var doc = top.document;
var re = top.RegExp;
var nav = top.navigator;
-
+
// Some namespaces.
wmd.Util = {};
wmd.Position = {};
wmd.Command = {};
wmd.Global = {};
-
+
var util = wmd.Util;
var position = wmd.Position;
var command = wmd.Command;
var global = wmd.Global;
-
-
+
+
// Used to work around some browser bugs where we can't use feature testing.
global.isIE = /msie/.test(nav.userAgent.toLowerCase());
global.isIE_5or6 = /msie 6/.test(nav.userAgent.toLowerCase()) || /msie 5/.test(nav.userAgent.toLowerCase());
global.isIE_7plus = global.isIE && !global.isIE_5or6;
global.isOpera = /opera/.test(nav.userAgent.toLowerCase());
global.isKonqueror = /konqueror/.test(nav.userAgent.toLowerCase());
-
- var toolbar_strong_label = $.i18n._('bold') + " <strong> Ctrl-B";
- var toolbar_emphasis_label = $.i18n._('italic') + " <em> Ctrl-I";
- var toolbar_hyperlink_label = $.i18n._('link') + " <a> Ctrl-L";
- var toolbar_blockquote_label = $.i18n._('quote') + " <blockquote> Ctrl-.";
- var toolbar_code_label = $.i18n._('preformatted text') + " <pre><code> Ctrl-K";
- var toolbar_image_label = $.i18n._('image') + " <img> Ctrl-G";
- var toolbar_numbered_label = $.i18n._('numbered list') + " <ol> Ctrl-O";
- var toolbar_bulleted_label = $.i18n._('bulleted list') + " <ul> Ctrl-U";
- var toolbar_heading_label = $.i18n._('heading') + " <h1>/<h2> Ctrl-H";
- var toolbar_horizontal_label = $.i18n._('horizontal bar') + " <hr> Ctrl-R";
- var toolbar_undo_label = $.i18n._('undo') + " Ctrl-Z";
- var toolbar_redo_label = $.i18n._('redo') + " Ctrl-Y";
-
+
+
// -------------------------------------------------------------------
// YOUR CHANGES GO HERE
//
- // I've tried to localize the things you are likely to change to
+ // I've tried to localize the things you are likely to change to
// this area.
// -------------------------------------------------------------------
-
+
// The text that appears on the upper part of the dialog box when
// entering links.
-
var imageDialogText = "<p style='margin-top: 0px'>" + $.i18n._('enter image url') + "</p>";
-
var linkDialogText = "<p style='margin-top: 0px'>" + $.i18n._('enter url') + "</p>";
+ var imageDialogText = "<p style='margin-top: 0px'>" + $.i18n._('enter image url') + "</p>";
+ var linkDialogText = "<p style='margin-top: 0px'>" + $.i18n._('enter url') + "</p>";
var uploadImageHTML ="<div>" + $.i18n._('upload image') + "</div>" +
"<input type=\"file\" name=\"file-upload\" id=\"file-upload\" size=\"26\" "+
"onchange=\"return ajaxFileUpload($('#image-url'));\"/><br>" +
"<img id=\"loading\" src=\"" + mediaUrl("media/images/indicator.gif") + "\" style=\"display:none;\"/>";
-
// The default text that appears in the dialog input box when entering
// links.
var imageDefaultText = "http://";
var linkDefaultText = "http://";
-
+
// The location of your button images relative to the base directory.
var imageDirectory = "images/";
-
+
// Some intervals in ms. These can be adjusted to reduce the control's load.
var previewPollInterval = 500;
var pastePollInterval = 100;
-
+
// The link and title for the help button
var helpLink = "http://wmd-editor.com/";
var helpHoverTitle = "WMD website";
var helpTarget = "_blank";
-
+
// -------------------------------------------------------------------
// END OF YOUR CHANGES
// -------------------------------------------------------------------
-
+
// A collection of the important regions on the page.
// Cached so we don't have to keep traversing the DOM.
wmd.PanelCollection = function(){
this.output = doc.getElementById("wmd-output");
this.input = doc.getElementById("editor");
};
-
+
// This PanelCollection object can't be filled until after the page
// has loaded.
wmd.panels = undefined;
-
+
// Internet explorer has problems with CSS sprite buttons that use HTML
- // lists. When you click on the background image "button", IE will
+ // lists. When you click on the background image "button", IE will
// select the non-existent link text and discard the selection in the
// textarea. The solution to this is to cache the textarea selection
// on the button's mousedown event and set a flag. In the part of the
// normally since the focus never leaves the textarea.
wmd.ieCachedRange = null; // cached textarea selection
wmd.ieRetardedClick = false; // flag
-
+
// Returns true if the DOM element is visible, false if it's hidden.
// Checks if display is anything other than none.
util.isVisible = function (elem) {
-
+
if (window.getComputedStyle) {
// Most browsers
return window.getComputedStyle(elem, null).getPropertyValue("display") !== "none";
return elem.currentStyle["display"] !== "none";
}
};
-
-
+
+
// Adds a listener callback to a DOM element which is fired on a specified
// event.
util.addEvent = function(elem, event, listener){
}
};
-
+
// Removes a listener callback from a DOM element which is fired on a specified
// event.
util.removeEvent = function(elem, event, listener){
//
// regex is a RegExp, pre and post are strings.
util.extendRegExp = function(regex, pre, post){
-
+
if (pre === null || pre === undefined)
{
pre = "";
{
post = "";
}
-
+
var pattern = regex.toString();
var flags = "";
-
+
// Replace the flags with empty space and store them.
// Technically, this can match incorrect flags like "gmm".
var result = pattern.match(/\/([gim]*)$/);
else {
flags = "";
}
-
+
// Remove the flags and slash delimiters from the regular expression.
pattern = pattern.replace(/(^\/|\/[gim]*$)/g, "");
pattern = pre + pattern + post;
-
+
return new RegExp(pattern, flags);
}
-
+
// Sets the image for a button passed to the WMD editor.
// Returns a new element with the image attached.
// Adds several style properties to the image.
util.createImage = function(img){
-
+
var imgPath = imageDirectory + img;
-
+
var elem = doc.createElement("img");
elem.className = "wmd-button";
elem.src = imgPath;
return elem;
};
-
+
// This simulates a modal dialog box and asks for the URL when you
// click the hyperlink or image buttons.
// defaultInputText: The default value that appears in the input box.
// makeLinkMarkdown: The function which is executed when the prompt is dismissed, either via OK or Cancel
util.prompt = function(text, defaultInputText, makeLinkMarkdown){
-
+
// These variables need to be declared at this level since they are used
// in multiple functions.
var dialog; // The dialog box.
if (defaultInputText === undefined) {
defaultInputText = "";
}
-
+
// Used as a keydown event handler. Esc dismisses the prompt.
// Key code 27 is ESC.
var checkEscape = function(key){
close(true);
}
};
-
+
// Dismisses the hyperlink input box.
// isCancel is true if we don't care about the input text.
