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StructureViewPanel.java

/* *******************************************************************
 * Copyright (c) 1999-2001 Xerox Corporation, 
 *               2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/epl-v10.html 
 *  
 * Contributors: 
 *     Xerox/PARC     initial implementation
 *     Helen Hawkins  Converted to new interface (bug 148190)  
 * ******************************************************************/


package org.aspectj.ajde.ui.swing;

import java.awt.BorderLayout;
import java.awt.Color;
import java.util.Iterator;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;

import org.aspectj.ajde.Ajde;
import org.aspectj.ajde.ui.FileStructureView;
import org.aspectj.ajde.ui.IStructureViewNode;
import org.aspectj.ajde.ui.StructureView;
import org.aspectj.ajde.ui.StructureViewRenderer;
import org.aspectj.asm.IProgramElement;
import org.aspectj.bridge.IMessage;
import org.aspectj.bridge.Message;

/**
 * Represents the configuration of a structure view of the system, rendered
 * by the <CODE>StructureTreeManager</CODE>.
 *
 * @author Mik Kersten
 */
00043 public class StructureViewPanel extends JPanel implements StructureViewRenderer {

      private static final long serialVersionUID = 7549744200612883786L;
      protected StructureTreeManager treeManager = new StructureTreeManager();
    protected StructureView currentView = null;
//    private java.util.List structureViews = null;

    protected Border border1;
    protected Border border2;
    JScrollPane tree_ScrollPane = new JScrollPane();
    JPanel structureToolBar_panel = null;
    BorderLayout borderLayout1 = new BorderLayout();

      public StructureViewPanel(FileStructureView structureView) {
      currentView = structureView;
            initView(structureView);
            structureToolBar_panel = new SimpleStructureViewToolPanel(currentView);
            init();
      }

      public StructureViewPanel(java.util.List structureViews) {
//          this.structureViews = structureViews;

            for (Iterator it = structureViews.iterator(); it.hasNext(); ) {
                  initView((StructureView)it.next());
            }
            currentView = (StructureView)structureViews.get(0);
            structureToolBar_panel = new BrowserStructureViewToolPanel(structureViews, currentView, this);
            init();
      }
      
      private void init() {
            try {
                  jbInit();
            } catch (Exception e) {
            Message msg = new Message("Could not initialize view panel.",IMessage.ERROR,e,null);
            Ajde.getDefault().getMessageHandler().handleMessage(msg);
            }
            updateView(currentView);
      }

      public void setCurrentView(StructureView view) {
            currentView = view;
            treeManager.updateTree(view);
      }

00089     public void updateView(StructureView structureView) {
      if (structureView == currentView) {
            treeManager.updateTree(structureView); 
      }  
    }

      private void initView(StructureView view) {
            view.setRenderer(this);
      }

00099       public void setActiveNode(IStructureViewNode node) {
            setActiveNode(node, 0);
      }

00103       public void setActiveNode(IStructureViewNode node, int lineOffset) {
            if (node == null) return;
//          if (!(node.getStructureNode() instanceof IProgramElement)) return;
            IProgramElement pNode = node.getStructureNode();
            treeManager.highlightNode(pNode);
            if (pNode.getSourceLocation() != null) {
                  Ajde.getDefault().getEditorAdapter().showSourceLine(
                        pNode.getSourceLocation().getSourceFile().getAbsolutePath(),
                        pNode.getSourceLocation().getLine() + lineOffset,
                        true
                  );
            }
      }

      public void highlightActiveNode() {
            if (currentView.getActiveNode() == null) return;
            IProgramElement node = currentView.getActiveNode().getStructureNode();
            if (node!=null) {
                  treeManager.highlightNode(node);
            }
      }

      protected void jbInit() {
        border1 = BorderFactory.createBevelBorder(BevelBorder.LOWERED,Color.white,Color.white,new Color(156, 156, 158),new Color(109, 109, 110));
        border2 = BorderFactory.createEmptyBorder(0,1,0,0);

        this.setLayout(borderLayout1);
        this.add(tree_ScrollPane, BorderLayout.CENTER);
        this.add(structureToolBar_panel, BorderLayout.NORTH);

        tree_ScrollPane.getViewport().add(treeManager.getStructureTree(), null);
      }
}

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