#include <qgsvectorlayer.h>
Public Types | |
enum | EditType { LineEdit, UniqueValues, UniqueValuesEditable, ValueMap, Classification, EditRange, SliderRange, CheckBox, FileName, Enumeration, Immutable, Hidden, TextEdit, Calendar, DialRange } |
enum | VertexMarkerType { SemiTransparentCircle, Cross, NoMarker } |
Editing vertex markers. More... | |
Public Slots | |
void | select (int featureId, bool emitSignal=true) |
Select feature by its ID, optionally emit signal selectionChanged(). | |
void | deselect (int featureId, bool emitSignal=true) |
Deselect feature by its ID, optionally emit signal selectionChanged(). | |
void | removeSelection (bool emitSignal=true) |
Clear selection. | |
void | triggerRepaint () |
virtual void | updateExtents () |
Update the extents for the layer. | |
Signals | |
void | selectionChanged () |
This signal is emited when selection was changed. | |
void | layerModified (bool onlyGeometry) |
This signal is emitted when modifications has been done on layer. | |
void | editingStarted () |
void | editingStopped () |
void | attributeAdded (int idx) |
void | attributeDeleted (int idx) |
void | featureDeleted (int fid) |
void | layerDeleted () |
void | attributeValueChanged (int fid, int idx, const QVariant &) |
void | committedAttributesDeleted (const QString &layerId, const QgsAttributeIds &deletedAttributeIds) |
Signals emitted after committing changes. | |
void | committedAttributesAdded (const QString &layerId, const QList< QgsField > &addedAttributes) |
void | committedFeaturesAdded (const QString &layerId, const QgsFeatureList &addedFeatures) |
void | committedFeaturesRemoved (const QString &layerId, const QgsFeatureIds &deletedFeatureIds) |
void | committedAttributeValuesChanges (const QString &layerId, const QgsChangedAttributesMap &changedAttributesValues) |
void | committedGeometriesChanges (const QString &layerId, const QgsGeometryMap &changedGeometries) |
Public Member Functions | |
QgsVectorLayer (QString path=QString::null, QString baseName=QString::null, QString providerLib=QString::null, bool loadDefaultStyleFlag=true) | |
Constructor. | |
virtual | ~QgsVectorLayer () |
Destructor. | |
QString | storageType () const |
Returns the permanent storage type for this layer as a friendly name. | |
QString | capabilitiesString () const |
Capabilities for this layer in a friendly format. | |
QString | dataComment () const |
Returns a comment for the data in the layer. | |
void | setDisplayField (QString fldName="") |
Set the primary display field to be used in the identify results dialog. | |
const QString | displayField () const |
Returns the primary display field name used in the identify results dialog. | |
QgsVectorDataProvider * | dataProvider () |
Returns the data provider. | |
const QgsVectorDataProvider * | dataProvider () const |
Returns the data provider in a const-correct manner. | |
void | setProviderEncoding (const QString &encoding) |
Sets the textencoding of the data provider. | |
void | setCoordinateSystem () |
Setup the coordinate system tranformation for the layer. | |
QgsLabel * | label () |
Get the label object associated with this layer. | |
const QgsLabel * | label () const |
QgsAttributeAction * | actions () |
int | selectedFeatureCount () |
The number of features that are selected in this layer. | |
void | select (QgsRectangle &rect, bool lock) |
Select features found within the search rectangle (in layer's coordinates). | |
void | invertSelection () |
Select not selected features and deselect selected ones. | |
void | invertSelectionInRectangle (QgsRectangle &rect) |
Invert selection of features found within the search rectangle (in layer's coordinates). | |
QgsFeatureList | selectedFeatures () |
Get a copy of the user-selected features. | |
const QgsFeatureIds & | selectedFeaturesIds () const |
Return reference to identifiers of selected features. | |
void | setSelectedFeatures (const QgsFeatureIds &ids) |
Change selection to the new set of features. | |
QgsRectangle | boundingBoxOfSelected () |
Returns the bounding box of the selected features. | |
bool | copySymbologySettings (const QgsMapLayer &other) |
Copies the symbology settings from another layer. | |
bool | hasCompatibleSymbology (const QgsMapLayer &other) const |
Returns true if this layer can be in the same symbology group with another layer. | |
const QgsRenderer * | renderer () const |
Returns a pointer to the renderer. | |
void | setRenderer (QgsRenderer *r) |
Sets the renderer. | |
QgsFeatureRendererV2 * | rendererV2 () |
Return renderer V2. | |
void | setRendererV2 (QgsFeatureRendererV2 *r) |
Set renderer V2. | |
bool | isUsingRendererV2 () |
Return whether using renderer V2. | |
void | setUsingRendererV2 (bool usingRendererV2) |
set whether to use renderer V2 for drawing. | |
void | drawRendererV2 (QgsRenderContext &rendererContext, bool labeling) |
Draw layer with renderer V2. | |
void | drawRendererV2Levels (QgsRenderContext &rendererContext, bool labeling) |
Draw layer with renderer V2 using symbol levels. | |
QGis::GeometryType | geometryType () const |
Returns point, line or polygon. | |
QGis::WkbType | wkbType () const |
Returns the WKBType or WKBUnknown in case of error. | |
QString | providerType () const |
Return the provider type for this layer. | |
virtual bool | readXml (QDomNode &layer_node) |
reads vector layer specific state from project file Dom node. | |
virtual bool | writeXml (QDomNode &layer_node, QDomDocument &doc) |
write vector layer specific state to project file Dom node. | |
bool | readSymbology (const QDomNode &node, QString &errorMessage) |
Read the symbology for the current layer from the Dom node supplied. | |
bool | writeSymbology (QDomNode &node, QDomDocument &doc, QString &errorMessage) const |
Write the symbology for the layer into the docment provided. | |
virtual long | featureCount () const |
Number of features in the layer. | |
virtual long | updateFeatureCount () const |
This function does nothing useful, it's kept only for compatibility. | |
virtual bool | setSubsetString (QString subset) |
Set the string (typically sql) used to define a subset of the layer. | |
virtual QString | subsetString () |
Get the string (typically sql) used to define a subset of the layer. | |
void | select (QgsAttributeList fetchAttributes, QgsRectangle rect=QgsRectangle(), bool fetchGeometry=true, bool useIntersect=false) |
Select features with or without attributes in a given window. | |
bool | nextFeature (QgsFeature &feature) |
fetch a feature (after select) | |
bool | featureAtId (int featureId, QgsFeature &f, bool fetchGeometries=true, bool fetchAttributes=true) |
Gets the feature at the given feature id. | |
bool | addFeature (QgsFeature &f, bool alsoUpdateExtent=true) |
Adds a feature. | |
bool | insertVertex (double x, double y, int atFeatureId, int beforeVertex) |
Insert a new vertex before the given vertex number, in the given ring, item (first number is index 0), and feature Not meaningful for Point geometries. | |
bool | moveVertex (double x, double y, int atFeatureId, int atVertex) |
Moves the vertex at the given position number, ring and item (first number is index 0), and feature to the given coordinates. | |
bool | deleteVertex (int atFeatureId, int atVertex) |
Deletes a vertex from a feature. | |
bool | deleteSelectedFeatures () |
Deletes the selected features. | |
int | addRing (const QList< QgsPoint > &ring) |
Adds a ring to polygon/multipolygon features. | |
int | addIsland (const QList< QgsPoint > &ring) |
Adds a new island polygon to a multipolygon feature. | |
int | translateFeature (int featureId, double dx, double dy) |
Translates feature by dx, dy. | |
int | splitFeatures (const QList< QgsPoint > &splitLine, bool topologicalEditing=false) |
Splits features cut by the given line. | |
int | removePolygonIntersections (QgsGeometry *geom) |
Changes the specified geometry such that it has no intersections with other polygon (or multipolygon) geometries in this vector layer. | |
int | addTopologicalPoints (QgsGeometry *geom) |
Adds topological points for every vertex of the geometry. | |
int | addTopologicalPoints (const QgsPoint &p) |
Adds a vertex to segments which intersect point p but don't already have a vertex there. | |
int | insertSegmentVerticesForSnap (const QList< QgsSnappingResult > &snapResults) |
Inserts vertices to the snapped segments. | |
void | enableLabels (bool on) |
Set labels on. | |
bool | hasLabelsEnabled (void) const |
Label is on. | |
virtual bool | isEditable () const |
Returns true if the provider is in editing mode. | |
virtual bool | isReadOnly () const |
Returns true if the provider is in read-only mode. | |
virtual bool | isModified () const |
Returns true if the provider has been modified since the last commit. | |
bool | snapPoint (QgsPoint &point, double tolerance) |
Snaps a point to the closest vertex if there is one within the snapping tolerance. | |
int | snapWithContext (const QgsPoint &startPoint, double snappingTolerance, QMultiMap< double, QgsSnappingResult > &snappingResults, QgsSnapper::SnappingType snap_to) |
Snaps to segment or vertex within given tolerance. | |
virtual void | reload () |
Synchronises with changes in the datasource. | |
bool | draw (QgsRenderContext &rendererContext) |
Draws the layer. | |
void | drawLabels (QgsRenderContext &rendererContext) |
Draws the layer labels using coordinate transformation. | |
const QgsFieldMap & | pendingFields () const |
returns field list in the to-be-committed state | |
QgsAttributeList | pendingAllAttributesList () |
returns list of attributes | |
int | pendingFeatureCount () |
returns feature count after commit | |
bool | setReadOnly (bool readonly=true) |
Make layer read-only (editing disabled) or not. | |
void | setModified (bool modified=true, bool onlyGeometryWasModified=false) |
Sets whether some features are modified or not. | |
bool | startEditing () |
Make layer editable. | |
bool | changeGeometry (int fid, QgsGeometry *geom) |
change feature's geometry | |
bool | changeAttributeValue (int fid, int field, QVariant value, bool emitSignal=true) |
changed an attribute value (but does not commit it) | |
bool | addAttribute (const QgsField &field) |
add an attribute field (but does not commit it) returns true if the field was added | |
bool | addAttribute (QString name, QString type) |
add an attribute field (but does not commit it) returns true if the field was added | |
void | addAttributeAlias (int attIndex, QString aliasString) |
Sets an alias (a display name) for attributes to display in dialogs. | |
QString | attributeAlias (int attributeIndex) const |
Returns the alias of an attribute name or an empty string if there is no alias. | |
QString | attributeDisplayName (int attributeIndex) const |
Convenience function that returns the attribute alias if defined or the field name else. | |
bool | deleteAttribute (int attr) |
delete an attribute field (but does not commit it) | |
bool | addFeatures (QgsFeatureList features, bool makeSelected=true) |
Insert a copy of the given features into the layer (but does not commit it). | |
bool | deleteFeature (int fid) |
delete a feature from the layer (but does not commit it) | |
bool | commitChanges () |
Attempts to commit any changes to disk. | |
const QStringList & | commitErrors () |
bool | rollBack () |
Stop editing and discard the edits. | |
EditType | editType (int idx) |
get edit type | |
void | setEditType (int idx, EditType edit) |
set edit type | |
void | setCheckedState (int idx, QString checked, QString notChecked) |
set string representing 'true' for a checkbox (added in 1.4) | |
QPair< QString, QString > | checkedState (int idx) |
return string representing 'true' for a checkbox (added in 1.4) | |
QString | editForm () |
get edit form (added in 1.4) | |
void | setEditForm (QString ui) |
set edit form (added in 1.4) | |
QString | annotationForm () const |
get annotation form (added in 1.5) | |
void | setAnnotationForm (const QString &ui) |
set annotation form for layer (added in 1.5) | |
QString | editFormInit () |
get python function for edit form initialization (added in 1.4) | |
void | setEditFormInit (QString function) |
set python function for edit form initialization (added in 1.4) | |
QMap< QString, QVariant > & | valueMap (int idx) |
access value map | |
RangeData & | range (int idx) |
access range | |
void | addOverlay (QgsVectorOverlay *overlay) |
Adds a new overlay to this class. | |
void | removeOverlay (const QString &typeName) |
Removes all overlays of a given type. | |
void | vectorOverlays (QList< QgsVectorOverlay * > &overlayList) |
Returns pointers to the overlays of this layer. | |
QgsVectorOverlay * | findOverlayByType (const QString &typeName) |
Returns the (first) overlay of a type, e.g. | |
void | beginEditCommand (QString text) |
