Просмотр архива SilverStripe


<?php

(function($) {

    $.entwine.Namespace.addMethods({
        bind_capture: function(selector, event, name, capture) {
            var store  = this.captures || (this.captures = {});
            var rulelists = store[event] || (store[event] = {});
            var rulelist = rulelists[name] || (rulelists[name] = $.entwine.RuleList());

            rule = rulelist.addRule(selector, event);
            rule.handler = name;

            this.bind_proxy(selector, name, capture);
        }
    });

    var bindings = $.entwine.capture_bindings = {};

    var event_proxy = function(event) {
        return function(e) {
            var namespace, capturelists, forevent, capturelist, rule, handler, sel;

            for (var k in $.entwine.namespaces) {
                namespace = $.entwine.namespaces[k];
                capturelists = namespace.captures;

                if (capturelists && (forevent = capturelists[event])) {
                    for (var k in forevent) {
                        var capturelist = forevent[k];
                        var triggered = namespace.$([]);

                        // Stepping through each selector from most to least specific
                        var j = capturelist.length;
                        while (j--) {
                            rule = capturelist[j];
                            handler = rule.handler;
                            sel = rule.selector.selector;

                            var matching = namespace.$(sel).not(triggered);
                            matching[handler].apply(matching, arguments);

                            triggered = triggered.add(matching);
                        }
                    }
                }
            }
        }
    };

    var selector_proxy = function(selector, handler, includechildren) {
        var matcher = $.selector(selector);
        return function(e){
            if (matcher.matches(e.target)) return handler.apply(this, arguments);
        }
    };

    var document_proxy = function(selector, handler, includechildren) {
        return function(e){
            if (e.target === document) return handler.apply(this, arguments);
        }
    };

    var window_proxy = function(selector, handler, includechildren) {
        return function(e){
            if (e.target === window) return handler.apply(this, arguments);
        }
    };

    var property_proxy = function(property, handler, includechildren) {
        var matcher;

        return function(e){
            var match = this['get'+property]();

            if (typeof(match) == 'string') {
                var matcher = (matcher && match == matcher.selector) ? matcher : $.selector(match);
                if (matcher.matches(e.target)) return handler.apply(this, arguments);
            }
            else {
                if ($.inArray(e.target, match) !== -1) return handler.apply(this, arguments);
            }
        }
    };

    $.entwine.Namespace.addHandler({
        order: 10,

        bind: function(selector, k, v) {
            var match;
            if ($.isPlainObject(v) && (match = k.match(/^froms*(.*)/))) {
                var from = match[1];
                var proxyGen;

                if (from.match(/[^w]/)) proxyGen = selector_proxy;
                else if (from == 'Window' || from == 'window') proxyGen = window_proxy;
                else if (from == 'Document' || from == 'document') proxyGen = document_proxy;
                else proxyGen = property_proxy;

                for (var onevent in v) {
                    var handler = v[onevent];
                    match = onevent.match(/^on(.*)/);
                    var event = match[1];

                    this.bind_capture(selector, event, k + '_' + event, proxyGen(from, handler));

                    if (!bindings[event]) {
                        var namespaced = event.replace(/(s+|$)/g, '.entwine$1');
                        bindings[event] = event_proxy(event);

                        $(proxyGen == window_proxy ? window : document).bind(namespaced, bindings[event]);
                    }
                }

                return true;
            }
        }
    });

})(jQuery);

?>