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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.xdebugger.impl.ui.tree;
import com.intellij.ide.dnd.aware.DnDAwareTree;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.keymap.KeymapManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vcs.changes.issueLinks.TreeLinkMouseListener;
import com.intellij.ui.DoubleClickListener;
import com.intellij.ui.PopupHandler;
import com.intellij.ui.TreeSpeedSearch;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.Convertor;
import com.intellij.util.containers.TransferToEDTQueue;
import com.intellij.util.ui.TextTransferable;
import com.intellij.xdebugger.XSourcePosition;
import com.intellij.xdebugger.evaluation.XDebuggerEditorsProvider;
import com.intellij.xdebugger.frame.XDebuggerTreeNodeHyperlink;
import com.intellij.xdebugger.impl.actions.XDebuggerActions;
import com.intellij.xdebugger.impl.frame.XValueMarkers;
import com.intellij.xdebugger.impl.ui.tree.nodes.*;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.datatransfer.Transferable;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.util.List;
/**
* @author nik
*/
public class XDebuggerTree extends DnDAwareTree implements DataProvider, Disposable {
private final TransferToEDTQueue<Runnable> myLaterInvocator = TransferToEDTQueue.createRunnableMerger("XDebuggerTree later invocator", 100);
private static final DataKey<XDebuggerTree> XDEBUGGER_TREE_KEY = DataKey.create("xdebugger.tree");
private static final Convertor<TreePath, String> SPEED_SEARCH_CONVERTER = new Convertor<TreePath, String>() {
@Override
public String convert(TreePath o) {
String text = null;
if (o != null) {
final Object node = o.getLastPathComponent();
if (node instanceof XDebuggerTreeNode) {
text = ((XDebuggerTreeNode)node).getText().toString();
}
}
return StringUtil.notNullize(text);
}
};
private static final TransferHandler DEFAULT_TRANSFER_HANDLER = new TransferHandler() {
@Override
protected Transferable createTransferable(JComponent c) {
if (!(c instanceof XDebuggerTree)) {
return null;
}
XDebuggerTree tree = (XDebuggerTree)c;
//noinspection deprecation
TreePath[] selectedPaths = tree.getSelectionPaths();
if (selectedPaths == null || selectedPaths.length == 0) {
return null;
}
StringBuilder plainBuf = new StringBuilder();
StringBuilder htmlBuf = new StringBuilder();
htmlBuf.append("<html>\n<body>\n<ul>\n");
TextTransferable.ColoredStringBuilder coloredTextContainer = new TextTransferable.ColoredStringBuilder();
for (TreePath path : selectedPaths) {
htmlBuf.append(" <li>");
Object node = path.getLastPathComponent();
if (node != null) {
if (node instanceof XDebuggerTreeNode) {
((XDebuggerTreeNode)node).appendToComponent(coloredTextContainer);
coloredTextContainer.appendTo(plainBuf, htmlBuf);
}
else {
String text = node.toString();
plainBuf.append(text);
htmlBuf.append(text);
}
}
plainBuf.append('\n');
htmlBuf.append("</li>\n");
}
// remove the last newline
plainBuf.setLength(plainBuf.length() - 1);
htmlBuf.append("</ul>\n</body>\n</html>");
return new TextTransferable(htmlBuf.toString(), plainBuf.toString());
}
@Override
public int getSourceActions(JComponent c) {
return COPY;
}
};
private final DefaultTreeModel myTreeModel;
private final Project myProject;
private final XDebuggerEditorsProvider myEditorsProvider;
private XSourcePosition mySourcePosition;
private final List<XDebuggerTreeListener> myListeners = ContainerUtil.createLockFreeCopyOnWriteList();