Create edit command for undo/redo operations. | |
void | endEditCommand () |
Finish edit command and add it to undo/redo stack. | |
void | destroyEditCommand () |
Destroy active command and reverts all changes in it. | |
void | undoEditCommand (QgsUndoCommand *cmd) |
Execute undo operation. | |
void | redoEditCommand (QgsUndoCommand *cmd) |
Execute redo operation. | |
int | fieldNameIndex (const QString &fieldName) const |
Returns the index of a field name or -1 if the field does not exist. | |
Static Public Member Functions | |
static void | drawVertexMarker (double x, double y, QPainter &p, QgsVectorLayer::VertexMarkerType type, int vertexSize) |
Draws a vertex symbol at (screen) coordinates x, y. | |
Private Member Functions | |
QgsVectorLayer (QgsVectorLayer const &rhs) | |
vector layers are not copyable | |
QgsVectorLayer & | operator= (QgsVectorLayer const &rhs) |
vector layers are not copyable | |
bool | setDataProvider (QString const &provider) |
bind layer to a specific data provider | |
void | drawFeature (QgsRenderContext &renderContext, QgsFeature &fet, QImage *marker) |
Draws features. | |
void | transformPoint (double &x, double &y, const QgsMapToPixel *mtp, const QgsCoordinateTransform *ct) |
Convenience function to transform the given point. | |
void | transformPoints (std::vector< double > &x, std::vector< double > &y, std::vector< double > &z, QgsRenderContext &renderContext) |
unsigned char * | drawLineString (unsigned char *WKBlinestring, QgsRenderContext &renderContext) |
Draw the linestring as given in the WKB format. | |
unsigned char * | drawPolygon (unsigned char *WKBpolygon, QgsRenderContext &renderContext) |
Draw the polygon as given in the WKB format. | |
int | findFreeId () |
Goes through all features and finds a free id (e.g. | |
void | deleteCachedGeometries () |
Deletes the geometries in mCachedGeometries. | |
void | snapToGeometry (const QgsPoint &startPoint, int featureId, QgsGeometry *geom, double sqrSnappingTolerance, QMultiMap< double, QgsSnappingResult > &snappingResults, QgsSnapper::SnappingType snap_to) const |
Snaps to a geometry and adds the result to the multimap if it is within the snapping result. | |
int | boundingBoxFromPointList (const QList< QgsPoint > &list, double &xmin, double &ymin, double &xmax, double &ymax) const |
Little helper function that gives bounding box from a list of points. | |
void | updateFeatureAttributes (QgsFeature &f, bool all=false) |
Update feature with uncommited attribute updates. | |
void | updateFeatureGeometry (QgsFeature &f) |
Update feature with uncommited geometry updates. | |
void | editGeometryChange (int featureId, QgsGeometry &geometry) |
Record changed geometry, store in active command (if any). | |
void | editFeatureAdd (QgsFeature &feature) |
Record added feature, store in active command (if any). | |
void | editFeatureDelete (int featureId) |
Record deleted feature, store in active command (if any). | |
void | editAttributeChange (int featureId, int field, QVariant value) |
Record changed attribute, store in active command (if any). | |
void | stopRendererV2 (QgsRenderContext &rendererContext, QgsSingleSymbolRendererV2 *selRenderer) |
Stop version 2 renderer and selected renderer (if required). | |
Static Private Member Functions | |
static QgsVectorLayer::VertexMarkerType | currentVertexMarkerType () |
Reads vertex marker type from settings. | |
static int | currentVertexMarkerSize () |
Reads vertex marker size from settings. | |
Private Attributes | |
int | mUpdateThreshold |
Update threshold for drawing features as they are read. | |
QgsVectorDataProvider * | mDataProvider |
Pointer to data provider derived from the abastract base class QgsDataProvider. | |
QString | mDisplayField |
index of the primary label field | |
QString | mProviderKey |
Data provider key. | |
QgsAttributeAction * | mActions |
The user-defined actions that are accessed from the Identify Results dialog box. | |
bool | mEditable |
Flag indicating whether the layer is in editing mode or not. | |
bool | mReadOnly |
Flag indicating whether the layer is in read-only mode (editing disabled) or not. | |
bool | mModified |
Flag indicating whether the layer has been modified since the last commit. | |
QgsGeometryMap | mCachedGeometries |
cache of the committed geometries retrieved *for the current display* | |
QgsRectangle | mCachedGeometriesRect |
extent for which there are cached geometries | |
QgsFeatureIds | mSelectedFeatureIds |
Set holding the feature IDs that are activated. | |
QgsFeatureIds | mDeletedFeatureIds |
Deleted feature IDs which are not commited. | |
QgsFeatureList | mAddedFeatures |
New features which are not commited. | |
QgsChangedAttributesMap | mChangedAttributeValues |
Changed attributes values which are not commited. | |
QgsAttributeIds | mDeletedAttributeIds |
deleted attributes fields which are not commited | |
QgsAttributeIds | mAddedAttributeIds |
added attributes fields which are not commited | |
QgsGeometryMap | mChangedGeometries |
Changed geometries which are not commited. | |
QgsFieldMap | mUpdatedFields |
field map to commit | |
QMap< int, QString > | mAttributeAliasMap |
Map that stores the aliases for attributes. | |
int | mMaxUpdatedIndex |
max field index | |
int | mWkbType |
Geometry type as defined in enum WkbType (qgis.h). | |
QgsUndoCommand * | mActiveCommand |
QgsRenderer * | mRenderer |
Renderer object which holds the information about how to display the features. | |
QgsFeatureRendererV2 * | mRendererV2 |
Renderer V2. | |
bool | mUsingRendererV2 |
whether to use V1 or V2 renderer | |
QgsLabel * | mLabel |
Label. | |
bool | mLabelOn |
Display labels. | |
QgsVectorLayer::VertexMarkerType | mCurrentVertexMarkerType |
The current type of editing marker. | |
int | mCurrentVertexMarkerSize |
The current size of editing marker. | |
bool | mVertexMarkerOnlyForSelection |
Flag if the vertex markers should be drawn only for selection (true) or for all features (false). | |
QList< QgsVectorOverlay * > | mOverlays |
List of overlays. | |
QStringList | mCommitErrors |
QMap< QString, EditType > | mEditTypes |
QMap< QString, QMap< QString, QVariant > > | mValueMaps |
QMap< QString, RangeData > | mRanges |
QMap< QString, QPair< QString, QString > > | mCheckedStates |
QString | mEditForm |
QString | mEditFormInit |
QString | mAnnotationForm |
bool | mFetching |
QgsRectangle | mFetchRect |
QgsAttributeList | mFetchAttributes |
QgsAttributeList | mFetchProvAttributes |
bool | mFetchGeometry |
QSet< int > | mFetchConsidered |
QgsGeometryMap::iterator | mFetchChangedGeomIt |
QgsFeatureList::iterator | mFetchAddedFeaturesIt |
Classes | |
struct | RangeData |
Definition at line 61 of file qgsvectorlayer.h.
LineEdit | |
UniqueValues | |
UniqueValuesEditable | |
ValueMap | |
Classification | |
EditRange | |
SliderRange | |
CheckBox | |
FileName | |
Enumeration | |
Immutable | |
Hidden | |
TextEdit | |
Calendar | |
DialRange |
Definition at line 66 of file qgsvectorlayer.h.
Editing vertex markers.
Definition at line 586 of file qgsvectorlayer.h.
QgsVectorLayer::QgsVectorLayer | ( | QString | path = QString::null , |
|
QString | baseName = QString::null , |
|||
QString | providerLib = QString::null , |
|||
bool | loadDefaultStyleFlag = true | |||
) |
Constructor.
Definition at line 94 of file qgsvectorlayer.cpp.
References QgsFeatureRendererV2::defaultRenderer(), geometryType(), QgsMapLayer::loadDefaultStyle(), mActions, mProviderKey, mUsingRendererV2, QgsMapLayer::mValid, QGis::NoGeometry, renderer(), setCoordinateSystem(), setDataProvider(), setRenderer(), setRendererV2(), and setUsingRendererV2().
QgsVectorLayer::~QgsVectorLayer | ( | ) | [virtual] |
Destructor.
Definition at line 170 of file qgsvectorlayer.cpp.
References deleteCachedGeometries(), layerDeleted(), mActions, mDataProvider, mLabel, mOverlays, mRenderer, QgsMapLayer::mValid, and QgsDebugMsg.
QgsVectorLayer::QgsVectorLayer | ( | QgsVectorLayer const & | rhs | ) | [private] |
vector layers are not copyable
QString QgsVectorLayer::storageType | ( | ) | const |
Returns the permanent storage type for this layer as a friendly name.
Definition at line 201 of file qgsvectorlayer.cpp.
References mDataProvider, and QgsVectorDataProvider::storageType().
QString QgsVectorLayer::capabilitiesString | ( | ) | const |
Capabilities for this layer in a friendly format.
Definition at line 211 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::capabilitiesString(), and mDataProvider.
QString QgsVectorLayer::dataComment | ( | ) | const |
Returns a comment for the data in the layer.
Definition at line 220 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::dataComment(), and mDataProvider.
void QgsVectorLayer::setDisplayField | ( | QString | fldName = "" |
) |
Set the primary display field to be used in the identify results dialog.
sets the preferred display field based on some fuzzy logic
Definition at line 238 of file qgsvectorlayer.cpp.
References geometryType(), mDisplayField, QGis::NoGeometry, pendingFields(), and QgsDebugMsg.
Referenced by readSymbology(), and setDataProvider().
const QString QgsVectorLayer::displayField | ( | ) | const |
Returns the primary display field name used in the identify results dialog.
Definition at line 4205 of file qgsvectorlayer.cpp.
References mDisplayField.
Referenced by writeSymbology().
QgsVectorDataProvider * QgsVectorLayer::dataProvider | ( | ) |
Returns the data provider.
Definition at line 1267 of file qgsvectorlayer.cpp.
References mDataProvider.
Referenced by QgsGeometryAnalyzer::buffer(), QgsZonalStatistics::calculateStatistics(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsAttributeEditor::createAttributeEditor(), QgsGraduatedSymbolRendererV2::createRenderer(), QgsGeometryAnalyzer::dissolve(), QgsGeometryAnalyzer::extent(), QgsOverlayAnalyzer::intersection(), nextFeature(), QgsUniqueValueRenderer::readXML(), QgsGraduatedSymbolRenderer::readXML(), QgsContinuousColorRenderer::readXML(), QgsGeometryAnalyzer::simplify(), QgsProjectFileTransform::transform0110to1000(), QgsUniqueValueRenderer::writeXML(), QgsGraduatedSymbolRenderer::writeXML(), and QgsContinuousColorRenderer::writeXML().
const QgsVectorDataProvider * QgsVectorLayer::dataProvider | ( | ) | const |
Returns the data provider in a const-correct manner.
Definition at line 1272 of file qgsvectorlayer.cpp.
References mDataProvider.
void QgsVectorLayer::setProviderEncoding | ( | const QString & | encoding | ) |
Sets the textencoding of the data provider.
Definition at line 1277 of file qgsvectorlayer.cpp.
References mDataProvider, and QgsVectorDataProvider::setEncoding().
void QgsVectorLayer::setCoordinateSystem | ( | ) |
Setup the coordinate system tranformation for the layer.
Definition at line 4143 of file qgsvectorlayer.cpp.
References QgsCoordinateReferenceSystem::createFromProj4(), QgsDataProvider::crs(), geometryType(), GEOPROJ4, QgsCoordinateReferenceSystem::isValid(), QgsMapLayer::mCRS, mDataProvider, QgsMapLayer::name(), QGis::NoGeometry, QgsDebugMsg, QgsCoordinateReferenceSystem::setValidationHint(), and QgsCoordinateReferenceSystem::validate().
Referenced by QgsVectorLayer().
QgsLabel * QgsVectorLayer::label | ( | ) |
Get the label object associated with this layer.
Definition at line 2456 of file qgsvectorlayer.cpp.
References mLabel.
Referenced by QgsQuickPrint::scaleTextLabels().
const QgsLabel * QgsVectorLayer::label | ( | ) | const |
QgsAttributeAction* QgsVectorLayer::actions | ( | ) | [inline] |
Definition at line 135 of file qgsvectorlayer.h.
int QgsVectorLayer::selectedFeatureCount | ( | ) |
The number of features that are selected in this layer.
Definition at line 3626 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds.
Referenced by QgsMapCanvas::zoomToSelected().
void QgsVectorLayer::select | ( | QgsRectangle & | rect, | |
bool | lock | |||
) |
Select features found within the search rectangle (in layer's coordinates).
Definition at line 1169 of file qgsvectorlayer.cpp.
References QgsFeature::id(), nextFeature(), QgsRectangle::normalize(), removeSelection(), selectionChanged(), and QgsMapLayer::setCacheImage().
Referenced by addRing(), boundingBoxOfSelected(), QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsGeometryAnalyzer::dissolve(), draw(), drawLabels(), QgsComposerAttributeTable::getFeatureAttributes(), QgsOverlayAnalyzer::intersection(), invertSelection(), invertSelectionInRectangle(), removePolygonIntersections(), QgsFormAnnotationItem::setFeatureForMapPosition(), QgsGeometryAnalyzer::simplify(), snapWithContext(), splitFeatures(), updateExtents(), and QgsVectorFileWriter::writeAsVectorFormat().
void QgsVectorLayer::invertSelection | ( | ) |
Select not selected features and deselect selected ones.
Definition at line 1194 of file qgsvectorlayer.cpp.
