本文整理汇总了Java中com.google.gwt.event.dom.client.KeyCodes.KEY_SPACE属性的典型用法代码示例。如果您正苦于以下问题:Java KeyCodes.KEY_SPACE属性的具体用法?Java KeyCodes.KEY_SPACE怎么用?Java KeyCodes.KEY_SPACE使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类com.google.gwt.event.dom.client.KeyCodes
的用法示例。
在下文中一共展示了KeyCodes.KEY_SPACE属性的4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
@Override
public void onBrowserEvent(Event event) {
if (event.getTypeInt() == Event.ONKEYUP && event.getKeyCode() == KeyCodes.KEY_SPACE) {
onClick();
}
if (event.getTypeInt() == Event.ONCLICK) {
setValue(!getValue());
}
super.onBrowserEvent(event);
}
示例2: keyToString
private static String keyToString(int code) {
switch (code) {
case KeyCodes.KEY_SPACE:
return "Space";
case KeyCodes.KEY_BACKSPACE:
return "Backspace";
case KeyCodes.KEY_DELETE:
return "Del";
case KeyCodes.KEY_INSERT:
return "Insert";
case KeyCodes.KEY_ENTER:
return "Enter";
case KeyCodes.KEY_ESCAPE:
return "Esc";
case KeyCodes.KEY_TAB:
return "Tab";
case KeyCodes.KEY_HOME:
return "Home";
case KeyCodes.KEY_END:
return "End";
case KeyCodes.KEY_PAGEUP:
return "PageUp";
case KeyCodes.KEY_PAGEDOWN:
return "PageDown";
case KeyCodes.KEY_LEFT:
return "\u2190";
case KeyCodes.KEY_UP:
return "\u2191";
case KeyCodes.KEY_RIGHT:
return "\u2192";
case KeyCodes.KEY_DOWN:
return "\u2193";
default:
return new Character((char) code).toString();
}
}
示例3: handleKeyboardEvents
@Override
protected boolean handleKeyboardEvents(Event event) {
int type = DOM.eventGetType(event);
// Synthesize clicks based on keyboard events AFTER the normal key
// handling.
if ((event.getTypeInt() & Event.KEYEVENTS) != 0) {
switch (type) {
case Event.ONKEYDOWN:
// Button should not react on shortcuts with ENTER and SPACE
if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
// Stop propagation when the user starts pressing a button that
// we are handling to prevent actions from getting triggered
if (event.getKeyCode() == KeyCodes.KEY_SPACE) {
isFocusing = true;
event.preventDefault();
event.stopPropagation();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_ENTER) {
isFocusing = true;
event.stopPropagation();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_DOWN) {
isFocusing = true;
event.stopPropagation();
}
break;
// CAUTION IE sometimes does not generate ONKEYPRESS for ENTER, so we override default Vaadin behavior
case Event.ONKEYUP:
if (isFocusing) {
if (event.getKeyCode() == KeyCodes.KEY_SPACE) {
isFocusing = false;
onClick();
event.stopPropagation();
event.preventDefault();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_ENTER) {
isFocusing = false;
onClick();
event.stopPropagation();
event.preventDefault();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_DOWN) {
isFocusing = false;
onClick();
event.stopPropagation();
event.preventDefault();
return true;
}
} else if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
break;
case Event.ONKEYPRESS: {
// Button should not react on shortcuts with ENTER and SPACE
if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
}
}
}
return false;
}
示例4: handleKeyboardEvents
@Override
protected boolean handleKeyboardEvents(Event event) {
int type = DOM.eventGetType(event);
// Synthesize clicks based on keyboard events AFTER the normal key
// handling.
if ((event.getTypeInt() & Event.KEYEVENTS) != 0) {
switch (type) {
case Event.ONKEYDOWN:
// Button should not react on shortcuts with ENTER and SPACE
if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
// Stop propagation when the user starts pressing a button that
// we are handling to prevent actions from getting triggered
if (event.getKeyCode() == KeyCodes.KEY_SPACE) {
isFocusing = true;
event.preventDefault();
event.stopPropagation();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_ENTER) {
isFocusing = true;
event.stopPropagation();
return true;
}
break;
// CAUTION IE sometimes does not generate ONKEYPRESS for ENTER, so we override default Vaadin behavior
case Event.ONKEYUP:
if (isFocusing) {
if (event.getKeyCode() == KeyCodes.KEY_SPACE) {
isFocusing = false;
onClick();
event.stopPropagation();
event.preventDefault();
return true;
} else if (event.getKeyCode() == KeyCodes.KEY_ENTER) {
isFocusing = false;
onClick();
event.stopPropagation();
event.preventDefault();
return true;
}
} else if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
break;
case Event.ONKEYPRESS: {
// Button should not react on shortcuts with ENTER and SPACE
if (isShortcut(event)
&& (event.getKeyCode() == KeyCodes.KEY_ENTER
|| event.getKeyCode() == KeyCodes.KEY_SPACE)) {
return true;
}
}
}
}
return false;
}