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jquery.address.js
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jquery.address.js
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/*
* jQuery Address Plugin v${version}
* http://www.asual.com/jquery/address/
*
* Copyright (c) 2009-2010 Rostislav Hristov
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Date: ${timestamp}
*/
(function ($) {
$.address = (function () {
var _trigger = function(name) {
$($.address).trigger(
$.extend($.Event(name),
(function() {
var parameters = {},
parameterNames = $.address.parameterNames();
for (var i = 0, l = parameterNames.length; i < l; i++) {
parameters[parameterNames[i]] = $.address.parameter(parameterNames[i]);
}
return {
value: $.address.value(),
path: $.address.path(),
pathNames: $.address.pathNames(),
parameterNames: parameterNames,
parameters: parameters,
queryString: $.address.queryString()
};
}).call($.address)
)
);
},
_array = function(obj) {
return Array.prototype.slice.call(obj);
},
_bind = function(value, data, fn) {
$().bind.apply($($.address), Array.prototype.slice.call(arguments));
return $.address;
},
_unbind = function(value, fn) {
$().unbind.apply($($.address), Array.prototype.slice.call(arguments));
return $.address;
},
_supportsState = function() {
return (_h.pushState && _opts.state !== UNDEFINED);
},
_hrefState = function() {
return ('/' + _l.pathname.replace(new RegExp(_opts.state), '') +
_l.search + (_hrefHash() ? '#' + _hrefHash() : '')).replace(_re, '/');
},
_hrefHash = function() {
var index = _l.href.indexOf('#');
return index != -1 ? _crawl(_l.href.substr(index + 1), FALSE) : '';
},
_href = function() {
return _supportsState() ? _hrefState() : _hrefHash();
},
_window = function() {
try {
return top.document !== UNDEFINED && top.document.title !== UNDEFINED ? top : window;
} catch (e) {
return window;
}
},
_js = function() {
return 'javascript';
},
_strict = function(value) {
value = value.toString();
return (_opts.strict && value.substr(0, 1) != '/' ? '/' : '') + value;
},
_crawl = function(value, direction) {
if (_opts.crawlable && direction) {
return (value !== '' ? '!' : '') + value;
}
return value.replace(/^\!/, '');
},
_cssint = function(el, value) {
return parseInt(el.css(value), 10);
},
_listen = function() {
if (!_silent) {
var hash = _href(),
diff = _value != hash;
if (diff) {
if (_msie && _version < 7) {
_l.reload();
} else {
if (_msie && !_hashchange && _opts.history) {
_st(_html, 50);
}
_value = hash;
_update(FALSE);
}
}
}
},
_update = function(internal) {
_trigger(CHANGE);
_trigger(internal ? INTERNAL_CHANGE : EXTERNAL_CHANGE);
_st(_track, 10);
},
_track = function() {
if (_opts.tracker !== 'null' && _opts.tracker !== NULL) {
var fn = $.isFunction(_opts.tracker) ? _opts.tracker : _t[_opts.tracker],
value = (_l.pathname + _l.search +
($.address && !_supportsState() ? $.address.value() : ''))
.replace(/\/\//, '/').replace(/^\/$/, '');
if ($.isFunction(fn)) {
fn(value);
} else if ($.isFunction(_t.urchinTracker)) {
_t.urchinTracker(value);
} else if (_t.pageTracker !== UNDEFINED && $.isFunction(_t.pageTracker._trackPageview)) {
_t.pageTracker._trackPageview(value);
} else if (_t._gaq !== UNDEFINED && $.isFunction(_t._gaq.push)) {
_t._gaq.push(['_trackPageview', decodeURI(value)]);
}
}
},
_html = function() {
var src = _js() + ':' + FALSE + ';document.open();document.writeln(\'<html><head><title>' +
_d.title.replace(/\'/g, '\\\'') + '</title><script>var ' + ID + ' = "' + encodeURIComponent(_href()).replace(/\'/g, '\\\'') +
(_d.domain != _l.hostname ? '";document.domain="' + _d.domain : '') +
'";</' + 'script></head></html>\');document.close();';
if (_version < 7) {
_frame.src = src;
} else {
_frame.contentWindow.location.replace(src);
}
},
_options = function() {
if (_url && _qi != -1) {
