yetangitu/pdf.js
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Using native HTML hyperlinks for bookmark/link navigation

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notmasteryet 2011-08-25 18:28:50 -05:00
parent 561932c664
commit 0e14a2fb28
2 changed files with 33 additions and 32 deletions
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49
web/viewer.js
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@ -212,39 +212,24 @@ var PageView = function(container, content, id, width, height,
};
function setupLinks(canvas, content, scale) {
function bindLink(link, dest) {
if (dest) {
link.onclick = function() {
PDFView.navigateTo(dest);
return false;
};
}
}
var links = content.getLinks();
var currentLink = null;
if (links.length > 0) {
canvas.addEventListener('mousemove', function(e) {
var x = e.pageX;
var y = e.pageY;
for (var p = canvas; p; p = p.offsetParent) {
x -= p.offsetLeft;
y -= p.offsetTop;
}
x /= scale;
y /= scale;
var i, n = links.length;
for (i = 0; i < n; i++) {
var link = links[i];
if (link.x <= x && link.y <= y &&
x < link.x + link.width && y < link.y + link.height) {
currentLink = link;
canvas.style.cursor = 'pointer';
return;
}
}
currentLink = null;
canvas.style.cursor = 'default';
}, false);
canvas.addEventListener('mousedown', function(e) {
if (!currentLink)
return;
if (currentLink.url)
window.location.href = currentLink.url;
if (currentLink.dest)
navigateTo(currentLink.dest);
}, false);
for (var i = 0; i < links.length; i++) {
var link = document.createElement('a');
link.style.left = Math.floor(links[i].x * scale) + 'px';
link.style.top = Math.floor(links[i].y * scale) + 'px';
link.style.width = Math.ceil(links[i].width * scale) + 'px';
link.style.height = Math.ceil(links[i].height * scale) + 'px';
link.href = links[i].url || '';
bindLink(link, links[i].dest);
div.appendChild(link);
}
}