EditContentRefAction.java example

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pentaho-reporting-master
/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.designer.core.actions.elements;

import org.pentaho.reporting.designer.core.actions.AbstractElementSelectionAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.util.table.ResourcePropertyEditor;
import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.designtime.ReportModelEventFilter;
import org.pentaho.reporting.engine.classic.core.designtime.ReportModelEventFilterFactory;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.metadata.AttributeMetaData;
import org.pentaho.reporting.libraries.designtime.swing.propertyeditors.CustomPropertyEditorDialog;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;

public class EditContentRefAction extends AbstractElementSelectionAction {
  private ReportModelEventFilter eventFilter;

  public EditContentRefAction() {
    putValue( Action.NAME, ActionMessages.getString( "EditContentRefAction.Text" ) );
    putValue( Action.SHORT_DESCRIPTION, ActionMessages.getString( "EditContentRefAction.Description" ) );
    putValue( Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic( "EditContentRefAction.Mnemonic" ) );
    putValue( Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke( "EditContentRefAction.Accelerator" ) );

    eventFilter = new ReportModelEventFilterFactory().createAttributeFilter
      ( AttributeNames.Core.NAMESPACE, AttributeNames.Core.ELEMENT_TYPE );
  }

  protected void selectedElementPropertiesChanged( final ReportModelEvent event ) {
    if ( eventFilter.isFilteredEvent( event ) ) {
      updateSelection();
    }
  }

  protected void updateSelection() {
    if ( isSingleElementSelection() == false ) {
      setEnabled( false );
      return;
    }
    final Object o = getSelectionModel().getLeadSelection();
    if ( o instanceof Element == false ) {
      setEnabled( false );
      return;
    }
    final Element e = (Element) o;
    final AttributeMetaData data = e.getElementType().getMetaData().getAttributeDescription
      ( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE );
    if ( data == null ) {
      setEnabled( false );
      return;
    }
    setEnabled( "Resource".equals( data.getValueRole() ) ); // NON-NLS
  }

  public void actionPerformed( final ActionEvent e ) {
    if ( isSingleElementSelection() == false ) {
      return;
    }
    final Object o = getSelectionModel().getLeadSelection();
    if ( o instanceof Element == false ) {
      return;
    }
    final Element element = (Element) o;
    final AttributeMetaData data = element.getElementType().getMetaData().getAttributeDescription
      ( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE );
    if ( data == null ) {
      return;
    }
    if ( "Resource".equals( data.getValueRole() ) == false ) // NON-NLS
    {
      return;
    }

    final CustomPropertyEditorDialog editorDialog;
    final Component window = getReportDesignerContext().getView().getParent();

    if ( window instanceof Frame ) {
      editorDialog = new CustomPropertyEditorDialog( (Frame) window );
    } else if ( window instanceof Dialog ) {
      editorDialog = new CustomPropertyEditorDialog( (Dialog) window );
    } else {
      editorDialog = new CustomPropertyEditorDialog();
    }
    editorDialog.setTitle( ActionMessages.getString( "EditContentRefAction.Text" ) );
    final ResourcePropertyEditor propertyEditor = new ResourcePropertyEditor( getActiveContext() );
    propertyEditor.setValue
      ( element.getAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE ) );
    if ( editorDialog.performEdit( propertyEditor ) ) {
      element.setAttribute
        ( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE, propertyEditor.getValue() );
    }

  }
}