/*
* Copyright 2000-2007 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.usages.impl;
import com.intellij.usages.TextChunk;
import com.intellij.usages.UsageGroup;
import com.intellij.usages.UsageViewSettings;
import com.intellij.usageView.UsageViewBundle;
import com.intellij.util.SystemProperties;
import javax.swing.*;
import javax.swing.event.ChangeListener;
import javax.swing.tree.DefaultMutableTreeNode;
import java.util.Enumeration;
import java.util.TooManyListenersException;
/**
* Created by IntelliJ IDEA.
* User: max
* Date: Dec 22, 2004
* Time: 4:51:52 PM
* To change this template use File | Settings | File Templates.
*/
class ExporterToTextFile implements com.intellij.ide.ExporterToTextFile {
private UsageViewImpl myUsageView;
public ExporterToTextFile(UsageViewImpl usageView) {
myUsageView = usageView;
}
public JComponent getSettingsEditor() {
return null;
}
public void addSettingsChangedListener(ChangeListener listener) throws TooManyListenersException {
}
public void removeSettingsChangedListener(ChangeListener listener) {
}
public String getReportText() {
StringBuffer buf = new StringBuffer();
appendNode(buf, myUsageView.getModelRoot(), SystemProperties.getLineSeparator(), "");
return buf.toString();
}
private void appendNode(StringBuffer buf, DefaultMutableTreeNode node, String lineSeparator, String indent) {
buf.append(indent);
final String childIndent;
if (node.getParent() != null) {
childIndent = indent + " ";
appendNodeText(buf, node, lineSeparator);
}
else {
childIndent = indent;
}
Enumeration enumeration = node.children();
while (enumeration.hasMoreElements()) {
DefaultMutableTreeNode child = (DefaultMutableTreeNode)enumeration.nextElement();
appendNode(buf, child, lineSeparator, childIndent);
}
}
private void appendNodeText(StringBuffer buf, DefaultMutableTreeNode node, String lineSeparator) {
if (node instanceof UsageNode) {
TextChunk[] chunks = ((UsageNode)node).getUsage().getPresentation().getText();
for (TextChunk chunk : chunks) {
buf.append(chunk.getText());
}
}
else if (node instanceof GroupNode) {
UsageGroup group = ((GroupNode)node).getGroup();
buf.append(group != null ? group.getText(myUsageView) : UsageViewBundle.message("usages.title"));
buf.append(" ");
int count = ((GroupNode)node).getRecursiveUsageCount();
buf.append(" (").append(UsageViewBundle.message("usages.n", count)).append(")");
}
else if (node instanceof UsageTargetNode) {
buf.append(((UsageTargetNode)node).getTarget().getPresentation().getPresentableText());
}
else {
buf.append(node.toString());
}
buf.append(lineSeparator);
}
public String getDefaultFilePath() {
return UsageViewSettings.getInstance().EXPORT_FILE_NAME;
}
public void exportedTo(String filePath) {
UsageViewSettings.getInstance().EXPORT_FILE_NAME = filePath;
}
public boolean canExport() {
return !myUsageView.isSearchInProgress() && myUsageView.areTargetsValid();
}
}