mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
111 lines
4.5 KiB
Plaintext
111 lines
4.5 KiB
Plaintext
class QgsMapToolIdentify : QgsMapTool
|
|
{
|
|
%TypeHeaderCode
|
|
#include <qgsmaptoolidentify.h>
|
|
%End
|
|
|
|
public:
|
|
|
|
enum IdentifyMode
|
|
{
|
|
DefaultQgsSetting,
|
|
ActiveLayer,
|
|
TopDownStopAtFirst,
|
|
TopDownAll,
|
|
LayerSelection
|
|
};
|
|
|
|
enum Type
|
|
{
|
|
VectorLayer,
|
|
RasterLayer,
|
|
AllLayers
|
|
};
|
|
typedef QFlags<QgsMapToolIdentify::Type> LayerType;
|
|
|
|
struct IdentifyResult
|
|
{
|
|
IdentifyResult();
|
|
|
|
IdentifyResult( QgsMapLayer * layer, const QgsFeature& feature, const QMap< QString, QString >& derivedAttributes );
|
|
|
|
IdentifyResult( QgsMapLayer * layer, const QString& label, const QMap< QString, QString >& attributes, const QMap< QString, QString >& derivedAttributes );
|
|
|
|
IdentifyResult( QgsMapLayer * layer, const QString& label, const QgsFields& fields, const QgsFeature& feature, const QMap< QString, QString >& derivedAttributes );
|
|
|
|
QgsMapLayer* mLayer;
|
|
QString mLabel;
|
|
QgsFields mFields;
|
|
QgsFeature mFeature;
|
|
QMap< QString, QString > mAttributes;
|
|
QMap< QString, QString > mDerivedAttributes;
|
|
QMap< QString, QVariant > mParams;
|
|
};
|
|
|
|
//! constructor
|
|
QgsMapToolIdentify( QgsMapCanvas * canvas );
|
|
|
|
virtual ~QgsMapToolIdentify();
|
|
|
|
//! Overridden mouse move event
|
|
virtual void canvasMoveEvent( QgsMapMouseEvent * e );
|
|
|
|
//! Overridden mouse press event
|
|
virtual void canvasPressEvent( QgsMapMouseEvent * e );
|
|
|
|
//! Overridden mouse release event
|
|
virtual void canvasReleaseEvent( QgsMapMouseEvent * e );
|
|
|
|
virtual void activate();
|
|
|
|
virtual void deactivate();
|
|
|
|
/** Performs the identification.
|
|
@param x x coordinates of mouseEvent
|
|
@param y y coordinates of mouseEvent
|
|
@param layerList Performs the identification within the given list of layers. Default value is an empty list, i.e. uses all the layers.
|
|
@param mode Identification mode. Can use Qgis default settings or a defined mode. Default mode is DefaultQgsSetting.
|
|
@return a list of IdentifyResult*/
|
|
QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, const QList<QgsMapLayer*>& layerList = QList<QgsMapLayer*>(), IdentifyMode mode = DefaultQgsSetting );
|
|
|
|
/** Performs the identification.
|
|
To avoid beeing forced to specify IdentifyMode with a list of layers
|
|
this has been made private and two publics methods are offered
|
|
@param x x coordinates of mouseEvent
|
|
@param y y coordinates of mouseEvent
|
|
@param mode Identification mode. Can use Qgis default settings or a defined mode.
|
|
@param layerType Only performs identification in a certain type of layers (raster, vector). Default value is AllLayers.
|
|
@return a list of IdentifyResult*/
|
|
QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, IdentifyMode mode, const LayerType& layerType = AllLayers );
|
|
|
|
//! return a pointer to the identify menu which will be used in layer selection mode
|
|
//! this menu can also be customized
|
|
QgsIdentifyMenu* identifyMenu();
|
|
|
|
public slots:
|
|
void formatChanged( QgsRasterLayer *layer );
|
|
|
|
signals:
|
|
void identifyProgress( int, int );
|
|
void identifyMessage( const QString& );
|
|
void changedRasterResults( QList<QgsMapToolIdentify::IdentifyResult>& );
|
|
|
|
protected:
|
|
/** Performs the identification.
|
|
To avoid beeing forced to specify IdentifyMode with a list of layers
|
|
this has been made private and two publics methods are offered
|
|
@param x x coordinates of mouseEvent
|
|
@param y y coordinates of mouseEvent
|
|
@param mode Identification mode. Can use Qgis default settings or a defined mode.
|
|
@param layerList Performs the identification within the given list of layers.
|
|
@param layerType Only performs identification in a certain type of layers (raster, vector).
|
|
@return a list of IdentifyResult*/
|
|
QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, IdentifyMode mode, const QList<QgsMapLayer*>& layerList, const LayerType& layerType = AllLayers );
|
|
|
|
/** Call the right method depending on layer type */
|
|
bool identifyLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsMapLayer *layer, const QgsPoint& point, const QgsRectangle& viewExtent, double mapUnitsPerPixel, const LayerType& layerType = AllLayers );
|
|
|
|
bool identifyRasterLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsRasterLayer *layer, QgsPoint point, const QgsRectangle& viewExtent, double mapUnitsPerPixel );
|
|
bool identifyVectorLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsVectorLayer *layer, const QgsPoint& point );
|
|
};
|