event.js

这是一个关于java的JSP页面中使用象Swing组件的一个库文件.

function uiHtml_Event(event) {
  this._super();
  if (event == null) {  
    this.__domEvent = window.event;
    this.__w3cModel = false;
  }
  else {  
    this.__domEvent = event;
    this.__w3cModel = true;
  }
}
uiHtml_Event = uiUtil_Object.declareClass(uiHtml_Event, uiUtil_Object);
uiHtml_Event.prototype.getDomSource = function() {
  if (this.__w3cModel) {
    return this.__domEvent.currentTarget;
  }
  else {
    return this.__domEvent.srcElement;
  }
};
uiHtml_Event.prototype.preventBubble = function() {
  if (this.__w3cModel) {
    this.__domEvent.stopPropagation();
  }
  else {
    this.__domEvent.cancelBubble = true;
  }
};
uiHtml_Event.prototype.preventDefault = function() {
  if (this.__w3cModel) {
    this.__domEvent.preventDefault();
  }
  else {
    this.__domEvent.returnValue = false;
  }
};
uiHtml_Event.prototype.getViewPortPosition = function() {
  return new uiUtil_Dimension(this.__domEvent.clientX, this.__domEvent.clientY);
};
uiHtml_Event.prototype.getAbsolutePosition = function() {
  return new uiUtil_Dimension(
      uiHtml_Document.getInstance().getScrollLeft() + this.__domEvent.clientX,
      uiHtml_Document.getInstance().getScrollTop() + this.__domEvent.clientY);
};
uiHtml_Event.prototype.isAltPressed = function() {
  return this.__domEvent.altKey;
};
uiHtml_Event.prototype.isCtrlPressed = function() {
  return this.__domEvent.ctrlKey;
};
uiHtml_Event.prototype.isShiftPressed = function() {
  return this.__domEvent.shiftKey;
};
uiHtml_Event.prototype.getPressedChar = function(optToLower) {
  var code = this.__domEvent.keyCode;
  if (this.__w3cModel) {
    code = this.__domEvent.which;
  }
  var character = String.fromCharCode(code);
  if (uiUtil_Type.getBoolean(optToLower, false)) {
    character = character.toLowerCase();
  }
  return character;
};
uiHtml_Event.__getDomObject = function(event) {
  if (event == null) {  
    return window.event;
  }
  else {  
    return event;
  }
};
uiHtml_Event.getViewPortPosition = function(event) {
  var domEvent = uiHtml_Event.__getDomObject(event);
  return new uiUtil_Dimension(domEvent.clientX, domEvent.clientY);
};