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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.MouseListener;
import java.util.ArrayList;

import javax.swing.SwingUtilities;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

import org.aspectj.ajde.Ajde;
import org.aspectj.ajde.ui.AbstractIcon;
import org.aspectj.ajde.ui.GlobalStructureView;
import org.aspectj.ajde.ui.IStructureViewNode;
import org.aspectj.ajde.ui.StructureView;
import org.aspectj.ajde.ui.StructureViewProperties;
import org.aspectj.asm.IHierarchy;
import org.aspectj.asm.IProgramElement;
import org.aspectj.bridge.IMessage;
import org.aspectj.bridge.Message;

/**
 * @author Mik Kersten
 */
class StructureTreeManager {

	private StructureTree structureTree;
	private SwingTreeViewNodeRenderer cellRenderer = null;
	private TreeSelectionListener treeListener = null;

	private final StructureTreeModel NO_STRUCTURE_MODEL = new StructureTreeModel(new SwingTreeViewNode(IHierarchy.NO_STRUCTURE,
			new AbstractIcon(null), new ArrayList()));

	/**
	 * @todo should probably avoid that MouseListener cast
	 */
	public StructureTreeManager() {
		structureTree = new StructureTree();
		structureTree.setModel(NO_STRUCTURE_MODEL);
		cellRenderer = new SwingTreeViewNodeRenderer();
		structureTree.setCellRenderer(cellRenderer);
		// if (fileView) {
		treeListener = new StructureViewTreeListener(structureTree);
		// } else {
		// treeListener = new BrowserViewTreeListener(structureTree);
		// }
		structureTree.addTreeSelectionListener(treeListener);
		structureTree.addMouseListener((MouseListener) treeListener);
	}

	public void highlightNode(IProgramElement node) {
		highlightNode((SwingTreeViewNode) structureTree.getModel().getRoot(), node);
	}

	public IProgramElement getSelectedIProgramElement() {
		return (IProgramElement) ((SwingTreeViewNode) structureTree.getLastSelectedPathComponent()).getUserObject();
	}

	public void scrollToHighlightedNode() {
		structureTree.scrollPathToVisible(structureTree.getSelectionPath());
	}

	private void highlightNode(SwingTreeViewNode parent, IProgramElement node) {
		for (int i = 0; i < parent.getChildCount(); i++) {
			SwingTreeViewNode currNode = (SwingTreeViewNode) parent.getChildAt(i);
			IProgramElement sNode = currNode.getStructureNode();
			if (sNode != null && sNode.equals(node) && currNode.getKind() != IStructureViewNode.Kind.LINK) {
				TreePath path = new TreePath(currNode.getPath());
				structureTree.setSelectionPath(path);
				int currRow = structureTree.getRowForPath(path);
				structureTree.expandRow(currRow);
				structureTree.scrollRowToVisible(currRow);
			} else {
				highlightNode(currNode, node);
			}
		}
	}

	// public void updateTree(StructureView structureView) {
	// displayTree(structureView, 10);
	// }
	//
	// public void updateTree(GlobalStructureView structureView) {
	// displayTree(structureView, depth);
	// }

	public void updateTree(final StructureView structureView) {
		if (structureView == null)
			return;
		Runnable update = new Runnable() {
			public void run() {
				structureTree.removeAll();
				// SwingTreeViewNode currNode;
				if (structureView.getRootNode() == null) {
					structureTree.setModel(NO_STRUCTURE_MODEL);
				} else {
					structureTree.setModel(new StructureTreeModel((SwingTreeViewNode) structureView.getRootNode()));
				}

				if (structureView instanceof GlobalStructureView) {
					GlobalStructureView view = (GlobalStructureView) structureView;
					if (view.getGlobalViewProperties().getHierarchy() == StructureViewProperties.Hierarchy.DECLARATION) {
						expandTreeToFiles();
					} else {
						expandTree(15);
					}
				} else {
					expandTree(10);
				}

			}
		};

		if (SwingUtilities.isEventDispatchThread()) {
			update.run();
		} else {
			try {
				SwingUtilities.invokeAndWait(update);
			} catch (Exception e) {
				Message msg = new Message("Could not update tree.", IMessage.ERROR, e, null);
				Ajde.getDefault().getMessageHandler().handleMessage(msg);
			}
		}
	}