private final XValueMarkers<?,?> myValueMarkers;
public XDebuggerTree(final @NotNull Project project,
final @NotNull XDebuggerEditorsProvider editorsProvider,
final @Nullable XSourcePosition sourcePosition,
final @NotNull String popupActionGroupId, @Nullable XValueMarkers<?, ?> valueMarkers) {
myValueMarkers = valueMarkers;
myProject = project;
myEditorsProvider = editorsProvider;
mySourcePosition = sourcePosition;
myTreeModel = new DefaultTreeModel(null);
setModel(myTreeModel);
setCellRenderer(new XDebuggerTreeRenderer());
new TreeLinkMouseListener(new XDebuggerTreeRenderer()) {
@Override
protected void handleTagClick(@Nullable Object tag, @NotNull MouseEvent event) {
if (tag instanceof XDebuggerTreeNodeHyperlink) {
((XDebuggerTreeNodeHyperlink)tag).onClick(event);
}
}
}.installOn(this);
setRootVisible(false);
setShowsRootHandles(true);
new DoubleClickListener() {
@Override
protected boolean onDoubleClick(MouseEvent e) {
return expandIfEllipsis();
}
}.installOn(this);
addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_ENTER || key == KeyEvent.VK_SPACE || key == KeyEvent.VK_RIGHT) {
expandIfEllipsis();
}
}
});
if (Boolean.valueOf(System.getProperty("xdebugger.variablesView.rss"))) {
new XDebuggerTreeSpeedSearch(this, SPEED_SEARCH_CONVERTER);
}
else {
new TreeSpeedSearch(this, SPEED_SEARCH_CONVERTER);
}
final ActionManager actionManager = ActionManager.getInstance();
addMouseListener(new PopupHandler() {
@Override
public void invokePopup(final Component comp, final int x, final int y) {
ActionGroup group = (ActionGroup)actionManager.getAction(popupActionGroupId);
actionManager.createActionPopupMenu(ActionPlaces.UNKNOWN, group).getComponent().show(comp, x, y);
}
});
registerShortcuts();
setTransferHandler(DEFAULT_TRANSFER_HANDLER);
}
private boolean expandIfEllipsis() {
MessageTreeNode[] treeNodes = getSelectedNodes(MessageTreeNode.class, null);
if (treeNodes.length == 1) {
MessageTreeNode node = treeNodes[0];
if (node.isEllipsis()) {
TreeNode parent = node.getParent();
if (parent instanceof XValueContainerNode) {
((XValueContainerNode)parent).startComputingChildren();
return true;
}
}
}
return false;
}
public void addTreeListener(@NotNull XDebuggerTreeListener listener) {
myListeners.add(listener);
}
public void removeTreeListener(@NotNull XDebuggerTreeListener listener) {
myListeners.remove(listener);
}
public void setRoot(XDebuggerTreeNode root, final boolean rootVisible) {
setRootVisible(rootVisible);
myTreeModel.setRoot(root);
}
public XDebuggerTreeNode getRoot() {
return (XDebuggerTreeNode)myTreeModel.getRoot();
}
@Nullable
public XSourcePosition getSourcePosition() {
return mySourcePosition;
}
public void setSourcePosition(final @Nullable XSourcePosition sourcePosition) {
mySourcePosition = sourcePosition;
}
@NotNull
public XDebuggerEditorsProvider getEditorsProvider() {
return myEditorsProvider;
}
@NotNull
public Project getProject() {
return myProject;
}
@Nullable
public XValueMarkers<?, ?> getValueMarkers() {
return myValueMarkers;
}
public DefaultTreeModel getTreeModel() {
return myTreeModel;
}
@Override
@Nullable
public Object getData(@NonNls final String dataId) {
if (XDEBUGGER_TREE_KEY.is(dataId)) {
return this;
}
if (PlatformDataKeys.PREDEFINED_TEXT.is(dataId)) {
XValueNodeImpl[] selectedNodes = getSelectedNodes(XValueNodeImpl.class, null);
if (selectedNodes.length == 1 && selectedNodes[0].getFullValueEvaluator() == null) {
return selectedNodes[0].getRawValue();
}
}
return null;
}
