Java Code Examples for org.eclipse.swt.widgets.Listener

@Override
  protected void configureShell(Shell newShell) {
      super.configureShell(newShell);
      this.currentShell = newShell;
      this.currentShell.setText(this.title);
      this.currentShell.getDisplay().addFilter(SWT.Traverse, new Listener() {
	@Override
	public void handleEvent(Event event) {
		switch (event.detail) {
		case SWT.TRAVERSE_ESCAPE:
			event.doit = false;
			cancelPressed();
			break;

		default:
			break;
		}
	}
});
  }
 

/**
 * Gets the text box value 1 listener.
 * 
 * @param conditionsList
 *            the conditions list
 * @param fieldsAndTypes
 *            the fields and types
 * @param fieldNames
 *            the field names
 * @param saveButton
 *            the save button
 * @param displayButton
 *            the display button
 * @return the text box value 1 listener
 */
public  Listener getTextBoxValue1Listener(final List<Condition> conditionsList, 
		final Map<String, String> fieldsAndTypes, final String[] fieldNames, final Button saveButton, final Button displayButton) {
	Listener listener = new Listener() {
		
		@Override
		public void handleEvent(Event event) {
			Text text = (Text)event.widget;
			int index = (int) text.getData(FilterConstants.ROW_INDEX);
			Condition filterConditions = conditionsList.get(index);
			filterConditions.setValue1(text.getText());
			validateText(text, filterConditions.getFieldName(), fieldsAndTypes, filterConditions.getConditionalOperator());
			toggleSaveDisplayButton(conditionsList, fieldsAndTypes, fieldNames, saveButton, displayButton);
		}
	};
	return listener;
}
 

public void open() {
	final Shell shell = new Shell(getParent(), getStyle());
	shell.setText("Find/replace");
	createContents(shell);
	shell.pack();
	shell.open();

	Listener researcherListener = new Listener() {
		public void handleEvent(Event event) {
			if (resultsIterator != null)
				resultsIterator = null;
		}
	};
	text.addListener(SWT.Modify, researcherListener);

	Display display = getParent().getDisplay();
	while (!shell.isDisposed())
		if (!display.readAndDispatch())
			display.sleep();

	text.removeListener(SWT.Modify, researcherListener);
	clearSearchResults();
}
 

private void renderTransparency(final Shell shell) {
	Group group = new Group(shell, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 6, 1));
	group.setLayout(new GridLayout(1, false));
	group.setText("Transparency");
	final Scale transparencySlider = new Scale(group, SWT.HORIZONTAL);
	transparencySlider.setMinimum(20);
	transparencySlider.setMaximum(100);
	transparencySlider.setPageIncrement(90);
	transparencySlider.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
	transparencySlider.setSelection(100);
	transparencySlider.addListener(SWT.Selection, new Listener() {

		@Override
		public void handleEvent(Event event) {
			shell.setAlpha(255 * transparencySlider.getSelection() / 100);
		}
	});
}
 

/**
 * Create contents of the dialog.
 * @param parent
 */
@Override
protected Control createDialogArea(Composite parent) {
	Composite container = (Composite) super.createDialogArea(parent);
	
	Link link = new Link(container, SWT.NONE);
	link.setText("Your project has been successfully deployed.\n\nYou can try it with this URL:\n<a href=\""+ projectURL + "\">" + projectURL + "</a>");
	link.addListener (SWT.Selection, new Listener () {
		
		public void handleEvent(Event event) {
			org.eclipse.swt.program.Program.launch(event.text);
		}
		
