Release

client/islets/core/y-block-mixin/y-block-mixin.js

@@ -0,0 +1,70 @@
+modules.define(
+    'y-block-mixin',
+    ['inherit', 'y-event-emitter', 'y-event-manager'],
+    function (provide, inherit, YEventEmitter, YEventManager) {
+
+    var YBlockMixin = inherit(YEventEmitter, {
+        __constructor: function (blockInstance, options) {
+            this._block = blockInstance;
+            this._options = options;
+            this._eventManager = new YEventManager(this);
+        },
+
+        _getBlock: function () {
+            return this._block;
+        },
+
+        _bindTo: function (emitter, event, callback) {
+            this._eventManager.bindTo(emitter, event, callback);
+            return this;
+        }
+    }, {
+
+        /**
+         * Возвращает имя миксина.
+         * Этот метод следует перекрывать при создании новых миксинов.
+         *
+         * @static
+         * @returns {String|null}
+         *
+         * @example
+         * provide(inherit(YBlockMixin, {}, {
+         *     getMixinName: function() {
+         *         return 'auto-focus';
+         *     }
+         * });
+         */
+        getMixinName: function () {
+            return 'y-block-mixin';
+        },
+
+        fromBlock: function (blockInstance, options) {
+            var mixinName = this.getMixinName();
+            var mixins = this._getMixinsFromDomNode(blockInstance.getDomNode());
+            if (!mixins[mixinName]) {
+                var Mixin = this;
+                mixins[mixinName] = new Mixin(blockInstance, options);
+            }
+            return mixins[mixinName];
+        },
+
+        /**
+         * Возвращает инстанции миксинов для данного DOM-элемента.
+         *
+         * @param {jQuery} domNode
+         * @param {Boolean} [skipCreating]
+         */
+        _getMixinsFromDomNode: function (domNode, skipCreating) {
+            var data = domNode.data(this._mixinsStorageKey);
+            if (!data && !skipCreating) {
+                data = {};
+                domNode.data(this._mixinsStorageKey, data);
+            }
+            return data;
+
+        },
+
+        _mixinsStorageKey: 'y-block-mixin'
+    });
+    provide(YBlockMixin);
+});