systemmenudetachex.java

对eclipse gef进行封装,可以生成图形化编辑器

/*******************************************************************************
 * $Header: /cvsroot/EOS6/work_dir/niegy/com.primeton.studio.gef.ui/src/com/primeton/studio/gef/ui/action/SystemMenuDetachEx.java,v 1.1 2006/11/17 03:15:13 niegy Exp $
 * $Revision: 1.1 $
 * $Date: 2006/11/17 03:15:13 $
 *
 *==============================================================================
 *
 * Copyright (c) 2001-2006 Primeton Technologies, Ltd.
 * All rights reserved. 
 * 
 * Created on 2006-10-26
 *******************************************************************************/


package com.primeton.studio.gef.ui.action;

import org.eclipse.ui.internal.ViewPane;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPage;
import org.eclipse.ui.internal.presentations.ISelfUpdatingAction;
import org.eclipse.ui.internal.presentations.PresentationFactoryUtil;
import org.eclipse.ui.presentations.IPresentablePart;
import org.eclipse.ui.presentations.IStackPresentationSite;

import com.primeton.studio.gef.ui.properties.PropertySheetActionEx;
import com.primeton.studio.gef.ui.properties.PropertySheetViewerEx;

/**
 * TODO此处填写 class 信息
 *
 * @author niegy (mailto:[e-mail])
 */
/*
 * 修改历史
 * $Log: SystemMenuDetachEx.java,v $
 * Revision 1.1  2006/11/17 03:15:13  niegy
 * create
 * 
 */
public class SystemMenuDetachEx extends PropertySheetActionEx implements ISelfUpdatingAction{

    private ViewPane viewPane;
//    private IStackPresentationSite site;
    private WorkbenchPage page;
    private boolean fIsDetach;

    public SystemMenuDetachEx(PropertySheetViewerEx viewer, boolean isDetach){//,IStackPresentationSite site) {
        super(viewer,"Detach");
//        this.site = site;
        setText(WorkbenchMessages.PartPane_detach);
        fIsDetach = isDetach;
        if(isDetach){
            setChecked(false);
            setText("Attach");
        }
        else{
            setChecked(true);
            setText("Detach");
        }
            
        update();
    }
    
    public void update() {
//        IPresentablePart presentablePart = site.getSelectedPart();
//        setEnabled(presentablePart != null && site.isPartMoveable(presentablePart));
        if(viewPane != null){
            setChecked(!viewPane.isDocked());
            page = viewPane.getPage();
        }
    }
    
    public boolean shouldBeVisible() {
        if(page != null) {
            return page.getActivePerspective().getPresentation().canDetach();
        }
        return false;
    }
    
    public void dispose() {
//        site = null;
    }

    public void setPane(ViewPane current){
        viewPane = current;
        update();
    }
        
    public void run() {
        if(fIsDetach){
            setChecked(false);
            setText("Detach");
            viewPane.doAttach();
            fIsDetach = ! fIsDetach;
        }
        else{
            setChecked(true);
            setText("Attach");
            viewPane.doDetach();   
            fIsDetach = ! fIsDetach;
        }
//            if(!isChecked()){
//                viewPane.doDetach();   
//            }
//            else{
//                viewPane.doAttach();
//
//            }
    }

}