gerrit.onap Code Review - ccsdk/features.git/blob

   1 /**
   2  * Copyright 2010-2013 Ben Birch
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this software except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 ( function( $, app, joey ) {
  17
  18         var ui = app.ns("ui");
  19
  20         var CELL_SEPARATOR = ",";
  21         var CELL_QUOTE = '"';
  22         var LINE_SEPARATOR = "\r\n";
  23
  24         ui.CSVTable = ui.AbstractWidget.extend({
  25                 defaults: {
  26                         results: null
  27                 },
  28                 _baseCls: "uiCSVTable",
  29                 init: function( parent ) {
  30                         this._super();
  31                         var results = this.config.results.hits.hits;
  32                         var columns = this._parseResults( results );
  33                         this._downloadButton = new ui.Button({
  34                                 label: "Generate Download Link",
  35                                 onclick: this._downloadLinkGenerator_handler
  36                         });
  37                         this._downloadLink = $.joey( { tag: "A", text: "download", });
  38                         this._downloadLink.hide();
  39                         this._csvText = this._csv_template( columns, results );
  40                         this.el = $.joey( this._main_template() );
  41                         this.attach( parent );
  42                 },
  43                 _downloadLinkGenerator_handler: function() {
  44                         var csvData = new Blob( [ this._csvText ], { type: 'text/csv' });
  45                         var csvURL = URL.createObjectURL( csvData );
  46                         this._downloadLink.attr( "href", csvURL );
  47                         this._downloadLink.show();
  48                 },
  49                 _parseResults: function( results ) {
  50                         var columnPaths = {};
  51                         (function parse( path, obj ) {
  52                                 if( obj instanceof Array ) {
  53                                         for( var i = 0; i < obj.length; i++ ) {
  54                                                 parse( path, obj[i] );
  55                                         }
  56                                 } else if( typeof obj === "object" ) {
  57                                         for( var prop in obj ) {
  58                                                 parse( path + "." + prop, obj[ prop ] );
  59                                         }
  60                                 } else {
  61                                         columnPaths[ path ] = true;
  62                                 }
  63                         })( "root", results );
  64                         var columns = [];
  65                         for( var column in columnPaths ) {
  66                                 columns.push( column.split(".").slice(1) );
  67                         }
  68                         return columns;
  69                 },
  70                 _main_template: function() { return (
  71                         { tag: "DIV", cls: this._baseCls, id: this.id(), children: [
  72                                 this._downloadButton,
  73                                 this._downloadLink,
  74                                 { tag: "PRE", text: this._csvText }
  75                         ] }
  76                 ); },
  77                 _csv_template: function( columns, results ) {
  78                         return this._header_template( columns ) + LINE_SEPARATOR + this._results_template( columns, results );
  79                 },
  80                 _header_template: function( columns ) {
  81                         return columns.map( function( column ) {
  82                                 return column.join(".");
  83                         }).join( CELL_SEPARATOR );
  84                 },
  85                 _results_template: function( columns, results ) {
  86                         return results.map( function( result ) {
  87                                 return columns.map( function( column ) {
  88                                         var l = 0,
  89                                                 ptr = result;
  90                                         while( l !== column.length && ptr != null ) {
  91                                                 ptr = ptr[ column[ l++ ] ];
  92                                         }
  93                                         return ( ptr == null ) ? "" : ( CELL_QUOTE + ptr.toString().replace(/"/g, '""') + CELL_QUOTE );
  94                                 }).join( CELL_SEPARATOR );
  95                         }).join( LINE_SEPARATOR );
  96                 }
  97         });
  98
  99 })( this.jQuery, this.app, this.joey );