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004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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006: * The contents of this file are subject to the terms of either the GNU
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008: * Development and Distribution License("CDDL") (collectively, the
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020: * License Header, with the fields enclosed by brackets [] replaced by
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032: * "[Contributor] elects to include this software in this distribution
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038: * Version 2 license, then the option applies only if the new code is
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040: */
041:
042: package threaddemo.views.looktree;
043:
044: import java.awt.event.ActionEvent;
045: import java.awt.event.MouseAdapter;
046: import java.awt.event.MouseEvent;
047: import java.io.IOException;
048: import java.lang.ref.Reference;
049: import java.lang.ref.WeakReference;
050: import javax.swing.AbstractAction;
051: import javax.swing.Action;
052: import javax.swing.ActionMap;
053: import javax.swing.JPopupMenu;
054: import javax.swing.tree.TreePath;
055: import org.netbeans.api.nodes2looks.Nodes;
056: import org.netbeans.spi.looks.Look;
057: import org.netbeans.spi.looks.Selectors;
058: import org.openide.nodes.Node;
059: import org.openide.util.Lookup;
060: import org.openide.util.Utilities;
061: import org.openide.util.lookup.Lookups;
062:
063: // XXX NodeAction's not necessarily handled well, e.g. Save... doesn't grok selection
064: // XXX other callback actions, like Copy, etc.
065:
066: /**
067: * Handle the popup menus on a look tree view.
068: * @author Jesse Glick
069: */
070: class PopupHandler extends MouseAdapter {
071:
072: private final LookTreeView view;
073: private final ActionMap actionMap;
074: private Reference<LookTreeNode> clicked;
075:
076: public PopupHandler(LookTreeView view) {
077: this .view = view;
078: actionMap = new ActionMap();
079: actionMap.put("delete", new DeleteAction());
080: }
081:
082: public void mousePressed(MouseEvent ev) {
083: if (ev.isPopupTrigger()) {
084: int x = ev.getX();
085: int y = ev.getY();
086: TreePath path = view.getClosestPathForLocation(x, y);
087: if (path != null) {
088: LookTreeNode n = (LookTreeNode) path
089: .getLastPathComponent();
090: clicked = new WeakReference<LookTreeNode>(n);
091: @SuppressWarnings("unchecked")
092: Action[] actions = n.getLook().getActions(n.getData(),
093: n.getLookup());
094: // XXX handle multiselects...
095: Node selection = makeNode(n);
096: Lookup context = Lookups.fixed(new Object[] {
097: selection, actionMap });
098: JPopupMenu menu = Utilities.actionsToPopup(actions,
099: context);
100: menu.show(view, x, y);
101: // XXX selection does not appear to be collected... do we need to
102: // also destroy the popup menu?
103: }
104: }
105: }
106:
107: /**
108: * Makes a fake LookNode to serve as a "selection" for actions.
109: * Only needed because actions currently expect a Node[].
110: */
111: private Node makeNode(LookTreeNode n) {
112: final Look l = n.getLook();
113: // Looks.node(o, l) does *not* work; it still tries to find
114: // the node for the root, based on the default selector (naming).
115: // Looks.defaultTypes is called but the result is ignored...
116: return Nodes.node(n.getData(), l, Selectors.singleton(l));
117: }
118:
119: private final class DeleteAction extends AbstractAction {
120:
121: @SuppressWarnings("unchecked")
122: public void actionPerformed(ActionEvent e) {
123: // XXX should confirm deletion first
124: LookTreeNode n = clicked.get();
125: try {
126: n.getLook().destroy(n.getData(), n.getLookup());
127: } catch (IOException ex) {
128: ex.printStackTrace();
129: }
130: }
131:
132: }
133:
134: }
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