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wmd-base.js
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wmd-base.js
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var Attacklab = Attacklab || {};
Attacklab.wmdBase = function () {
var self = top;
var wmd = self["Attacklab"];
var doc = self["document"];
var RE = self["RegExp"];
var nav = self["navigator"];
wmd.Util = {};
wmd.Position = {};
wmd.Command = {};
var util = wmd.Util;
var position = wmd.Position;
var command = wmd.Command;
wmd.Util.IE = (nav.userAgent.indexOf("MSIE") != -1);
wmd.Util.oldIE = (nav.userAgent.indexOf("MSIE 6.") != -1 || nav.userAgent.indexOf("MSIE 5.") != -1);
wmd.Util.newIE = !wmd.Util.oldIE && wmd.Util.IE;
util.makeElement = function (type, noStyle) {
var elem = doc.createElement(type);
if (!noStyle) {
var style = elem.style;
style.margin = "0";
style.padding = "0";
style.clear = "none";
style.cssFloat = "none";
style.textAlign = "left";
style.position = "relative";
style.lineHeight = "1em";
style.border = "none";
style.color = "black";
style.backgroundRepeat = "no-repeat";
style.backgroundImage = "none";
style.minWidth = style.minHeight = "0";
style.maxWidth = style.maxHeight = "90000px";
}
return elem;
};
util.getStyle = function (el, prop) {
var upcaseDash = function (str) {
return str.replace(/-(\S)/g, function (_, m1) {
return m1.toUpperCase();
});
};
if (el.currentStyle) {
prop = upcaseDash(prop);
return el.currentStyle[prop];
} else if (self.getComputedStyle) {
return doc.defaultView.getComputedStyle(el, null).getPropertyValue(prop);
}
return "";
};
util.getElementsByClass = function (cls, context, tag) {
var result = [];
if (context == null) {
context = doc;
}
if (tag == null) {
tag = "*";
}
var els = context.getElementsByTagName(tag);
var nels = els.length;
var re = new RE("(^|\\s)" + cls + "(\\s|$)");
for (var i = 0, j = 0; i < nels; i++) {
if (re.test(els[i].className.toLowerCase())) {
result[j] = els[i];
j++;
}
}
return result;
};
util.addEvent = function (el, event, listener) {
if (el.attachEvent) {
el.attachEvent("on" + event, listener);
} else {
el.addEventListener(event, listener, false);
}
};
util.removeEvent = function (el, event, listener) {
if (el.detachEvent) {
el.detachEvent("on" + event, listener);
} else {
el.removeEventListener(event, listener, false);
}
};
util.regexToString = function (re) {
var result = {};
var str = re.toString();
result.expression = str.replace(/\/([gim]*)$/, "");
result.flags = RE.$1;
result.expression = result.expression.replace(/(^\/|\/$)/g, "");
return result;
};
util.stringToRegex = function (str) {
return new RE(str.expression, str.flags);
};
util.elementOk = function (el) {
if (!el || !el.parentNode) {
return false;
}
if (util.getStyle(el, "display") == "none") {
return false;
}
return true;
};
util.skin = function (el, bgimg, height, width) {
var style;
var msie = (nav.userAgent.indexOf("MSIE") != -1);
if (msie) {
util.fillers = [];
}
var halfh = height / 2;
for (var corner = 0; corner < 4; corner++) {
var div = util.makeElement("div");
style = div.style;
style.overflow = "hidden";
style.padding = "0";
style.margin = "0";
style.lineHeight = "0px";
style.height = halfh + "px";
style.width = "50%";
style.maxHeight = halfh + "px";
style.position = "absolute";
if (corner & 1) {
style.top = "0";
} else {
style.bottom = -height + "px";
}
left.zIndex = "-1000";
if (corner & 2) {
style.left = "0";
} else {
style.marginLeft = "50%";
}
if (msie) {
var span = util.makeElement("span");
style = span.style;
style.height = "100%";
style.width = width;
style.filter = "progid:DXImageTransform.Microsoft." +
"AlphaImageLoader(src='" + wmd.basePath + "images/bg.png')";
style.position = "absolute";