References QgsFeature::id(), mSelectedFeatureIds, nextFeature(), removeSelection(), select(), selectionChanged(), and QgsMapLayer::setCacheImage().
void QgsVectorLayer::invertSelectionInRectangle | ( | QgsRectangle & | rect | ) |
Invert selection of features found within the search rectangle (in layer's coordinates).
Definition at line 1220 of file qgsvectorlayer.cpp.
References deselect(), QgsFeature::id(), mSelectedFeatureIds, nextFeature(), QgsRectangle::normalize(), select(), selectionChanged(), and QgsMapLayer::setCacheImage().
QgsFeatureList QgsVectorLayer::selectedFeatures | ( | ) |
Get a copy of the user-selected features.
Definition at line 3637 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::attributeIndexes(), QgsVectorDataProvider::featureAtId(), mAddedFeatures, mDataProvider, mSelectedFeatureIds, updateFeatureAttributes(), and updateFeatureGeometry().
Referenced by splitFeatures().
const QgsFeatureIds & QgsVectorLayer::selectedFeaturesIds | ( | ) | const |
Return reference to identifiers of selected features.
Definition at line 3631 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds.
Referenced by QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsGeometryAnalyzer::dissolve(), QgsOverlayAnalyzer::intersection(), QgsGeometryAnalyzer::simplify(), splitFeatures(), and QgsVectorFileWriter::writeAsVectorFormat().
void QgsVectorLayer::setSelectedFeatures | ( | const QgsFeatureIds & | ids | ) |
Change selection to the new set of features.
Definition at line 3615 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds, selectionChanged(), and QgsMapLayer::setCacheImage().
QgsRectangle QgsVectorLayer::boundingBoxOfSelected | ( | ) |
Returns the bounding box of the selected features.
If there is no selection, QgsRectangle(0,0,0,0) is returned
Definition at line 1359 of file qgsvectorlayer.cpp.
References QgsGeometry::boundingBox(), QgsRectangle::combineExtentWith(), QgsFeature::geometry(), QgsRectangle::height(), QgsFeature::id(), mSelectedFeatureIds, nextFeature(), select(), QgsRectangle::set(), QgsRectangle::setMinimal(), QgsRectangle::width(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().
Referenced by QgsGeometryAnalyzer::extent(), and QgsMapCanvas::zoomToSelected().
bool QgsVectorLayer::copySymbologySettings | ( | const QgsMapLayer & | other | ) | [virtual] |
Copies the symbology settings from another layer.
Returns true in case of success
Implements QgsMapLayer.
Definition at line 3726 of file qgsvectorlayer.cpp.
References QgsRenderer::clone(), geometryType(), mRenderer, and QGis::NoGeometry.
bool QgsVectorLayer::hasCompatibleSymbology | ( | const QgsMapLayer & | other | ) | const [virtual] |
Returns true if this layer can be in the same symbology group with another layer.
Implements QgsMapLayer.
Definition at line 3757 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::fields(), mDataProvider, QgsMapLayer::name(), and QgsMapLayer::type().
const QgsRenderer * QgsVectorLayer::renderer | ( | ) | const |
Returns a pointer to the renderer.
Definition at line 1286 of file qgsvectorlayer.cpp.
References mRenderer.
Referenced by QgsLegendModel::addVectorLayerItems(), QgsAttributeEditor::createAttributeEditor(), QgsQuickPrint::printMap(), QgsVectorLayer(), readSymbology(), QgsSymbologyV2Conversion::rendererV1toV2(), QgsQuickPrint::scalePointSymbols(), and writeSymbology().
void QgsVectorLayer::setRenderer | ( | QgsRenderer * | r | ) |
Sets the renderer.
If a renderer is already present, it is deleted
Definition at line 1291 of file qgsvectorlayer.cpp.
References geometryType(), mRenderer, and QGis::NoGeometry.
Referenced by QgsVectorLayer(), QgsUniqueValueRenderer::readXML(), QgsSingleSymbolRenderer::readXML(), QgsGraduatedSymbolRenderer::readXML(), QgsContinuousColorRenderer::readXML(), QgsSymbologyV2Conversion::rendererV1toV2(), and QgsSymbologyV2Conversion::rendererV2toV1().
QgsFeatureRendererV2 * QgsVectorLayer::rendererV2 | ( | ) |
Return renderer V2.
Definition at line 4349 of file qgsvectorlayer.cpp.
References mRendererV2.
Referenced by QgsLegendModel::addVectorLayerItemsV2(), QgsAttributeEditor::createAttributeEditor(), and QgsSymbologyV2Conversion::rendererV2toV1().
void QgsVectorLayer::setRendererV2 | ( | QgsFeatureRendererV2 * | r | ) |
Set renderer V2.
Definition at line 4353 of file qgsvectorlayer.cpp.
References geometryType(), mRendererV2, and QGis::NoGeometry.
Referenced by QgsVectorLayer(), readSymbology(), QgsSymbologyV2Conversion::rendererV1toV2(), and QgsSymbologyV2Conversion::rendererV2toV1().
bool QgsVectorLayer::isUsingRendererV2 | ( | ) |
Return whether using renderer V2.
Definition at line 4361 of file qgsvectorlayer.cpp.
References mUsingRendererV2.
Referenced by QgsLegendModel::addLayer(), QgsSymbologyV2Conversion::rendererV1toV2(), QgsSymbologyV2Conversion::rendererV2toV1(), and QgsLegendModel::updateLayer().
void QgsVectorLayer::setUsingRendererV2 | ( | bool | usingRendererV2 | ) |
set whether to use renderer V2 for drawing.
Definition at line 4365 of file qgsvectorlayer.cpp.
References geometryType(), mUsingRendererV2, and QGis::NoGeometry.
Referenced by QgsVectorLayer(), readSymbology(), QgsSymbologyV2Conversion::rendererV1toV2(), and QgsSymbologyV2Conversion::rendererV2toV1().
void QgsVectorLayer::drawRendererV2 | ( | QgsRenderContext & | rendererContext, | |
bool | labeling | |||
) |
Draw layer with renderer V2.
Definition at line 709 of file qgsvectorlayer.cpp.
References featureCount(), QgsFeature::geometry(), geometryType(), QgsFeature::id(), QgsRenderContext::labelingEngine(), mCachedGeometries, mEditable, mRendererV2, mSelectedFeatureIds, mUpdateThreshold, nextFeature(), QGis::NoGeometry, QgsDebugMsg, QgsLabelingEngineInterface::registerFeature(), QgsFeatureRendererV2::renderFeature(), QgsRenderContext::renderingStopped(), QgsMapLayer::screenUpdateRequested(), QgsFeatureRendererV2::startRender(), QgsFeatureRendererV2::symbolForFeature(), QgsFeature::typeName(), and QgsException::what().
Referenced by draw().
void QgsVectorLayer::drawRendererV2Levels | ( | QgsRenderContext & | rendererContext, | |
bool | labeling | |||
) |
Draw layer with renderer V2 using symbol levels.
Definition at line 774 of file qgsvectorlayer.cpp.
References currentVertexMarkerSize(), currentVertexMarkerType(), QgsSymbolV2::defaultSymbol(), featureCount(), QgsFeature::geometry(), geometryType(), QgsFeature::id(), QgsRenderContext::labelingEngine(), QgsSymbolV2LevelItem::layer(), mCachedGeometries, mEditable, mRendererV2, mSelectedFeatureIds, nextFeature(), QGis::NoGeometry, QgsDebugMsg, QgsLabelingEngineInterface::registerFeature(), QgsFeatureRendererV2::renderFeature(), QgsSymbolLayerV2::renderingPass(), QgsRenderContext::renderingStopped(), QgsRenderer::selectionColor(), QgsSymbolV2::setColor(), QgsFeatureRendererV2::setVertexMarkerAppearance(), QgsSingleSymbolRendererV2::startRender(), QgsFeatureRendererV2::startRender(), stopRendererV2(), QgsSymbolV2LevelItem::symbol(), QgsSingleSymbolRendererV2::symbol(), QgsFeatureRendererV2::symbolForFeature(), QgsSymbolV2::symbolLayer(), QgsSymbolV2::symbolLayerCount(), QgsFeatureRendererV2::symbols(), QgsFeature::typeName(), and QgsException::what().
Referenced by draw().
QGis::GeometryType QgsVectorLayer::geometryType | ( | ) | const |
Returns point, line or polygon.
Definition at line 1303 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::geometryType(), QGis::Line, mDataProvider, QGis::NoGeometry, QGis::Point, QGis::Polygon, QgsDebugMsg, QgsMapLayer::type(), QGis::UnknownGeometry, QGis::WKBLineString, QGis::WKBLineString25D, QGis::WKBMultiLineString, QGis::WKBMultiLineString25D, QGis::WKBMultiPoint, QGis::WKBMultiPoint25D, QGis::WKBMultiPolygon, QGis::WKBMultiPolygon25D, QGis::WKBNoGeometry, QGis::WKBPoint, QGis::WKBPoint25D, QGis::WKBPolygon, and QGis::WKBPolygon25D.
Referenced by addIsland(), QgsPALObjectPositionManager::addLayer(), addRing(), addTopologicalPoints(), QgsZonalStatistics::calculateStatistics(), changeGeometry(), copySymbologySettings(), deleteVertex(), draw(), drawLabels(), drawRendererV2(), drawRendererV2Levels(), insertSegmentVerticesForSnap(), insertVertex(), moveVertex(), QgsVectorLayer(), readSymbology(), QgsUniqueValueRenderer::readXML(), QgsSingleSymbolRenderer::readXML(), QgsGraduatedSymbolRenderer::readXML(), QgsContinuousColorRenderer::readXML(), readXml(), removePolygonIntersections(), QgsSymbologyV2Conversion::rendererV1toV2(), QgsSymbologyV2Conversion::rendererV2toV1(), setCoordinateSystem(), setDisplayField(), setRenderer(), setRendererV2(), setUsingRendererV2(), snapPoint(), snapToGeometry(), snapWithContext(), splitFeatures(), translateFeature(), updateExtents(), writeSymbology(), and writeXml().
QGis::WkbType QgsVectorLayer::wkbType | ( | ) | const |
Returns the WKBType or WKBUnknown in case of error.
Definition at line 1354 of file qgsvectorlayer.cpp.
References mWkbType.
Referenced by addTopologicalPoints(), drawFeature(), drawLineString(), drawPolygon(), and QgsVectorFileWriter::writeAsVectorFormat().
QString QgsVectorLayer::providerType | ( | ) | const |
Return the provider type for this layer.
Definition at line 230 of file qgsvectorlayer.cpp.
References mProviderKey.
Referenced by QgsMapLayer::saveNamedStyle(), writeXml(), and QgsMapLayer::writeXML().
bool QgsVectorLayer::readXml | ( | QDomNode & | layer_node | ) | [virtual] |
reads vector layer specific state from project file Dom node.
Reimplemented from QgsMapLayer.
Definition at line 2515 of file qgsvectorlayer.cpp.
References geometryType(), mDataProvider, QgsMapLayer::mDataSource, mProviderKey, QgsMapLayer::mValid, QGis::NoGeometry, QgsDebugMsg, readSymbology(), setDataProvider(), and QgsVectorDataProvider::setEncoding().
bool QgsVectorLayer::writeXml | ( | QDomNode & | layer_node, | |
QDomDocument & | doc | |||
) | [virtual] |
write vector layer specific state to project file Dom node.
Reimplemented from QgsMapLayer.
Definition at line 2682 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::encoding(), geometryType(), mDataProvider, providerType(), QGis::qgisVectorGeometryType, QgsDebugMsg, and writeSymbology().
bool QgsVectorLayer::readSymbology | ( | const QDomNode & | node, | |
QString & | errorMessage | |||
) | [virtual] |
Read the symbology for the current layer from the Dom node supplied.
node | node that will contain the symbology definition for this layer. | |
errorMessage | reference to string that will be updated with any error messages |
Implements QgsMapLayer.
Definition at line 2715 of file qgsvectorlayer.cpp.
References CheckBox, EditRange, editType(), enableLabels(), geometryType(), hasLabelsEnabled(), QgsProject::instance(), QgsFeatureRendererV2::load(), mActions, mAnnotationForm, mAttributeAliasMap, MathUtils::max(), mCheckedStates, mEditForm, mEditFormInit, mEditTypes, MathUtils::min(), mLabel, mRanges, mRenderer, mValueMaps, QgsMapLayer::name(), QGis::NoGeometry, QgsDebugMsg, QgsProject::readPath(), QgsAttributeAction::readXML(), QgsLabel::readXML(), QgsRenderer::readXML(), renderer(), RENDERER_TAG_NAME, setDisplayField(), QgsLabel::setMaxScale(), QgsLabel::setMinScale(), setRendererV2(), QgsLabel::setScaleBasedVisibility(), setUsingRendererV2(), SliderRange, and ValueMap.