// isCancel is false if we are going to keep the text.
text = text.replace('http://http://', 'http://');
text = text.replace('http://https://', 'https://');
text = text.replace('http://ftp://', 'ftp://');
-
- if (text.indexOf('http://') === -1 && text.indexOf('ftp://') === -1 && text.indexOf('https://') === -1 && text.indexOf('/') !== 0) {
+
+ if (text.indexOf('http://') === -1 && text.indexOf('ftp://') === -1 && text.indexOf('https://') === -1) {
text = 'http://' + text;
}
}
-
+
dialog.parentNode.removeChild(dialog);
background.parentNode.removeChild(background);
makeLinkMarkdown(text);
return false;
};
-
+
// Creates the background behind the hyperlink text entry box.
// Most of this has been moved to CSS but the div creation and
// browser-specific hacks remain here.
var createBackground = function(){
-
+
background = doc.createElement("div");
background.className = "wmd-prompt-background";
style = background.style;
style.position = "absolute";
style.top = "0";
-
+
style.zIndex = "1000";
-
+
// Some versions of Konqueror don't support transparent colors
// so we make the whole window transparent.
//
else {
style.opacity = "0.5";
}
-
+
var pageSize = position.getPageSize();
style.height = pageSize[1] + "px";
-
+
if(global.isIE){
style.left = doc.documentElement.scrollLeft;
style.width = doc.documentElement.clientWidth;
style.left = "0";
style.width = "100%";
}
-
+
doc.body.appendChild(background);
};
-
+
// Create the text input box form/window.
var createDialog = function(){
-
+
// The main dialog box.
dialog = doc.createElement("div");
dialog.className = "wmd-prompt-dialog";
dialog.style.position = "fixed";
dialog.style.width = "400px";
dialog.style.zIndex = "1001";
-
+
// The dialog text.
var question = doc.createElement("div");
question.innerHTML = text;
question.style.padding = "5px";
dialog.appendChild(question);
-
+
// The web form container for the text box and buttons.
var form = doc.createElement("form");
form.onsubmit = function(){ return close(false); };
style.textAlign = "center";
style.position = "relative";
dialog.appendChild(form);
-
+
// The input text box
input = doc.createElement("input");
- if(type == 1){
- input.id = "image-url";
- }
input.type = "text";
input.value = defaultInputText;
style = input.style;
form.appendChild(input);
// The upload file input
- if(type == 1){
- var upload = doc.createElement("div");
- upload.innerHTML = uploadImageHTML;
- upload.style.padding = "5px";
- form.appendChild(upload);
- }
-
+ var upload = doc.createElement("div");
+ upload.innerHTML = uploadImageHTML;
+ upload.style.padding = "5px";
+ form.appendChild(upload);
+
// The ok button
var okButton = doc.createElement("input");
okButton.type = "button";
style.display = "inline";
style.width = "7em";
-
+
// The cancel button
var cancelButton = doc.createElement("input");
cancelButton.type = "button";
dialog.style.left = "50%";
}
doc.body.appendChild(dialog);
-
+
// This has to be done AFTER adding the dialog to the form if you
// want it to be centered.
dialog.style.marginTop = -(position.getHeight(dialog) / 2) + "px";
dialog.style.marginLeft = -(position.getWidth(dialog) / 2) + "px";
-
+
};
-
+
createBackground();
-
+
// Why is this in a zero-length timeout?
// Is it working around a browser bug?
top.setTimeout(function(){
-
+
createDialog();
var defTextLen = defaultInputText.length;
range.moveEnd("character", defTextLen);
range.select();
}
-
+
input.focus();
}, 0);
};
-
-
+
+
// UNFINISHED
// The assignment in the while loop makes jslint cranky.
// I'll change it to a better loop later.
}
return result;
};
-
+
position.getHeight = function (elem) {
return elem.offsetHeight || elem.scrollHeight;
};
};
position.getPageSize = function(){
-
+
var scrollWidth, scrollHeight;
var innerWidth, innerHeight;
-
+
// It's not very clear which blocks work with which browsers.
if(self.innerHeight && self.scrollMaxY){
scrollWidth = doc.body.scrollWidth;
scrollWidth = doc.body.offsetWidth;
scrollHeight = doc.body.offsetHeight;
}
-
+
if(self.innerHeight){
// Non-IE browser
innerWidth = self.innerWidth;
innerWidth = doc.body.clientWidth;
innerHeight = doc.body.clientHeight;
}
-
+
var maxWidth = Math.max(scrollWidth, innerWidth);
var maxHeight = Math.max(scrollHeight, innerHeight);
return [maxWidth, maxHeight, innerWidth, innerHeight];
};
-
+
// Watches the input textarea, polling at an interval and runs
// a callback function if anything has changed.
wmd.inputPoller = function(callback, interval){
-
+
var pollerObj = this;
var inputArea = wmd.panels.input;
-
+
// Stored start, end and text. Used to see if there are changes to the input.
var lastStart;
var lastEnd;
var markdown;
-
+
var killHandle; // Used to cancel monitoring on destruction.
// Checks to see if anything has changed in the textarea.
// If so, it runs the callback.
this.tick = function(){
-
+
if (!util.isVisible(inputArea)) {
return;
}
-
+
// Update the selection start and end, text.
if (inputArea.selectionStart || inputArea.selectionStart === 0) {
var start = inputArea.selectionStart;
if (start != lastStart || end != lastEnd) {
lastStart = start;
lastEnd = end;
-
+
if (markdown != inputArea.value) {
markdown = inputArea.value;
return true;
}
return false;
};
-
-
+
+
var doTickCallback = function(){
-
+
if (!util.isVisible(inputArea)) {
return;
}
-
+
// If anything has changed, call the function.
if (pollerObj.tick()) {
callback();
}
};
-
+
// Set how often we poll the textarea for changes.
var assignInterval = function(){
// previewPollInterval is set at the top of the namespace.
killHandle = top.setInterval(doTickCallback, interval);
};
-
+
this.destroy = function(){
top.clearInterval(killHandle);
};
-
+
assignInterval();
};
-
+
// Handles pushing and popping TextareaStates for undo/redo commands.
