| /* |
| * Copyright 2000-2012 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.internal.encodings; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.fileChooser.FileChooser; |
| import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory; |
| import com.intellij.openapi.ui.DialogWrapper; |
| import com.intellij.openapi.vfs.CharsetToolkit; |
| import com.intellij.openapi.vfs.VirtualFile; |
| |
| import javax.swing.*; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.ItemEvent; |
| import java.awt.event.ItemListener; |
| import java.io.IOException; |
| import java.io.UnsupportedEncodingException; |
| import java.nio.charset.Charset; |
| import java.util.Arrays; |
| |
| public class EncodingViewer extends DialogWrapper { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.internal.encodings.EncodingViewer"); |
| |
| private JPanel myPanel; |
| private JTextArea myText; |
| private JComboBox myEncoding; |
| private JButton myLoadFile; |
| private byte[] myBytes; |
| |
| public EncodingViewer() { |
| super(false); |
| initEncodings(); |
| myLoadFile.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| VirtualFile file = FileChooser.chooseFile(FileChooserDescriptorFactory.createSingleFileNoJarsDescriptor(), myPanel, null, null); |
| if (file != null) { |
| loadFrom(file); |
| } |
| } |
| }); |
| init(); |
| } |
| |
| protected String getDimensionServiceKey() { |
| return "EncodingViewer"; |
| } |
| |
| private void loadFrom(VirtualFile virtualFile) { |
| try { |
| myBytes = virtualFile.contentsToByteArray(); |
| } |
| catch (IOException e) { |
| LOG.error(e); |
| return; |
| } |
| refreshText(); |
| } |
| |
| private void refreshText() { |
| String selectedCharset = getSelectedCharset(); |
| if (myBytes == null || selectedCharset == null) return; |
| try { |
| myText.setText(new String(myBytes, selectedCharset)); |
| } |
| catch (UnsupportedEncodingException e) { |
| LOG.error(e); |
| } |
| } |
| |
| private String getSelectedCharset() { |
| return ((Charset) myEncoding.getSelectedItem()).name(); |
| } |
| |
| private void initEncodings() { |
| Charset[] availableCharsets = CharsetToolkit.getAvailableCharsets(); |
| myEncoding.setModel(new DefaultComboBoxModel(availableCharsets)); |
| int defaultIndex = Arrays.asList(availableCharsets).indexOf(CharsetToolkit.getDefaultSystemCharset()); |
| myEncoding.setSelectedIndex(defaultIndex); |
| myEncoding.addItemListener(new ItemListener() { |
| public void itemStateChanged(ItemEvent e) { |
| if (e.getStateChange() == ItemEvent.SELECTED) { |
| refreshText(); |
| } |
| } |
| }); |
| } |
| |
| protected JComponent createCenterPanel() { |
| return myPanel; |
| } |
| } |