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Public Member Functions | Protected Member Functions | Protected Attributes
QgsComposerTable Class Reference

A class to display feature attributes in the print composer. More...

#include <qgscomposertable.h>

Inheritance diagram for QgsComposerTable:
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List of all members.

Public Member Functions

 QgsComposerTable (QgsComposition *composition)
virtual ~QgsComposerTable ()
virtual int type () const
 return correct graphics item type.
virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget)
 Reimplementation of QCanvasItem::paint.
virtual bool writeXML (QDomElement &elem, QDomDocument &doc) const =0
 stores state in Dom element
virtual bool readXML (const QDomElement &itemElem, const QDomDocument &doc)=0
 sets state from Dom document
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.
- Public Member Functions inherited from QgsComposerItem
 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.
virtual void setSceneRect (const QRectF &rectangle)
 Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit.
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 QgsCompositioncomposition () 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

virtual bool getFeatureAttributes (QList< QgsAttributeMap > &attributes)
 Retrieves feature attributes.
virtual QMap< int, QString > getHeaderLabels () const
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)
- Protected Member Functions inherited from QgsComposerItem
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 &currentPosition, 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.

Protected Attributes

double mLineTextDistance
 Distance between table lines and text.
QFont mHeaderFont
QFont mContentFont
bool mShowGrid
double mGridStrokeWidth
QColor mGridColor
- Protected Attributes inherited from QgsComposerItem
QgsCompositionmComposition
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.

Additional Inherited Members

- Public Types inherited from QgsComposerItem
enum  ItemType {
  ComposerItem = UserType + 100, ComposerArrow, ComposerItemGroup, ComposerLabel,
  ComposerLegend, ComposerMap, ComposerPaper, ComposerPicture,
  ComposerScaleBar, ComposerShape, ComposerTable, ComposerAttributeTable,
  ComposerTextTable
}
enum  MouseMoveAction {
  MoveItem, ResizeUp, ResizeDown, ResizeLeft,
  ResizeRight, ResizeLeftUp, ResizeRightUp, ResizeLeftDown,
  ResizeRightDown, NoAction
}
 Describes the action (move or resize in different directon) to be done during mouse move. More...
enum  ItemPositionMode {
  UpperLeft, UpperMiddle, UpperRight, MiddleLeft,
  Middle, MiddleRight, LowerLeft, LowerMiddle,
  LowerRight
}
- Public Slots inherited from QgsComposerItem
virtual void setRotation (double r)
void repaint ()
- Signals inherited from QgsComposerItem
void rotationChanged (double newRotation)
 Is emitted on rotation change to notify north arrow pictures.
void itemChanged ()
 Used e.g.

Detailed Description

A class to display feature attributes in the print composer.

Definition at line 28 of file qgscomposertable.h.


Constructor & Destructor Documentation

QgsComposerTable::QgsComposerTable ( QgsComposition composition)

Definition at line 22 of file qgscomposertable.cpp.

QgsComposerTable::~QgsComposerTable ( )
virtual

Definition at line 27 of file qgscomposertable.cpp.


Member Function Documentation

void QgsComposerTable::adaptItemFrame ( const QMap< int, double > &  maxWidthMap,
const QList< QgsAttributeMap > &  attributeList 
)
protected

Adapts the size of the item frame to match the content.

Definition at line 207 of file qgscomposertable.cpp.

References QgsComposerItem::fontAscentMillimeters(), mContentFont, mGridStrokeWidth, mHeaderFont, mLineTextDistance, and QgsComposerItem::setSceneRect().

Referenced by adjustFrameToSize(), and paint().

void QgsComposerTable::adjustFrameToSize ( )

Adapts the size of the frame to match the content.

This is normally done in the paint method, but sometimes \ it needs to be done before the first render

Definition at line 113 of file qgscomposertable.cpp.

References adaptItemFrame(), calculateMaxColumnWidths(), and getFeatureAttributes().

bool QgsComposerTable::calculateMaxColumnWidths ( QMap< int, double > &  maxWidthMap,
const QList< QgsAttributeMap > &  attributeList 
) const
protectedvirtual

Calculate the maximum width values of the vector attributes.

Definition at line 171 of file qgscomposertable.cpp.

References getHeaderLabels(), mContentFont, mHeaderFont, and QgsComposerItem::textWidthMillimeters().

Referenced by adjustFrameToSize(), and paint().