Referenced by readXml().
bool QgsVectorLayer::writeSymbology | ( | QDomNode & | node, | |
QDomDocument & | doc, | |||
QString & | errorMessage | |||
) | const [virtual] |
Write the symbology for the layer into the docment provided.
node | the node that will have the style element added to it. | |
doc | the document that will have the QDomNode added. | |
errorMessage | reference to string that will be updated with any error messages |
Implements QgsMapLayer.
Definition at line 2908 of file qgsvectorlayer.cpp.
References CheckBox, QgsRenderer::classificationAttributes(), displayField(), EditRange, QgsVectorDataProvider::fields(), geometryType(), hasLabelsEnabled(), QgsProject::instance(), QgsLabel::labelField(), mActions, mAnnotationForm, mAttributeAliasMap, QgsLabel::maxScale(), mCheckedStates, mDataProvider, mEditForm, mEditFormInit, mEditTypes, QgsLabel::minScale(), mLabel, mOverlays, mRanges, mRenderer, mRendererV2, mUsingRendererV2, mValueMaps, QgsMapLayer::name(), QGis::NoGeometry, QgsDebugMsg, renderer(), QgsFeatureRendererV2::save(), QgsLabel::scaleBasedVisibility(), SliderRange, QgsLabel::Text, ValueMap, QgsAttributeAction::writeXML(), QgsLabel::writeXML(), and QgsRenderer::writeXML().
Referenced by writeXml().
long QgsVectorLayer::featureCount | ( | ) | const [virtual] |
Number of features in the layer.
This is necessary if features are added/deleted or the layer has been subsetted. If the data provider chooses not to support this feature, the total number of features can be returned.
Definition at line 1404 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::featureCount(), mDataProvider, and QgsDebugMsg.
Referenced by QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsGeometryAnalyzer::dissolve(), draw(), drawLabels(), drawRendererV2(), drawRendererV2Levels(), QgsOverlayAnalyzer::intersection(), and QgsGeometryAnalyzer::simplify().
long QgsVectorLayer::updateFeatureCount | ( | ) | const [virtual] |
This function does nothing useful, it's kept only for compatibility.
Definition at line 1415 of file qgsvectorlayer.cpp.
bool QgsVectorLayer::setSubsetString | ( | QString | subset | ) | [virtual] |
Set the string (typically sql) used to define a subset of the layer.
subset | The subset string. This may be the where clause of a sql statement or other defintion string specific to the underlying dataprovider and data store. |
Definition at line 1481 of file qgsvectorlayer.cpp.
References QgsDataProvider::dataSourceUri(), mDataProvider, QgsMapLayer::mDataSource, QgsDebugMsg, QgsMapLayer::setCacheImage(), QgsDataProvider::setSubsetString(), and updateExtents().
QString QgsVectorLayer::subsetString | ( | ) | [virtual] |
Get the string (typically sql) used to define a subset of the layer.
Definition at line 1471 of file qgsvectorlayer.cpp.
References mDataProvider, QgsDebugMsg, and QgsDataProvider::subsetString().
void QgsVectorLayer::select | ( | QgsAttributeList | fetchAttributes, | |
QgsRectangle | rect = QgsRectangle() , |
|||
bool | fetchGeometry = true , |
|||
bool | useIntersect = false | |||
) |
Select features with or without attributes in a given window.
fetchAttributes | indizes of attributes to fetch | |
rect | window (QgsRectangle() for all) | |
fetchGeometry | fetch features with geometry | |
useIntersect | fetch only features that actually intersect the window (not just the bounding box) |
Definition at line 1533 of file qgsvectorlayer.cpp.
References mAddedAttributeIds, mAddedFeatures, mChangedGeometries, mDataProvider, mDeletedFeatureIds, mEditable, mFetchAddedFeaturesIt, mFetchAttributes, mFetchChangedGeomIt, mFetchConsidered, mFetchGeometry, mFetching, mFetchProvAttributes, mFetchRect, mUpdatedFields, and QgsVectorDataProvider::select().
bool QgsVectorLayer::nextFeature | ( | QgsFeature & | feature | ) |
fetch a feature (after select)
feature | buffer to read the feature into |
Definition at line 1577 of file qgsvectorlayer.cpp.
References QgsFeature::attributeMap(), dataProvider(), QgsVectorDataProvider::featureAtId(), QgsFeature::id(), QgsRectangle::isEmpty(), mAddedFeatures, mChangedGeometries, mDataProvider, mEditable, mFetchAddedFeaturesIt, mFetchAttributes, mFetchChangedGeomIt, mFetchConsidered, mFetchGeometry, mFetching, mFetchProvAttributes, mFetchRect, QgsDebugMsg, QgsFeature::setAttributeMap(), QgsFeature::setFeatureId(), QgsFeature::setGeometry(), QgsFeature::setValid(), and updateFeatureAttributes().
Referenced by addRing(), boundingBoxOfSelected(), QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsGeometryAnalyzer::dissolve(), draw(), drawLabels(), drawRendererV2(), drawRendererV2Levels(), QgsComposerAttributeTable::getFeatureAttributes(), QgsOverlayAnalyzer::intersection(), invertSelection(), invertSelectionInRectangle(), removePolygonIntersections(), select(), QgsFormAnnotationItem::setFeatureForMapPosition(), QgsGeometryAnalyzer::simplify(), snapWithContext(), splitFeatures(), updateExtents(), and QgsVectorFileWriter::writeAsVectorFormat().
bool QgsVectorLayer::featureAtId | ( | int | featureId, | |
QgsFeature & | f, | |||
bool | fetchGeometries = true , |
|||
bool | fetchAttributes = true | |||
) |
Gets the feature at the given feature id.
Considers the changed, added, deleted and permanent features
Definition at line 1694 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::attributeIndexes(), QgsFeature::attributeMap(), QgsVectorDataProvider::featureAtId(), QgsFeature::id(), mAddedFeatures, mChangedGeometries, mDataProvider, mDeletedFeatureIds, QgsDebugMsg, QgsFeature::setAttributeMap(), QgsFeature::setFeatureId(), QgsFeature::setGeometry(), QgsFeature::setValid(), and updateFeatureAttributes().
Referenced by addIsland(), QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsFormAnnotationItem::createDesignerWidget(), QgsGeometryAnalyzer::dissolve(), QgsOverlayAnalyzer::intersectFeature(), QgsOverlayAnalyzer::intersection(), redoEditCommand(), and QgsGeometryAnalyzer::simplify().
bool QgsVectorLayer::addFeature | ( | QgsFeature & | f, | |
bool | alsoUpdateExtent = true | |||
) |
Adds a feature.
f | feature to add | |
alsoUpdateExtent | If True, will also go to the effort of e.g. updating the extents. |
Definition at line 1776 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::AddFeatures, QgsVectorDataProvider::capabilities(), editFeatureAdd(), QgsFeature::geometry(), QgsFeature::id(), isEditable(), mCachedGeometries, mDataProvider, QgsDebugMsg, QgsFeature::setFeatureId(), setModified(), and updateExtents().
Referenced by addFeatures().
bool QgsVectorLayer::insertVertex | ( | double | x, | |
double | y, | |||
int | atFeatureId, | |||
int | beforeVertex | |||
) |
Insert a new vertex before the given vertex number, in the given ring, item (first number is index 0), and feature Not meaningful for Point geometries.
Definition at line 1820 of file qgsvectorlayer.cpp.
References editGeometryChange(), geometryType(), QgsGeometry::insertVertex(), mCachedGeometries, mChangedGeometries, mDataProvider, mEditable, QGis::NoGeometry, and setModified().
Referenced by insertSegmentVerticesForSnap().
bool QgsVectorLayer::moveVertex | ( | double | x, | |
double | y, | |||
int | atFeatureId, | |||
int | atVertex | |||
) |
Moves the vertex at the given position number, ring and item (first number is index 0), and feature to the given coordinates.
Definition at line 1859 of file qgsvectorlayer.cpp.
References editGeometryChange(), geometryType(), mCachedGeometries, mChangedGeometries, mDataProvider, mEditable, QgsGeometry::moveVertex(), QGis::NoGeometry, and setModified().
bool QgsVectorLayer::deleteVertex | ( | int | atFeatureId, | |
int | atVertex | |||
) |
Deletes a vertex from a feature.
Definition at line 1899 of file qgsvectorlayer.cpp.
References QgsGeometry::deleteVertex(), editGeometryChange(), geometryType(), mCachedGeometries, mChangedGeometries, mDataProvider, mEditable, QGis::NoGeometry, and setModified().
bool QgsVectorLayer::deleteSelectedFeatures | ( | ) |
Deletes the selected features.
Definition at line 1941 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::capabilities(), deleteFeature(), QgsVectorDataProvider::DeleteFeatures, isEditable(), mDataProvider, mSelectedFeatureIds, selectionChanged(), QgsMapLayer::setCacheImage(), triggerRepaint(), and updateExtents().
int QgsVectorLayer::addRing | ( | const QList< QgsPoint > & | ring | ) |
Adds a ring to polygon/multipolygon features.
Definition at line 1973 of file qgsvectorlayer.cpp.
References QgsGeometry::addRing(), boundingBoxFromPointList(), editGeometryChange(), QgsFeature::geometry(), geometryType(), QgsFeature::id(), nextFeature(), QGis::NoGeometry, select(), setModified(), QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), and QgsRectangle::setYMinimum().
int QgsVectorLayer::addIsland | ( | const QList< QgsPoint > & | ring | ) |
Adds a new island polygon to a multipolygon feature.
Definition at line 2010 of file qgsvectorlayer.cpp.
References QgsGeometry::addIsland(), editGeometryChange(), featureAtId(), QgsFeature::geometryAndOwnership(), geometryType(), mAddedFeatures, mCachedGeometries, mChangedGeometries, mSelectedFeatureIds, QGis::NoGeometry, QgsDebugMsg, and setModified().
int QgsVectorLayer::translateFeature | ( | int | featureId, | |
double | dx, | |||
double | dy | |||
) |
Translates feature by dx, dy.
featureId | id of the feature to translate | |
dx | translation of x-coordinate | |
dy | translation of y-coordinate |
Definition at line 2087 of file qgsvectorlayer.cpp.
References editGeometryChange(), QgsVectorDataProvider::featureAtId(), QgsFeature::geometry(), geometryType(), mAddedFeatures, mCachedGeometries, mChangedGeometries, mDataProvider, QGis::NoGeometry, setModified(), and QgsGeometry::translate().
int QgsVectorLayer::splitFeatures | ( | const QList< QgsPoint > & | splitLine, | |
bool | topologicalEditing = false | |||
) |
Splits features cut by the given line.
splitLine | line that splits the layer features | |
topologicalEditing | true if topological editing is enabled |
Definition at line 2145 of file qgsvectorlayer.cpp.
References addFeatures(), addTopologicalPoints(), boundingBoxFromPointList(), editGeometryChange(), geometryType(), QgsRectangle::height(), QgsRectangle::isEmpty(), mCachedGeometries, nextFeature(), QGis::NoGeometry, pendingAllAttributesList(), select(), selectedFeatures(), selectedFeaturesIds(), QgsFeature::setAttributeMap(), QgsFeature::setGeometry(), setModified(), QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), QgsRectangle::setYMinimum(), QgsRectangle::width(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().
int QgsVectorLayer::removePolygonIntersections | ( | QgsGeometry * | geom | ) |
Changes the specified geometry such that it has no intersections with other polygon (or multipolygon) geometries in this vector layer.
geom | geometry to modify |
Definition at line 2257 of file qgsvectorlayer.cpp.
References QgsGeometry::boundingBox(), QgsFeature::geometry(), geometryType(), QgsGeometry::makeDifference(), nextFeature(), QGis::NoGeometry, QGis::Polygon, select(), and QgsGeometry::type().
Referenced by QgsGeometry::avoidIntersections().
int QgsVectorLayer::addTopologicalPoints | ( | QgsGeometry * | geom | ) |
Adds topological points for every vertex of the geometry.
geom | the geometry where each vertex is added to segments of other features Note: geom is not going to be modified by the function |
Definition at line 2292 of file qgsvectorlayer.cpp.
References QgsGeometry::asMultiPolygon(), QgsGeometry::asMultiPolyline(), QgsGeometry::asPolygon(), QgsGeometry::asPolyline(), geometryType(), QGis::NoGeometry, QGis::WKBLineString, QGis::WKBLineString25D, QGis::WKBMultiLineString, QGis::WKBMultiLineString25D, QGis::WKBMultiPolygon, QGis::WKBMultiPolygon25D, QGis::WKBPolygon, QGis::WKBPolygon25D, QgsGeometry::wkbType(), and wkbType().
Referenced by splitFeatures().
int QgsVectorLayer::addTopologicalPoints | ( | const QgsPoint & | p | ) |
Adds a vertex to segments which intersect point p but don't already have a vertex there.
If a feature already has a vertex at position p, no additional vertex is inserted. This method is useful for topological editing.
p | position of the vertex |
Definition at line 2399 of file qgsvectorlayer.cpp.