if (corner & 1) {
style.top = "0";
} else {
style.bottom = "0";
}
if (corner & 2) {
style.left = "0";
} else {
style.right = "0";
}
div.appendChild(span);
} else {
style.backgroundImage = "url(" + bgimg + ")";
style.backgroundPosition= (corner & 2 ? "left" : "right") +
" " + (corner & 1 ? "top" : "bottom");
}
el.appendChild(div);
}
var fill = function (left) {
var div = util.makeElement("div");
if (util.fillers) {
util.fillers.push(div);
}
style = div.style;
style.overflow = "hidden";
style.padding = "0";
style.margin = "0";
style.marginTop = halfh + "px";
style.lineHeight = "0px";
style.height = "100%";
style.width = "50%";
style.position = "absolute";
style.zIndex = "-1000";
if (msie) {
var span = util.makeElement("span");
style = span.style;
style.height = "100%";
style.width = width;
style.filter = "progid:DXImageTransform.Microsoft." +
"AlphaImageLoader(src='" + wmd.basePath +
"images/bg-fill.png',sizingMethod='scale')";
style.position = "absolute";
div.appendChild(span);
if (left) {
style.left = "0";
} else {
style.right = "0";
}
} else {
style.backgroundImage = "url(" + wmd.basePath + "images/bg-fill.png)";
style.backgroundRepeat = "repeat-y";
if (left) {
style.backgroundPosition = "left top";
} else {
style.backgroundPosition = "right top";
}
}
if (!left) {
div.style.marginLeft = "50%";
}
return div;
};
el.appendChild(fill(true));
el.appendChild(fill(false));
};
util.setImage = function (el, img) {
img = wmd.basePath + img;
if (nav.userAgent.indexOf("MSIE") != -1) {
var child = el.firstChild;
var style = child.style;
style.filter = "progid:DXImageTransform.Microsoft." +
"AlphaImageLoader(src='" + img + "')";
} else {
el.src = img;
}
return el;
};
util.createImage = function (img, width, height) {
img = wmd.basePath + img;
if (nav.userAgent.indexOf("MSIE") != -1) {
var el = util.makeElement("span");
var style = el.style;
style.display = "inline-block";
style.height = "1px";
style.width = "1px";
el.unselectable = "on";
var span = util.makeElement("span");
style = span.style;
style.display = "inline-block";
style.height = "1px";
style.width = "1px";
style.filter = "progid:DXImageTransform.Microsoft." +
"AlphaImageLoader(src='" + img + "')";
span.unselectable = "on";
el.appendChild(span);
} else {
var el = util.makeElement("img");
el.style.display = "inline";
el.src = img;
}
el.style.border = "none";
el.border = "0";
if (width && height) {
el.style.width = width + "px";
el.style.height = height + "px";
}
return el;
};
util.prompt = function (text, defval, callback) {
var style;
var frame, background, input;
var checkEscape = function (key) {
var code = (key.charCode || key.keyCode);
if (code == 27) {
close(true);
}
};
var close = function (isCancel) {
util.removeEvent(doc.body, "keydown", checkEscape);
var text = input.value;
if (isCancel) {
text = null;
}
frame.parentNode.removeChild(frame);
background.parentNode.removeChild(background);
callback(text);
return false;
};
if (defval == undefined) {
defval = "";
}
var showBackground = function () {
background = util.makeElement("div");
style = background.style;
doc.body.appendChild(background);
style.position = "absolute";
style.top = "0";
style.left = "0";
style.backgroundColor = "#000";
style.zIndex = "1000";
var isKonq = /konqueror/.test(nav.userAgent.toLowerCase());
if (isKonq) {
style.backgroundColor="transparent";
} else {
style.opacity = "0.5";
style.filter = "alpha(opacity=50)";
}
var pageSize = position.getPageSize();
style.width = "100%";
style.height = pageSize[1] + "px";
};
var makeForm = function () {
frame = doc.createElement("div");
style = frame.style;
style.border = "3px solid #333";
style.backgroundColor = "#ccc";
style.padding = "10px;";
