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Incorporate toolsmythe fixes #9

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ae63b58
Update csv.service.ts
toolsmythe Jul 20, 2017
c139daf
Update csv.service.ts
toolsmythe Jul 20, 2017
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101 changes: 60 additions & 41 deletions src/csv.service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,62 +2,81 @@ import {Injectable} from '@angular/core';


@Injectable()

export class CsvService {

constructor() {
// Blank Constructor for Demo Purpose
}

export class  CsvService {
constructor() { }

/////////////////////////////////////////////////////////////////   
// J. Pagakis 20170601   
// Mods to make the header suppressable   
/////////////////////////////////////////////////////////////////   
// J. Pagakis 20170719   
// Mods to fix download failures in IE

// Download CSV
download(data:any, filename:string){
var csvData = this.ConvertToCSV(data);
var a: any = document.createElement("a");
a.setAttribute('style', 'display:none;');
download( data:any, filename:string, suppressHeader:boolean = false /* J. Pagakis 20170601 */ )
{
var csvData = this.ConvertToCSV( data, suppressHeader ); //J. Pagakis 20170601
var a: any = document.createElement( "a" );
a.setAttribute( 'style', 'display:none;' );
document.body.appendChild(a);
var blob = new Blob([csvData], { type: 'text/csv' });
var url= window.URL.createObjectURL(blob);
var blob = new Blob( [csvData], { type: 'text/csv' } );
var url= window.URL.createObjectURL( blob );
a.href = url;

var isIE = /*@cc_on!@*/false || !!(<any> document).documentMode;
var isIE = /*@cc_on!@*/false || !!( <any> document ).documentMode;
var retVal;

if (isIE)
{
var retVal = navigator.msSaveBlob(blob, filename+'.csv');
if ( isIE )
{
retVal = navigator.msSaveOrOpenBlob( blob, filename+'.csv' );  //J.Pagakis 20170719 - changed to msSaveOrOpenBlob instead on msSaveBlob
}
else{
else
{
a.download = filename+'.csv';
}
// If you will any error in a.download then dont worry about this.
a.click();

// If you will any error in a.download then dont worry about this.
if ( !isIE )  //J.Pagakis 20170719 - a.click( ) was failing 50% of the time in IE; apparently not needed.
{
a.click();
}
}


// convert Json to CSV data
ConvertToCSV( objArray:any, suppressHeader:boolean = false /* J. Pagakis 20170601 */ ) {
var array = typeof objArray != 'object' ? JSON.parse( objArray ) : objArray;
var str = '';
var row = "";

for ( var index in objArray[ 0 ] )
{
//Convert each value to string and comma-seprated
row += index + ',';
}

row = row.slice( 0, -1 );

// convert Json to CSV data
ConvertToCSV(objArray:any) {
var array = typeof objArray != 'object' ? JSON.parse(objArray) : objArray;
var str = '';
var row = "";

for (var index in objArray[0]) {
//Now convert each value to string and comma-seprated
row += index + ',';
}
row = row.slice(0, -1);
//append Label row with line break
str += row + '\r\n';
//append Label row with line break

for (var i = 0; i < array.length; i++) {
var line = '';
for (var index in array[i]) {
if (line != '') line += ','
if ( ! suppressHeader )  // J. Pagakis 20170601
{
str += row + '\r\n';
}

line += '"'+array[i][index]+'"';
}
for ( var i = 0; i < array.length; i++ )
{
var line = '';
for ( var index in array[ i ] )
{
if ( line != '' ) line += ',';

str += line + '\r\n';
line += '"' + array[ i ][ index ] + '"';
}

return str;
str += line + '\r\n';
}

return str;
}
}