mirror of
https://github.com/hyperion-project/hyperion.ng.git
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7dfb9f1967
* initial commit of webconfig * update example config with webconfig and fix format of file update debian postinst script for install example config
595 lines
18 KiB
JavaScript
595 lines
18 KiB
JavaScript
//
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// ____ _ _
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// / ___|| |_ __ _ _ __ ___ ___ (_)___ (*)
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// \___ \| __/ _` | '_ \ / _ \/ __| | / __|
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// ___) | || (_| | |_) | __/\__ \_ | \__ \
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// |____/ \__\__,_| .__/ \___||___(_)/ |___/
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// |_| |__/
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//
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// (*) a (really) tiny Javascript MVC microframework
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//
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// (c) Hay Kranen < hay@bykr.org >
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// Released under the terms of the MIT license
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// < http://en.wikipedia.org/wiki/MIT_License >
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//
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// Stapes.js : http://hay.github.com/stapes
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(function() {
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'use strict';
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var VERSION = "0.8.0";
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// Global counter for all events in all modules (including mixed in objects)
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var guid = 1;
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// Makes _.create() faster
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if (!Object.create) {
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var CachedFunction = function(){};
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}
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// So we can use slice.call for arguments later on
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var slice = Array.prototype.slice;
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// Private attributes and helper functions, stored in an object so they
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// are overwritable by plugins
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var _ = {
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// Properties
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attributes : {},
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eventHandlers : {
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"-1" : {} // '-1' is used for the global event handling
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},
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guid : -1,
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// Methods
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addEvent : function(event) {
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// If we don't have any handlers for this type of event, add a new
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// array we can use to push new handlers
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if (!_.eventHandlers[event.guid][event.type]) {
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_.eventHandlers[event.guid][event.type] = [];
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}
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// Push an event object
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_.eventHandlers[event.guid][event.type].push({
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"guid" : event.guid,
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"handler" : event.handler,
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"scope" : event.scope,
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"type" : event.type
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});
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},
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addEventHandler : function(argTypeOrMap, argHandlerOrScope, argScope) {
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var eventMap = {},
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scope;
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if (typeof argTypeOrMap === "string") {
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scope = argScope || false;
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eventMap[ argTypeOrMap ] = argHandlerOrScope;
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} else {
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scope = argHandlerOrScope || false;
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eventMap = argTypeOrMap;
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}
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for (var eventString in eventMap) {
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var handler = eventMap[eventString];
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var events = eventString.split(" ");
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for (var i = 0, l = events.length; i < l; i++) {
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var eventType = events[i];
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_.addEvent.call(this, {
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"guid" : this._guid || this._.guid,
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"handler" : handler,
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"scope" : scope,
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"type" : eventType
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});
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}
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}
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},
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addGuid : function(object, forceGuid) {
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if (object._guid && !forceGuid) return;
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object._guid = guid++;
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_.attributes[object._guid] = {};
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_.eventHandlers[object._guid] = {};
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},
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// This is a really small utility function to save typing and produce
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// better optimized code
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attr : function(guid) {
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return _.attributes[guid];
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},
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clone : function(obj) {
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var type = _.typeOf(obj);
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if (type === 'object') {
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return _.extend({}, obj);
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}
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if (type === 'array') {
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return obj.slice(0);
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}
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},
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create : function(proto) {
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if (Object.create) {
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return Object.create(proto);
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} else {
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CachedFunction.prototype = proto;
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return new CachedFunction();
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}
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},
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createSubclass : function(props, includeEvents) {
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props = props || {};
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includeEvents = includeEvents || false;
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var superclass = props.superclass.prototype;
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// Objects always have a constructor, so we need to be sure this is
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// a property instead of something from the prototype
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var realConstructor = props.hasOwnProperty('constructor') ? props.constructor : function(){};
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function constructor() {
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// Be kind to people forgetting new
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if (!(this instanceof constructor)) {
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throw new Error("Please use 'new' when initializing Stapes classes");
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}
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// If this class has events add a GUID as well
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if (this.on) {
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_.addGuid( this, true );
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}
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realConstructor.apply(this, arguments);
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}
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if (includeEvents) {
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_.extend(superclass, Events);
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}
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constructor.prototype = _.create(superclass);
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constructor.prototype.constructor = constructor;
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_.extend(constructor, {
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extend : function() {
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return _.extendThis.apply(this, arguments);
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},
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// We can't call this 'super' because that's a reserved keyword
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// and fails in IE8
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'parent' : superclass,
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proto : function() {
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return _.extendThis.apply(this.prototype, arguments);
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},
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subclass : function(obj) {
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obj = obj || {};
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obj.superclass = this;
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return _.createSubclass(obj);
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}
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});
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// Copy all props given in the definition to the prototype
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for (var key in props) {
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if (key !== 'constructor' && key !== 'superclass') {
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constructor.prototype[key] = props[key];
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}
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}
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return constructor;
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},
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emitEvents : function(type, data, explicitType, explicitGuid) {
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explicitType = explicitType || false;
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explicitGuid = explicitGuid || this._guid;