	});
			
	link.setSize(330, 150);

	return container;
}
 

public GeneratorChoiceComposite(Composite parent, int style, IStructuredSelection selection, Listener listener) {
	super(parent, style);

	setLayout(new GridLayout(12, false));
	GridData gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	gridData.grabExcessHorizontalSpace = true;
	setLayoutData(gridData);

	this.listener = listener;
	this.selection = selection;
	IFile file = (IFile) selection.getFirstElement();
	loadAncestor(file);
	findStartElement () ;
	Label explanationLabel = new Label(this, SWT.NONE);
	explanationLabel.setLayoutData(new GridData(SWT.FILL));
	explanationLabel.setText(MessageUtil.getString("three_modes_explanation"));

	skip(this);

	createAppendMode();
	createExtendMode();
	createNewMode();

}
 

private void buildLeftColumn() {
	final Composite composite = new Composite(this.shell, SWT.NONE);
	final GridData gd = new GridData(GridData.FILL, GridData.BEGINNING, false,
			true, 1, 1);
	composite.setLayoutData(gd);
	final FillLayout compositeLayout = new FillLayout();
	compositeLayout.marginWidth = 2;
	composite.setLayout(compositeLayout);
	final Label label = new Label(composite, SWT.NONE);
	if (this.image == null) {
		this.image = new Image(display, this.getClass().getClassLoader()
				.getResourceAsStream("images/document_wrench_color.png"));
		shell.addListener(SWT.Close, new Listener() {
			@Override
			public void handleEvent(Event event) {
				image.dispose();
			}
		});

	}
	label.setImage(this.image);
}
 

private void buildLeftColumn() {
	final Composite composite = new Composite(this.shell, SWT.NONE);
	final GridData gd = new GridData(GridData.FILL, GridData.BEGINNING, false,
			true, 1, 1);
	composite.setLayoutData(gd);
	final FillLayout compositeLayout = new FillLayout();
	compositeLayout.marginWidth = 2;
	composite.setLayout(compositeLayout);
	final Label label = new Label(composite, SWT.NONE);
	if (this.image == null) {
		this.image = new Image(display, this.getClass().getClassLoader()
				.getResourceAsStream("images/light1.png"));
		shell.addListener(SWT.Close, new Listener() {
			@Override
			public void handleEvent(Event event) {
				image.dispose();
			}
		});

	}
	label.setImage(this.image);
}
 

private void attachMouseScrollButtonListener(final ScrolledComposite scrolledComposite){
	scrolledComposite.addListener(SWT.MouseWheel, new Listener() {
		@Override
		public void handleEvent(Event event) {
			int wheelCount = event.count;
			wheelCount = (int) Math.ceil(wheelCount / 3.0f);
			while (wheelCount < 0) {
				scrolledComposite.getVerticalBar().setIncrement(4);
				wheelCount++;
			}

			while (wheelCount > 0) {
				scrolledComposite.getVerticalBar().setIncrement(-4);
				wheelCount--;
			}
		}
	});
}
 

@Override
public void created(final MainStatusBar.CLabelPadding label) {
	final Listener click_listener = new Listener() {
		@Override
		public void handleEvent(Event e) {
			onClick();
		}
	};

	Utils.execSWTThread(new AERunnable() {
		@Override
		public void runSupport() {
			label.addListener(SWT.MouseDoubleClick, click_listener);
		}
	}, true);
}
 

@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helper, Widget... widgets) {
	final Widget[] widgetList = widgets;
	if (helper != null){
		txtDecorator = (ControlDecoration) helper.get(HelperType.CONTROL_DECORATION);
	}
	
	Listener listener = new Listener() {
		@Override
		public void handleEvent(Event event) {
			String charSet = ((Text) widgetList[0]).getText();
			if(SWT.FocusIn == event.type) {
					if (StringUtils.isEmpty(charSet)) {
					txtDecorator.show();
					((Text) widgetList[0]).setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry( 255, 255, 255));
					((Text) widgetList[0]).setToolTipText(txtDecorator.getDescriptionText());
				} else {
					txtDecorator.hide();
				}
			}
		}
	};
	return listener;
}
 

