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Diffstat (limited to 'askbot/skins/old/media/js/wmd/wmd.js')
| -rw-r--r-- | askbot/skins/old/media/js/wmd/wmd.js | 2438 |
1 files changed, 0 insertions, 2438 deletions
diff --git a/askbot/skins/old/media/js/wmd/wmd.js b/askbot/skins/old/media/js/wmd/wmd.js deleted file mode 100644 index bc3b5a0c..00000000 --- a/askbot/skins/old/media/js/wmd/wmd.js +++ /dev/null @@ -1,2438 +0,0 @@ -var Attacklab = Attacklab || {}; - -Attacklab.wmdBase = function(){ - - // A few handy aliases for readability. - var wmd = top.Attacklab; - 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_attachment_label = $.i18n._('attachment') + " Ctrl-F"; - 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 - // 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 fileDialogText = "<p>" + $.i18n._('upload file attachment') + '</p>'; - // 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"; - var localUploadFileName = null; - - // ------------------------------------------------------------------- - // 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.buttonBar = doc.getElementById("wmd-button-bar"); - this.preview = doc.getElementById("previewer"); - 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 - // 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 - // code where we need to grab the selection, we check for the flag - // and, if it's set, use the cached area instead of querying the - // textarea. - // - // This ONLY affects Internet Explorer (tested on versions 6, 7 - // and 8) and ONLY on button clicks. Keyboard shortcuts work - // 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"; - } - else if (elem.currentStyle) { - // IE - 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){ - if (elem.attachEvent) { - // IE only. The "on" is mandatory. - elem.attachEvent("on" + event, listener); - } - else { - // Other browsers. - elem.addEventListener(event, listener, false); - } - }; - - - // Removes a listener callback from a DOM element which is fired on a specified - // event. - util.removeEvent = function(elem, event, listener){ - if (elem.detachEvent) { - // IE only. The "on" is mandatory. - elem.detachEvent("on" + event, listener); - } - else { - // Other browsers. - elem.removeEventListener(event, listener, false); - } - }; - - // Converts \r\n and \r to \n. - util.fixEolChars = function(text){ - text = text.replace(/\r\n/g, "\n"); - text = text.replace(/\r/g, "\n"); - return text; - }; - - // Extends a regular expression. Returns a new RegExp - // using pre + regex + post as the expression. - // Used in a few functions where we have a base - // expression and we want to pre- or append some - // conditions to it (e.g. adding "$" to the end). - // The flags are unchanged. - // - // regex is a RegExp, pre and post are strings. - util.extendRegExp = function(regex, pre, post){ - - if (pre === null || pre === undefined) - { - pre = ""; - } - if(post === null || post === undefined) - { - post = ""; - } - - var pattern = regex.toString(); - var flags; - - // Replace the flags with empty space and store them. - pattern = pattern.replace(/\/([gim]*)$/, ""); - flags = re.$1; - - // Remove the slash delimiters on the regular expression. - pattern = pattern.replace(/(^\/|\/$)/g, ""); - pattern = pre + pattern + post; - - return new re(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. -// -// text: The html for the input box. -// 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, dialogType){ - - // These variables need to be declared at this level since they are used - // in multiple functions. - var dialog;// The dialog box. - var background;// The background beind the dialog box. - var input;// The text box where you enter the hyperlink. - - if (defaultInputText === undefined) { - defaultInputText = ""; - } - - // Used as a keydown event handler. Esc dismisses the prompt. - // Key code 27 is ESC. - var checkEscape = function(key){ - var code = (key.charCode || key.keyCode); - if (code === 27) { - 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. - var close = function(isCancel){ - util.removeEvent(doc.body, "keydown", checkEscape); - var text = input.value; - - if (isCancel){ - text = null; - } - else{ - // Fixes common pasting errors. - 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) { - if (dialogType == 'link'){ - //add http only to urls - 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. - // - // Is this necessary on modern konqueror browsers? - if (global.isKonqueror){ - style.backgroundColor = "transparent"; - } - else if (global.isIE){ - style.filter = "alpha(opacity=50)"; - } - 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; - } - else { - 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.padding = "10px;"; - 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 = form.style; - style.padding = "0"; - style.margin = "0"; - style.cssFloat = "left"; - style.width = "100%"; - style.textAlign = "center"; - style.position = "relative"; - dialog.appendChild(form); - - // The input text box - input = doc.createElement("input"); - if(dialogType == 'image' || dialogType == 'file'){ - input.id = "image-url"; - } - input.type = "text"; - if (dialogType == 'file'){ - input.disabled = "disabled"; - }; - - input.value = defaultInputText; - style = input.style; - style.display = "block"; - style.width = "80%"; - style.marginLeft = style.marginRight = "auto"; - form.appendChild(input); - - // The upload file input - if(dialogType == 'image' || dialogType == 'file'){ - var upload_container = $('<div></div>'); - var upload_input = $('<input type="file" />'); - upload_input.attr('name', 'file-upload'); - upload_input.attr('id', 'file-upload'); - upload_input.attr('size', 26); - - var startUploadHandler = function(){ - localUploadFileName = $(this).val(); - return ajaxFileUpload($('#image-url'), startUploadHandler); - }; - - upload_input.change(startUploadHandler); - - upload_container.append(upload_input); - upload_container.append($('<br/>')); - - var spinner = $('<img />'); - spinner.attr('id', 'loading'); - spinner.attr('src', mediaUrl("media/images/indicator.gif")); - spinner.css('display', 'none'); - - upload_container.append(spinner); - upload_container.css('padding', '5px'); - $(form).append(upload_container); - } - - // The ok button - var okButton = doc.createElement("input"); - okButton.type = "button"; - okButton.onclick = function(){ - var isCancel = false; - if ($.trim($(input).val()) === ''){ - isCancel = true; - } - return close(isCancel); - }; - okButton.value = "OK"; - style = okButton.style; - style.margin = "10px"; - style.display = "inline"; - style.width = "7em"; - - // The cancel button - var cancelButton = doc.createElement("input"); - cancelButton.type = "button"; - cancelButton.onclick = function(){ return close(true); }; - cancelButton.value = "Cancel"; - style = cancelButton.style; - style.margin = "10px"; - style.display = "inline"; - style.width = "7em"; - - // The order of these buttons is different on macs. - if (/mac/.test(nav.platform.toLowerCase())) { - form.appendChild(cancelButton); - form.appendChild(okButton); - } - else { - form.appendChild(okButton); - form.appendChild(cancelButton); - } - - util.addEvent(doc.body, "keydown", checkEscape); - dialog.style.top = "50%"; - dialog.style.left = "50%"; - dialog.style.display = "block"; - if(global.isIE_5or6){ - dialog.style.position = "absolute"; - dialog.style.top = doc.documentElement.scrollTop + 200 + "px"; - 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; - if (input.type == 'text' && 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(); - } - - input.focus(); - }, 0); -}; - - - // UNFINISHED - // The assignment in the while loop makes jslint cranky. - // I'll change it to a better loop later. - position.getTop = function(elem, isInner){ - var result = elem.offsetTop; - if (!isInner) { - while (elem.offsetParent) { - elem = elem.offsetParent; - result += elem.offsetTop; - } - } - return result; - }; - - position.getHeight = function (elem) { - return elem.offsetHeight || elem.scrollHeight; - }; - - position.getWidth = function (elem) { - return elem.offsetWidth || elem.scrollWidth; - }; - - 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; - scrollHeight = self.innerHeight + self.scrollMaxY; - } - else if(doc.body.scrollHeight > doc.body.offsetHeight){ - scrollWidth = doc.body.scrollWidth; - scrollHeight = doc.body.scrollHeight; - } - else{ - scrollWidth = doc.body.offsetWidth; - scrollHeight = doc.body.offsetHeight; - } - - if(self.innerHeight){ - // Non-IE browser - innerWidth = self.innerWidth; - innerHeight = self.innerHeight; - } - else if(doc.documentElement && doc.documentElement.clientHeight){ - // Some versions of IE (IE 6 w/ a DOCTYPE declaration) - innerWidth = doc.documentElement.clientWidth; - innerHeight = doc.documentElement.clientHeight; - } - else if(doc.body){ - // Other versions of IE - 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; - var end = inputArea.selectionEnd; - 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 mode = "none"; - var lastState; // The last 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); - } - else { - 