com.google.gwt.event.dom.client.KeyUpEvent Java Examples

/**
 * Installs a key handler for key events on this window.
 *
 * @param handler handler to receive key events.
 */
static void install(KeySignalHandler handler) {
  //
  // NOTE: There are three potential candidate elements for sinking keyboard
  // events: the window, the document, and the document body. IE7 does not
  // fire events on the window element, and GWT's RootPanel is already a
  // listener on the body, leaving the document as the only cross-browser
  // whole-window event-sinking 'element'.
  //
  DocumentPanel panel = new DocumentPanel(handler);
  panel.setElement(Document.get().<Element>cast());
  panel.addDomHandler(panel, KeyDownEvent.getType());
  panel.addDomHandler(panel, KeyPressEvent.getType());
  panel.addDomHandler(panel, KeyUpEvent.getType());
  RootPanel.detachOnWindowClose(panel);
  panel.onAttach();
}
 

public static AriaStatus getInstance() {
	if (sStatus == null) {
		RootPanel statusPanel = RootPanel.get("UniTimeGWT:AriaStatus");
		if (statusPanel != null && "1".equals(Window.Location.getParameter("aria"))) {
			sStatus = new AriaStatus(statusPanel.getElement(), false);
			sStatus.setStyleName("unitime-VisibleAriaStatus");
		} else {
			sStatus  = new AriaStatus(false);
			RootPanel.get().add(sStatus);
		}
		
		RootPanel.get().addDomHandler(new KeyUpHandler() {
			@Override
			public void onKeyUp(KeyUpEvent event) {
   				if (event.getNativeEvent().getKeyCode() == 191 && (event.isControlKeyDown() || event.isAltKeyDown())) {
   					sStatus.setHTML(sStatus.getHTML());
   				}
   			}
   		}, KeyUpEvent.getType());
	}
	return sStatus;
}
 

private KeyUpHandler setRedoHandler() {
	final KeyUpHandler handler = new KeyUpHandler() {
		@Override
		public void onKeyUp(final KeyUpEvent event) {
			if (KeyCodes.KEY_R == event.getNativeEvent().getKeyCode()) {
				for (final Control control : controls) {
					try {
						((DrawFeature) control).redo();
					} catch (Exception e) {
						LOGGER.error("ACTION REDO: "
								+ control.getControlId());
					}
				}
			}
		}
	};
	return handler;
}
 

private KeyUpHandler setUndoHandler() {
	final KeyUpHandler handler = new KeyUpHandler() {
		@Override
		public void onKeyUp(final KeyUpEvent event) {
			if (KeyCodes.KEY_U == event.getNativeEvent().getKeyCode()) {
				for (final Control control : controls) {
					try {
						((DrawFeature) control).undo();
					} catch (Exception e) {
						LOGGER.error(
								"ACTION UNDO: " + control.getControlId(), e);
					}
				}
			}
		}
	};
	return handler;
}
 

@Override
protected void extend(final ServerConnector target) {
    textFieldWidget = (VTextField) ((ComponentConnector) target).getWidget();
    textFieldWidget.setImmediate(true);
    textFieldWidget.textChangeEventMode = "EAGER";
    panel.setWidget(select);
    panel.setStyleName("suggestion-popup");
    panel.setOwner(textFieldWidget);

    textFieldWidget.addKeyUpHandler(new KeyUpHandler() {
        @Override
        public void onKeyUp(final KeyUpEvent event) {
            if (panel.isAttached()) {
                handlePanelEventDelegation(event);
            } else if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
                rpc.executeQuery(textFieldWidget.getValue(), textFieldWidget.getCursorPos());
            } else {
                doAskForSuggestion();
            }
        }
    });
}
 

private void handlePanelEventDelegation(final KeyUpEvent event) {
    switch (event.getNativeKeyCode()) {
    case KeyCodes.KEY_DOWN:
        arrowKeyDown(event);
        break;
    case KeyCodes.KEY_UP:
        arrorKeyUp(event);
        break;
    case KeyCodes.KEY_ESCAPE:
        escapeKey();
        break;
    case KeyCodes.KEY_ENTER:
        enterKey();
        break;
    default:
        doAskForSuggestion();
    }
}
 

private KeyUpHandler setEscapeHandler() {
	KeyUpHandler handler = new KeyUpHandler() {
		@Override
		public void onKeyUp(final KeyUpEvent event) {
			if (KeyCodes.KEY_ESCAPE == event.getNativeEvent().getKeyCode()) {
				for (Control control : controls) {
					try {
						((DrawFeature) control).cancel();
					} catch (Exception e) {
						LOGGER.error("ACTION CANCELED: "
								+ control.getControlId());
					}
				}
			}
		}
	};
	return handler;
}
 

public Widget asWidget() {


        filter.setMaxLength(30);
        filter.setVisibleLength(20);
        filter.getElement().setAttribute("style", "width:120px;");

        filter.addKeyUpHandler(new KeyUpHandler() {
            @Override
            public void onKeyUp(KeyUpEvent keyUpEvent) {

                Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {

                    @Override
                    public void execute() {
                        String prefix = filter.getText();

                        if (prefix != null && !prefix.equals("")) {
                            // filter by prefix
                            filterByPrefix(prefix);
                        } else {
                            clearFilter();
                        }
                    }

                });
            }
        });
        HorizontalPanel panel = new HorizontalPanel();
        Label label = new Label(Console.CONSTANTS.common_label_filter() + ": ");
        panel.add(label);
        panel.add(filter);

        label.getElement().setAttribute("style", "padding-top:8px;margin-right:8px");
        return panel;
    }
 

/**
 * Add key handler to diagram canvas.
 *  
 * @param panel
 */
protected  void addKeyHandler(DiagramCanvas panel){
	panel.addDomHandler(new KeyUpHandler() {
		@Override
		public void onKeyUp(KeyUpEvent event) {
			DiagramController.this.onKeyUp(event);
		}
	}, KeyUpEvent.getType());
}
 

/**
 * Installs a key handler for key events on this window.
 *
 * @param handler handler to receive key events.
 */
static void install(KeySignalHandler handler) {
  //
  // NOTE: There are three potential candidate elements for sinking keyboard
  // events: the window, the document, and the document body. IE7 does not
  // fire events on the window element, and GWT's RootPanel is already a
  // listener on the body, leaving the document as the only cross-browser
  // whole-window event-sinking 'element'.
  //
  DocumentPanel panel = new DocumentPanel(handler);
  panel.setElement(Document.get().<Element>cast());
  panel.addDomHandler(panel, KeyDownEvent.getType());
  panel.addDomHandler(panel, KeyPressEvent.getType());
  panel.addDomHandler(panel, KeyUpEvent.getType());
  RootPanel.detachOnWindowClose(panel);
  panel.onAttach();
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
	boolean fireDirty = false;
	if (AbstractInputBox.this.currentStringValue == null) {
		fireDirty = !Strings.isNullOrEmpty(AbstractInputBox.this.input.getText());
	} else {
		fireDirty = !AbstractInputBox.this.currentStringValue.equals(AbstractInputBox.this.input.getText());
	}
	if (fireDirty) {
		DirtyEvent.fire(AbstractInputBox.this);
	}
}
 

@UiHandler("lookupField")
public void onLookupKeyUp(final KeyUpEvent event) {
  if (event.getNativeKeyCode() != KeyCodes.KEY_ENTER) {
    return;
  }

  final ApplicationPlace place = PlaceTokenParseUtil.parseToken(lookupField.getText());
  if (place == null) {
    // Do something, like show a mild error.
    return;
  }

  placeController.goTo(place);
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
	if (iCourses.getRowCount() < 2 || iCourses.getData(1) == null) return;
	int row = iCourses.getSelectedRow();
	if (event.getNativeKeyCode() == KeyCodes.KEY_DOWN && isEnabled()) {
		if (row < 0 || iCourses.getSelectedRow() + 1 >= iCourses.getRowCount())
			iCourses.setSelected(1, true);
		else
			iCourses.setSelected(row + 1, true);
           scrollToSelectedRow();
           updateCourseDetails();
	} else if (event.getNativeKeyCode()==KeyCodes.KEY_UP && isEnabled()) {
		if (row - 1 < 1)
			iCourses.setSelected(iCourses.getRowCount() - 1, true);
		else
			iCourses.setSelected(row - 1, true);
		scrollToSelectedRow();
		updateCourseDetails();
	} else if (event.isControlKeyDown() || event.isAltKeyDown()) {
		for (Map.Entry<Character, Integer> entry: iTabAccessKeys.entrySet())
			if (event.getNativeKeyCode() == Character.toLowerCase(entry.getKey()) || event.getNativeKeyCode() == Character.toUpperCase(entry.getKey())) {
				iCourseDetailsTabBar.selectTab(entry.getValue(), true);
				event.preventDefault();
				event.stopPropagation();
			}
	}
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
	if (iCourses.getRowCount() < 2 || iCourses.getData(1) == null) return;
	int row = iCourses.getSelectedRow();
	if (event.getNativeKeyCode() == KeyCodes.KEY_DOWN && isEnabled()) {
		if (row < 0 || iCourses.getSelectedRow() + 1 >= iCourses.getRowCount())
			iCourses.setSelected(1, true);
		else
			iCourses.setSelected(row + 1, true);
           scrollToSelectedRow();
           updateCourseDetails();
	} else if (event.getNativeKeyCode()==KeyCodes.KEY_UP && isEnabled()) {
		if (row - 1 < 1)
			iCourses.setSelected(iCourses.getRowCount() - 1, true);
		else
			iCourses.setSelected(row - 1, true);
		scrollToSelectedRow();
		updateCourseDetails();
	} else if (event.isControlKeyDown() || event.isAltKeyDown()) {
		for (Map.Entry<Character, Integer> entry: iTabAccessKeys.entrySet())
			if (event.getNativeKeyCode() == Character.toLowerCase(entry.getKey()) || event.getNativeKeyCode() == Character.toUpperCase(entry.getKey())) {
				iCourseDetailsTabBar.selectTab(entry.getValue(), true);
				event.preventDefault();
				event.stopPropagation();
			}
	}
}
 

