Файл: framework/thirdparty/jquery-entwine/src/jquery.entwine.js
Строк: 717
<?php
try {
console.log;
}
catch (e) {
window.console = undefined;
}
(function($) {
/* Create a subclass of the jQuery object. This was introduced in jQuery 1.5, but removed again in 1.9 */
var sub = function() {
function jQuerySub( selector, context ) {
return new jQuerySub.fn.init( selector, context );
}
jQuery.extend( true, jQuerySub, $ );
jQuerySub.superclass = $;
jQuerySub.fn = jQuerySub.prototype = $();
jQuerySub.fn.constructor = jQuerySub;
jQuerySub.fn.init = function init( selector, context ) {
if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
context = jQuerySub( context );
}
return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
};
jQuerySub.fn.init.prototype = jQuerySub.fn;
var rootjQuerySub = jQuerySub(document);
return jQuerySub;
};
var namespaces = {};
$.entwine = function() {
$.fn.entwine.apply(null, arguments);
};
/**
* A couple of utility functions for accessing the store outside of this closure, and for making things
* operate in a little more easy-to-test manner
*/
$.extend($.entwine, {
/**
* Get all the namespaces. Useful for introspection? Internal interface of Namespace not guaranteed consistant
*/
namespaces: namespaces,
/**
* Remove all entwine rules
*/
clear_all_rules: function() {
// Remove proxy functions
for (var k in $.fn) { if ($.fn[k].isentwinemethod) delete $.fn[k]; }
// Remove bound events - TODO: Make this pluggable, so this code can be moved to jquery.entwine.events.js
$(document).unbind('.entwine');
$(window).unbind('.entwine');
// Remove namespaces, and start over again
for (var k in namespaces) delete namespaces[k];
for (var k in $.entwine.capture_bindings) delete $.entwine.capture_bindings[k];
},
WARN_LEVEL_NONE: 0,
WARN_LEVEL_IMPORTANT: 1,
WARN_LEVEL_BESTPRACTISE: 2,
/**
* Warning level. Set to a higher level to get warnings dumped to console.
*/
warningLevel: 0,
/** Utility to optionally display warning messages depending on level */
warn: function(message, level) {
if (level <= $.entwine.warningLevel && console && console.warn) {
console.warn(message);
if (console.trace) console.trace();
}
},
warn_exception: function(where, /* optional: */ on, e) {
if ($.entwine.WARN_LEVEL_IMPORTANT <= $.entwine.warningLevel && console && console.warn) {
if (arguments.length == 2) { e = on; on = null; }
if (on) console.warn('Uncaught exception',e,'in',where,'on',on);
else console.warn('Uncaught exception',e,'in',where);
if (e.stack) console.warn("Stack Trace:n" + e.stack);
}
}
});
/** Stores a count of definitions, so that we can sort identical selectors by definition order */
var rulecount = 0;
var Rule = Base.extend({
init: function(selector, name) {
this.selector = selector;
this.specifity = selector.specifity();
this.important = 0;
this.name = name;
this.rulecount = rulecount++;
}
});
Rule.compare = function(a, b) {
var as = a.specifity, bs = b.specifity;
return (a.important - b.important) ||
(as[0] - bs[0]) ||
(as[1] - bs[1]) ||
(as[2] - bs[2]) ||
(a.rulecount - b.rulecount) ;
};
$.entwine.RuleList = function() {
var list = [];
list.addRule = function(selector, name){
var rule = Rule(selector, name);
list[list.length] = rule;
list.sort(Rule.compare);
return rule;
};
return list;
};
var handlers = [];
/**
* A Namespace holds all the information needed for adding entwine methods to a namespace (including the _null_ namespace)
*/
$.entwine.Namespace = Base.extend({
init: function(name){
if (name && !name.match(/^[A-Za-z0-9.]+$/)) $.entwine.warn('Entwine namespace '+name+' is not formatted as period seperated identifiers', $.entwine.WARN_LEVEL_BESTPRACTISE);
name = name || '__base';
this.name = name;
this.store = {};
namespaces[name] = this;
if (name == "__base") {
this.injectee = $.fn;
this.$ = $;
}
else {
// We're in a namespace, so we build a Class that subclasses the jQuery Object Class to inject namespace functions into
this.$ = $.sub ? $.sub() : sub();
// Work around bug in sub() - subclass must share cache with root or data won't get cleared by cleanData
this.$.cache = $.cache;
this.injectee = this.$.prototype;
// We override entwine to inject the name of this namespace when defining blocks inside this namespace
var entwine_wrapper = this.injectee.entwine = function(spacename) {
var args = arguments;
if (!spacename || typeof spacename != 'string') { args = $.makeArray(args); args.unshift(name); }
else if (spacename.charAt(0) != '.') args[0] = name+'.'+spacename;
return $.fn.entwine.apply(this, args);
};
this.$.entwine = function() {
entwine_wrapper.apply(null, arguments);
};
for (var i = 0; i < handlers.length; i++) {
var handler = handlers[i], builder;
// Inject jQuery object method overrides
if (builder = handler.namespaceMethodOverrides) {
var overrides = builder(this);
for (var k in overrides) this.injectee[k] = overrides[k];
}
// Inject $.entwine function overrides
if (builder = handler.namespaceStaticOverrides) {
var overrides = builder(this);
for (var k in overrides) this.$.entwine[k] = overrides[k];
}
}
}
},
/**
* Returns a function that does selector matching against the function list for a function name
* Used by proxy for all calls, and by ctorProxy to handle _super calls
* @param {String} name - name of the function as passed in the construction object
