happstack-yui-7372.5.1: bundle/attribute-core/attribute-core-coverage.js
/*
YUI 3.7.2 (build 5639)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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_yuitest_coverage["build/attribute-core/attribute-core.js"].code=["YUI.add('attribute-core', function (Y, NAME) {",""," /**"," * The State class maintains state for a collection of named items, with"," * a varying number of properties defined."," *"," * It avoids the need to create a separate class for the item, and separate instances"," * of these classes for each item, by storing the state in a 2 level hash table,"," * improving performance when the number of items is likely to be large."," *"," * @constructor"," * @class State"," */"," Y.State = function() {"," /**"," * Hash of attributes"," * @property data"," */"," this.data = {};"," };",""," Y.State.prototype = {",""," /**"," * Adds a property to an item."," *"," * @method add"," * @param name {String} The name of the item."," * @param key {String} The name of the property."," * @param val {Any} The value of the property."," */"," add: function(name, key, val) {"," var item = this.data[name];",""," if (!item) {"," item = this.data[name] = {};"," }",""," item[key] = val;"," },",""," /**"," * Adds multiple properties to an item."," *"," * @method addAll"," * @param name {String} The name of the item."," * @param obj {Object} A hash of property/value pairs."," */"," addAll: function(name, obj) {"," var item = this.data[name],"," key;",""," if (!item) {"," item = this.data[name] = {};"," }",""," for (key in obj) {"," if (obj.hasOwnProperty(key)) {"," item[key] = obj[key];"," }"," }"," },",""," /**"," * Removes a property from an item."," *"," * @method remove"," * @param name {String} The name of the item."," * @param key {String} The property to remove."," */"," remove: function(name, key) {"," var item = this.data[name];",""," if (item) {"," delete item[key];"," }"," },",""," /**"," * Removes multiple properties from an item, or removes the item completely."," *"," * @method removeAll"," * @param name {String} The name of the item."," * @param obj {Object|Array} Collection of properties to delete. If not provided, the entire item is removed."," */"," removeAll: function(name, obj) {"," var data;",""," if (!obj) {"," data = this.data;",""," if (name in data) {"," delete data[name];"," }"," } else {"," Y.each(obj, function(value, key) {"," this.remove(name, typeof key === 'string' ? key : value);"," }, this);"," }"," },",""," /**"," * For a given item, returns the value of the property requested, or undefined if not found."," *"," * @method get"," * @param name {String} The name of the item"," * @param key {String} Optional. The property value to retrieve."," * @return {Any} The value of the supplied property."," */"," get: function(name, key) {"," var item = this.data[name];",""," if (item) {"," return item[key];"," }"," },",""," /**"," * For the given item, returns an object with all of the"," * item's property/value pairs. By default the object returned"," * is a shallow copy of the stored data, but passing in true"," * as the second parameter will return a reference to the stored"," * data."," *"," * @method getAll"," * @param name {String} The name of the item"," * @param reference {boolean} true, if you want a reference to the stored"," * object"," * @return {Object} An object with property/value pairs for the item."," */"," getAll : function(name, reference) {"," var item = this.data[name],"," key, obj;",""," if (reference) {"," obj = item;"," } else if (item) {"," obj = {};",""," for (key in item) {"," if (item.hasOwnProperty(key)) {"," obj[key] = item[key];"," }"," }"," }",""," return obj;"," }"," };"," /**"," * The attribute module provides an augmentable Attribute implementation, which "," * adds configurable attributes and attribute change events to the class being "," * augmented. It also provides a State class, which is used internally by Attribute,"," * but can also be used independently to provide a name/property/value data structure to"," * store state."," *"," * @module attribute"," */",""," /**"," * The attribute-core submodule provides the lightest level of attribute handling support "," * without Attribute change events, or lesser used methods such as reset(), modifyAttrs(),"," * and removeAttr()."," *"," * @module attribute"," * @submodule attribute-core"," */"," var O = Y.Object,"," Lang = Y.Lang,",""," DOT = \".\",",""," // Externally configurable props"," GETTER = \"getter\","," SETTER = \"setter\","," READ_ONLY = \"readOnly\","," WRITE_ONCE = \"writeOnce\","," INIT_ONLY = \"initOnly\","," VALIDATOR = \"validator\","," VALUE = \"value\","," VALUE_FN = \"valueFn\","," LAZY_ADD = \"lazyAdd\",",""," // Used for internal state management"," ADDED = \"added\","," BYPASS_PROXY = \"_bypassProxy\","," INITIALIZING = \"initializing\","," INIT_VALUE = \"initValue\","," LAZY = \"lazy\","," IS_LAZY_ADD = \"isLazyAdd\",",""," INVALID_VALUE;",""," /**"," * <p>"," * AttributeCore provides the lightest level of configurable attribute support. It is designed to be "," * augmented on to a host class, and provides the host with the ability to configure "," * attributes to store and retrieve state, <strong>but without support for attribute change events</strong>."," * </p>"," * <p>For example, attributes added to the host can be configured:</p>"," * <ul>"," * <li>As read only.</li>"," * <li>As write once.</li>"," * <li>With a setter function, which can be used to manipulate"," * values passed to Attribute's <a href=\"#method_set\">set</a> method, before they are stored.</li>"," * <li>With a getter function, which can be used to manipulate stored values,"," * before they are returned by Attribute's <a href=\"#method_get\">get</a> method.</li>"," * <li>With a validator function, to validate values before they are stored.</li>"," * </ul>"," *"," * <p>See the <a href=\"#method_addAttr\">addAttr</a> method, for the complete set of configuration"," * options available for attributes.</p>"," * "," * <p>Object/Classes based on AttributeCore can augment <a href=\"AttributeEvents.html\">AttributeEvents</a> "," * (with true for overwrite) and <a href=\"AttributeExtras.html\">AttributeExtras</a> to add attribute event and "," * additional, less commonly used attribute methods, such as `modifyAttr`, `removeAttr` and `reset`.</p> "," *"," * @class AttributeCore"," * @param attrs {Object} The attributes to add during construction (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor."," * @param values {Object} The initial attribute values to apply (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required."," * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href=\"#method_addAttrs\">addAttrs</a>)."," */"," function AttributeCore(attrs, values, lazy) {"," this._initAttrHost(attrs, values, lazy); "," }",""," /**"," * <p>The value to return from an attribute setter in order to prevent the set from going through.</p>"," *"," * <p>You can return this value from your setter if you wish to combine validator and setter "," * functionality into a single setter function, which either returns the massaged value to be stored or "," * AttributeCore.INVALID_VALUE to prevent invalid values from being stored.</p>"," *"," * @property INVALID_VALUE"," * @type Object"," * @static"," * @final"," */"," AttributeCore.INVALID_VALUE = {};"," INVALID_VALUE = AttributeCore.INVALID_VALUE;",""," /**"," * The list of properties which can be configured for "," * each attribute (e.g. setter, getter, writeOnce etc.)