private KeyUpHandler createKeyHandler() {
	KeyUpHandler handler=  new KeyUpHandler() {
		@Override
		public void onKeyUp(final KeyUpEvent event) {
			if (KeyCodes.KEY_PAGEDOWN == event.getNativeEvent().getKeyCode()) {
				onRelease();
			}
		}
	};
	
	return handler;
}
 

private KeyUpHandler createKeyHandler() {
	return new KeyUpHandler() {
		@Override
		public void onKeyUp(final KeyUpEvent event) {
			if (KeyCodes.KEY_PAGEUP == event.getNativeEvent().getKeyCode()) {
				onRelease();
			}
		}
	};
}
 

/**
 * isSearchableKey
 *
 * @param event
 * @return
 */
public static boolean isSearchableKey(KeyUpEvent event) {
	if (event != null) {
		return Util.isSearchableKey(event);
	} else {
		return true;
	}
}
 

/**
 * Trigger action when key up event fired
 * 
 * @param event
 */
protected  void onKeyUp(KeyUpEvent event){
	logger.info("key" +event.getNativeKeyCode() );
	if(event.getNativeKeyCode()== 46){
		logger.info("delete widget");
		deleteWidget();
	}
}
 

/**
 * Creates a new YoungAndroid project wizard.
 */
public InputTemplateUrlWizard(final NewUrlDialogCallback callback) {
  super(MESSAGES.inputNewUrlCaption(), true, true);

  // Initialize the UI.
  setStylePrimaryName("ode-DialogBox");
  HorizontalPanel panel = new HorizontalPanel();

  urlTextBox = new LabeledTextBox(MESSAGES.newUrlLabel());
  urlTextBox.getTextBox().setWidth("250px");
  urlTextBox.getTextBox().addKeyUpHandler(new KeyUpHandler() {
    @Override
    public void onKeyUp(KeyUpEvent event) {
      int keyCode = event.getNativeKeyCode();
      if (keyCode == KeyCodes.KEY_ENTER) {
        handleOkClick();
      } else if (keyCode == KeyCodes.KEY_ESCAPE) {
        handleCancelClick();
      }
    }
  });

  VerticalPanel page = new VerticalPanel();
  panel.add(urlTextBox);
  page.add(panel);
  addPage(page);

  // Create finish command (create a new Young Android project).
  initFinishCommand(new Command() {
    @Override
    public void execute() {
      String hostUrl = urlTextBox.getText();
      if (TemplateUploadWizard.hasUrl(hostUrl)) {
        Window.alert("The Url " + hostUrl + " already exists.");
      } else {
        callback.updateTemplateOptions(hostUrl);
      }
    }
  });
}
 

/**
 * Triggered when a key was depressed.
 *
 * @param event
 *            The KeyUpEvent of the key depressed
 */
@Override
public void onKeyUp(KeyUpEvent event) {
	debug("VComboBoxMultiselect: onKeyUp(" + event.getNativeKeyCode() + ")");

	if (this.enabled && !this.readonly) {
		switch (event.getNativeKeyCode()) {
		case KeyCodes.KEY_ENTER:
		case KeyCodes.KEY_TAB:
		case KeyCodes.KEY_SHIFT:
		case KeyCodes.KEY_CTRL:
		case KeyCodes.KEY_ALT:
		case KeyCodes.KEY_DOWN:
		case KeyCodes.KEY_UP:
		case KeyCodes.KEY_PAGEDOWN:
		case KeyCodes.KEY_PAGEUP:
		case KeyCodes.KEY_ESCAPE:
			// NOP
			break;
		default:
			if (this.textInputEnabled) {
				// when filtering, we always want to see the results on the
				// first page first.
				filterOptions(0);
			}
			break;
		}
	}
}
 