* @param {String} funcprop - the property on the Rule object that gives the actual function to call
* @param {function} basefunc - the non-entwine function to use as the catch-all function at the bottom of the stack
*/
one: function(name, funcprop, basefunc) {
var namespace = this;
var funcs = this.store[name];
var one = function(el, args, i){
if (i === undefined) i = funcs.length;
while (i--) {
if (funcs[i].selector.matches(el)) {
var ret, tmp_i = el.i, tmp_f = el.f;
el.i = i; el.f = one;
try { ret = funcs[i][funcprop].apply(namespace.$(el), args); }
finally { el.i = tmp_i; el.f = tmp_f; }
return ret;
}
}
// If we didn't find a entwine-defined function, but there is a non-entwine function to use as a base, try that
if (basefunc) return basefunc.apply(namespace.$(el), args);
};
return one;
},
/**
* A proxy is a function attached to a callable object (either the base jQuery.fn or a subspace object) which handles
* finding and calling the correct function for each member of the current jQuery context
* @param {String} name - name of the function as passed in the construction object
* @param {function} basefunc - the non-entwine function to use as the catch-all function at the bottom of the stack
*/
build_proxy: function(name, basefunc) {
var one = this.one(name, 'func', basefunc);
var prxy = function() {
var rv, ctx = $(this);
var i = ctx.length;
while (i--) rv = one(ctx[i], arguments);
return rv;
};
return prxy;
},
bind_proxy: function(selector, name, func) {
var rulelist = this.store[name] || (this.store[name] = $.entwine.RuleList());
var rule = rulelist.addRule(selector, name); rule.func = func;
if (!this.injectee.hasOwnProperty(name) || !this.injectee[name].isentwinemethod) {
this.injectee[name] = this.build_proxy(name, this.injectee.hasOwnProperty(name) ? this.injectee[name] : null);
this.injectee[name].isentwinemethod = true;
}
if (!this.injectee[name].isentwinemethod) {
$.entwine.warn('Warning: Entwine function '+name+' clashes with regular jQuery function - entwine function will not be callable directly on jQuery object', $.entwine.WARN_LEVEL_IMPORTANT);
}
},
add: function(selector, data) {
// For every item in the hash, try ever method handler, until one returns true
for (var k in data) {
var v = data[k];
for (var i = 0; i < handlers.length; i++) {
if (handlers[i].bind && handlers[i].bind.call(this, selector, k, v)) break;
}
}
},
has: function(ctx, name) {
var rulelist = this.store[name];
if (!rulelist) return false;
/* We go forward this time, since low specifity is likely to knock out a bunch of elements quickly */
for (var i = 0 ; i < rulelist.length; i++) {
ctx = ctx.not(rulelist[i].selector);
if (!ctx.length) return true;
}
return false;
}
});
/**
* A handler is some javascript code that adds support for some time of key / value pair passed in the hash to the Namespace add method.
* The default handlers provided (and included by default) are event, ctor and properties
*/
$.entwine.Namespace.addHandler = function(handler) {
for (var i = 0; i < handlers.length && handlers[i].order < handler.order; i++) { /* Pass */ }
handlers.splice(i, 0, handler);
};
$.entwine.Namespace.addHandler({
order: 50,
bind: function(selector, k, v){
if ($.isFunction(v)) {
this.bind_proxy(selector, k, v);
return true;
}
}
});
$.extend($.fn, {
/**
* Main entwine function. Used for new definitions, calling into a namespace (or forcing the base namespace) and entering a using block
*
*/
entwine: function(spacename) {
var i = 0;
/* Don't actually work out selector until we try and define something on it - we might be opening a namespace on an function-traveresed object
which have non-standard selectors like .parents(.foo).slice(0,1) */
var selector = null;
/* By default we operator on the base namespace */
var namespace = namespaces.__base || $.entwine.Namespace();
/* If the first argument is a string, then it's the name of a namespace. Look it up */
if (typeof spacename == 'string') {
if (spacename.charAt('0') == '.') spacename = spacename.substr(1);
if (spacename) namespace = namespaces[spacename] || $.entwine.Namespace(spacename);
i=1;
}
/* All remaining arguments should either be using blocks or definition hashs */
while (i < arguments.length) {
var res = arguments[i++];
// If it's a function, call it - either it's a using block or it's a namespaced entwine definition
if ($.isFunction(res)) {
if (res.length != 1) $.entwine.warn('Function block inside entwine definition does not take $ argument properly', $.entwine.WARN_LEVEL_IMPORTANT);
res = res.call(namespace.$(this), namespace.$);
}
// If we have a entwine definition hash, inject it into namespace
if (res) {
if (selector === null) selector = this.selector ? $.selector(this.selector) : false;
if (selector) namespace.add(selector, res);
else $.entwine.warn('Entwine block given to entwine call without selector. Make sure you call $(selector).entwine when defining blocks', $.entwine.WARN_LEVEL_IMPORTANT);
}
}
/* Finally, return the jQuery object 'this' refers to, wrapped in the new namespace */
return namespace.$(this);
},
/**
* Calls the next most specific version of the current entwine method
*/
_super: function(){
var rv, i = this.length;
while (i--) {
var el = this[0];
rv = el.f(el, arguments, el.i);
}
return rv;
}
});
})(jQuery);
?>