@Override
public Listener getListener(
		PropertyDialogButtonBar propertyDialogButtonBar,
		ListenerHelper helper, Widget... widgets) {
	final Widget[] widgetList = widgets;
	if (helper != null) {
		txtDecorator = (ControlDecoration) helper.get(HelperType.CONTROL_DECORATION);
	}

	Listener listener = new Listener() {

		@Override
		public void handleEvent(Event event) {
			String charSet = ((Text) widgetList[0]).getText().trim();
			if (event.type == SWT.FocusIn) {
				((Text) widgetList[0]).setText(charSet.replace("@{", "").replace("}", ""));
			}
		}
	};

	return listener;
}
 

@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helper,  Widget... widgets) {
		if (helper != null) {
			txtDecorator = (ControlDecoration) helper.get(HelperType.CONTROL_DECORATION);
		}

		Listener listener=new Listener() {
			@Override
			public void handleEvent(Event event) {
				String string=event.text;
				Matcher matchs=Pattern.compile("[\\d]*").matcher(string);
				if(!matchs.matches()){
					txtDecorator.setDescriptionText(Messages.FIELDBATCH);
					txtDecorator.show();
					event.doit=false;
			}else
				txtDecorator.hide();
			}
		};
	return listener;
}
 

public IntListParameter(Composite composite, final String name,
	int defaultValue, final String labels[], final int values[]) {
super(name);
this.name = name;
this.values = values;

    if(labels.length != values.length)
      return;
    int value = COConfigurationManager.getIntParameter(name,defaultValue);
    int index = findIndex(value,values);
    list = new Combo(composite,SWT.SINGLE | SWT.READ_ONLY);
    for(int i = 0 ; i < labels.length  ;i++) {
      list.add(labels[i]);
    }

    setIndex(index);

    list.addListener(SWT.Selection, new Listener() {
         @Override
         public void handleEvent(Event e) {
        	 setIndex(list.getSelectionIndex());
         }
       });

  }
 

@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helpers,
		Widget... widgets) {
	final Widget[] widgetList = widgets;
	
	Listener listener = new Listener() {
		@Override
		public void handleEvent(Event event) {
			if (StringUtils.equalsIgnoreCase(((Button) widgetList[0]).getText(), String.valueOf(FAST_LOAD)) && ((Button) widgetList[0]).getSelection() ) {
				MessageBox messageBox = new MessageBox(Display.getCurrent().getActiveShell(),
						SWT.ICON_INFORMATION | SWT.OK);
				messageBox.setText(INFORMATION);
				messageBox.setMessage(Messages.FAST_LOAD_ERROR_MESSAGE);
				messageBox.open();
			}
		}
	};
	return listener;
}
 

@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar,ListenerHelper helpers, Widget... widgets) {
	final Widget[] widgetList = widgets;
			 
	Listener listener=new Listener() {
		@Override
		public void handleEvent(Event event) {
			if (((Button)widgetList[0]).getSelection()) {
				((Button)widgetList[1]).setEnabled(false);
				((Button)widgetList[2]).setEnabled(false);
				((Button)widgetList[3]).setEnabled(false);
			} else {
				((Button)widgetList[1]).setEnabled(true);
				((Button)widgetList[2]).setEnabled(true);
				((Button)widgetList[3]).setEnabled(true);
			}
			}
	};
	return listener;
}
 

@Override
public Listener getListener(final PropertyDialogButtonBar propertyDialogButtonBar,final ListenerHelper helpers, Widget... widgets) {
	final Widget[] widgetList = widgets;
			
	if (helpers != null) {
		file_extension=(String)helpers.get(HelperType.FILE_EXTENSION);
	}
	
	Listener listener=new Listener() {
		@Override
		public void handleEvent(Event event) {
			FilterOperationClassUtility.INSTANCE.browseFile(file_extension, (Text) widgetList[0]);
			propertyDialogButtonBar.enableApplyButton(true);
			}
	};
	return listener;
}
 

