1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
gitbook.require(["gitbook", "jQuery"], function(gitbook, $) {
var copyButton = '<button type="button" class="copy-to-clipboard-button" title="Copy to clipboard" aria-label="Copy to clipboard"><i class="fa fa-copy"></i></button>';
var clipboard;
gitbook.events.bind("page.change", function() {
if (!ClipboardJS.isSupported()) return;
// the page.change event is thrown twice: before and after the page changes
if (clipboard) {
// clipboard is already defined but we are on the same page
if (clipboard._prevPage === window.location.pathname) return;
// clipboard is already defined and url path change
// we can deduct that we are before page changes
clipboard.destroy(); // destroy the previous events listeners
clipboard = undefined; // reset the clipboard object
return;
}
$(copyButton).prependTo("div.sourceCode");
clipboard = new ClipboardJS(".copy-to-clipboard-button", {
text: function(trigger) {
return trigger.parentNode.textContent;
}
});
clipboard._prevPage = window.location.pathname
});
});
|
