DenysMedvid
/
pdf2htmlEX
mirror of https://github.com/pdf2htmlEX/pdf2htmlEX.git
1
0
Fork 0
Code Releases Activity

JS: view_history_handler

This commit is contained in:
Lu Wang 2015-07-10 21:04:22 +08:00
parent 8628ce1cfa
commit fa01e025f9
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
share/pdf2htmlEX.js.in
View File

@ -66,6 +66,8 @@ var DEFAULT_CONFIG = {
'key_handler' : true,
// register hashchange handler, navigate to the location specified by the hash
'hashchange_handler' : true,
// register view history handler, allowing going back to the previous location
'view_history_handler' : true,
'__dummy__' : 'no comma'
};
@ -313,6 +315,12 @@ Viewer.prototype = {
}, false);
}
if (this.config['view_history_handler']) {
window.addEventListener('popstate', function(e) {
if(e.state) self.navigate_to_dest(e.state);
}, false);
}
// register schedule rendering
// renew old schedules since scroll() may be called frequently
this.container.addEventListener('scroll', function() {
@ -798,6 +806,13 @@ Viewer.prototype = {
var detail_str = /** @type{string} */ (target.getAttribute('data-dest-detail'));
if (!detail_str) return;
if (this.config['view_history_handler']) {
try {
var cur_hash = this.get_current_view_hash();
window.history.replaceState(cur_hash, '', '#' + cur_hash);
window.history.pushState(detail_str, '', '#' + detail_str);
} catch(ex) { }
}
this.navigate_to_dest(detail_str, this.get_containing_page(target));
e.preventDefault();
},
@ -939,7 +954,7 @@ Viewer.prototype = {
detail.push('XYZ');
var cur_pos = cur_page.view_position();
cur_pos[1] = cur_page.height() - cur_pos[1];
cur_pos = transform(cur_page.ictm, [cur_pos[0], cur_page.height()-cur_pos[1]]);
detail.push(cur_pos[0] / this.scale);
detail.push(cur_pos[1] / this.scale);