/** * This is the base class for an exporter plugin. It is extended by the exporter plugins * for grid panel and pivot grid. * * This could be used to create a plugin that allows a component to export tabular data. * * @private */Ext.define('Ext.exporter.Plugin', { extend: 'Ext.plugin.Abstract', alias: [ 'plugin.exporterplugin' ], requires: [ 'Ext.exporter.data.Table', 'Ext.exporter.Excel' ], /** * @event beforedocumentsave * Fires on the component before a document is exported and saved. * @param {Ext.Component} component Reference to the component that uses this plugin * @param {Object} params Additional parameters sent with this event * @param {Object} params.config The config object used in the {@link #saveDocumentAs} method * @param {Ext.exporter.Base} params.exporter A reference to the exporter object used to save the document */ /** * @event documentsave * Fires on the component whenever a document is exported and saved. * @param {Ext.Component} component Reference to the component that uses this plugin * @param {Object} params Additional parameters sent with this event * @param {Object} params.config The config object used in the {@link #saveDocumentAs} method * @param {Ext.exporter.Base} params.exporter A reference to the exporter object used to save the document */ /** * @event dataready * Fires on the component when the {@link Ext.exporter.data.Table data} is ready. * You could adjust styles or data before the document is generated and saved. * @param {Ext.Component} component Reference to the component that uses this plugin * @param {Object} params Additional parameters sent with this event * @param {Object} params.config The config object used in the {@link #saveDocumentAs} method * @param {Ext.exporter.Base} params.exporter A reference to the exporter object used to save the document */ /** * Plugin initialization * * @param cmp * @return {Ext.exporter.Plugin} * @private */ init: function (cmp) { var me = this; cmp.saveDocumentAs = Ext.bind(me.saveDocumentAs, me); cmp.getDocumentData = Ext.bind(me.getDocumentData, me); me.cmp = cmp; return me.callParent([cmp]); }, destroy: function(){ var me = this; if (this.delayedSaveTimer) { clearTimeout(this.delayedSaveTimer); } me.cmp.saveDocumentAs = me.cmp.getDocumentData = me.cmp = null; me.callParent(); }, /** * Save the export file. This method is added to the component as "saveDocumentAs". * * Pass in exporter specific configs to the config parameter. * * @param {Ext.exporter.Base} config Config object used to initialize the proper exporter * @param {String} config.type Type of the exporter as defined in the exporter alias. Default is `excel`. * @param {String} [config.title] Title added to the export document * @param {String} [config.author] Who exported the document? * @param {String} [config.fileName] Name of the exported file, including the extension * @param {String} [config.charset] Exported file's charset * * @return {Ext.promise.Promise} * */ saveDocumentAs: function(config){ var cmp = this.cmp, deferred = new Ext.Deferred(), exporter = this.getExporter(config); cmp.fireEvent('beforedocumentsave', cmp, { config: config, exporter: exporter }); this.delayedSaveTimer = Ext.asap(this.delayedSave, this, [exporter, config, deferred]); return deferred.promise; }, /** * Delayed function that exports the document * * @param exporter * @param config * @param deferred * * @private */ delayedSave: function(exporter, config, deferred){ var cmp = this.cmp; // the plugin might be disabled or the component is already destroyed if(this.disabled || !cmp){ Ext.destroy(exporter); deferred.reject(); return; } this.setExporterData(exporter, config); exporter.saveAs().then( function(){ deferred.resolve(config); }, function(msg){ deferred.reject(msg); } ).always(function(){ if(cmp && !cmp.destroyed) { cmp.fireEvent('documentsave', cmp, { config: config, exporter: exporter }); } Ext.destroy(exporter); }); }, /** * Fetch the export data. This method is added to the component as "getDocumentData". * * Pass in exporter specific configs to the config parameter. * * @param {Ext.exporter.Base} config Config object used to initialize the proper exporter * @param {String} [config.type] Type of the exporter as defined in the exporter alias. Default is `excel`. * @param {String} [config.title] Title added to the export document * @param {String} [config.author] Who exported the document? * @return {String} * */ getDocumentData: function(config){ var exporter, ret; if(this.disabled){ return; } exporter = this.getExporter(config); this.setExporterData(exporter, config); ret = exporter.getContent(); Ext.destroy(exporter); return ret; }, /** * Builds the exporter object and returns it. * * @param {Object} config * @return {Ext.exporter.Base} * * @private */ getExporter: function(config){ var cfg = Ext.apply({ type: 'excel' }, config); return Ext.Factory.exporter(cfg); }, /** * * @param exporter * @param config * @private */ setExporterData: function(exporter, config){ var cmp = this.cmp; exporter.setData(this.prepareData(config)); cmp.fireEvent('dataready', cmp, { config: config, exporter: exporter }); }, /** * * @param {Object/Array} style * @param {Object} config Configuration passed to saveDocumentAs and getDocumentData methods * @return {Object} */ getExportStyle: function(style, config){ var type = (config && config.type), types, def, index; if(Ext.isArray(style)) { types = Ext.Array.pluck(style, 'type'); index = Ext.Array.indexOf(types, undefined); if (index >= 0) { // we found a default style which means that all others are exceptions def = style[index]; } index = Ext.Array.indexOf(types, type); return index >= 0 ? style[index] : def; }else{ return style; } }, /** * This method creates the data object that will be consumed by the exporter. * @param {Object} config The config object passed to the getDocumentData and saveDocumentAs methods * @return {Ext.exporter.data.Table} * * @private */ prepareData: Ext.emptyFn });