?? autolayout.java
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package com.opensymphony.workflow.designer.actions;import java.awt.event.ActionEvent;import javax.swing.*;import com.opensymphony.workflow.designer.WorkflowGraph;import com.opensymphony.workflow.designer.WorkflowDesigner;import com.opensymphony.workflow.designer.event.WorkspaceListener;import com.opensymphony.workflow.designer.event.WorkspaceEvent;/** * @author Hani Suleiman (hani@formicary.net) * Date: May 20, 2003 * Time: 8:25:28 PM */public class AutoLayout extends AbstractAction implements WorkspaceListener{ private WorkflowGraph graph; /** * Create an auto layout action. * This action calls an auto layout algorithm on the specified graph. * @param graph the graph to autolayout. If the graph is null, then the currently * showing graph has auto layout applied to it. */ public AutoLayout(WorkflowGraph graph) { this.graph = graph; } public void actionPerformed(ActionEvent e) { if(graph==null) { WorkflowGraph selected = WorkflowDesigner.INSTANCE.getCurrentGraph(); if(selected!=null) selected.autoLayout(); } else { graph.autoLayout(); } } public void workspaceChanged(WorkspaceEvent event) { if(event.getId()==WorkspaceEvent.WORKSPACE_OPENED) { setEnabled(true); } else { setEnabled(false); } }}?? 快捷鍵說明
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