Java Code Examples for com.google.gwt.user.client.Event#NativePreviewEvent

The following examples show how to use com.google.gwt.user.client.Event#NativePreviewEvent . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CubaPopupButtonConnector.java From cuba with Apache License 2.0

6 votes

protected void handleMouseOver(@SuppressWarnings("unused") Event.NativePreviewEvent event, Element target) {
    if (!getState().customLayout && getWidget().popupHasChild(target)) {
        Widget widget = WidgetUtil.findWidget(target, null);
        if ((widget instanceof VButton
                || widget instanceof VUpload
                || widget instanceof CubaFileUploadWidget)) {

            VButton button;
            if (widget instanceof VButton) {
                button = (VButton) widget;
            } else if (widget instanceof CubaFileUploadWidget) {
                button = ((CubaFileUploadWidget) widget).getSubmitButton();
            } else {
                button = ((VUpload) widget).submitButton;
            }
            if (!button.getStyleName().contains(SELECTED_ITEM_STYLE)) {
                getWidget().childWidgetFocused(button);
                button.setFocus(true);
            }
        }
    }
}

Example 2

Source File: CubaFileUploadProgressWindow.java From cuba with Apache License 2.0

5 votes

@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
    if (dragging) {
        Event e = Event.as(event.getNativeEvent());
        onDragEvent(e);
        event.cancel();
    }
}

Example 3

Source File: CubaPopupButtonConnector.java From cuba with Apache License 2.0

5 votes

protected void handleClick(@SuppressWarnings("unused") Event.NativePreviewEvent event, Element target) {
    if (getState().autoClose && getWidget().popupHasChild(target)) {
        Scheduler.get().scheduleDeferred(() -> {
            getWidget().hidePopup();

            // update state on server
            rpc.setPopupVisible(false);
        });
    }
}

Example 4

Source File: Tools.java From cuba with Apache License 2.0

5 votes

@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
    super.onPreviewNativeEvent(event);

    NativeEvent nativeEvent = event.getNativeEvent();
    Element target = Element.as(nativeEvent.getEventTarget());

    if (Event.ONCLICK == event.getTypeInt()) {
        if (getElement().isOrHasChild(target)) {
            Scheduler.get().scheduleDeferred(this::hide);
        }
    }

    previewTableContextMenuEvent(event);
}

Example 5

Source File: ListPopupPanel2.java From consulo with Apache License 2.0

5 votes

/** See class docs */
@Override
public void onPreviewNativeEvent(Event.NativePreviewEvent nativePreviewEvent) {
  if (nativePreviewEvent.getTypeInt() != Event.ONCLICK) {
    return;
  }

  Element source = (Element) Element.as(nativePreviewEvent.getNativeEvent().getEventTarget());
  if (!DOM.isOrHasChild(getElement(), source)
      && !DOM.isOrHasChild(getComboBox().getElement(), source)) {
    hide();
    getComboBox().getChoiceButton().setDown(false);
  }
}

Example 6

Source File: GuidedTourHelper.java From core with GNU Lesser General Public License v2.1

5 votes

static void init(BootstrapContext bootstrapContext) {
    String locale = Preferences.get(Preferences.Key.LOCALE, "en");
    String url = bootstrapContext.getProperty(ApplicationProperties.GUIDED_TOUR) + "/" +
            (bootstrapContext.isStandalone() ? "standalone" : "domain") + "/step1.html?setLng=" + locale;

    Frame tourFrame = new Frame(url);
    tourFrame.setWidth("100%");
    tourFrame.setHeight("100%");

    guidedTour = new PopupPanel(true, true) {
        {
            Window.addResizeHandler(resizeEvent -> {
                if (isShowing()) {
                    center();
                }
            });
        }

        @Override
        protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
            if (Event.ONKEYUP == event.getTypeInt()) {
                if (event.getNativeEvent().getKeyCode() == KeyboardEvent.KeyCode.ESC) {
                    hide();
                }
            }
        }
    };
    guidedTour.setGlassEnabled(true);
    guidedTour.setAnimationEnabled(false);
    guidedTour.setWidget(tourFrame);
    guidedTour.setWidth("1120px");
    guidedTour.setHeight("800px");
    guidedTour.setStyleName("default-window");

    exportCloseMethod();
}

Example 7

Source File: DefaultPopup.java From core with GNU Lesser General Public License v2.1

5 votes

@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
    if (Event.ONKEYDOWN == event.getTypeInt()) {
        if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
            // Dismiss when escape is pressed
            hide();
        }
    }
}

Example 8

Source File: OffPageSelector.java From core with GNU Lesser General Public License v2.1

5 votes

@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
    if (Event.ONKEYDOWN == event.getTypeInt()) {
        if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
            // Dismiss when escape is pressed
            hide();
        }
    }
}

Example 9

Source File: MessageCenterView.java From core with GNU Lesser General Public License v2.1

5 votes

@Override
protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
    if (Event.ONKEYDOWN == event.getTypeInt()) {
        if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
            // Dismiss when escape is pressed
            hide();
        }
    }
}

Example 10

Source File: MessageCenterView.java From core with GNU Lesser General Public License v2.1

5 votes

private PopupPanel createDisplay(Message message) {
    PopupPanel displayPopup = new PopupPanel() {
        {
            this.sinkEvents(Event.ONKEYDOWN);

            getElement().setAttribute("role", "alert");
            getElement().setAttribute("aria-live", "assertive");

            if(!message.isSticky()) {
                setAutoHideEnabled(true);
                setAutoHideOnHistoryEventsEnabled(true);
            }
        }

