observed.js

来自「这是一个关于java的JSP页面中使用象Swing组件的一个库文件.」· JavaScript 代码 · 共 27 行

function uiFormGuide_Observed(widgetGroup) {
  this._super();
  this.__ruleSets = new Array();
  var observed = this;
  widgetGroup.appendEventHandler("change", function(e) {
    observed._respond(e);
  });
}
uiFormGuide_Observed = uiUtil_Object.declareClass(uiFormGuide_Observed, uiUtil_Object);
uiFormGuide_Observed.prototype.addRuleSet = function(ruleSet) {
  this.__ruleSets.push(ruleSet);
};
uiFormGuide_Observed.prototype._respond = function(domEvent) {
  var ruleSetsToExecute = new Array();
  for (var i = 0; i < this.__ruleSets.length; ++i) {
    if (this.__ruleSets[i]._allRulesHold()) {
      ruleSetsToExecute.push(this.__ruleSets[i]);
    }
    else {
      this.__ruleSets[i]._undoAction(domEvent);
    }
  }
  for (var i = 0; i < ruleSetsToExecute.length; i++) {
    ruleSetsToExecute[i]._doAction(domEvent);
  }
};