s around + // "paragraphs" that are wrapped in non-block-level tags, such as anchors, + // phrase emphasis, and spans. The list of tags we're looking for is + // hard-coded: + var block_tags_a = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del" + var block_tags_b = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math" + + // First, look for nested blocks, e.g.: + //
. It was easier to make a special case than + // to make the other regex more complicated. + + /* + text = text.replace(/ + \n // Starting after a blank line + [ ]{0,3} + ( // save in $1 + (<(hr) // start tag = $2 + \b // word break + ([^<>])*? + \/?>) // the matching end tag + [ \t]* + (?=\n{2,}) // followed by a blank line + ) + /g,hashElement); + */ + text = text.replace(/\n[ ]{0,3}((<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g, hashElement); + + // Special case for standalone HTML comments: + + /* + text = text.replace(/ + \n\n // Starting after a blank line + [ ]{0,3} // attacklab: g_tab_width - 1 + ( // save in $1 + -]|-[^>])(?:[^-]|-[^-])*)--) // see http://www.w3.org/TR/html-markup/syntax.html#comments and http://meta.stackoverflow.com/q/95256 + > + [ \t]* + (?=\n{2,}) // followed by a blank line + ) + /g,hashElement); + */ + text = text.replace(/\n\n[ ]{0,3}(-]|-[^>])(?:[^-]|-[^-])*)--)>[ \t]*(?=\n{2,}))/g, hashElement); + + // PHP and ASP-style processor instructions ( and <%...%>) + + /* + text = text.replace(/ + (?: + \n\n // Starting after a blank line + ) + ( // save in $1 + [ ]{0,3} // attacklab: g_tab_width - 1 + (?: + <([?%]) // $2 + [^\r]*? + \2> + ) + [ \t]* + (?=\n{2,}) // followed by a blank line + ) + /g,hashElement); + */ + text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g, hashElement); + + return text; + } + + function hashElement(wholeMatch, m1) { + var blockText = m1; + + // Undo double lines + blockText = blockText.replace(/^\n+/, ""); + + // strip trailing blank lines + blockText = blockText.replace(/\n+$/g, ""); + + // Replace the element text with a marker ("~KxK" where x is its key) + blockText = "\n\n~K" + (g_html_blocks.push(blockText) - 1) + "K\n\n"; + + return blockText; + } + + function _RunBlockGamut(text, doNotUnhash) { + // + // These are all the transformations that form block-level + // tags like paragraphs, headers, and list items. + // + text = _DoHeaders(text); + + // Do Horizontal Rules: + var replacement = "
\n"; + text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm, replacement); + text = text.replace(/^[ ]{0,2}([ ]?-[ ]?){3,}[ \t]*$/gm, replacement); + text = text.replace(/^[ ]{0,2}([ ]?_[ ]?){3,}[ \t]*$/gm, replacement); + + text = _DoLists(text); + text = _DoCodeBlocks(text); + text = _DoBlockQuotes(text); + + // We already ran _HashHTMLBlocks() before, in Markdown(), but that + // was to escape raw HTML in the original Markdown source. This time, + // we're escaping the markup we've just created, so that we don't wrap + //
tags around block-level tags.
+ text = _HashHTMLBlocks(text);
+ text = _FormParagraphs(text, doNotUnhash);
+
+ return text;
+ }
+
+ function _RunSpanGamut(text) {
+ //
+ // These are all the transformations that occur *within* block-level
+ // tags like paragraphs, headers, and list items.
+ //
+
+ text = _DoCodeSpans(text);
+ text = _EscapeSpecialCharsWithinTagAttributes(text);
+ text = _EncodeBackslashEscapes(text);
+
+ // Process anchor and image tags. Images must come first,
+ // because ![foo][f] looks like an anchor.
+ text = _DoImages(text);
+ text = _DoAnchors(text);
+
+ // Make links out of things like ` Just type tags
+ //
+
+ // Strip leading and trailing lines:
+ text = text.replace(/^\n+/g, "");
+ text = text.replace(/\n+$/g, "");
+
+ var grafs = text.split(/\n{2,}/g);
+ var grafsOut = [];
+
+ var markerRe = /~K(\d+)K/;
+
+ //
+ // Wrap tags.
+ //
+ var end = grafs.length;
+ for (var i = 0; i < end; i++) {
+ var str = grafs[i];
+
+ // if this is an HTML marker, copy it
+ if (markerRe.test(str)) {
+ grafsOut.push(str);
+ }
+ else if (/\S/.test(str)) {
+ str = _RunSpanGamut(str);
+ str = str.replace(/^([ \t]*)/g, " ");
+ str += " http://example.com/ \"optional title\" http://example.com/images/diagram.jpg \"optional title\" One fine body… {{repo.description}}
+
+
+
\n");
+
+ return text;
+ }
+
+ function _EscapeSpecialCharsWithinTagAttributes(text) {
+ //
+ // Within tags -- meaning between < and > -- encode [\ ` * _] so they
+ // don't conflict with their use in Markdown for code, italics and strong.
+ //
+
+ // Build a regex to find HTML tags and comments. See Friedl's
+ // "Mastering Regular Expressions", 2nd Ed., pp. 200-201.
+
+ // SE: changed the comment part of the regex
+
+ var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|-]|-[^>])(?:[^-]|-[^-])*)--)>)/gi;
+
+ text = text.replace(regex, function (wholeMatch) {
+ var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g, "$1`");
+ tag = escapeCharacters(tag, wholeMatch.charAt(1) == "!" ? "\\`*_/" : "\\`*_"); // also escape slashes in comments to prevent autolinking there -- http://meta.stackoverflow.com/questions/95987
+ return tag;
+ });
+
+ return text;
+ }
+
+ function _DoAnchors(text) {
+ //
+ // Turn Markdown link shortcuts into XHTML tags.
+ //
+ //
+ // First, handle reference-style links: [link text] [id]
+ //
+
+ /*
+ text = text.replace(/
+ ( // wrap whole match in $1
+ \[
+ (
+ (?:
+ \[[^\]]*\] // allow brackets nested one level
+ |
+ [^\[] // or anything else
+ )*
+ )
+ \]
+
+ [ ]? // one optional space
+ (?:\n[ ]*)? // one optional newline followed by spaces
+
+ \[
+ (.*?) // id = $3
+ \]
+ )
+ ()()()() // pad remaining backreferences
+ /g, writeAnchorTag);
+ */
+ text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g, writeAnchorTag);
+
+ //
+ // Next, inline-style links: [link text](url "optional title")
+ //
+
+ /*
+ text = text.replace(/
+ ( // wrap whole match in $1
+ \[
+ (
+ (?:
+ \[[^\]]*\] // allow brackets nested one level
+ |
+ [^\[\]] // or anything else
+ )*
+ )
+ \]
+ \( // literal paren
+ [ \t]*
+ () // no id, so leave $3 empty
+ ?
