QGIS API Documentation  master-59fd5e0
QgsComposerAttributeTable Class Reference

A table class that displays a vector attribute table. More...

#include <qgscomposerattributetable.h>

+ Inheritance diagram for QgsComposerAttributeTable:
+ Collaboration diagram for QgsComposerAttributeTable:

List of all members.

Signals

void maximumNumberOfFeaturesChanged (int n)
 This signal is emitted if the maximum number of feature changes (interactively)

Public Member Functions

 QgsComposerAttributeTable (QgsComposition *composition)
 ~QgsComposerAttributeTable ()
const QgsComposerMapcomposerMap () const
QSet< int > displayAttributes () const
bool displayOnlyVisibleFeatures () const
QMap< int, QString > fieldAliasMap () const
int maximumNumberOfFeatures () const
virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget)
 Reimplementation of QCanvasItem::paint.
bool readXML (const QDomElement &itemElem, const QDomDocument &doc)
 sets state from Dom document
void setComposerMap (const QgsComposerMap *map)
void setDisplayAttributes (const QSet< int > &attr)
void setDisplayOnlyVisibleFeatures (bool b)
void setFieldAliasMap (const QMap< int, QString > &map)
void setMaximumNumberOfFeatures (int nr)
void setSceneRect (const QRectF &rectangle)
 Adapts mMaximumNumberOfFeatures depending on the rectangle height.
void setSortAttributes (const QList< QPair< int, bool > > att)
void setVectorLayer (QgsVectorLayer *vl)
QList< QPair< int, bool > > sortAttributes () const
virtual int type () const
 return correct graphics item type.
const QgsVectorLayervectorLayer () const
bool writeXML (QDomElement &elem, QDomDocument &doc) const
 stores state in Dom element

Protected Member Functions

bool getFeatureAttributes (QList< QgsAttributes > &attributes)
 Retrieves feature attributes.
QMap< int, QString > getHeaderLabels () const

Private Slots

void removeLayer (QString layerId)
 Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes)

Private Member Functions

QString attributeDisplayName (int attributeIndex, const QString &name) const
 Returns the attribute name to display in the item (attribute name or an alias if present)
void initializeAliasMap ()
 Inserts aliases from vector layer as starting configuration to the alias map.

Private Attributes

const QgsComposerMapmComposerMap
 Associated composer map (used to display the visible features)
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.
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)
QList< QPair< int, bool > > mSortInformation
 Contains information about sort attribute index / ascending (true/false).
QgsVectorLayermVectorLayer
 Associated vector layer.

Detailed Description

A table class that displays a vector attribute table.

Definition at line 40 of file qgscomposerattributetable.h.


Constructor & Destructor Documentation


Member Function Documentation

QString QgsComposerAttributeTable::attributeDisplayName ( int  attributeIndex,
const QString &  name 
) const [private]

Returns the attribute name to display in the item (attribute name or an alias if present)

Definition at line 195 of file qgscomposerattributetable.cpp.

References mFieldAliasMap.

Referenced by getHeaderLabels().

Definition at line 60 of file qgscomposerattributetable.h.

QSet<int> QgsComposerAttributeTable::displayAttributes ( ) const [inline]

Definition at line 68 of file qgscomposerattributetable.h.

Definition at line 66 of file qgscomposerattributetable.h.

QMap<int, QString> QgsComposerAttributeTable::fieldAliasMap ( ) const [inline]

Definition at line 71 of file qgscomposerattributetable.h.

QMap< int, QString > QgsComposerAttributeTable::getHeaderLabels ( ) const [protected, virtual]
Note:
not available in python bindings

Reimplemented from QgsComposerTable.

Definition at line 177 of file qgscomposerattributetable.cpp.

References attributeDisplayName(), QgsFields::count(), mDisplayAttributes, mVectorLayer, and QgsVectorLayer::pendingFields().

Inserts aliases from vector layer as starting configuration to the alias map.

Definition at line 79 of file qgscomposerattributetable.cpp.

References QgsVectorLayer::attributeAlias(), QgsFields::count(), mFieldAliasMap, mVectorLayer, and QgsVectorLayer::pendingFields().

Referenced by setVectorLayer().

