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'GoTo' action/links; document outline (no UI)

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notmasteryet 2011-08-19 22:41:56 -05:00
parent 455ff74c19
commit 3b940c4bcd
2 changed files with 94 additions and 15 deletions
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31
web/viewer.js
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@ -84,6 +84,20 @@ var PDFView = {
xhr.send(null);
},
navigateTo: function (dest) {
var i, n = this.pages.length;
var destRef = dest[0];
// TODO optimize destination page search
for (i = 0; i < n; i++) {
var pageRef = this.pages[i].content.ref;
if (destRef.num == pageRef.num && destRef.gen == pageRef.gen) {
this.page = i + 1;
// TODO scroll to specific region on the page
break;
}
}
},
load: function(data, scale) {
var sidebar = document.getElementById('sidebarView');
sidebar.parentNode.scrollTop = 0;
@ -105,7 +119,7 @@ var PDFView = {
for (var i = 1; i <= pagesCount; i++) {
var page = pdf.getPage(i);
pages.push(new PageView(container, page, i, page.width, page.height,
page.stats));
page.stats, this.navigateTo.bind(this)));
thumbnails.push(new ThumbnailView(sidebar, pages[i - 1]));
}
@ -140,7 +154,8 @@ var PDFView = {
}
};
var PageView = function(container, content, id, width, height, stats) {
var PageView = function(container, content, id, width, height,
stats, navigateTo) {
this.width = width;
this.height = height;
this.id = id;
@ -178,10 +193,9 @@ var PageView = function(container, content, id, width, height, stats) {
}
x /= scale;
y /= scale;
for (var i = 0; i < links.length; i++) {
var i, n = links.length;
for (i = 0; i < n; i++) {
var link = links[i];
if (!link.url)
continue;
if (link.x <= x && link.y <= y &&
x < link.x + link.width && y < link.y + link.height) {
currentLink = link;
@ -193,7 +207,12 @@ var PageView = function(container, content, id, width, height, stats) {
canvas.style.cursor = 'default';
}, false);
canvas.addEventListener('mousedown', function(e) {
window.location.href = currentLink.url;
if (!currentLink)
return;
if (currentLink.url)
window.location.href = currentLink.url;
if (currentLink.dest)
navigateTo(currentLink.dest);
}, false);
}
}