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qgslegendgroup.cpp
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qgslegendgroup.cpp
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/***************************************************************************
qgslegendgroup.cpp
---------------------
begin : January 2007
copyright : (C) 2007 by Martin Dobias
email : wonder.sk at gmail.com
***************************************************************************
* *
* 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 "qgsapplication.h"
#include "qgisapp.h"
#include "qgslegendgroup.h"
#include "qgslegendlayer.h"
#include <QCoreApplication>
#include <QIcon>
QgsLegendGroup::QgsLegendGroup( QTreeWidgetItem * theItem, QString theName )
: QgsLegendItem( theItem, theName )
{
mType = LEGEND_GROUP;
setFlags( Qt::ItemIsEditable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
setCheckState( 0, Qt::Checked );
QIcon myIcon = QgisApp::getThemeIcon( "/mActionFolder.png" );
setIcon( 0, myIcon );
}
QgsLegendGroup::QgsLegendGroup( QTreeWidget* theListView, QString theString )
: QgsLegendItem( theListView, theString )
{
mType = LEGEND_GROUP;
setFlags( Qt::ItemIsEditable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
setCheckState( 0, Qt::Checked );
QIcon myIcon = QgisApp::getThemeIcon( "/mActionFolder.png" );
setIcon( 0, myIcon );
}
QgsLegendGroup::QgsLegendGroup( QString name ): QgsLegendItem()
{
mType = LEGEND_GROUP;
setFlags( Qt::ItemIsEditable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable );
setCheckState( 0, Qt::Checked );
QIcon myIcon = QgisApp::getThemeIcon( + "/mActionFolder.png" );
setText( 0, name );
setIcon( 0, myIcon );
}
QgsLegendGroup::~QgsLegendGroup()
{}
bool QgsLegendGroup::insert( QgsLegendItem* theItem )
{
if ( theItem->type() == LEGEND_GROUP ||
theItem->type() == LEGEND_LAYER )
{
// Always insert at top of list
insertChild( 0, theItem );
}
// XXX - mloskot - I don't know what to return
// but this function must return a value
return true;
}
QList<QgsLegendLayer*> QgsLegendGroup::legendLayers( bool recurse )
{
QList<QgsLegendLayer*> result;
for ( int i = 0; i < childCount(); ++i )
{
QgsLegendLayer *layer = dynamic_cast<QgsLegendLayer *>( child( i ) );
if ( layer )
{
result.push_back( layer );
}
if ( !recurse )
continue;
QgsLegendGroup *group = dynamic_cast<QgsLegendGroup *>( child( i ) );
if ( group )
{
result << group->legendLayers( true );
}
}
return result;
}
Qt::CheckState QgsLegendGroup::pendingCheckState()
{
QList<QgsLegendItem *> elements;
for ( int i = 0; i < childCount(); i++ )
{
QgsLegendItem *li = dynamic_cast<QgsLegendItem *>( child( i ) );
if ( !li )
continue;
if ( dynamic_cast<QgsLegendGroup *>( li ) || dynamic_cast<QgsLegendLayer *>( li ) )
{
elements << li;
}
}
if ( elements.isEmpty() )
return Qt::PartiallyChecked;
Qt::CheckState theState = elements[0]->checkState( 0 );
foreach( QgsLegendItem * li, elements )
{
if ( theState != li->checkState( 0 ) )
{
theState = Qt::PartiallyChecked;
break;
}
}
return theState;
}