scrollsupporter.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 25 行

function uiHtml_ScrollSupporter(domElement) {
  this._super();
  this.__domElement = domElement;
}
uiHtml_ScrollSupporter =
    uiUtil_Object.declareClass(uiHtml_ScrollSupporter, uiUtil_Object);
uiHtml_ScrollSupporter.prototype.showScrollBars = function(optAlways) {
  this.__domElement.style.overflow = ((optAlways == true) ? "scroll" : "auto");
};
uiHtml_ScrollSupporter.prototype.hideScrollBars = function() {
  this.__domElement.style.overflow = "hidden";
};
uiHtml_ScrollSupporter.prototype.scrollToTop = function() {
  this.__domElement.scrollTop = 0;
};
uiHtml_ScrollSupporter.prototype.scrollToBottom = function() {
  this.__domElement.scrollTop = this.__domElement.scrollHeight;
};
uiHtml_ScrollSupporter.prototype.getScrollLeft = function() {
  return this.__domElement.scrollLeft;
};
uiHtml_ScrollSupporter.prototype.getScrollTop = function() {
  return this.__domElement.scrollTop;
};