."," *"," * This property is used internally as a whitelist for faster"," * Y.mix operations."," *"," * @property _ATTR_CFG"," * @type Array"," * @static"," * @protected"," */"," AttributeCore._ATTR_CFG = [SETTER, GETTER, VALIDATOR, VALUE, VALUE_FN, WRITE_ONCE, READ_ONLY, LAZY_ADD, BYPASS_PROXY];",""," AttributeCore.prototype = {",""," /**"," * Constructor logic for attributes. Initializes the host state, and sets up the inital attributes passed to the "," * constructor."," *"," * @method _initAttrHost"," * @param attrs {Object} The attributes to add during construction (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor."," * @param values {Object} The initial attribute values to apply (passed through to <a href=\"#method_addAttrs\">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required."," * @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href=\"#method_addAttrs\">addAttrs</a>)."," * @private"," */"," _initAttrHost : function(attrs, values, lazy) {"," this._state = new Y.State();"," this._initAttrs(attrs, values, lazy);"," },",""," /**"," * <p>"," * Adds an attribute with the provided configuration to the host object."," * </p>"," * <p>"," * The config argument object supports the following properties:"," * </p>"," * "," * <dl>"," * <dt>value <Any></dt>"," * <dd>The initial value to set on the attribute</dd>"," *"," * <dt>valueFn <Function | String></dt>"," * <dd>"," * <p>A function, which will return the initial value to set on the attribute. This is useful"," * for cases where the attribute configuration is defined statically, but needs to "," * reference the host instance (\"this\") to obtain an initial value. If both the value and valueFn properties are defined, "," * the value returned by the valueFn has precedence over the value property, unless it returns undefined, in which "," * case the value property is used.</p>"," *"," * <p>valueFn can also be set to a string, representing the name of the instance method to be used to retrieve the value.</p>"," * </dd>"," *"," * <dt>readOnly <boolean></dt>"," * <dd>Whether or not the attribute is read only. Attributes having readOnly set to true"," * cannot be modified by invoking the set method.</dd>"," *"," * <dt>writeOnce <boolean> or <string></dt>"," * <dd>"," * Whether or not the attribute is \"write once\". Attributes having writeOnce set to true, "," * can only have their values set once, be it through the default configuration, "," * constructor configuration arguments, or by invoking set."," * <p>The writeOnce attribute can also be set to the string \"initOnly\", in which case the attribute can only be set during initialization"," * (when used with Base, this means it can only be set during construction)</p>"," * </dd>"," *"," * <dt>setter <Function | String></dt>"," * <dd>"," * <p>The setter function used to massage or normalize the value passed to the set method for the attribute. "," * The value returned by the setter will be the final stored value. Returning"," * <a href=\"#property_Attribute.INVALID_VALUE\">Attribute.INVALID_VALUE</a>, from the setter will prevent"," * the value from being stored."," * </p>"," * "," * <p>setter can also be set to a string, representing the name of the instance method to be used as the setter function.</p>"," * </dd>"," * "," * <dt>getter <Function | String></dt>"," * <dd>"," * <p>"," * The getter function used to massage or normalize the value returned by the get method for the attribute."," * The value returned by the getter function is the value which will be returned to the user when they "," * invoke get."," * </p>"," *"," * <p>getter can also be set to a string, representing the name of the instance method to be used as the getter function.</p>"," * </dd>"," *"," * <dt>validator <Function | String></dt>"," * <dd>"," * <p>"," * The validator function invoked prior to setting the stored value. Returning"," * false from the validator function will prevent the value from being stored."," * </p>"," * "," * <p>validator can also be set to a string, representing the name of the instance method to be used as the validator function.</p>"," * </dd>"," *"," * <dt>lazyAdd <boolean></dt>"," * <dd>Whether or not to delay initialization of the attribute until the first call to get/set it. "," * This flag can be used to over-ride lazy initialization on a per attribute basis, when adding multiple attributes through "," * the <a href=\"#method_addAttrs\">addAttrs</a> method.</dd>"," *"," * </dl>"," *"," * <p>The setter, getter and validator are invoked with the value and name passed in as the first and second arguments, and with"," * the context (\"this\") set to the host object.</p>"," *"," * <p>Configuration properties outside of the list mentioned above are considered private properties used internally by attribute, "," * and are not intended for public use.</p>"," * "," * @method addAttr"," *"," * @param {String} name The name of the attribute."," * @param {Object} config An object with attribute configuration property/value pairs, specifying the configuration for the attribute."," *"," * <p>"," * <strong>NOTE:</strong> The configuration object is modified when adding an attribute, so if you need "," * to protect the original values, you will need to merge the object."," * </p>"," *"," * @param {boolean} lazy (optional) Whether or not to add this attribute lazily (on the first call to get/set). "," *"," * @return {Object} A reference to the host object."," *"," * @chainable"," */"," addAttr: function(name, config, lazy) {","",""," var host = this, // help compression"," state = host._state,"," value,"," hasValue;",""," config = config || {};",""," lazy = (LAZY_ADD in config) ? config[LAZY_ADD] : lazy;",""," if (lazy && !host.attrAdded(name)) {"," state.addAll(name, {"," lazy : config,"," added : true"," });"," } else {","",""," if (!host.attrAdded(name) || state.get(name, IS_LAZY_ADD)) {",""," hasValue = (VALUE in config);","",""," if (hasValue) {"," // We'll go through set, don't want to set value in config directly"," value = config.value;"," delete config.value;"," }",""," config.added = true;"," config.initializing = true;",""," state.addAll(name, config);",""," if (hasValue) {"," // Go through set, so that raw values get normalized/validated"," host.set(name, value);"," }",""," state.remove(name, INITIALIZING);"," }"," }",""," return host;"," },",""," /**"," * Checks if the given attribute has been added to the host"," *"," * @method attrAdded"," * @param {String} name The name of the attribute to check."," * @return {boolean} true if an attribute with the given name has been added, false if it hasn't. This method will return true for lazily added attributes."," */"," attrAdded: function(name) {"," return !!this._state.get(name, ADDED);"," },",""," /**"," * Returns the current value of the attribute. If the attribute"," * has been configured with a 'getter' function, this method will delegate"," * to the 'getter' to obtain the value of the attribute."," *"," * @method get"," *"," * @param {String} name The name of the attribute. If the value of the attribute is an Object, "," * dot notation can be used to obtain the value of a property of the object (e.g. <code>get(\"x.y.z\")</code>)"," *"," * @return {Any} The value of the attribute"," */"," get : function(name) {"," return this._getAttr(name);"," },",""," /**"," * Checks whether or not the attribute is one which has been"," * added lazily and still requires initialization."," *"," * @method _isLazyAttr"," * @private"," * @param {String} name The name of the attribute"," * @return {boolean} true if it's a lazily added attribute, false otherwise."," */"," _isLazyAttr: function(name) {"," return this._state.get(name, LAZY);"," },",""," /**"," * Finishes initializing an attribute which has been lazily added."," *"," * @method _addLazyAttr"," * @private"," * @param {Object} name The name of the attribute"," */"," _addLazyAttr: function(name, cfg) {"," var state = this._state,"," lazyCfg = state.get(name, LAZY);",""," state.add(name, IS_LAZY_ADD, true);"," state.remove(name, LAZY);"," this.addAttr(name, lazyCfg);"," },",""," /**"," * Sets the value of an attribute."," *"," * @method set"," * @chainable"," *"," * @param {String} name The name of the attribute. If the "," * current value of the attribute is an Object, dot notation can be used"," * to set the value of a property within the object (e.g. <code>set(\"x.y.z\", 5)</code>)."," *"," * @param {Any} value The value to set the attribute to."," *"," * @return {Object} A reference to the host object."," */"," set : function(name, val) {"," return