References QGis::Feet, geometryType(), insertSegmentVerticesForSnap(), QgsCoordinateReferenceSystem::mapUnits(), QgsMapLayer::mCRS, QGis::Meters, QGis::NoGeometry, QgsSnapper::SnapToSegment, QgsSnapper::SnapToVertex, and snapWithContext().
int QgsVectorLayer::insertSegmentVerticesForSnap | ( | const QList< QgsSnappingResult > & | snapResults | ) |
Inserts vertices to the snapped segments.
This is useful for topological editing if snap to segment is enabled.
snapResults | results collected from the snapping operation |
Definition at line 3930 of file qgsvectorlayer.cpp.
References geometryType(), insertVertex(), QGis::NoGeometry, QgsPoint::x(), and QgsPoint::y().
Referenced by addTopologicalPoints().
void QgsVectorLayer::enableLabels | ( | bool | on | ) |
Set labels on.
Definition at line 2466 of file qgsvectorlayer.cpp.
References mLabelOn.
Referenced by readSymbology().
bool QgsVectorLayer::hasLabelsEnabled | ( | void | ) | const |
Label is on.
Definition at line 2471 of file qgsvectorlayer.cpp.
References mLabelOn.
Referenced by readSymbology(), and writeSymbology().
bool QgsVectorLayer::isEditable | ( | ) | const [virtual] |
Returns true if the provider is in editing mode.
Reimplemented from QgsMapLayer.
Definition at line 4210 of file qgsvectorlayer.cpp.
References mDataProvider, and mEditable.
Referenced by addAttribute(), addFeature(), addFeatures(), changeAttributeValue(), commitChanges(), deleteAttribute(), deleteFeature(), deleteSelectedFeatures(), QgsMapCanvas::mouseReleaseEvent(), pendingAllAttributesList(), pendingFields(), QgsMapRenderer::render(), and rollBack().
bool QgsVectorLayer::isReadOnly | ( | ) | const [virtual] |
Returns true if the provider is in read-only mode.
Definition at line 4215 of file qgsvectorlayer.cpp.
References mReadOnly.
bool QgsVectorLayer::isModified | ( | ) | const [virtual] |
Returns true if the provider has been modified since the last commit.
Definition at line 4230 of file qgsvectorlayer.cpp.
References mModified.
Referenced by rollBack().
bool QgsVectorLayer::snapPoint | ( | QgsPoint & | point, | |
double | tolerance | |||
) |
Snaps a point to the closest vertex if there is one within the snapping tolerance.
point | The point which is set to the position of a vertex if there is one within the snapping tolerance. If there is no point within this tolerance, point is left unchanged. | |
tolerance | The snapping tolerance |
Definition at line 3794 of file qgsvectorlayer.cpp.
References geometryType(), QGis::NoGeometry, QgsPoint::setX(), QgsPoint::setY(), QgsSnapper::SnapToVertex, and snapWithContext().
int QgsVectorLayer::snapWithContext | ( | const QgsPoint & | startPoint, | |
double | snappingTolerance, | |||
QMultiMap< double, QgsSnappingResult > & | snappingResults, | |||
QgsSnapper::SnappingType | snap_to | |||
) |
Snaps to segment or vertex within given tolerance.
startPoint | point to snap (in layer coordinates) | |
snappingTolerance | distance tolerance for snapping | |
snappingResults | snapping results. Key is the distance between startPoint and snapping target | |
snap_to | to segment / to vertex |
Definition at line 3819 of file qgsvectorlayer.cpp.
References QgsGeometry::boundingBox(), QgsRectangle::contains(), QgsFeature::geometry(), geometryType(), QgsFeature::id(), QgsRectangle::intersects(), mCachedGeometries, mCachedGeometriesRect, mDataProvider, nextFeature(), QGis::NoGeometry, QgsDebugMsg, select(), snapToGeometry(), QgsPoint::x(), and QgsPoint::y().
Referenced by addTopologicalPoints(), and snapPoint().
void QgsVectorLayer::reload | ( | ) | [virtual] |
Synchronises with changes in the datasource.
Reimplemented from QgsMapLayer.
Definition at line 906 of file qgsvectorlayer.cpp.
References mDataProvider, and QgsDataProvider::reloadData().
bool QgsVectorLayer::draw | ( | QgsRenderContext & | rendererContext | ) | [virtual] |
Draws the layer.
Reimplemented from QgsMapLayer.
Definition at line 914 of file qgsvectorlayer.cpp.
References QgsRenderer::classificationAttributes(), currentVertexMarkerSize(), currentVertexMarkerType(), deleteCachedGeometries(), drawFeature(), drawRendererV2(), drawRendererV2Levels(), QgsFeatureRendererV2::dump(), QgsRenderContext::extent(), featureCount(), fieldNameIndex(), QgsFeature::geometry(), geometryType(), QgsFeature::id(), QgsRenderContext::labelingEngine(), mCachedGeometries, mCachedGeometriesRect, mCurrentVertexMarkerSize, mCurrentVertexMarkerType, mEditable, mRenderer, mRendererV2, mSelectedFeatureIds, QgsMapLayer::mTransparencyLevel, mUpdateThreshold, mUsingRendererV2, mVertexMarkerOnlyForSelection, nextFeature(), QGis::NoGeometry, NoMarker, QgsLabelingEngineInterface::prepareLayer(), QgsDebugMsg, QgsLabelingEngineInterface::registerFeature(), QgsRenderer::renderFeature(), QgsRenderContext::renderingStopped(), QgsMapLayer::screenUpdateRequested(), select(), QgsFeatureRendererV2::setVertexMarkerAppearance(), QgsFeature::typeName(), QgsFeatureRendererV2::usedAttributes(), QgsRenderer::usesTransparency(), QgsFeatureRendererV2::usingSymbolLevels(), QgsException::what(), and QgsRenderer::willRenderFeature().
void QgsVectorLayer::drawLabels | ( | QgsRenderContext & | rendererContext | ) | [virtual] |
Draws the layer labels using coordinate transformation.
Reimplemented from QgsMapLayer.
Definition at line 318 of file qgsvectorlayer.cpp.
References QgsLabel::addRequiredFields(), QgsRenderer::classificationAttributes(), QgsRenderContext::extent(), featureCount(), fieldNameIndex(), geometryType(), QgsLabel::maxScale(), QgsLabel::minScale(), mLabel, mLabelOn, mRenderer, mRendererV2, mSelectedFeatureIds, nextFeature(), QGis::NoGeometry, QgsDebugMsg, QgsRenderContext::rendererScale(), QgsLabel::renderLabel(), QgsLabel::scaleBasedVisibility(), select(), QgsFeatureRendererV2::startRender(), QgsFeatureRendererV2::stopRender(), QgsFeatureRendererV2::symbolForFeature(), QgsFeatureRendererV2::usedAttributes(), and QgsRenderer::willRenderFeature().
const QgsFieldMap & QgsVectorLayer::pendingFields | ( | ) | const |
returns field list in the to-be-committed state
Definition at line 3238 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::fields(), isEditable(), mDataProvider, and mUpdatedFields.
Referenced by QgsLegendModel::addVectorLayerItems(), QgsSymbol::appendField(), attributeDisplayName(), checkedState(), QgsAttributeEditor::createAttributeEditor(), QgsFormAnnotationItem::createDesignerWidget(), editType(), QgsAttributeAction::expandAction(), fieldNameIndex(), QgsComposerAttributeTable::getHeaderLabels(), QgsComposerAttributeTable::initializeAliasMap(), range(), QgsSymbol::readFieldName(), QgsSymbologyV2Conversion::rendererV1toV2(), QgsAttributeEditor::retrieveValue(), setCheckedState(), setDisplayField(), setEditType(), QgsAttributeEditor::setValue(), QgsRuleBasedRendererV2::startRender(), valueMap(), QgsVectorFileWriter::writeAsVectorFormat(), and QgsGraduatedSymbolRenderer::writeXML().
QgsAttributeList QgsVectorLayer::pendingAllAttributesList | ( | ) |
returns list of attributes
Definition at line 3243 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::attributeIndexes(), isEditable(), mDataProvider, and mUpdatedFields.
Referenced by QgsGeometryAnalyzer::buffer(), QgsGeometryAnalyzer::centroids(), QgsGeometryAnalyzer::convexHull(), QgsGeometryAnalyzer::dissolve(), QgsComposerAttributeTable::getFeatureAttributes(), QgsOverlayAnalyzer::intersection(), QgsGeometryAnalyzer::simplify(), splitFeatures(), and QgsVectorFileWriter::writeAsVectorFormat().
int QgsVectorLayer::pendingFeatureCount | ( | ) |
returns feature count after commit
Definition at line 3248 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::featureCount(), mAddedFeatures, mDataProvider, and mDeletedFeatureIds.
bool QgsVectorLayer::setReadOnly | ( | bool | readonly = true |
) |
Make layer read-only (editing disabled) or not.
Definition at line 4220 of file qgsvectorlayer.cpp.
void QgsVectorLayer::setModified | ( | bool | modified = true , |
|
bool | onlyGeometryWasModified = false | |||
) |
Sets whether some features are modified or not.
Definition at line 4235 of file qgsvectorlayer.cpp.
References layerModified(), and mModified.
Referenced by addAttribute(), addFeature(), addIsland(), addRing(), changeAttributeValue(), changeGeometry(), commitChanges(), deleteAttribute(), deleteFeature(), deleteVertex(), insertVertex(), moveVertex(), redoEditCommand(), rollBack(), splitFeatures(), translateFeature(), and undoEditCommand().
bool QgsVectorLayer::startEditing | ( | ) |
Make layer editable.
Definition at line 2476 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::capabilities(), QgsVectorDataProvider::EditingCapabilities, editingStarted(), QgsVectorDataProvider::fields(), mDataProvider, mEditable, mMaxUpdatedIndex, mReadOnly, and mUpdatedFields.
bool QgsVectorLayer::changeGeometry | ( | int | fid, | |
QgsGeometry * | geom | |||
) |
change feature's geometry
Definition at line 3088 of file qgsvectorlayer.cpp.
References editGeometryChange(), geometryType(), mCachedGeometries, mDataProvider, mEditable, QGis::NoGeometry, and setModified().
bool QgsVectorLayer::changeAttributeValue | ( | int | fid, | |
int | field, | |||
QVariant | value, | |||
bool | emitSignal = true | |||
) |
changed an attribute value (but does not commit it)
Definition at line 3102 of file qgsvectorlayer.cpp.
References attributeValueChanged(), editAttributeChange(), isEditable(), and setModified().
bool QgsVectorLayer::addAttribute | ( | const QgsField & | field | ) |
add an attribute field (but does not commit it) returns true if the field was added
Definition at line 3116 of file qgsvectorlayer.cpp.
References attributeAdded(), isEditable(), mActiveCommand, mAddedAttributeIds, mDataProvider, mMaxUpdatedIndex, mUpdatedFields, QgsField::name(), setModified(), QgsUndoCommand::storeAttributeAdd(), and QgsVectorDataProvider::supportedType().
Referenced by addAttribute().
bool QgsVectorLayer::addAttribute | ( | QString | name, | |
QString | type | |||
) |
add an attribute field (but does not commit it) returns true if the field was added
Definition at line 3147 of file qgsvectorlayer.cpp.
References addAttribute(), mDataProvider, and QgsVectorDataProvider::supportedNativeTypes().
void QgsVectorLayer::addAttributeAlias | ( | int | attIndex, | |
QString | aliasString | |||
) |
Sets an alias (a display name) for attributes to display in dialogs.
Definition at line 3157 of file qgsvectorlayer.cpp.
References layerModified(), and mAttributeAliasMap.
QString QgsVectorLayer::attributeAlias | ( | int | attributeIndex | ) | const |
Returns the alias of an attribute name or an empty string if there is no alias.
Definition at line 3163 of file qgsvectorlayer.cpp.
References mAttributeAliasMap.
Referenced by attributeDisplayName(), and QgsComposerAttributeTable::initializeAliasMap().
QString QgsVectorLayer::attributeDisplayName | ( | int | attributeIndex | ) | const |
Convenience function that returns the attribute alias if defined or the field name else.
Definition at line 3176 of file qgsvectorlayer.cpp.
References attributeAlias(), and pendingFields().
Referenced by QgsLegendModel::addVectorLayerItems(), and QgsAttributeAction::expandAction().
bool QgsVectorLayer::deleteAttribute | ( | int | attr | ) |
delete an attribute field (but does not commit it)
Definition at line 3191 of file qgsvectorlayer.cpp.
References attributeDeleted(), QgsVectorDataProvider::fields(), isEditable(), mActiveCommand, mAddedAttributeIds, mAttributeAliasMap, mDataProvider, mDeletedAttributeIds, mUpdatedFields, setModified(), and QgsUndoCommand::storeAttributeDelete().
bool QgsVectorLayer::addFeatures | ( | QgsFeatureList | features, | |
bool | makeSelected = true | |||
) |
Insert a copy of the given features into the layer (but does not commit it).