+ [ \t]*
+ ( // $5
+ (['"]) // quote char = $6
+ (.*?) // Title = $7
+ \6 // matching quote
+ [ \t]* // ignore any spaces/tabs between closing quote and )
+ )? // title is optional
+ \)
+ )
+ /g, writeAnchorTag);
+ */
+
+ text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g, writeAnchorTag);
+
+ //
+ // Last, handle reference-style shortcuts: [link text]
+ // These must come last in case you've also got [link test][1]
+ // or [link test](/foo)
+ //
+
+ /*
+ text = text.replace(/
+ ( // wrap whole match in $1
+ \[
+ ([^\[\]]+) // link text = $2; can't contain '[' or ']'
+ \]
+ )
+ ()()()()() // pad rest of backreferences
+ /g, writeAnchorTag);
+ */
+ text = text.replace(/(\[([^\[\]]+)\])()()()()()/g, writeAnchorTag);
+
+ return text;
+ }
+
+ function writeAnchorTag(wholeMatch, m1, m2, m3, m4, m5, m6, m7) {
+ if (m7 == undefined) m7 = "";
+ var whole_match = m1;
+ var link_text = m2.replace(/:\/\//g, "~P"); // to prevent auto-linking withing the link. will be converted back after the auto-linker runs
+ var link_id = m3.toLowerCase();
+ var url = m4;
+ var title = m7;
+
+ if (url == "") {
+ if (link_id == "") {
+ // lower-case and turn embedded newlines into spaces
+ link_id = link_text.toLowerCase().replace(/ ?\n/g, " ");
+ }
+ url = "#" + link_id;
+
+ if (g_urls.get(link_id) != undefined) {
+ url = g_urls.get(link_id);
+ if (g_titles.get(link_id) != undefined) {
+ title = g_titles.get(link_id);
+ }
+ }
+ else {
+ if (whole_match.search(/\(\s*\)$/m) > -1) {
+ // Special case for explicit empty url
+ url = "";
+ } else {
+ return whole_match;
+ }
+ }
+ }
+ url = encodeProblemUrlChars(url);
+ url = escapeCharacters(url, "*_");
+ var result = "";
+
+ return result;
+ }
+
+ function _DoImages(text) {
+ //
+ // Turn Markdown image shortcuts into tags.
+ //
+
+ //
+ // First, handle reference-style labeled images: ![alt text][id]
+ //
+
+ /*
+ text = text.replace(/
+ ( // wrap whole match in $1
+ !\[
+ (.*?) // alt text = $2
+ \]
+
+ [ ]? // one optional space
+ (?:\n[ ]*)? // one optional newline followed by spaces
+
+ \[
+ (.*?) // id = $3
+ \]
+ )
+ ()()()() // pad rest of backreferences
+ /g, writeImageTag);
+ */
+ text = text.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g, writeImageTag);
+
+ //
+ // Next, handle inline images: 
+ // Don't forget: encode * and _
+
+ /*
+ text = text.replace(/
+ ( // wrap whole match in $1
+ !\[
+ (.*?) // alt text = $2
+ \]
+ \s? // One optional whitespace character
+ \( // literal paren
+ [ \t]*
+ () // no id, so leave $3 empty
+ ? // src url = $4
+ [ \t]*
+ ( // $5
+ (['"]) // quote char = $6
+ (.*?) // title = $7
+ \6 // matching quote
+ [ \t]*
+ )? // title is optional
+ \)
+ )
+ /g, writeImageTag);
+ */
+ text = text.replace(/(!\[(.*?)\]\s?\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g, writeImageTag);
+
+ return text;
+ }
+
+ function attributeEncode(text) {
+ // unconditionally replace angle brackets here -- what ends up in an attribute (e.g. alt or title)
+ // never makes sense to have verbatim HTML in it (and the sanitizer would totally break it)
+ return text.replace(/>/g, ">").replace(/" + _RunSpanGamut(m1) + "\n\n"; }
+ );
+
+ text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,
+ function (matchFound, m1) { return "
" + _RunSpanGamut(m1) + "
\n\n"; }
+ );
+
+ // atx-style headers:
+ // # Header 1
+ // ## Header 2
+ // ## Header 2 with closing hashes ##
+ // ...
+ // ###### Header 6
+ //
+
+ /*
+ text = text.replace(/
+ ^(\#{1,6}) // $1 = string of #'s
+ [ \t]*
+ (.+?) // $2 = Header text
+ [ \t]*
+ \#* // optional closing #'s (not counted)
+ \n+
+ /gm, function() {...});
+ */
+
+ text = text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,
+ function (wholeMatch, m1, m2) {
+ var h_level = m1.length;
+ return "` blocks.
+ //
+
+ /*
+ text = text.replace(/
+ (?:\n\n|^)
+ ( // $1 = the code block -- one or more lines, starting with a space/tab
+ (?:
+ (?:[ ]{4}|\t) // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
+ .*\n+
+ )+
+ )
+ (\n*[ ]{0,3}[^ \t\n]|(?=~0)) // attacklab: g_tab_width
+ /g ,function(){...});
+ */
+
+ // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
+ text += "~0";
+
+ text = text.replace(/(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,
+ function (wholeMatch, m1, m2) {
+ var codeblock = m1;
+ var nextChar = m2;
+
+ codeblock = _EncodeCode(_Outdent(codeblock));
+ codeblock = _Detab(codeblock);
+ codeblock = codeblock.replace(/^\n+/g, ""); // trim leading newlines
+ codeblock = codeblock.replace(/\n+$/g, ""); // trim trailing whitespace
+
+ codeblock = '
';
+
+ return "\n\n" + codeblock + "\n\n" + nextChar;
+ }
+ );
+
+ // attacklab: strip sentinel
+ text = text.replace(/~0/, "");
+
+ return text;
+ }
+
+ function hashBlock(text) {
+ text = text.replace(/(^\n+|\n+$)/g, "");
+ return "\n\n~K" + (g_html_blocks.push(text) - 1) + "K\n\n";
+ }
+
+ function _DoCodeSpans(text) {
+ //
+ // * Backtick quotes are used for ' + codeblock + '\n spans.
+ //
+ // * You can use multiple backticks as the delimiters if you want to
+ // include literal backticks in the code span. So, this input:
+ //
+ // Just type ``foo `bar` baz`` at the prompt.
+ //
+ // Will translate to:
+ //
+ // foo `bar` baz at the prompt.`bar` ...
+ //
+
+ /*
+ text = text.replace(/
+ (^|[^\\]) // Character before opening ` can't be a backslash
+ (`+) // $2 = Opening run of `
+ ( // $3 = The code block
+ [^\r]*?
+ [^`] // attacklab: work around lack of lookbehind
+ )
+ \2 // Matching closer
+ (?!`)
+ /gm, function(){...});
+ */
+
+ text = text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
+ function (wholeMatch, m1, m2, m3, m4) {
+ var c = m3;
+ c = c.replace(/^([ \t]*)/g, ""); // leading whitespace
+ c = c.replace(/[ \t]*$/g, ""); // trailing whitespace
+ c = _EncodeCode(c);
+ c = c.replace(/:\/\//g, "~P"); // to prevent auto-linking. Not necessary in code *blocks*, but in code spans. Will be converted back after the auto-linker runs.
+ return m1 + "" + c + "";
+ }
+ );
+
+ return text;
+ }
+
+ function _EncodeCode(text) {
+ //
+ // Encode/escape certain characters inside Markdown code runs.
+ // The point is that in code, these characters are literals,
+ // and lose their special Markdown meanings.
+ //
+ // Encode all ampersands; HTML entities are not
+ // entities within a Markdown code span.