this._setAttr(name, val);"," },",""," /**"," * Allows setting of readOnly/writeOnce attributes. See <a href=\"#method_set\">set</a> for argument details."," *"," * @method _set"," * @protected"," * @chainable"," * "," * @param {String} name The name of the attribute."," * @param {Any} val The value to set the attribute to."," * @return {Object} A reference to the host object."," */"," _set : function(name, val) {"," return this._setAttr(name, val, null, true);"," },",""," /**"," * Provides the common implementation for the public set and protected _set methods."," *"," * See <a href=\"#method_set\">set</a> for argument details."," *"," * @method _setAttr"," * @protected"," * @chainable"," *"," * @param {String} name The name of the attribute."," * @param {Any} value The value to set the attribute to."," * @param {Object} opts (Optional) Optional event data to be mixed into"," * the event facade passed to subscribers of the attribute's change event."," * This is currently a hack. There's no real need for the AttributeCore implementation"," * to support this parameter, but breaking it out into AttributeEvents, results in"," * additional function hops for the critical path."," * @param {boolean} force If true, allows the caller to set values for "," * readOnly or writeOnce attributes which have already been set."," *"," * @return {Object} A reference to the host object."," */"," _setAttr : function(name, val, opts, force) {"," "," // HACK - no real reason core needs to know about opts, but "," // it adds fn hops if we want to break it out. "," // Not sure it's worth it for this critical path"," "," var allowSet = true,"," state = this._state,"," stateProxy = this._stateProxy,"," cfg,"," initialSet,"," strPath,"," path,"," currVal,"," writeOnce,"," initializing;",""," if (name.indexOf(DOT) !== -1) {"," strPath = name;"," path = name.split(DOT);"," name = path.shift();"," }",""," if (this._isLazyAttr(name)) {"," this._addLazyAttr(name);"," }",""," cfg = state.getAll(name, true) || {}; ",""," initialSet = (!(VALUE in cfg));",""," if (stateProxy && name in stateProxy && !cfg._bypassProxy) {"," // TODO: Value is always set for proxy. Can we do any better? Maybe take a snapshot as the initial value for the first call to set? "," initialSet = false;"," }",""," writeOnce = cfg.writeOnce;"," initializing = cfg.initializing;",""," if (!initialSet && !force) {",""," if (writeOnce) {"," allowSet = false;"," }",""," if (cfg.readOnly) {"," allowSet = false;"," }"," }",""," if (!initializing && !force && writeOnce === INIT_ONLY) {"," allowSet = false;"," }",""," if (allowSet) {"," // Don't need currVal if initialSet (might fail in custom getter if it always expects a non-undefined/non-null value)"," if (!initialSet) {"," currVal = this.get(name);"," }",""," if (path) {"," val = O.setValue(Y.clone(currVal), path, val);",""," if (val === undefined) {"," allowSet = false;"," }"," }",""," if (allowSet) {"," if (!this._fireAttrChange || initializing) {"," this._setAttrVal(name, strPath, currVal, val);"," } else {"," // HACK - no real reason core needs to know about _fireAttrChange, but "," // it adds fn hops if we want to break it out. Not sure it's worth it for this critical path"," this._fireAttrChange(name, strPath, currVal, val, opts);"," }"," }"," }",""," return this;"," },",""," /**"," * Provides the common implementation for the public get method,"," * allowing Attribute hosts to over-ride either method."," *"," * See <a href=\"#method_get\">get</a> for argument details."," *"," * @method _getAttr"," * @protected"," * @chainable"," *"," * @param {String} name The name of the attribute."," * @return {Any} The value of the attribute."," */"," _getAttr : function(name) {"," var host = this, // help compression"," fullName = name,"," state = host._state,"," path,"," getter,"," val,"," cfg;",""," if (name.indexOf(DOT) !== -1) {"," path = name.split(DOT);"," name = path.shift();"," }",""," // On Demand - Should be rare - handles out of order valueFn references"," if (host._tCfgs && host._tCfgs[name]) {"," cfg = {};"," cfg[name] = host._tCfgs[name];"," delete host._tCfgs[name];"," host._addAttrs(cfg, host._tVals);"," }"," "," // Lazy Init"," if (host._isLazyAttr(name)) {"," host._addLazyAttr(name);"," }",""," val = host._getStateVal(name);"," "," getter = state.get(name, GETTER);",""," if (getter && !getter.call) {"," getter = this[getter];"," }",""," val = (getter) ? getter.call(host, val, fullName) : val;"," val = (path) ? O.getValue(val, path) : val;",""," return val;"," },",""," /**"," * Gets the stored value for the attribute, from either the "," * internal state object, or the state proxy if it exits"," * "," * @method _getStateVal"," * @private"," * @param {String} name The name of the attribute"," * @return {Any} The stored value of the attribute"," */"," _getStateVal : function(name) {"," var stateProxy = this._stateProxy;"," return stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY) ? stateProxy[name] : this._state.get(name, VALUE);"," },",""," /**"," * Sets the stored value for the attribute, in either the "," * internal state object, or the state proxy if it exits"," *"," * @method _setStateVal"," * @private"," * @param {String} name The name of the attribute"," * @param {Any} value The value of the attribute"," */"," _setStateVal : function(name, value) {"," var stateProxy = this._stateProxy;"," if (stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY)) {"," stateProxy[name] = value;"," } else {"," this._state.add(name, VALUE, value);"," }"," },",""," /**"," * Updates the stored value of the attribute in the privately held State object,"," * if validation and setter passes."," *"," * @method _setAttrVal"," * @private"," * @param {String} attrName The attribute name."," * @param {String} subAttrName The sub-attribute name, if setting a sub-attribute property (\"x.y.z\")."," * @param {Any} prevVal The currently stored value of the attribute."," * @param {Any} newVal The value which is going to be stored."," * "," * @return {booolean} true if the new attribute value was stored, false if not."," */"," _setAttrVal : function(attrName, subAttrName, prevVal, newVal) {",""," var host = this,"," allowSet = true,"," cfg = this._state.getAll(attrName, true) || {},"," validator = cfg.validator,"," setter = cfg.setter,"," initializing = cfg.initializing,"," prevRawVal = this._getStateVal(attrName),"," name = subAttrName || attrName,"," retVal,"," valid;",""," if (validator) {"," if (!validator.call) { "," // Assume string - trying to keep critical path tight, so avoiding Lang check"," validator = this[validator];"," }"," if (validator) {"," valid = validator.call(host, newVal, name);",""," if (!valid && initializing) {"," newVal = cfg.defaultValue;"," valid = true; // Assume it's valid, for perf."," }"," }"," }",""," if (!validator || valid) {"," if (setter) {"," if (!setter.call) {"," // Assume string - trying to keep critical path tight, so avoiding Lang check"," setter = this[setter];"," }"," if (setter) {"," retVal = setter.call(host, newVal, name);",""," if (retVal === INVALID_VALUE) {"," allowSet = false;"," } else if (retVal !== undefined){"," newVal = retVal;"," }"," }"," }",""," if (allowSet) {"," if(!subAttrName && (newVal === prevRawVal) && !Lang.isObject(newVal)) {"," allowSet = false;"," } else {"," // Store value"," if (!