        @Override
        protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
            if (Event.ONKEYDOWN == event.getTypeInt()) {
                if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ESCAPE) {
                    // Dismiss when escape is pressed
                    hide();
                }
            }
        }
    };

    displayPopup.addStyleName("back");
    return displayPopup;
}

Example 11

Source File: WidgetComboBox.java From consulo with Apache License 2.0

4 votes

/**
 * See class docs
 */
@Override
public void onPreviewNativeEvent(Event.NativePreviewEvent event) {
  NativeEvent nativeEvent = event.getNativeEvent();
  EventTarget eventTarget = nativeEvent.getEventTarget();
  if (!Element.is(eventTarget)) //chrome fix
  {
    return;
  }

  Element target = (Element)Element.as(eventTarget);

  int type = event.getTypeInt();
  if (type == Event.ONKEYDOWN) {
    setKeyPressed(true);
    if (DOM.getCaptureElement() != null) return;

    boolean eventTargetsPopup = (target != null) && DOM.isOrHasChild(getElement(), target);
    int button = nativeEvent.getKeyCode();
    boolean alt = nativeEvent.getAltKey();
    boolean ctrl = nativeEvent.getCtrlKey();
    boolean shift = nativeEvent.getShiftKey();

    boolean hasModifiers = alt || ctrl || shift;

    if (eventTargetsPopup && isListPanelOpened()) {
      if (button == KeyCodes.KEY_UP && !hasModifiers) {
        moveCursor(-1);
        cancelAndPrevent(event);
      }
      else if (button == KeyCodes.KEY_DOWN && !hasModifiers) {
        moveCursor(1);
        cancelAndPrevent(event);
      }
      else if (button == KeyCodes.KEY_ENTER && !hasModifiers) {
        select(getHighlightRow());
        getChoiceButton().setFocus(false);
        ChangeEvent changeEvent = new ComboBoxChangeEvent(getHighlightRow(), ComboBoxChangeEvent.ChangeEventInputDevice.KEYBOARD);
        fireEvent(changeEvent);
        setKeyPressed(false);
      }
      else if (button == KeyCodes.KEY_ESCAPE && !hasModifiers) {
        hideList();
        setKeyPressed(false);
      }
      else if (button == KeyCodes.KEY_TAB && (!hasModifiers || !alt && !ctrl && shift)) {
        hideList();
        setKeyPressed(false);
      }
    }
    else if (eventTargetsPopup && !hasModifiers && button == KeyCodes.KEY_ENTER && getModel().getCount() > 0) {
      showList(true);
    }
  }
  else if (type == Event.ONKEYUP) {
    setKeyPressed(false);
  }
}

Example 12

Source File: ComboPicker.java From core with GNU Lesser General Public License v2.1

4 votes

public ComboPicker(String cssSuffix) {

        cellList = new CellList<String>(new TextCell()
        {
            @Override
            public void render(Context context, String data, SafeHtmlBuilder sb) {
                String cssName = (context.getIndex() %2 > 0) ? "combobox-item combobox-item-odd" : "combobox-item";

                if(data.equals(displayed.getActual()))
                    cssName+=" combobox-item-selected";

                sb.append(TEMPLATE.item(cssName, data));
            }

        });

        cellList.setPageSize(100);

        final SingleSelectionModel<String> selectionModel = new SingleSelectionModel<String>();
        cellList.setSelectionModel(selectionModel);

        selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
            public void onSelectionChange(SelectionChangeEvent event) {
                String selectedValue = selectionModel.getSelectedObject();

                setDisplayedValue(selectedValue);
                popup.hide();

                onSelection(selectedValue);
            }
        });

        final String panelId = "combopicker_popup";
        popup = new PopupPanel(true, true) {

            @Override
            protected void onPreviewNativeEvent(Event.NativePreviewEvent event) {
                if (Event.ONKEYUP == event.getTypeInt()) {
                    if (event.getNativeEvent().getKeyCode() == ESCAPE) {
                        // Dismiss when escape is pressed
                        popup.hide();
                    }
                }
            }

            public void onBrowserEvent(Event event) {
                super.onBrowserEvent(event);
            }
        };

        popup.getElement().setId(panelId);

        popup.setStyleName("default-popup");

        popup.addStyleName("triangle-border");
        popup.addStyleName("top-left");

        popup.setWidget(new ScrollPanel(cellList));

        displayed = new Display("");

        header = new HorizontalPanel();
        header.setStyleName("combobox"+cssSuffix);
        header.add(displayed);

        HTML icon = new HTML("<span style='font-size:12px;cursor:pointer'><i class='icon-chevron-down'></i></span>");
        header.add(icon);

        displayed.getElement().getParentElement().setAttribute("width", "100%");

        icon.getParent().getElement().setAttribute("width", "18");

        //header.getElement().setAttribute("width", "95%");
        header.getElement().setAttribute("cellspacing", "0");
        header.getElement().setAttribute("cellpadding", "0");
        header.getElement().setAttribute("border", "0");


        ClickHandler clickHandler = new ClickHandler() {
            @Override
            public void onClick(ClickEvent clickEvent) {
                openPanel();
            }
        };

        displayed.addClickHandler(clickHandler);
        icon.addClickHandler(clickHandler);

    }

Example 13

Source File: WidgetComboBox.java From consulo with Apache License 2.0

2 votes

/**
 * This method cancels and prevents default actions of the specified event.<p/>
 * It's useful for stupid browsers like Opera.
 *
 * @param event is an event to cancel and prevent.
 */
protected void cancelAndPrevent(Event.NativePreviewEvent event) {
  event.getNativeEvent().preventDefault();
  event.cancel();
}