+ text = text.replace(/&/g, "&");
+
+ // Do the angle bracket song and dance:
+ text = text.replace(//g, ">");
+
+ // Now, escape characters that are magic in Markdown:
+ text = escapeCharacters(text, "\*_{}[]\\", false);
+
+ // jj the line above breaks this:
+ //---
+
+ //* Item
+
+ // 1. Subitem
+
+ // special char: *
+ //---
+
+ return text;
+ }
+
+ function _DoItalicsAndBold(text) {
+
+ // must go first:
+ text = text.replace(/([\W_]|^)(\*\*|__)(?=\S)([^\r]*?\S[\*_]*)\2([\W_]|$)/g,
+ "$1$3$4");
+
+ text = text.replace(/([\W_]|^)(\*|_)(?=\S)([^\r\*_]*?\S)\2([\W_]|$)/g,
+ "$1$3$4");
+
+ return text;
+ }
+
+ function _DoBlockQuotes(text) {
+
+ /*
+ text = text.replace(/
+ ( // Wrap whole match in $1
+ (
+ ^[ \t]*>[ \t]? // '>' at the start of a line
+ .+\n // rest of the first line
+ (.+\n)* // subsequent consecutive lines
+ \n* // blanks
+ )+
+ )
+ /gm, function(){...});
+ */
+
+ text = text.replace(/((^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+)/gm,
+ function (wholeMatch, m1) {
+ var bq = m1;
+
+ // attacklab: hack around Konqueror 3.5.4 bug:
+ // "----------bug".replace(/^-/g,"") == "bug"
+
+ bq = bq.replace(/^[ \t]*>[ \t]?/gm, "~0"); // trim one level of quoting
+
+ // attacklab: clean up hack
+ bq = bq.replace(/~0/g, "");
+
+ bq = bq.replace(/^[ \t]+$/gm, ""); // trim whitespace-only lines
+ bq = _RunBlockGamut(bq); // recurse
+
+ bq = bq.replace(/(^|\n)/g, "$1 ");
+ // These leading spaces screw with content, so we need to fix that:
+ bq = bq.replace(
+ /(\s*
[^\r]+?<\/pre>)/gm,
+ function (wholeMatch, m1) {
+ var pre = m1;
+ // attacklab: hack around Konqueror 3.5.4 bug:
+ pre = pre.replace(/^ /mg, "~0");
+ pre = pre.replace(/~0/g, "");
+ return pre;
+ });
+
+ return hashBlock("\n" + bq + "\n
");
+ }
+ );
+ return text;
+ }
+
+ function _FormParagraphs(text, doNotUnhash) {
+ //
+ // Params:
+ // $text - string to process with html Modal header
+ // '+title+'
';
+ dialog.appendChild(header);
+
+ // The body.
+ var body = doc.createElement("div");
+ body.className = "modal-body";
+ dialog.appendChild(body);
+
+ // The footer.
+ var footer = doc.createElement("div");
+ footer.className = "modal-footer";
+ dialog.appendChild(footer);
+
+ // The dialog text.
+ var question = doc.createElement("p");
+ question.innerHTML = text;
+ question.style.padding = "5px";
+ body.appendChild(question);
+
+ // The web form container for the text box and buttons.
+ var form = doc.createElement("form"),
+ style = form.style;
+ form.onsubmit = function () { return close(false); };
+ style.padding = "0";
+ style.margin = "0";
+ body.appendChild(form);
+
+ // The input text box
+ input = doc.createElement("input");
+ input.type = "text";
+ input.value = defaultInputText;
+ style = input.style;
+ style.display = "block";
+ style.width = "80%";
+ style.marginLeft = style.marginRight = "auto";
+ form.appendChild(input);
+
+ // The ok button
+ var okButton = doc.createElement("button");
+ okButton.className = "btn btn-primary";
+ okButton.type = "button";
+ okButton.onclick = function () { return close(false); };
+ okButton.innerHTML = "OK";
+
+ // The cancel button
+ var cancelButton = doc.createElement("button");
+ cancelButton.className = "btn btn-primary";
+ cancelButton.type = "button";
+ cancelButton.onclick = function () { return close(true); };
+ cancelButton.innerHTML = "Cancel";
+
+ footer.appendChild(okButton);
+ footer.appendChild(cancelButton);
+
+ util.addEvent(doc.body, "keydown", checkEscape);
+
+ doc.body.appendChild(dialog);
+
+ };
+
+ // Why is this in a zero-length timeout?
+ // Is it working around a browser bug?
+ setTimeout(function () {
+
+ createDialog();
+
+ var defTextLen = defaultInputText.length;
+ if (input.selectionStart !== undefined) {
+ input.selectionStart = 0;
+ input.selectionEnd = defTextLen;
+ }
+ else if (input.createTextRange) {
+ var range = input.createTextRange();
+ range.collapse(false);
+ range.moveStart("character", -defTextLen);
+ range.moveEnd("character", defTextLen);
+ range.select();
+ }
+
+ $(dialog).on('shown', function () {
+ input.focus();
+ })
+
+ $(dialog).on('hidden', function () {
+ dialog.parentNode.removeChild(dialog);
+ })
+
+ $(dialog).modal()
+
+ }, 0);
+ };
+
+ function UIManager(postfix, panels, undoManager, previewManager, commandManager, helpOptions) {
+
+ var inputBox = panels.input,
+ buttons = {}; // buttons.undo, buttons.link, etc. The actual DOM elements.
+
+ makeSpritedButtonRow();
+
+ var keyEvent = "keydown";
+ if (uaSniffed.isOpera) {
+ keyEvent = "keypress";
+ }
+
+ util.addEvent(inputBox, keyEvent, function (key) {
+
+ // Check to see if we have a button key and, if so execute the callback.
+ if ((key.ctrlKey || key.metaKey) && !key.altKey && !key.shiftKey) {
+
+ var keyCode = key.charCode || key.keyCode;
+ var keyCodeStr = String.fromCharCode(keyCode).toLowerCase();
+
+ switch (keyCodeStr) {
+ case "b":
+ doClick(buttons.bold);
+ break;
+ case "i":
+ doClick(buttons.italic);
+ break;
+ case "l":
+ doClick(buttons.link);
+ break;
+ case "q":
+ doClick(buttons.quote);
+ break;
+ case "k":
+ doClick(buttons.code);
+ break;
+ case "g":
+ doClick(buttons.image);
+ break;
+ case "o":
+ doClick(buttons.olist);
+ break;
+ case "u":
+ doClick(buttons.ulist);
+ break;
+ case "h":
+ doClick(buttons.heading);
+ break;
+ case "r":
+ doClick(buttons.hr);
+ break;
+ case "y":
+ doClick(buttons.redo);
+ break;
+ case "z":
+ if (key.shiftKey) {
+ doClick(buttons.redo);
+ }
+ else {
+ doClick(buttons.undo);
+ }
+ break;
+ default:
+ return;
+ }
+
+
+ if (key.preventDefault) {
+ key.preventDefault();
+ }
+
+ if (window.event) {
+ window.event.returnValue = false;
+ }
+ }
+ });
+
+ // Auto-indent on shift-enter
+ util.addEvent(inputBox, "keyup", function (key) {
+ if (key.shiftKey && !key.ctrlKey && !key.metaKey) {
+ var keyCode = key.charCode || key.keyCode;
+ // Character 13 is Enter
+ if (keyCode === 13) {
+ var fakeButton = {};
+ fakeButton.textOp = bindCommand("doAutoindent");
+ doClick(fakeButton);
+ }
+ }
+ });
+
+ // special handler because IE clears the context of the textbox on ESC
+ if (uaSniffed.isIE) {
+ util.addEvent(inputBox, "keydown", function (key) {
+ var code = key.keyCode;
+ if (code === 27) {
+ return false;
+ }
+ });
+ }
+
+
+ // Perform the button's action.
+ function doClick(button) {
+
+ inputBox.focus();
+
+ if (button.textOp) {
+
+ if (undoManager) {
+ undoManager.setCommandMode();
+ }
+
+ var state = new TextareaState(panels);
+
+ if (!state) {
+ return;
+ }
+
+ var chunks = state.getChunks();
+
+ // Some commands launch a "modal" prompt dialog. Javascript
+ // can't really make a modal dialog box and the WMD code
+ // will continue to execute while the dialog is displayed.