(INIT_VALUE in cfg)) {"," cfg.initValue = newVal;"," }"," host._setStateVal(attrName, newVal);"," }"," }",""," } else {"," allowSet = false;"," }",""," return allowSet;"," },",""," /**"," * Sets multiple attribute values."," *"," * @method setAttrs"," * @param {Object} attrs An object with attributes name/value pairs."," * @return {Object} A reference to the host object."," * @chainable"," */"," setAttrs : function(attrs) {"," return this._setAttrs(attrs);"," },",""," /**"," * Implementation behind the public setAttrs method, to set multiple attribute values."," *"," * @method _setAttrs"," * @protected"," * @param {Object} attrs An object with attributes name/value pairs."," * @return {Object} A reference to the host object."," * @chainable"," */"," _setAttrs : function(attrs) {"," var attr;"," for (attr in attrs) {"," if ( attrs.hasOwnProperty(attr) ) {"," this.set(attr, attrs[attr]);"," }"," }"," return this;"," },",""," /**"," * Gets multiple attribute values."," *"," * @method getAttrs"," * @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are"," * returned. If set to true, all attributes modified from their initial values are returned."," * @return {Object} An object with attribute name/value pairs."," */"," getAttrs : function(attrs) {"," return this._getAttrs(attrs);"," },",""," /**"," * Implementation behind the public getAttrs method, to get multiple attribute values."," *"," * @method _getAttrs"," * @protected"," * @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are"," * returned. If set to true, all attributes modified from their initial values are returned."," * @return {Object} An object with attribute name/value pairs."," */"," _getAttrs : function(attrs) {"," var obj = {},"," attr, i, len,"," modifiedOnly = (attrs === true);",""," // TODO - figure out how to get all \"added\""," if (!attrs || modifiedOnly) {"," attrs = O.keys(this._state.data);"," }",""," for (i = 0, len = attrs.length; i < len; i++) {"," attr = attrs[i];",""," if (!modifiedOnly || this._getStateVal(attr) != this._state.get(attr, INIT_VALUE)) {"," // Go through get, to honor cloning/normalization"," obj[attr] = this.get(attr);"," }"," }",""," return obj;"," },",""," /**"," * Configures a group of attributes, and sets initial values."," *"," * <p>"," * <strong>NOTE:</strong> This method does not isolate the configuration object by merging/cloning. "," * The caller is responsible for merging/cloning the configuration object if required."," * </p>"," *"," * @method addAttrs"," * @chainable"," *"," * @param {Object} cfgs An object with attribute name/configuration pairs."," * @param {Object} values An object with attribute name/value pairs, defining the initial values to apply."," * Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only."," * @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set."," * Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration."," * See <a href=\"#method_addAttr\">addAttr</a>."," * "," * @return {Object} A reference to the host object."," */"," addAttrs : function(cfgs, values, lazy) {"," var host = this; // help compression"," if (cfgs) {"," host._tCfgs = cfgs;"," host._tVals = host._normAttrVals(values);"," host._addAttrs(cfgs, host._tVals, lazy);"," host._tCfgs = host._tVals = null;"," }",""," return host;"," },",""," /**"," * Implementation behind the public addAttrs method. 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YUI.add('attribute-core', function (Y, NAME) {
/**
* The State class maintains state for a collection of named items, with
* a varying number of properties defined.
*
* It avoids the need to create a separate class for the item, and separate instances
* of these classes for each item, by storing the state in a 2 level hash table,
* improving performance when the number of items is likely to be large.
*
* @constructor
* @class State
*/
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* @property data
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Y.State.prototype = {
/**
* Adds a property to an item.
*
* @method add
* @param name {String} The name of the item.
* @param key {String} The name of the property.
* @param val {Any} The value of the property.
*/
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},
/**
* Adds multiple properties to an item.
*
* @method addAll
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*/
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*/
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},
/**
* Removes multiple properties from an item, or removes the item completely.
*
* @method removeAll
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*/
removeAll: function(name, obj) {
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/**
* For a given item, returns the value of the property requested, or undefined if not found.
*
* @method get
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* @param key {String} Optional. The property value to retrieve.
* @return {Any} The value of the supplied property.
*/
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* item's property/value pairs. By default the object returned
* is a shallow copy of the stored data, but passing in true
* as the second parameter will return a reference to the stored
* data.
*
* @method getAll
* @param name {String} The name of the item
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* object
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*/
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};
/**
* The attribute module provides an augmentable Attribute implementation, which
* adds configurable attributes and attribute change events to the class being
* augmented. It also provides a State class, which is used internally by Attribute,
* but can also be used independently to provide a name/property/value data structure to
* store state.
*
* @module attribute
*/
/**
* The attribute-core submodule provides the lightest level of attribute handling support
* without Attribute change events, or lesser used methods such as reset(), modifyAttrs(),
* and removeAttr().
*
* @module attribute
* @submodule attribute-core
*/
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var O = Y.Object,
Lang = Y.Lang,
DOT = ".",
// Externally configurable props
GETTER = "getter",
SETTER = "setter",
READ_ONLY = "readOnly",
WRITE_ONCE = "writeOnce",
INIT_ONLY = "initOnly",
VALIDATOR = "validator",
VALUE = "value",
VALUE_FN = "valueFn",
LAZY_ADD = "lazyAdd",
// Used for internal state management
ADDED = "added",
BYPASS_PROXY = "_bypassProxy",
INITIALIZING = "initializing",
INIT_VALUE = "initValue",
LAZY = "lazy",
IS_LAZY_ADD = "isLazyAdd",
INVALID_VALUE;
/**
* <p>
* AttributeCore provides the lightest level of configurable attribute support. It is designed to be
* augmented on to a host class, and provides the host with the ability to configure
* attributes to store and retrieve state, <strong>but without support for attribute change events</strong>.
* </p>
* <p>For example, attributes added to the host can be configured:</p>
* <ul>
* <li>As read only.</li>
* <li>As write once.</li>
* <li>With a setter function, which can be used to manipulate
* values passed to Attribute's <a href="#method_set">set</a> method, before they are stored.</li>
* <li>With a getter function, which can be used to manipulate stored values,
* before they are returned by Attribute's <a href="#method_get">get</a> method.</li>
* <li>With a validator function, to validate values before they are stored.</li>
* </ul>
*
* <p>See the <a href="#method_addAttr">addAttr</a> method, for the complete set of configuration
* options available for attributes.</p>
*
* <p>Object/Classes based on AttributeCore can augment <a href="AttributeEvents.html">AttributeEvents</a>
* (with true for overwrite) and <a href="AttributeExtras.html">AttributeExtras</a> to add attribute event and
* additional, less commonly used attribute methods, such as `modifyAttr`, `removeAttr` and `reset`.</p>
*
* @class AttributeCore
* @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
* @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
* @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
*/
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}
/**
* <p>The value to return from an attribute setter in order to prevent the set from going through.</p>
*
* <p>You can return this value from your setter if you wish to combine validator and setter
* functionality into a single setter function, which either returns the massaged value to be stored or
* AttributeCore.INVALID_VALUE to prevent invalid values from being stored.</p>
*
* @property INVALID_VALUE
* @type Object
* @static
* @final
*/
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INVALID_VALUE = AttributeCore.INVALID_VALUE;
/**
* The list of properties which can be configured for
* each attribute (e.g. setter, getter, writeOnce etc.).
