Quantum GIS API Documentation
1.7.5-Wroclaw
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A table class that displays a vector attribute table. More...
#include <qgscomposerattributetable.h>
Signals | |
void | maximumNumerOfFeaturesChanged (int n) |
This signal is emitted if the maximum number of feature changes (interactively) |
Public Member Functions | |
QgsComposerAttributeTable (QgsComposition *composition) | |
~QgsComposerAttributeTable () | |
virtual int | type () const |
return correct graphics item type. | |
virtual void | paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget) |
Reimplementation of QCanvasItem::paint. | |
bool | writeXML (QDomElement &elem, QDomDocument &doc) const |
stores state in Dom element | |
bool | readXML (const QDomElement &itemElem, const QDomDocument &doc) |
sets state from Dom document | |
void | setVectorLayer (QgsVectorLayer *vl) |
const QgsVectorLayer * | vectorLayer () const |
void | setComposerMap (const QgsComposerMap *map) |
const QgsComposerMap * | composerMap () const |
void | setMaximumNumberOfFeatures (int nr) |
int | maximumNumberOfFeatures () const |
void | setDisplayOnlyVisibleFeatures (bool b) |
bool | displayOnlyVisibleFeatures () const |
QSet< int > | displayAttributes () const |
void | setDisplayAttributes (const QSet< int > &attr) |
QMap< int, QString > | fieldAliasMap () const |
void | setFieldAliasMap (const QMap< int, QString > &map) |
void | setSceneRect (const QRectF &rectangle) |
Adapts mMaximumNumberOfFeatures depending on the rectangle height. | |
void | setSortAttributes (const QList< QPair< int, bool > > att) |
QList< QPair< int, bool > > | sortAttributes () const |
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QgsComposerTable (QgsComposition *composition) | |
virtual | ~QgsComposerTable () |
void | setLineTextDistance (double d) |
double | lineTextDistance () const |
void | setHeaderFont (const QFont &f) |
QFont | headerFont () const |
void | setContentFont (const QFont &f) |
QFont | contentFont () const |
void | setShowGrid (bool show) |
bool | showGrid () const |
void | setGridStrokeWidth (double w) |
double | gridStrokeWidth () const |
void | setGridColor (const QColor &c) |
QColor | gridColor () const |
void | adjustFrameToSize () |
Adapts the size of the frame to match the content. | |
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QgsComposerItem (QgsComposition *composition, bool manageZValue=true) | |
Constructor. | |
QgsComposerItem (qreal x, qreal y, qreal width, qreal height, QgsComposition *composition, bool manageZValue=true) | |
Constructor with box position and composer object. | |
virtual | ~QgsComposerItem () |
virtual void | setSelected (bool s) |
Set selected, selected item should be highlighted. | |
virtual bool | selected (void) |
Is selected. | |
virtual bool | writeSettings (void) |
stores state in project | |
virtual bool | readSettings (void) |
read state from project | |
virtual bool | removeSettings (void) |
delete settings from project file | |
void | move (double dx, double dy) |
Moves item in canvas coordinates. | |
virtual void | moveContent (double dx, double dy) |
Move Content of item. | |
virtual void | zoomContent (int delta, double x, double y) |
Zoom content of item. | |
void | setItemPosition (double x, double y, ItemPositionMode itemPoint=UpperLeft) |
Moves the item to a new position (in canvas coordinates) | |
void | setItemPosition (double x, double y, double width, double height, ItemPositionMode itemPoint=UpperLeft) |
Sets item position and width / height in one go. | |
bool | _writeXML (QDomElement &itemElem, QDomDocument &doc) const |
Writes parameter that are not subclass specific in document. | |
bool | _readXML (const QDomElement &itemElem, const QDomDocument &doc) |
Reads parameter that are not subclass specific in document. | |
bool | frame () const |
void | setFrame (bool drawFrame) |
virtual void | addItem (QgsComposerItem *item) |
Composite operations for item groups do nothing per default. | |
virtual void | removeItems () |
const QgsComposition * | composition () const |
void | beginCommand (const QString &commandText, QgsComposerMergeCommand::Context c=QgsComposerMergeCommand::Unknown) |
Starts new composer undo command. | |
void | endCommand () |
Finish current command and push it onto the undo stack. | |
void | cancelCommand () |
void | drawText (QPainter *p, double x, double y, const QString &text, const QFont &font) const |
Draws Text. | |
void | drawText (QPainter *p, const QRectF &rect, const QString &text, const QFont &font, Qt::AlignmentFlag halignement=Qt::AlignLeft, Qt::AlignmentFlag valignement=Qt::AlignTop) const |
