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| author | Vjacheslav Trushkin <cyberalien@gmail.com> | 2013-05-20 20:29:37 +0300 |
|---|---|---|
| committer | Vjacheslav Trushkin <cyberalien@gmail.com> | 2013-05-20 20:29:37 +0300 |
| commit | b2e5cc89344d641394e5c15575379de3c86c0806 (patch) | |
| tree | ced15a9c949bf8b3c6fa5836482b633e4790890a /phpBB/assets | |
| parent | 3dae0cfcaefc69d5524e03d1b8b282deae9f181d (diff) | |
| download | forums-b2e5cc89344d641394e5c15575379de3c86c0806.tar forums-b2e5cc89344d641394e5c15575379de3c86c0806.tar.gz forums-b2e5cc89344d641394e5c15575379de3c86c0806.tar.bz2 forums-b2e5cc89344d641394e5c15575379de3c86c0806.tar.xz forums-b2e5cc89344d641394e5c15575379de3c86c0806.zip | |
[feature/editor-code-tabs] Apply code editor to everything
Move code editor from prosilver to assets
Apply code editor to subsilver2
Apply code editor to ACP elements where bbcode is allowed
PHPBB3-11557
Diffstat (limited to 'phpBB/assets')
| -rw-r--r-- | phpBB/assets/javascript/core.js | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/phpBB/assets/javascript/core.js b/phpBB/assets/javascript/core.js index e3f1f9f55b..ba76ba8c10 100644 --- a/phpBB/assets/javascript/core.js +++ b/phpBB/assets/javascript/core.js @@ -663,5 +663,145 @@ phpbb.resizeTextArea = function(items, options) { }); }; +/** +* Adjust textarea to manage code bbcode +* +* This function allows to use tab characters when typing code +* and keeps indentation of previous line of code when adding new +* line while typing code. +* +* Editor's functionality is changed only when cursor is between +* [code] and [/code] bbcode tags. +* +* @param {object} textarea Textarea DOM object to apply editor to +*/ +phpbb.applyCodeEditor = function(textarea) { + // list of allowed start and end bbcode code tags, in lower case + var startTags = ['[code]', '[code='], + startTagsEnd = ']', + endTags = ['[/code]']; + + if ($(textarea).data('code-editor') === true) { + return; + } + + /** + * Check if cursor is currently inside code tag + * + * @return {boolean} True if cursor is in code tag + */ + 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; + + if (start > 0) { + for (i = 0; i < endTags.length; i++) { + index = value.lastIndexOf(endTags[i], start - 1); + lastEnd = Math.max(lastEnd, index); + } + } + + return (lastEnd < lastStart); + } + + /** + * Get line of text before cursor + * + * @param {boolean} stripCodeStart If true, only part of line + * after [code] tag will be returned. + * + * @return {string} Line of text + */ + function getLastLine(stripCodeStart) { + var start = textarea.selectionStart, + value = textarea.value, + index = value.lastIndexOf("\n", start - 1); + + value = value.substring(index + 1, start); + + if (stripCodeStart) { + for (var i = 0; i < startTags.length; i++) { + index = value.lastIndexOf(startTags[i]); + if (index >= 0) { + var tagLength = startTags[i].length; + + value = value.substring(index + tagLength); + if (startTags[i].lastIndexOf(startTagsEnd) != tagLength) { + index = value.indexOf(startTagsEnd); + + if (index >= 0) { + value = value.substr(index + 1); + } + } + } + } + } + + return value; + } + + /** + * Append text at cursor position + * + * @param {string} Text Text to append + */ + function appendText(text) { + var start = textarea.selectionStart, + end = textarea.selectionEnd, + value = textarea.value; + + textarea.value = value.substr(0, start) + text + value.substr(end); + textarea.selectionStart = textarea.selectionEnd = start + text.length; + } + + $(textarea).data('code-editor', true).on('keydown', function(event) { + var key = event.keyCode || event.which; + + // intercept tabs + if (key == 9) { + if (inTag()) { + appendText("\t"); + event.preventDefault(); + return; + } + } + + // intercept new line characters + if (key == 13) { + if (inTag()) { + var lastLine = getLastLine(true), + code = '' + /^\s*/g.exec(lastLine); + + if (code.length > 0) { + appendText("\n" + code); + event.preventDefault(); + return; + } + } + } + }); +}; + +/** +* Apply code editor to all textarea elements with data-bbcode attribute +*/ +$(document).ready(function() { + $('textarea[data-bbcode]').each(function() { + phpbb.applyCodeEditor(this); + }); +}); })(jQuery); // Avoid conflicts with other libraries |