// I should rename the stack variables to list.
wmd.undoManager = function(callback){
-
+
var undoObj = this;
var undoStack = []; // A stack of undo states
var stackPtr = 0; // The index of the current state
var poller;
var timer; // The setTimeout handle for cancelling the timer
var inputStateObj;
-
+
// Set the mode for later logic steps.
var setMode = function(newMode, noSave){
-
+
if (mode != newMode) {
mode = newMode;
if (!noSave) {
saveState();
}
}
-
+
if (!global.isIE || mode != "moving") {
timer = top.setTimeout(refreshState, 1);
}
inputStateObj = null;
}
};
-
+
var refreshState = function(){
inputStateObj = new wmd.TextareaState();
poller.tick();
timer = undefined;
};
-
+
this.setCommandMode = function(){
mode = "command";
saveState();
timer = top.setTimeout(refreshState, 0);
};
-
+
this.canUndo = function(){
return stackPtr > 1;
};
-
+
this.canRedo = function(){
if (undoStack[stackPtr + 1]) {
return true;
}
return false;
};
-
+
// Removes the last state and restores it.
this.undo = function(){
-
+
if (undoObj.canUndo()) {
if (lastState) {
// What about setting state -1 to null or checking for undefined?
else {
undoStack[stackPtr] = new wmd.TextareaState();
undoStack[--stackPtr].restore();
-
+
if (callback) {
callback();
}
}
}
-
+
mode = "none";
wmd.panels.input.focus();
refreshState();
};
-
+
// Redo an action.
this.redo = function(){
-
+
if (undoObj.canRedo()) {
-
+
undoStack[++stackPtr].restore();
-
+
if (callback) {
callback();
}
}
-
+
mode = "none";
wmd.panels.input.focus();
refreshState();
};
-
+
// Push the input area state to the stack.
var saveState = function(){
-
+
var currState = inputStateObj || new wmd.TextareaState();
-
+
if (!currState) {
return false;
}
callback();
}
};
-
+
var handleCtrlYZ = function(event){
-
+
var handled = false;
-
+
if (event.ctrlKey || event.metaKey) {
-
+
// IE and Opera do not support charCode.
var keyCode = event.charCode || event.keyCode;
var keyCodeChar = String.fromCharCode(keyCode);
-
+
switch (keyCodeChar) {
-
+
case "y":
undoObj.redo();
handled = true;
break;
-
+
case "z":
if (!event.shiftKey) {
undoObj.undo();
break;
}
}
-
+
if (handled) {
if (event.preventDefault) {
event.preventDefault();
return;
}
};
-
+
// Set the mode depending on what is going on in the input area.
var handleModeChange = function(event){
-
+
if (!event.ctrlKey && !event.metaKey) {
-
+
var keyCode = event.keyCode;
-
+
if ((keyCode >= 33 && keyCode <= 40) || (keyCode >= 63232 && keyCode <= 63235)) {
// 33 - 40: page up/dn and arrow keys
// 63232 - 63235: page up/dn and arrow keys on safari
setMode("escape");
}
else if ((keyCode < 16 || keyCode > 20) && keyCode != 91) {
- // 16-20 are shift, etc.
+ // 16-20 are shift, etc.
// 91: left window key
// I think this might be a little messed up since there are
// a lot of nonprinting keys above 20.
}
}
};
-
+
var setEventHandlers = function(){
-
+
util.addEvent(wmd.panels.input, "keypress", function(event){
// keyCode 89: y
// keyCode 90: z
event.preventDefault();
}
});
-
+
var handlePaste = function(){
if (global.isIE || (inputStateObj && inputStateObj.text != wmd.panels.input.value)) {
if (timer == undefined) {
}
}
};
-
+
// pastePollInterval is specified at the beginning of this namespace.
poller = new wmd.inputPoller(handlePaste, pastePollInterval);
-
+
util.addEvent(wmd.panels.input, "keydown", handleCtrlYZ);
util.addEvent(wmd.panels.input, "keydown", handleModeChange);
-
+
util.addEvent(wmd.panels.input, "mousedown", function(){
setMode("moving");
});
wmd.panels.input.onpaste = handlePaste;
wmd.panels.input.ondrop = handlePaste;
};
-
+
var init = function(){
setEventHandlers();
refreshState();
saveState();
};
-
+
this.destroy = function(){
if (poller) {
poller.destroy();
}
};
-
+
init();
};
-
+
// I think my understanding of how the buttons and callbacks are stored in the array is incomplete.
wmd.editor = function(previewRefreshCallback){
-
+
if (!previewRefreshCallback) {
previewRefreshCallback = function(){};
}
-
+
var inputBox = wmd.panels.input;
-
+
var offsetHeight = 0;
-
+
var editObj = this;
-
+
var mainDiv;
var mainSpan;
-
+
var div; // This name is pretty ambiguous. I should rename this.
-
+
// Used to cancel recurring events from setInterval.
var creationHandle;
-
+
var undoMgr; // The undo manager
-
+
// Perform the button's action.
var doClick = function(button){
-
+
inputBox.focus();
-
+
if (button.textOp) {
-
+
if (undoMgr) {
undoMgr.setCommandMode();
}
-
+
var state = new wmd.TextareaState();
-
+
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.
//
// 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)
// 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();
previewRefreshCallback();
};
-
+
var useDefaultText = true;
var noCleanup = button.textOp(chunks, fixupInputArea, useDefaultText);
-
+
if(!noCleanup) {
fixupInputArea();
}
-
+
}
-
+
if (button.execute) {
button.execute(editObj);
}
};
-
+
var setUndoRedoButtonStates = function(){
if(undoMgr){
setupButton(document.getElementById("wmd-undo-button"), undoMgr.canUndo());
setupButton(document.getElementById("wmd-redo-button"), undoMgr.canRedo());
}
};
-
+
var setupButton = function(button, isEnabled) {
-
+
var normalYShift = "0px";
var disabledYShift = "-20px";
var highlightYShift = "-40px";
-
+
if(isEnabled) {
button.style.backgroundPosition = button.XShift + " " + normalYShift;
button.onmouseover = function(){
this.style.backgroundPosition = this.XShift + " " + highlightYShift;
};
-
+
button.onmouseout = function(){
this.style.backgroundPosition = this.XShift + " " + normalYShift;
};
-
+
// IE tries to select the background image "button" text (it's
// implemented in a list item) so we have to cache the selection
// on mousedown.