Definition at line 3680 of file qgsvectorlayer.cpp.
References addFeature(), QgsVectorDataProvider::AddFeatures, QgsVectorDataProvider::capabilities(), isEditable(), mDataProvider, mSelectedFeatureIds, selectionChanged(), QgsMapLayer::setCacheImage(), and updateExtents().
Referenced by splitFeatures().
bool QgsVectorLayer::deleteFeature | ( | int | fid | ) |
delete a feature from the layer (but does not commit it)
Definition at line 3220 of file qgsvectorlayer.cpp.
References editFeatureDelete(), featureDeleted(), isEditable(), mDeletedFeatureIds, mSelectedFeatureIds, and setModified().
Referenced by deleteSelectedFeatures().
bool QgsVectorLayer::commitChanges | ( | ) |
Attempts to commit any changes to disk.
Returns the result of the attempt. If a commit fails, the in-memory changes are left alone.
This allows editing to continue if the commit failed on e.g. a disallowed value in a Postgres database - the user can re-edit and try again.
The commits occur in distinct stages, (add attributes, add features, change attribute values, change geometries, delete features, delete attributes) so if a stage fails, it's difficult to roll back cleanly. Therefore any error message also includes which stage failed so that the user has some chance of repairing the damage cleanly.
Definition at line 3255 of file qgsvectorlayer.cpp.
References QgsVectorDataProvider::addAttributes(), QgsVectorDataProvider::AddAttributes, QgsVectorDataProvider::addFeatures(), QgsVectorDataProvider::AddFeatures, QgsVectorDataProvider::capabilities(), QgsVectorDataProvider::changeAttributeValues(), QgsVectorDataProvider::ChangeAttributeValues, QgsVectorDataProvider::ChangeGeometries, QgsVectorDataProvider::changeGeometryValues(), committedAttributesAdded(), committedAttributesDeleted(), committedAttributeValuesChanges(), committedFeaturesAdded(), committedFeaturesRemoved(), committedGeometriesChanges(), QgsVectorDataProvider::deleteAttributes(), QgsVectorDataProvider::DeleteAttributes, deleteCachedGeometries(), QgsVectorDataProvider::deleteFeatures(), QgsVectorDataProvider::DeleteFeatures, editingStopped(), QgsVectorDataProvider::fields(), QgsMapLayer::getLayerID(), QgsFeature::id(), isEditable(), mAddedAttributeIds, mAddedFeatures, mChangedAttributeValues, mChangedGeometries, mCommitErrors, mDataProvider, mDeletedAttributeIds, mDeletedFeatureIds, mEditable, mMaxUpdatedIndex, mUpdatedFields, QgsMapLayer::name(), QgsDebugMsg, QgsMapLayer::setCacheImage(), QgsFeature::setGeometry(), setModified(), triggerRepaint(), QgsMapLayer::undoStack(), and QgsDataProvider::updateExtents().
const QStringList & QgsVectorLayer::commitErrors | ( | ) |
bool QgsVectorLayer::rollBack | ( | ) |
Stop editing and discard the edits.
Definition at line 3557 of file qgsvectorlayer.cpp.
References attributeAdded(), attributeDeleted(), deleteCachedGeometries(), editingStopped(), isEditable(), isModified(), mAddedAttributeIds, mAddedFeatures, mChangedAttributeValues, mChangedGeometries, mDeletedAttributeIds, mDeletedFeatureIds, mEditable, mMaxUpdatedIndex, mUpdatedFields, QgsMapLayer::setCacheImage(), setModified(), triggerRepaint(), and QgsMapLayer::undoStack().
QgsVectorLayer::EditType QgsVectorLayer::editType | ( | int | idx | ) |
get edit type
Definition at line 4241 of file qgsvectorlayer.cpp.
References LineEdit, mEditTypes, QgsMapLayer::name(), and pendingFields().
Referenced by QgsAttributeEditor::createAttributeEditor(), readSymbology(), QgsAttributeEditor::retrieveValue(), and QgsAttributeEditor::setValue().
void QgsVectorLayer::setEditType | ( | int | idx, | |
EditType | edit | |||
) |
set edit type
Definition at line 4250 of file qgsvectorlayer.cpp.
References mEditTypes, QgsMapLayer::name(), and pendingFields().
void QgsVectorLayer::setCheckedState | ( | int | idx, | |
QString | checked, | |||
QString | notChecked | |||
) |
set string representing 'true' for a checkbox (added in 1.4)
Definition at line 4691 of file qgsvectorlayer.cpp.
References mCheckedStates, QgsMapLayer::name(), and pendingFields().
QPair< QString, QString > QgsVectorLayer::checkedState | ( | int | idx | ) |
return string representing 'true' for a checkbox (added in 1.4)
Definition at line 4698 of file qgsvectorlayer.cpp.
References mCheckedStates, QgsMapLayer::name(), and pendingFields().
Referenced by QgsAttributeEditor::retrieveValue(), and QgsAttributeEditor::setValue().
QString QgsVectorLayer::editForm | ( | ) |
get edit form (added in 1.4)
Definition at line 4257 of file qgsvectorlayer.cpp.
References mEditForm.
void QgsVectorLayer::setEditForm | ( | QString | ui | ) |
set edit form (added in 1.4)
Definition at line 4262 of file qgsvectorlayer.cpp.
References mEditForm.
QString QgsVectorLayer::annotationForm | ( | ) | const [inline] |
get annotation form (added in 1.5)
Definition at line 523 of file qgsvectorlayer.h.
Referenced by QgsFormAnnotationItem::QgsFormAnnotationItem().
void QgsVectorLayer::setAnnotationForm | ( | const QString & | ui | ) |
set annotation form for layer (added in 1.5)
Definition at line 4267 of file qgsvectorlayer.cpp.
References mAnnotationForm.
QString QgsVectorLayer::editFormInit | ( | ) |
get python function for edit form initialization (added in 1.4)
Definition at line 4272 of file qgsvectorlayer.cpp.
References mEditFormInit.
void QgsVectorLayer::setEditFormInit | ( | QString | function | ) |
set python function for edit form initialization (added in 1.4)
Definition at line 4277 of file qgsvectorlayer.cpp.
References mEditFormInit.
QMap< QString, QVariant > & QgsVectorLayer::valueMap | ( | int | idx | ) |
access value map
Definition at line 4282 of file qgsvectorlayer.cpp.
References mValueMaps, pendingFields(), and QgsDebugMsg.
Referenced by QgsAttributeEditor::createAttributeEditor().
QgsVectorLayer::RangeData & QgsVectorLayer::range | ( | int | idx | ) |
access range
Definition at line 4298 of file qgsvectorlayer.cpp.
References mRanges, pendingFields(), and QgsDebugMsg.
Referenced by QgsAttributeEditor::createAttributeEditor().
void QgsVectorLayer::addOverlay | ( | QgsVectorOverlay * | overlay | ) |
Adds a new overlay to this class.
QgsVectorLayer takes ownership of the object
Definition at line 4314 of file qgsvectorlayer.cpp.
References mOverlays.
void QgsVectorLayer::removeOverlay | ( | const QString & | typeName | ) |
Removes all overlays of a given type.
Definition at line 4319 of file qgsvectorlayer.cpp.
References mOverlays.
void QgsVectorLayer::vectorOverlays | ( | QList< QgsVectorOverlay * > & | overlayList | ) |
Returns pointers to the overlays of this layer.
Definition at line 4330 of file qgsvectorlayer.cpp.
References mOverlays.
Referenced by QgsMapRenderer::render().
QgsVectorOverlay * QgsVectorLayer::findOverlayByType | ( | const QString & | typeName | ) |
Returns the (first) overlay of a type, e.g.
diagram or label
Definition at line 4335 of file qgsvectorlayer.cpp.
References mOverlays.
void QgsVectorLayer::beginEditCommand | ( | QString | text | ) |
Create edit command for undo/redo operations.
text | text which is to be displayed in undo window |
Definition at line 4456 of file qgsvectorlayer.cpp.
References mActiveCommand.
void QgsVectorLayer::endEditCommand | ( | ) |
Finish edit command and add it to undo/redo stack.
Definition at line 4464 of file qgsvectorlayer.cpp.
References mActiveCommand, and QgsMapLayer::undoStack().
void QgsVectorLayer::destroyEditCommand | ( | ) |
Destroy active command and reverts all changes in it.
Definition at line 4474 of file qgsvectorlayer.cpp.
References mActiveCommand, and undoEditCommand().
void QgsVectorLayer::undoEditCommand | ( | QgsUndoCommand * | cmd | ) |
Execute undo operation.
To be called only from QgsVectorLayerUndoCommand.
Definition at line 4587 of file qgsvectorlayer.cpp.
References attributeValueChanged(), mAddedAttributeIds, QgsUndoCommand::mAddedAttributes, mAddedFeatures, QgsUndoCommand::mAddedFeatures, QgsUndoCommand::mAttributeChange, mChangedAttributeValues, mChangedGeometries, mDeletedAttributeIds, QgsUndoCommand::mDeletedAttributes, QgsUndoCommand::mDeletedFeatureIdChange, mDeletedFeatureIds, QgsUndoCommand::mGeometryChange, mUpdatedFields, setModified(), and triggerRepaint().
Referenced by destroyEditCommand(), and QgsUndoCommand::undo().
void QgsVectorLayer::redoEditCommand | ( | QgsUndoCommand * | cmd | ) |
Execute redo operation.
To be called only from QgsVectorLayerUndoCommand.
Definition at line 4485 of file qgsvectorlayer.cpp.
References QgsFeature::changeAttribute(), featureAtId(), mAddedAttributeIds, QgsUndoCommand::mAddedAttributes, mAddedFeatures, QgsUndoCommand::mAddedFeatures, QgsUndoCommand::mAttributeChange, mChangedAttributeValues, mChangedGeometries, mDeletedAttributeIds, QgsUndoCommand::mDeletedAttributes, QgsUndoCommand::mDeletedFeatureIdChange, mDeletedFeatureIds, QgsUndoCommand::mGeometryChange, mUpdatedFields, setModified(), and triggerRepaint().
Referenced by QgsUndoCommand::redo().
int QgsVectorLayer::fieldNameIndex | ( | const QString & | fieldName | ) | const |
Returns the index of a field name or -1 if the field does not exist.
Definition at line 4707 of file qgsvectorlayer.cpp.
References pendingFields().
Referenced by QgsGraduatedSymbolRendererV2::createRenderer(), draw(), drawLabels(), QgsPalLabeling::prepareLayer(), QgsSymbologyV2Conversion::rendererV2toV1(), QgsSingleSymbolRendererV2::startRender(), QgsGraduatedSymbolRendererV2::startRender(), and QgsCategorizedSymbolRendererV2::startRender().
void QgsVectorLayer::drawVertexMarker | ( | double | x, | |
double | y, | |||
QPainter & | p, | |||
QgsVectorLayer::VertexMarkerType | type, | |||
int | vertexSize | |||
) | [static] |
Draws a vertex symbol at (screen) coordinates x, y.
(Useful to assist vertex editing.)
Definition at line 1127 of file qgsvectorlayer.cpp.
References Cross, and SemiTransparentCircle.
Referenced by drawLineString(), drawPolygon(), and QgsFeatureRendererV2::renderVertexMarker().
void QgsVectorLayer::select | ( | int | featureId, | |
bool | emitSignal = true | |||
) | [slot] |
Select feature by its ID, optionally emit signal selectionChanged().
Definition at line 1143 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds, selectionChanged(), and QgsMapLayer::setCacheImage().
void QgsVectorLayer::deselect | ( | int | featureId, | |
bool | emitSignal = true | |||
) | [slot] |
Deselect feature by its ID, optionally emit signal selectionChanged().
Definition at line 1156 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds, selectionChanged(), and QgsMapLayer::setCacheImage().
Referenced by invertSelectionInRectangle().
void QgsVectorLayer::removeSelection | ( | bool | emitSignal = true |
) | [slot] |
Clear selection.
Definition at line 1246 of file qgsvectorlayer.cpp.
References mSelectedFeatureIds, selectionChanged(), and QgsMapLayer::setCacheImage().
Referenced by invertSelection(), and select().
void QgsVectorLayer::triggerRepaint | ( | ) | [slot] |
Definition at line 1262 of file qgsvectorlayer.cpp.
References QgsMapLayer::repaintRequested().
Referenced by commitChanges(), deleteSelectedFeatures(), redoEditCommand(), rollBack(), and undoEditCommand().
void QgsVectorLayer::updateExtents | ( | ) | [virtual, slot] |
Update the extents for the layer.
This is necessary if features are added/deleted or the layer has been subsetted.
Definition at line 1420 of file qgsvectorlayer.cpp.
