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https://github.com/Mottie/tablesorter.git
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321 lines
12 KiB
JavaScript
321 lines
12 KiB
JavaScript
/* Output widget (beta) for TableSorter 7/17/2014 (v2.17.5)
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* Requires tablesorter v2.8+ and jQuery 1.7+
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* Modified from:
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* HTML Table to CSV: http://www.kunalbabre.com/projects/table2CSV.php (License unknown?)
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* Download-File-JS: https://github.com/PixelsCommander/Download-File-JS (http://www.apache.org/licenses/LICENSE-2.0)
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*/
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/*jshint browser:true, jquery:true, unused:false */
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/*global jQuery: false */
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;(function($){
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"use strict";
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var ts = $.tablesorter,
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output = ts.output = {
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event : 'outputTable',
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// wrap line breaks & tabs in quotes
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regexQuote : /([\n\t]|<[^<]+>)/, // test
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regexBR : /(<br([\s\/])?>|\n)/g, // replace
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regexIMG : /<img[^>]+alt\s*=\s*['"]([^'"]+)['"][^>]*>/i, // match
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regexHTML : /<[^<]+>/g, // replace
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replaceCR : '\\n',
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replaceTab : '\\t',
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popupTitle : 'Output',
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popupStyle : 'width:100%;height:100%;', // for textarea
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message : 'Your device does not support downloading. Please try again in desktop browser.',
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init : function(c) {
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c.$table
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.off(output.event)
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.on(output.event, function(){
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// explicitly use table.config.widgetOptions because we want
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// the most up-to-date values; not the "wo" from initialization
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output.process(c, c.widgetOptions);
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});
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},
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processRow: function(c, $rows, isHeader, isJSON) {
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var $this, row, col, rowlen, collen, txt,
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wo = c.widgetOptions,
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tmpRow = [],
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dupe = wo.output_duplicateSpans,
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addSpanIndex = isHeader && isJSON && wo.output_headerRows && $.isFunction(wo.output_callbackJSON),
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cellIndex = 0;
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$rows.each(function(rowIndex) {
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if (!tmpRow[rowIndex]) { tmpRow[rowIndex] = []; }
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cellIndex = 0;
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$(this).children().each(function(){
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$this = $(this);
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// process rowspans
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if ($this.filter('[rowspan]').length) {
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rowlen = parseInt( $this.attr('rowspan'), 10) - 1;
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txt = output.formatData( wo, $this.attr(wo.output_dataAttrib) || $this.html(), isHeader );
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for (row = 1; row <= rowlen; row++) {
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if (!tmpRow[rowIndex + row]) { tmpRow[rowIndex + row] = []; }
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tmpRow[rowIndex + row][cellIndex] = isHeader ? txt : dupe ? txt : '';
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}
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}
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// process colspans
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if ($this.filter('[colspan]').length) {
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collen = parseInt( $this.attr('colspan'), 10) - 1;
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txt = output.formatData( wo, $this.attr(wo.output_dataAttrib) || $this.html(), isHeader );
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for (col = 1; col <= collen; col++) {
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// if we're processing the header & making JSON, the header names need to be unique
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if ($this.filter('[rowspan]').length) {
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rowlen = parseInt( $this.attr('rowspan'), 10);
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for (row = 0; row < rowlen; row++) {
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if (!tmpRow[rowIndex + row]) { tmpRow[rowIndex + row] = []; }
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tmpRow[rowIndex + row][cellIndex + col] = addSpanIndex ?
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wo.output_callbackJSON($this, txt, cellIndex + col) || txt + '(' + (cellIndex + col) + ')' : isHeader ? txt : dupe ? txt : '';
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}
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} else {
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tmpRow[rowIndex][cellIndex + col] = addSpanIndex ?