public void rebuildAndRestore(final XDebuggerTreeState treeState) {
Object rootNode = myTreeModel.getRoot();
if (rootNode instanceof XDebuggerTreeNode) {
((XDebuggerTreeNode)rootNode).clearChildren();
treeState.restoreState(this);
repaint();
}
}
public void childrenLoaded(final @NotNull XDebuggerTreeNode node,
final @NotNull List<XValueContainerNode<?>> children,
final boolean last) {
for (XDebuggerTreeListener listener : myListeners) {
listener.childrenLoaded(node, children, last);
}
}
public void nodeLoaded(final @NotNull RestorableStateNode node, final @NotNull String name) {
for (XDebuggerTreeListener listener : myListeners) {
listener.nodeLoaded(node, name);
}
}
public void markNodesObsolete() {
Object root = myTreeModel.getRoot();
if (root instanceof XValueContainerNode<?>) {
markNodesObsolete((XValueContainerNode<?>)root);
}
}
@Override
public void dispose() {
ActionManager actionManager = ActionManager.getInstance();
actionManager.getAction(XDebuggerActions.SET_VALUE).unregisterCustomShortcutSet(this);
actionManager.getAction(XDebuggerActions.COPY_VALUE).unregisterCustomShortcutSet(this);
actionManager.getAction(XDebuggerActions.JUMP_TO_SOURCE).unregisterCustomShortcutSet(this);
actionManager.getAction(XDebuggerActions.JUMP_TO_TYPE_SOURCE).unregisterCustomShortcutSet(this);
actionManager.getAction(XDebuggerActions.MARK_OBJECT).unregisterCustomShortcutSet(this);
}
private void registerShortcuts() {
ActionManager actionManager = ActionManager.getInstance();
actionManager.getAction(XDebuggerActions.SET_VALUE)
.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0)), this);
actionManager.getAction(XDebuggerActions.COPY_VALUE).registerCustomShortcutSet(CommonShortcuts.getCopy(), this);
actionManager.getAction(XDebuggerActions.JUMP_TO_SOURCE).registerCustomShortcutSet(CommonShortcuts.getEditSource(), this);
Shortcut[] editTypeShortcuts = KeymapManager.getInstance().getActiveKeymap().getShortcuts(XDebuggerActions.EDIT_TYPE_SOURCE);
actionManager.getAction(XDebuggerActions.JUMP_TO_TYPE_SOURCE).registerCustomShortcutSet(new CustomShortcutSet(editTypeShortcuts), this);
actionManager.getAction(XDebuggerActions.MARK_OBJECT)
.registerCustomShortcutSet(new CustomShortcutSet(KeymapManager.getInstance().getActiveKeymap().getShortcuts("ToggleBookmark")), this);
}
private static void markNodesObsolete(final XValueContainerNode<?> node) {
node.setObsolete();
List<? extends XValueContainerNode<?>> loadedChildren = node.getLoadedChildren();
if (loadedChildren != null) {
for (XValueContainerNode<?> child : loadedChildren) {
markNodesObsolete(child);
}
}
}
@Nullable
public static XDebuggerTree getTree(final AnActionEvent e) {
return e.getData(XDEBUGGER_TREE_KEY);
}
@Nullable
public static XDebuggerTree getTree(DataContext context) {
return XDEBUGGER_TREE_KEY.getData(context);
}
public TransferToEDTQueue<Runnable> getLaterInvocator() {
return myLaterInvocator;
}
public void expandNodesOnLoad(final Condition<TreeNode> nodeFilter) {
addTreeListener(new XDebuggerTreeListener() {
@Override
public void nodeLoaded(@NotNull RestorableStateNode node, String name) {
if (nodeFilter.value(node) && !node.isLeaf()) {
// cause children computing
node.getChildCount();
}
}
@Override
public void childrenLoaded(@NotNull XDebuggerTreeNode node, @NotNull List<XValueContainerNode<?>> children, boolean last) {
if (nodeFilter.value(node)) {
expandPath(node.getPath());
}
}
});
}
}
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