67 lines
2.1 KiB
JavaScript
67 lines
2.1 KiB
JavaScript
//初始化方法
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$(function () {
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navLoyoutInit();
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setTreeEvent();
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setNavEvent();
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});
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//初始化
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function navLoyoutInit() {
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//树形下拉菜单
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var ddlTree = $("select[name$=ddlColTree]");
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//下拉菜单的选项
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var option = ddlTree.find("option");
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//当前id
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var id = $.trim($(".currentId").text());
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//当前导航项的父级id
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var pid = ddlTree.find("option[selected=selected]").attr("value");
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pid = typeof (pid) == "undefined" ? "0" : pid;
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ddlTree.attr("defPid", pid);
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//
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_setChild(id, option);
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}
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//设置当前导航以及下级导航不可以选择
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function _setChild(currid, option) {
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if (currid <= 0) return;
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option.each(function (index, element) {
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if ($(this).val() == currid) {
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$(this).attr("style", "background-color: #cccccc;");
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$(this).attr("value", -1);
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//取子级
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option.each(function () {
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var pid = $(this).attr("pid");
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if (pid == currid) {
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_setChild($(this).val(), option);
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}
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});
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}
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});
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}
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//选择父级导航更改时的事件
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function setTreeEvent() {
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//树形下拉菜单
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var ddlTree = $("select[name$=ddlColTree]");
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var pid = ddlTree.attr("defPid");
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ddlTree.change(function () {
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var cid = $(this).attr("value");
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if (cid == "-1") {
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alert("请勿选择自身或自身的下级作为父级。");
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ddlTree.find("option").removeAttr("selected");
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ddlTree.find("option[value=" + pid + "]").attr("selected", "selected");
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}
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});
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}
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//设置栏目连接的事件
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function setNavEvent(){
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$(".Kns_Title").click(function(){
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var href=$(this).attr("href");
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var frame=$(window.parent.document).find("#rightIframe");
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frame.attr("src",href);
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return false;
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});
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//初始化第一页
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var href=$(".Kns_Title:last").attr("href");
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var frame=$(window.parent.document).find("#rightIframe");
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if($.trim(frame.attr("src"))=="")
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frame.attr("src",href);
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} |