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| author | Vjacheslav Trushkin <cyberalien@gmail.com> | 2013-05-19 17:25:58 +0300 |
|---|---|---|
| committer | Vjacheslav Trushkin <cyberalien@gmail.com> | 2013-05-19 17:25:58 +0300 |
| commit | 1e216319a75ef35cf6b905bbb6e257a5f105e62a (patch) | |
| tree | 71cb0788a4ae9325f375a5a7e4bb8b833a50309b /phpBB | |
| parent | d8ed228ddf2f4117a5a8044e9903ef22febdeb4a (diff) | |
| download | forums-1e216319a75ef35cf6b905bbb6e257a5f105e62a.tar forums-1e216319a75ef35cf6b905bbb6e257a5f105e62a.tar.gz forums-1e216319a75ef35cf6b905bbb6e257a5f105e62a.tar.bz2 forums-1e216319a75ef35cf6b905bbb6e257a5f105e62a.tar.xz forums-1e216319a75ef35cf6b905bbb6e257a5f105e62a.zip | |
[feature/editor-code-tabs] Allow tabs when typing code
Allow tabs when typing code in textarea
Keep indentation when typing code in textarea
PHPBB3-11557
Diffstat (limited to 'phpBB')
| -rw-r--r-- | phpBB/styles/prosilver/template/editor.js | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/phpBB/styles/prosilver/template/editor.js b/phpBB/styles/prosilver/template/editor.js index 0a749347ad..9ec8409560 100644 --- a/phpBB/styles/prosilver/template/editor.js +++ b/phpBB/styles/prosilver/template/editor.js @@ -394,3 +394,101 @@ function getCaretPosition(txtarea) { return caretPos; } + +/** +* Allow to use tab character when typing code +* Keep indentation of last line of code when typing code +*/ +(function($) { + $(document).ready(function() { + var doc, textarea, startTags, endTags; + + // find textarea, make sure browser supports necessary functions + if (document.forms[form_name]) { + doc = document; + } else { + doc = opener.document; + } + + if (!doc.forms[form_name]) { + return; + } + + textarea = doc.forms[form_name].elements[text_name]; + if (!textarea || typeof textarea.selectionStart !== 'number') { + return; + } + + // list of allowed start and end bbcode code tags, in lower case + startTags = ['[code]', '[code=']; + endTags = ['[/code]']; + + function inTag() { + var start = textarea.selectionStart, + lastEnd = -1, + lastStart = -1, + i, index, value; + + value = textarea.value.toLowerCase(); + + for (i = 0; i < startTags.length; i++) { + var tagLength = startTags[i].length; + if (start >= tagLength) + { + index = value.lastIndexOf(startTags[i], start - tagLength); + lastStart = Math.max(lastStart, index); + } + } + if (lastStart == -1) return false; + + for (i = 0; i < endTags.length; i++) { + index = value.lastIndexOf(endTags[i], start); + lastEnd = Math.max(lastEnd, index); + } + + return (lastEnd < lastStart); + } + + function getLastLine() { + var start = textarea.selectionStart, + value = textarea.value, + index = value.lastIndexOf("\n", start - 1); + return value.substring(index + 1, start); + } + + function appendCode(code) { + var start = textarea.selectionStart, + end = textarea.selectionEnd, + value = textarea.value; + textarea.value = value.substr(0, start) + code + value.substr(end); + textarea.selectionStart = textarea.selectionEnd = start + code.length; + } + + $(textarea).on('keydown', function(event) { + var key = event.keyCode || event.which; + + // intercept tabs + if (key == 9) { + if (inTag()) { + appendCode("\t"); + event.preventDefault(); + return; + } + } + + // intercept new line characters + if (key == 13) { + if (inTag()) { + var lastLine = getLastLine(), + code = '' + /^\s*/g.exec(lastLine); + if (code.length > 0) { + appendCode("\n" + code); + event.preventDefault(); + return; + } + } + } + }); + }); +})(jQuery); + |