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wo.output_callbackJSON($this, txt, cellIndex + col) || txt + '(' + (cellIndex + col) + ')' : isHeader ? txt : dupe ? txt : '';
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}
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}
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}
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// don't include hidden columns
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if ( $this.css('display') !== 'none' ) {
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// skip column if already defined
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while (typeof tmpRow[rowIndex][cellIndex] !== 'undefined') { cellIndex++; }
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tmpRow[rowIndex][cellIndex] = tmpRow[rowIndex][cellIndex] ||
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output.formatData( wo, $this.attr(wo.output_dataAttrib) || $this.html(), isHeader );
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cellIndex++;
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}
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});
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});
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return tmpRow;
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},
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ignoreColumns : function(wo, data) {
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// ignore columns -> remove data from built array (because we've already processed any rowspan/colspan)
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$.each( data, function(indx, val){
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data[indx] = $.grep(val, function(v, cellIndx){
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return $.inArray(cellIndx, wo.output_ignoreColumns) < 0;
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});
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});
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return data;
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},
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process : function(c, wo) {
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var mydata, $this, $rows, headers, csvData, len,
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hasStringify = window.JSON && JSON.hasOwnProperty('stringify'),
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indx = 0,
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tmpData = (wo.output_separator || ',').toLowerCase(),
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outputJSON = tmpData === 'json',
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outputArray = tmpData === 'array',
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separator = outputJSON || outputArray ? ',' : wo.output_separator,
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$el = c.$table;
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// regex to look for the set separator or HTML
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wo.output_regex = new RegExp('(' + (/\\/.test(separator) ? '\\' : '' ) + separator + ')' );
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// get header cells
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$this = $el.find('thead tr:visible').not('.' + (ts.css.filterRow || 'tablesorter-filter-row') );
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headers = output.processRow(c, $this, true, outputJSON);
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// all tbody rows
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$rows = $el.children('tbody').children('tr');
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// get (f)iltered, (v)isible or all rows (look for the first letter only)
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$rows = /f/.test(wo.output_saveRows) ? $rows.not('.' + (wo.filter_filteredRow || 'filtered') ) :
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/v/.test(wo.output_saveRows) ? $rows.filter(':visible') : $rows;
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// process to array of arrays
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csvData = output.processRow(c, $rows);
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len = headers.length;
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if (wo.output_ignoreColumns.length) {
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headers = output.ignoreColumns(wo, headers);
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csvData = output.ignoreColumns(wo, csvData);
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}
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if (outputJSON) {
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tmpData = [];
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$.each( csvData, function(indx, val){
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// multiple header rows & output_headerRows = true, pick the last row...
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tmpData.push( output.row2Hash( headers[ (len > 1 && wo.output_headerRows) ? indx % len : len - 1], val ) );
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});
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// requires JSON stringify; if it doesn't exist, the output will show [object Object],... in the output window
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mydata = hasStringify ? JSON.stringify(tmpData) : tmpData;
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} else {
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tmpData = output.row2CSV(wo, wo.output_headerRows ? headers : [ headers[ (len > 1 && wo.output_headerRows) ? indx % len : len - 1] ], outputArray)
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.concat( output.row2CSV(wo, csvData, outputArray) );
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// stringify the array; if stringify doesn't exist the array will be flattened
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mydata = outputArray && hasStringify ? JSON.stringify(tmpData) : tmpData.join('\n');
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}
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// callback; if true returned, continue processing
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if ($.isFunction(wo.output_callback) && !wo.output_callback(c, mydata)) { return; }
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if ( /p/.test( (wo.output_delivery || '').toLowerCase() ) ) {
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output.popup(mydata, wo.output_popupStyle, outputJSON || outputArray);
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} else {
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output.download(wo, mydata);
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}
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}, // end process
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row2CSV : function(wo, tmpRow, outputArray) {
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var tmp, rowIndex,
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csvData = [],
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rowLen = tmpRow.length;
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for (rowIndex = 0; rowIndex < rowLen; rowIndex++) {
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// remove any blank rows
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tmp = tmpRow[rowIndex].join('').replace(/\"/g,'');
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if (tmpRow[rowIndex].length > 0 && tmp !== '') {
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csvData[csvData.length] = outputArray ? tmpRow[rowIndex] : tmpRow[rowIndex].join(wo.output_separator);
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}
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}
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return csvData;
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},
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row2Hash : function(keys, values) {
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var json = {};
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$.each(values, function(indx, val) {
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if ( indx < keys.length ) {
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json[ keys[indx] ] = val;
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}
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});
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return json;
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},
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formatData : function(wo, input, isHeader) {
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var txt,
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quotes = (wo.output_separator || ',').toLowerCase(),
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separator = quotes === 'json' || quotes === 'array',
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// replace " with “ if undefined
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result = input.replace(/\"/g, wo.output_replaceQuote || '\u201c');
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// replace line breaks with \\n & tabs with \\t
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if (!wo.output_trimSpaces) {
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result = result.replace(output.regexBR, output.replaceCR).replace(/\t/g, output.replaceTab);
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} else {
