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November 1, 2016 15:12
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Google Documents - Add/Remove Heading Numbers, based on https://github.com/lpanebr/autoNumberHeadings
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function addMenu() { | |
DocumentApp.getUi().createMenu('Headings Tools') | |
.addItem('Auto Number Headings', 'numberHeadingsAdd') | |
.addItem('Clear Heading Numbers', 'numberHeadingsClear') | |
.addToUi(); | |
} | |
function numberHeadingsAdd(){ | |
numberHeadings(true); | |
} | |
function numberHeadingsClear(){ | |
numberHeadings(false); | |
} | |
function numberHeadings(add){ | |
var document = DocumentApp.getActiveDocument(); | |
var body = document.getBody(); | |
var paragraphs = document.getParagraphs(); | |
var numbers = [0,0,0,0,0,0,0]; | |
for (var i in paragraphs) { | |
var element = paragraphs[i]; | |
var text = element.getText()+''; | |
var type = element.getHeading()+''; | |
// exclude everything but headings | |
if (!type.match(/Heading \d/)) { | |
continue; | |
} | |
// exclude empty headings (e.g. page breaks generate these) | |
if(text.trim() === ''){ | |
continue; | |
} | |
if (add == true) { | |
var level = new RegExp(/Heading (\d)/).exec(type)[1]; | |
var numbering = ''; | |
numbers[level]++; | |
for (var currentLevel = 1; currentLevel <= 6; currentLevel++) { | |
if (currentLevel <= level) { | |
numbering += numbers[currentLevel] + '.'; | |
} else { | |
numbers[currentLevel] = 0; | |
} | |
} | |
Logger.log(text); | |
var newText = numbering + ' ' + text.replace(/^[0-9\.\s]+/, ''); | |
element.setText(newText); | |
Logger.log([newText]); | |
} else { | |
Logger.log(text); | |
element.setText(text.replace(/^[0-9\.\s]+/, '')); | |
} | |
} | |
} |
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