if(global.isIE) {
- button.onmousedown = function() {
+ button.onmousedown = function() {
wmd.ieRetardedClick = true;
- wmd.ieCachedRange = document.selection.createRange();
+ wmd.ieCachedRange = document.selection.createRange();
};
}
-
+
if (!button.isHelp)
{
button.onclick = function() {
button.onmouseover = button.onmouseout = button.onclick = function(){};
}
}
-
+
var makeSpritedButtonRow = function(){
-
+
var buttonBar = document.getElementById("wmd-button-bar");
-
+
var normalYShift = "0px";
var disabledYShift = "-20px";
var highlightYShift = "-40px";
-
+
var buttonRow = document.createElement("ul");
buttonRow.id = "wmd-button-row";
buttonRow = buttonBar.appendChild(buttonRow);
-
+
var boldButton = document.createElement("li");
boldButton.className = "wmd-button";
boldButton.id = "wmd-bold-button";
- boldButton.title = toolbar_strong_label;
+ boldButton.title = "Strong <strong> Ctrl+B";
boldButton.XShift = "0px";
boldButton.textOp = command.doBold;
setupButton(boldButton, true);
buttonRow.appendChild(boldButton);
-
+
var italicButton = document.createElement("li");
italicButton.className = "wmd-button";
italicButton.id = "wmd-italic-button";
- italicButton.title = toolbar_emphasis_label;
+ italicButton.title = "Emphasis <em> Ctrl+I";
italicButton.XShift = "-20px";
italicButton.textOp = command.doItalic;
setupButton(italicButton, true);
var spacer1 = document.createElement("li");
spacer1.className = "wmd-spacer";
spacer1.id = "wmd-spacer1";
- buttonRow.appendChild(spacer1);
+ buttonRow.appendChild(spacer1);
var linkButton = document.createElement("li");
linkButton.className = "wmd-button";
linkButton.id = "wmd-link-button";
- linkButton.title = toolbar_hyperlink_label;
+ linkButton.title = "Hyperlink <a> Ctrl+L";
linkButton.XShift = "-40px";
linkButton.textOp = function(chunk, postProcessing, useDefaultText){
return command.doLinkOrImage(chunk, postProcessing, false);
var quoteButton = document.createElement("li");
quoteButton.className = "wmd-button";
quoteButton.id = "wmd-quote-button";
- quoteButton.title = toolbar_blockquote_label;
+ quoteButton.title = "Blockquote <blockquote> Ctrl+Q";
quoteButton.XShift = "-60px";
quoteButton.textOp = command.doBlockquote;
setupButton(quoteButton, true);
buttonRow.appendChild(quoteButton);
-
+
var codeButton = document.createElement("li");
codeButton.className = "wmd-button";
codeButton.id = "wmd-code-button";
- codeButton.title = toolbar_code_label;
+ codeButton.title = "Code Sample <pre><code> Ctrl+K";
codeButton.XShift = "-80px";
codeButton.textOp = command.doCode;
setupButton(codeButton, true);
var imageButton = document.createElement("li");
imageButton.className = "wmd-button";
imageButton.id = "wmd-image-button";
- imageButton.title = toolbar_image_label;
+ imageButton.title = "Image <img> Ctrl+G";
imageButton.XShift = "-100px";
imageButton.textOp = function(chunk, postProcessing, useDefaultText){
return command.doLinkOrImage(chunk, postProcessing, true);
var spacer2 = document.createElement("li");
spacer2.className = "wmd-spacer";
spacer2.id = "wmd-spacer2";
- buttonRow.appendChild(spacer2);
+ buttonRow.appendChild(spacer2);
var olistButton = document.createElement("li");
olistButton.className = "wmd-button";
olistButton.id = "wmd-olist-button";
- olistButton.title = toolbar_numbered_label;
+ olistButton.title = "Numbered List <ol> Ctrl+O";
olistButton.XShift = "-120px";
olistButton.textOp = function(chunk, postProcessing, useDefaultText){
command.doList(chunk, postProcessing, true, useDefaultText);
};
setupButton(olistButton, true);
buttonRow.appendChild(olistButton);
-
+
var ulistButton = document.createElement("li");
ulistButton.className = "wmd-button";
ulistButton.id = "wmd-ulist-button";
- ulistButton.title = toolbar_bulleted_label;
+ ulistButton.title = "Bulleted List <ul> Ctrl+U";
ulistButton.XShift = "-140px";
ulistButton.textOp = function(chunk, postProcessing, useDefaultText){
command.doList(chunk, postProcessing, false, useDefaultText);
};
setupButton(ulistButton, true);
buttonRow.appendChild(ulistButton);
-
+
var headingButton = document.createElement("li");
headingButton.className = "wmd-button";
headingButton.id = "wmd-heading-button";
- headingButton.title = toolbar_heading_label;
+ headingButton.title = "Heading <h1>/<h2> Ctrl+H";
headingButton.XShift = "-160px";
headingButton.textOp = command.doHeading;
setupButton(headingButton, true);
- buttonRow.appendChild(headingButton);
-
+ buttonRow.appendChild(headingButton);
+
var hrButton = document.createElement("li");
hrButton.className = "wmd-button";
hrButton.id = "wmd-hr-button";
- hrButton.title = toolbar_horizontal_label;
+ hrButton.title = "Horizontal Rule <hr> Ctrl+R";
hrButton.XShift = "-180px";
hrButton.textOp = command.doHorizontalRule;
setupButton(hrButton, true);
- buttonRow.appendChild(hrButton);
-
+ buttonRow.appendChild(hrButton);
+
var spacer3 = document.createElement("li");
spacer3.className = "wmd-spacer";
spacer3.id = "wmd-spacer3";
- buttonRow.appendChild(spacer3);
-
+ buttonRow.appendChild(spacer3);
+
var undoButton = document.createElement("li");
undoButton.className = "wmd-button";
undoButton.id = "wmd-undo-button";
- undoButton.title = toolbar_undo_label;
+ undoButton.title = "Undo - Ctrl+Z";
undoButton.XShift = "-200px";
undoButton.execute = function(manager){
manager.undo();
};
setupButton(undoButton, true);
- buttonRow.appendChild(undoButton);
-
+ buttonRow.appendChild(undoButton);
+
var redoButton = document.createElement("li");
redoButton.className = "wmd-button";
redoButton.id = "wmd-redo-button";
- redoButton.title = toolbar_redo_label;
+ redoButton.title = "Redo - Ctrl+Y";
if (/win/.test(nav.platform.toLowerCase())) {
- redoButton.title = toolbar_redo_label;
+ redoButton.title = "Redo - Ctrl+Y";
}
else {
// mac and other non-Windows platforms
- redoButton.title = $.i18n._('redo') + " - Ctrl+Shift+Z";
+ redoButton.title = "Redo - Ctrl+Shift+Z";
}
redoButton.XShift = "-220px";
redoButton.execute = function(manager){
manager.redo();
};
setupButton(redoButton, true);
- buttonRow.appendChild(redoButton);
-
+ buttonRow.appendChild(redoButton);
+
+ var helpButton = document.createElement("li");
+ helpButton.className = "wmd-button";
+ helpButton.id = "wmd-help-button";
+ helpButton.XShift = "-240px";
+ helpButton.isHelp = true;
+
+ var helpAnchor = document.createElement("a");
+ helpAnchor.href = helpLink;
+ helpAnchor.target = helpTarget
+ helpAnchor.title = helpHoverTitle;
+ helpButton.appendChild(helpAnchor);
+
+ setupButton(helpButton, true);
+ buttonRow.appendChild(helpButton);
+
setUndoRedoButtonStates();
}
-
+
var setupEditor = function(){
-
+
if (/\?noundo/.test(doc.location.href)) {
wmd.nativeUndo = true;
}
-
+
if (!wmd.nativeUndo) {
undoMgr = new wmd.undoManager(function(){
previewRefreshCallback();
setUndoRedoButtonStates();
});
}
-
+
makeSpritedButtonRow();
-
-
+
+
var keyEvent = "keydown";
if (global.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) {
-
+
var keyCode = key.charCode || key.keyCode;
var keyCodeStr = String.fromCharCode(keyCode).toLowerCase();
-
- // Bugfix for messed up DEL and .