*
* This property is used internally as a whitelist for faster
* Y.mix operations.
*
* @property _ATTR_CFG
* @type Array
* @static
* @protected
*/
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AttributeCore.prototype = {
/**
* Constructor logic for attributes. Initializes the host state, and sets up the inital attributes passed to the
* constructor.
*
* @method _initAttrHost
* @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
* @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
* @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
* @private
*/
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},
/**
* <p>
* Adds an attribute with the provided configuration to the host object.
* </p>
* <p>
* The config argument object supports the following properties:
* </p>
*
* <dl>
* <dt>value <Any></dt>
* <dd>The initial value to set on the attribute</dd>
*
* <dt>valueFn <Function | String></dt>
* <dd>
* <p>A function, which will return the initial value to set on the attribute. This is useful
* for cases where the attribute configuration is defined statically, but needs to
* reference the host instance ("this") to obtain an initial value. If both the value and valueFn properties are defined,
* the value returned by the valueFn has precedence over the value property, unless it returns undefined, in which
* case the value property is used.</p>
*
* <p>valueFn can also be set to a string, representing the name of the instance method to be used to retrieve the value.</p>
* </dd>
*
* <dt>readOnly <boolean></dt>
* <dd>Whether or not the attribute is read only. Attributes having readOnly set to true
* cannot be modified by invoking the set method.</dd>
*
* <dt>writeOnce <boolean> or <string></dt>
* <dd>
* Whether or not the attribute is "write once". Attributes having writeOnce set to true,
* can only have their values set once, be it through the default configuration,
* constructor configuration arguments, or by invoking set.
* <p>The writeOnce attribute can also be set to the string "initOnly", in which case the attribute can only be set during initialization
* (when used with Base, this means it can only be set during construction)</p>
* </dd>
*
* <dt>setter <Function | String></dt>
* <dd>
* <p>The setter function used to massage or normalize the value passed to the set method for the attribute.
* The value returned by the setter will be the final stored value. Returning
* <a href="#property_Attribute.INVALID_VALUE">Attribute.INVALID_VALUE</a>, from the setter will prevent
* the value from being stored.
* </p>
*
* <p>setter can also be set to a string, representing the name of the instance method to be used as the setter function.</p>
* </dd>
*
* <dt>getter <Function | String></dt>
* <dd>
* <p>
* The getter function used to massage or normalize the value returned by the get method for the attribute.
* The value returned by the getter function is the value which will be returned to the user when they
* invoke get.
* </p>
*
* <p>getter can also be set to a string, representing the name of the instance method to be used as the getter function.</p>
* </dd>
*
* <dt>validator <Function | String></dt>
* <dd>
* <p>
* The validator function invoked prior to setting the stored value. Returning
* false from the validator function will prevent the value from being stored.
* </p>
*
* <p>validator can also be set to a string, representing the name of the instance method to be used as the validator function.</p>
* </dd>
*
* <dt>lazyAdd <boolean></dt>
* <dd>Whether or not to delay initialization of the attribute until the first call to get/set it.
* This flag can be used to over-ride lazy initialization on a per attribute basis, when adding multiple attributes through
* the <a href="#method_addAttrs">addAttrs</a> method.</dd>
*
* </dl>
*
* <p>The setter, getter and validator are invoked with the value and name passed in as the first and second arguments, and with
* the context ("this") set to the host object.</p>
*
* <p>Configuration properties outside of the list mentioned above are considered private properties used internally by attribute,
* and are not intended for public use.</p>
*
* @method addAttr
*
* @param {String} name The name of the attribute.
* @param {Object} config An object with attribute configuration property/value pairs, specifying the configuration for the attribute.
*
* <p>
* <strong>NOTE:</strong> The configuration object is modified when adding an attribute, so if you need
* to protect the original values, you will need to merge the object.
* </p>
*
* @param {boolean} lazy (optional) Whether or not to add this attribute lazily (on the first call to get/set).
*
* @return {Object} A reference to the host object.
*
* @chainable
*/
addAttr: function(name, config, lazy) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "addAttr", 370);
_yuitest_coverline("build/attribute-core/attribute-core.js", 373);
var host = this, // help compression
state = host._state,
value,
hasValue;
_yuitest_coverline("build/attribute-core/attribute-core.js", 378);
config = config || {};
_yuitest_coverline("build/attribute-core/attribute-core.js", 380);
lazy = (LAZY_ADD in config) ? config[LAZY_ADD] : lazy;
_yuitest_coverline("build/attribute-core/attribute-core.js", 382);
if (lazy && !host.attrAdded(name)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 383);
state.addAll(name, {
lazy : config,
added : true
});
} else {
_yuitest_coverline("build/attribute-core/attribute-core.js", 390);
if (!host.attrAdded(name) || state.get(name, IS_LAZY_ADD)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 392);
hasValue = (VALUE in config);
_yuitest_coverline("build/attribute-core/attribute-core.js", 395);
if (hasValue) {
// We'll go through set, don't want to set value in config directly
_yuitest_coverline("build/attribute-core/attribute-core.js", 397);
value = config.value;
_yuitest_coverline("build/attribute-core/attribute-core.js", 398);
delete config.value;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 401);
config.added = true;
_yuitest_coverline("build/attribute-core/attribute-core.js", 402);
config.initializing = true;
_yuitest_coverline("build/attribute-core/attribute-core.js", 404);
state.addAll(name, config);
_yuitest_coverline("build/attribute-core/attribute-core.js", 406);
if (hasValue) {
// Go through set, so that raw values get normalized/validated
_yuitest_coverline("build/attribute-core/attribute-core.js", 408);
host.set(name, value);
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 411);
state.remove(name, INITIALIZING);
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 415);
return host;
},
/**
* Checks if the given attribute has been added to the host
*
* @method attrAdded
* @param {String} name The name of the attribute to check.
* @return {boolean} true if an attribute with the given name has been added, false if it hasn't. This method will return true for lazily added attributes.
*/
attrAdded: function(name) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "attrAdded", 425);
_yuitest_coverline("build/attribute-core/attribute-core.js", 426);
return !!this._state.get(name, ADDED);
},
/**
* Returns the current value of the attribute. If the attribute
* has been configured with a 'getter' function, this method will delegate
* to the 'getter' to obtain the value of the attribute.
*
* @method get
*
* @param {String} name The name of the attribute. If the value of the attribute is an Object,
* dot notation can be used to obtain the value of a property of the object (e.g. <code>get("x.y.z")</code>)
*
* @return {Any} The value of the attribute
*/
get : function(name) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "get", 441);
_yuitest_coverline("build/attribute-core/attribute-core.js", 442);
return this._getAttr(name);
},
/**
* Checks whether or not the attribute is one which has been
* added lazily and still requires initialization.
*
* @method _isLazyAttr
* @private
* @param {String} name The name of the attribute
* @return {boolean} true if it's a lazily added attribute, false otherwise.