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? - lastState.restore(); - lastState = null; - } - 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; - } - if (mode == "moving") { - if (!lastState) { - lastState = currState; - } - return; - } - if (lastState) { - if (undoStack[stackPtr - 1].text != lastState.text) { - undoStack[stackPtr++] = lastState; - } - lastState = null; - } - undoStack[stackPtr++] = currState; - undoStack[stackPtr + 1] = null; - if (callback) { - 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(); - } - else { - undoObj.redo(); - } - handled = true; - break; - } - } - - if (handled) { - if (event.preventDefault) { - event.preventDefault(); - } - if (top.event) { - top.event.returnValue = false; - } - 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("moving"); - } - else if (keyCode == 8 || keyCode == 46 || keyCode == 127) { - // 8: backspace - // 46: delete - // 127: delete - setMode("deleting"); - } - else if (keyCode == 13) { - // 13: Enter - setMode("newlines"); - } - else if (keyCode == 27) { - // 27: escape - setMode("escape"); - } - else if ((keyCode < 16 || keyCode > 20) && keyCode != 91) { - // 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. - setMode("typing"); - } - } - }; - - var setEventHandlers = function(){ - - util.addEvent(wmd.panels.input, "keypress", function(event){ - // keyCode 89: y - // keyCode 90: z - if ((event.ctrlKey || event.metaKey) && (event.keyCode == 89 || event.keyCode == 90)) { - event.preventDefault(); - } - }); - - var handlePaste = function(){ - if (global.isIE || (inputStateObj && inputStateObj.text != wmd.panels.input.value)) { - if (timer === undefined) { - mode = "paste"; - saveState(); - refreshState(); - } - } - }; - - // 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. - // 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(); - previewRefreshCallback(); - }; - - var noCleanup = button.textOp(chunks, fixupInputArea); - - 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() { - wmd.ieRetardedClick = true; - wmd.ieCachedRange = document.selection.createRange(); - }; - } - - if (!button.isHelp) - { - button.onclick = function() { - if (this.onmouseout) { - this.onmouseout(); - } - doClick(this); - return false; - }; - } - } - else { - button.style.backgroundPosition = button.XShift + " " + disabledYShift; - 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.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.XShift = "-20px"; - italicButton.textOp = command.doItalic; - setupButton(italicButton, true); - buttonRow.appendChild(italicButton); - - var spacer1 = document.createElement("li"); - spacer1.className = "wmd-spacer"; - spacer1.id = "wmd-spacer1"; - buttonRow.appendChild(spacer1); - - var linkButton = document.createElement("li"); - linkButton.className = "wmd-button"; - linkButton.id = "wmd-link-button"; - linkButton.title = toolbar_hyperlink_label; - linkButton.XShift = "-40px"; - linkButton.textOp = function(chunk, postProcessing){ - return command.doLinkOrImage(chunk, postProcessing, 'link'); - }; - setupButton(linkButton, true); - buttonRow.appendChild(linkButton); - - var quoteButton = document.createElement("li"); - quoteButton.className = "wmd-button"; - quoteButton.id = "wmd-quote-button"; - quoteButton.title = toolbar_blockquote_label; - 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.XShift = "-80px"; - codeButton.textOp = command.doCode; - setupButton(codeButton, true); - buttonRow.appendChild(codeButton); - - var imageButton = document.createElement("li"); - imageButton.className = "wmd-button"; - imageButton.id = "wmd-image-button"; - imageButton.title = toolbar_image_label; - imageButton.XShift = "-100px"; - imageButton.textOp = function(chunk, postProcessing){ - return command.doLinkOrImage(chunk, postProcessing, 'image'); - }; - setupButton(imageButton, true); - buttonRow.appendChild(imageButton); - - var attachmentButton = document.createElement("li"); - attachmentButton.className = "wmd-button"; - attachmentButton.id = "wmd-attachment-button"; - attachmentButton.title = toolbar_attachment_label; - attachmentButton.XShift = "-120px"; - attachmentButton.textOp = function(chunk, postProcessing){ - return command.doLinkOrImage(chunk, postProcessing, 'file'); - }; - setupButton(attachmentButton, true); - buttonRow.appendChild(attachmentButton); - - var spacer2 = document.createElement("li"); - spacer2.className = "wmd-spacer"; - spacer2.id = "wmd-spacer2"; - buttonRow.appendChild(spacer2); - - var olistButton = document.createElement("li"); - olistButton.className = "wmd-button"; - olistButton.id = "wmd-olist-button"; - olistButton.title = toolbar_numbered_label; - olistButton.XShift = "-140px"; - olistButton.textOp = function(chunk, postProcessing){ - command.doList(chunk, postProcessing, true); - }; - 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.XShift = "-160px"; - ulistButton.textOp = function(chunk, postProcessing){ - command.doList(chunk, postProcessing, false); - }; - 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.XShift = "-180px"; - headingButton.textOp = command.doHeading; - setupButton(headingButton, true); - buttonRow.appendChild(headingButton); - - var hrButton = document.createElement("li"); - hrButton.className = "wmd-button"; - hrButton.id = "wmd-hr-button"; - hrButton.title = toolbar_horizontal_label; - hrButton.XShift = "-200px"; - hrButton.textOp = command.doHorizontalRule; - setupButton(hrButton, true); - buttonRow.appendChild(hrButton); - - var spacer3 = document.createElement("li"); - spacer3.className = "wmd-spacer"; - spacer3.id = "wmd-spacer3"; - buttonRow.appendChild(spacer3); - - var undoButton = document.createElement("li"); - undoButton.className = "wmd-button"; - undoButton.id = "wmd-undo-button"; - undoButton.title = toolbar_undo_label; - undoButton.XShift = "-220px"; - undoButton.execute = function(manager){ - manager.undo(); - }; - setupButton(undoButton, true); - buttonRow.appendChild(undoButton); - - var redoButton = document.createElement("li"); - redoButton.className = "wmd-button"; - redoButton.id = "wmd-redo-button"; - redoButton.title = toolbar_redo_label; - if (/win/.test(nav.platform.toLowerCase())) { - redoButton.title = toolbar_redo_label; - } - else { - // mac and other non-Windows platforms - redoButton.title = $.i18n._('redo') + " - Ctrl+Shift+Z"; - } - redoButton.XShift = "-240px"; - redoButton.execute = function(manager){ - manager.redo(); - }; - setupButton(redoButton, true); - 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")); - break; - case "i": - doClick(document.getElementById("wmd-italic-button")); - break; - case "l": - doClick(document.getElementById("wmd-link-button")); - break; - case ".": - doClick(document.getElementById("wmd-quote-button")); - break; - case "k": - doClick(document.getElementById("wmd-code-button")); - break; - case "g": - doClick(document.getElementById("wmd-image-button")); - break; - case "o": - doClick(document.getElementById("wmd-olist-button")); - break; - case "u": - doClick(document.getElementById("wmd-ulist-button")); - break; - case "h": - doClick(document.getElementById("wmd-heading-button")); - break; - case "r": - doClick(document.getElementById("wmd-hr-button")); - break; - case "y": - doClick(document.getElementById("wmd-redo-button")); - break; - case "z": - if(key.shiftKey) { - doClick(document.getElementById("wmd-redo-button")); - } - else { - doClick(document.getElementById("wmd-undo-button")); - } - break; - default: - return; - } - - - if (key.preventDefault) { - key.preventDefault(); - } - - if (top.event) { - top.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) { - fakeButton = {}; - fakeButton.textOp = command.doAutoindent; - doClick(fakeButton); - } - } - }); - - if (inputBox.form) { - var submitCallback = inputBox.form.onsubmit; - inputBox.form.onsubmit = function(){ - convertToHtml(); - if (submitCallback) { - return submitCallback.apply(this, arguments); - } - }; - } - }; - - // 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; - //value is assigned here - }; - - if (!/markdown/.test(wmd.wmd_env.output.toLowerCase())) { - if (markdownConverter) { - inputBox.value = markdownConverter.makeHtml(text); - //value is assigned here - top.setTimeout(callback, 0); - } - } - 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(); - } - if (div.parentNode) { - div.parentNode.removeChild(div); - } - if (inputBox) { - inputBox.style.marginTop = ""; - } - 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.moveEnd("character", -inputArea.value.length); - range.moveEnd("character", stateObj.end); - range.moveStart("character", stateObj.start); - 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 range; - if(wmd.ieRetardedClick && wmd.ieCachedRange) { - range = wmd.ieCachedRange; - wmd.ieRetardedClick = false; - } - else { - range = doc.selection.createRange(); - } - - var fixedRange = util.fixEolChars(range.text); - var marker = "\x07"; - 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--) { - fixedRange += "\n"; - stateObj.end += 1; - } - 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; - //value is assigned here - } - 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.scrollTop = chunk.scrollTop; - }; - - 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, - function(match){ - chunkObj.startTag = chunkObj.startTag + match; - return ""; - }); - - regex = util.extendRegExp(startRegex, "^", ""); - - 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; - return ""; - }); - - regex = util.extendRegExp(endRegex, "^", ""); - - this.after = this.after.replace(regex, - function(match){ - chunkObj.endTag = match + chunkObj.endTag; - return ""; - }); - } - }; - - // 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.skipLines = function(nLinesBefore, nLinesAfter, findExtraNewlines){ - - if (nLinesBefore === undefined) { - nLinesBefore = 1; - } - - if (nLinesAfter === undefined) { - nLinesAfter = 1; - } - - nLinesBefore++; - nLinesAfter++; - - var regexText; - var replacementText; - - this.selection = this.selection.replace(/(^\n*)/, ""); - this.startTag = this.startTag + re.$1; - this.selection = this.selection.replace(/(\n*$)/, ""); - this.endTag = this.endTag + re.$1; - this.startTag = this.startTag.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+$/, ""); - }; - - command.doBold = function(chunk, postProcessing){ - return command.doBorI(chunk, postProcessing, 2, "strong text"); - }; - - command.doItalic = function(chunk, postProcessing){ - return command.doBorI(chunk, postProcessing, 1, "emphasized text"); - }; - - // chunk: The selected region that will be enclosed with */** - // nStars: 1 for italics, 2 for bold - // insertText: If you just click the button without highlighting text, this gets inserted - command.doBorI = function(chunk, postProcessing, nStars, insertText){ - - // Get rid of whitespace and fixup newlines. - chunk.trimWhitespace(); - chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n"); - - // Look for stars before and after. Is the chunk already marked up? - chunk.before.search(/(\**$)/); - 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.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; - }; - - command.stripLinkDefs = function(text, defsToAdd){ - - text = text.replace(/^[ ]{0,3}\[(\d+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|$)/gm, - function(totalMatch, id, link, newlines, title){ - defsToAdd[id] = totalMatch.replace(/\s*$/, ""); - if (newlines) { - // Strip the title and return that separately. - defsToAdd[id] = totalMatch.replace(/["(](.+?)[")]$/, ""); - return newlines + title; - } - 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 addDefNumber = function(def){ - refNumber++; - def = def.replace(/^[ ]{0,3}\[(\d+)\]:/, " [" + refNumber + "]:"); - defs += "\n" + def; - }; - - var getLink = function(wholeMatch, link, id, end){ - - if (defsToAdd[id]) { - addDefNumber(defsToAdd[id]); - return link + 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, itemType){ - - 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 = (itemType == 'image') ? "![" : "["; - chunk.endTag = "](" + link + ")"; - - if (!chunk.selection) { - if (itemType == 'image') { - chunk.selection = $.i18n._("image description"); - } - else if (itemType == 'file'){ - chunk.selection = localUploadFileName || $.i18n._("file name"); - localUploadFileName = null; - } - else { - chunk.selection = $.i18n._("link text"); - } - } - } - else { - if (itemType == 'image' || itemType == 'file'){ - return; - } - } - postProcessing(); - }; - - if (itemType == 'image') { - // add forth param to identify image window - util.prompt(imageDialogText, imageDefaultText, makeLinkMarkdown, 'image'); - } - else if (itemType == 'file'){ - util.prompt(fileDialogText, '', makeLinkMarkdown, 'file'); - } - else { - util.prompt(linkDialogText, linkDefaultText, makeLinkMarkdown, 'link'); - } - 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 timeout; - var elapsedTime; - var oldInputText; - 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 - if (doc.documentElement && doc.documentElement.scrollTop) { - result = doc.documentElement.scrollTop; - } - 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(); - } - else { - 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. - if (wmd.panels.output.value !