package com.googlecode.richrest.client.view.jface;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Map;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import com.googlecode.richrest.client.Client;
import com.googlecode.richrest.client.PropertyInfo;
import com.googlecode.richrest.client.event.PropertyEvent;
import com.googlecode.richrest.client.event.PropertyListener;
public class ConfigurationPane extends Composite {
private final Client client;
private final PropertyListener configurationListener;
private final ArrayList<PropertyInfo> configurations = new ArrayList<PropertyInfo>();
private final List configurationList;
public ConfigurationPane(final Composite parent, final Client client) {
super(parent, SWT.NONE);
if (client == null)
throw new NullPointerException("Client == null!");
this.client = client;
ToolBar toolBar = new ToolBar(this, SWT.NONE);
toolBar.setSize(400, 40);
ToolItem saveItem = new ToolItem(toolBar, SWT.NONE);
saveItem.setImage(Images.getImage("save.gif"));
saveItem.setText("保存");
saveItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
FileDialog fileDialog = new FileDialog(parent.getShell(), SWT.SAVE);
fileDialog.setFileName("transport.properties");
String fileName = fileDialog.open();
File file = new File(fileName);
if (file.exists()) {
boolean ch = MessageDialog.openQuestion(parent.getShell(), "保存", "文件已存在，是否覆盖?");
if (! ch)
return;
}
try {
FileWriter writer = null;
try {
writer = new FileWriter(file);
for (Map.Entry<Object, Object> entry : client.getProperties().entrySet()) {
writer.write(entry.getKey() + "=" + entry.getValue() + "\n");
}
writer.flush();
} finally {
if (writer != null)
writer.close();
}
MessageDialog.openInformation(parent.getShell(), "保存", "保存配置列表成功!");
} catch (IOException ex) {
MessageDialog.openWarning(parent.getShell(), "保存", "保存配置列表失败! 原因: " + ex.getMessage());
}
}
});
ToolItem editItem = new ToolItem(toolBar, SWT.NONE);
editItem.setImage(Images.getImage("edit.gif"));
editItem.setText("修改");
/*editItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (getConfigurationModelSize() == 0) {
MessageDialog.openWarning(parent.getShell(), "修改", "没有任何配置项!");
return;
}
PropertyInfo configuration = null;
synchronized (configurations) {
int selected = configurationList.getSelectionIndex();
if (selected > -1 && selected < configurations.size())
configuration = (PropertyInfo)configurations.get(selected);
}
if (configuration == null) {
MessageDialog.openWarning(parent.getShell(), "修改", "请选择配置项!");
return;
}
String desc = configuration.getDescription();
if (desc != null && desc.length() > 0) {
boolean ch = MessageDialog.openQuestion(parent.getShell(), "修改", desc + "\n是否继续修改?");
if (! ch)
return;
}
InputDialog configurationInputDialog = new InputDialog(parent.getShell(), "输入", "请输入配置项\"" + configuration.getName() + "\"的新值：", configuration.getDefaultValue(), null);
int ch = configurationInputDialog.open();
if (ch == InputDialog.OK) {
String newValue = configurationInputDialog.getValue();
if (! newValue.equals(configuration.getValue())) {
client.setProperty(configuration.getKey(), newValue);
MessageDialog.openInformation(parent.getShell(), "修改", "修改配置项成功!");
}
}
}
});*/
ToolItem refreshItem = new ToolItem(toolBar, SWT.NONE);
refreshItem.setImage(Images.getImage("refresh.gif"));
refreshItem.setText("刷新");
refreshItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
refreshConfigurationList();
MessageDialog.openInformation(parent.getShell(), "刷新", "刷新配置项成功!");
}
});
configurationList = new List(this, SWT.BORDER|SWT.V_SCROLL|SWT.H_SCROLL);
configurationList.setBounds(0, 40, 484, 400);
configurationListener = new PropertyListener() {
public void onPropertyChanged(final PropertyEvent event) {
final PropertyInfo configuration = event.getPropertyInfo();
synchronized (configurations) {
if (configurations.contains(configuration)) {
final int i = configurations.indexOf(configuration);
configurations.set(i, configuration);
configurationList.setItem(i, configuration.toString());
}
}
}
public boolean isAsync() {
return false;
}
};
client.addListener(configurationListener);
refreshConfigurationList();
}
private void refreshConfigurationList() {
Map<String, PropertyInfo> configs = client.getPropertyInfos();
synchronized (configurations) {
configurations.clear();
configurationList.removeAll();
for (PropertyInfo configuration : configs.values()) {
configurations.add(configuration);
configurationList.add(configuration.toString());
}
}
}
private int getConfigurationModelSize() {
synchronized (configurations) {
return configurations.size();
}
}
@Override
public void dispose() {
client.removeListener(configurationListener);
super.dispose();
}
}