silverstripe-framework/thirdparty/jquery-entwine/src/jquery.entwine.properties.js

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(function($) {
var entwine_prepend = '__entwine!';
var getEntwineData = function(el, namespace, property) {
return el.data(entwine_prepend + namespace + '!' + property);
};
var setEntwineData = function(el, namespace, property, value) {
return el.data(entwine_prepend + namespace + '!' + property, value);
};
var getEntwineDataAsHash = function(el, namespace) {
var hash = {};
var id = jQuery.data(el[0]);
var matchstr = entwine_prepend + namespace + '!';
var matchlen = matchstr.length;
var cache = jQuery.cache[id];
for (var k in cache) {
if (k.substr(0,matchlen) == matchstr) hash[k.substr(matchlen)] = cache[k];
}
return hash;
};
var setEntwineDataFromHash = function(el, namespace, hash) {
for (var k in hash) setEntwineData(namespace, k, hash[k]);
};
var entwineData = function(el, namespace, args) {
switch (args.length) {
case 0:
return getEntwineDataAsHash(el, namespace);
case 1:
if (typeof args[0] == 'string') return getEntwineData(el, namespace, args[0]);
else return setEntwineDataFromHash(el, namespace, args[0]);
default:
return setEntwineData(el, namespace, args[0], args[1]);
}
};
$.extend($.fn, {
entwineData: function() {
return entwineData(this, '__base', arguments);
}
});
$.entwine.Namespace.addHandler({
order: 60,
bind: function(selector, k, v) {
if (k.charAt(0) != k.charAt(0).toUpperCase()) $.entwine.warn('Entwine property '+k+' does not start with a capital letter', $.entwine.WARN_LEVEL_BESTPRACTISE);
// Create the getters and setters
var getterName = 'get'+k;
var setterName = 'set'+k;
this.bind_proxy(selector, getterName, function() { var r = this.entwineData(k); return r === undefined ? v : r; });
this.bind_proxy(selector, setterName, function(v){ return this.entwineData(k, v); });
// Get the get and set proxies we just created
var getter = this.injectee[getterName];
var setter = this.injectee[setterName];
// And bind in the jQuery-style accessor
this.bind_proxy(selector, k, function(v){ return (arguments.length == 1 ? setter : getter).call(this, v) ; });
return true;
},
namespaceMethodOverrides: function(namespace){
return {
entwineData: function() {
return entwineData(this, namespace.name, arguments);
}
};
}
});
})(jQuery);