@Override
public Listener getListener(
		final PropertyDialogButtonBar propertyDialogButtonBar,
		final ListenerHelper helpers, Widget... widgets) {
	final Widget[] wigetList = widgets;

	Listener listener = new Listener() {

		@Override
		public void handleEvent(Event event) {
			if (event.type == SWT.CHANGED) {
				propertyDialogButtonBar.enableApplyButton(true);
			}
		}
	};
	return listener;
}
 

@Override
public Listener getListener(final PropertyDialogButtonBar propertyDialogButtonBar, final ListenerHelper helpers, Widget... widgets) {
	final Widget[] widgetList = widgets;
	
	if (helpers != null) {
		widgetConfig = (WidgetConfig) helpers.get(HelperType.WIDGET_CONFIG);
	}
	
	 Listener listener=new Listener() {
		@Override
		public void handleEvent(Event event) {
			String comboValue = ((Combo) widgetList[0]).getText();
			if (comboValue.equals(Messages.CUSTOM)) {
				FilterOperationClassUtility.INSTANCE.createNewClassWizard((Text) widgetList[1], widgetConfig);
				if(helpers.get(HelperType.OPERATION_CLASS_DIALOG_OK_CONTROL) instanceof OperationClassDialog)
				{
					OperationClassDialog operationClassDialog=(OperationClassDialog)helpers.get(HelperType.OPERATION_CLASS_DIALOG_OK_CONTROL);
					operationClassDialog.getShell().setFocus();
				}
					
				propertyDialogButtonBar.enableApplyButton(true);
			}
		}
	};
	return listener;
}
 

@Override
public Listener getListener(final PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helper,
		Widget... widgets) {
	final Widget[] widgetList = widgets;

	Listener listener = new Listener() {
		@Override
		public void handleEvent(Event event) {
			if (StringUtils.equalsIgnoreCase(((Combo) widgetList[0]).getText(), String.valueOf(Boolean.TRUE))) {
				MessageBox messageBox = new MessageBox(Display.getCurrent().getActiveShell(),
						SWT.ICON_INFORMATION | SWT.OK);
				messageBox.setText(INFORMATION);
				messageBox.setMessage("All files at given location will be overwritten.");
				messageBox.open();
			}
		}
	};
	return listener;
}
 

@Override
public Listener getListener(PropertyDialogButtonBar propertyDialogButtonBar, ListenerHelper helper,  Widget... widgets) {
	final Widget[] widgetList = widgets;
		Listener listener=new Listener() {
			@Override
			public void handleEvent(Event event) {
				String string=((Text) widgetList[0]).getText().trim();
				Matcher matcher=Pattern.compile("[\\d]*").matcher(string);
				if(!matcher.matches() && StringUtils.isNotBlank(string)){
					((Text) widgetList[0]).setText(string.replace("@{", "").replace("}", ""));
					((Text) widgetList[0]).setText("@{"+((Text) widgetList[0]).getText()+"}");
					((Text) widgetList[0]).setBackground(CustomColorRegistry.INSTANCE.getColorFromRegistry( 255, 255, 255));
				}
			}
		};
	return listener;
}
 

/**
 * Notifies the WindowRemovedListener handlers
 * @param sender A SWT shell that "sends" the events
 */
protected final void notifyRemoveListeners(Shell sender)
{
    Iterator iter = removeHandlers.iterator();
    for(int i = 0; i < removeHandlers.size(); i++)
    {
        ((Listener)iter.next()).handleEvent(getSWTEvent(sender));
    }
}
 

private ToolItem addItemToToolBar(ToolBar bar, String text, String toolTip,
		int type, Listener listener, Image icon) {
	ToolItem item = addItemToToolBar(bar, text, toolTip, type);

	if (listener != null)
		item.addListener(SWT.Selection, listener);
	if (icon != null)
		item.setImage(icon);

	return item;
}
 

@Override
public void addListener( int eventType, Listener listener ) {
	boolean wasListening = isListening( SWT.Selection );
	super.addListener( eventType, listener );
	if( eventType == SWT.Selection && !wasListening ) {
		remoteObject.listen( "Selection", true );
	}
}
 