/**
 * File textBox
 */
public FileTextBox() {
	textBox = new TextBox();
	textBox.addKeyUpHandler(new KeyUpHandler() {
		@Override
		public void onKeyUp(KeyUpEvent event) {
			switch (event.getNativeKeyCode()) {
				case (char) KeyCodes.KEY_ENTER:
					switch (action) {
						case ACTION_RENAME:
							if (textBox.getText().length() > 0) {
								Main.get().mainPanel.desktop.browser.fileBrowser.rename(textBox.getText());
							} else {
								Main.get().mainPanel.desktop.browser.fileBrowser.hideRename();
							}
							break;
					}
					Main.get().mainPanel.enableKeyShorcuts(); // Enables general keys applications
					break;

				case (char) KeyCodes.KEY_ESCAPE:
					switch (action) {
						case ACTION_RENAME:
							Main.get().mainPanel.desktop.browser.fileBrowser.hideRename();
							break;
					}
					Main.get().mainPanel.enableKeyShorcuts(); // Enables general keys applications
					break;
			}
		}
	});
	textBox.setVisibleLength(20);
	textBox.setStyleName("okm-FileBrowser-TextBox");
	initWidget(textBox);
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
    if (enabled && !readonly) {
        switch (event.getNativeKeyCode()) {
            case KeyCodes.KEY_ENTER:
                String tbText = tb.getText() == null ? ""
                        : tb.getText();
                String currentText = currentSuggestion == null ? ""
                        : currentSuggestion.getReplacementString();
                if (!this.preventFilterAfterSelect && !tbText.equals(currentText)) {
                    filterOptions(currentPage);
                } else {
                    if (!event.isAnyModifierKeyDown()) {
                        event.stopPropagation();
                    }
                }
                this.preventFilterAfterSelect = false;
                break;
            case KeyCodes.KEY_TAB:
            case KeyCodes.KEY_SHIFT:
            case KeyCodes.KEY_CTRL:
            case KeyCodes.KEY_ALT:
            case KeyCodes.KEY_DOWN:
            case KeyCodes.KEY_UP:
            case KeyCodes.KEY_PAGEDOWN:
            case KeyCodes.KEY_PAGEUP:
                // NOP
                break;
            case KeyCodes.KEY_ESCAPE:
                reset();
                break;
        }
        updateEditState();
    }
}
 

/**
 * Triggered when a key was depressed.
 *
 * @param event
 *            The KeyUpEvent of the key depressed
 */
@Override
public void onKeyUp(KeyUpEvent event) {
	debug("VComboBoxMultiselect: onKeyUp(" + event.getNativeKeyCode() + ")");

	if (this.enabled && !this.readonly) {
		switch (event.getNativeKeyCode()) {
		case KeyCodes.KEY_ENTER:
		case KeyCodes.KEY_TAB:
		case KeyCodes.KEY_SHIFT:
		case KeyCodes.KEY_CTRL:
		case KeyCodes.KEY_ALT:
		case KeyCodes.KEY_DOWN:
		case KeyCodes.KEY_UP:
		case KeyCodes.KEY_PAGEDOWN:
		case KeyCodes.KEY_PAGEUP:
		case KeyCodes.KEY_ESCAPE:
			// NOP
			break;
		default:
			if (this.textInputEnabled) {
				// when filtering, we always want to see the results on the
				// first page first.
				filterOptions(0);
			}
			break;
		}
	}
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
  dispatch(event);
}
 

public void setCancelable() {
	RootPanel.get().addDomHandler(setEscapeHandler(), KeyUpEvent.getType());
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
  dispatch(event);
}
 

public HandlerRegistration addKeyUpHandler(KeyUpHandler handler) {
  return addDomHandler(handler, KeyUpEvent.getType());
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
	this.fireLiveValueChangeEvent();
}
 

@Override
public HandlerRegistration addKeyUpHandler(KeyUpHandler handler) {
	return this.addDomHandler(handler, KeyUpEvent.getType());
}
 

@Override
public void onKeyUp(KeyUpEvent event) {
	if (this.currentHelper != null) {
		this.currentHelper.cancel();
	}
}