+ // This prevents the dialog pattern I'm used to and means
+ // I can't do something like this:
+ //
+ // var link = CreateLinkDialog();
+ // makeMarkdownLink(link);
+ //
+ // Instead of this straightforward method of handling a
+ // dialog I have to pass any code which would execute
+ // after the dialog is dismissed (e.g. link creation)
+ // in a function parameter.
+ //
+ // Yes this is awkward and I think it sucks, but there's
+ // no real workaround. Only the image and link code
+ // create dialogs and require the function pointers.
+ var fixupInputArea = function () {
+
+ inputBox.focus();
+
+ if (chunks) {
+ state.setChunks(chunks);
+ }
+
+ state.restore();
+ previewManager.refresh();
+ };
+
+ var noCleanup = button.textOp(chunks, fixupInputArea);
+
+ if (!noCleanup) {
+ fixupInputArea();
+ }
+
+ }
+
+ if (button.execute) {
+ button.execute(undoManager);
+ }
+ };
+
+ function setupButton(button, isEnabled) {
+
+ if (isEnabled) {
+ button.disabled = false;
+
+ if (!button.isHelp) {
+ button.onclick = function () {
+ if (this.onmouseout) {
+ this.onmouseout();
+ }
+ doClick(this);
+ return false;
+ }
+ }
+ }
+ else {
+ button.disabled = true;
+ }
+ }
+
+ function bindCommand(method) {
+ if (typeof method === "string")
+ method = commandManager[method];
+ return function () { method.apply(commandManager, arguments); }
+ }
+
+ function makeSpritedButtonRow() {
+
+ var buttonBar = panels.buttonBar;
+ var buttonRow = document.createElement("div");
+ buttonRow.id = "wmd-button-row" + postfix;
+ buttonRow.className = 'btn-toolbar';
+ buttonRow = buttonBar.appendChild(buttonRow);
+
+ var makeButton = function (id, title, icon, textOp, group) {
+ var button = document.createElement("button");
+ button.className = "btn";
+ var buttonImage = document.createElement("i");
+ buttonImage.className = icon;
+ button.id = id + postfix;
+ button.appendChild(buttonImage);
+ button.title = title;
+ $(button).tooltip({placement: 'bottom'})
+ if (textOp)
+ button.textOp = textOp;
+ setupButton(button, true);
+ if (group) {
+ group.appendChild(button);
+ } else {
+ buttonRow.appendChild(button);
+ }
+ return button;
+ };
+ var makeGroup = function (num) {
+ var group = document.createElement("div");
+ group.className = "btn-group wmd-button-group" + num;
+ group.id = "wmd-button-group" + num + postfix;
+ buttonRow.appendChild(group);
+ return group
+ }
+
+ group1 = makeGroup(1);
+ buttons.bold = makeButton("wmd-bold-button", "Bold - Ctrl+B", "icon-bold", bindCommand("doBold"), group1);
+ buttons.italic = makeButton("wmd-italic-button", "Italic - Ctrl+I", "icon-italic", bindCommand("doItalic"), group1);
+
+ group2 = makeGroup(2);
+ /*
+ buttons.link = makeButton("wmd-link-button", "Link - Ctrl+L", "icon-link", bindCommand(function (chunk, postProcessing) {
+ return this.doLinkOrImage(chunk, postProcessing, false);
+ }), group2);
+ */
+ buttons.quote = makeButton("wmd-quote-button", "Blockquote - Ctrl+Q", "icon-quote-left", bindCommand("doBlockquote"), group2);
+ buttons.code = makeButton("wmd-code-button", "Code Sample - Ctrl+K", "icon-code", bindCommand("doCode"), group2);
+ /*
+ buttons.image = makeButton("wmd-image-button", "Image - Ctrl+G", "icon-picture", bindCommand(function (chunk, postProcessing) {
+ return this.doLinkOrImage(chunk, postProcessing, true);
+ }), group2);
+ */
+
+ group3 = makeGroup(3);
+ buttons.olist = makeButton("wmd-olist-button", "Numbered List - Ctrl+O", "icon-list", bindCommand(function (chunk, postProcessing) {
+ this.doList(chunk, postProcessing, true);
+ }), group3);
+ buttons.ulist = makeButton("wmd-ulist-button", "Bulleted List - Ctrl+U", "icon-list-ul", bindCommand(function (chunk, postProcessing) {
+ this.doList(chunk, postProcessing, false);
+ }), group3);
+ buttons.heading = makeButton("wmd-heading-button", "Heading - Ctrl+H", "icon-tasks", bindCommand("doHeading"), group3);
+ buttons.hr = makeButton("wmd-hr-button", "Horizontal Rule - Ctrl+R", "icon-minus", bindCommand("doHorizontalRule"), group3);
+
+ group4 = makeGroup(4);
+ buttons.undo = makeButton("wmd-undo-button", "Undo - Ctrl+Z", "icon-undo", null, group4);
+ buttons.undo.execute = function (manager) { if (manager) manager.undo(); };
+
+ var redoTitle = /win/.test(nav.platform.toLowerCase()) ?
+ "Redo - Ctrl+Y" :
+ "Redo - Ctrl+Shift+Z"; // mac and other non-Windows platforms
+
+ buttons.redo = makeButton("wmd-redo-button", redoTitle, "icon-share-alt", null, group4);
+ buttons.redo.execute = function (manager) { if (manager) manager.redo(); };
+
+ if (helpOptions) {
+ group5 = makeGroup(5);
+ group5.className = group5.className + " pull-right";
+ var helpButton = document.createElement("button");
+ var helpButtonImage = document.createElement("i");
+ helpButtonImage.className = "icon-question-sign";
+ helpButton.appendChild(helpButtonImage);
+ helpButton.className = "btn";
+ helpButton.id = "wmd-help-button" + postfix;
+ helpButton.isHelp = true;
+ helpButton.title = helpOptions.title || defaultHelpHoverTitle;
+ $(helpButton).tooltip({placement: 'bottom'})
+ helpButton.onclick = helpOptions.handler;
+
+ setupButton(helpButton, true);
+ group5.appendChild(helpButton);
+ buttons.help = helpButton;
+ }
+
+ setUndoRedoButtonStates();
+ }
+
+ function setUndoRedoButtonStates() {
+ if (undoManager) {
+ setupButton(buttons.undo, undoManager.canUndo());
+ setupButton(buttons.redo, undoManager.canRedo());
+ }
+ };
+
+ this.setUndoRedoButtonStates = setUndoRedoButtonStates;
+
+ }
+
+ function CommandManager(pluginHooks) {
+ this.hooks = pluginHooks;
+ }
+
+ var commandProto = CommandManager.prototype;
+
+ // The markdown symbols - 4 spaces = code, > = blockquote, etc.
+ commandProto.prefixes = "(?:\\s{4,}|\\s*>|\\s*-\\s+|\\s*\\d+\\.|=|\\+|-|_|\\*|#|\\s*\\[[^\n]]+\\]:)";
+
+ // Remove markdown symbols from the chunk selection.
