-
-
Notifications
You must be signed in to change notification settings - Fork 305
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #648 from jmaister/fix-remove-columns
Fix remove columns
- Loading branch information
Showing
4 changed files
with
262 additions
and
156 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
|
|
||
| export const b64toBlob = function (b64Data:string, contentType:string, sliceSize?:number): Blob { | ||
| // function taken from http://stackoverflow.com/a/16245768/2591950 | ||
| // author Jeremy Banks http://stackoverflow.com/users/1114/jeremy-banks | ||
| contentType = contentType || ''; | ||
| sliceSize = sliceSize || 512; | ||
|
|
||
| const byteCharacters = atob(b64Data); | ||
| const byteArrays = []; | ||
|
|
||
| for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) { | ||
| const slice = byteCharacters.slice(offset, offset + sliceSize); | ||
|
|
||
| const byteNumbers = new Array(slice.length); | ||
| for (let i = 0; i < slice.length; i = i + 1) { | ||
| byteNumbers[i] = slice.charCodeAt(i); | ||
| } | ||
|
|
||
| const byteArray = new Uint8Array(byteNumbers); | ||
|
|
||
| byteArrays.push(byteArray); | ||
| } | ||
|
|
||
| return new Blob(byteArrays, { | ||
| type: contentType | ||
| }); | ||
| }; | ||
|
|
||
| export const templates = {excel: '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><meta name=ProgId content=Excel.Sheet> <meta name=Generator content="Microsoft Excel 11"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>'}; | ||
|
|
||
| /** | ||
| * Convert a string to Base64. | ||
| */ | ||
| export const base64 = function(s:string) : string { | ||
| return btoa(unescape(encodeURIComponent(s))); | ||
| }; | ||
|
|
||
| export const format = function(s:string, context:any) : string { | ||
| return s.replace(new RegExp("{(\\w+)}", "g"), function(m, p) { | ||
| return context[p]; | ||
| }); | ||
| }; | ||
|
|
||
| /** | ||
| * Get element by ID. | ||
| * @param {*} element | ||
| */ | ||
| export const getTable = function(element :(HTMLTableElement|string)) : HTMLTableElement { | ||
| if (typeof element === 'string') { | ||
| return document.getElementById(element) as HTMLTableElement; | ||
| } | ||
| return element; | ||
| }; | ||
|
|
||
| /** | ||
| * Get element by ID. | ||
| * @param {*} element | ||
| */ | ||
| export const getAnchor = function(element :(HTMLAnchorElement|string)) : HTMLAnchorElement { | ||
| if (typeof element === 'string') { | ||
| return document.getElementById(element) as HTMLAnchorElement; | ||
| } | ||
| return element; | ||
| }; | ||
|
|
||
| /** | ||
| * Encode a value for CSV. | ||
| * @param {*} value | ||
| */ | ||
| const fixCSVField = function(value:string, csvDelimiter:string) { | ||
| let fixedValue = value; | ||
| const addQuotes = (value.indexOf(csvDelimiter) !== -1) || (value.indexOf('\r') !== -1) || (value.indexOf('\n') !== -1); | ||
| const replaceDoubleQuotes = (value.indexOf('"') !== -1); | ||
|
|
||
| if (replaceDoubleQuotes) { | ||
| fixedValue = fixedValue.replace(/"/g, '""'); | ||
| } | ||
| if (addQuotes || replaceDoubleQuotes) { | ||
| fixedValue = '"' + fixedValue + '"'; | ||
| } | ||
|
|
||
| return fixedValue; | ||
| }; | ||
|
|
||
| export const tableToArray = function(table:HTMLTableElement) : any[][] { | ||
| let tableInfo = Array.prototype.map.call(table.querySelectorAll('tr'), function(tr) { | ||
| return Array.prototype.map.call(tr.querySelectorAll('th,td'), function(td) { | ||
| return td.innerHTML; | ||
| }); | ||
| }); | ||
| return tableInfo; | ||
| }; | ||
|
|
||
| export const tableToCSV = function(table:HTMLTableElement, csvDelimiter:string = ',', csvNewLine:string = '\n') : string { | ||
| let data = ""; | ||
| for (let i = 0; i < table.rows.length; i=i+1) { | ||
| const row = table.rows[i]; | ||
| for (let j = 0; j < row.cells.length; j=j+1) { | ||
| const col = row.cells[j]; | ||
| data = data + (j ? csvDelimiter : '') + fixCSVField(col.textContent.trim(), csvDelimiter); | ||
| } | ||
| data = data + csvNewLine; | ||
| } | ||
| return data; | ||
| }; | ||
|
|
||
| export const createDownloadLink = function(anchor:HTMLAnchorElement, base64data:string, exporttype:string, filename:string) : boolean { | ||
| if (window.navigator.msSaveBlob) { | ||
| const blob = b64toBlob(base64data, exporttype); | ||
| window.navigator.msSaveBlob(blob, filename); | ||
| return false; | ||
| } else if (window.URL.createObjectURL) { | ||
| const blob = b64toBlob(base64data, exporttype); | ||
| anchor.href = window.URL.createObjectURL(blob); | ||
| } else { | ||
| anchor.download = filename; | ||
| anchor.href = "data:" + exporttype + ";base64," + base64data; | ||
| } | ||
|
|
||
| // Return true to allow the link to work | ||
| return true; | ||
| }; | ||
|
|
||
| // String to ArrayBuffer | ||
| export const string2ArrayBuffer = function (s:string): ArrayBuffer { | ||
| let buf = new ArrayBuffer(s.length); | ||
| let view = new Uint8Array(buf); | ||
| for (let i=0; i !== s.length; ++i) { | ||
| view[i] = s.charCodeAt(i) & 0xFF; | ||
| } | ||
| return buf; | ||
| }; | ||
|
|
||
| export const removeColumns = function(dataArray:any[][], columnIndexes:number[]) { | ||
| const uniqueIndexes = [...new Set(columnIndexes)].sort().reverse(); | ||
| uniqueIndexes.forEach(function(columnIndex) { | ||
| dataArray.forEach(function(row) { | ||
| row.splice(columnIndex, 1); | ||
| }); | ||
| }); | ||
| }; |
Oops, something went wrong.