text: /*
   *  Copyright 2013 Anyware Services
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  
  /**
   * This class is the abstract class for all file sources used in {@link Ametys.form.widget.File} widget.<br>
   * Implement the #getFileType, #getBtnConfig, #getMenuItemConfig and #handler methods in your implementation. 
   * 
   * Do not forgot to register your class in {@link Ametys.form.widget.File} widget as the sample below:
   * 
   * 		Ametys.form.widget.File.registerFileSource ('MyType', MyTypeClass);
   * 
   */
  Ext.define('Ametys.form.widget.File.FileSource', {
  	
  	/**
  	 * Get the file type which belongs to this source
  	 * @return {String} The file type
  	 */
  	getFileType: function ()
  	{
  		throw new Error("The method #getBtnConfig is not implemented in " + this.self.getName());
  	},
  	
  	/**
  	 * Get the button configuration
  	 * @param {Object} config The widget initial configuration
  	 * @param {String} filter The filter name for files
  	 */
  	getBtnConfig: function (config, filter)
  	{
  		throw new Error("The method #getBtnConfig is not implemented in " + this.self.getName());
  	},
  	
  	/**
  	 * Get the menu item configuration
  	 * @param {Object} config The widget initial configuration
  	 * @param {String} filter The filter name for files
  	 */
  	getMenuItemConfig: function (config, filter)
  	{
  		throw new Error("The method #getMenuItemConfig is not implemented in " + this.self.getName());
  	},
  	
  	/**
  	 * Function called when button or menu item is pressed.
  	 * @param {Object} config The widget initial configuration
  	 * @param {String} filter The filter name for files. Can be null to allow all files or to use file extensions instead
       * @param {String[]} allowedExtensions The allowed file extensions. Can be null to allowed all extensions or use filter instead
  	 * @param {Function} callback The callback function. Has the following parameters:
  	 * @param {String} callback.id The file id.
       * @param {String} callback.fileName The file name.
       * @param {Number} callback.fileSize The file size in bytes.
       * @param {Number} callback.viewHref A URL to view the file.
       * @param {Number} callback.downloadHref A URL to download the file.
  	 */
  	handler: function (config, filter, allowedExtensions, callback)
      {
  		throw new Error("The method #handler is not implemented in " + this.self.getName());
      }
  });
  
  