+ commandProto.unwrap = function (chunk) {
+ var txt = new re("([^\\n])\\n(?!(\\n|" + this.prefixes + "))", "g");
+ chunk.selection = chunk.selection.replace(txt, "$1 $2");
+ };
+
+ commandProto.wrap = function (chunk, len) {
+ this.unwrap(chunk);
+ var regex = new re("(.{1," + len + "})( +|$\\n?)", "gm"),
+ that = this;
+
+ chunk.selection = chunk.selection.replace(regex, function (line, marked) {
+ if (new re("^" + that.prefixes, "").test(line)) {
+ return line;
+ }
+ return marked + "\n";
+ });
+
+ chunk.selection = chunk.selection.replace(/\s+$/, "");
+ };
+
+ commandProto.doBold = function (chunk, postProcessing) {
+ return this.doBorI(chunk, postProcessing, 2, "strong text");
+ };
+
+ commandProto.doItalic = function (chunk, postProcessing) {
+ return this.doBorI(chunk, postProcessing, 1, "emphasized text");
+ };
+
+ // chunk: The selected region that will be enclosed with */**
+ // nStars: 1 for italics, 2 for bold
+ // insertText: If you just click the button without highlighting text, this gets inserted
+ commandProto.doBorI = function (chunk, postProcessing, nStars, insertText) {
+
+ // Get rid of whitespace and fixup newlines.
+ chunk.trimWhitespace();
+ chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n");
+
+ // Look for stars before and after. Is the chunk already marked up?
+ // note that these regex matches cannot fail
+ var starsBefore = /(\**$)/.exec(chunk.before)[0];
+ var starsAfter = /(^\**)/.exec(chunk.after)[0];
+
+ var prevStars = Math.min(starsBefore.length, starsAfter.length);
+
+ // Remove stars if we have to since the button acts as a toggle.
+ if ((prevStars >= nStars) && (prevStars != 2 || nStars != 1)) {
+ chunk.before = chunk.before.replace(re("[*]{" + nStars + "}$", ""), "");
+ chunk.after = chunk.after.replace(re("^[*]{" + nStars + "}", ""), "");
+ }
+ else if (!chunk.selection && starsAfter) {
+ // It's not really clear why this code is necessary. It just moves
+ // some arbitrary stuff around.
+ chunk.after = chunk.after.replace(/^([*_]*)/, "");
+ chunk.before = chunk.before.replace(/(\s?)$/, "");
+ var whitespace = re.$1;
+ chunk.before = chunk.before + starsAfter + whitespace;
+ }
+ else {
+
+ // In most cases, if you don't have any selected text and click the button
+ // you'll get a selected, marked up region with the default text inserted.
+ if (!chunk.selection && !starsAfter) {
+ chunk.selection = insertText;
+ }
+
+ // Add the true markup.
+ var markup = nStars <= 1 ? "*" : "**"; // shouldn't the test be = ?
+ chunk.before = chunk.before + markup;
+ chunk.after = markup + chunk.after;
+ }
+
+ return;
+ };
+
+ commandProto.stripLinkDefs = function (text, defsToAdd) {
+
+ text = text.replace(/^[ ]{0,3}\[(\d+)\]:[ \t]*\n?[ \t]*?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|$)/gm,
+ function (totalMatch, id, link, newlines, title) {
+ defsToAdd[id] = totalMatch.replace(/\s*$/, "");
+ if (newlines) {
+ // Strip the title and return that separately.
+ defsToAdd[id] = totalMatch.replace(/["(](.+?)[")]$/, "");
+ return newlines + title;
+ }
+ return "";
+ });
+
+ return text;
+ };
+
+ commandProto.addLinkDef = function (chunk, linkDef) {
+
+ var refNumber = 0; // The current reference number
+ var defsToAdd = {}; //
+ // Start with a clean slate by removing all previous link definitions.
+ chunk.before = this.stripLinkDefs(chunk.before, defsToAdd);
+ chunk.selection = this.stripLinkDefs(chunk.selection, defsToAdd);
+ chunk.after = this.stripLinkDefs(chunk.after, defsToAdd);
+
+ var defs = "";
+ var regex = /(\[)((?:\[[^\]]*\]|[^\[\]])*)(\][ ]?(?:\n[ ]*)?\[)(\d+)(\])/g;
+
+ var addDefNumber = function (def) {
+ refNumber++;
+ def = def.replace(/^[ ]{0,3}\[(\d+)\]:/, " [" + refNumber + "]:");
+ defs += "\n" + def;
+ };
+
+ // note that
+ // a) the recursive call to getLink cannot go infinite, because by definition
+ // of regex, inner is always a proper substring of wholeMatch, and
+ // b) more than one level of nesting is neither supported by the regex
+ // nor making a lot of sense (the only use case for nesting is a linked image)
+ var getLink = function (wholeMatch, before, inner, afterInner, id, end) {
+ inner = inner.replace(regex, getLink);
+ if (defsToAdd[id]) {
+ addDefNumber(defsToAdd[id]);
+ return before + inner + afterInner + refNumber + end;
+ }
+ return wholeMatch;
+ };
+
+ chunk.before = chunk.before.replace(regex, getLink);
+
+ if (linkDef) {
+ addDefNumber(linkDef);
+ }
+ else {
+ chunk.selection = chunk.selection.replace(regex, getLink);
+ }
+
+ var refOut = refNumber;
+
+ chunk.after = chunk.after.replace(regex, getLink);
+
+ if (chunk.after) {
+ chunk.after = chunk.after.replace(/\n*$/, "");
+ }
+ if (!chunk.after) {
+ chunk.selection = chunk.selection.replace(/\n*$/, "");
+ }
+
+ chunk.after += "\n\n" + defs;
+
+ return refOut;
+ };
+
+ // takes the line as entered into the add link/as image dialog and makes
+ // sure the URL and the optinal title are "nice".
+ function properlyEncoded(linkdef) {
+ return linkdef.replace(/^\s*(.*?)(?:\s+"(.+)")?\s*$/, function (wholematch, link, title) {
+ link = link.replace(/\?.*$/, function (querypart) {
+ return querypart.replace(/\+/g, " "); // in the query string, a plus and a space are identical
+ });
+ link = decodeURIComponent(link); // unencode first, to prevent double encoding
+ link = encodeURI(link).replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29');
+ link = link.replace(/\?.*$/, function (querypart) {
+ return querypart.replace(/\+/g, "%2b"); // since we replaced plus with spaces in the query part, all pluses that now appear where originally encoded
+ });
+ if (title) {
+ title = title.trim ? title.trim() : title.replace(/^\s*/, "").replace(/\s*$/, "");
+ title = $.trim(title).replace(/"/g, "quot;").replace(/\(/g, "(").replace(/\)/g, ")").replace(//g, ">");
+ }
+ return title ? link + ' "' + title + '"' : link;
+ });
+ }
+
+ commandProto.doLinkOrImage = function (chunk, postProcessing, isImage) {
+
+ chunk.trimWhitespace();
+ chunk.findTags(/\s*!?\[/, /\][ ]?(?:\n[ ]*)?(\[.*?\])?/);
+ var background;
+
+ if (chunk.endTag.length > 1 && chunk.startTag.length > 0) {
+
+ chunk.startTag = chunk.startTag.replace(/!?\[/, "");
+ chunk.endTag = "";
+ this.addLinkDef(chunk, null);
+
+ }
+ else {
+
+ // We're moving start and end tag back into the selection, since (as we're in the else block) we're not
+ // *removing* a link, but *adding* one, so whatever findTags() found is now back to being part of the
+ // link text. linkEnteredCallback takes care of escaping any brackets.
+ chunk.selection = chunk.startTag + chunk.selection + chunk.endTag;
+ chunk.startTag = chunk.endTag = "";
+
+ if (/\n\n/.test(chunk.selection)) {
+ this.addLinkDef(chunk, null);
+ return;
+ }
+ var that = this;
+ // The function to be executed when you enter a link and press OK or Cancel.
+ // Marks up the link and adds the ref.