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// #30: make a local copy of handlers to prevent problems with
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// unbinding the event while unwinding the loop
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var handlers = slice.call(_.eventHandlers[explicitGuid][type]);
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for (var i = 0, l = handlers.length; i < l; i++) {
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// Clone the event to prevent issue #19
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var event = _.extend({}, handlers[i]);
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var scope = (event.scope) ? event.scope : this;
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if (explicitType) {
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event.type = explicitType;
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}
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event.scope = scope;
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event.handler.call(event.scope, data, event);
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}
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},
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// Extend an object with more objects
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extend : function() {
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var args = slice.call(arguments);
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var object = args.shift();
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for (var i = 0, l = args.length; i < l; i++) {
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var props = args[i];
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for (var key in props) {
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object[key] = props[key];
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}
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}
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return object;
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},
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// The same as extend, but uses the this value as the scope
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extendThis : function() {
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var args = slice.call(arguments);
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args.unshift(this);
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return _.extend.apply(this, args);
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},
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// from http://stackoverflow.com/a/2117523/152809
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makeUuid : function() {
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
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return v.toString(16);
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});
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},
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removeAttribute : function(keys, silent) {
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silent = silent || false;
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// Split the key, maybe we want to remove more than one item
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var attributes = _.trim(keys).split(" ");
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// Actually delete the item
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for (var i = 0, l = attributes.length; i < l; i++) {
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var key = _.trim(attributes[i]);
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if (key) {
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delete _.attr(this._guid)[key];
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// If 'silent' is set, do not throw any events
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if (!silent) {
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this.emit('change', key);
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this.emit('change:' + key);
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this.emit('remove', key);
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this.emit('remove:' + key);
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}
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}
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}
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},
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removeEventHandler : function(type, handler) {
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var handlers = _.eventHandlers[this._guid];
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if (type && handler) {
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// Remove a specific handler
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handlers = handlers[type];
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if (!handlers) return;
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for (var i = 0, l = handlers.length, h; i < l; i++) {
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h = handlers[i].handler;
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if (h && h === handler) {
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handlers.splice(i--, 1);
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l--;
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}
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}
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} else if (type) {
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// Remove all handlers for a specific type
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delete handlers[type];
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} else {
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// Remove all handlers for this module
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_.eventHandlers[this._guid] = {};
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}
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},
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setAttribute : function(key, value, silent) {
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silent = silent || false;
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// We need to do this before we actually add the item :)
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var itemExists = this.has(key);
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var oldValue = _.attr(this._guid)[key];
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// Is the value different than the oldValue? If not, ignore this call
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if (value === oldValue) {
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return;
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}
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// Actually add the item to the attributes
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_.attr(this._guid)[key] = value;
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// If 'silent' flag is set, do not throw any events
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if (silent) {
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return;
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}
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// Throw a generic event
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this.emit('change', key);
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// And a namespaced event as well, NOTE that we pass value instead of
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// key here!
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this.emit('change:' + key, value);
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// Throw namespaced and non-namespaced 'mutate' events as well with
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// the old value data as well and some extra metadata such as the key
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var mutateData = {
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"key" : key,
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"newValue" : value,
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"oldValue" : oldValue || null
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};
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this.emit('mutate', mutateData);
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this.emit('mutate:' + key, mutateData);
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// Also throw a specific event for this type of set
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var specificEvent = itemExists ? 'update' : 'create';
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this.emit(specificEvent, key);
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// And a namespaced event as well, NOTE that we pass value instead of key
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this.emit(specificEvent + ':' + key, value);
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},
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trim : function(str) {
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return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
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},
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typeOf : function(val) {
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if (val === null || typeof val === "undefined") {
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// This is a special exception for IE, in other browsers the
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// method below works all the time
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return String(val);
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} else {
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return Object.prototype.toString.call(val).replace(/\[object |\]/g, '').toLowerCase();
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}
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},
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updateAttribute : function(key, fn, silent) {
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var item = this.get(key);
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// In previous versions of Stapes we didn't have the check for object,
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// but still this worked. In 0.7.0 it suddenly doesn't work anymore and
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// we need the check. Why? I have no clue.
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var type = _.typeOf(item);
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if (type === 'object' || type === 'array') {
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item = _.clone(item);
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}
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var newValue = fn.call(this, item, key);
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_.setAttribute.call(this, key, newValue, silent || false);
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}
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};
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// Can be mixed in later using Stapes.mixinEvents(object);
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var Events = {
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emit : function(types, data) {
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data = (typeof data === "undefined") ? null : data;
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var splittedTypes = types.split(" ");
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for (var i = 0, l = splittedTypes.length; i < l; i++) {
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var type = splittedTypes[i];
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// First 'all' type events: is there an 'all' handler in the
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// global stack?
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if (_.eventHandlers[-1].all) {
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_.emitEvents.call(this, "all", data, type, -1);
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}
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// Catch all events for this type?