References QgsGeometry::boundingBox(), QgsRectangle::combineExtentWith(), QgsDataProvider::extent(), QgsVectorDataProvider::featureCount(), QgsFeature::geometry(), geometryType(), mAddedFeatures, mChangedGeometries, mDataProvider, mDeletedFeatureIds, QgsMapLayer::mLayerExtent, nextFeature(), QGis::NoGeometry, QgsDebugMsg, QgsMapLayer::recalculateExtents(), select(), QgsRectangle::setMinimal(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().
Referenced by addFeature(), addFeatures(), deleteSelectedFeatures(), setDataProvider(), and setSubsetString().
void QgsVectorLayer::selectionChanged | ( | ) | [signal] |
This signal is emited when selection was changed.
Referenced by addFeatures(), deleteSelectedFeatures(), deselect(), invertSelection(), invertSelectionInRectangle(), removeSelection(), select(), and setSelectedFeatures().
void QgsVectorLayer::layerModified | ( | bool | onlyGeometry | ) | [signal] |
This signal is emitted when modifications has been done on layer.
Referenced by addAttributeAlias(), and setModified().
void QgsVectorLayer::editingStarted | ( | ) | [signal] |
Referenced by startEditing().
void QgsVectorLayer::editingStopped | ( | ) | [signal] |
Referenced by commitChanges(), and rollBack().
void QgsVectorLayer::attributeAdded | ( | int | idx | ) | [signal] |
Referenced by addAttribute(), and rollBack().
void QgsVectorLayer::attributeDeleted | ( | int | idx | ) | [signal] |
Referenced by deleteAttribute(), and rollBack().
void QgsVectorLayer::featureDeleted | ( | int | fid | ) | [signal] |
Referenced by deleteFeature().
void QgsVectorLayer::layerDeleted | ( | ) | [signal] |
Referenced by ~QgsVectorLayer().
void QgsVectorLayer::attributeValueChanged | ( | int | fid, | |
int | idx, | |||
const QVariant & | ||||
) | [signal] |
Referenced by changeAttributeValue(), and undoEditCommand().
void QgsVectorLayer::committedAttributesDeleted | ( | const QString & | layerId, | |
const QgsAttributeIds & | deletedAttributeIds | |||
) | [signal] |
void QgsVectorLayer::committedAttributesAdded | ( | const QString & | layerId, | |
const QList< QgsField > & | addedAttributes | |||
) | [signal] |
Referenced by commitChanges().
void QgsVectorLayer::committedFeaturesAdded | ( | const QString & | layerId, | |
const QgsFeatureList & | addedFeatures | |||
) | [signal] |
Referenced by commitChanges().
void QgsVectorLayer::committedFeaturesRemoved | ( | const QString & | layerId, | |
const QgsFeatureIds & | deletedFeatureIds | |||
) | [signal] |
Referenced by commitChanges().
void QgsVectorLayer::committedAttributeValuesChanges | ( | const QString & | layerId, | |
const QgsChangedAttributesMap & | changedAttributesValues | |||
) | [signal] |
Referenced by commitChanges().
void QgsVectorLayer::committedGeometriesChanges | ( | const QString & | layerId, | |
const QgsGeometryMap & | changedGeometries | |||
) | [signal] |
Referenced by commitChanges().
QgsVectorLayer& QgsVectorLayer::operator= | ( | QgsVectorLayer const & | rhs | ) | [private] |
vector layers are not copyable
bool QgsVectorLayer::setDataProvider | ( | QString const & | provider | ) | [private] |
bind layer to a specific data provider
provider | should be "postgres", "ogr", or ?? |
Definition at line 2577 of file qgsvectorlayer.cpp.
References QgsDataProvider::dataSourceUri(), QgsDataProvider::extent(), QgsVectorDataProvider::fields(), QgsVectorDataProvider::geometryType(), QgsProviderRegistry::getProvider(), QgsMapLayerRegistry::instance(), QgsProviderRegistry::instance(), QgsDataProvider::isValid(), QgsMapLayerRegistry::mapLayers(), mDataProvider, QgsMapLayer::mDataSource, mLabel, mLabelOn, QgsMapLayer::mLayerExtent, mProviderKey, QgsMapLayer::mValid, mWkbType, QgsMapLayer::name(), QgsDebugMsg, setDisplayField(), QgsMapLayer::setLayerName(), QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), QgsRectangle::setYMinimum(), QgsRectangle::toString(), updateExtents(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().
Referenced by QgsVectorLayer(), and readXml().
void QgsVectorLayer::drawFeature | ( | QgsRenderContext & | renderContext, | |
QgsFeature & | fet, | |||
QImage * | marker | |||
) | [private] |
Draws features.
May cause projections exceptions to be generated (i.e., code that calls this function needs to catch them)
Definition at line 4012 of file qgsvectorlayer.cpp.
References QgsGeometry::asWkb(), QgsRenderContext::coordinateTransform(), drawLineString(), drawPolygon(), QgsFeature::geometry(), QgsFeature::isValid(), QgsRenderContext::mapToPixel(), QgsClipper::MAX_X, QgsClipper::MAX_Y, QgsRenderContext::painter(), QgsDebugMsg, QgsRenderContext::rasterScaleFactor(), transformPoint(), QGis::WKBLineString, QGis::WKBLineString25D, QGis::WKBMultiLineString, QGis::WKBMultiLineString25D, QGis::WKBMultiPoint, QGis::WKBMultiPoint25D, QGis::WKBMultiPolygon, QGis::WKBMultiPolygon25D, QGis::WKBPoint, QGis::WKBPoint25D, QGis::WKBPolygon, QGis::WKBPolygon25D, QgsGeometry::wkbType(), and wkbType().
Referenced by draw().
void QgsVectorLayer::transformPoint | ( | double & | x, | |
double & | y, | |||
const QgsMapToPixel * | mtp, | |||
const QgsCoordinateTransform * | ct | |||
) | [inline, private] |
Convenience function to transform the given point.
Definition at line 4174 of file qgsvectorlayer.cpp.
References QgsMapToPixel::transformInPlace(), and QgsCoordinateTransform::transformInPlace().
Referenced by drawFeature().
void QgsVectorLayer::transformPoints | ( | std::vector< double > & | x, | |
std::vector< double > & | y, | |||
std::vector< double > & | z, | |||
QgsRenderContext & | renderContext | |||
) | [inline, private] |
Definition at line 4191 of file qgsvectorlayer.cpp.
References QgsRenderContext::coordinateTransform(), QgsRenderContext::mapToPixel(), QgsMapToPixel::transformInPlace(), and QgsCoordinateTransform::transformInPlace().
Referenced by drawLineString(), and drawPolygon().
unsigned char * QgsVectorLayer::drawLineString | ( | unsigned char * | WKBlinestring, | |
QgsRenderContext & | renderContext | |||
) | [private] |
Draw the linestring as given in the WKB format.
Returns a pointer to the byte after the end of the line string binary data stream (WKB).
Definition at line 392 of file qgsvectorlayer.cpp.
References QgsRenderContext::drawEditingInformation(), drawVertexMarker(), QgsClipper::MAX_X, QgsClipper::MAX_Y, mCurrentVertexMarkerSize, mCurrentVertexMarkerType, mEditable, mRenderer, QgsMapLayer::mTransparencyLevel, QgsRenderContext::painter(), transformPoints(), QgsClipper::trimFeature(), QgsRenderer::usesTransparency(), QGis::WKBLineString25D, and wkbType().
Referenced by drawFeature().
unsigned char * QgsVectorLayer::drawPolygon | ( | unsigned char * | WKBpolygon, | |
QgsRenderContext & | renderContext | |||
) | [private] |
Draw the polygon as given in the WKB format.
Returns a pointer to the byte after the end of the polygon binary data stream (WKB).
Definition at line 485 of file qgsvectorlayer.cpp.
References QgsRenderContext::drawEditingInformation(), drawVertexMarker(), MathUtils::max(), QgsClipper::MAX_X, QgsClipper::MAX_Y, mCurrentVertexMarkerSize, mCurrentVertexMarkerType, mEditable, MathUtils::min(), mRenderer, QgsMapLayer::mTransparencyLevel, QgsRenderContext::painter(), QgsDebugMsg, transformPoints(), QgsClipper::trimFeature(), QgsRenderer::usesTransparency(), QGis::WKBPolygon25D, and wkbType().
Referenced by drawFeature().
int QgsVectorLayer::findFreeId | ( | ) | [private] |
Goes through all features and finds a free id (e.g.
to give it temporarily to a not-commited feature)
void QgsVectorLayer::deleteCachedGeometries | ( | ) | [private] |
Deletes the geometries in mCachedGeometries.
Definition at line 1120 of file qgsvectorlayer.cpp.
References mCachedGeometries, and mCachedGeometriesRect.
Referenced by commitChanges(), draw(), rollBack(), and ~QgsVectorLayer().
void QgsVectorLayer::snapToGeometry | ( | const QgsPoint & | startPoint, | |
int | featureId, | |||
QgsGeometry * | geom, | |||
double | sqrSnappingTolerance, | |||
QMultiMap< double, QgsSnappingResult > & | snappingResults, | |||
QgsSnapper::SnappingType | snap_to | |||
) | const [private] |
Snaps to a geometry and adds the result to the multimap if it is within the snapping result.
startPoint | start point of the snap | |
featureId | id of feature | |
geom | geometry to snap | |
sqrSnappingTolerance | squared search tolerance of the snap | |
snappingResults | list to which the result is appended | |
snap_to | snap to vertex or to segment |
Definition at line 3870 of file qgsvectorlayer.cpp.
References QgsSnappingResult::afterVertex, QgsSnappingResult::afterVertexNr, QgsSnappingResult::beforeVertex, QgsSnappingResult::beforeVertexNr, QgsGeometry::closestSegmentWithContext(), QgsGeometry::closestVertex(), geometryType(), QgsSnappingResult::layer, QGis::Point, QgsSnappingResult::snappedAtGeometry, QgsSnappingResult::snappedVertex, QgsSnappingResult::snappedVertexNr, QgsSnapper::SnapToSegment, QgsSnapper::SnapToVertex, QgsSnapper::SnapToVertexAndSegment, and QgsGeometry::vertexAt().
Referenced by snapWithContext().
int QgsVectorLayer::boundingBoxFromPointList | ( | const QList< QgsPoint > & | list, | |
double & | xmin, | |||
double & | ymin, | |||
double & | xmax, | |||
double & | ymax | |||
) | const [private] |
Little helper function that gives bounding box from a list of points.
Definition at line 3953 of file qgsvectorlayer.cpp.
References MathUtils::max().
Referenced by addRing(), and splitFeatures().
QgsVectorLayer::VertexMarkerType QgsVectorLayer::currentVertexMarkerType | ( | ) | [static, private] |
Reads vertex marker type from settings.
Definition at line 3988 of file qgsvectorlayer.cpp.
References Cross, NoMarker, and SemiTransparentCircle.
Referenced by draw(), and drawRendererV2Levels().
int QgsVectorLayer::currentVertexMarkerSize | ( | ) | [static, private] |
Reads vertex marker size from settings.
Definition at line 4006 of file qgsvectorlayer.cpp.
Referenced by draw(), and drawRendererV2Levels().
void QgsVectorLayer::updateFeatureAttributes | ( | QgsFeature & | f, | |
bool | all = false | |||
) | [private] |
Update feature with uncommited attribute updates.
Definition at line 1501 of file qgsvectorlayer.cpp.
References QgsFeature::attributeMap(), QgsFeature::changeAttribute(), QgsFeature::deleteAttribute(), QgsFeature::id(), mChangedAttributeValues, mEditable, mFetchAttributes, and mUpdatedFields.
Referenced by featureAtId(), nextFeature(), and selectedFeatures().
void QgsVectorLayer::updateFeatureGeometry | ( | QgsFeature & | f | ) | [private] |
Update feature with uncommited geometry updates.
Definition at line 1526 of file qgsvectorlayer.cpp.
References QgsFeature::id(), mChangedGeometries, and QgsFeature::setGeometry().
Referenced by selectedFeatures().
void QgsVectorLayer::editGeometryChange | ( | int | featureId, | |
QgsGeometry & | geometry | |||
) | [private] |
Record changed geometry, store in active command (if any).
Definition at line 4374 of file qgsvectorlayer.cpp.
References mActiveCommand, mChangedGeometries, and QgsUndoCommand::storeGeometryChange().
Referenced by addIsland(), addRing(), changeGeometry(), deleteVertex(), insertVertex(), moveVertex(), splitFeatures(), and translateFeature().
void QgsVectorLayer::editFeatureAdd | ( | QgsFeature & | feature | ) | [private] |
Record added feature, store in active command (if any).
Definition at line 4384 of file qgsvectorlayer.cpp.
References mActiveCommand, mAddedFeatures, and QgsUndoCommand::storeFeatureAdd().
Referenced by addFeature().
void QgsVectorLayer::editFeatureDelete | ( | int | featureId | ) | [private] |
Record deleted feature, store in active command (if any).
Definition at line 4393 of file qgsvectorlayer.cpp.