var i, param, params = _url.substr(_qi + 1).split('&');
for (i = 0; i < params.length; i++) {
param = params[i].split('=');
if (/^(autoUpdate|crawlable|history|strict|wrap)$/.test(param[0])) {
_opts[param[0]] = (isNaN(param[1]) ? /^(true|yes)$/i.test(param[1]) : (parseInt(param[1], 10) !== 0));
}
if (/^(state|tracker)$/.test(param[0])) {
_opts[param[0]] = param[1];
}
}
_url = NULL;
}
_value = _href();
},
_load = function() {
if (!_loaded) {
_loaded = TRUE;
_options();
var complete = function() {
_enable.call(this);
_unescape.call(this);
},
body = $('body').ajaxComplete(complete);
complete();
if (_opts.wrap) {
var wrap = $('body > *')
.wrapAll('<div style="padding:' +
(_cssint(body, 'marginTop') + _cssint(body, 'paddingTop')) + 'px ' +
(_cssint(body, 'marginRight') + _cssint(body, 'paddingRight')) + 'px ' +
(_cssint(body, 'marginBottom') + _cssint(body, 'paddingBottom')) + 'px ' +
(_cssint(body, 'marginLeft') + _cssint(body, 'paddingLeft')) + 'px;" />')
.parent()
.wrap('<div id="' + ID + '" style="height:100%;overflow:auto;position:relative;' +
(_webkit && !window.statusbar.visible ? 'resize:both;' : '') + '" />');
$('html, body')
.css({
height: '100%',
margin: 0,
padding: 0,
overflow: 'hidden'
});
if (_webkit) {
$('<style type="text/css" />')
.appendTo('head')
.text('#' + ID + '::-webkit-resizer { background-color: #fff; }');
}
}
if (_msie && !_hashchange) {
var frameset = _d.getElementsByTagName('frameset')[0];
_frame = _d.createElement((frameset ? '' : 'i') + 'frame');
_frame.src = _js() + ':' + FALSE;
if (frameset) {
frameset.insertAdjacentElement('beforeEnd', _frame);
frameset[frameset.cols ? 'cols' : 'rows'] += ',0';
_frame.noResize = TRUE;
_frame.frameBorder = _frame.frameSpacing = 0;
} else {
_frame.style.display = 'none';
_frame.style.width = _frame.style.height = 0;
_frame.tabIndex = -1;
_d.body.insertAdjacentElement('afterBegin', _frame);
}
_st(function() {
$(_frame).bind('load', function() {
var win = _frame.contentWindow;
_value = win[ID] !== UNDEFINED ? win[ID] : '';
if (_value != _href()) {
_update(FALSE);
_l.hash = _crawl(_value, TRUE);
}
});
if (_frame.contentWindow[ID] === UNDEFINED) {
_html();
}
}, 50);
}
_st(function() {
_trigger('init');
_update(FALSE);
}, 1);
if (!_supportsState()) {
if (_hashchange) {
if (_t.addEventListener) {
_t.addEventListener(HASH_CHANGE, _listen, FALSE);
} else if (_t.attachEvent) {
_t.attachEvent('on' + HASH_CHANGE, _listen);
}
} else {
_si(_listen, 50);
}
}
if ('state' in window.history) {
$(window).trigger('popstate');
}
}
},
_enable = function() {
var el,
elements = $('a'),
length = elements.size(),
delay = 1,
index = -1,
sel = '[rel*="address:"]',
fn = function() {
if (++index != length) {
el = $(elements.get(index));
if (el.is(sel)) {
el.address(sel);
}
_st(fn, delay);
}
};
_st(fn, delay);
},
_popstate = function() {
if (_value != _href()) {
_value = _href();
_update(FALSE);
}
},
_unload = function() {
if (_t.removeEventListener) {
_t.removeEventListener(HASH_CHANGE, _listen, FALSE);
} else if (_t.detachEvent) {
_t.detachEvent('on' + HASH_CHANGE, _listen);
}
},
_unescape = function() {
if (_opts.crawlable) {
var base = _l.pathname.replace(/\/$/, ''),
fragment = '_escaped_fragment_';
if ($('body').html().indexOf(fragment) != -1) {
$('a[href]:not([href^=http]), a[href*="' + document.domain + '"]').each(function() {
var href = $(this).attr('href').replace(/^http:/, '').replace(new RegExp(base + '/?$'), '');
if (href === '' || href.indexOf(fragment) != -1) {
$(this).attr('href', '#' + encodeURI(decodeURIComponent(href.replace(new RegExp('/(.*)\\?' +
fragment + '=(.*)$'), '!$2'))));
}
});
}
}
},
UNDEFINED,
NULL = null,
ID = 'jQueryAddress',
STRING = 'string',
HASH_CHANGE = 'hashchange',
INIT = 'init',
CHANGE = 'change',
INTERNAL_CHANGE = 'internalChange',
EXTERNAL_CHANGE = 'externalChange',
TRUE = true,
FALSE = false,
_opts = {
