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editor-js.php
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<?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
<?php $content = !empty($post) ? $post : $page; if ($options->markdown): ?>
<script src="<?php $options->adminStaticUrl('js', 'pagedown.js?v=' . $suffixVersion); ?>"></script>
<script src="<?php $options->adminStaticUrl('js', 'pagedown-extra.js?v=' . $suffixVersion); ?>"></script>
<script src="<?php $options->adminStaticUrl('js', 'diff.js?v=' . $suffixVersion); ?>"></script>
<script>
$(document).ready(function () {
var textarea = $('#text'),
toolbar = $('<div class="editor" id="wmd-button-bar" />').insertBefore(textarea.parent()),
preview = $('<div id="wmd-preview" class="wmd-hidetab" />').insertAfter('.editor');
var options = {}, isMarkdown = <?php echo intval($content->isMarkdown || !$content->have()); ?>;
options.strings = {
bold: '<?php _e('加粗'); ?> <strong> Ctrl+B',
boldexample: '<?php _e('加粗文字'); ?>',
italic: '<?php _e('斜体'); ?> <em> Ctrl+I',
italicexample: '<?php _e('斜体文字'); ?>',
link: '<?php _e('链接'); ?> <a> Ctrl+L',
linkdescription: '<?php _e('请输入链接描述'); ?>',
quote: '<?php _e('引用'); ?> <blockquote> Ctrl+Q',
quoteexample: '<?php _e('引用文字'); ?>',
code: '<?php _e('代码'); ?> <pre><code> Ctrl+K',
codeexample: '<?php _e('请输入代码'); ?>',
image: '<?php _e('图片'); ?> <img> Ctrl+G',
imagedescription: '<?php _e('请输入图片描述'); ?>',
olist: '<?php _e('数字列表'); ?> <ol> Ctrl+O',
ulist: '<?php _e('普通列表'); ?> <ul> Ctrl+U',
litem: '<?php _e('列表项目'); ?>',
heading: '<?php _e('标题'); ?> <h1>/<h2> Ctrl+H',
headingexample: '<?php _e('标题文字'); ?>',
hr: '<?php _e('分割线'); ?> <hr> Ctrl+R',
more: '<?php _e('摘要分割线'); ?> <!--more--> Ctrl+M',
undo: '<?php _e('撤销'); ?> - Ctrl+Z',
redo: '<?php _e('重做'); ?> - Ctrl+Y',
redomac: '<?php _e('重做'); ?> - Ctrl+Shift+Z',
fullscreen: '<?php _e('全屏'); ?> - Ctrl+J',
exitFullscreen: '<?php _e('退出全屏'); ?> - Ctrl+E',
fullscreenUnsupport: '<?php _e('此浏览器不支持全屏操作'); ?>',
imagedialog: '<p><b><?php _e('插入图片'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的远程图片地址'); ?></p><p><?php _e('您也可以使用附件功能插入上传的本地图片'); ?></p>',
linkdialog: '<p><b><?php _e('插入链接'); ?></b></p><p><?php _e('请在下方的输入框内输入要插入的链接地址'); ?></p>',
ok: '<?php _e('确定'); ?>',
cancel: '<?php _e('取消'); ?>',
help: '<?php _e('Markdown语法帮助'); ?>'
};
var converter = new Markdown.Converter(),
editor = new Markdown.Editor(converter, '', options),
diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
mark = '@mark' + Math.ceil(Math.random() * 100000000) + '@',
span = '<span class="diff" />',
cache = {};
Markdown.Extra.init(converter, {
'extensions' : ["tables", "fenced_code_gfm", "def_list", "attr_list", "footnotes", "strikethrough", "newlines"]
});
// 自动跟随
converter.hooks.chain('postConversion', function (html) {
// clear special html tags
html = html.replace(/<\/?(\!doctype|html|head|body|link|title|input|select|button|textarea|style|noscript)[^>]*>/ig, function (all) {
return all.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/'/g, ''')
.replace(/"/g, '"');
});
// clear hard breaks
html = html.replace(/\s*((?:<br>\n)+)\s*(<\/?(?:p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption|li|dd|dt)[^\w])/gm, '$2');
if (html.indexOf('<!--more-->') > 0) {
var parts = html.split(/\s*<\!\-\-more\-\->\s*/),
summary = parts.shift(),
details = parts.join('');
html = '<div class="summary">' + summary + '</div>'
+ '<div class="details">' + details + '</div>';
}
var diffs = diffMatch.diff_main(last, html);
last = html;
if (diffs.length > 0) {
var stack = [], markStr = mark;
for (var i = 0; i < diffs.length; i ++) {
var diff = diffs[i], op = diff[0], str = diff[1]
sp = str.lastIndexOf('<'), ep = str.lastIndexOf('>');
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);
}
}
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;
}
}
}
// 替换img
html = html.replace(/<(img)\s+([^>]*)\s*src="([^"]+)"([^>]*)>/ig, function (all, tag, prefix, src, suffix) {
if (!cache[src]) {
cache[src] = false;
} else {
return '<span class="cache" data-width="' + cache[src][0] + '" data-height="' + cache[src][1] + '" '
+ 'style="background:url(' + src + ') no-repeat left top; width:'
+ cache[src][0] + 'px; height:' + cache[src][1] + 'px; display: inline-block; max-width: 100%;'
+ '-webkit-background-size: contain;-moz-background-size: contain;-o-background-size: contain;background-size: contain;" />';
}
return all;
});
// 替换block
html = html.replace(/<(iframe|embed)\s+([^>]*)>/ig, function (all, tag, src) {
