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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.openapi.roots.ui.configuration;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.options.Configurable;
import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ui.configuration.projectRoot.StructureConfigurableContext;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.*;
import com.intellij.ui.awt.RelativePoint;
import com.intellij.util.Alarm;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.text.Element;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.net.URL;
import java.util.ArrayList;
/**
* @author Konstantin Bulenkov
*/
public class ErrorPaneConfigurable extends JPanel implements Configurable, Disposable, ConfigurationErrors {
private final Alarm myAlarm;
private final ArrayList<ConfigurationError> myErrors = new ArrayList<ConfigurationError>();
private final JTextPane myContent = new JTextPane();
private Runnable myOnErrorsChanged;
public ErrorPaneConfigurable(final Project project, StructureConfigurableContext context, Runnable onErrorsChanged) {
super(new BorderLayout());
myOnErrorsChanged = onErrorsChanged;
myContent.setEditorKit(UIUtil.getHTMLEditorKit());
myContent.setEditable(false);
myContent.setBackground(UIUtil.getListBackground());
final JScrollPane pane = ScrollPaneFactory.createScrollPane(myContent, true);
pane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
add(pane);
myAlarm = new Alarm(this);
project.getMessageBus().connect(this).subscribe(ConfigurationErrors.TOPIC, this);
myContent.addHyperlinkListener(new HyperlinkAdapter() {
@Override
public void hyperlinkActivated(HyperlinkEvent e) {
final URL url = e.getURL();
final AWTEvent awtEvent = EventQueue.getCurrentEvent();
if (!(awtEvent instanceof MouseEvent)) {
return;
}
final MouseEvent me = (MouseEvent)awtEvent;
if (url != null) {
ConfigurationError error = null;
Element element = e.getSourceElement();
while (element != null) {
if ("li".equals(element.getName())) {
final Element ol = element.getParentElement();
for (int i = 0; i < ol.getElementCount(); i++) {
if (ol.getElement(i) == element) {
error = myErrors.get(i);
}
}
break;
}
element = element.getParentElement();
}
if (error == null) return;
final String host = url.getHost();
String path = url.getPath();
if (path != null && path.startsWith("/")) {
path = StringUtil.unescapeXml(path.substring(1));
}
if (path != null) {
if ("fix".equals(host)) {
final MouseEvent mouseEvent = new MouseEvent(me.getComponent(), me.getID(), me.getWhen(), me.getModifiers(),
me.getX() - 15, me.getY() + 10, me.getClickCount(), me.isPopupTrigger());
error.fix(myContent, new RelativePoint(mouseEvent));
} else {
error.navigate();
}
}
}
}
});
refresh();
}
public void refresh() {
myAlarm.cancelAllRequests();
myAlarm.addRequest(new Runnable() {
@Override
public void run() {
String html = "<html>" +
"<header><style type='text/css'>" +
"body {" +
" color: #" + ColorUtil.toHex(new JBColor(Gray.x33, UIUtil.getLabelForeground())) + ";" +
" font-family: '" + UIUtil.getLabelFont().getName() + ",serif';" +
" font-size: " + UIUtil.getLabelFont().getSize() + ";" +
"}" +
"li {" +
" margin-bottom: 5;" +
"}" +
"ol {" +
"}" +
"a {" +
" text-decoration: none;" +
"}" +
"</style>" +
"</header>" +
"<body>";
int i = 0;
html += "<ol>";
for (ConfigurationError error : myErrors) {
i++;
String description = error.getDescription();
if (description.startsWith("<html>") && description.endsWith("</html>")) {
description = description.substring(6, description.length() - 7);
}
if (description.startsWith("Module '")) {
final int start = 8;
final int end = description.indexOf("'", 9);
final String moduleName = description.substring(start, end);
description = "Module <a href='http://module/" + StringUtil.escapeXml(moduleName) + "'>" + StringUtil.escapeXml(moduleName) + "</a> " + description.substring(
end + 1);
}
if (error.canBeFixed()) {
description += " <a href='http://fix/" + i + "'>[Fix]</a>";
}
html+= "<li>" + description + "</li>";
}
html += "</ol></body></html>";
myContent.setText(html);
if (myOnErrorsChanged != null) {
myOnErrorsChanged.run();
}
}
}, 100);
}
@Nls
@Override
public String getDisplayName() {
return "Problems";
}
@Nullable
@Override
public String getHelpTopic() {
return null;
}
@Nullable
@Override
public JComponent createComponent() {
return this;
}
@Override
public boolean isModified() {
return false;
}
@Override
public void apply() throws ConfigurationException {
}
@Override
public void reset() {
}
@Override
public void disposeUIResources() {
Disposer.dispose(this);
}
@Override
public void dispose() {
}
@Override
public void addError(@NotNull ConfigurationError error) {
myErrors.add(error);
refresh();
}
@Override
public void removeError(@NotNull ConfigurationError error) {
myErrors.remove(error);
refresh();
}
public int getErrorsCount() {
return myErrors.size();
}
}
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