- if (keyCode === 46) {
- keyCodeStr = "";
- }
- if (keyCode === 190) {
- keyCodeStr = ".";
- }
-
+
switch(keyCodeStr) {
case "b":
doClick(document.getElementById("wmd-bold-button"));
default:
return;
}
-
+
if (key.preventDefault) {
key.preventDefault();
}
-
+
if (top.event) {
top.event.returnValue = false;
}
}
});
-
+
// Auto-continue lists, code blocks and block quotes when
// the enter key is pressed.
util.addEvent(inputBox, "keyup", function(key){
}
}
});
-
+
// Disable ESC clearing the input textarea on IE
if (global.isIE) {
util.addEvent(inputBox, "keydown", function(key){
}
});
}
-
+
if (inputBox.form) {
var submitCallback = inputBox.form.onsubmit;
inputBox.form.onsubmit = function(){
};
}
};
-
+
// Convert the contents of the input textarea to HTML in the output/preview panels.
var convertToHtml = function(){
-
+
if (wmd.showdown) {
var markdownConverter = new wmd.showdown.converter();
}
var text = inputBox.value;
-
+
var callback = function(){
inputBox.value = text;
};
-
+
if (!/markdown/.test(wmd.wmd_env.output.toLowerCase())) {
if (markdownConverter) {
inputBox.value = markdownConverter.makeHtml(text);
}
return true;
};
-
-
+
+
this.undo = function(){
if (undoMgr) {
undoMgr.undo();
}
};
-
+
this.redo = function(){
if (undoMgr) {
undoMgr.redo();
}
};
-
+
// This is pretty useless. The setupEditor function contents
// should just be copied here.
var init = function(){
setupEditor();
};
-
+
this.destroy = function(){
if (undoMgr) {
undoMgr.destroy();
}
top.clearInterval(creationHandle);
};
-
+
init();
};
-
+
// The input textarea state/contents.
// This is used to implement undo/redo by the undo manager.
wmd.TextareaState = function(){
-
+
// Aliases
var stateObj = this;
var inputArea = wmd.panels.input;
-
+
this.init = function() {
-
+
if (!util.isVisible(inputArea)) {
return;
}
-
+
this.setInputAreaSelectionStartEnd();
this.scrollTop = inputArea.scrollTop;
if (!this.text && inputArea.selectionStart || inputArea.selectionStart === 0) {
this.text = inputArea.value;
}
-
- };
-
+
+ }
+
// Sets the selected text in the input box after we've performed an
// operation.
this.setInputAreaSelection = function(){
-
+
if (!util.isVisible(inputArea)) {
return;
}
-
+
if (inputArea.selectionStart !== undefined && !global.isOpera) {
-
+
inputArea.focus();
inputArea.selectionStart = stateObj.start;
inputArea.selectionEnd = stateObj.end;
inputArea.scrollTop = stateObj.scrollTop;
}
else if (doc.selection) {
-
+
if (doc.activeElement && doc.activeElement !== inputArea) {
return;
}
-
+
inputArea.focus();
var range = inputArea.createTextRange();
range.moveStart("character", -inputArea.value.length);
range.select();
}
};
-
+
this.setInputAreaSelectionStartEnd = function(){
-
+
if (inputArea.selectionStart || inputArea.selectionStart === 0) {
-
+
stateObj.start = inputArea.selectionStart;
stateObj.end = inputArea.selectionEnd;
}
else if (doc.selection) {
-
+
stateObj.text = util.fixEolChars(inputArea.value);
-
+
// IE loses the selection in the textarea when buttons are
// clicked. On IE we cache the selection and set a flag
// which we check for here.
var markedRange = marker + fixedRange + marker;
range.text = markedRange;
var inputText = util.fixEolChars(inputArea.value);
-
+
range.moveStart("character", -markedRange.length);
range.text = fixedRange;
stateObj.start = inputText.indexOf(marker);
stateObj.end = inputText.lastIndexOf(marker) - marker.length;
-
+
var len = stateObj.text.length - util.fixEolChars(inputArea.value).length;
-
+
if (len) {
range.moveStart("character", -fixedRange.length);
while (len--) {
}
range.text = fixedRange;
}
-
+
this.setInputAreaSelection();
}
};
-
+
// Restore this state into the input area.
this.restore = function(){
-
+
if (stateObj.text != undefined && stateObj.text != inputArea.value) {
inputArea.value = stateObj.text;
}
this.setInputAreaSelection();
inputArea.scrollTop = stateObj.scrollTop;
};
-
+
// Gets a collection of HTML chunks from the inptut textarea.
this.getChunks = function(){
-
+
var chunk = new wmd.Chunks();
-
+
chunk.before = util.fixEolChars(stateObj.text.substring(0, stateObj.start));
chunk.startTag = "";
chunk.selection = util.fixEolChars(stateObj.text.substring(stateObj.start, stateObj.end));
chunk.endTag = "";
chunk.after = util.fixEolChars(stateObj.text.substring(stateObj.end));
chunk.scrollTop = stateObj.scrollTop;
-
+
return chunk;
};
-
+
// Sets the TextareaState properties given a chunk of markdown.
this.setChunks = function(chunk){
-
+
chunk.before = chunk.before + chunk.startTag;
chunk.after = chunk.endTag + chunk.after;
-
+
if (global.isOpera) {
chunk.before = chunk.before.replace(/\n/g, "\r\n");
chunk.selection = chunk.selection.replace(/\n/g, "\r\n");
chunk.after = chunk.after.replace(/\n/g, "\r\n");
}
-
+
this.start = chunk.before.length;
this.end = chunk.before.length + chunk.selection.length;
this.text = chunk.before + chunk.selection + chunk.after;
this.init();
};
-
+
// before: contains all the text in the input box BEFORE the selection.
// after: contains all the text in the input box AFTER the selection.
wmd.Chunks = function(){
};
-
+
// startRegex: a regular expression to find the start tag
// endRegex: a regular expresssion to find the end tag
wmd.Chunks.prototype.findTags = function(startRegex, endRegex){
-
+
var chunkObj = this;
var regex;
-
+
if (startRegex) {
-
+
regex = util.extendRegExp(startRegex, "", "$");
-
- this.before = this.before.replace(regex,
+
+ this.before = this.before.replace(regex,
function(match){
chunkObj.startTag = chunkObj.startTag + match;
return "";
});
-
+
regex = util.extendRegExp(startRegex, "^", "");
-
- this.selection = this.selection.replace(regex,
+
+ this.selection = this.selection.replace(regex,
function(match){
chunkObj.startTag = chunkObj.startTag + match;
return "";
});
}
-
+
if (endRegex) {
-
+
regex = util.extendRegExp(endRegex, "", "$");
-
+
this.selection = this.selection.replace(regex,
function(match){
chunkObj.endTag = match + chunkObj.endTag;
});
regex = util.extendRegExp(endRegex, "^", "");
-
+
this.after = this.after.replace(regex,
function(match){
chunkObj.endTag = match + chunkObj.endTag;
});
}
};
-
+
// If remove is false, the whitespace is transferred
// to the before/after regions.
