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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.codeInsight.template.postfix.settings;
import com.intellij.codeInsight.template.postfix.templates.PostfixTemplate;
import com.intellij.ide.util.treeView.TreeState;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.CheckboxTree;
import com.intellij.ui.CheckedTreeNode;
import com.intellij.ui.JBColor;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.util.Consumer;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.MultiMap;
import com.intellij.util.ui.UIUtil;
import com.intellij.util.ui.tree.TreeUtil;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.util.*;
public class PostfixTemplatesCheckboxTree extends CheckboxTree {
private static final class PostfixTemplateCheckedTreeNode extends CheckedTreeNode {
@NotNull
private final String myLang;
@NotNull
private final PostfixTemplate myTemplate;
@NotNull
private final PostfixTemplatesSettings mySettings;
@NotNull
public PostfixTemplate getTemplate() {
return myTemplate;
}
@NotNull
public String getLang() {
return myLang;
}
PostfixTemplateCheckedTreeNode(@NotNull PostfixTemplate template, @NotNull String lang) {
super(template.getKey().replaceFirst("\\.", ""));
PostfixTemplatesSettings templatesSettings = PostfixTemplatesSettings.getInstance();
assert templatesSettings != null;
mySettings = templatesSettings;
setChecked(mySettings.isTemplateEnabled(template, lang));
myLang = lang;
myTemplate = template;
}
}
@NotNull
private final CheckedTreeNode myRoot;
@NotNull
private final DefaultTreeModel myModel;
public PostfixTemplatesCheckboxTree() {
super(new CheckboxTreeCellRenderer() {
@Override
public void customizeRenderer(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
if (!(value instanceof CheckedTreeNode)) return;
CheckedTreeNode node = (CheckedTreeNode)value;
final Color background = selected ? UIUtil.getTreeSelectionBackground() : UIUtil.getTreeTextBackground();
boolean isPostfixTemplate = node instanceof PostfixTemplateCheckedTreeNode;
SimpleTextAttributes attributes = isPostfixTemplate
? SimpleTextAttributes.REGULAR_ATTRIBUTES
: SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES;
getTextRenderer().append(StringUtil.notNullize(value.toString()),
new SimpleTextAttributes(background, attributes.getFgColor(), JBColor.RED, attributes.getStyle()));
if (isPostfixTemplate) {
getTextRenderer()
.append(" (" + ((PostfixTemplateCheckedTreeNode)node).getTemplate().getExample() + ")", SimpleTextAttributes.GRAY_ATTRIBUTES);
}
}
}, new CheckedTreeNode(null));
myModel = (DefaultTreeModel)getModel();
myRoot = (CheckedTreeNode)myModel.getRoot();
getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
@Override
public void valueChanged(TreeSelectionEvent event) {
selectionChanged();
}
});
setRootVisible(false);
setShowsRootHandles(true);
}
protected void selectionChanged() {
}
public void initTree(@NotNull MultiMap<String, PostfixTemplate> langToTemplates) {
myRoot.removeAllChildren();
for (Map.Entry<String, Collection<PostfixTemplate>> entry : langToTemplates.entrySet()) {
CheckedTreeNode langNode = new CheckedTreeNode(entry.getKey());
myRoot.add(langNode);
for (PostfixTemplate template : entry.getValue()) {
CheckedTreeNode templateNode = new PostfixTemplateCheckedTreeNode(template, entry.getKey());
langNode.add(templateNode);
}
}
myModel.nodeStructureChanged(myRoot);
TreeUtil.expandAll(this);
setSelectionRow(0);
}
public PostfixTemplate getTemplate() {
TreePath path = getSelectionModel().getSelectionPath();
if (path == null || !(path.getLastPathComponent() instanceof PostfixTemplateCheckedTreeNode)) {
return null;
}
return ((PostfixTemplateCheckedTreeNode)path.getLastPathComponent()).getTemplate();
}
public Map<String, Set<String>> getState() {
final Map<String, Set<String>> result = ContainerUtil.newHashMap();
Consumer<PostfixTemplateCheckedTreeNode> consumer = new Consumer<PostfixTemplateCheckedTreeNode>() {
@Override
public void consume(PostfixTemplateCheckedTreeNode template) {
if (!template.isChecked()) {
Set<String> templatesForLanguage =
ContainerUtil.getOrCreate(result, template.getLang(), PostfixTemplatesSettings.SET_FACTORY);
templatesForLanguage.add(template.getTemplate().getKey());
}
}
};
visit(consumer);
return result;
}
private void visit(@NotNull Consumer<PostfixTemplateCheckedTreeNode> consumer) {
Enumeration languages = myRoot.children();
while (languages.hasMoreElements()) {
final CheckedTreeNode langNode = (CheckedTreeNode)languages.nextElement();
Enumeration templates = langNode.children();
while (templates.hasMoreElements()) {
final PostfixTemplateCheckedTreeNode template = (PostfixTemplateCheckedTreeNode)templates.nextElement();
consumer.consume(template);
}
}
}
public void setState(@NotNull final Map<String, Set<String>> langToDisabledTemplates) {
final TreeState treeState = TreeState.createOn(this, myRoot);
Consumer<PostfixTemplateCheckedTreeNode> consumer = new Consumer<PostfixTemplateCheckedTreeNode>() {
@Override
public void consume(PostfixTemplateCheckedTreeNode template) {
Set<String> disabledTemplates = langToDisabledTemplates.get(template.getLang());
String key = template.getTemplate().getKey();
if (disabledTemplates != null && disabledTemplates.contains(key)) {
template.setChecked(false);
return;
}
template.setChecked(true);
}
};
visit(consumer);
myModel.nodeStructureChanged(myRoot);
treeState.applyTo(this);
TreeUtil.expandAll(this);
}
public void selectTemplate(@NotNull final PostfixTemplate postfixTemplate, @NotNull final String lang) {
Consumer<PostfixTemplateCheckedTreeNode> consumer = new Consumer<PostfixTemplateCheckedTreeNode>() {
@Override
public void consume(PostfixTemplateCheckedTreeNode template) {
if (lang.equals(template.getLang()) && postfixTemplate.getKey().equals(template.getTemplate().getKey())) {
TreeUtil.selectInTree(template, true, PostfixTemplatesCheckboxTree.this, true);
}
}
};
visit(consumer);
}
}
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