+ var linkEnteredCallback = function (link) {
+
+ if (link !== null) {
+ // ( $1
+ // [^\\] anything that's not a backslash
+ // (?:\\\\)* an even number (this includes zero) of backslashes
+ // )
+ // (?= followed by
+ // [[\]] an opening or closing bracket
+ // )
+ //
+ // In other words, a non-escaped bracket. These have to be escaped now to make sure they
+ // don't count as the end of the link or similar.
+ // Note that the actual bracket has to be a lookahead, because (in case of to subsequent brackets),
+ // the bracket in one match may be the "not a backslash" character in the next match, so it
+ // should not be consumed by the first match.
+ // The "prepend a space and finally remove it" steps makes sure there is a "not a backslash" at the
+ // start of the string, so this also works if the selection begins with a bracket. We cannot solve
+ // this by anchoring with ^, because in the case that the selection starts with two brackets, this
+ // would mean a zero-width match at the start. Since zero-width matches advance the string position,
+ // the first bracket could then not act as the "not a backslash" for the second.
+ chunk.selection = (" " + chunk.selection).replace(/([^\\](?:\\\\)*)(?=[[\]])/g, "$1\\").substr(1);
+
+ var linkDef = " [999]: " + properlyEncoded(link);
+
+ var num = that.addLinkDef(chunk, linkDef);
+ chunk.startTag = isImage ? "![" : "[";
+ chunk.endTag = "][" + num + "]";
+
+ if (!chunk.selection) {
+ if (isImage) {
+ chunk.selection = "enter image description here";
+ }
+ else {
+ chunk.selection = "enter link description here";
+ }
+ }
+ }
+ postProcessing();
+ };
+
+
+ if (isImage) {
+ if (!this.hooks.insertImageDialog(linkEnteredCallback))
+ ui.prompt('Insert Image', imageDialogText, imageDefaultText, linkEnteredCallback);
+ }
+ else {
+ ui.prompt('Insert Link', linkDialogText, linkDefaultText, linkEnteredCallback);
+ }
+ return true;
+ }
+ };
+
+ // When making a list, hitting shift-enter will put your cursor on the next line
+ // at the current indent level.
+ commandProto.doAutoindent = function (chunk, postProcessing) {
+
+ var commandMgr = this,
+ fakeSelection = false;
+
+ chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]*\n$/, "\n\n");
+ chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}>[ \t]*\n$/, "\n\n");
+ chunk.before = chunk.before.replace(/(\n|^)[ \t]+\n$/, "\n\n");
+
+ // There's no selection, end the cursor wasn't at the end of the line:
+ // The user wants to split the current list item / code line / blockquote line
+ // (for the latter it doesn't really matter) in two. Temporarily select the
+ // (rest of the) line to achieve this.
+ if (!chunk.selection && !/^[ \t]*(?:\n|$)/.test(chunk.after)) {
+ chunk.after = chunk.after.replace(/^[^\n]*/, function (wholeMatch) {
+ chunk.selection = wholeMatch;
+ return "";
+ });
+ fakeSelection = true;
+ }
+
+ if (/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]+.*\n$/.test(chunk.before)) {
+ if (commandMgr.doList) {
+ commandMgr.doList(chunk);
+ }
+ }
+ if (/(\n|^)[ ]{0,3}>[ \t]+.*\n$/.test(chunk.before)) {
+ if (commandMgr.doBlockquote) {
+ commandMgr.doBlockquote(chunk);
+ }
+ }
+ if (/(\n|^)(\t|[ ]{4,}).*\n$/.test(chunk.before)) {
+ if (commandMgr.doCode) {
+ commandMgr.doCode(chunk);
+ }
+ }
+
+ if (fakeSelection) {
+ chunk.after = chunk.selection + chunk.after;
+ chunk.selection = "";
+ }
+ };
+
+ commandProto.doBlockquote = function (chunk, postProcessing) {
+
+ chunk.selection = chunk.selection.replace(/^(\n*)([^\r]+?)(\n*)$/,
+ function (totalMatch, newlinesBefore, text, newlinesAfter) {
+ chunk.before += newlinesBefore;
+ chunk.after = newlinesAfter + chunk.after;
+ return text;
+ });
+
+ chunk.before = chunk.before.replace(/(>[ \t]*)$/,
+ function (totalMatch, blankLine) {
+ chunk.selection = blankLine + chunk.selection;
+ return "";
+ });
+
+ chunk.selection = chunk.selection.replace(/^(\s|>)+$/, "");
+ chunk.selection = chunk.selection || "Blockquote";
+
+ // The original code uses a regular expression to find out how much of the
+ // text *directly before* the selection already was a blockquote:
+
+ /*
+ if (chunk.before) {
+ chunk.before = chunk.before.replace(/\n?$/, "\n");
+ }
+ chunk.before = chunk.before.replace(/(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*$)/,
+ function (totalMatch) {
+ chunk.startTag = totalMatch;
+ return "";
+ });
+ */
+
+ // This comes down to:
+ // Go backwards as many lines a possible, such that each line
+ // a) starts with ">", or
+ // b) is almost empty, except for whitespace, or
+ // c) is preceeded by an unbroken chain of non-empty lines
+ // leading up to a line that starts with ">" and at least one more character
+ // and in addition
+ // d) at least one line fulfills a)
+ //
+ // Since this is essentially a backwards-moving regex, it's susceptible to
+ // catstrophic backtracking and can cause the browser to hang;
+ // see e.g. http://meta.stackoverflow.com/questions/9807.
+ //
+ // Hence we replaced this by a simple state machine that just goes through the
+ // lines and checks for a), b), and c).
+
+ var match = "",
+ leftOver = "",
+ line;
+ if (chunk.before) {
+ var lines = chunk.before.replace(/\n$/, "").split("\n");
+ var inChain = false;
+ for (var i = 0; i < lines.length; i++) {
+ var good = false;
+ line = lines[i];
+ inChain = inChain && line.length > 0; // c) any non-empty line continues the chain
+ if (/^>/.test(line)) { // a)
+ good = true;
+ if (!inChain && line.length > 1) // c) any line that starts with ">" and has at least one more character starts the chain
+ inChain = true;
+ } else if (/^[ \t]*$/.test(line)) { // b)
+ good = true;
+ } else {
+ good = inChain; // c) the line is not empty and does not start with ">", so it matches if and only if we're in the chain
+ }
+ if (good) {
+ match += line + "\n";
+ } else {
+ leftOver += match + line;
+ match = "\n";
+ }
+ }
+ if (!/(^|\n)>/.test(match)) { // d)
+ leftOver += match;
+ match = "";
+ }
+ }
+
+ chunk.startTag = match;
+ chunk.before = leftOver;
+
+ // end of change
+
+ if (chunk.after) {
+ chunk.after = chunk.after.replace(/^\n?/, "\n");
+ }
+
+ chunk.after = chunk.after.replace(/^(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*)/,
+ function (totalMatch) {
+ chunk.endTag = totalMatch;
+ return "";
+ }
+ );
+
+ var replaceBlanksInTags = function (useBracket) {
+
+ var replacement = useBracket ? "> " : "";
+
+ if (chunk.startTag) {
+ chunk.startTag = chunk.startTag.replace(/\n((>|\s)*)\n$/,
+ function (totalMatch, markdown) {
+ return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n";
+ });
+ }
+ if (chunk.endTag) {
+ chunk.endTag = chunk.endTag.replace(/^\n((>|\s)*)\n/,
+ function (totalMatch, markdown) {
+ return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n";
+ });
+ }
+ };
+
+ if (/^(?![ ]{0,3}>)/m.test(chunk.selection)) {
+ this.wrap(chunk, SETTINGS.lineLength - 2);
+ chunk.selection = chunk.selection.replace(/^/gm, "> ");
+ replaceBlanksInTags(true);
+ chunk.skipLines();
+ } else {
+ chunk.selection = chunk.selection.replace(/^[ ]{0,3}> ?/gm, "");
+ this.unwrap(chunk);
+ replaceBlanksInTags(false);
+
+ if (!/^(\n|^)[ ]{0,3}>/.test(chunk.selection) && chunk.startTag) {
+ chunk.startTag = chunk.startTag.replace(/\n{0,2}$/, "\n\n");
+ }
+
+ if (!/(\n|^)[ ]{0,3}>.*$/.test(chunk.selection) && chunk.endTag) {
+ chunk.endTag = chunk.endTag.replace(/^\n{0,2}/, "\n\n");
+ }
+ }
+
+ chunk.selection = this.hooks.postBlockquoteCreation(chunk.selection);
+
+ if (!/\n/.test(chunk.selection)) {
+ chunk.selection = chunk.selection.replace(/^(> *)/,
+ function (wholeMatch, blanks) {
+ chunk.startTag += blanks;
+ return "";
+ });
+ }
+ };
+
+ commandProto.doCode = function (chunk, postProcessing) {
+
+ var hasTextBefore = /\S[ ]*$/.test(chunk.before);
+ var hasTextAfter = /^[ ]*\S/.test(chunk.after);
+
+ // Use 'four space' markdown if the selection is on its own
+ // line or is multiline.