//
// If remove is true, the whitespace disappears.
wmd.Chunks.prototype.trimWhitespace = function(remove){
-
+
this.selection = this.selection.replace(/^(\s*)/, "");
-
+
if (!remove) {
this.before += re.$1;
}
-
+
this.selection = this.selection.replace(/(\s*)$/, "");
-
+
if (!remove) {
this.after = re.$1 + this.after;
}
};
-
-
+
+
wmd.Chunks.prototype.addBlankLines = function(nLinesBefore, nLinesAfter, findExtraNewlines){
-
+
if (nLinesBefore === undefined) {
nLinesBefore = 1;
}
-
+
if (nLinesAfter === undefined) {
nLinesAfter = 1;
}
-
+
nLinesBefore++;
nLinesAfter++;
-
+
var regexText;
var replacementText;
+ if (navigator.userAgent.match(/Chrome/)) {
+ "X".match(/()./)
+ }
+
this.selection = this.selection.replace(/(^\n*)/, "");
this.startTag = this.startTag + re.$1;
this.selection = this.selection.replace(/(\n*$)/, "");
this.before = this.before + re.$1;
this.endTag = this.endTag.replace(/(\n*$)/, "");
this.after = this.after + re.$1;
-
+
if (this.before) {
-
+
regexText = replacementText = "";
-
+
while (nLinesBefore--) {
regexText += "\\n?";
replacementText += "\n";
}
-
+
if (findExtraNewlines) {
regexText = "\\n*";
}
this.before = this.before.replace(new re(regexText + "$", ""), replacementText);
}
-
+
if (this.after) {
-
+
regexText = replacementText = "";
-
+
while (nLinesAfter--) {
regexText += "\\n?";
replacementText += "\n";
if (findExtraNewlines) {
regexText = "\\n*";
}
-
+
this.after = this.after.replace(new re(regexText, ""), replacementText);
}
};
-
+
// The markdown symbols - 4 spaces = code, > = blockquote, etc.
command.prefixes = "(?:\\s{4,}|\\s*>|\\s*-\\s+|\\s*\\d+\\.|=|\\+|-|_|\\*|#|\\s*\\[[^\n]]+\\]:)";
-
+
// Remove markdown symbols from the chunk selection.
command.unwrap = function(chunk){
var txt = new re("([^\\n])\\n(?!(\\n|" + command.prefixes + "))", "g");
chunk.selection = chunk.selection.replace(txt, "$1 $2");
};
-
+
command.wrap = function(chunk, len){
command.unwrap(chunk);
var regex = new re("(.{1," + len + "})( +|$\\n?)", "gm");
-
+
chunk.selection = chunk.selection.replace(regex, function(line, marked){
if (new re("^" + command.prefixes, "").test(line)) {
return line;
}
return marked + "\n";
});
-
+
chunk.selection = chunk.selection.replace(/\s+$/, "");
};
-
+
command.doBold = function(chunk, postProcessing, useDefaultText){
return command.doBorI(chunk, 2, "strong text");
};
-
+
command.doItalic = function(chunk, postProcessing, useDefaultText){
return command.doBorI(chunk, 1, "emphasized text");
};
-
+
// chunk: The selected region that will be enclosed with */**
// nStars: 1 for italics, 2 for bold
// insertText: If you just click the button without highlighting text, this gets inserted
command.doBorI = function(chunk, nStars, insertText){
-
- // Get rid of whitespace and fixup newlines.
+
+ // Get rid of whitespace and fix up newlines.
chunk.trimWhitespace();
chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n");
-
+
// Look for stars before and after. Is the chunk already marked up?
chunk.before.search(/(\**$)/);
var starsBefore = re.$1;
-
+
chunk.after.search(/(^\**)/);
var starsAfter = re.$1;
-
+
var prevStars = Math.min(starsBefore.length, starsAfter.length);
-
+
// Remove stars if we have to since the button acts as a toggle.
if ((prevStars >= nStars) && (prevStars != 2 || nStars != 1)) {
chunk.before = chunk.before.replace(re("[*]{" + nStars + "}$", ""), "");
chunk.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;
};
-
+
command.stripLinkDefs = function(text, defsToAdd){
-
- text = text.replace(/^[ ]{0,3}\[(\d+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|$)/gm,
- function(totalMatch, id, link, newlines, title){
+
+ text = text.replace(/^[ ]{0,3}\[(\d+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \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.
}
return "";
});
-
+
return text;
};
-
+
command.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 = command.stripLinkDefs(chunk.before, defsToAdd);
chunk.selection = command.stripLinkDefs(chunk.selection, defsToAdd);
chunk.after = command.stripLinkDefs(chunk.after, defsToAdd);
-
+
var defs = "";
- var regex = /(\[(?:\[[^\]]*\]|[^\[\]])*\][ ]?(?:\n[ ]*)?\[)(\d+)(\])/g;
-
+ var regex = /(\[)((?:\[[^\]]*\]|[^\[\]])*)(\][ ]?(?:\n[ ]*)?\[)(\d+)(\])/g;
+
+
+
var addDefNumber = function(def){
refNumber++;
def = def.replace(/^[ ]{0,3}\[(\d+)\]:/, " [" + refNumber + "]:");
defs += "\n" + def;
};
-
- var getLink = function(wholeMatch, link, id, end){
-
+
+ // 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 link + refNumber + end;
-
+ 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;
};
-
+
command.doLinkOrImage = function(chunk, postProcessing, isImage){
-
+
chunk.trimWhitespace();
chunk.findTags(/\s*!?\[/, /\][ ]?(?:\n[ ]*)?(\[.*?\])?/);
-
+
if (chunk.endTag.length > 1) {
-
+
chunk.startTag = chunk.startTag.replace(/!?\[/, "");
chunk.endTag = "";
command.addLinkDef(chunk, null);
-
+
}
else {
-
+
if (/\n\n/.test(chunk.selection)) {
command.addLinkDef(chunk, null);
return;
}
-
+
// The function to be executed when you enter a link and press OK or Cancel.
// Marks up the link and adds the ref.
var makeLinkMarkdown = function(link){
-
+
if (link !== null) {
-
+
chunk.startTag = chunk.endTag = "";
var linkDef = " [999]: " + link;
-
+
var num = command.addLinkDef(chunk, linkDef);
chunk.startTag = isImage ? "![" : "[";
chunk.endTag = "][" + num + "]";
-
+
if (!chunk.selection) {
if (isImage) {
chunk.selection = "alt text";
}
postProcessing();
};
-
+
if (isImage) {
- // add fourth param to identify image window
- util.prompt(imageDialogText, imageDefaultText, makeLinkMarkdown, 1);
+ util.prompt(imageDialogText, imageDefaultText, makeLinkMarkdown);
}
else {
util.prompt(linkDialogText, linkDefaultText, makeLinkMarkdown);
return true;
}
};
-
+
util.makeAPI = function(){
wmd.wmd = {};
wmd.wmd.editor = wmd.editor;
wmd.wmd.previewManager = wmd.previewManager;
};
-
+
util.startEditor = function(){
-
+
if (wmd.wmd_env.autostart === false) {
util.makeAPI();
return;
var edit; // The editor (buttons + input + outputs) - the main object.
var previewMgr; // The preview manager.