/**
 * 
 * Mouse click listener to set focus on tooltip container
 * 
 * @param container
 * @return
 */
private Listener getMouseClickListener(final Composite container) {
	return new Listener() {
		
		@Override
		public void handleEvent(Event event) {
			logger.debug("ComponentTooltip.getMouseClickListener() - setting foucs to container");
			container.setFocus();
		}
	};
}
 

public static Observable<Event> displayFilter(Display display, int eventType) {
	checkNotNull(display, "display == null");
	return new DisplayObservable(display, eventType) {

		@Override
		protected void addlistener(Listener listener) {
			display.addFilter(eventType, listener);
		}
	};
}
 

public static Observable<Event> displayListener(Display display, int eventType) {
	checkNotNull(display, "display == null");
	return new DisplayObservable(display, eventType) {

		@Override
		protected void addlistener(Listener listener) {
			display.addListener(eventType, listener);
		}
	};
}
 

@Override
public Listener makeSelectionListener(MenuItem menu_item) {
	final MenuItemImpl mii = (MenuItemImpl) menu_item;
	return new Listener() {
		@Override
		public void handleEvent(Event e) {
			mii.invokeListenersMulti(objects);
		}
	};
}
 

/**
 * Create the keyboard handler for the directory pane.
 * These are keys that are <em>only</em> active in the directory
 * viewer.  See createToolbarCommandHandler for the general application
 * keyboard handler.  
 * @see #createToolbarCommandHandler
 */
private Listener createDirectoryKeyboardHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				TreeItem[] treeItem = null;
				if ((event.stateMask & SWT.CTRL) != 0) {
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], true);
							break;
					}
				} else {	// assume no control and no alt
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(true);
							break;
					}
				}
			}
		}		
	};
}
 

private void createAppendMode() {
	btnAppendRadioButton = new Button(this, SWT.RADIO);
	btnAppendRadioButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 12, 1));
	btnAppendRadioButton.setText(MessageUtil.getString("append_mode"));
	btnAppendRadioButton.setSelection(true);
	btnAppendRadioButton.addListener(SWT.Selection, new Listener() {
		public void handleEvent(Event e) {
			switch (e.type) {
			case SWT.Selection:
				updateUI();
				break;
			}
		}
	});
	btnAppendRadioButton.setData(GW4E_CONVERSION_WIDGET_ID, GW4E_APPEND_CHECKBOX);

	Composite composite = new Composite(this, SWT.NONE);
	composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 12, 1));
	composite.setLayout(new GridLayout(12, false));

	lblAppendClassNameLabel = new Label(composite, SWT.NONE);
	lblAppendClassNameLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 4, 1));
	lblAppendClassNameLabel.setText("Class name");

	comboAppendClassnameViewer = new AncestorViewer(composite);
	comboAppendClassnameViewer.initialize(GW4E_CONVERSION_COMBO_ANCESTOR_EXTEND_TEST, false);
	comboAppendClassnameViewer.getCombo().setData(GW4E_CONVERSION_WIDGET_ID, GW4E_CONVERSION_COMBO_ANCESTOR_APPEND_TEST);
	Combo combo = comboAppendClassnameViewer.getCombo();
	combo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 8, 1));
	combo.setEnabled(true);
}
 

private void createNewMode() {
	btnCreateNewRadioButton = new Button(this, SWT.RADIO);
	btnCreateNewRadioButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 12, 1));
	btnCreateNewRadioButton.setText(MessageUtil.getString("standalone_mode"));
	btnCreateNewRadioButton.setSelection(false);
	btnCreateNewRadioButton.addListener(SWT.Selection, new Listener() {
		public void handleEvent(Event e) {
			switch (e.type) {
			case SWT.Selection:
				updateUI();
				break;
			}
		}
	});
	btnCreateNewRadioButton.setData(GW4E_CONVERSION_WIDGET_ID, GW4E_NEWCLASS_CHECKBOX);