*/
_isLazyAttr: function(name) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_isLazyAttr", 454);
_yuitest_coverline("build/attribute-core/attribute-core.js", 455);
return this._state.get(name, LAZY);
},
/**
* Finishes initializing an attribute which has been lazily added.
*
* @method _addLazyAttr
* @private
* @param {Object} name The name of the attribute
*/
_addLazyAttr: function(name, cfg) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_addLazyAttr", 465);
_yuitest_coverline("build/attribute-core/attribute-core.js", 466);
var state = this._state,
lazyCfg = state.get(name, LAZY);
_yuitest_coverline("build/attribute-core/attribute-core.js", 469);
state.add(name, IS_LAZY_ADD, true);
_yuitest_coverline("build/attribute-core/attribute-core.js", 470);
state.remove(name, LAZY);
_yuitest_coverline("build/attribute-core/attribute-core.js", 471);
this.addAttr(name, lazyCfg);
},
/**
* Sets the value of an attribute.
*
* @method set
* @chainable
*
* @param {String} name The name of the attribute. If the
* current value of the attribute is an Object, dot notation can be used
* to set the value of a property within the object (e.g. <code>set("x.y.z", 5)</code>).
*
* @param {Any} value The value to set the attribute to.
*
* @return {Object} A reference to the host object.
*/
set : function(name, val) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "set", 488);
_yuitest_coverline("build/attribute-core/attribute-core.js", 489);
return this._setAttr(name, val);
},
/**
* Allows setting of readOnly/writeOnce attributes. See <a href="#method_set">set</a> for argument details.
*
* @method _set
* @protected
* @chainable
*
* @param {String} name The name of the attribute.
* @param {Any} val The value to set the attribute to.
* @return {Object} A reference to the host object.
*/
_set : function(name, val) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_set", 503);
_yuitest_coverline("build/attribute-core/attribute-core.js", 504);
return this._setAttr(name, val, null, true);
},
/**
* Provides the common implementation for the public set and protected _set methods.
*
* See <a href="#method_set">set</a> for argument details.
*
* @method _setAttr
* @protected
* @chainable
*
* @param {String} name The name of the attribute.
* @param {Any} value The value to set the attribute to.
* @param {Object} opts (Optional) Optional event data to be mixed into
* the event facade passed to subscribers of the attribute's change event.
* This is currently a hack. There's no real need for the AttributeCore implementation
* to support this parameter, but breaking it out into AttributeEvents, results in
* additional function hops for the critical path.
* @param {boolean} force If true, allows the caller to set values for
* readOnly or writeOnce attributes which have already been set.
*
* @return {Object} A reference to the host object.
*/
_setAttr : function(name, val, opts, force) {
// HACK - no real reason core needs to know about opts, but
// it adds fn hops if we want to break it out.
// Not sure it's worth it for this critical path
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttr", 528);
_yuitest_coverline("build/attribute-core/attribute-core.js", 534);
var allowSet = true,
state = this._state,
stateProxy = this._stateProxy,
cfg,
initialSet,
strPath,
path,
currVal,
writeOnce,
initializing;
_yuitest_coverline("build/attribute-core/attribute-core.js", 545);
if (name.indexOf(DOT) !== -1) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 546);
strPath = name;
_yuitest_coverline("build/attribute-core/attribute-core.js", 547);
path = name.split(DOT);
_yuitest_coverline("build/attribute-core/attribute-core.js", 548);
name = path.shift();
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 551);
if (this._isLazyAttr(name)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 552);
this._addLazyAttr(name);
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 555);
cfg = state.getAll(name, true) || {};
_yuitest_coverline("build/attribute-core/attribute-core.js", 557);
initialSet = (!(VALUE in cfg));
_yuitest_coverline("build/attribute-core/attribute-core.js", 559);
if (stateProxy && name in stateProxy && !cfg._bypassProxy) {
// TODO: Value is always set for proxy. Can we do any better? Maybe take a snapshot as the initial value for the first call to set?
_yuitest_coverline("build/attribute-core/attribute-core.js", 561);
initialSet = false;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 564);
writeOnce = cfg.writeOnce;
_yuitest_coverline("build/attribute-core/attribute-core.js", 565);
initializing = cfg.initializing;
_yuitest_coverline("build/attribute-core/attribute-core.js", 567);
if (!initialSet && !force) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 569);
if (writeOnce) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 570);
allowSet = false;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 573);
if (cfg.readOnly) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 574);
allowSet = false;
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 578);
if (!initializing && !force && writeOnce === INIT_ONLY) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 579);
allowSet = false;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 582);
if (allowSet) {
// Don't need currVal if initialSet (might fail in custom getter if it always expects a non-undefined/non-null value)
_yuitest_coverline("build/attribute-core/attribute-core.js", 584);
if (!initialSet) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 585);
currVal = this.get(name);
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 588);
if (path) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 589);
val = O.setValue(Y.clone(currVal), path, val);
_yuitest_coverline("build/attribute-core/attribute-core.js", 591);
if (val === undefined) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 592);
allowSet = false;
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 596);
if (allowSet) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 597);
if (!this._fireAttrChange || initializing) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 598);
this._setAttrVal(name, strPath, currVal, val);
} else {
// HACK - no real reason core needs to know about _fireAttrChange, but
// it adds fn hops if we want to break it out. Not sure it's worth it for this critical path
_yuitest_coverline("build/attribute-core/attribute-core.js", 602);
this._fireAttrChange(name, strPath, currVal, val, opts);
}
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 607);
return this;
},
/**
* Provides the common implementation for the public get method,
* allowing Attribute hosts to over-ride either method.
*
* See <a href="#method_get">get</a> for argument details.
*
* @method _getAttr
* @protected
* @chainable
*
* @param {String} name The name of the attribute.
* @return {Any} The value of the attribute.
