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<pre class="prettyprint lang-js"><span id='Ext-PluginManager'>/**
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</span> * Provides a registry of available Plugin classes indexed by a mnemonic code known as the Plugin's ptype.
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*
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* A plugin may be specified simply as a *config object* as long as the correct `ptype` is specified:
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*
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* {
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* ptype: 'gridviewdragdrop',
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* dragText: 'Drag and drop to reorganize'
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* }
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*
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* Or just use the ptype on its own:
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*
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* 'gridviewdragdrop'
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*
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* Alternatively you can instantiate the plugin with Ext.create:
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*
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* Ext.create('Ext.grid.plugin.DragDrop', {
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* dragText: 'Drag and drop to reorganize'
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* })
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*/
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Ext.define('Ext.PluginManager', {
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extend: 'Ext.AbstractManager',
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alternateClassName: 'Ext.PluginMgr',
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singleton: true,
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<span id='Ext-PluginManager-property-typeName'> typeName: 'ptype',
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</span>
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<span id='Ext-PluginManager-method-create'> /**
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</span> * Creates a new Plugin from the specified config object using the config object's ptype to determine the class to
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* instantiate.
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* @param {Object} config A configuration object for the Plugin you wish to create.
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* @param {Function} defaultType (optional) The constructor to provide the default Plugin type if the config object does not
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* contain a `ptype`. (Optional if the config contains a `ptype`).
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* @return {Ext.Component} The newly instantiated Plugin.
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*/
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create : function(config, defaultType, host) {
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var result;
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if (config.init) {
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result = config;
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} else {
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// Inject the host into the config is we know the host
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if (host) {
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config = Ext.apply({}, config); // copy since we are going to modify
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config.cmp = host;
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}
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// Grab the host ref if it was configured in
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else {
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host = config.cmp;
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}
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if (config.xclass) {
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result = Ext.create(config);
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} else {
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// Lookup the class from the ptype and instantiate unless its a singleton
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result = Ext.ClassManager.getByAlias(('plugin.' + (config.ptype || defaultType)));
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if (typeof result === 'function') {
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result = new result(config);
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}
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}
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}
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// If we come out with a non-null plugin, ensure that any setCmp is called once.
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if (result && host && result.setCmp && !result.setCmpCalled) {
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result.setCmp(host);
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result.setCmpCalled = true;
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}
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return result;
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},
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<span id='Ext-PluginManager-method-findByType'> /**
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</span> * Returns all plugins registered with the given type. Here, 'type' refers to the type of plugin, not its ptype.
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* @param {String} type The type to search for
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* @param {Boolean} defaultsOnly True to only return plugins of this type where the plugin's isDefault property is
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* truthy
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* @return {Ext.AbstractPlugin[]} All matching plugins
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*/
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findByType: function(type, defaultsOnly) {
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var matches = [],
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types = this.types,
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name,
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item;
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for (name in types) {
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if (!types.hasOwnProperty(name)) {
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continue;
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}
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item = types[name];
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if (item.type == type && (!defaultsOnly || (defaultsOnly === true && item.isDefault))) {
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matches.push(item);
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}
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}
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return matches;
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}
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}, function() {
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<span id='Ext-method-preg'> /**
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</span> * Shorthand for {@link Ext.PluginManager#registerType}
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* @param {String} ptype The ptype mnemonic string by which the Plugin class
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* may be looked up.
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* @param {Function} cls The new Plugin class.
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* @member Ext
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* @method preg
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*/
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Ext.preg = function() {
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return Ext.PluginManager.registerType.apply(Ext.PluginManager, arguments);
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};
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});
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