74 lines
2.5 KiB
JavaScript
74 lines
2.5 KiB
JavaScript
function SelectTag(t) {
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this.child = t.child || ".default",
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this.over = t.over || "on",
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this.all = t.all || ".all",
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this.init()
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}
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$.extend(SelectTag.prototype, {
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init: function() {
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var t = this;
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t._bindEvent(),
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t._select()
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},
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_bindEvent: function() {
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var t = this;
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$(t.child).click(function(e) {
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e.preventDefault();
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var i = window.location.href
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, n = $(this).attr("rel")
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, r = $(this).attr("name");
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$(this).hasClass(t.over) || (window.location.href = t._changeURLPar(i, r, n))
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}),
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$(t.all).click(function(e) {
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e.preventDefault();
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var i = window.location.href
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, n = $(this).attr("name");
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$("[name=" + n + "]").removeClass(t.over),
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$(this).addClass(t.over),
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window.location.href = t._delUrlPar(i, n)
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})
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},
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_delUrlPar: function(t, e) {
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var n = "";
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if (t.indexOf("?") == -1)
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return t;
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n = t.substr(t.indexOf("?") + 1);
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var r = ""
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, a = "";
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if (n.indexOf("&") != -1) {
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r = n.split("&");
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for (i in r)
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r[i].split("=")[0] != e && (a = a + r[i].split("=")[0] + "=" + r[i].split("=")[1] + "&");
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return t.substr(0, t.indexOf("?")) + "?" + a.substr(0, a.length - 1)
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}
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return r = n.split("="),
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r[0] == e ? t.substr(0, t.indexOf("?")) : t
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},
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_changeURLPar: function(t, e, i) {
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var n = this
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, r = e + "=([^&]*)"
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, a = e + "=" + i
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, s = encodeURI(n._getQueryString(e));
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return t.match(r) ? t = t.replace(s, i) : t.match("[?]") ? t + "&" + a : t + "?" + a
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},
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_getQueryString: function(t) {
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var e = new RegExp("(^|&)" + t + "=([^&]*)(&|$)","i")
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, i = window.location.search.substr(1).match(e);
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return null != i ? decodeURI(i[2]) : null
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},
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_select: function() {
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var t = this
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, e = window.location.href;
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$(t.child).each(function() {
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var i = $(this).attr("name") + "=" + $(this).attr("rel")
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, n = new RegExp(encodeURI(i),"g");
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if (n.test(e)) {
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$(this).addClass(t.over);
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var r = $(this).attr("name");
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$("[name=" + r + "]").eq(0).removeClass(t.over)
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} else
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$(this).removeClass(t.over)
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})
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}
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});
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