+ if ((!hasTextAfter && !hasTextBefore) || /\n/.test(chunk.selection)) {
+
+ chunk.before = chunk.before.replace(/[ ]{4}$/,
+ function (totalMatch) {
+ chunk.selection = totalMatch + chunk.selection;
+ return "";
+ });
+
+ var nLinesBack = 1;
+ var nLinesForward = 1;
+
+ if (/(\n|^)(\t|[ ]{4,}).*\n$/.test(chunk.before)) {
+ nLinesBack = 0;
+ }
+ if (/^\n(\t|[ ]{4,})/.test(chunk.after)) {
+ nLinesForward = 0;
+ }
+
+ chunk.skipLines(nLinesBack, nLinesForward);
+
+ if (!chunk.selection) {
+ chunk.startTag = " ";
+ chunk.selection = "enter code here";
+ }
+ else {
+ if (/^[ ]{0,3}\S/m.test(chunk.selection)) {
+ if (/\n/.test(chunk.selection))
+ chunk.selection = chunk.selection.replace(/^/gm, " ");
+ else // if it's not multiline, do not select the four added spaces; this is more consistent with the doList behavior
+ chunk.before += " ";
+ }
+ else {
+ chunk.selection = chunk.selection.replace(/^[ ]{4}/gm, "");
+ }
+ }
+ }
+ else {
+ // Use backticks (`) to delimit the code block.
+
+ chunk.trimWhitespace();
+ chunk.findTags(/`/, /`/);
+
+ if (!chunk.startTag && !chunk.endTag) {
+ chunk.startTag = chunk.endTag = "`";
+ if (!chunk.selection) {
+ chunk.selection = "enter code here";
+ }
+ }
+ else if (chunk.endTag && !chunk.startTag) {
+ chunk.before += chunk.endTag;
+ chunk.endTag = "";
+ }
+ else {
+ chunk.startTag = chunk.endTag = "";
+ }
+ }
+ };
+
+ commandProto.doList = function (chunk, postProcessing, isNumberedList) {
+
+ // These are identical except at the very beginning and end.
+ // Should probably use the regex extension function to make this clearer.
+ var previousItemsRegex = /(\n|^)(([ ]{0,3}([*+-]|\d+[.])[ \t]+.*)(\n.+|\n{2,}([*+-].*|\d+[.])[ \t]+.*|\n{2,}[ \t]+\S.*)*)\n*$/;
+ var nextItemsRegex = /^\n*(([ ]{0,3}([*+-]|\d+[.])[ \t]+.*)(\n.+|\n{2,}([*+-].*|\d+[.])[ \t]+.*|\n{2,}[ \t]+\S.*)*)\n*/;
+
+ // The default bullet is a dash but others are possible.
+ // This has nothing to do with the particular HTML bullet,
+ // it's just a markdown bullet.
+ var bullet = "-";
+
+ // The number in a numbered list.
+ var num = 1;
+
+ // Get the item prefix - e.g. " 1. " for a numbered list, " - " for a bulleted list.
+ var getItemPrefix = function () {
+ var prefix;
+ if (isNumberedList) {
+ prefix = " " + num + ". ";
+ num++;
+ }
+ else {
+ prefix = " " + bullet + " ";
+ }
+ return prefix;
+ };
+
+ // Fixes the prefixes of the other list items.
+ var getPrefixedItem = function (itemText) {
+
+ // The numbering flag is unset when called by autoindent.
+ if (isNumberedList === undefined) {
+ isNumberedList = /^\s*\d/.test(itemText);
+ }
+
+ // Renumber/bullet the list element.
+ itemText = itemText.replace(/^[ ]{0,3}([*+-]|\d+[.])\s/gm,
+ function (_) {
+ return getItemPrefix();
+ });
+
+ return itemText;
+ };
+
+ chunk.findTags(/(\n|^)*[ ]{0,3}([*+-]|\d+[.])\s+/, null);
+
+ if (chunk.before && !/\n$/.test(chunk.before) && !/^\n/.test(chunk.startTag)) {
+ chunk.before += chunk.startTag;
+ chunk.startTag = "";
+ }
+
+ if (chunk.startTag) {
+
+ var hasDigits = /\d+[.]/.test(chunk.startTag);
+ chunk.startTag = "";
+ chunk.selection = chunk.selection.replace(/\n[ ]{4}/g, "\n");
+ this.unwrap(chunk);
+ chunk.skipLines();
+
+ if (hasDigits) {
+ // Have to renumber the bullet points if this is a numbered list.
+ chunk.after = chunk.after.replace(nextItemsRegex, getPrefixedItem);
+ }
+ if (isNumberedList == hasDigits) {
+ return;
+ }
+ }
+
+ var nLinesUp = 1;
+
+ chunk.before = chunk.before.replace(previousItemsRegex,
+ function (itemText) {
+ if (/^\s*([*+-])/.test(itemText)) {
+ bullet = re.$1;
+ }
+ nLinesUp = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
+ return getPrefixedItem(itemText);
+ });
+
+ if (!chunk.selection) {
+ chunk.selection = "List item";
+ }
+
+ var prefix = getItemPrefix();
+
+ var nLinesDown = 1;
+
+ chunk.after = chunk.after.replace(nextItemsRegex,
+ function (itemText) {
+ nLinesDown = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
+ return getPrefixedItem(itemText);
+ });
+
+ chunk.trimWhitespace(true);
+ chunk.skipLines(nLinesUp, nLinesDown, true);
+ chunk.startTag = prefix;
+ var spaces = prefix.replace(/./g, " ");
+ this.wrap(chunk, SETTINGS.lineLength - spaces.length);
+ chunk.selection = chunk.selection.replace(/\n/g, "\n" + spaces);
+
+ };
+
+ commandProto.doHeading = function (chunk, postProcessing) {
+
+ // Remove leading/trailing whitespace and reduce internal spaces to single spaces.
+ chunk.selection = chunk.selection.replace(/\s+/g, " ");
+ chunk.selection = chunk.selection.replace(/(^\s+|\s+$)/g, "");
+
+ // If we clicked the button with no selected text, we just
+ // make a level 2 hash header around some default text.
