Sakurai/pdf.js
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Scroll thumbnails will full pages.

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This commit is contained in:
Brendan Dahl 2012-04-25 18:39:30 -07:00
parent 27caa7741a
commit c593c092c9
1 changed files with 15 additions and 3 deletions
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18
web/viewer.js
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@ -696,7 +696,7 @@ var PDFView = {
getVisibleThumbs: function pdfViewGetVisibleThumbs() {
var thumbs = this.thumbnails;
var kBottomMargin = 5;
var kBottomMargin = 15;
var visibleThumbs = [];
var view = document.getElementById('thumbnailView');
@ -1547,8 +1547,20 @@ window.addEventListener('pagechange', function pagechange(evt) {
var selected = document.querySelector('.thumbnail.selected');
if (selected)
selected.classList.remove('selected');
document.getElementById('thumbnailContainer' + page)
.classList.add('selected');
var thumbnail = document.getElementById('thumbnailContainer' + page);
thumbnail.classList.add('selected');
var visibleThumbs = PDFView.getVisibleThumbs();
var numVisibleThumbs = visibleThumbs.length;
// If the thumbnail isn't currently visible scroll it into view.
if (numVisibleThumbs > 0) {
var first = visibleThumbs[0].id;
// Account for only one thumbnail being visible.
var last = numVisibleThumbs > 1 ?
visibleThumbs[numVisibleThumbs - 1].id : first;
if (page <= first || page >= last)
thumbnail.scrollIntoView();
}
}
document.getElementById('previous').disabled = (page <= 1);
document.getElementById('next').disabled = (page >= PDFView.pages.length);