if (src[src.length - 1] == '/') {
src = src.substring(0, src.length - 1);
}
return '<div style="background: #ddd; height: 40px; overflow: hidden; line-height: 40px; text-align: center; font-size: 12px; color: #777">'
+ tag + ' : ' + $.trim(src) + '</div>';
});
return html;
});
function cacheResize() {
var t = $(this), w = parseInt(t.data('width')), h = parseInt(t.data('height')),
ow = t.width();
t.height(h * ow / w);
}
var to;
editor.hooks.chain('onPreviewRefresh', function () {
var diff = $('.diff', preview), scrolled = false;
if (to) {
clearTimeout(to);
}
$('img', preview).load(function () {
var t = $(this), src = t.attr('src');
if (scrolled) {
preview.scrollTo(diff, {
offset : - 50
});
}
if (!!src && !cache[src]) {
cache[src] = [this.width, this.height];
}
});
$('.cache', preview).resize(cacheResize).each(cacheResize);
var changed = $('.diff', preview).parent();
if (!changed.is(preview)) {
changed.css('background-color', 'rgba(255,230,0,0.5)');
to = setTimeout(function () {
changed.css('background-color', 'transparent');
}, 4500);
}
if (diff.length > 0) {
var p = diff.position(), lh = diff.parent().css('line-height');
lh = !!lh ? parseInt(lh) : 0;
if (p.top < 0 || p.top > preview.height() - lh) {
preview.scrollTo(diff, {
offset : - 50
});
scrolled = true;
}
}
});
<?php Typecho_Plugin::factory('admin/editor-js.php')->markdownEditor($content); ?>
var input = $('#text'), th = textarea.height(), ph = preview.height(),
uploadBtn = $('<button type="button" id="btn-fullscreen-upload" class="btn btn-link">'
+ '<i class="i-upload"><?php _e('附件'); ?></i></button>')
.prependTo('.submit .right')
.click(function() {
$('a', $('.typecho-option-tabs li').not('.active')).trigger('click');
return false;
});
$('.typecho-option-tabs li').click(function () {
uploadBtn.find('i').toggleClass('i-upload-active',
$('#tab-files-btn', this).length > 0);
});
editor.hooks.chain('enterFakeFullScreen', function () {
th = textarea.height();
ph = preview.height();
$(document.body).addClass('fullscreen');
var h = $(window).height() - toolbar.outerHeight();
textarea.css('height', h);
preview.css('height', h);
});
editor.hooks.chain('enterFullScreen', function () {
$(document.body).addClass('fullscreen');
var h = window.screen.height - toolbar.outerHeight();
textarea.css('height', h);
preview.css('height', h);
});
editor.hooks.chain('exitFullScreen', function () {
$(document.body).removeClass('fullscreen');
textarea.height(th);
preview.height(ph);
});
function initMarkdown() {
editor.run();
var imageButton = $('#wmd-image-button'),
linkButton = $('#wmd-link-button');
Typecho.insertFileToEditor = function (file, url, isImage) {
var button = isImage ? imageButton : linkButton;
options.strings[isImage ? 'imagename' : 'linkname'] = file;
button.trigger('click');
var checkDialog = setInterval(function () {
if ($('.wmd-prompt-dialog').length > 0) {
$('.wmd-prompt-dialog input').val(url).select();
clearInterval(checkDialog);
checkDialog = null;
}
}, 10);
};
Typecho.uploadComplete = function (file) {
Typecho.insertFileToEditor(file.title, file.url, file.isImage);
};
// 编辑预览切换
var edittab = $('.editor').prepend('<div class="wmd-edittab"><a href="#wmd-editarea" class="active"><?php _e('撰写'); ?></a><a href="#wmd-preview"><?php _e('预览'); ?></a></div>'),
editarea = $(textarea.parent()).attr("id", "wmd-editarea");
$(".wmd-edittab a").click(function() {
$(".wmd-edittab a").removeClass('active');
$(this).addClass("active");
$("#wmd-editarea, #wmd-preview").addClass("wmd-hidetab");
var selected_tab = $(this).attr("href"),
selected_el = $(selected_tab).removeClass("wmd-hidetab");
// 预览时隐藏编辑器按钮
if (selected_tab == "#wmd-preview") {
$("#wmd-button-row").addClass("wmd-visualhide");
} else {
$("#wmd-button-row").removeClass("wmd-visualhide");
}
// 预览和编辑窗口高度一致
$("#wmd-preview").outerHeight($("#wmd-editarea").innerHeight());
return false;
});
}
if (isMarkdown) {
initMarkdown();
} else {
var notice = $('<div class="message notice"><?php _e('这篇文章不是由Markdown语法创建的, 继续使用Markdown编辑它吗?'); ?> '
+ '<button class="btn btn-xs primary yes"><?php _e('是'); ?></button> '
+ '<button class="btn btn-xs no"><?php _e('否'); ?></button></div>')
.hide().insertBefore(textarea).slideDown();
$('.yes', notice).click(function () {
notice.remove();
$('<input type="hidden" name="markdown" value="1" />').appendTo('.submit');
initMarkdown();
});
$('.no', notice).click(function () {
notice.remove();
});
}
});
</script>
<?php endif; ?>