*/
_getAttr : function(name) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttr", 623);
_yuitest_coverline("build/attribute-core/attribute-core.js", 624);
var host = this, // help compression
fullName = name,
state = host._state,
path,
getter,
val,
cfg;
_yuitest_coverline("build/attribute-core/attribute-core.js", 632);
if (name.indexOf(DOT) !== -1) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 633);
path = name.split(DOT);
_yuitest_coverline("build/attribute-core/attribute-core.js", 634);
name = path.shift();
}
// On Demand - Should be rare - handles out of order valueFn references
_yuitest_coverline("build/attribute-core/attribute-core.js", 638);
if (host._tCfgs && host._tCfgs[name]) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 639);
cfg = {};
_yuitest_coverline("build/attribute-core/attribute-core.js", 640);
cfg[name] = host._tCfgs[name];
_yuitest_coverline("build/attribute-core/attribute-core.js", 641);
delete host._tCfgs[name];
_yuitest_coverline("build/attribute-core/attribute-core.js", 642);
host._addAttrs(cfg, host._tVals);
}
// Lazy Init
_yuitest_coverline("build/attribute-core/attribute-core.js", 646);
if (host._isLazyAttr(name)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 647);
host._addLazyAttr(name);
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 650);
val = host._getStateVal(name);
_yuitest_coverline("build/attribute-core/attribute-core.js", 652);
getter = state.get(name, GETTER);
_yuitest_coverline("build/attribute-core/attribute-core.js", 654);
if (getter && !getter.call) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 655);
getter = this[getter];
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 658);
val = (getter) ? getter.call(host, val, fullName) : val;
_yuitest_coverline("build/attribute-core/attribute-core.js", 659);
val = (path) ? O.getValue(val, path) : val;
_yuitest_coverline("build/attribute-core/attribute-core.js", 661);
return val;
},
/**
* Gets the stored value for the attribute, from either the
* internal state object, or the state proxy if it exits
*
* @method _getStateVal
* @private
* @param {String} name The name of the attribute
* @return {Any} The stored value of the attribute
*/
_getStateVal : function(name) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getStateVal", 673);
_yuitest_coverline("build/attribute-core/attribute-core.js", 674);
var stateProxy = this._stateProxy;
_yuitest_coverline("build/attribute-core/attribute-core.js", 675);
return stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY) ? stateProxy[name] : this._state.get(name, VALUE);
},
/**
* Sets the stored value for the attribute, in either the
* internal state object, or the state proxy if it exits
*
* @method _setStateVal
* @private
* @param {String} name The name of the attribute
* @param {Any} value The value of the attribute
*/
_setStateVal : function(name, value) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setStateVal", 687);
_yuitest_coverline("build/attribute-core/attribute-core.js", 688);
var stateProxy = this._stateProxy;
_yuitest_coverline("build/attribute-core/attribute-core.js", 689);
if (stateProxy && (name in stateProxy) && !this._state.get(name, BYPASS_PROXY)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 690);
stateProxy[name] = value;
} else {
_yuitest_coverline("build/attribute-core/attribute-core.js", 692);
this._state.add(name, VALUE, value);
}
},
/**
* Updates the stored value of the attribute in the privately held State object,
* if validation and setter passes.
*
* @method _setAttrVal
* @private
* @param {String} attrName The attribute name.
* @param {String} subAttrName The sub-attribute name, if setting a sub-attribute property ("x.y.z").
* @param {Any} prevVal The currently stored value of the attribute.
* @param {Any} newVal The value which is going to be stored.
*
* @return {booolean} true if the new attribute value was stored, false if not.
*/
_setAttrVal : function(attrName, subAttrName, prevVal, newVal) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttrVal", 709);
_yuitest_coverline("build/attribute-core/attribute-core.js", 711);
var host = this,
allowSet = true,
cfg = this._state.getAll(attrName, true) || {},
validator = cfg.validator,
setter = cfg.setter,
initializing = cfg.initializing,
prevRawVal = this._getStateVal(attrName),
name = subAttrName || attrName,
retVal,
valid;
_yuitest_coverline("build/attribute-core/attribute-core.js", 722);
if (validator) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 723);
if (!validator.call) {
// Assume string - trying to keep critical path tight, so avoiding Lang check
_yuitest_coverline("build/attribute-core/attribute-core.js", 725);
validator = this[validator];
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 727);
if (validator) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 728);
valid = validator.call(host, newVal, name);
_yuitest_coverline("build/attribute-core/attribute-core.js", 730);
if (!valid && initializing) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 731);
newVal = cfg.defaultValue;
_yuitest_coverline("build/attribute-core/attribute-core.js", 732);
valid = true; // Assume it's valid, for perf.
}
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 737);
if (!validator || valid) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 738);
if (setter) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 739);
if (!setter.call) {
// Assume string - trying to keep critical path tight, so avoiding Lang check
_yuitest_coverline("build/attribute-core/attribute-core.js", 741);
setter = this[setter];
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 743);
if (setter) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 744);
retVal = setter.call(host, newVal, name);
_yuitest_coverline("build/attribute-core/attribute-core.js", 746);
if (retVal === INVALID_VALUE) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 747);
allowSet = false;
} else {_yuitest_coverline("build/attribute-core/attribute-core.js", 748);
if (retVal !== undefined){
_yuitest_coverline("build/attribute-core/attribute-core.js", 749);
newVal = retVal;
}}
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 754);
if (allowSet) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 755);
if(!subAttrName && (newVal === prevRawVal) && !Lang.isObject(newVal)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 756);
allowSet = false;
} else {
// Store value
_yuitest_coverline("build/attribute-core/attribute-core.js", 759);
if (!(INIT_VALUE in cfg)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 760);
cfg.initValue = newVal;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 762);
host._setStateVal(attrName, newVal);
}
}
} else {
_yuitest_coverline("build/attribute-core/attribute-core.js", 767);
allowSet = false;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 770);
return allowSet;
},
/**
* Sets multiple attribute values.
*
* @method setAttrs
* @param {Object} attrs An object with attributes name/value pairs.
* @return {Object} A reference to the host object.
* @chainable
*/
setAttrs : function(attrs) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "setAttrs", 781);
_yuitest_coverline("build/attribute-core/attribute-core.js", 782);
return this._setAttrs(attrs);
},
/**
* Implementation behind the public setAttrs method, to set multiple attribute values.
*
* @method _setAttrs
* @protected
* @param {Object} attrs An object with attributes name/value pairs.
* @return {Object} A reference to the host object.
* @chainable
*/
_setAttrs : function(attrs) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_setAttrs", 794);
_yuitest_coverline("build/attribute-core/attribute-core.js", 795);
var attr;
_yuitest_coverline("build/attribute-core/attribute-core.js", 796);
for (attr in attrs) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 797);
if ( attrs.hasOwnProperty(attr) ) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 798);
this.set(attr, attrs[attr]);
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 801);
return this;
},
/**
* Gets multiple attribute values.
*
* @method getAttrs
* @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are
* returned. If set to true, all attributes modified from their initial values are returned.
* @return {Object} An object with attribute name/value pairs.
*/
getAttrs : function(attrs) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "getAttrs", 812);
_yuitest_coverline("build/attribute-core/attribute-core.js", 813);
return this._getAttrs(attrs);
},
/**
* Implementation behind the public getAttrs method, to get multiple attribute values.
*
* @method _getAttrs
* @protected
* @param {Array | boolean} attrs Optional. An array of attribute names. If omitted, all attribute values are
* returned. If set to true, all attributes modified from their initial values are returned.
* @return {Object} An object with attribute name/value pairs.
*/
_getAttrs : function(attrs) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttrs", 825);
_yuitest_coverline("build/attribute-core/attribute-core.js", 826);
var obj = {},
attr, i, len,
modifiedOnly = (attrs === true);
// TODO - figure out how to get all "added"
_yuitest_coverline("build/attribute-core/attribute-core.js", 831);
if (!attrs || modifiedOnly) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 832);
attrs = O.keys(this._state.data);
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 835);
for (i = 0, len = attrs.length; i < len; i++) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 836);
attr = attrs[i];
_yuitest_coverline("build/attribute-core/attribute-core.js", 838);
if (!modifiedOnly || this._getStateVal(attr) != this._state.get(attr, INIT_VALUE)) {
// Go through get, to honor cloning/normalization
_yuitest_coverline("build/attribute-core/attribute-core.js", 840);
obj[attr] = this.get(attr);
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 844);
return obj;
},
/**
* Configures a group of attributes, and sets initial values.
*
* <p>
* <strong>NOTE:</strong> This method does not isolate the configuration object by merging/cloning.
* The caller is responsible for merging/cloning the configuration object if required.
* </p>
*
* @method addAttrs
* @chainable
*
* @param {Object} cfgs An object with attribute name/configuration pairs.