	Composite composite = new Composite(this, SWT.NONE);
	composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 12, 1));
	composite.setLayout(new GridLayout(12, false));

	lblNewClassnameLabel = new Label(composite, SWT.NONE);
	lblNewClassnameLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 4, 1));
	lblNewClassnameLabel.setText("Class name");
	lblNewClassnameLabel.setEnabled(false);

	newClassnameText = new Text(composite, SWT.BORDER);
	newClassnameText.setEnabled(false);
	newClassnameText.addModifyListener(new ModifyListener() {
		public void modifyText(ModifyEvent event) {
			listener.handleEvent(null);
		}
	});
	newClassnameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 8, 1));
	newClassnameText.setEnabled(false);
	newClassnameText.setData(GW4E_CONVERSION_WIDGET_ID, GW4E_NEWCLASS_TEXT);
}
 

public void init (Listener listener,GridData gd) {
	getTable().setLayoutData(new GridData(GridData.FILL_BOTH));

	getTable().setLayoutData(gd);
	
			
	setContentProvider(new IStructuredContentProvider() {
		@Override
		public Object[] getElements(Object inputElement) {
			BuildPolicy[] ret = (BuildPolicy[]) inputElement;
			return ret;
		}
	});

	setLabelProvider(new LabelProvider() {
		@Override
		public String getText(Object element) {
			BuildPolicy bp = (BuildPolicy) element;
			return bp.getPathGenerator();
		}

	});
	getTable().addListener(SWT.Resize, new Listener() {
		@Override
		public void handleEvent(Event event) {
			TableHelper.handleEvent(event);
		}
	});

	TableColumn column = new TableColumn(getTable(), SWT.LEFT);
	column.setText("");
	column.pack();

	getTable().setHeaderVisible(true);
	getTable().setLinesVisible(true);

	getTable().addListener(SWT.Selection, listener);

}
 

/**
 * The toolbar command handler contains the global toolbar
 * actions. The intent is that the listener is then added to 
 * multiple visual components.
 */
public Listener createToolbarCommandHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				if ((event.stateMask & SWT.CTRL) != 0) {	// CTRL+key
					switch (event.character) {
						case CTRL_C:
							getContentTypeAdapter().copy();
							break;
						case CTRL_A:
							getContentTypeAdapter().selectAll();
							break;
						case CTRL_P:
							getContentTypeAdapter().print();
							break;
					}
				} else if ((event.stateMask & SWT.ALT) == 0) { // key alone
					switch (event.keyCode) {
						case SWT.F2:	// the "native" file format (image, text, etc)
							getNativeFilterAdapter().display();
							setFilterToolItemSelection(true, false, false);
							break;
						case SWT.F3:	// Hex format
							getHexFilterAdapter().display();
							setFilterToolItemSelection(false, true, false);
							break;
						case SWT.F4:	// "Raw" hex format
							getRawDumpFilterAdapter().display();
							setFilterToolItemSelection(false, false, true);
							break;
					}
				}
			}
		}
	};
}
 

/**
 * Create the keyboard handler for the directory pane.
 * These are keys that are <em>only</em> active in the directory
 * viewer.  See createToolbarCommandHandler for the general application
 * keyboard handler.  
 * @see #createToolbarCommandHandler
 */
private Listener createDirectoryKeyboardHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				TreeItem[] treeItem = null;
				if ((event.stateMask & SWT.CTRL) != 0) {
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], true);
							break;
					}
				} else {	// assume no control and no alt
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(true);
							break;
					}
				}
			}
		}		
	};
}
 