-
+
// Fired after the page has fully loaded.
var loadListener = function(){
-
+
wmd.panels = new wmd.PanelCollection();
-
+
previewMgr = new wmd.previewManager();
var previewRefreshCallback = previewMgr.refresh;
-
+
edit = new wmd.editor(previewRefreshCallback);
-
+
previewMgr.refresh(true);
-
+
};
-
+
util.addEvent(top, "load", loadListener);
};
-
+
wmd.previewManager = function(){
-
+
var managerObj = this;
var converter;
var poller;
var htmlOut;
var maxDelay = 3000;
var startType = "delayed"; // The other legal value is "manual"
-
+
// Adds event listeners to elements and creates the input poller.
var setupEvents = function(inputElem, listener){
-
+
util.addEvent(inputElem, "input", listener);
inputElem.onpaste = listener;
inputElem.ondrop = listener;
-
+
util.addEvent(inputElem, "keypress", listener);
util.addEvent(inputElem, "keydown", listener);
// previewPollInterval is set at the top of this file.
poller = new wmd.inputPoller(listener, previewPollInterval);
};
-
+
var getDocScrollTop = function(){
-
+
var result = 0;
-
+
if (top.innerHeight) {
result = top.pageYOffset;
}
- else
+ else
if (doc.documentElement && doc.documentElement.scrollTop) {
result = doc.documentElement.scrollTop;
}
- else
+ else
if (doc.body) {
result = doc.body.scrollTop;
}
-
+
return result;
};
-
+
var makePreviewHtml = function(){
-
+
// If there are no registered preview and output panels
// there is nothing to do.
if (!wmd.panels.preview && !wmd.panels.output) {
return;
}
-
+
var text = wmd.panels.input.value;
if (text && text == oldInputText) {
return; // Input text hasn't changed.
else {
oldInputText = text;
}
-
+
var prevTime = new Date().getTime();
-
+
if (!converter && wmd.showdown) {
converter = new wmd.showdown.converter();
}
-
+
if (converter) {
text = converter.makeHtml(text);
}
-
+
// Calculate the processing time of the HTML creation.
// It's used as the delay time in the event listener.
var currTime = new Date().getTime();
elapsedTime = currTime - prevTime;
-
+
pushPreviewHtml(text);
htmlOut = text;
};
-
+
// setTimeout is already used. Used as an event listener.
var applyTimeout = function(){
-
+
if (timeout) {
top.clearTimeout(timeout);
timeout = undefined;
}
-
+
if (startType !== "manual") {
-
+
var delay = 0;
-
+
if (startType === "delayed") {
delay = elapsedTime;
}
-
+
if (delay > maxDelay) {
delay = maxDelay;
}
timeout = top.setTimeout(makePreviewHtml, delay);
}
};
-
+
var getScaleFactor = function(panel){
if (panel.scrollHeight <= panel.clientHeight) {
return 1;
}
return panel.scrollTop / (panel.scrollHeight - panel.clientHeight);
};
-
+
var setPanelScrollTops = function(){
-
+
if (wmd.panels.preview) {
wmd.panels.preview.scrollTop = (wmd.panels.preview.scrollHeight - wmd.panels.preview.clientHeight) * getScaleFactor(wmd.panels.preview);
;
}
-
+
if (wmd.panels.output) {
wmd.panels.output.scrollTop = (wmd.panels.output.scrollHeight - wmd.panels.output.clientHeight) * getScaleFactor(wmd.panels.output);
;
}
};
-
+
this.refresh = function(requiresRefresh){
-
+
if (requiresRefresh) {
oldInputText = "";
makePreviewHtml();
applyTimeout();
}
};
-
+
this.processingTime = function(){
return elapsedTime;
};
-
+
// The output HTML
this.output = function(){
return htmlOut;
};
-
+
// The mode can be "manual" or "delayed"
this.setUpdateMode = function(mode){
startType = mode;
managerObj.refresh();
};
-
+
var isFirstTimeFilled = true;
-
+
var pushPreviewHtml = function(text){
-
+
var emptyTop = position.getTop(wmd.panels.input) - getDocScrollTop();
-
+
// Send the encoded HTML to the output textarea/div.
if (wmd.panels.output) {
// The value property is only defined if the output is a textarea.
wmd.panels.output.innerHTML = "<pre><code>" + newText + "</code></pre>";
}
}
-
+
if (wmd.panels.preview) {
wmd.panels.preview.innerHTML = text;
}
-
+
setPanelScrollTops();
-
+
if (isFirstTimeFilled) {
isFirstTimeFilled = false;
return;
}
-
+
var fullTop = position.getTop(wmd.panels.input) - getDocScrollTop();
-
+
if (global.isIE) {
top.setTimeout(function(){
top.scrollBy(0, fullTop - emptyTop);
top.scrollBy(0, fullTop - emptyTop);
}
};
-
+
var init = function(){
-
+
setupEvents(wmd.panels.input, applyTimeout);
makePreviewHtml();
-
+
if (wmd.panels.preview) {
wmd.panels.preview.scrollTop = 0;
}
wmd.panels.output.scrollTop = 0;
}
};
-
+
this.destroy = function(){
if (poller) {
poller.destroy();
}
};
-
+
init();
};
// Moves the cursor to the next line and continues lists, quotes and code.
command.doAutoindent = function(chunk, postProcessing, useDefaultText){
-
+
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$/, "\n\n");
-
+
useDefaultText = false;
-
+
if(/(\n|^)[ ]{0,3}([*+-])[ \t]+.*\n$/.test(chunk.before)){
if(command.doList){
command.doList(chunk, postProcessing, false, true);
}
}
};
-
+
command.doBlockquote = function(chunk, postProcessing, useDefaultText){
-
+
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 "";
});
-
+
var defaultText = useDefaultText ? "Blockquote" : "";
chunk.selection = chunk.selection.replace(/^(\s|>)+$/ ,"");
chunk.selection = chunk.selection || defaultText;
-
+
+ // The original code uses a regular expression to find out how much of the
+ // text *directly before* the selection already was a blockquote:
+ /*
if(chunk.before){
chunk.before = chunk.before.replace(/\n?$/,"\n");
}
+ chunk.before = chunk.before.replace(/(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*$)/,
+ function (totalMatch) {
+ chunk.startTag = totalMatch;
+ return "";
+ });
+ */
+ // This comes down to:
+ // Go backwards as many lines a possible, such that each line
+ // a) starts with ">", or
+ // b) is almost empty, except for whitespace, or
+ // c) is preceeded by an unbroken chain of non-empty lines
+ // leading up to a line that starts with ">" and at least one more character
+ // and in addition
+ // d) at least one line fulfills a)
+ //
+ // Since this is essentially a backwards-moving regex, it's susceptible to
+ // catstrophic backtracking and can cause the browser to hang;
+ // see e.g. http://meta.stackoverflow.com/questions/9807.
+ //
+ // Hence we replaced this by a simple state machine that just goes through the
+ // lines and checks for a), b), and c).