autoUpdate: TRUE,
crawlable: FALSE,
history: TRUE,
strict: TRUE,
wrap: FALSE
},
_browser = $.browser,
_version = parseFloat(_browser.version),
_msie = !$.support.opacity,
_webkit = _browser.webkit || _browser.safari,
_t = _window(),
_d = _t.document,
_h = _t.history,
_l = _t.location,
_si = setInterval,
_st = setTimeout,
_re = /\/{2,9}/g,
_agent = navigator.userAgent,
_hashchange = 'on' + HASH_CHANGE in _t,
_frame,
_form,
_url = $('script:last').attr('src'),
_qi = _url ? _url.indexOf('?') : -1,
_title = _d.title,
_silent = FALSE,
_loaded = FALSE,
_juststart = TRUE,
_updating = FALSE,
_listeners = {},
_value = _href();
if (_msie) {
_version = parseFloat(_agent.substr(_agent.indexOf('MSIE') + 4));
if (_d.documentMode && _d.documentMode != _version) {
_version = _d.documentMode != 8 ? 7 : 8;
}
var pc = _d.onpropertychange;
_d.onpropertychange = function() {
if (pc) {
pc.call(_d);
}
if (_d.title != _title && _d.title.indexOf('#' + _href()) != -1) {
_d.title = _title;
}
};
}
if (_h.navigationMode) {
_h.navigationMode = 'compatible';
}
if (document.readyState == 'complete') {
var interval = setInterval(function() {
if ($.address) {
_load();
clearInterval(interval);
}
}, 50);
} else {
_options();
$(_load);
}
$(window).bind('popstate', _popstate).bind('unload', _unload);
return {
bind: function(type, data, fn) {
return _bind.apply(this, _array(arguments));
},
unbind: function(type, fn) {
return _unbind.apply(this, _array(arguments));
},
init: function(data, fn) {
return _bind.apply(this, [INIT].concat(_array(arguments)));
},
change: function(data, fn) {
return _bind.apply(this, [CHANGE].concat(_array(arguments)));
},
internalChange: function(data, fn) {
return _bind.apply(this, [INTERNAL_CHANGE].concat(_array(arguments)));
},
externalChange: function(data, fn) {
return _bind.apply(this, [EXTERNAL_CHANGE].concat(_array(arguments)));
},
baseURL: function() {
var url = _l.href;
if (url.indexOf('#') != -1) {
url = url.substr(0, url.indexOf('#'));
}
if (/\/$/.test(url)) {
url = url.substr(0, url.length - 1);
}
return url;
},
autoUpdate: function(value) {
if (value !== UNDEFINED) {
_opts.autoUpdate = value;
return this;
}
return _opts.autoUpdate;
},
crawlable: function(value) {
if (value !== UNDEFINED) {
_opts.crawlable = value;
return this;
}
return _opts.crawlable;
},
history: function(value) {
if (value !== UNDEFINED) {
_opts.history = value;
return this;
}
return _opts.history;
},
state: function(value) {
if (value !== UNDEFINED) {
_opts.state = value;
var hrefState = _hrefState();
if (_opts.state !== UNDEFINED) {
if (_h.pushState) {
if (hrefState.substr(0, 3) == '/#/') {
_l.replace(_opts.state.replace(/^\/$/, '') + hrefState.substr(2));
}
} else if (hrefState != '/' && hrefState.replace(/^\/#/, '') != _hrefHash()) {
_st(function() {
_l.replace(_opts.state.replace(/^\/$/, '') + '/#' + hrefState);
}, 1);
}
}
return this;
}
return _opts.state;
},
strict: function(value) {
if (value !== UNDEFINED) {
_opts.strict = value;
return this;
}
return _opts.strict;
},
tracker: function(value) {
if (value !== UNDEFINED) {
_opts.tracker = value;
return this;
}
return _opts.tracker;
},
wrap: function(value) {
if (value !== UNDEFINED) {
_opts.wrap = value;
return this;
}
return _opts.wrap;
},
update: function() {
_updating = TRUE;
this.value(_value);
_updating = FALSE;
return this;
},
title: function(value) {
if (value !== UNDEFINED) {
_st(function() {
_title = _d.title = value;
if (_juststart && _frame && _frame.contentWindow && _frame.contentWindow.document) {
_frame.contentWindow.document.title = value;
_juststart = FALSE;
}
}, 50);
return this;
}
return _d.title;
},
value: function(value) {
if (value !== UNDEFINED) {
value = _strict(value);
if (value == '/') {
value = '';
}
if (_value == value && !_updating) {
return;
}
_value = value;
if (_opts.autoUpdate || _updating) {
