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/*
* Copyright 2000-2014 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.evaluate.quick.common;
import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.concurrency.ResultConsumer;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.ui.ScrollPaneFactory;
import com.intellij.ui.treeStructure.Tree;
import com.intellij.xdebugger.XDebuggerBundle;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.util.*;
import java.util.List;
/**
* @author nik
*/
abstract class DebuggerTreeWithHistoryContainer<D> {
private static final Logger LOG = Logger.getInstance(DebuggerTreeWithHistoryContainer.class);
private static final int HISTORY_SIZE = 11;
private final List<D> myHistory = new ArrayList<D>();
private int myCurrentIndex = -1;
protected final DebuggerTreeCreator<D> myTreeCreator;
@NotNull protected final Project myProject;
protected DebuggerTreeWithHistoryContainer(@NotNull D initialItem, @NotNull DebuggerTreeCreator<D> creator, @NotNull Project project) {
myTreeCreator = creator;
myProject = project;
myHistory.add(initialItem);
}
protected JPanel createMainPanel(Tree tree) {
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(ScrollPaneFactory.createScrollPane(tree), BorderLayout.CENTER);
mainPanel.add(createToolbar(mainPanel, tree), BorderLayout.NORTH);
return mainPanel;
}
private void updateTree() {
D item = myHistory.get(myCurrentIndex);
updateTree(item);
}
protected void updateTree(@NotNull D selectedItem) {
updateContainer(myTreeCreator.createTree(selectedItem), myTreeCreator.getTitle(selectedItem));
}
protected abstract void updateContainer(Tree tree, String title);
protected void addToHistory(final D item) {
if (myCurrentIndex < HISTORY_SIZE) {
if (myCurrentIndex != -1) {
myCurrentIndex += 1;
} else {
myCurrentIndex = 1;
}
myHistory.add(myCurrentIndex, item);
}
}
private JComponent createToolbar(JPanel parent, Tree tree) {
DefaultActionGroup group = new DefaultActionGroup();
group.add(new SetAsRootAction(tree));
AnAction back = new GoBackwardAction();
back.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, InputEvent.ALT_MASK)), parent);
group.add(back);
AnAction forward = new GoForwardAction();
forward.registerCustomShortcutSet(new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, InputEvent.ALT_MASK)), parent);
group.add(forward);
return ActionManager.getInstance().createActionToolbar(ActionPlaces.UNKNOWN, group, true).getComponent();
}
private class GoForwardAction extends AnAction {
public GoForwardAction() {
super(CodeInsightBundle.message("quick.definition.forward"), null, AllIcons.Actions.Forward);
}
@Override
public void actionPerformed(AnActionEvent e) {
if (myHistory.size() > 1 && myCurrentIndex < myHistory.size() - 1){
myCurrentIndex ++;
updateTree();
}
}
@Override
public void update(AnActionEvent e) {
e.getPresentation().setEnabled(myHistory.size() > 1 && myCurrentIndex < myHistory.size() - 1);
}
}
private class GoBackwardAction extends AnAction {
public GoBackwardAction() {
super(CodeInsightBundle.message("quick.definition.back"), null, AllIcons.Actions.Back);
}
@Override
public void actionPerformed(AnActionEvent e) {
if (myHistory.size() > 1 && myCurrentIndex > 0) {
myCurrentIndex--;
updateTree();
}
}
@Override
public void update(AnActionEvent e) {
e.getPresentation().setEnabled(myHistory.size() > 1 && myCurrentIndex > 0);
}
}
private class SetAsRootAction extends AnAction {
private Tree myTree;
public SetAsRootAction(Tree tree) {
super(XDebuggerBundle.message("xdebugger.popup.value.tree.set.root.action.tooltip"),
XDebuggerBundle.message("xdebugger.popup.value.tree.set.root.action.tooltip"), AllIcons.Modules.UnmarkWebroot);
myTree = tree;
}
@Override
public void update(AnActionEvent e) {
TreePath path = myTree.getSelectionPath();
e.getPresentation().setEnabled(path != null && path.getPathCount() > 1);
}
@Override
public void actionPerformed(AnActionEvent e) {
TreePath path = myTree.getSelectionPath();
if (path != null) {
Object node = path.getLastPathComponent();
myTreeCreator.createDescriptorByNode(node, new ResultConsumer<D>() {
@Override
public void onSuccess(final D value) {
if (value != null) {
ApplicationManager.getApplication().invokeLater(new Runnable() {
@Override
public void run() {
addToHistory(value);
updateTree(value);
}
});
}
}
@Override
public void onFailure(@NotNull Throwable t) {
LOG.debug(t);
}
});
}
}
}
}
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