/*
 *  Copyright 2015 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 controls a ribbon controller that is able to test if test target
 * (which should be a target) is modifiable.
 * @private
 */
Ext.define('Ametys.plugins.web.page.controller.PasteModifiablePageController', {
	extend: 'Ametys.web.controller.WebButtonController',

	/**
	 * @cfg {Boolean} [enabled-on-modifiable-only=true] If true the controller will be disabled the selection is not modifiable
	 */
	/**
	 * @cfg {String} no-modifiable-description The description text used for tooltip when the selection is not modifiable
	 */
	constructor: function()
	{
		this.callParent(arguments);
		
		Ametys.message.MessageBus.on(Ametys.message.Message.MODIFIED, this._onModified, this);
	},
	
	/**
	 * @private
	 * Listener for modified message
	 * Will update state of the button if the target if the clipboard and it has a page to copy in its data
	 * @param {Ametys.message.Message} message The modified message 
	 */
	_onModified: function (message)
	{
		var clipboardTarget = message.getTarget(Ametys.message.MessageTarget.CLIPBOARD);
		if (clipboardTarget != null)
		{
			this.refresh(true);
		}
	},
	
	updateState: function()
	{
		var clipboardData = Ametys.clipboard.Clipboard.getData();
		if (clipboardData.length > 0 && Ametys.clipboard.Clipboard.getType() == Ametys.message.MessageTarget.PAGE) 
		{
			var pageTitle = clipboardData[0].getTitle();

			if (this.getInitialConfig('no-cross-sitemaps-content-copy') === "true")
			{
				var targetLang = this._getTargetLanguage();
				if (targetLang != null && clipboardData[0].getLang() !== targetLang)
				{
					this.setAdditionalDescription(Ext.String.format(this.getInitialConfig('no-cross-sitemaps-content-description'), pageTitle, clipboardData[0].getLang(), targetLang));
					this.disable();
					return;
				}
			}

			this.setAdditionalDescription(this.getInitialConfig('copy-page-description') + "'" + pageTitle + "'");
			this.enable();
		}
		else
		{
			this.setAdditionalDescription(this.getInitialConfig('no-copied-page-description'));
			this.disable();
		}
	},
    
    /**
     * @private
     * Get the language of current target
     * @return {String} the target language
     */
    _getTargetLanguage: function ()
    {
        var message = Ametys.message.MessageBus.getCurrentSelectionMessage();
        
        var target = message.getTarget(Ametys.message.MessageTarget.PAGE);
        if (target != null)
        {
            return target.getParameters().lang;
        }
        
        target = message.getTarget(Ametys.message.MessageTarget.SITEMAP);
        if (target != null)
        {
            return target.getParameters().name;
        }       
        
        return null;
    }
});