QGIS/python/core/qgsactionmanager.sip

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/***************************************************************************
qgsactionmanager.sip
These classes store and control the management and execution of actions
associated with a particular Qgis layer. Actions are defined to be
external programs that are run with user-specified inputs that can
depend on the contents of layer attributes.
-------------------
begin : Oct 24 2004
copyright : (C) 2004 by Gavin Macaulay
email : gavin at macaulay dot co dot nz
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/** \class QgsActionManager
* \brief Storage and management of actions associated with Qgis layer
* attributes.
*/
class QgsActionManager
{
%TypeHeaderCode
#include <qgsactionmanager.h>
%End
public:
//! Constructor
QgsActionManager( QgsVectorLayer *layer );
//! Destructor
virtual ~QgsActionManager();
/** Add an action with the given name and action details.
* Will happily have duplicate names and actions. If
* capture is true, when running the action using doAction(),
* any stdout from the process will be captured and displayed in a
* dialog box.
*/
QUuid addAction(QgsAction::ActionType type, const QString& name, const QString& command, bool capture = false );
/** Add an action with the given name and action details.
* Will happily have duplicate names and actions. If
* capture is true, when running the action using doAction(),
* any stdout from the process will be captured and displayed in a
* dialog box.
*/
QUuid addAction(QgsAction::ActionType type, const QString& name, const QString& command, const QString& icon, bool capture = false );
/**
* Add a new action to this list.
*/
void addAction( const QgsAction& action );
/**
* Remove an action by its id.
*
* @note Added in QGIS 3.0
*/
void removeAction( const QUuid& actionId );
/** Does the given values. defaultValueIndex is the index of the
* field to be used if the action has a $currfield placeholder.
* @note available in python bindings as doActionFeature
*/
void doAction(const QUuid& actionId, const QgsFeature& feature, int defaultValueIndex = 0 ) /PyName=doActionFeature/;
/** Does the action using the expression engine to replace any embedded expressions
* in the action definition.
* @param actionId action id
* @param feature feature to run action for
* @param context expression context to evaluate expressions under
*/
void doAction( const QUuid& actionId, const QgsFeature& feature, const QgsExpressionContext& context );
//! Removes all actions
void clearActions();
/**
* Return a list of actions that are available in the given action scope.
* If no action scope is provided, all actions will be returned.
*/
QList<QgsAction> actions( const QString& actionScope = QString() ) const;
//! Return the layer
QgsVectorLayer* layer() const;
//! Writes the actions out in XML format
bool writeXml( QDomNode& layer_node ) const;
//! Reads the actions in in XML format
bool readXml( const QDomNode& layer_node );
/**
* Get an action by its id.
*
* @note Added in QGIS 3.0
*/
QgsAction action( const QUuid& id );
/**
* Each scope can have a default action. This will be saved in the project
* file.
*
* @note Added in QGIS 3.0
*/
void setDefaultAction( const QString& actionScope, const QUuid& actionId );
/**
* Each scope can have a default action. This will be saved in the project
* file.
*
* @note Added in QGIS 3.0
*/
QgsAction defaultAction( const QString& actionScope );
};