+ if (!chunk.selection) {
+ chunk.startTag = "## ";
+ chunk.selection = "Heading";
+ chunk.endTag = " ##";
+ return;
+ }
+
+ var headerLevel = 0; // The existing header level of the selected text.
+
+ // Remove any existing hash heading markdown and save the header level.
+ chunk.findTags(/#+[ ]*/, /[ ]*#+/);
+ if (/#+/.test(chunk.startTag)) {
+ headerLevel = re.lastMatch.length;
+ }
+ chunk.startTag = chunk.endTag = "";
+
+ // Try to get the current header level by looking for - and = in the line
+ // below the selection.
+ chunk.findTags(null, /\s?(-+|=+)/);
+ if (/=+/.test(chunk.endTag)) {
+ headerLevel = 1;
+ }
+ if (/-+/.test(chunk.endTag)) {
+ headerLevel = 2;
+ }
+
+ // Skip to the next line so we can create the header markdown.
+ chunk.startTag = chunk.endTag = "";
+ chunk.skipLines(1, 1);
+
+ // We make a level 2 header if there is no current header.
+ // If there is a header level, we substract one from the header level.
+ // If it's already a level 1 header, it's removed.
+ var headerLevelToCreate = headerLevel == 0 ? 2 : headerLevel - 1;
+
+ if (headerLevelToCreate > 0) {
+
+ // The button only creates level 1 and 2 underline headers.
+ // Why not have it iterate over hash header levels? Wouldn't that be easier and cleaner?
+ var headerChar = headerLevelToCreate >= 2 ? "-" : "=";
+ var len = chunk.selection.length;
+ if (len > SETTINGS.lineLength) {
+ len = SETTINGS.lineLength;
+ }
+ chunk.endTag = "\n";
+ while (len--) {
+ chunk.endTag += headerChar;
+ }
+ }
+ };
+
+ commandProto.doHorizontalRule = function (chunk, postProcessing) {
+ chunk.startTag = "----------\n";
+ chunk.selection = "";
+ chunk.skipLines(2, 1, true);
+ }
+
+
+})();
\ No newline at end of file
diff --git a/static/lib/pagedown/Markdown.Editor.less b/static/lib/pagedown/Markdown.Editor.less
new file mode 100755
index 000000000..e1c0cc4df
--- /dev/null
+++ b/static/lib/pagedown/Markdown.Editor.less
@@ -0,0 +1,80 @@
+
+.wmd-panel {
+ width: 100%;
+}
+
+.wmd-input {
+ height: 300px;
+ width: 100%;
+ box-sizing: border-box;
+ -webkit-box-sizing:border-box;
+ -moz-box-sizing: border-box;
+ -ms-box-sizing: border-box;
+}
+
+.wmd-preview {
+ .well;
+ width: 100%;
+ box-sizing: border-box;
+ -webkit-box-sizing:border-box;
+ -moz-box-sizing: border-box;
+ -ms-box-sizing: border-box;
+}
+
+.wmd-panel .btn-toolbar {
+ margin-bottom: 0;
+ padding: 0;
+ width: 100%;
+}
+
+.icon-link,
+.icon-blockquote,
+.icon-code,
+.icon-bullet-list,
+.icon-list,
+.icon-header,
+.icon-hr-line,
+.icon-undo {
+ background-image: url(Markdown.Editor.Icons.png);
+}
+.icon-link { background-position: 0 0; }
+.icon-blockquote { background-position: -24px 0; }
+.icon-code { background-position: -48px 0; }
+.icon-bullet-list { background-position: -72px 0; }
+.icon-list { background-position: -96px 0; }
+.icon-header { background-position: -120px 0; }
+.icon-hr-line { background-position: -144px 0; }
+.icon-undo { background-position: -168px 0; }
+
+
+
+
+
+.wmd-prompt-background
+{
+ background-color: Black;
+}
+
+.wmd-prompt-dialog
+{
+ border: 1px solid #999999;
+ background-color: #F5F5F5;
+}
+
+.wmd-prompt-dialog > div {
+ font-size: 0.8em;
+ font-family: arial, helvetica, sans-serif;
+}
+
+
+.wmd-prompt-dialog > form > input[type="text"] {
+ border: 1px solid #999999;
+ color: black;
+}
+
+.wmd-prompt-dialog > form > input[type="button"]{
+ border: 1px solid #888888;
+ font-family: trebuchet MS, helvetica, sans-serif;
+ font-size: 0.8em;
+ font-weight: bold;
+}
diff --git a/static/lib/pagedown/Markdown.Sanitizer.js b/static/lib/pagedown/Markdown.Sanitizer.js
new file mode 100755
index 000000000..be0445ab5
--- /dev/null
+++ b/static/lib/pagedown/Markdown.Sanitizer.js
@@ -0,0 +1,111 @@
+(function () {
+ var output, Converter;
+ if (typeof exports === "object" && typeof require === "function") { // we're in a CommonJS (e.g. Node.js) module
+ output = exports;
+ Converter = require("./Markdown.Converter").Converter;
+ } else {
+ output = window.Markdown;
+ Converter = output.Converter;
+ }
+
+ output.getSanitizingConverter = function () {
+ var converter = new Converter();
+ converter.hooks.chain("postConversion", sanitizeHtml);
+ converter.hooks.chain("postConversion", balanceTags);
+ return converter;
+ }
+
+ function sanitizeHtml(html) {
+ return html.replace(/<[^>]*>?/gi, sanitizeTag);
+ }
+
+ // (tags that can be opened/closed) | (tags that stand alone)
+ var basic_tag_whitelist = /^(<\/?(b|blockquote|code|del|dd|dl|dt|em|h1|h2|h3|i|kbd|li|ol|p|s|sup|sub|strong|strike|ul)>|<(br|hr)\s?\/?>)$/i;
+ // |
+ var a_white = /^(]*")?(\stitle="[^"<>]*")?\s?\/?>)$/i;
+
+ //
|
for twitter bootstrap
+ var pre_white = /^(
";
+ var match;
+ var tagpaired = [];
+ var tagremove = [];
+ var needsRemoval = false;
+
+ // loop through matched tags in forward order
+ for (var ctag = 0; ctag < tagcount; ctag++) {
+ tagname = tags[ctag].replace(/<\/?(\w+).*/, "$1");
+ // skip any already paired tags
+ // and skip tags in our ignore list; assume they're self-closed
+ if (tagpaired[ctag] || ignoredtags.search("<" + tagname + ">") > -1)
+ continue;
+
+ tag = tags[ctag];
+ match = -1;
+
+ if (!/^<\//.test(tag)) {
+ // this is an opening tag
+ // search forwards (next tags), look for closing tags
+ for (var ntag = ctag + 1; ntag < tagcount; ntag++) {
+ if (!tagpaired[ntag] && tags[ntag] == "") {
+ match = ntag;
+ break;
+ }
+ }
+ }
+
+ if (match == -1)
+ needsRemoval = tagremove[ctag] = true; // mark for removal
+ else
+ tagpaired[match] = true; // mark paired
+ }
+
+ if (!needsRemoval)
+ return html;
+
+ // delete all orphaned tags from the string
+
+ var ctag = 0;
+ html = html.replace(re, function (match) {
+ var res = tagremove[ctag] ? "" : match;
+ ctag++;
+ return res;
+ });
+ return html;
+ }
+})();
diff --git a/static/partials/repo-list.html b/static/partials/repo-list.html
index 3a97b77e6..4a81873d7 100644
--- a/static/partials/repo-list.html
+++ b/static/partials/repo-list.html
@@ -3,6 +3,6 @@