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result = result.replace(output.regexBR, '');
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}
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// extract img alt text
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txt = result.match(output.regexIMG);
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if (!wo.output_includeHTML && txt !== null) {
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result = txt[1];
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}
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// replace/remove html
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result = wo.output_includeHTML && !isHeader ? result : result.replace(output.regexHTML, '');
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result = wo.output_trimSpaces || isHeader ? $.trim(result) : result;
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// JSON & array outputs don't need quotes
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quotes = separator ? false : wo.output_wrapQuotes || wo.output_regex.test(result) || output.regexQuote.test(result);
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return quotes ? '"' + result + '"' : result;
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},
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popup : function(data, style, wrap) {
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var generator = window.open('', output.popupTitle, style);
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generator.document.write(
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'<html><head><title>' + output.popupTitle + '</title></head><body>' +
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'<textarea wrap="' + (wrap ? 'on' : 'off') + '" style="' + output.popupStyle + '">' + data + '\n</textarea>' +
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'</body></html>'
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);
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generator.document.close();
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generator.focus();
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// select all text and focus within the textarea in the popup
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// $(generator.document).find('textarea').select().focus();
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return true;
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},
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// modified from https://github.com/PixelsCommander/Download-File-JS
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// & http://html5-demos.appspot.com/static/a.download.html
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download : function (wo, data){
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var e, blob, gotBlob,
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nav = window.navigator,
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link = document.createElement('a');
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// iOS devices do not support downloading. We have to inform user about this.
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if (/(iP)/g.test(nav.userAgent)) {
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alert(output.message);
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return false;
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}
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// test for blob support
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try {
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gotBlob = !!new Blob();
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} catch (err) {
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gotBlob = false;
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}
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// Use HTML5 Blob if browser supports it
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if ( gotBlob ) {
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window.URL = window.webkitURL || window.URL;
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blob = new Blob([data], {type: wo.output_encoding});
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if (nav.msSaveBlob) {
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// IE 10+
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nav.msSaveBlob(blob, wo.output_saveFileName);
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} else {
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// all other browsers
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link.href = window.URL.createObjectURL(blob);
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link.download = wo.output_saveFileName;
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// Dispatching click event; using $(link).trigger() won't work
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if (document.createEvent) {
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e = document.createEvent('MouseEvents');
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// event.initMouseEvent(type, canBubble, cancelable, view, detail, screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget);
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e.initMouseEvent('click', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
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link.dispatchEvent(e);
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}
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}
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return false;
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}
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// fallback to force file download (whether supported by server).
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// not sure if this actually works in IE9 and older...
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window.open( wo.output_encoding + encodeURIComponent(data) + '?download' , '_self');
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return true;
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},
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remove : function(c) {
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c.$table.off(output.event);
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}
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};
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ts.addWidget({
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id: "output",
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options: {
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output_separator : ',', // set to "json", "array" or any separator
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output_ignoreColumns : [], // columns to ignore [0, 1,... ] (zero-based index)
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output_dataAttrib : 'data-name', // header attrib containing modified header name
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output_headerRows : false, // if true, include multiple header rows (JSON only)
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output_delivery : 'popup', // popup, download
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output_saveRows : 'filtered', // all, visible or filtered
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output_duplicateSpans: true, // duplicate output data in tbody colspan/rowspan
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output_replaceQuote : '\u201c;', // left double quote
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output_includeHTML : false,
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output_trimSpaces : true,
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output_wrapQuotes : false,
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output_popupStyle : 'width=500,height=300',
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output_saveFileName : 'mytable.csv',
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// callback executed when processing completes
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// return true to continue download/output
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// return false to stop delivery & do something else with the data
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output_callback : function(config, data){ return true; },
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// JSON callback executed when a colspan is encountered in the header
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output_callbackJSON : function($cell, txt, cellIndex) { return txt + '(' + (cellIndex) + ')'; },
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// the need to modify this for Excel no longer exists
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output_encoding : 'data:application/octet-stream;charset=utf8,'
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},
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init: function(table, thisWidget, c) {
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output.init(c);
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},
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remove: function(table, c){
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output.remove(c);
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}
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});
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})(jQuery);
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