Like the above, but with a rectangle for multiline text. | |
double | textWidthMillimeters (const QFont &font, const QString &text) const |
Returns the font width in millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. | |
double | fontHeightCharacterMM (const QFont &font, const QChar &c) const |
Returns the font height of a character in millimeters. | |
double | fontAscentMillimeters (const QFont &font) const |
Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. | |
double | pixelFontSize (double pointSize) const |
Calculates font to from point size to pixel size. | |
QFont | scaledFontPixelSize (const QFont &font) const |
Returns a font where size is in pixel and font size is upscaled with FONT_WORKAROUND_SCALE. | |
void | setPositionLock (bool lock) |
Locks / unlocks the item position for mouse drags. | |
bool | positionLock () const |
Returns position lock for mouse drags (true means locked) | |
void | updateCursor (const QPointF &itemPos) |
Update mouse cursor at (item) position. | |
double | rotation () const |
Protected Member Functions | |
bool | getFeatureAttributes (QList< QgsAttributeMap > &attributes) |
Retrieves feature attributes. | |
QMap< int, QString > | getHeaderLabels () const |
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virtual bool | calculateMaxColumnWidths (QMap< int, double > &maxWidthMap, const QList< QgsAttributeMap > &attributeList) const |
Calculate the maximum width values of the vector attributes. | |
void | adaptItemFrame (const QMap< int, double > &maxWidthMap, const QList< QgsAttributeMap > &attributeList) |
Adapts the size of the item frame to match the content. | |
void | drawHorizontalGridLines (QPainter *p, int nAttributes) |
void | drawVerticalGridLines (QPainter *p, const QMap< int, double > &maxWidthMap) |
bool | tableWriteXML (QDomElement &itemElem, QDomDocument &doc) const |
bool | tableReadXML (const QDomElement &itemElem, const QDomDocument &doc) |
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virtual void | mouseMoveEvent (QGraphicsSceneMouseEvent *event) |
virtual void | mousePressEvent (QGraphicsSceneMouseEvent *event) |
virtual void | mouseReleaseEvent (QGraphicsSceneMouseEvent *event) |
virtual void | hoverMoveEvent (QGraphicsSceneHoverEvent *event) |
Qt::CursorShape | cursorForPosition (const QPointF &itemCoordPos) |
Finds out the appropriate cursor for the current mouse position in the widget (e.g. | |
QgsComposerItem::MouseMoveAction | mouseMoveActionForPosition (const QPointF &itemCoordPos) |
Finds out which mouse move action to choose depending on the cursor position inside the widget. | |
void | changeItemRectangle (const QPointF ¤tPosition, const QPointF &mouseMoveStartPos, const QGraphicsRectItem *originalItem, double dx, double dy, QGraphicsRectItem *changeItem) |
Changes the rectangle of an item depending on current mouse action (resize or move) | |
virtual void | drawSelectionBoxes (QPainter *p) |
Draw selection boxes around item. | |
virtual void | drawFrame (QPainter *p) |
Draw black frame around item. | |
virtual void | drawBackground (QPainter *p) |
Draw background. | |
void | drawArrowHead (QPainter *p, double x, double y, double angle, double arrowHeadWidth) const |
Draws arrowhead. | |
double | angle (const QPointF &p1, const QPointF &p2) const |
Returns angle of the line from p1 to p2 (clockwise, starting at N) | |
double | rectHandlerBorderTolerance () const |
Returns the current (zoom level dependent) tolerance to decide if mouse position is close enough to the \ item border for resizing. | |
double | lockSymbolSize () const |
Returns the size of the lock symbol depending on the composer zoom level and the item size. | |
double | horizontalViewScaleFactor () const |
Returns the zoom factor of the graphics view. | |
bool | imageSizeConsideringRotation (double &width, double &height) const |
Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. | |
bool | cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const |
Calculates corner point after rotation and scaling. | |
QPointF | pointOnLineWithDistance (const QPointF &startPoint, const QPointF &directionPoint, double distance) const |
Returns a point on the line from startPoint to directionPoint that is a certain distance away from the starting point. | |
void | sizeChangedByRotation (double &width, double &height) |
Calculates width / height of the bounding box of a rotated rectangle (mRotation) | |
void | rotate (double angle, double &x, double &y) const |
Rotates a point / vector. |
Private Slots | |
void | removeLayer (QString layerId) |
Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes) |
Private Member Functions | |
void | initializeAliasMap () |