/**
 * Create the keyboard handler for the file pane.
 * These are keys that are <em>only</em> active in the file
 * viewer.  See createToolbarCommandHandler for the general application
 * keyboard handler.  
 * @see #createToolbarCommandHandler
 */
private Listener createFileKeyboardHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			FileEntry fileEntry = getSelectedFileEntry();
			if (fileEntry != null && event.type == SWT.KeyUp && (event.stateMask & SWT.CTRL) != 0) {
				switch (event.character) {
					case CTRL_C:	// Compile Wizard
						if (getCompileToolItem().isEnabled()) {
							compileFileWizard();
						}
						break;
					case CTRL_D:	// Delete file
						if (getDeleteToolItem().isEnabled()) {
							deleteFile();
						}
						break;
					case CTRL_E:	// Export Wizard
						exportFileWizard();
						break;
					case CTRL_V:	// View file
						viewFile(null);
						break;
				}		
			}
		}
	};
}
 

@Override
public void removeListener( int eventType, Listener listener ) {
	boolean wasListening = isListening( SWT.Selection );
	super.removeListener( eventType, listener );
	if( eventType == SWT.Selection && wasListening ) {
		if( !isListening( SWT.Selection ) ) {
			remoteObject.listen( "Selection", false );
		}
	}
}
 

protected void createButtonsForButtonBar(Composite parent) {
      // create OK and Cancel buttons by default
      okButton = createButton(parent, IDialogConstants.OK_ID,
              IDialogConstants.OK_LABEL, true);
      createButton(parent, IDialogConstants.CANCEL_ID,
              IDialogConstants.CANCEL_LABEL, false);
      //do this here because setting the text will set enablement on the ok
      // button
      nameText.setFocus();
      if (name != null) {
          nameText.setText(name);
      }
      if (value != null) {
          valueText.setText(value);
      }
      viewer.setInput(possibleParents);
      if (this.parent != null) {
      	viewer.setSelection(new StructuredSelection(this.parent));
      }
      viewer.addSelectionChangedListener(new ISelectionChangedListener() {
	
	@Override
	public void selectionChanged(
			SelectionChangedEvent event) {
		parentSelected(valueFromSelection(event.getSelection()));
		validateInput();
	}
});
      viewer.getControl().addListener(SWT.Modify, new Listener() {

	@Override
	public void handleEvent(Event arg0) {
		validateInput();
	}
      	
      });
  }
 

private void addMouseUpListener() {
	addListener(SWT.MouseUp, new Listener() {
		@Override
		public void handleEvent(final Event event) {
			for (final BreadcrumbItem item : Breadcrumb.this.items) {
				if (item.getBounds().contains(event.x, event.y)) {
					if (item.getData(IS_BUTTON_PRESSED) == null) {
						// The button was not pressed
						return;
					}
					item.setData(IS_BUTTON_PRESSED, null);

					if ((item.getStyle() & SWT.PUSH) != 0) {
						item.setSelection(false);
					}

					if ((item.getStyle() & (SWT.TOGGLE | SWT.PUSH)) != 0) {
						item.fireSelectionEvent();
						redraw();
						update();
					}
					return;
				}
			}
		}
	});
}
 

private void addMouseHoverListener() {
	addListener(SWT.MouseHover, new Listener() {
		@Override
		public void handleEvent(final Event event) {
			for (final BreadcrumbItem item : Breadcrumb.this.items) {
				if (item.getBounds().contains(event.x, event.y)) {
					setToolTipText(
							item.getTooltipText() == null ? "" : item.getTooltipText());
					return;
				}
			}
		}
	});
}
 

private Listener getMouseClickListener() {
	return new Listener() {
		
		@Override
		public void handleEvent(Event event) {
			for(AbstractWidget abstractWidget: eltWidgetList){
		    	  if(abstractWidget.getFirstTextWidget() != null){
		    		   abstractWidget.getFirstTextWidget().setFocus();
		    	  }
		      }
		}
	};
}