package org.xmind.cathy.internal;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Platform;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.xmind.ui.preference.PreferenceFieldEditorPageSection;
import org.xmind.ui.resources.ColorUtils;
public class LanguagePreferencePageSection
extends PreferenceFieldEditorPageSection
implements IWorkbenchPreferencePage, MouseListener {
private static final String LANGUAGE_OSGI_NL_KEY = "osgi.nl"; //$NON-NLS-1$
private static final String LOADED_LANGUAGES_URL = "platform:/plugin/org.xmind.cathy/resource/langs.properties"; //$NON-NLS-1$
private Properties supportLanguageProperties;
private String oldLangKey = null;
private String newLangKey = null;
private Properties configIniProperties;
private Label langLabel;
private LocalResourceManager resource;
private static final String blue = "#0070D8"; //$NON-NLS-1$
private static final String[] supportedLangsKey = { "en_US", "de", "fr", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"zh_CN", "zh_TW", "ja", "ko", "da", "es" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
private Map<Composite, String> langMap = null;
public void init(IWorkbench workbench) {
configIniProperties = loadProperties(getConfigFile());
supportLanguageProperties = loadProperties(getSupportLanguageFile());
if (oldLangKey == null) {
String languageKey = configIniProperties
.getProperty(LANGUAGE_OSGI_NL_KEY);
oldLangKey = languageKey != null ? languageKey
: System.getProperty(LANGUAGE_OSGI_NL_KEY);
}
}
// @Override
// public void createControl(Composite parent) {
// Control body = createContents(parent);
// setControl(body);
// }
@Override
protected Control createContents(Composite parent) {
if (null == resource)
resource = new LocalResourceManager(JFaceResources.getResources(),
parent);
Composite topContainer = new Composite(parent, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(topContainer);
GridLayoutFactory.fillDefaults().numColumns(2).applyTo(topContainer);
Label describe = new Label(topContainer, SWT.NONE);
describe.setText(WorkbenchMessages.ChangeLanguageTo_description);
langLabel = new Label(topContainer, SWT.NONE);
langLabel.setText(supportLanguageProperties.getProperty(oldLangKey));
GridDataFactory.fillDefaults().grab(true, false).applyTo(langLabel);
GridLayout parentLayout = (GridLayout) parent.getLayout();
if (parentLayout != null) {
parentLayout.verticalSpacing = 10;
}
Composite container = createLangContainer(parent, 3);
//firstly init language map, and init langMap by OldLangKey.
initLangMap(container);
initByOldLangKey();
return container;
}
private void initLangMap(Composite container) {
if (null == langMap)
langMap = new HashMap<Composite, String>();
for (String lang : supportedLangsKey) {
Composite langComposite = createLang(container,
supportLanguageProperties.getProperty(lang));
langComposite.addMouseListener(this);
Control[] children = langComposite.getChildren();
for (Control child : children) {
child.addMouseListener(this);
}
langMap.put(langComposite, lang);
}
}
private void initByOldLangKey() {
if (null != langMap && langMap.containsValue(oldLangKey)) {
Iterator iterator = langMap.entrySet().iterator();
while (iterator.hasNext()) {
@SuppressWarnings("unchecked")
Map.Entry<Composite, String> item = (Entry<Composite, String>) iterator
.next();
if (oldLangKey.equals(item.getValue())) {
Composite composite = item.getKey();
changeControlBack(composite,
(Color) resource.get(ColorUtils.toDescriptor(blue)),
ColorConstants.white);
}
}
}
}
private Composite createLangContainer(Composite parent, int cols) {
Composite container = new Composite(parent, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(container);
GridLayoutFactory.fillDefaults().equalWidth(true).spacing(8, 10)
.numColumns(cols).applyTo(container);
return container;
}
private Composite createLang(Composite parent, String lang) {
Composite panel = new Composite(parent, SWT.BORDER);
panel.setBackground(ColorConstants.white);
GridLayoutFactory.fillDefaults().margins(5, 5).spacing(5, 5)
.applyTo(panel);
GridDataFactory.fillDefaults().grab(true, true).applyTo(panel);
Label langLabel = new Label(panel, SWT.NONE);
langLabel.setText(lang);
langLabel.setBackground(ColorConstants.white);
return panel;
}
private File getSupportLanguageFile() {
try {
