/**
* @OnlyCurrentDoc Adds progress bars to a presentation.
*/
const BAR_ID = 'PROGRESS_BAR_ID';
const BAR_HEIGHT = 10; // px
/**
* Runs when the add-on is installed.
* @param {object} e The event parameter for a simple onInstall trigger. To
* determine which authorization mode (ScriptApp.AuthMode) the trigger is
* running in, inspect e.authMode. (In practice, onInstall triggers always
* run in AuthMode.FULL, but onOpen triggers may be AuthMode.LIMITED or
* AuthMode.NONE.)
*/
function onInstall(e) {
onOpen();
}
/**
* Trigger for opening a presentation.
* @param {object} e The onOpen event.
*/
function onOpen(e) {
SlidesApp.getUi().createAddonMenu()
.addItem('Show progress bar', 'createBars')
.addItem('Hide progress bar', 'deleteBars')
.addToUi();
}
/**
* Create a rectangle on every slide with different bar widths.
*/
function createBars() {
deleteBars(); // Delete any existing progress bars
const presentation = SlidesApp.getActivePresentation();
const slides = presentation.getSlides();
for (let i = 0; i < slides.length; ++i) {
const ratioComplete = (i / (slides.length - 1));
const x = 0;
const y = presentation.getPageHeight() - BAR_HEIGHT;
const barWidth = presentation.getPageWidth() * ratioComplete;
if (barWidth > 0) {
const bar = slides[i].insertShape(SlidesApp.ShapeType.RECTANGLE, x, y,
barWidth, BAR_HEIGHT);
bar.getBorder().setTransparent();
bar.setLinkUrl(BAR_ID);
}
}
}
/**
* Deletes all progress bar rectangles.
*/
function deleteBars() {
const presentation = SlidesApp.getActivePresentation();
const slides = presentation.getSlides();
for (let i = 0; i < slides.length; ++i) {
const elements = slides[i].getPageElements();
for (const el of elements) {
if (el.getPageElementType() === SlidesApp.PageElementType.SHAPE &&
el.asShape().getLink() &&
el.asShape().getLink().getUrl() === BAR_ID) {
el.remove();
}
}
}
}
ผู้ร่วมให้ข้อมูล
ตัวอย่างนี้ดูแลโดย Google ด้วยความช่วยเหลือจากผู้เชี่ยวชาญของ Google Developer
