xworker.swt.xwidgets.QuickMenu Maven / Gradle / Ivy

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package xworker.swt.xwidgets;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TreeItem;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmeta.ActionContext;
import org.xmeta.Thing;

import xworker.swt.ActionContainer;
import xworker.swt.util.ResourceManager;
import xworker.swt.util.SwtUtils;

public class QuickMenu {
	private static Logger logger = LoggerFactory.getLogger(QuickMenu.class);
	private static SelectionListener listener = new SelectionListener(){

		@Override
		public void widgetDefaultSelected(SelectionEvent event) {
		}

		@Override
		public void widgetSelected(SelectionEvent event) {
			Thing thing = (Thing) event.widget.getData();			
			ActionContext actionContext = (ActionContext) event.widget.getData("actionContext");
			try{
				String actionContainer = thing.getStringBlankAsNull("actionContainer");
				String actionName = thing.getStringBlankAsNull("actionName");
				if(actionName != null && actionContainer != null){
					ActionContainer ac = (ActionContainer) actionContext.get(actionContainer);
					if(ac != null){
						ac.doAction(actionName, actionContext);
					}
				}else{
					thing.doAction("run", actionContext);
				}
			}catch(Exception e){
				logger.warn("QuickMenu selection error， path=" + thing.getMetadata().getPath(), e);
			}
		}		
	};
	Map items = new HashMap();
	
	public TreeItem getItem(String name){
		return items.get(name);
	}
	
	public void putItem(String name, TreeItem item){
		items.put(name, item);
	}
	
	public static void createQuickMenu(ActionContext actionContext){
		Thing self = (Thing) actionContext.get("self");
		
		Object parent = actionContext.get("parent");
		if(parent instanceof Shell){
			Shell shell = (Shell) parent;
			Menu menu = new Menu(shell, SWT.BAR);
			shell.setMenuBar(menu);
			
			actionContext.peek().put("menu", menu);
		}else{
			Menu menu = new Menu((Control) parent);			
			((Control) parent).setMenu(menu);
			actionContext.peek().put("menu", menu);
		}
		
		for(Thing child : self.getChilds("Menu")){
			child.doAction("create", actionContext);
		}
	}
	
	public static void createMenuItem(ActionContext actionContext){
		Thing self = (Thing) actionContext.get("self");
		Menu menu = (Menu) actionContext.get("menu");
		
		MenuItem item = null;
		List childs = self.getChilds("Menu"); 
		if(childs.size() > 0){
			item = new MenuItem(menu, SWT.CASCADE);
		}else if(self.getBoolean("seperator")){
			item = new MenuItem(menu, SWT.SEPARATOR);
		}else{
			item = new MenuItem(menu, SWT.PUSH);
		}
		
		item.setText(self.getMetadata().getLabel());
		item.setData(self);
		item.setData("actionContext", actionContext);
		item.addSelectionListener(listener);
		String icon = self.getStringBlankAsNull("icon");
		if(icon != null){
			Image image = (Image) ResourceManager.createIamge(icon, actionContext);
			if(image != null){
				item.setImage(image);
			}
		}
		String accelerator = self.getStringBlankAsNull("accelerator");
		if(accelerator != null){
			item.setAccelerator(SwtUtils.getAccelerator(accelerator));
		}
		
		if(childs.size() > 0){
			Menu childMenu = new Menu(item);
			item.setMenu(childMenu);
			actionContext.peek().put("menu", childMenu);
			
			for(Thing child : childs){
				child.doAction("create", actionContext);
			}
		}
	}
}