* @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.
* Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.
* @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.
* Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.
* See <a href="#method_addAttr">addAttr</a>.
*
* @return {Object} A reference to the host object.
*/
addAttrs : function(cfgs, values, lazy) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "addAttrs", 867);
_yuitest_coverline("build/attribute-core/attribute-core.js", 868);
var host = this; // help compression
_yuitest_coverline("build/attribute-core/attribute-core.js", 869);
if (cfgs) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 870);
host._tCfgs = cfgs;
_yuitest_coverline("build/attribute-core/attribute-core.js", 871);
host._tVals = host._normAttrVals(values);
_yuitest_coverline("build/attribute-core/attribute-core.js", 872);
host._addAttrs(cfgs, host._tVals, lazy);
_yuitest_coverline("build/attribute-core/attribute-core.js", 873);
host._tCfgs = host._tVals = null;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 876);
return host;
},
/**
* Implementation behind the public addAttrs method.
*
* This method is invoked directly by get if it encounters a scenario
* in which an attribute's valueFn attempts to obtain the
* value an attribute in the same group of attributes, which has not yet
* been added (on demand initialization).
*
* @method _addAttrs
* @private
* @param {Object} cfgs An object with attribute name/configuration pairs.
* @param {Object} values An object with attribute name/value pairs, defining the initial values to apply.
* Values defined in the cfgs argument will be over-written by values in this argument unless defined as read only.
* @param {boolean} lazy Whether or not to delay the intialization of these attributes until the first call to get/set.
* Individual attributes can over-ride this behavior by defining a lazyAdd configuration property in their configuration.
* See <a href="#method_addAttr">addAttr</a>.
*/
_addAttrs : function(cfgs, values, lazy) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_addAttrs", 896);
_yuitest_coverline("build/attribute-core/attribute-core.js", 897);
var host = this, // help compression
attr,
attrCfg,
value;
_yuitest_coverline("build/attribute-core/attribute-core.js", 902);
for (attr in cfgs) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 903);
if (cfgs.hasOwnProperty(attr)) {
// Not Merging. Caller is responsible for isolating configs
_yuitest_coverline("build/attribute-core/attribute-core.js", 906);
attrCfg = cfgs[attr];
_yuitest_coverline("build/attribute-core/attribute-core.js", 907);
attrCfg.defaultValue = attrCfg.value;
// Handle simple, complex and user values, accounting for read-only
_yuitest_coverline("build/attribute-core/attribute-core.js", 910);
value = host._getAttrInitVal(attr, attrCfg, host._tVals);
_yuitest_coverline("build/attribute-core/attribute-core.js", 912);
if (value !== undefined) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 913);
attrCfg.value = value;
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 916);
if (host._tCfgs[attr]) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 917);
delete host._tCfgs[attr];
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 920);
host.addAttr(attr, attrCfg, lazy);
}
}
},
/**
* Utility method to protect an attribute configuration
* hash, by merging the entire object and the individual
* attr config objects.
*
* @method _protectAttrs
* @protected
* @param {Object} attrs A hash of attribute to configuration object pairs.
* @return {Object} A protected version of the attrs argument.
*/
_protectAttrs : function(attrs) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_protectAttrs", 935);
_yuitest_coverline("build/attribute-core/attribute-core.js", 936);
if (attrs) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 937);
attrs = Y.merge(attrs);
_yuitest_coverline("build/attribute-core/attribute-core.js", 938);
for (var attr in attrs) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 939);
if (attrs.hasOwnProperty(attr)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 940);
attrs[attr] = Y.merge(attrs[attr]);
}
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 944);
return attrs;
},
/**
* Utility method to normalize attribute values. The base implementation
* simply merges the hash to protect the original.
*
* @method _normAttrVals
* @param {Object} valueHash An object with attribute name/value pairs
*
* @return {Object}
*
* @private
*/
_normAttrVals : function(valueHash) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_normAttrVals", 958);
_yuitest_coverline("build/attribute-core/attribute-core.js", 959);
return (valueHash) ? Y.merge(valueHash) : null;
},
/**
* Returns the initial value of the given attribute from
* either the default configuration provided, or the
* over-ridden value if it exists in the set of initValues
* provided and the attribute is not read-only.
*
* @param {String} attr The name of the attribute
* @param {Object} cfg The attribute configuration object
* @param {Object} initValues The object with simple and complex attribute name/value pairs returned from _normAttrVals
*
* @return {Any} The initial value of the attribute.
*
* @method _getAttrInitVal
* @private
*/
_getAttrInitVal : function(attr, cfg, initValues) {
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_getAttrInitVal", 977);
_yuitest_coverline("build/attribute-core/attribute-core.js", 978);
var val, valFn;
// init value is provided by the user if it exists, else, provided by the config
_yuitest_coverline("build/attribute-core/attribute-core.js", 980);
if (!cfg.readOnly && initValues && initValues.hasOwnProperty(attr)) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 981);
val = initValues[attr];
} else {
_yuitest_coverline("build/attribute-core/attribute-core.js", 983);
val = cfg.value;
_yuitest_coverline("build/attribute-core/attribute-core.js", 984);
valFn = cfg.valueFn;
_yuitest_coverline("build/attribute-core/attribute-core.js", 986);
if (valFn) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 987);
if (!valFn.call) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 988);
valFn = this[valFn];
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 990);
if (valFn) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 991);
val = valFn.call(this, attr);
}
}
}
_yuitest_coverline("build/attribute-core/attribute-core.js", 997);
return val;
},
/**
* Utility method to set up initial attributes defined during construction, either through the constructor.ATTRS property, or explicitly passed in.
*
* @method _initAttrs
* @protected
* @param attrs {Object} The attributes to add during construction (passed through to <a href="#method_addAttrs">addAttrs</a>). These can also be defined on the constructor being augmented with Attribute by defining the ATTRS property on the constructor.
* @param values {Object} The initial attribute values to apply (passed through to <a href="#method_addAttrs">addAttrs</a>). These are not merged/cloned. The caller is responsible for isolating user provided values if required.
* @param lazy {boolean} Whether or not to add attributes lazily (passed through to <a href="#method_addAttrs">addAttrs</a>).
*/
_initAttrs : function(attrs, values, lazy) {
// ATTRS support for Node, which is not Base based
_yuitest_coverfunc("build/attribute-core/attribute-core.js", "_initAttrs", 1009);
_yuitest_coverline("build/attribute-core/attribute-core.js", 1011);
attrs = attrs || this.constructor.ATTRS;
_yuitest_coverline("build/attribute-core/attribute-core.js", 1013);
var Base = Y.Base,
BaseCore = Y.BaseCore,
baseInst = (Base && Y.instanceOf(this, Base)),
baseCoreInst = (!baseInst && BaseCore && Y.instanceOf(this, BaseCore));
_yuitest_coverline("build/attribute-core/attribute-core.js", 1018);
if ( attrs && !baseInst && !baseCoreInst) {
_yuitest_coverline("build/attribute-core/attribute-core.js", 1019);
this.addAttrs(this._protectAttrs(attrs), values, lazy);
}
}
};
_yuitest_coverline("build/attribute-core/attribute-core.js", 1024);
Y.AttributeCore = AttributeCore;
}, '3.7.2', {"requires": ["oop"]});