Definition at line 63 of file qgscomposerattributetable.h.

This signal is emitted if the maximum number of feature changes (interactively)

Referenced by setSceneRect().

void QgsComposerAttributeTable::paint ( QPainter *  painter,
const QStyleOptionGraphicsItem *  itemStyle,
QWidget *  pWidget 
) [virtual]

Reimplementation of QCanvasItem::paint.

Reimplemented from QgsComposerTable.

Definition at line 70 of file qgscomposerattributetable.cpp.

References QgsComposerMap::isDrawing(), and mComposerMap.

bool QgsComposerAttributeTable::readXML ( const QDomElement &  itemElem,
const QDomDocument &  doc 
) [virtual]
void QgsComposerAttributeTable::removeLayer ( QString  layerId) [private, slot]

Checks if this vector layer will be removed (and sets mVectorLayer to 0 if yes)

Definition at line 208 of file qgscomposerattributetable.cpp.

References QgsMapLayer::id(), and mVectorLayer.

Referenced by QgsComposerAttributeTable().

void QgsComposerAttributeTable::setDisplayAttributes ( const QSet< int > &  attr) [inline]

Definition at line 69 of file qgscomposerattributetable.h.

Definition at line 65 of file qgscomposerattributetable.h.

void QgsComposerAttributeTable::setFieldAliasMap ( const QMap< int, QString > &  map) [inline]

Definition at line 72 of file qgscomposerattributetable.h.

Definition at line 62 of file qgscomposerattributetable.h.

void QgsComposerAttributeTable::setSortAttributes ( const QList< QPair< int, bool > >  att) [inline]

Definition at line 78 of file qgscomposerattributetable.h.

QList<QPair<int, bool> > QgsComposerAttributeTable::sortAttributes ( ) const [inline]

Definition at line 81 of file qgscomposerattributetable.h.

virtual int QgsComposerAttributeTable::type ( ) const [inline, virtual]

return correct graphics item type.

Added in v1.7

Reimplemented from QgsComposerTable.

Definition at line 48 of file qgscomposerattributetable.h.

References QgsComposerItem::ComposerAttributeTable.

Definition at line 57 of file qgscomposerattributetable.h.

bool QgsComposerAttributeTable::writeXML ( QDomElement &  elem,
QDomDocument &  doc 
) const [virtual]

stores state in Dom element

Parameters:
elemis Dom element corresponding to 'Composer' tag
docis the Dom document

Implements QgsComposerTable.

Definition at line 235 of file qgscomposerattributetable.cpp.

References QgsMapLayer::id(), QgsComposerMap::id(), mComposerMap, mDisplayAttributes, mFieldAliasMap, mMaximumNumberOfFeatures, mShowOnlyVisibleFeatures, mSortInformation, mVectorLayer, and QgsComposerTable::tableWriteXML().


Member Data Documentation

Associated composer map (used to display the visible features)

Definition at line 96 of file qgscomposerattributetable.h.

Referenced by getFeatureAttributes(), paint(), readXML(), setComposerMap(), and writeXML().

List of attribute indices to display (or all attributes if list is empty)

Definition at line 104 of file qgscomposerattributetable.h.

Referenced by getFeatureAttributes(), getHeaderLabels(), readXML(), setVectorLayer(), and writeXML().

QMap<int, QString> QgsComposerAttributeTable::mFieldAliasMap [private]

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 106 of file qgscomposerattributetable.h.

Referenced by attributeDisplayName(), initializeAliasMap(), readXML(), and writeXML().

Maximum number of features that is displayed.

Definition at line 98 of file qgscomposerattributetable.h.

Referenced by getFeatureAttributes(), readXML(), setSceneRect(), and writeXML().

Shows only the features that are visible in the associated composer map (true by default)

Definition at line 101 of file qgscomposerattributetable.h.

Referenced by getFeatureAttributes(), readXML(), and writeXML().

QList< QPair<int, bool> > QgsComposerAttributeTable::mSortInformation [private]

Contains information about sort attribute index / ascending (true/false).

First entry has the highest priority

Definition at line 109 of file qgscomposerattributetable.h.

Referenced by getFeatureAttributes(), readXML(), and writeXML().


The documentation for this class was generated from the following files:
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