	StructureTree getStructureTree() {
		return structureTree;
	}

	private void expandTreeToFiles() {
		for (int i = 0; i < structureTree.getRowCount(); i++) {
			TreePath path = structureTree.getPathForRow(i);
			SwingTreeViewNode node = (SwingTreeViewNode) path.getLastPathComponent();
			if (node.getUserObject() instanceof IProgramElement) {
				IProgramElement pNode = (IProgramElement) node.getUserObject();
				IProgramElement.Kind kind = pNode.getKind();
				if (kind == IProgramElement.Kind.PROJECT || kind == IProgramElement.Kind.PACKAGE) {
					structureTree.expandPath(path);
				} else {
					structureTree.collapsePath(path);
				}
			} else {
				structureTree.collapsePath(path);
			}
		}
		structureTree.expandPath(structureTree.getPathForRow(0));
	}

	private void expandTree(int depth) {
		for (int i = 0; i < structureTree.getRowCount(); i++) {
			TreePath path = structureTree.getPathForRow(i);
			SwingTreeViewNode node = (SwingTreeViewNode) path.getLastPathComponent();
			if (path.getPath().length - 1 > depth || node.getKind() == IStructureViewNode.Kind.RELATIONSHIP) {
				structureTree.collapsePath(path);
			} else {
				structureTree.expandPath(path);
			}
		}
		structureTree.expandPath(structureTree.getPathForRow(0));
	}

	private static class StructureTreeModel extends DefaultTreeModel {

		private static final long serialVersionUID = 1L;

		public StructureTreeModel(TreeNode newRoot) {
			super(newRoot);
		}

		public void valueForPathChanged(TreePath path, Object newValue) {
			DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
			nodeChanged(node);
		}
	}
}

// /**
// * @param node if null assume root
// */
// public void navigationAction(ProgramElementNode node, boolean followedLink, boolean forward) {
// if (node == null) {
// structureTree.setSelectionRow(0);
// structureTree.scrollRowToVisible(0);
// } else if (node.getSourceLocation().getSourceFilePath() != null) {
// final String fileName = node.getSourceLocation().getSourceFilePath();
// final int lineNumber = node.getSourceLocation().getLineNumber();
// if (fileName != null && lineNumber > 0) {
// Runnable update = new Runnable() {
// public void run() {
// Ajde.getDefault().getEditorManager().showSourceLine(fileName, lineNumber, true);
// }
// };
//
// if (SwingUtilities.isEventDispatchThread()) {
// update.run();
// } else {
// try {
// SwingUtilities.invokeAndWait(update);
// } catch (Exception ee) {
//
// }
// }
// }
// if (followedLink) {
// highlightNode((SwingTreeViewNode)structureTree.getModel().getRoot(), node);
// }
// }
// }

// if (node instanceof ProgramElementNode) {
// ProgramElementNode lexicalNode = (ProgramElementNode)node;
// setIcon(getProgramElementNodeIcon(lexicalNode));
// } else if (node instanceof RelationNode) {
// RelationNode relationNode = (RelationNode)node;
//
// setIcon(icons.getAssociationSwingIcon(relationNode.getRelation()));
// this.setFont(new Font(this.getFont().getName(), Font.ITALIC, this.getFont().getSize()));
//
// } else if (node instanceof LinkNode) {
// LinkNode link = (LinkNode)node;
// setIcon(getProgramElementNodeIcon(link.getProgramElementNode()));
// } else {
// if (node != null && ProgramElementNode.Kind.PACKAGE.equals(node.getKind())) {
// setIcon(icons.getStructureSwingIcon(ProgramElementNode.Kind.PACKAGE));
// } else if (node != null && ProgramElementNode.Kind.PROJECT.equals(node.getKind())) {
// setIcon(icons.getStructureSwingIcon(ProgramElementNode.Kind.PROJECT));
// } else if (node != null && ProgramElementNode.Kind.FILE.equals(node.getKind())) {
// setIcon(icons.getStructureSwingIcon(ProgramElementNode.Kind.CLASS));
// } else {
// setIcon(null);
// }
// }

