import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
/**
 * Create an editor entry for the given configuration name
 * 
 * @param listener the listener to trigger on property change
 * @param parent the SWT parent container
 * @param propName the name of the property to create an editor for
 * @param labelText a label (null will defaults to the property name)
 * 
 * @return a SWT Text field
 */
private Text createConfNameEditor(ModifyListener listener,
    Composite parent, String propName, String labelText) {

  {
    ConfProp prop = ConfProp.getByName(propName);
    if (prop != null)
      return createConfLabelText(listener, parent, prop, labelText);
  }

  Label label = new Label(parent, SWT.NONE);
  if (labelText == null)
    labelText = propName;
  label.setText(labelText);

  Text text = new Text(parent, SWT.SINGLE | SWT.BORDER);
  GridData data = new GridData(GridData.FILL_HORIZONTAL);
  text.setLayoutData(data);
  text.setData("hPropName", propName);
  text.setText(location.getConfProp(propName));
  text.addModifyListener(listener);

  return text;
}
 

import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
public void modifyText(ModifyEvent e) {
  final Text text = (Text) e.widget;
  Object hProp = text.getData("hProp");
  final ConfProp prop = (hProp != null) ? (ConfProp) hProp : null;
  Object hPropName = text.getData("hPropName");
  final String propName =
      (hPropName != null) ? (String) hPropName : null;

  Display.getDefault().syncExec(new Runnable() {
    public void run() {
      if (prop != null)
        mediator.notifyChange(TabAdvanced.this, prop, text.getText());
      else
        mediator
            .notifyChange(TabAdvanced.this, propName, text.getText());
    }
  });
}
 

import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
@Override
public String toString() {
  if (path.equals("/")) {
    return location.getConfProp(ConfProp.FS_DEFAULT_URI);

  } else {
    return this.path.getName();
  }
}
 

import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
/**
 * Create a SWT Text component for the given {@link ConfProp} text
 * configuration property.
 * 
 * @param listener
 * @param parent
 * @param prop
 * @return
 */
private Text createConfText(ModifyListener listener, Composite parent,
    ConfProp prop) {

  Text text = new Text(parent, SWT.SINGLE | SWT.BORDER);
  GridData data = new GridData(GridData.FILL_HORIZONTAL);
  text.setLayoutData(data);
  text.setData("hProp", prop);
  text.setText(location.getConfProp(prop));
  text.addModifyListener(listener);

  return text;
}
 

import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
/**
 * Create a SWT Checked Button component for the given {@link ConfProp}
 * boolean configuration property.
 * 
 * @param listener
 * @param parent
 * @param prop
 * @return
 */
private Button createConfCheckButton(SelectionListener listener,
    Composite parent, ConfProp prop, String text) {

  Button button = new Button(parent, SWT.CHECK);
  button.setText(text);
  button.setData("hProp", prop);
  button.setSelection(location.getConfProp(prop).equalsIgnoreCase("yes"));
  button.addSelectionListener(listener);

  return button;
}
 

import org.apache.hadoop.eclipse.server.ConfProp; //导入依赖的package包/类
public void widgetSelected(SelectionEvent e) {
  final Button button = (Button) e.widget;
  final ConfProp prop = (ConfProp) button.getData("hProp");

  Display.getDefault().syncExec(new Runnable() {
    public void run() {
      // We want to receive the update also!
      mediator.notifyChange(null, prop, button.getSelection() ? "yes"
          : "no");
    }
  });
}