diff options
author | Mike Greiling <mike@pixelcog.com> | 2017-11-29 00:34:51 +0300 |
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committer | Mike Greiling <mike@pixelcog.com> | 2017-11-29 00:37:58 +0300 |
commit | 2e5ce7e60f16c2e49178442ea065f5154b265d52 (patch) | |
tree | 6900beaf2215d1e61f6ca9696edcce34e04e3b34 /app/assets/javascripts/behaviors | |
parent | 7b893d1b52fa9df61739ce291c931338f95ef6d5 (diff) |
move copy_to_clipboard to behaviors directory as it is needed on all pages
[ci-skip]
Diffstat (limited to 'app/assets/javascripts/behaviors')
-rw-r--r-- | app/assets/javascripts/behaviors/copy_to_clipboard.js | 73 | ||||
-rw-r--r-- | app/assets/javascripts/behaviors/index.js | 2 |
2 files changed, 75 insertions, 0 deletions
diff --git a/app/assets/javascripts/behaviors/copy_to_clipboard.js b/app/assets/javascripts/behaviors/copy_to_clipboard.js new file mode 100644 index 00000000000..e61745c3be2 --- /dev/null +++ b/app/assets/javascripts/behaviors/copy_to_clipboard.js @@ -0,0 +1,73 @@ +import Clipboard from 'clipboard'; + +function showTooltip(target, title) { + const $target = $(target); + const originalTitle = $target.data('original-title'); + + if (!$target.data('hideTooltip')) { + $target + .attr('title', title) + .tooltip('fixTitle') + .tooltip('show') + .attr('title', originalTitle) + .tooltip('fixTitle'); + } +} + +function genericSuccess(e) { + showTooltip(e.trigger, 'Copied'); + // Clear the selection and blur the trigger so it loses its border + e.clearSelection(); + $(e.trigger).blur(); +} + +// Safari doesn't support `execCommand`, so instead we inform the user to +// copy manually. +// +// See http://clipboardjs.com/#browser-support +function genericError(e) { + let key; + if (/Mac/i.test(navigator.userAgent)) { + key = '⌘'; // Command + } else { + key = 'Ctrl'; + } + showTooltip(e.trigger, `Press ${key}-C to copy`); +} + +export default function initCopyToClipboard() { + const clipboard = new Clipboard('[data-clipboard-target], [data-clipboard-text]'); + clipboard.on('success', genericSuccess); + clipboard.on('error', genericError); + + /** + * This a workaround around ClipboardJS limitations to allow the context-specific copy/pasting + * of plain text or GFM. The Ruby `clipboard_button` helper sneaks a JSON hash with `text` and + * `gfm` keys into the `data-clipboard-text` attribute that ClipboardJS reads from. + * When ClipboardJS creates a new `textarea` (directly inside `body`, with a `readonly` + * attribute`), sets its value to the value of this data attribute, focusses on it, and finally + * programmatically issues the 'Copy' command, this code intercepts the copy command/event at + * the last minute to deconstruct this JSON hash and set the `text/plain` and `text/x-gfm` copy + * data types to the intended values. + */ + $(document).on('copy', 'body > textarea[readonly]', (e) => { + const clipboardData = e.originalEvent.clipboardData; + if (!clipboardData) return; + + const text = e.target.value; + + let json; + try { + json = JSON.parse(text); + } catch (ex) { + return; + } + + if (!json.text || !json.gfm) return; + + e.preventDefault(); + + clipboardData.setData('text/plain', json.text); + clipboardData.setData('text/x-gfm', json.gfm); + }); +} diff --git a/app/assets/javascripts/behaviors/index.js b/app/assets/javascripts/behaviors/index.js index 671532394a9..34e905222b4 100644 --- a/app/assets/javascripts/behaviors/index.js +++ b/app/assets/javascripts/behaviors/index.js @@ -1,6 +1,7 @@ import './autosize'; import './bind_in_out'; import initCopyAsGFM from './copy_as_gfm'; +import initCopyToClipboard from './copy_to_clipboard'; import './details_behavior'; import installGlEmojiElement from './gl_emoji'; import './quick_submit'; @@ -9,3 +10,4 @@ import './toggler_behavior'; installGlEmojiElement(); initCopyAsGFM(); +initCopyToClipboard(); |