xworker.swt.util.SwtDialog Maven / Gradle / Ivy

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/*******************************************************************************
* Copyright 2007-2013 See AUTHORS file.
 * 
* Licensed 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 xworker.swt.util;

import ognl.OgnlException;

import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.xmeta.ActionContext;
import org.xmeta.ActionException;
import org.xmeta.Thing;
import org.xmeta.World;
import org.xmeta.util.UtilData;
import org.xmeta.util.UtilString;

public class SwtDialog extends Dialog{
	Shell shell;
	ActionContext actionContext;
	
	public SwtDialog(Shell shell, ActionContext actionContext){		
		super((Shell) shell.getParent());
		
		this.actionContext = actionContext;
		this.shell = shell;
	}
	
	public SwtDialog(Shell parent, Shell shell, ActionContext actionContext) {
		super(parent);

		this.actionContext = actionContext;
		this.shell = shell;
	}

	public Object open(){
		Shell parent = getParent();        
        shell.open();
        
        Display display = parent.getDisplay();
        try{
	        while (!shell.isDisposed()) {        	
	                if (!display.readAndDispatch()) display.sleep();
	        }
        }catch(Exception e){        	
        }
        
        return actionContext.get("result");

	}
	
	public static Object open(Shell shell, ActionContext actionContext){
		SwtDialog dialog = new SwtDialog(shell, actionContext);
		return dialog.open();
	}
	
	/**
	 * 打开对话框的动作。
	 * 
	 * @param actionContext
	 * @return
	 * @throws OgnlException 
	 */
	public static Object openDialogAction(ActionContext actionContext) throws OgnlException{
		Thing self = (Thing) actionContext.get("self");
		
		Shell parentShell = (Shell) UtilData.getData(self, "parentShell", actionContext);
		String shellPath = UtilString.getString(self, "shellPath", actionContext);
		String vars = UtilString.getString(self, "vars", actionContext);
		
		ActionContext ac = new ActionContext();
		if(vars != null && !"".equals(vars)){
			for(String var : vars.split("[,]")){
				ac.put(var, actionContext.get(var));
			}
		}
		
		ac.put("parent", parentShell);
		
		Thing shellThing = World.getInstance().getThing(shellPath);
		if(shellThing == null){
			throw new ActionException("Shell thing is null, shellPath=" + shellPath + ", actionPath=" + self.getMetadata().getPath());			
		}
		
		Shell shell = (Shell) shellThing.doAction("create", ac);
		SwtDialog dialog = new SwtDialog(parentShell, shell, ac);
		return dialog.open();		
	}
}