== undefined) { - wmd.panels.output.value = text; - //value is assigned here - wmd.panels.output.readOnly = true; - } - // Otherwise we are just replacing the text in a div. - // Send the HTML wrapped in <pre><code> - else { - var newText = text.replace(/&/g, "&"); - newText = newText.replace(/</g, "<"); - 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); - }, 0); - } - else { - top.scrollBy(0, fullTop - emptyTop); - } - }; - - var init = function(){ - - setupEvents(wmd.panels.input, applyTimeout); - makePreviewHtml(); - - if (wmd.panels.preview) { - wmd.panels.preview.scrollTop = 0; - } - if (wmd.panels.output) { - wmd.panels.output.scrollTop = 0; - } - }; - - this.destroy = function(){ - if (poller) { - poller.destroy(); - } - }; - - init(); - }; - - // When making a list, hitting shift-enter will put your cursor on the next line - // at the current indent level. - command.doAutoindent = function(chunk, postProcessing){ - - 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"); - - if(/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]+.*\n$/.test(chunk.before)){ - if(command.doList){ - command.doList(chunk); - } - } - if(/(\n|^)[ ]{0,3}>[ \t]+.*\n$/.test(chunk.before)){ - if(command.doBlockquote){ - command.doBlockquote(chunk); - } - } - if(/(\n|^)(\t|[ ]{4,}).*\n$/.test(chunk.before)){ - if(command.doCode){ - command.doCode(chunk); - } - } - }; - - command.doBlockquote = function(chunk, postProcessing){ - - chunk.selection = chunk.selection.replace(/^(\n*)([^\r]+?)(\n*)$/, - 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"; - - if(chunk.before){ - chunk.before = chunk.before.replace(/\n?$/,"\n"); - } - if(chunk.after){ - chunk.after = chunk.after.replace(/^\n?/,"\n"); - } - - chunk.before = chunk.before.replace(/(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*$)/, - 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$/, - function(totalMatch, markdown){ - return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n"; - }); - } - if(chunk.endTag){ - chunk.endTag = chunk.endTag.replace(/^\n((>|\s)*)\n/, - function(totalMatch, markdown){ - return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n"; - }); - } - }; - - if(/^(?![ ]{0,3}>)/m.test(chunk.selection)){ - command.wrap(chunk, wmd.wmd_env.lineLength - 2); - chunk.selection = chunk.selection.replace(/^/gm, "> "); - replaceBlanksInTags(true); - chunk.skipLines(); - } - else{ - chunk.selection = chunk.selection.replace(/^[ ]{0,3}> ?/gm, ""); - command.unwrap(chunk); - replaceBlanksInTags(false); - - if(!/^(\n|^)[ ]{0,3}>/.test(chunk.selection) && chunk.startTag){ - chunk.startTag = chunk.startTag.replace(/\n{0,2}$/, "\n\n"); - } - - if(!/(\n|^)[ ]{0,3}>.*$/.test(chunk.selection) && chunk.endTag){ - chunk.endTag=chunk.endTag.replace(/^\n{0,2}/, "\n\n"); - } - } - - if(!/\n/.test(chunk.selection)){ - chunk.selection = chunk.selection.replace(/^(> *)/, - function(wholeMatch, blanks){ - chunk.startTag += blanks; - return ""; - }); - } - }; - - command.doCode = function(chunk, postProcessing){ - - var hasTextBefore = /\S[ ]*$/.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)){ - chunk.selection = chunk.selection.replace(/^/gm, " "); - } - 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=""; - } - } - }; - - command.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"); - command.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.$1; - } - nLinesUp = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0; - return getPrefixedItem(itemText); - }); - - if(!chunk.selection){ - chunk.selection = "List item"; - } - - var prefix = getItemPrefix(); - - var nLinesDown = 1; - - chunk.after = chunk.after.replace(nextItemsRegex, - function(itemText){ - nLinesDown = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0; - return getPrefixedItem(itemText); - }); - - chunk.trimWhitespace(true); - chunk.skipLines(nLinesUp, nLinesDown, true); - chunk.startTag = prefix; - var spaces = prefix.replace(/./g, " "); - command.wrap(chunk, wmd.wmd_env.lineLength - spaces.length); - chunk.selection = chunk.selection.replace(/\n/g, "\n" + spaces); - - }; - - command.doHeading = function(chunk, postProcessing){ - - // Remove leading/trailing whitespace and reduce internal spaces to single spaces. - chunk.selection = chunk.selection.replace(/\s+/g, " "); - chunk.selection = chunk.selection.replace(/(^\s+|\s+$)/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 > wmd.wmd_env.lineLength){ - len = wmd.wmd_env.lineLength; - } - chunk.endTag = "\n"; - while(len--){ - chunk.endTag += headerChar; - } - } - }; - - command.doHorizontalRule = function(chunk, postProcessing){ - chunk.startTag = "----------\n"; - chunk.selection = ""; - chunk.skipLines(2, 1, true); - } -}; - - -Attacklab.wmd_env = {}; -Attacklab.account_options = {}; -Attacklab.wmd_defaults = {version:1, output:"Markdown", lineLength:40, delayLoad:false}; - -if(!Attacklab.wmd) -{ - Attacklab.wmd = function() - { - Attacklab.loadEnv = function() - { - var mergeEnv = function(env) - { - if(!env) - { - 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(); -}; - |