Inserts aliases from vector layer as starting configuration to the alias map. | |
QString | attributeDisplayName (int attributeIndex, const QString &name) const |
Returns the attribute name to display in the item (attribute name or an alias if present) |
Private Attributes | |
QgsVectorLayer * | mVectorLayer |
Associated vector layer. | |
const QgsComposerMap * | mComposerMap |
Associated composer map (used to display the visible features) | |
int | mMaximumNumberOfFeatures |
Maximum number of features that is displayed. | |
bool | mShowOnlyVisibleFeatures |
Shows only the features that are visible in the associated composer map (true by default) | |
QSet< int > | mDisplayAttributes |
List of attribute indices to display (or all attributes if list is empty) | |
QMap< int, QString > | mFieldAliasMap |
Map of attribute name aliases. | |
QList< QPair< int, bool > > | mSortInformation |
Contains information about sort attribute index / ascending (true/false). |
Additional Inherited Members | |
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double | mLineTextDistance |
Distance between table lines and text. | |
QFont | mHeaderFont |
QFont | mContentFont |
bool | mShowGrid |
double | mGridStrokeWidth |
QColor | mGridColor |
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QgsComposition * | mComposition |
QgsComposerItem::MouseMoveAction | mCurrentMouseMoveAction |
QPointF | mMouseMoveStartPos |
Start point of the last mouse move action (in scene coordinates) | |
QPointF | mLastMouseEventPos |
Position of the last mouse move event (in scene coordinates) | |
QGraphicsRectItem * | mBoundingResizeRectangle |
Rectangle used during move and resize actions. | |
bool | mFrame |
True if item fram needs to be painted. | |
bool | mItemPositionLocked |
True if item position and size cannot be changed with mouse move. | |
double | mLastValidViewScaleFactor |
Backup to restore item appearance if no view scale factor is available. | |
double | mRotation |
Item rotation in degrees, clockwise. |
A table class that displays a vector attribute table.
Definition at line 40 of file qgscomposerattributetable.h.
QgsComposerAttributeTable::QgsComposerAttributeTable | ( | QgsComposition * | composition | ) |
Definition at line 46 of file qgscomposerattributetable.cpp.
References QgsMapLayerRegistry::instance(), QgsMapLayerRegistry::mapLayers(), mVectorLayer, and removeLayer().
QgsComposerAttributeTable::~QgsComposerAttributeTable | ( | ) |
Definition at line 64 of file qgscomposerattributetable.cpp.
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Returns the attribute name to display in the item (attribute name or an alias if present)
Definition at line 179 of file qgscomposerattributetable.cpp.
References mFieldAliasMap.
Referenced by getHeaderLabels().
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Definition at line 60 of file qgscomposerattributetable.h.
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Definition at line 68 of file qgscomposerattributetable.h.
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Definition at line 66 of file qgscomposerattributetable.h.
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Definition at line 71 of file qgscomposerattributetable.h.
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Retrieves feature attributes.
Reimplemented from QgsComposerTable.
Definition at line 119 of file qgscomposerattributetable.cpp.
References QgsFeature::attributeMap(), QgsComposerMap::extent(), mComposerMap, mDisplayAttributes, mMaximumNumberOfFeatures, mShowOnlyVisibleFeatures, mSortInformation, mVectorLayer, QgsVectorLayer::nextFeature(), QgsVectorLayer::pendingAllAttributesList(), QgsVectorLayer::select(), QgsComposerAttributeTableCompare::setAscending(), and QgsComposerAttributeTableCompare::setSortColumn().
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Reimplemented from QgsComposerTable.
Definition at line 160 of file qgscomposerattributetable.cpp.
References attributeDisplayName(), mDisplayAttributes, mVectorLayer, and QgsVectorLayer::pendingFields().
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Inserts aliases from vector layer as starting configuration to the alias map.
Definition at line 78 of file qgscomposerattributetable.cpp.
References QgsVectorLayer::attributeAlias(), mFieldAliasMap, mVectorLayer, and QgsVectorLayer::pendingFields().
Referenced by setVectorLayer().
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Definition at line 63 of file qgscomposerattributetable.h.
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This signal is emitted if the maximum number of feature changes (interactively)
Referenced by setSceneRect().
