group.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_Group(domObjects, optHandler) {
  this._super();
  this.__items = domObjects;
  this.__handler = optHandler;
  if (this.__handler == null) {
    var firstItem = domObjects[0];
    if (firstItem == null) {
      throw new uiUtil_IllegalStateException(
          "A group should contain at least one item.");
    }
    this.__handler = uiHtml_Group.__getWrapper(firstItem);
  }
}
uiHtml_Group = uiUtil_Object.declareClass(uiHtml_Group, uiUtil_Object);
uiHtml_Group.prototype.prependEventHandler = function(
    eventName, eventHandler) {
  throw new uiUtil_IllegalStateException("Currently not supported", new Error());
};
uiHtml_Group.prototype.appendEventHandler = function(event, handler) {
  for (var i = 0; i < this.__items.length; ++i) {
    this.__handler.appendEventHandler(this.__items[i], event, handler);
  }
  return 0;
};
uiHtml_Group.prototype.removeEventHandler = function(
    eventName, startIndex) {
  throw new uiUtil_IllegalStateException("Currently not supported", new Error());
};
uiHtml_Group.prototype.clearEventHandlerExtension = function(eventName) {
  throw new uiUtil_IllegalStateException("Currently not supported", new Error());
};
uiHtml_Group.prototype.executeAggregateEventHandler = function(
    eventName, optDomEvent) {
  for (var i = 0; i < this.__items.length; ++i) {
    this.__handler.executeAggregateEventHandler(
        this.__items[i], eventName, optDomEvent);
  }
};
uiHtml_Group.prototype.__constructItemArgs = function(item, args) {
  var argArray = new Array();
  var outputIndex = 0;
  argArray[outputIndex++] = item;
  var start = args.callee.length - 1;
  for (var i = start; i < args.length; ++i) {
    argArray[outputIndex++] = args[i];
  }
  return argArray;
};
uiHtml_Group.prototype.traverse = function(
    handlerOwner, handlerFunction, optArgN) {
  var argArray = this.__constructItemArgs(null, arguments);
  var results = new Array(this.__items.length);
  for (var i = 0; i < this.__items.length; ++i) {
    argArray[0] = this.__items[i];
    results[i] = handlerFunction.apply(handlerOwner, argArray);
  }
  return results;
};
uiHtml_Group.prototype.getItemHandler = function() {
  return this.__handler;
};
uiHtml_Group.prototype.size = function() {
  return this.__items.length;
};
uiHtml_Group.prototype.getItemAt = function(index) {
  return this.__items[index];
};
uiHtml_Group.prototype.setItemAt = function(index, item) {
  this.__items = uiUtil_ArrayUtils.toArrayIfNotAlready(this.__items);
  this.__items[index] = item;
};
uiHtml_Group.prototype.addItem = function(item) {
  this.__items = uiUtil_ArrayUtils.toArrayIfNotAlready(this.__items);
  this.__items.push(item);
};
uiHtml_Group.prototype._getItems = function() {
  return this.__items;
};
uiHtml_Group.prototype.hasValue = function(value) {
  for (var i = 0; i < this.__items.length; ++i) {
    if (this.__handler.getLogicalValue(this.__items[i]) == value) {
      return true;
    }
  }
  return false;
};
uiHtml_Group.prototype.getValues = function() {
  var values = new Array();
  for (var i = 0; i < this.__items.length; ++i) {
    var value = this.__handler.getLogicalValue(this.__items[i]);
    if (value != null) {
      values.push(value);
    }
  }
  return values;
};
uiHtml_Group.prototype.handleItemAtIndex = function(
    index, handlerOwner, handlerFunction, optArgN) {
  if (index < 0 || index >= this.__items.length) {
    throw new uiUtil_IllegalArgumentException("Invalid index " + index);
  }
  var argArray = this.__constructItemArgs(this.__items[index], arguments);
  return handlerFunction.apply(handlerOwner, argArray);
};
uiHtml_Group.prototype.handleItemWithValue = function(
    value, handlerOwner, handlerFunction, optArgN) {
  for (var i = 0; i < this.__items.length; ++i) {
    if (this.__items[i].value == value) {
      var argArray = this.__constructItemArgs(this.__items[i], arguments);
      return handlerFunction.apply(handlerOwner, argArray);
    }
  }
  throw new uiUtil_IllegalArgumentException("Invalid value " + value);
};
uiHtml_Group.__getDomObjectsByEither = function(id, name) {
  var domObjects;
  var domObject = uiHtml_Document.getInstance().getDomObjectById(id, false);
  if (domObject == null) {
    domObjects = uiHtml_Document.getInstance().getDomObjectsByName(name, false);
  }
  else {
    domObjects = new Array(domObject);
  }
  if (domObjects[0] == null) {
    throw new uiUtil_IllegalArgumentException(
        "Invalid element ID: " + id + " and name: " + name);
  }
  return domObjects;
};
uiHtml_Group.createByEither = function(id, name) {
  var domObjects = uiHtml_Group.__getDomObjectsByEither(id, name);
  try {
    if (uiHtml_Element.getWidgetType(domObjects[0]) == "select") {
      return new uiHtml_Select(domObjects[0]);
    }
    else {
      return new uiHtml_Group(domObjects);
    }
  }
  catch (e) {
    if (e instanceof uiUtil_Exception) {
      throw new uiUtil_CreateException("[" + name + "] " + e.getMessage());
    }
  }
};
uiHtml_Group.__getWrapper = function(domElement) {
  switch(uiHtml_Element.getWidgetType(domElement)) {
    case "checkbox" :
        return uiHtml_CheckBoxWrapper.getInstance();
    case "radio"    :
        return uiHtml_RadioWrapper.getInstance();
    default         :
        return uiHtml_ElementWrapper.getInstance();
  }
};