diff options
Diffstat (limited to 'assets')
-rw-r--r-- | assets/js/main.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/assets/js/main.js b/assets/js/main.js index 84970dc..fdda3f4 100644 --- a/assets/js/main.js +++ b/assets/js/main.js @@ -386,6 +386,60 @@ function dload_btn_on_click(btn, path, pre) { link[0].click(); } +function copy_to_clipboard(elem) { + // This is rather neat, thanks: + // https://stackoverflow.com/a/22581382/514684 + + // Apparently, you can only do execCommand('copy') from <input> and + // <textarea> elements. Another stupidity, I'm so surprised. + var is_input = elem.tagName === 'INPUT' || elem.tagName === 'TEXTAREA'; + var orig_select_start, orig_select_end; + + if (is_input) { + var target = elem; + orig_select_start = elem.selectionStart; + orig_select_end = elem.selectionEnd; + } else { + var target = document.createElement('textarea'); + target.textContent = elem.textContent; + document.body.appendChild(target); + } + + var current_focus = document.activeElement; + target.focus(); + target.setSelectionRange(0, target.value.length); + + var succeed; + try { + // Supposedly, this is deprecated. But the "proper" method sucks balls, + // so I'm using this one: + // https://stackoverflow.com/a/30810322/514684 + succeed = document.execCommand('copy'); + } catch (e) { + succeed = false; + } + + if (current_focus && typeof current_focus.focus === "function") { + current_focus.focus(); + } + + if (is_input) { + elem.setSelectionRange(orig_select_start, orig_select_end); + } else { + document.body.removeChild(target); + } + return succeed; +} + +function copy_btn_init(btn) { + btn.empty(); + btn.append('<span class="glyphicon glyphicon-copy"/>'); +} + +function copy_btn_on_click(btn, pre) { + copy_to_clipboard(pre[0]); +} + function make_pre_buttons(path, pre) { var edit_btn = $('<button class="btn btn-default" type="button" title="Edit"/>'); edit_btn_init(edit_btn); @@ -399,7 +453,14 @@ function make_pre_buttons(path, pre) { dload_btn_on_click(dload_btn, path, pre); }); + var copy_btn = $('<button class="btn btn-default" type="button" title="Copy"/>'); + copy_btn_init(copy_btn); + copy_btn.click(function() { + copy_btn_on_click(copy_btn, pre); + }); + return $('<div class="pre_buttons btn-group btn-group-xs" role="group"/>') + .append(copy_btn) .append(dload_btn) .append(edit_btn); } |