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Google Sheets script to allow multi-select in cells with data-validation (adapted from https://www.youtube.com/watch?v=dm4z9l26O0I)
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<!DOCTYPE html> | |
<html> | |
<head> | |
<script> | |
var data | |
var formId = 'form' | |
function drawForm() { | |
if (!data) return | |
var outputEl = document.getElementById(formId); | |
var output = '' | |
if (Object.prototype.toString.call(data) === '[object Array]') { | |
for (var i = 0; i < data.length; i++) { | |
if (data[i].length == 1 ) { | |
if (data[i][0] == '') continue; | |
output += '<input type=\'checkbox\' name=\''+data[i][0]+'\' value=\''+data[i][0]+'\'>' | |
output += data[i][0] | |
output += '<br>' | |
} else if (data[i].length > 1) { | |
if (data[i][0] == '') continue; | |
// left will be used as value | |
// the rest is title | |
output += '<input type=\'checkbox\' name=\''+data[i][0]+'\' value=\''+data[i][0]+'\'>' | |
output += data[i][0] + ' – ' | |
for (var j = 1; j < data[i].length; j++) { | |
if (data[i][j] == '') continue | |
output += data[i][j] + '; ' | |
} | |
output += '<br>' | |
} | |
} | |
} else { | |
output += '<p>This cell has no <a href="https://support.google.com/drive/answer/139705?hl=en">Data validation</a>.</p>'; | |
} | |
outputEl.innerHTML = output | |
} | |
var onData = function(result) { | |
data = result | |
drawForm() | |
} | |
google.script.run.withSuccessHandler(onData).getValidationData(); | |
function set() { | |
google.script.run.withSuccessHandler(x=>{ | |
}).fillCell(document.getElementById(formId)) | |
} | |
function update() { | |
google.script.run.withSuccessHandler(x=>{ | |
}).updateCell(document.getElementById(formId)) | |
} | |
function reset() { | |
drawForm() | |
} | |
</script> | |
</head> | |
<body> | |
<div style='position:fixed; padding-top: 10px; background-color: white; height: 30px; width: 100%; top: 0;'> | |
<input type="button" value="Set" onclick="set()" /> | |
<input type="button" value="Update" onclick="update()" /> | |
<input type="button" value="Reset" onclick="reset()" /> | |
<input type="button" value="Refresh validation" onclick="google.script.run.showDialog()" /> | |
</div> | |
<div style="font-family: sans-serif; padding-top: 30px;"> | |
<form id="form" name="form"> | |
</form> | |
</div> | |
</body> | |
<html> |
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function onOpen(e) { | |
SpreadsheetApp.getUi() | |
.createMenu('Scripts') | |
.addItem('Multi-select for this cell...', 'showDialog') | |
.addToUi(); | |
} | |
function showDialog() { | |
var html = HtmlService.createHtmlOutputFromFile('dialog').setSandboxMode(HtmlService.SandboxMode.IFRAME); | |
SpreadsheetApp.getUi() | |
.showSidebar(html); | |
} | |
function getValidationData(){ | |
try { | |
return SpreadsheetApp.getActiveRange().getDataValidation().getCriteriaValues()[0].getValues(); | |
} catch(e) { | |
return null | |
} | |
} | |
function setValues_(e, update) { | |
var selectedValues = []; | |
for (var i in e) { | |
selectedValues.push(i); | |
} | |
var separator = ',' | |
var total = selectedValues.length | |
if (total > 0) { | |
var range = SpreadsheetApp.getActiveRange() | |
var value = selectedValues.join(separator) | |
if (update) { | |
var values = range.getValues() | |
// check every cell in range | |
for (var row = 0; row < values.length; ++row) { | |
for (var column = 0; column < values[row].length; ++column) { | |
var currentValues = values[row][column].split(separator);//typeof values[row][column] === Array ? values[row][column].split(separator) : [values[row][column]+''] | |
// find same values and remove them | |
var newValues = [] | |
for (var j = 0; j < currentValues.length; ++j) { | |
var uniqueValue = true | |
for(var i = 0; i < total; ++i) { | |
if (selectedValues[i] == currentValues[j]) { | |
uniqueValue = false | |
break | |
} | |
} | |
if (uniqueValue && currentValues[j].trim() != '') { | |
newValues.push(currentValues[j]) | |
} | |
} | |
if (newValues.length > 0) { | |
range.getCell(row+1, column+1).setValue(newValues.join(separator)+separator+value) | |
} else { | |
range.getCell(row+1, column+1).setValue(value); | |
} | |
} | |
} | |
} else { | |
range.setValue(value); | |
} | |
} | |
} | |
function updateCell(e) { | |
return setValues_(e, true) | |
} | |
function fillCell(e) { | |
setValues_(e) | |
} |
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