ide/xml.multiview/src/org/netbeans/modules/xml/multiview/ToolBarMultiViewElement.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.netbeans.modules.xml.multiview;

import org.netbeans.core.spi.multiview.CloseOperationState;
import org.netbeans.core.spi.multiview.MultiViewFactory;
import org.netbeans.modules.xml.multiview.ui.SectionView;
import org.netbeans.modules.xml.multiview.ui.ToolBarDesignEditor;
import org.openide.loaders.DataObject;
import org.openide.util.WeakListeners;
import org.openide.util.lookup.ProxyLookup;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;

/**
 * An implementation of <code>MultiViewElement</code> that is specific to 
 * <code>XmlMultiViewDataObject</code>. 
 *
 * @see org.netbeans.modules.xml.multiview.ui.ToolBarDesignEditor
 *
 * Created on October 5, 2004, 1:35 PM
 * @author  mkuchtiak
 */
public abstract class ToolBarMultiViewElement extends AbstractMultiViewElement {
    private ToolBarDesignEditor editor;
    
    private PropertyChangeListener listener = new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (DataObject.PROP_MODIFIED.equals(evt.getPropertyName()) && editor != null) {
                Utils.runInAwtDispatchThread(new Runnable() {
                    public void run() {
                        if (null != callback){
                            callback.getTopComponent().setDisplayName(dObj.getEditorSupport().messageName());
                            callback.getTopComponent().setHtmlDisplayName(dObj.getEditorSupport().messageHtmlName());
                            callback.getTopComponent().setToolTipText(dObj.getEditorSupport().messageToolTip());
                        }
                    }
                });
            }
        }
    };
    
    public ToolBarMultiViewElement(final XmlMultiViewDataObject dObj) {
        super(dObj);
        dObj.addPropertyChangeListener(WeakListeners.propertyChange(listener, dObj));
    }
    
    protected void setVisualEditor(ToolBarDesignEditor editor) {
        this.editor=editor;
    }
    
    public CloseOperationState canCloseElement() {
        if (!editorValidate()) {
            return MultiViewFactory.createUnsafeCloseState(ToolBarDesignEditor.PROPERTY_FLUSH_DATA, null, null);
        } else {
            return super.canCloseElement();
        }
    }
    
    private boolean editorValidate() {
        try {
            editor.fireVetoableChange(ToolBarDesignEditor.PROPERTY_FLUSH_DATA, this, null);
            return true;
        } catch (PropertyVetoException e) {
            return false;
        }
    }
    
    public void componentActivated() {
        editor.componentActivated();
    }
    
    public void componentClosed() {
        editor.componentClosed();
    }
    
    public void componentDeactivated() {
        editor.componentDeactivated();
    }
    
    public void componentHidden() {
        editor.componentHidden();
        dObj.setActiveMultiViewElement(null);
    }
    
    public void componentOpened() {
        editor.componentOpened();
    }
    
    public void componentShowing() {
        if (editorValidate()) {
            editor.componentShowing();
            dObj.setActiveMultiViewElement(this);
        }
    }
    
    public org.openide.util.Lookup getLookup() {
        return new ProxyLookup(new org.openide.util.Lookup[] {
            dObj.getNodeDelegate().getLookup()
        });
    }
    
    public javax.swing.JComponent getToolbarRepresentation() {
        return editor.getStructureView();
    }
    
    public javax.swing.JComponent getVisualRepresentation() {
        return editor;
    }
    /** Enable to get the SectionView included in this MultiView Element
     */
    public abstract SectionView getSectionView();
    
}