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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.
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/* *******************************************************************
 * 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 v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     Xerox/PARC     initial implementation
 *     Helen Hawkins  Converted to new interface (bug 148190)
 * ******************************************************************/


package org.aspectj.ajde.ui.swing;

import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.AbstractAction;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;

import org.aspectj.ajde.Ajde;
import org.aspectj.asm.IProgramElement;

/**
 * @author  Mik Kersten
 */
class BrowserViewTreeListener implements TreeSelectionListener, MouseListener {
    private StructureTree tree = null;

    public BrowserViewTreeListener(StructureTree tree) {
        this.tree = tree;
    }

    public void valueChanged(TreeSelectionEvent e) { }

    public void mouseEntered(MouseEvent e) { }

    public void mouseExited(MouseEvent e) { }

    public void mousePressed(MouseEvent e) { }

    public void mouseReleased(MouseEvent e) { }

    public void mouseClicked(MouseEvent e) {
        singleClickNavigation(e);
		//doubleClickNavigation(e);
        maybeShowPopup(e);
    }

    public void singleClickNavigation(MouseEvent e) {
        SwingTreeViewNode treeNode = (SwingTreeViewNode)tree.getLastSelectedPathComponent();
        if (treeNode != null && !e.isControlDown() && !e.isShiftDown() && e.getModifiers() != 4) {
            IProgramElement currNode = (IProgramElement)treeNode.getUserObject();
            if (currNode!=null && !e.isControlDown()
                && !e.isShiftDown() && e.getModifiers() != 4) {
                //AjdeUIManager.getDefault().getViewManager().showNodeInMasterView((ProgramElementNode)currNode);
                //if (AjdeUIManager.getDefault().getViewManager().isSplitViewMode()) {
                //    AjdeUIManager.getDefault().getViewManager().showNodeInSlaveView((ProgramElementNode)currNode);
                //}
            }
//            	else if (currNode instanceof LinkNode) {
                //if (!AjdeUIManager.getDefault().getViewManager().isSplitViewMode()) {
                //    AjdeUIManager.getDefault().getViewManager().showNodeInMasterView((LinkNode)currNode);
                //} else {
                //    AjdeUIManager.getDefault().getViewManager().showNodeInSlaveView(((LinkNode)currNode).getProgramElementNode());
                //}
//           }
        }
    }

        public void doubleClickNavigation(MouseEvent e) {
//            int clickCount = e.getClickCount();
            SwingTreeViewNode treeNode = (SwingTreeViewNode)tree.getLastSelectedPathComponent();
            if (treeNode != null) {
                IProgramElement currNode = (IProgramElement)treeNode.getUserObject();
                if (currNode!=null && !e.isControlDown() && !e.isShiftDown()
                    && e.getModifiers() != 4) {
                    //AjdeUIManager.getDefault().getViewManager().showNodeInMasterView(((LinkNode)currNode).getProgramElementNode());
                    //AjdeUIManager.getDefault().getViewManager().showNodeInSlaveView(((LinkNode)currNode).getProgramElementNode());
                }
//                else if (currNode instanceof LinkNode) {
//                    if (clickCount == 1) {
//                        //AjdeUIManager.getDefault().getViewManager().showLink((LinkNode)currNode);
//                    } else if (clickCount == 2) {
//                        //navigationAction((ProgramElementNode)((LinkNode)currNode).getProgramElementNode(), true, true);
//                    }
//                }
            }
        }

    /**
     * @todo    this should probably use e.isPopupTrigger() but that
     * doesn't work for some reason, so we just check if the right mouse button
     * has been clicked.
     */
    private void maybeShowPopup(MouseEvent e) {
        if (e.getModifiers() == InputEvent.BUTTON3_MASK && tree.getSelectionCount() > 0) {
//            TreePath[] selectionPaths = tree.getSelectionPaths();
            final List signatures = new ArrayList();
//            for (int i = 0; i < selectionPaths.length; i++) {
//                IProgramElement currNode = (IProgramElement)((SwingTreeViewNode)selectionPaths[i].getLastPathComponent()).getUserObject();
////                if (currNode instanceof LinkNode || currNode instanceof IProgramElement) {
////                    signatures.add(currNode);
////                }
//            }

            JPopupMenu popup = new JPopupMenu();
            JMenuItem showSourcesItem = new JMenuItem("Display sources", Ajde.getDefault().getIconRegistry().getStructureSwingIcon(IProgramElement.Kind.CODE));
            showSourcesItem.setFont(new java.awt.Font("Dialog", 0, 11));
            showSourcesItem.addActionListener(new AbstractAction() {

				private static final long serialVersionUID = 1L;

				public void actionPerformed(ActionEvent e) {
                    //AjdeUIManager.getDefault().getViewManager().showSourcesNodes(signatures);
                    // USED THE FOLLOWING FROM: BrowserViewManager:
//					public void showSourcesNodes(java.util.List nodes) {
//						for (Iterator it = nodes.iterator(); it.hasNext(); ) {
//							ProgramElementNode currNode = null;
//							IProgramElement IProgramElement = (IProgramElement)it.next();
//							if (IProgramElement instanceof LinkNode) {
//								currNode = ((LinkNode)IProgramElement).getProgramElementNode();
//							} else {
//								currNode = (ProgramElementNode)IProgramElement;
//							}
//							ISourceLocation sourceLoc = currNode.getSourceLocation();
//							if (null != sourceLoc) {
//								Ajde.getDefault().getEditorManager().addViewForSourceLine(
//									sourceLoc.getSourceFile().getAbsolutePath(),
//									sourceLoc.getLine());
//							}
//						}
//					}

                }
            });
            popup.add(showSourcesItem);

            popup.addSeparator();
            JMenuItem generatePCD = new JMenuItem("Pointcut Wizard (alpha)...", Ajde.getDefault().getIconRegistry().getStructureSwingIcon(IProgramElement.Kind.POINTCUT));
            generatePCD.setFont(new java.awt.Font("Dialog", 0, 11));
            generatePCD.addActionListener(new AbstractAction() {

				private static final long serialVersionUID = 1L;

				public void actionPerformed(ActionEvent e) {
					Ajde.getDefault().getViewManager().extractAndInsertSignatures(signatures, true);
                }
            });
            popup.add(generatePCD);

            popup.show(e.getComponent(), e.getX(), e.getY());
        }
    }
}