// void updateTree(int depth, GlobalViewProperties properties) {
// this.hierarchy = properties.getHierarchy();
// displayTree(depth, null);
// }
//
// void updateTree(String filePath, int depth, GlobalViewProperties properties) {
// this.hierarchy = properties.getHierarchy();
// if (filePath == null || filePath.equals("")) {
// structureTree.setModel(NO_FILE_SELECTED_MODEL);
// } else {
// structureTree.setRootFilePath(filePath);
// displayTree(depth, filePath);
// }
// }

// int accessibility = 0;
// if (pNode.getAccessibility().contains(ProgramElementNode.Accessibility.PUBLIC)) {
// accessibility = 1;
// } else if (pNode.getAccessibility().contains(ProgramElementNode.Accessibility.PROTECTED)) {
// accessibility = 2;
// } else if (pNode.getAccessibility().contains(ProgramElementNode.Accessibility.PRIVATE)) {
// accessibility = 3;
// } else if (pNode.getAccessibility().contains(ProgramElementNode.Accessibility.PRIVILEGED)) {
// accessibility = 3;
// }
//
// if (pNode == null || pNode.getKind() == null) {
// return null;
// } else if (ProgramElementNode.Kind.PROJECT.equals(pNode.getKind())) {
// return icons.getStructureSwingIcon(ProgramElementNode.Kind.PROJECT);
// } else if (ProgramElementNode.Kind.PACKAGE.equals(pNode.getKind())) {
// return icons.getStructureSwingIcon(ProgramElementNode.Kind.PACKAGE);
// } else if (ProgramElementNode.Kind.FILE.equals(pNode.getKind())) {
// return icons.getStructureSwingIcon(ProgramElementNode.Kind.CLASS);
// } else if (ProgramElementNode.Kind.CLASS.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getClassPublicIcon();
// case 2: return icons.getClassProtectedIcon();
// case 3: return icons.getClassPrivateIcon();
// default: return icons.getClassPackageIcon();
// }
// } else if (ProgramElementNode.Kind.INTERFACE.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getInterfacePublicIcon();
// case 2: return icons.getInterfaceProtectedIcon();
// case 3: return icons.getInterfacePrivateIcon();
// default: return icons.getInterfacePackageIcon();
// }
// } else if (ProgramElementNode.Kind.ASPECT.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getAspectPublicIcon();
// case 2: return icons.getAspectProtectedIcon();
// case 3: return icons.getAspectPrivateIcon();
// case 4: return icons.getAspectPrivilegedIcon();
// default: return icons.getAspectPackageIcon();
// }
// } else if (ProgramElementNode.Kind.METHOD.equals(pNode.getKind())
// || ProgramElementNode.Kind.INITIALIZER.equals(pNode.getKind())
// || ProgramElementNode.Kind.CONSTRUCTOR.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getMethodPublicIcon();
// case 2: return icons.getMethodProtectedIcon();
// case 3: return icons.getMethodPrivateIcon();
// default: return icons.getMethodPackageIcon();
// }
// } else if (ProgramElementNode.Kind.FIELD.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getFieldPublicIcon();
// case 2: return icons.getFieldProtectedIcon();
// case 3: return icons.getFieldPrivateIcon();
// default: return icons.getFieldPackageIcon();
// }
// } else if (ProgramElementNode.Kind.INTRODUCTION.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getIntroductionPublicIcon();
// case 2: return icons.getIntroductionProtectedIcon();
// case 3: return icons.getIntroductionPrivateIcon();
// default: return icons.getIntroductionPackageIcon();
// }
// } else if (ProgramElementNode.Kind.POINTCUT.equals(pNode.getKind())) {
// switch (accessibility) {
// case 1: return icons.getJoinpointPublicIcon();
// case 2: return icons.getJoinpointProtectedIcon();
// case 3: return icons.getJoinpointPrivateIcon();
// default: return icons.getJoinpointPackageIcon();
// }
// } else if (ProgramElementNode.Kind.ADVICE.equals(pNode.getKind())) {
// return icons.getAdviceIcon();
// } else if (ProgramElementNode.Kind.DECLARE_PARENTS.equals(pNode.getKind())) {
// return icons.getDeclareParentsIcon();
// } else if (ProgramElementNode.Kind.DECLARE_ERROR.equals(pNode.getKind())) {
// return icons.getDeclareErrorIcon();
// } else if (ProgramElementNode.Kind.DECLARE_WARNING.equals(pNode.getKind())) {
// return icons.getDeclareWarningIcon();
// } else if (ProgramElementNode.Kind.DECLARE_SOFT.equals(pNode.getKind())) {
// return icons.getDeclareSoftIcon();
// } else if (ProgramElementNode.Kind.CODE.equals(pNode.getKind())) {
// return icons.getCodeIcon();
// } else {
// return null;
// }

