إظهار أشرطة التقدم في عرض تقديمي من Google

/**  * @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();       }     }   } }