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if (_.eventHandlers[-1][type]) {
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_.emitEvents.call(this, type, data, type, -1);
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}
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if (typeof this._guid === 'number') {
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// 'all' event for this specific module?
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if (_.eventHandlers[this._guid].all) {
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_.emitEvents.call(this, "all", data, type);
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}
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// Finally, normal events :)
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if (_.eventHandlers[this._guid][type]) {
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_.emitEvents.call(this, type, data);
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}
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}
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}
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},
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off : function() {
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_.removeEventHandler.apply(this, arguments);
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},
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on : function() {
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_.addEventHandler.apply(this, arguments);
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}
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};
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_.Module = function() {
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};
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_.Module.prototype = {
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each : function(fn, ctx) {
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var attr = _.attr(this._guid);
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for (var key in attr) {
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var value = attr[key];
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fn.call(ctx || this, value, key);
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}
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},
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extend : function() {
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return _.extendThis.apply(this, arguments);
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},
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filter : function(fn) {
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var filtered = [];
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var attributes = _.attr(this._guid);
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for (var key in attributes) {
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if ( fn.call(this, attributes[key], key)) {
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filtered.push( attributes[key] );
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}
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}
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return filtered;
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},
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get : function(input) {
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if (typeof input === "string") {
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return this.has(input) ? _.attr(this._guid)[input] : null;
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} else if (typeof input === "function") {
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var items = this.filter(input);
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return (items.length) ? items[0] : null;
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}
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},
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getAll : function() {
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return _.clone( _.attr(this._guid) );
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},
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getAllAsArray : function() {
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var arr = [];
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var attributes = _.attr(this._guid);
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for (var key in attributes) {
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var value = attributes[key];
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if (_.typeOf(value) === "object" && !value.id) {
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value.id = key;
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}
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arr.push(value);
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}
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return arr;
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},
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has : function(key) {
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return (typeof _.attr(this._guid)[key] !== "undefined");
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},
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map : function(fn, ctx) {
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var mapped = [];
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this.each(function(value, key) {
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mapped.push( fn.call(ctx || this, value, key) );
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}, ctx || this);
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return mapped;
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},
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// Akin to set(), but makes a unique id
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push : function(input, silent) {
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if (_.typeOf(input) === "array") {
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for (var i = 0, l = input.length; i < l; i++) {
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_.setAttribute.call(this, _.makeUuid(), input[i], silent || false);
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}
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} else {
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_.setAttribute.call(this, _.makeUuid(), input, silent || false);
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}
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return this;
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},
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remove : function(input, silent) {
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if (typeof input === 'undefined') {
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// With no arguments, remove deletes all attributes
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_.attributes[this._guid] = {};
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this.emit('change remove');
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} else if (typeof input === "function") {
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this.each(function(item, key) {
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if (input(item)) {
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_.removeAttribute.call(this, key, silent);
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}
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});
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} else {
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// nb: checking for exists happens in removeAttribute
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_.removeAttribute.call(this, input, silent || false);
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}
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return this;
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},
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set : function(objOrKey, valueOrSilent, silent) {
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if (typeof objOrKey === "object") {
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for (var key in objOrKey) {
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_.setAttribute.call(this, key, objOrKey[key], valueOrSilent || false);
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}
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} else {
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_.setAttribute.call(this, objOrKey, valueOrSilent, silent || false);
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}
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return this;
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},
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size : function() {
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var size = 0;
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var attr = _.attr(this._guid);
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for (var key in attr) {
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size++;
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}
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return size;
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},
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update : function(keyOrFn, fn, silent) {
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if (typeof keyOrFn === "string") {
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_.updateAttribute.call(this, keyOrFn, fn, silent || false);
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} else if (typeof keyOrFn === "function") {
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this.each(function(value, key) {
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_.updateAttribute.call(this, key, keyOrFn);
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});
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}
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return this;
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}
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};
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var Stapes = {
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"_" : _, // private helper functions and properties
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"extend" : function() {
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return _.extendThis.apply(_.Module.prototype, arguments);
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},
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"mixinEvents" : function(obj) {
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obj = obj || {};
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_.addGuid(obj);
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return _.extend(obj, Events);
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},
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"on" : function() {
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_.addEventHandler.apply(this, arguments);
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},
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"subclass" : function(obj, classOnly) {
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classOnly = classOnly || false;
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obj = obj || {};
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obj.superclass = classOnly ? function(){} : _.Module;
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return _.createSubclass(obj, !classOnly);
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},
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"version" : VERSION
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};
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// This library can be used as an AMD module, a Node.js module, or an
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// old fashioned global
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if (typeof exports !== "undefined") {
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// Server
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if (typeof module !== "undefined" && module.exports) {
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exports = module.exports = Stapes;
|
|
}
|
|
exports.Stapes = Stapes;
|
|
} else if (typeof define === "function" && define.amd) {
|
|
// AMD
|
|
define(function() {
|
|
return Stapes;
|
|
});
|
|
} else {
|
|
// Global scope
|
|
window.Stapes = Stapes;
|
|
}
|
|
})();
|