79 lines
2.2 KiB
JavaScript
79 lines
2.2 KiB
JavaScript
/**
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* jQuery history event v0.1
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* Copyright (c) 2008 Tom Rodenberg <tarodenberg gmail com>
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* Licensed under the GPL (http://www.gnu.org/licenses/gpl.html) license.
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*/
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(function($) {
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var currentHash, previousNav, timer, hashTrim = /^.*#/;
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var msie = {
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iframe: null,
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getDoc: function() {
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return msie.iframe.contentWindow.document;
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},
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getHash: function() {
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return msie.getDoc().location.hash;
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},
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setHash: function(hash) {
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var d = msie.getDoc();
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d.open();
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d.close();
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d.location.hash = hash;
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}
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};
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var historycheck = function() {
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var hash = msie.iframe ? msie.getHash() : location.hash;
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if (hash != currentHash) {
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currentHash = hash;
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if (msie.iframe) {
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location.hash = currentHash;
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}
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var current = $.history.getCurrent();
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$.event.trigger('history', [current, previousNav]);
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previousNav = current;
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}
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};
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$.history = {
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add: function(hash) {
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hash = '#' + hash.replace(hashTrim, '');
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if (currentHash != hash) {
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var previous = $.history.getCurrent();
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location.hash = currentHash = hash;
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if (msie.iframe) {
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msie.setHash(currentHash);
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}
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$.event.trigger('historyadd', [$.history.getCurrent(), previous]);
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}
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if (!timer) {
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timer = setInterval(historycheck, 100);
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}
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},
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getCurrent: function() {
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if (currentHash) {
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return currentHash.replace(hashTrim, '');
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} else {
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return "";
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}
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}
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};
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$.fn.history = function(fn) {
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$(this).bind('history', fn);
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};
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$.fn.historyadd = function(fn) {
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$(this).bind('historyadd', fn);
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};
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$(function() {
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currentHash = location.hash;
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if ($.browser.msie) {
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msie.iframe = $('<iframe style="display:none" src="javascript:false;"></iframe>').prependTo('body')[0];
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msie.setHash(currentHash);
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currentHash = msie.getHash();
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}
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});
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})(jQuery);
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