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Reimplementation of QCanvasItem::paint.
Reimplemented from QgsComposerTable.
Definition at line 69 of file qgscomposerattributetable.cpp.
References QgsComposerMap::isDrawing(), and mComposerMap.
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sets state from Dom document
itemElem | is Dom node corresponding to item tag |
doc | is Dom document |
Implements QgsComposerTable.
Definition at line 276 of file qgscomposerattributetable.cpp.
References QgsComposerItem::composition(), QgsComposition::getComposerMapById(), QgsMapLayerRegistry::instance(), QgsComposerItem::itemChanged(), QgsMapLayerRegistry::mapLayer(), mComposerMap, mDisplayAttributes, mFieldAliasMap, mMaximumNumberOfFeatures, mShowOnlyVisibleFeatures, mSortInformation, mVectorLayer, and QgsComposerTable::tableReadXML().
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Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes)
Definition at line 192 of file qgscomposerattributetable.cpp.
References QgsMapLayer::id(), and mVectorLayer.
Referenced by QgsComposerAttributeTable().
void QgsComposerAttributeTable::setComposerMap | ( | const QgsComposerMap * | map | ) |
Definition at line 106 of file qgscomposerattributetable.cpp.
References mComposerMap, and QgsComposerItem::repaint().
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Definition at line 69 of file qgscomposerattributetable.h.
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Definition at line 65 of file qgscomposerattributetable.h.
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Definition at line 72 of file qgscomposerattributetable.h.
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Definition at line 62 of file qgscomposerattributetable.h.
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Adapts mMaximumNumberOfFeatures depending on the rectangle height.
Reimplemented from QgsComposerItem.
Definition at line 203 of file qgscomposerattributetable.cpp.
References QgsComposerItem::fontAscentMillimeters(), maximumNumerOfFeaturesChanged(), QgsComposerTable::mContentFont, QgsComposerTable::mGridStrokeWidth, QgsComposerTable::mHeaderFont, QgsComposerTable::mLineTextDistance, and mMaximumNumberOfFeatures.
Referenced by QgsComposerView::mousePressEvent().
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Definition at line 77 of file qgscomposerattributetable.h.
void QgsComposerAttributeTable::setVectorLayer | ( | QgsVectorLayer * | vl | ) |
Definition at line 96 of file qgscomposerattributetable.cpp.
References initializeAliasMap(), mDisplayAttributes, and mVectorLayer.
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Definition at line 78 of file qgscomposerattributetable.h.
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return correct graphics item type.
Added in v1.7
Reimplemented from QgsComposerTable.
Definition at line 48 of file qgscomposerattributetable.h.
References QgsComposerItem::ComposerAttributeTable.
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Definition at line 57 of file qgscomposerattributetable.h.
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stores state in Dom element
elem | is Dom element corresponding to 'Composer' tag |
doc | is the Dom document |
Implements QgsComposerTable.
Definition at line 219 of file qgscomposerattributetable.cpp.
References QgsMapLayer::id(), QgsComposerMap::id(), mComposerMap, mDisplayAttributes, mFieldAliasMap, mShowOnlyVisibleFeatures, mSortInformation, mVectorLayer, and QgsComposerTable::tableWriteXML().
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Associated composer map (used to display the visible features)
Definition at line 89 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), paint(), readXML(), setComposerMap(), and writeXML().
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List of attribute indices to display (or all attributes if list is empty)
Definition at line 97 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), getHeaderLabels(), readXML(), setVectorLayer(), and writeXML().
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Map of attribute name aliases.
The aliases might be different to those of QgsVectorLayer (but those from the vector layer are the default)
Definition at line 99 of file qgscomposerattributetable.h.
Referenced by attributeDisplayName(), initializeAliasMap(), readXML(), and writeXML().
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Maximum number of features that is displayed.
Definition at line 91 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), readXML(), and setSceneRect().
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Shows only the features that are visible in the associated composer map (true by default)
Definition at line 94 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), readXML(), and writeXML().
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Contains information about sort attribute index / ascending (true/false).
First entry has the highest priority
Definition at line 102 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), readXML(), and writeXML().
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Associated vector layer.
Definition at line 87 of file qgscomposerattributetable.h.
Referenced by getFeatureAttributes(), getHeaderLabels(), initializeAliasMap(), QgsComposerAttributeTable(), readXML(), removeLayer(), setVectorLayer(), and writeXML().