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qgsaction.cpp
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qgsaction.cpp
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/***************************************************************************
qgsaction.cpp - QgsAction
---------------------
begin : 18.4.2016
copyright : (C) 2016 by Matthias Kuhn
email : matthias@opengis.ch
***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "qgsaction.h"
#include <QDesktopServices>
#include <QFileInfo>
#include <QUrl>
#include "qgspythonrunner.h"
#include "qgsrunprocess.h"
#include "qgsexpressioncontext.h"
#include "qgsvectorlayer.h"
#include "qgslogger.h"
bool QgsAction::runable() const
{
return mType == Generic ||
mType == GenericPython ||
mType == OpenUrl ||
#if defined(Q_OS_WIN)
mType == Windows
#elif defined(Q_OS_MAC)
mType == Mac
#else
mType == Unix
#endif
;
}
void QgsAction::run( QgsVectorLayer *layer, const QgsFeature &feature, const QgsExpressionContext &expressionContext ) const
{
QgsExpressionContext actionContext( expressionContext );
actionContext << QgsExpressionContextUtils::layerScope( layer );
actionContext.setFeature( feature );
run( actionContext );
}
void QgsAction::run( const QgsExpressionContext &expressionContext ) const
{
if ( !isValid() )
{
QgsDebugMsg( "Invalid action cannot be run" );
return;
}
QString expandedAction = QgsExpression::replaceExpressionText( mCommand, &expressionContext );
if ( mType == QgsAction::OpenUrl )
{
QFileInfo finfo( expandedAction );
if ( finfo.exists() && finfo.isFile() )
QDesktopServices::openUrl( QUrl::fromLocalFile( expandedAction ) );
else
QDesktopServices::openUrl( QUrl( expandedAction, QUrl::TolerantMode ) );
}
else if ( mType == QgsAction::GenericPython )
{
// TODO: capture output from QgsPythonRunner (like QgsRunProcess does)
QgsPythonRunner::run( expandedAction );
}
else
{
// The QgsRunProcess instance created by this static function
// deletes itself when no longer needed.
QgsRunProcess::create( expandedAction, mCaptureOutput );
}
}
QSet<QString> QgsAction::actionScopes() const
{
return mActionScopes;
}
void QgsAction::setActionScopes( const QSet<QString> &actionScopes )
{
mActionScopes = actionScopes;
}
void QgsAction::readXml( const QDomNode &actionNode )
{
QDomElement actionElement = actionNode.toElement();
QDomNodeList actionScopeNodes = actionElement.elementsByTagName( "actionScope" );
if ( actionScopeNodes.isEmpty() )
{
mActionScopes
<< QStringLiteral( "Canvas" )
<< QStringLiteral( "Field" )
<< QStringLiteral( "Feature" );
}
else
{
for ( int j = 0; j < actionScopeNodes.length(); ++j )
{
QDomElement actionScopeElem = actionScopeNodes.item( j ).toElement();
mActionScopes << actionScopeElem.attribute( "id" );
}
}
mType = static_cast< QgsAction::ActionType >( actionElement.attributeNode( QStringLiteral( "type" ) ).value().toInt() );
mDescription = actionElement.attributeNode( QStringLiteral( "name" ) ).value();
mCommand = actionElement.attributeNode( QStringLiteral( "action" ) ).value();
mIcon = actionElement.attributeNode( QStringLiteral( "icon" ) ).value();
mCaptureOutput = actionElement.attributeNode( QStringLiteral( "capture" ) ).value().toInt() != 0;
mShortTitle = actionElement.attributeNode( QStringLiteral( "shortTitle" ) ).value();
mNotificationMessage = actionElement.attributeNode( QStringLiteral( "notificationMessage" ) ).value();
mId = QUuid( actionElement.attributeNode( QStringLiteral( "id" ) ).value() );
if ( mId.isNull() )
mId = QUuid::createUuid();
}
void QgsAction::writeXml( QDomNode &actionsNode ) const
{
QDomElement actionSetting = actionsNode.ownerDocument().createElement( QStringLiteral( "actionsetting" ) );
actionSetting.setAttribute( QStringLiteral( "type" ), mType );
actionSetting.setAttribute( QStringLiteral( "name" ), mDescription );
actionSetting.setAttribute( QStringLiteral( "shortTitle" ), mShortTitle );
actionSetting.setAttribute( QStringLiteral( "icon" ), mIcon );
actionSetting.setAttribute( QStringLiteral( "action" ), mCommand );
actionSetting.setAttribute( QStringLiteral( "capture" ), mCaptureOutput );
actionSetting.setAttribute( QStringLiteral( "notificationMessage" ), mNotificationMessage );
actionSetting.setAttribute( QStringLiteral( "id" ), mId.toString() );
Q_FOREACH ( const QString &scope, mActionScopes )
{
QDomElement actionScopeElem = actionsNode.ownerDocument().createElement( "actionScope" );
actionScopeElem.setAttribute( "id", scope );
actionSetting.appendChild( actionScopeElem );
}
actionsNode.appendChild( actionSetting );
}