Mercurial > hg > Papers > 2019 > anatofuz-thesis

comparison presen/fig/tgraph/assets/idrviewer.querystring-navigation.js @ 77:2327c951dfb9

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author anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Mon, 18 Feb 2019 19:46:14 +0900
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76:582b97946af6 77:2327c951dfb9
1 /* v1.2.0 */
2 (function() {
3 "use strict";
4
5 var getURLParamValue = function(param) {
6 var url = document.URL;
7 var jumIdx = url.toString().indexOf('?');
8 var params = (jumIdx != -1) ? url.substr(jumIdx + 1).split("&") : "";
9 for (var i = 0; i < params.length; i++) {
10 params[i] = params[i].split('=');
11 if (params[i][0] == param) {
12 return params[i][1];
13 }
14 }
15 return "";
16 };
17
18 var layout;
19 var handlePageChange = function(data) {
20 if (history.pushState) {
21 if (layout === IDRViewer.LAYOUT_CONTINUOUS) {
22 try {
23 history.replaceState({page: data.page}, null, '?page=' + data.page);
24 } catch (ignore) { } // Chrome throws error on file:// protocol
25 } else {
26 try {
27 history.pushState({page: data.page}, null, '?page=' + data.page);
28 } catch (ignore) { } // Chrome throws error on file:// protocol
29 }
30 }
31 };
32
33 var pg = parseInt(getURLParamValue('page'));
34 if (isNaN(pg)) {
35 pg = 1;
36 }
37 IDRViewer.goToPage(pg);
38
39 if (history.pushState) {
40 IDRViewer.on('ready', function (data) {
41 layout = data.layout;
42
43 try {
44 history.replaceState({page: data.page}, null, '?page=' + data.page);
45 } catch (ignore) { } // Chrome throws error on file:// protocol
46
47 window.onpopstate = function (event) {
48 IDRViewer.off('pagechange', handlePageChange);
49 IDRViewer.goToPage(event.state.page);
50 IDRViewer.on('pagechange', handlePageChange);
51 };
52
53 IDRViewer.on('pagechange', handlePageChange);
54
55 IDRViewer.on('layoutchange', function (data) {
56 layout = data.layout;
57 });
58 });
59 }
60
61 })();