URL url = FileLocator.find(new URL(LOADED_LANGUAGES_URL));
File supportLanguageFile = new File(
FileLocator.toFileURL(url).getPath());
return supportLanguageFile;
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
private Properties loadProperties(File file) {
if (file != null && file.exists() && file.canRead()) {
try {
InputStream stream = new BufferedInputStream(
new FileInputStream(file), 1024);
try {
Properties properties = new Properties();
properties.load(stream);
return properties;
} finally {
try {
stream.close();
} catch (IOException e) {
}
}
} catch (IOException e) {
}
}
return null;
}
private File getConfigFile() {
URL configDir = Platform.getConfigurationLocation().getURL();
try {
URL configIni = new URL(configDir, "config.ini"); //$NON-NLS-1$
File file = new File(configIni.getFile());
return file;
} catch (MalformedURLException e) {
e.printStackTrace();
}
return null;
}
private void storeProperties(Properties properties, File file) {
if (file != null && file.exists() && file.canWrite()) {
try {
OutputStream stream = new BufferedOutputStream(
new FileOutputStream(file), 1024);
try {
properties.store(stream, "Store properties into file."); //$NON-NLS-1$
} finally {
try {
stream.close();
} catch (IOException e) {
}
}
} catch (IOException e) {
}
}
}
@Override
protected void performDefaults() {
configIniProperties.put(LANGUAGE_OSGI_NL_KEY,
System.getProperty(LANGUAGE_OSGI_NL_KEY));
String lang = System.getProperty(LANGUAGE_OSGI_NL_KEY);
if (null != langMap && langMap.containsValue(lang)) {
clearLangSelection();
newLangKey = lang;
Iterator iterator = langMap.entrySet().iterator();
while (iterator.hasNext()) {
@SuppressWarnings("unchecked")
Map.Entry<Composite, String> item = (Entry<Composite, String>) iterator
.next();
if (lang.equals(item.getValue())) {
Composite composite = item.getKey();
changeControlBack(composite,
(Color) resource.get(ColorUtils.toDescriptor(blue)),
ColorConstants.white);
}
}
}
storeProperties(configIniProperties, getConfigFile());
super.performDefaults();
}
@Override
public boolean performOk() {
if (!super.performOk())
return false;
if (null != newLangKey && !oldLangKey.equals(newLangKey)) {
String message = WorkbenchMessages.LanguagePrefPage_ConfirmToRestart2_description;
MessageDialog confirmDialog = new MessageDialog(getShell(),
WorkbenchMessages.ConfirmToRestart_title, null, message,
MessageDialog.CONFIRM,
new String[] {
WorkbenchMessages.LanguagePrefPage_ConfirmToRestart2_defaultButton,
WorkbenchMessages.LanguagePrefPage_ConfirmToRestart_laterButton },
IDialogConstants.OK_ID);
int restart = confirmDialog.open();
if (restart == -1)
return false;
configIniProperties.put(LANGUAGE_OSGI_NL_KEY, newLangKey);
storeProperties(configIniProperties, getConfigFile());
if (restart == IDialogConstants.OK_ID) {
PlatformUI.getWorkbench().restart();
}
}
return true;
}
public void mouseDoubleClick(MouseEvent e) {
mouseDown(e);
this.performOk();
}
public void mouseDown(MouseEvent e) {
Composite composite = null;
Object object = e.getSource();
if (null != object && object instanceof Control) {
if (object instanceof Composite)
composite = (Composite) object;
else if (object instanceof Label)
composite = ((Label) object).getParent();
}
changeLangSelection(composite);
}
public void mouseUp(MouseEvent e) {
}
private void changeLangSelection(Composite composite) {
if (null != composite) {
clearLangSelection();
newLangKey = null;
changeControlBack(composite,
(Color) resource.get(ColorUtils.toDescriptor(blue)),
ColorConstants.white);
if (langMap.containsKey(composite)) {
newLangKey = langMap.get(composite);
langLabel.setText(
supportLanguageProperties.getProperty(newLangKey));
}
}
}
private void clearLangSelection() {
Iterator iterator = langMap.entrySet().iterator();
while (iterator.hasNext()) {
@SuppressWarnings("unchecked")
Map.Entry<Composite, String> it = (Entry<Composite, String>) iterator
.next();
changeControlBack(it.getKey(), ColorConstants.white,
ColorConstants.black);
}
}
private void changeControlBack(Composite composite, Color color,
Color fontColor) {
composite.setBackground(color);
Control[] children = composite.getChildren();
for (Control child : children) {
child.setBackground(color);
child.setForeground(fontColor);
}
}
@Override
protected void createFieldEditors() {
}
}
