mirror_php/typecho
1
0
Fork 0
mirror of https://github.com/typecho/typecho.git synced 2025-04-11 21:41:49 +02:00
Code Issues Projects Releases Wiki Activity

光标跟随

Browse Source
This commit is contained in:
joyqi 2013-10-25 14:18:31 +08:00
parent 7a19a141c4
commit 1d72a7d335
1 changed files with 41 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
admin/editor-js.php
View File

@ -55,36 +55,59 @@ $(document).ready(function () {
var editor = new Markdown.Editor(converter, '', options),
diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
boundary = '@boundary' + Math.ceil(Math.random() * 1000000) + '@';
mark = '@mark' + Math.ceil(Math.random() * 100000000) + '@',
span = '<span class="diff" />';
// 自动跟随
converter.preConversion = function (text) {
var diffs = diffMatch.diff_main(last, text);
last = text;
converter.postConversion = function (html) {
var diffs = diffMatch.diff_main(last, html);
last = html;
if (diffs.length > 0) {
text = '';
var stack = [], markStr = mark;
for (var i = 0; i < diffs.length; i ++) {
var diff = diffs[i];
var diff = diffs[i], op = diff[0], str = diff[1]
sp = str.lastIndexOf('<'), ep = str.lastIndexOf('>');
if (diff[0] >= 0) {
text += diff[1];
if (op != 0) {
if (sp >=0 && sp > ep) {
if (op > 0) {
stack.push(str.substring(0, sp) + markStr + str.substring(sp));
} else {
var lastStr = stack[stack.length - 1], lastSp = lastStr.lastIndexOf('<');
stack[stack.length - 1] = lastStr.substring(0, lastSp) + markStr + lastStr.substring(lastSp);
}
} else {
if (op > 0) {
stack.push(str + markStr);
} else {
stack.push(markStr);
}
}
markStr = '';
} else {
stack.push(str);
}
}
if (diff[0] != 0) {
text += (diff[1].substring(-1).match(/\w\u3300-\u33ff\u3400-\u4d8f\u4e00-\u9fff/i) ? ' ' : '') + boundary;
html = stack.join('');
if (!markStr) {
var pos = html.indexOf(mark), prev = html.substring(0, pos),
next = html.substr(pos + mark.length),
sp = prev.lastIndexOf('<'), ep = prev.lastIndexOf('>');
if (sp >= 0 && sp > ep) {
html = prev.substring(0, sp) + span + prev.substring(sp) + next;
} else {
html = prev + span + next;
}
}
}
return text;
}
converter.postConversion = function (html) {
html = html.replace(boundary, '<span class="diff" />');
return html.replace(new RegExp(boundary, 'g'), '');
return html;
}
editor.hooks.chain('onPreviewRefresh', function () {