compound_widget_item.cpp

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/*
 * Copyright (c) 2011, Willow Garage, Inc.
 * All rights reserved.
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 *       this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#include <ros/ros.h> // just for ROS_ASSERT

#include <QLineEdit>

#include "rviz/properties/compound_widget_item.h"
#include "rviz/properties/property.h"
#include "rviz/properties/property_tree_widget.h"

namespace rviz
{

CompoundWidgetItem::CompoundWidgetItem( PropertyBase* property,
                                        const std::string& label,
                                        bool editable )
  : PropertyWidgetItem( property, label, editable )
{
}

void CompoundWidgetItem::updateText()
{
  if( childCount() > 0 )
  {
    QString new_text = child( 0 )->data( 1, Qt::UserRole ).toString();

    for( int i = 1; i < childCount(); i++ )
    {
      new_text += "; " + child( i )->data( 1, Qt::UserRole ).toString();
    }

    bool ign = getProperty()->getPropertyTreeWidget()->setIgnoreChanges( true );
    setText( 1, new_text );
    setData( 1, Qt::UserRole, new_text );
    getProperty()->getPropertyTreeWidget()->setIgnoreChanges( ign );
  }
}

bool CompoundWidgetItem::setModelData( QWidget* editor )
{
  QLineEdit* line_edit = qobject_cast<QLineEdit *>( editor );
  ROS_ASSERT( line_edit );

  if( !line_edit->isModified() )
  {
    return true;
  }

  bool ign = getProperty()->getPropertyTreeWidget()->setIgnoreChanges( true );

  QStringList texts = line_edit->text().split( QRegExp( "\\s*;\\s*" ));
  for( int i = 0; i < childCount() && i < texts.size(); i++ )
  {
    QVariant orig_data = child( i )->data( 1, Qt::UserRole );
    QVariant new_data = texts.at( i );
    new_data.convert( orig_data.type() );
    child( i )->setData( 1, Qt::UserRole, new_data );
    child( i )->setText( 1, new_data.toString() );
  }

  getProperty()->getPropertyTreeWidget()->setIgnoreChanges( ign );

  emitDataChanged();

  return true;
}

} // end namespace rviz