Getting title of slide in Google Apps Script

Question

I'm attempting to write a google apps script that takes the slide titles of every slide (as they are in the master slides) and put them in a nicely formatted table of contents on slide 2.

It doesn't necessarily have to be done with apps script, but this is the best way I could think of.

function readPageElementIds(presentationId, pageId) {
  var response = Slides.Presentations.get(
      presentationId);
  Logger.log(response.slides)
  for (var i = 0; i < response.slides.length; i++) {
    var slide = response.slides[i].pageElements;
    for (var j = 0; j < slide.length; j++) {
      if (slide[j].shape) {
        var texts = slide[j].shape.text.textElements;
        for (var k = 0; k < texts.length; k++) {
          if (texts[k].autoText) {
             Logger.log(texts[k].autoText.content);
          }
        }
      }
    }
  }
}

Yes that's a lot of for loops, I have no idea how to do this.

I could also add a flag of some kind to some property of each title very easily (such as a slightly lighter black). That was one of the things I thought of, but I have absolutely no clue how to implement that. — njha
– njha, Commented Mar 12, 2017 at 0:17

Maurice Codik · Accepted Answer · 2017-03-13 13:12:16Z

3

That's fairly close. Things you're missing:

You're iterating on all of the shapes, not just the titles. For that, filter on the shape.placeholder.type property. You only want to look at shapes with TITLE and CENTERED_TITLE placeholder types.
autoText text elements are relatively rare. Most of your text will be in TextRun text elements

This code would work:

function readPageElementIds(presentationId, pageId) {
  var response = Slides.Presentations.get(
      presentationId);
  Logger.log(response.slides)
  for (var i = 0; i < response.slides.length; i++) {
    var slide = response.slides[i].pageElements;
    for (var j = 0; j < slide.length; j++) {
      if (slide[j].shape && slide[j].shape.placeholder
          && (slide[j].shape.placeholder.type == 'TITLE'
              || slide[j].shape.placeholder.type == 'CENTERED_TITLE')) {
        var texts = slide[j].shape.text.textElements;
        var shapeText = "";
        for (var k = 0; k < texts.length; k++) {
          if (texts[k].autoText) {
             shapeText += texts[k].autoText.content;
          }
          if (texts[k].textRun) {
             shapeText += texts[k].textRun.content;
          }
        }
        Logger.log(shapeText);
      }
    }
  }
}

answered Mar 13, 2017 at 13:12

Maurice Codik

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1 Comment

njha Over a year ago

The documentation for apps script gets me everytime (in a bad way). Thanks!

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