Java Code Examples for com.google.gwt.event.dom.client.KeyDownEvent#preventDefault()

The following examples show how to use com.google.gwt.event.dom.client.KeyDownEvent#preventDefault() . 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: SinglePageLayout.java From djvu-html5 with GNU General Public License v2.0

6 votes

@Override
public void onKeyDown(KeyDownEvent event) {
	int key = event.getNativeKeyCode();
	if (event.isControlKeyDown()) {
		if (key == KEY_PLUS || key == KEY_MINUS) {
			app.getToolbar().zoomChangeClicked(key == KEY_PLUS ? 1 : -1);
			event.preventDefault();
		}
	} else if (!event.isShiftKeyDown()) {
		boolean handled = true;
		switch (key) {
		case KeyCodes.KEY_HOME:
			changePage(0, -1, -1);
			break;
		case KeyCodes.KEY_END:
			changePage(dataStore.getPageCount() - 1, 1, 1);
			break;
		default:
			handled = false;
		}
		if (handled)
			event.preventDefault();
	}
}

Example 2

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

5 votes

@Override
public void onKeyDown(KeyDownEvent event) {
    if ((!isEnabled() || isReadonly())
            && event.getNativeKeyCode() != KeyCodes.KEY_TAB) {
        event.preventDefault();
    }
}

Example 3

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

5 votes

@Override
public void onKeyDown(KeyDownEvent event) {
    if ((!isEnabled() || isReadOnly())
            && event.getNativeKeyCode() != KeyCodes.KEY_TAB) {
        event.preventDefault();
    }
}

Example 4

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

5 votes

@Override
public void onKeyDown(KeyDownEvent event) {
    if ((!isEnabled() || isReadonly())
            && event.getNativeKeyCode() != KeyCodes.KEY_TAB) {
        event.preventDefault();
    }
}

Example 5

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

5 votes

@Override
public void onKeyDown(KeyDownEvent event) {
    if ((!isEnabled() || isReadonly())
            && event.getNativeKeyCode() != KeyCodes.KEY_TAB) {
        event.preventDefault();
    }
}

Example 6

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

5 votes

@Override
public void onKeyDown(KeyDownEvent event) {
	int keyCode = event.getNativeKeyCode();
	if (keyCode == KeyCodes.KEY_ENTER
			&& choiceList.getSelectedIndex() != -1) {
		event.preventDefault();
		event.stopPropagation();
		select();
	} else if (keyCode == KeyCodes.KEY_ESCAPE) {
		event.preventDefault();
		close();
	}
}

Example 7

Source File: MaskValueBoxHelper.java From putnami-web-toolkit with GNU Lesser General Public License v3.0

4 votes

public void onKeyDown(KeyDownEvent event) {
	this.keyDown = event.getNativeKeyCode();
	boolean preventDefault = false;
	switch (event.getNativeKeyCode()) {
		case KeyCodes.KEY_DELETE:
		case KeyCodes.KEY_BACKSPACE:
			if (this.token != null) {
				this.reset();
				this.maskHelper.refreshValueBox();
				event.preventDefault();
			}
			break;
		case KeyCodes.KEY_DOWN:
		case KeyCodes.KEY_UP:
			event.preventDefault();
			break;
		case KeyCodes.KEY_LEFT:
			preventDefault = this.maskHelper.focusPrevious();
			break;
		case KeyCodes.KEY_RIGHT:
			preventDefault = this.maskHelper.focusNext();

			break;
		case KeyCodes.KEY_TAB:
			if (event.isShiftKeyDown()) {
				preventDefault = this.maskHelper.focusPrevious();
			} else {
				preventDefault = this.maskHelper.focusNext();
			}
			break;
		default:
			break;
	}

	if (preventDefault) {
		event.preventDefault();
	}
	if (this.handleKeyDown(this.keyDown)) {
		this.maskHelper.refreshValueBox();
		this.schedule(this.maskHelper.initialDelayMilis);
	}
}