References mActiveCommand, mDeletedFeatureIds, and QgsUndoCommand::storeFeatureDelete().
Referenced by deleteFeature().
void QgsVectorLayer::editAttributeChange | ( | int | featureId, | |
int | field, | |||
QVariant | value | |||
) | [private] |
Record changed attribute, store in active command (if any).
Definition at line 4402 of file qgsvectorlayer.cpp.
References mActiveCommand, mAddedFeatures, mChangedAttributeValues, and QgsUndoCommand::storeAttributeChange().
Referenced by changeAttributeValue().
void QgsVectorLayer::stopRendererV2 | ( | QgsRenderContext & | rendererContext, | |
QgsSingleSymbolRendererV2 * | selRenderer | |||
) | [private] |
Stop version 2 renderer and selected renderer (if required).
Definition at line 4721 of file qgsvectorlayer.cpp.
References mRendererV2, QgsSingleSymbolRendererV2::stopRender(), and QgsFeatureRendererV2::stopRender().
Referenced by drawRendererV2Levels().
int QgsVectorLayer::mUpdateThreshold [private] |
Update threshold for drawing features as they are read.
A value of zero indicates that no features will be drawn until all have been read
Definition at line 728 of file qgsvectorlayer.h.
Referenced by draw(), and drawRendererV2().
Pointer to data provider derived from the abastract base class QgsDataProvider.
Definition at line 731 of file qgsvectorlayer.h.
Referenced by addAttribute(), addFeature(), addFeatures(), capabilitiesString(), changeGeometry(), commitChanges(), dataComment(), dataProvider(), deleteAttribute(), deleteSelectedFeatures(), deleteVertex(), featureAtId(), featureCount(), geometryType(), hasCompatibleSymbology(), insertVertex(), isEditable(), moveVertex(), nextFeature(), pendingAllAttributesList(), pendingFeatureCount(), pendingFields(), readXml(), reload(), select(), selectedFeatures(), setCoordinateSystem(), setDataProvider(), setProviderEncoding(), setSubsetString(), snapWithContext(), startEditing(), storageType(), subsetString(), translateFeature(), updateExtents(), writeSymbology(), writeXml(), and ~QgsVectorLayer().
QString QgsVectorLayer::mDisplayField [private] |
index of the primary label field
Definition at line 734 of file qgsvectorlayer.h.
Referenced by displayField(), and setDisplayField().
QString QgsVectorLayer::mProviderKey [private] |
Data provider key.
Definition at line 737 of file qgsvectorlayer.h.
Referenced by providerType(), QgsVectorLayer(), readXml(), and setDataProvider().
QgsAttributeAction* QgsVectorLayer::mActions [private] |
The user-defined actions that are accessed from the Identify Results dialog box.
Definition at line 740 of file qgsvectorlayer.h.
Referenced by QgsVectorLayer(), readSymbology(), writeSymbology(), and ~QgsVectorLayer().
bool QgsVectorLayer::mEditable [private] |
Flag indicating whether the layer is in editing mode or not.
Definition at line 743 of file qgsvectorlayer.h.
Referenced by changeGeometry(), commitChanges(), deleteVertex(), draw(), drawLineString(), drawPolygon(), drawRendererV2(), drawRendererV2Levels(), insertVertex(), isEditable(), moveVertex(), nextFeature(), rollBack(), select(), setReadOnly(), startEditing(), and updateFeatureAttributes().
bool QgsVectorLayer::mReadOnly [private] |
Flag indicating whether the layer is in read-only mode (editing disabled) or not.
Definition at line 746 of file qgsvectorlayer.h.
Referenced by isReadOnly(), setReadOnly(), and startEditing().
bool QgsVectorLayer::mModified [private] |
Flag indicating whether the layer has been modified since the last commit.
Definition at line 749 of file qgsvectorlayer.h.
Referenced by isModified(), and setModified().
cache of the committed geometries retrieved *for the current display*
Definition at line 752 of file qgsvectorlayer.h.
Referenced by addFeature(), addIsland(), changeGeometry(), deleteCachedGeometries(), deleteVertex(), draw(), drawRendererV2(), drawRendererV2Levels(), insertVertex(), moveVertex(), snapWithContext(), splitFeatures(), and translateFeature().
extent for which there are cached geometries
Definition at line 755 of file qgsvectorlayer.h.
Referenced by deleteCachedGeometries(), draw(), and snapWithContext().
Set holding the feature IDs that are activated.
Note that if a feature subsequently gets deleted (i.e. by its addition to mDeletedFeatureIds), it always needs to be removed from mSelectedFeatureIds as well.
Definition at line 761 of file qgsvectorlayer.h.
Referenced by addFeatures(), addIsland(), boundingBoxOfSelected(), deleteFeature(), deleteSelectedFeatures(), deselect(), draw(), drawLabels(), drawRendererV2(), drawRendererV2Levels(), invertSelection(), invertSelectionInRectangle(), removeSelection(), select(), selectedFeatureCount(), selectedFeatures(), selectedFeaturesIds(), and setSelectedFeatures().
Deleted feature IDs which are not commited.
Note a feature can be added and then deleted again before the change is committed - in that case the added feature would be removed from mAddedFeatures only and *not* entered here.
Definition at line 767 of file qgsvectorlayer.h.
Referenced by commitChanges(), deleteFeature(), editFeatureDelete(), featureAtId(), pendingFeatureCount(), redoEditCommand(), rollBack(), select(), undoEditCommand(), and updateExtents().
QgsFeatureList QgsVectorLayer::mAddedFeatures [private] |
New features which are not commited.
Note a feature can be added and then changed, therefore the details here can be overridden by mChangedAttributeValues and mChangedGeometries.
Definition at line 772 of file qgsvectorlayer.h.
Referenced by addIsland(), commitChanges(), editAttributeChange(), editFeatureAdd(), featureAtId(), nextFeature(), pendingFeatureCount(), redoEditCommand(), rollBack(), select(), selectedFeatures(), translateFeature(), undoEditCommand(), and updateExtents().
Changed attributes values which are not commited.
Definition at line 775 of file qgsvectorlayer.h.
Referenced by commitChanges(), editAttributeChange(), redoEditCommand(), rollBack(), undoEditCommand(), and updateFeatureAttributes().
deleted attributes fields which are not commited
Definition at line 778 of file qgsvectorlayer.h.
Referenced by commitChanges(), deleteAttribute(), redoEditCommand(), rollBack(), and undoEditCommand().
added attributes fields which are not commited
Definition at line 781 of file qgsvectorlayer.h.
Referenced by addAttribute(), commitChanges(), deleteAttribute(), redoEditCommand(), rollBack(), select(), and undoEditCommand().
Changed geometries which are not commited.
Definition at line 784 of file qgsvectorlayer.h.
Referenced by addIsland(), commitChanges(), deleteVertex(), editGeometryChange(), featureAtId(), insertVertex(), moveVertex(), nextFeature(), redoEditCommand(), rollBack(), select(), translateFeature(), undoEditCommand(), updateExtents(), and updateFeatureGeometry().
QgsFieldMap QgsVectorLayer::mUpdatedFields [private] |
field map to commit
Definition at line 787 of file qgsvectorlayer.h.
Referenced by addAttribute(), commitChanges(), deleteAttribute(), pendingAllAttributesList(), pendingFields(), redoEditCommand(), rollBack(), select(), startEditing(), undoEditCommand(), and updateFeatureAttributes().
QMap<int, QString> QgsVectorLayer::mAttributeAliasMap [private] |
Map that stores the aliases for attributes.
Key is the attribute index and value the alias for that attribute
Definition at line 790 of file qgsvectorlayer.h.
Referenced by addAttributeAlias(), attributeAlias(), deleteAttribute(), readSymbology(), and writeSymbology().
int QgsVectorLayer::mMaxUpdatedIndex [private] |
max field index
Definition at line 793 of file qgsvectorlayer.h.
Referenced by addAttribute(), commitChanges(), rollBack(), and startEditing().
int QgsVectorLayer::mWkbType [private] |
Geometry type as defined in enum WkbType (qgis.h).
Definition at line 796 of file qgsvectorlayer.h.
Referenced by setDataProvider(), and wkbType().
QgsUndoCommand* QgsVectorLayer::mActiveCommand [private] |
Definition at line 798 of file qgsvectorlayer.h.
Referenced by addAttribute(), beginEditCommand(), deleteAttribute(), destroyEditCommand(), editAttributeChange(), editFeatureAdd(), editFeatureDelete(), editGeometryChange(), and endEditCommand().
QgsRenderer* QgsVectorLayer::mRenderer [private] |
Renderer object which holds the information about how to display the features.
Definition at line 801 of file qgsvectorlayer.h.
Referenced by copySymbologySettings(), draw(), drawLabels(), drawLineString(), drawPolygon(), readSymbology(), renderer(), setRenderer(), writeSymbology(), and ~QgsVectorLayer().
QgsFeatureRendererV2* QgsVectorLayer::mRendererV2 [private] |
Renderer V2.
Definition at line 804 of file qgsvectorlayer.h.
Referenced by draw(), drawLabels(), drawRendererV2(), drawRendererV2Levels(), rendererV2(), setRendererV2(), stopRendererV2(), and writeSymbology().
bool QgsVectorLayer::mUsingRendererV2 [private] |
whether to use V1 or V2 renderer
Definition at line 807 of file qgsvectorlayer.h.
Referenced by draw(), isUsingRendererV2(), QgsVectorLayer(), setUsingRendererV2(), and writeSymbology().
QgsLabel* QgsVectorLayer::mLabel [private] |
Label.
Definition at line 810 of file qgsvectorlayer.h.
Referenced by drawLabels(), label(), readSymbology(), setDataProvider(), writeSymbology(), and ~QgsVectorLayer().
bool QgsVectorLayer::mLabelOn [private] |
Display labels.
Definition at line 813 of file qgsvectorlayer.h.
Referenced by drawLabels(), enableLabels(), hasLabelsEnabled(), and setDataProvider().
The current type of editing marker.
Definition at line 816 of file qgsvectorlayer.h.
Referenced by draw(), drawLineString(), and drawPolygon().
int QgsVectorLayer::mCurrentVertexMarkerSize [private] |
The current size of editing marker.
Definition at line 819 of file qgsvectorlayer.h.
Referenced by draw(), drawLineString(), and drawPolygon().
bool QgsVectorLayer::mVertexMarkerOnlyForSelection [private] |
Flag if the vertex markers should be drawn only for selection (true) or for all features (false).
Definition at line 822 of file qgsvectorlayer.h.
Referenced by draw().
QList<QgsVectorOverlay*> QgsVectorLayer::mOverlays [private] |
List of overlays.
Vector overlays will be rendered on top of all maplayers
Definition at line 825 of file qgsvectorlayer.h.
Referenced by addOverlay(), findOverlayByType(), removeOverlay(), vectorOverlays(), writeSymbology(), and ~QgsVectorLayer().
QStringList QgsVectorLayer::mCommitErrors [private] |
QMap< QString, EditType > QgsVectorLayer::mEditTypes [private] |
Definition at line 829 of file qgsvectorlayer.h.
Referenced by editType(), readSymbology(), setEditType(), and writeSymbology().
QMap< QString, QMap<QString, QVariant> > QgsVectorLayer::mValueMaps [private] |
Definition at line 830 of file qgsvectorlayer.h.
Referenced by readSymbology(), valueMap(), and writeSymbology().
QMap< QString, RangeData > QgsVectorLayer::mRanges [private] |
Definition at line 831 of file qgsvectorlayer.h.
Referenced by range(), readSymbology(), and writeSymbology().
QMap< QString, QPair<QString, QString> > QgsVectorLayer::mCheckedStates [private] |
Definition at line 832 of file qgsvectorlayer.h.
Referenced by checkedState(), readSymbology(), setCheckedState(), and writeSymbology().
QString QgsVectorLayer::mEditForm [private] |
Definition at line 834 of file qgsvectorlayer.h.
Referenced by editForm(), readSymbology(), setEditForm(), and writeSymbology().
QString QgsVectorLayer::mEditFormInit [private] |
Definition at line 834 of file qgsvectorlayer.h.
Referenced by editFormInit(), readSymbology(), setEditFormInit(), and writeSymbology().
QString QgsVectorLayer::mAnnotationForm [private] |
Definition at line 836 of file qgsvectorlayer.h.
Referenced by readSymbology(), setAnnotationForm(), and writeSymbology().
bool QgsVectorLayer::mFetching [private] |
QgsRectangle QgsVectorLayer::mFetchRect [private] |
Definition at line 840 of file qgsvectorlayer.h.
Referenced by nextFeature(), select(), and updateFeatureAttributes().
bool QgsVectorLayer::mFetchGeometry [private] |
QSet<int> QgsVectorLayer::mFetchConsidered [private] |
QgsGeometryMap::iterator QgsVectorLayer::mFetchChangedGeomIt [private] |
QgsFeatureList::iterator QgsVectorLayer::mFetchAddedFeaturesIt [private] |