QFont QgsComposerTable::contentFont ( ) const
inline

Definition at line 50 of file qgscomposertable.h.

void QgsComposerTable::drawHorizontalGridLines ( QPainter *  p,
int  nAttributes 
)
protected
void QgsComposerTable::drawVerticalGridLines ( QPainter *  p,
const QMap< int, double > &  maxWidthMap 
)
protected

Definition at line 243 of file qgscomposertable.cpp.

References mGridStrokeWidth, and mLineTextDistance.

Referenced by paint().

virtual bool QgsComposerTable::getFeatureAttributes ( QList< QgsAttributeMap > &  attributes)
inlineprotectedvirtual

Retrieves feature attributes.

Reimplemented in QgsComposerAttributeTable, and QgsComposerTextTable.

Definition at line 77 of file qgscomposertable.h.

Referenced by adjustFrameToSize(), and paint().

virtual QMap<int, QString> QgsComposerTable::getHeaderLabels ( ) const
inlineprotectedvirtual

Reimplemented in QgsComposerAttributeTable, and QgsComposerTextTable.

Definition at line 78 of file qgscomposertable.h.

Referenced by calculateMaxColumnWidths(), and paint().

QColor QgsComposerTable::gridColor ( ) const
inline

Definition at line 59 of file qgscomposertable.h.

double QgsComposerTable::gridStrokeWidth ( ) const
inline

Definition at line 56 of file qgscomposertable.h.

QFont QgsComposerTable::headerFont ( ) const
inline

Definition at line 47 of file qgscomposertable.h.

double QgsComposerTable::lineTextDistance ( ) const
inline

Definition at line 44 of file qgscomposertable.h.

void QgsComposerTable::paint ( QPainter *  painter,
const QStyleOptionGraphicsItem *  itemStyle,
QWidget *  pWidget 
)
virtual
virtual bool QgsComposerTable::readXML ( const QDomElement &  itemElem,
const QDomDocument &  doc 
)
pure virtual

sets state from Dom document

Parameters:
itemElemis Dom node corresponding to item tag
docis Dom document

Implements QgsComposerItem.

Implemented in QgsComposerAttributeTable, and QgsComposerTextTable.

void QgsComposerTable::setContentFont ( const QFont &  f)
inline

Definition at line 49 of file qgscomposertable.h.

void QgsComposerTable::setGridColor ( const QColor &  c)
inline

Definition at line 58 of file qgscomposertable.h.

void QgsComposerTable::setGridStrokeWidth ( double  w)
inline

Definition at line 55 of file qgscomposertable.h.

void QgsComposerTable::setHeaderFont ( const QFont &  f)
inline

Definition at line 46 of file qgscomposertable.h.

void QgsComposerTable::setLineTextDistance ( double  d)
inline

Definition at line 43 of file qgscomposertable.h.

void QgsComposerTable::setShowGrid ( bool  show)
inline

Definition at line 52 of file qgscomposertable.h.

bool QgsComposerTable::showGrid ( ) const
inline

Definition at line 53 of file qgscomposertable.h.

bool QgsComposerTable::tableReadXML ( const QDomElement &  itemElem,
const QDomDocument &  doc 
)
protected
bool QgsComposerTable::tableWriteXML ( QDomElement &  itemElem,
QDomDocument &  doc 
) const
protected
virtual int QgsComposerTable::type ( ) const
inlinevirtual

return correct graphics item type.

Added in v1.7

Reimplemented from QgsComposerItem.

Reimplemented in QgsComposerAttributeTable, and QgsComposerTextTable.

Definition at line 35 of file qgscomposertable.h.

References QgsComposerItem::ComposerTable.

virtual bool QgsComposerTable::writeXML ( QDomElement &  elem,
QDomDocument &  doc 
) const
pure virtual

stores state in Dom element

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

Implements QgsComposerItem.

Implemented in QgsComposerAttributeTable, and QgsComposerTextTable.


Member Data Documentation

QFont QgsComposerTable::mContentFont
protected
QColor QgsComposerTable::mGridColor
protected

Definition at line 74 of file qgscomposertable.h.

Referenced by paint(), tableReadXML(), and tableWriteXML().

double QgsComposerTable::mGridStrokeWidth
protected
QFont QgsComposerTable::mHeaderFont
protected
double QgsComposerTable::mLineTextDistance
protected
bool QgsComposerTable::mShowGrid
protected

Definition at line 72 of file qgscomposertable.h.

Referenced by paint(), tableReadXML(), and tableWriteXML().


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