_update(TRUE);
if (_supportsState()) {
_h[_opts.history ? 'pushState' : 'replaceState']({}, '',
_opts.state.replace(/\/$/, '') + (_value === '' ? '/' : _value));
} else {
_silent = TRUE;
if (_webkit) {
if (_opts.history) {
_l.hash = '#' + _crawl(_value, TRUE);
} else {
_l.replace('#' + _crawl(_value, TRUE));
}
} else if (_value != _href()) {
if (_opts.history) {
_l.hash = '#' + _crawl(_value, TRUE);
} else {
_l.replace('#' + _crawl(_value, TRUE));
}
}
if ((_msie && !_hashchange) && _opts.history) {
_st(_html, 50);
}
if (_webkit) {
_st(function(){ _silent = FALSE; }, 1);
} else {
_silent = FALSE;
}
}
}
return this;
}
return _strict(_value);
},
path: function(value) {
if (value !== UNDEFINED) {
var qs = this.queryString(),
hash = this.hash();
this.value(value + (qs ? '?' + qs : '') + (hash ? '#' + hash : ''));
return this;
}
return _strict(_value).split('#')[0].split('?')[0];
},
pathNames: function() {
var path = this.path(),
names = path.replace(_re, '/').split('/');
if (path.substr(0, 1) == '/' || path.length === 0) {
names.splice(0, 1);
}
if (path.substr(path.length - 1, 1) == '/') {
names.splice(names.length - 1, 1);
}
return names;
},
queryString: function(value) {
if (value !== UNDEFINED) {
var hash = this.hash();
this.value(this.path() + (value ? '?' + value : '') + (hash ? '#' + hash : ''));
return this;
}
var arr = _value.split('?');
return arr.slice(1, arr.length).join('?').split('#')[0];
},
parameter: function(name, value, append) {
var i, params;
if (value !== UNDEFINED) {
var names = this.parameterNames();
params = [];
value = value === UNDEFINED || value === NULL ? '' : value.toString();
for (i = 0; i < names.length; i++) {
var n = names[i],
v = this.parameter(n);
if (typeof v == STRING) {
v = [v];
}
if (n == name) {
v = (value === NULL || value === '') ? [] :
(append ? v.concat([value]) : [value]);
}
for (var j = 0; j < v.length; j++) {
params.push(n + '=' + v[j]);
}
}
if ($.inArray(name, names) == -1 && value !== NULL && value !== '') {
params.push(name + '=' + value);
}
this.queryString(params.join('&'));
return this;
}
value = this.queryString();
if (value) {
var r = [];
params = value.split('&');
for (i = 0; i < params.length; i++) {
var p = params[i].split('=');
if (p[0] == name) {
r.push(p.slice(1).join('='));
}
}
if (r.length !== 0) {
return r.length != 1 ? r : r[0];
}
}
},
parameterNames: function() {
var qs = this.queryString(),
names = [];
if (qs && qs.indexOf('=') != -1) {
var params = qs.split('&');
for (var i = 0; i < params.length; i++) {
var name = params[i].split('=')[0];
if ($.inArray(name, names) == -1) {
names.push(name);
}
}
}
return names;
},
hash: function(value) {
if (value !== UNDEFINED) {
this.value(_value.split('#')[0] + (value ? '#' + value : ''));
return this;
}
var arr = _value.split('#');
return arr.slice(1, arr.length).join('#');
}
};
})();
$.fn.address = function(fn) {
var sel;
if (typeof fn == 'string') {
sel = fn;
fn = undefined;
}
if (!$(this).attr('address')) {
var f = function(e) {
if (e.shiftKey || e.ctrlKey || e.metaKey || e.which == 2) {
return true;
}
if ($(this).is('a')) {
e.preventDefault();
var value = fn ? fn.call(this) :
/address:/.test($(this).attr('rel')) ? $(this).attr('rel').split('address:')[1].split(' ')[0] :
$.address.state() !== undefined && !/^\/?$/.test($.address.state()) ?
$(this).attr('href').replace(new RegExp('^(.*' + $.address.state() + '|\\.)'), '') :
$(this).attr('href').replace(/^(#\!?|\.)/, '');
$.address.value(value);
}
};
$(sel ? sel : this).live('click', f).live('submit', function(e) {
if ($(this).is('form')) {
e.preventDefault();
var action = $(this).attr('action'),
value = fn ? fn.call(this) : (action.indexOf('?') != -1 ? action.replace(/&$/, '') : action + '?') +
$(this).serialize();
$.address.value(value);
}
}).attr('address', true);
}
return this;
};
})(jQuery);