+
+ var match = "";
+ var leftOver = "";
+ if (chunk.before) {
+ var lines = chunk.before.replace(/\n$/, "").split("\n");
+ var inChain = false;
+ for (var i in lines) {
+ 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]*$/.test(line)) { // b)
+ good = true;
+ } else {
+ good = inChain; // c) the line is not empty and does not start with ">", so it matches if and only if we're in the chain
+ }
+ if (good) {
+ match += line + "\n";
+ } else {
+ leftOver += match + line;
+ match = "\n";
+ }
+ }
+ if (!/(^|\n)>/.test(match)) { // d)
+ leftOver += match;
+ match = "";
+ }
+ }
+
+ chunk.startTag = match;
+ chunk.before = leftOver;
+
+ // end of change
+
if(chunk.after){
chunk.after = chunk.after.replace(/^\n?/,"\n");
}
-
- chunk.before = chunk.before.replace(/(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*$)/,
- function(totalMatch){
- chunk.startTag = totalMatch;
- return "";
- });
-
+
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$/,
function(totalMatch, markdown){
});
}
};
-
+
if(/^(?![ ]{0,3}>)/m.test(chunk.selection)){
command.wrap(chunk, wmd.wmd_env.lineLength - 2);
chunk.selection = chunk.selection.replace(/^/gm, "> ");
chunk.selection = chunk.selection.replace(/^[ ]{0,3}> ?/gm, "");
command.unwrap(chunk);
replaceBlanksInTags(false);
-
+
if(!/^(\n|^)[ ]{0,3}>/.test(chunk.selection) && chunk.startTag){
chunk.startTag = chunk.startTag.replace(/\n{0,2}$/, "\n\n");
}
-
+
if(!/(\n|^)[ ]{0,3}>.*$/.test(chunk.selection) && chunk.endTag){
chunk.endTag=chunk.endTag.replace(/^\n{0,2}/, "\n\n");
}
}
-
+
if(!/\n/.test(chunk.selection)){
chunk.selection = chunk.selection.replace(/^(> *)/,
function(wholeMatch, blanks){
};
command.doCode = function(chunk, postProcessing, useDefaultText){
-
+
var hasTextBefore = /\S[ ]*$/.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}$/,
function(totalMatch){
chunk.selection = totalMatch + chunk.selection;
return "";
});
-
+
var nLinesBefore = 1;
var nLinesAfter = 1;
-
-
+
+
if(/\n(\t|[ ]{4,}).*\n$/.test(chunk.before) || chunk.after === ""){
- nLinesBefore = 0;
+ nLinesBefore = 0;
}
if(/^\n(\t|[ ]{4,})/.test(chunk.after)){
nLinesAfter = 0; // This needs to happen on line 1
}
-
+
chunk.addBlankLines(nLinesBefore, nLinesAfter);
-
+
if(!chunk.selection){
chunk.startTag = " ";
chunk.selection = useDefaultText ? "enter code here" : "";
}
else{
// Use backticks (`) to delimit the code block.
-
+
chunk.trimWhitespace();
chunk.findTags(/`/, /`/);
-
+
if(!chunk.startTag && !chunk.endTag){
chunk.startTag = chunk.endTag="`";
if(!chunk.selection){
}
}
};
-
+
command.doList = function(chunk, postProcessing, isNumberedList, useDefaultText){
-
+
// 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*$/;
var nextItemsRegex = /^\n*(([ ]{0,3}([*+-]|\d+[.])[ \t]+.*)(\n.+|\n{2,}([*+-].*|\d+[.])[ \t]+.*|\n{2,}[ \t]+\S.*)*)\n*/;
-
+
// The default bullet is a dash but others are possible.
// This has nothing to do with the particular HTML bullet,
// it's just a markdown bullet.
var bullet = "-";
-
+
// The number in a numbered list.
var num = 1;
-
+
// Get the item prefix - e.g. " 1. " for a numbered list, " - " for a bulleted list.
var getItemPrefix = function(){
var prefix;
}
return prefix;
};
-
+
// Fixes the prefixes of the other list items.
var getPrefixedItem = function(itemText){
-
+
// The numbering flag is unset when called by autoindent.
if(isNumberedList === undefined){
isNumberedList = /^\s*\d/.test(itemText);
}
-
+
// Renumber/bullet the list element.
itemText = itemText.replace(/^[ ]{0,3}([*+-]|\d+[.])\s/gm,
function( _ ){
return getItemPrefix();
});
-
+
return itemText;
};
-
+
chunk.findTags(/(\n|^)*[ ]{0,3}([*+-]|\d+[.])\s+/, null);
-
+
if(chunk.before && !/\n$/.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");
command.unwrap(chunk);
chunk.addBlankLines();
-
+
if(hasDigits){
// Have to renumber the bullet points if this is a numbered list.
chunk.after = chunk.after.replace(nextItemsRegex, getPrefixedItem);
return;
}
}
-
+
var nLinesBefore = 1;
-
+
chunk.before = chunk.before.replace(previousItemsRegex,
function(itemText){
if(/^\s*([*+-])/.test(itemText)){
nLinesBefore = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
return getPrefixedItem(itemText);
});
-
+
if(!chunk.selection){
chunk.selection = useDefaultText ? "List item" : " ";
}
-
+
var prefix = getItemPrefix();
-
+
var nLinesAfter = 1;
-
+
chunk.after = chunk.after.replace(nextItemsRegex,
function(itemText){
nLinesAfter = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
return getPrefixedItem(itemText);
});
-
+
chunk.trimWhitespace(true);
chunk.addBlankLines(nLinesBefore, nLinesAfter, true);
chunk.startTag = prefix;
var spaces = prefix.replace(/./g, " ");
command.wrap(chunk, wmd.wmd_env.lineLength - spaces.length);
chunk.selection = chunk.selection.replace(/\n/g, "\n" + spaces);
-
+
};
-
+
command.doHeading = function(chunk, postProcessing, useDefaultText){
-
+
// 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.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 = 2;
}
-
+
// Skip to the next line so we can create the header markdown.
chunk.startTag = chunk.endTag = "";
chunk.addBlankLines(1, 1);
// 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 ? "-" : "=";
chunk.endTag += headerChar;
}
}
- };
-
+ };
+
command.doHorizontalRule = function(chunk, postProcessing, useDefaultText){
chunk.startTag = "----------\n";
chunk.selection = "";
Attacklab.wmd_env = {};
Attacklab.account_options = {};
-Attacklab.wmd_defaults = {version:1, output:"Markdown", lineLength:40, delayLoad:false};
+Attacklab.wmd_defaults = {version:1, output:"HTML", lineLength:40, delayLoad:false};
if(!Attacklab.wmd)
{
{
return;
}
-
+
for(var key in env)
{
Attacklab.wmd_env[key] = env[key];
}
};
-
+
mergeEnv(Attacklab.wmd_defaults);
mergeEnv(Attacklab.account_options);
mergeEnv(top["wmd_options"]);
Attacklab.full = true;
-
+
var defaultButtons = "bold italic link blockquote code image ol ul heading hr";
Attacklab.wmd_env.buttons = Attacklab.wmd_env.buttons || defaultButtons;
};
Attacklab.loadEnv();
};
-
+
Attacklab.wmd();
Attacklab.wmdBase();
Attacklab.Util.startEditor();
projects / osqa.git / blobdiff