本文整理汇总了Java中com.google.gwt.event.dom.client.KeyCodes.maybeSwapArrowKeysForRtl方法的典型用法代码示例。如果您正苦于以下问题：Java KeyCodes.maybeSwapArrowKeysForRtl方法的具体用法？Java KeyCodes.maybeSwapArrowKeysForRtl怎么用？Java KeyCodes.maybeSwapArrowKeysForRtl使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.gwt.event.dom.client.KeyCodes的用法示例。
在下文中一共展示了KeyCodes.maybeSwapArrowKeysForRtl方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: onBrowserEvent
import com.google.gwt.event.dom.client.KeyCodes; //导入方法依赖的package包/类
@Override
public void onBrowserEvent(Event event) {
if (getElement() == DOM.eventGetTarget(event)) {
return;
}
SuggestionItem item = findItem(DOM.eventGetTarget(event));
switch (DOM.eventGetType(event)) {
case Event.ONMOUSEDOWN: {
if (BrowserInfo.get().isIE()) {
suggestionFieldWidget.iePreventBlur = true;
}
break;
}
case Event.ONCLICK: {
if (event.getButton() == NativeEvent.BUTTON_LEFT) {
performItemCommand(item);
}
break;
}
case Event.ONMOUSEOVER: {
if (item != null) {
selectItem(item);
}
break;
}
case Event.ONKEYDOWN: {
int keyCode = KeyCodes.maybeSwapArrowKeysForRtl(
event.getKeyCode(),
LocaleInfo.getCurrentLocale().isRTL()
);
switch (keyCode) {
case KeyCodes.KEY_UP:
selectPrevItem();
preventEvent(event);
break;
case KeyCodes.KEY_DOWN:
selectNextItem();
preventEvent(event);
break;
case KeyCodes.KEY_ESCAPE:
selectItem(null);
preventEvent(event);
break;
case KeyCodes.KEY_TAB:
selectItem(null);
break;
case KeyCodes.KEY_ENTER:
performItemCommand(item);
preventEvent(event);
break;
}
break;
}
}
super.onBrowserEvent(event);
}
示例2: _keyboardNavigation
import com.google.gwt.event.dom.client.KeyCodes; //导入方法依赖的package包/类
private void _keyboardNavigation(final Event event) {
// Handle keyboard events if keyboard navigation is enabled
if (this.isKeyboardNavigationEnabled(_focusedItem)) {
int code = event.getKeyCode();
switch (KeyCodes.maybeSwapArrowKeysForRtl(code,LocaleInfo.getCurrentLocale().isRTL())) {
case KeyCodes.KEY_UP: {
List<TreeViewItem> slibingsBefore = _focusedItem.getSiblingsBefore();
if (slibingsBefore != null) {
_onFocus(slibingsBefore.get(slibingsBefore.size()-1));
} else if (_focusedItem.getDirectAncestor() != null) {
_onFocus(_focusedItem.getDirectAncestor());
}
break;
}
case KeyCodes.KEY_DOWN: {
List<TreeViewItem> slibingsAfter = _focusedItem.getSiblingsAfter();
if (slibingsAfter != null) {
_onFocus(slibingsAfter.get(0));
} else {
TreeViewItem focusedItemAncestor = _focusedItem.getDirectAncestor();
while (focusedItemAncestor != null && focusedItemAncestor.getNextSibling() == null) {
focusedItemAncestor = focusedItemAncestor.getDirectAncestor();
}
if (focusedItemAncestor != null && focusedItemAncestor.getNextSibling() != null) _onFocus(focusedItemAncestor.getNextSibling());
}
break;
}
case KeyCodes.KEY_LEFT: {
if (_focusedItem.getDirectAncestor() == null) return;
_onFocus(_focusedItem.getDirectAncestor());
break;
}
case KeyCodes.KEY_RIGHT: {
if (!_focusedItem.hasChildren()) return;
if (_focusedItem.isCollapsed()) _focusedItem.expand();
_onFocus(_focusedItem.getChildAt(0)); // move focus
break;
}
default: {
return;
}
}
}
}