//
// if (relationNode.getKind().equals(org.aspectj.asm.associations.Advice.NAME) ||
// relationNode.getKind().equals(org.aspectj.asm.associations.Introduction.NAME)) {
// if (relationNode.getRelation().getBackNavigationName().equals(relationNode.getName()) ){
// setIcon(icons.getRelationAdviceBackIcon());
// } else {
// setIcon(icons.getAssociationSwingIcon(relationNode.getRelation()));
// setIcon(icons.getRelationAdviceForwardIcon());
// }
// } else if (relationNode.getKind().equals(org.aspectj.asm.associations.Inheritance.NAME)) {
// if (relationNode.getRelation().getBackNavigationName().equals(relationNode.getName()) ){
// setIcon(icons.getRelationInheritanceBackIcon());
// } else {
// setIcon(icons.getRelationInheritanceForwardIcon());
// }
// } else {
// if (relationNode.getRelation().getBackNavigationName().equals(relationNode.getName()) ){
// setIcon(icons.getRelationReferenceBackIcon());
// } else {
// setIcon(icons.getRelationReferenceForwardIcon());
// }
// }

// public ProgramElementNode getRootProgramElementNode() {
// IProgramElement node = (IProgramElement)((SwingTreeViewNode)structureTree.getModel().getRoot()).getUserObject();
// if (node instanceof ProgramElementNode) {
// return (ProgramElementNode)node;
// } else {
// return null;
// }
// }

// /**
// * @todo HACK: this is a workaround and can break
// */
// private static ProgramElementNode mapResult = null;
// private ProgramElementNode getNodeForLink(LinkNode node, IProgramElement rootNode) {
// ProgramElementNode result = null;
// if (rootNode instanceof ProgramElementNode &&
// ((ProgramElementNode)rootNode).getName().equals(node.getProgramElementNode().getName())) {
// mapResult = (ProgramElementNode)rootNode;
// } else {
// ProgramElementNode linkedNode = node.getProgramElementNode();
// for (Iterator it = rootNode.getChildren().iterator(); it.hasNext(); ) {
// IProgramElement child = (IProgramElement)it.next();
// getNodeForLink(node, child);
// }
// }
// return mapResult;
// }

// private void sortNodes(List nodes) {
// if (sortNodes) {
// Collections.sort(nodes, IProgramElementComparator);
// }
// }

// private class IProgramElementComparator implements Comparator {
// public int compare(Object o1, Object o2) {
// IProgramElement t1 = (IProgramElement) ((SwingTreeViewNode) o1).getUserObject();
// IProgramElement t2 = (IProgramElement) ((SwingTreeViewNode) o2).getUserObject();
// if (t1 instanceof ProgramElementNode && t2 instanceof ProgramElementNode) {
// ProgramElementNode p1 = (ProgramElementNode) t1;
// ProgramElementNode p2 = (ProgramElementNode) t2;
// return p1.getName().compareTo(p2.getName());
// } else {
// return 0;
// }
// }
// }

// private class StructureViewNodeAdapter extends DefaultMutableTreeNode {
//
// private StructureViewNode nodeInfo = null;
//
// public StructureViewNodeAdapter(StructureViewNode nodeInfo) {
// super(nodeInfo, true);
// this.nodeInfo = nodeInfo;
// }
//
// public String toString() {
// if (nodeInfo != null) {
// return nodeInfo.toString();
// } else {
// return "";
// }
// }
// }





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