style.borderTop = "3px solid white";
style.borderLeft = "3px solid white";
style.position = "fixed";
style.width = "400px";
style.zIndex = "1001";
var question = util.makeElement("div");
style = question.style;
style.fontSize = "14px";
style.fontFamily = "Helvetica, Arial, Verdana, sans-serif";
style.padding = "5px";
question.innerHTML = text;
frame.appendChild(question);
var form = util.makeElement("form");
form.onsubmit = function () {
return close();
};
style = form.style;
style.padding = "0";
style.margin = "0";
style.cssFloat = "left";
style.width = "100%";
style.textAlign = "center";
style.position = "relative";
frame.appendChild(form);
input = doc.createElement("input");
input.value = defval;
style = input.style;
style.display = "block";
style.width = "80%";
style.marginLeft = style.marginRight = "auto";
style.backgroundColor = "white";
style.color = "black";
form.appendChild(input);
var okButton = doc.createElement("input");
okButton.type = "button";
okButton.onclick = function () {
return close();
};
okButton.value = "OK";
style = okButton.style;
style.margin = "10px";
style.display = "inline";
style.width = "7em";
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";
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);
style = frame.style;
style.top = "50%";
style.left = "50%";
style.display = "block";
if (wmd.Util.oldIE) {
style.position = "absolute";
style.top = doc.documentElement.scrollTop + 200 + "px";
style.left = "50%";
}
doc.body.appendChild(frame);
style.marginTop = -(position.getHeight(frame) / 2) + "px";
style.marginLeft = -(position.getWidth(frame) / 2) + "px";
};
showBackground();
self.setTimeout(function () {
makeForm();
var deflen = defval.length;
if (input.selectionStart != undefined) {
input.selectionStart = 0;
input.selectionEnd = deflen;
} else if (input.createTextRange) {
var range = input.createTextRange();
range.collapse(false);
range.moveStart("character", -deflen);
range.moveEnd("character", deflen);
range.select();
}
input.focus();
}, 0);
};
util.objectsEqual = function(lhs, rhs) {
for (var key in lhs) {
if (lhs[key] != rhs[key]) {
return false;
}
}
for (key in rhs) {
if (lhs[key] != rhs[key]) {
return false;
}
}
return true;
};
util.cloneObject = function (obj) {
var result = {};
for (var key in obj) {
result[key] = obj[key];
}
return result;
};
util.escapeUnderscores = function (str) {
return str.replace(/(\S)(_+)(\S)/g, function (_, m1, m2, m3) {
return m1 + m2.replace(/_/g, "_") + m3;
});
};
position.getPageSize = function () {
var scrollWidth, scrollHeight;
var maxWidth, maxHeight;
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;
}
var innerWidth, innerHeight;
if (self.innerHeight) {
innerWidth = self.innerWidth;
innerHeight = self.innerHeight;
} else if (doc.documentElement && doc.documentElement.clientHeight) {
innerWidth = doc.documentElement.clientWidth;
innerHeight = doc.documentElement.clientHeight;
} else if (doc.body) {
innerWidth = doc.body.clientWidth;
innerHeight = doc.body.clientHeight;
}
maxWidth = Math.max(scrollWidth, innerWidth);
maxHeight = Math.max(scrollHeight, innerHeight);
return [maxWidth, maxHeight, innerWidth, innerHeight];
};
position.getPixelVal = function (val) {
if (val && /^(-?\d+(\.\d*)?)px$/.test(val)) {
return RE.$1;
}
return undefined;
};
position.getTop = function (el, isInner) {
var result = el.offsetTop;
if (!isInner) {
while (el = el.offsetParent) {
result += el.offsetTop;
}
}
return result;
};
position.setTop = function (el, newTop, isInner) {
var curTop = position.getPixelVal(el.style.top);
if (curTop == undefined) {
el.style.top = newTop + "px";
curTop = newTop;
}
var offset = position.getTop(el, isInner) - curTop;
el.style.top = (newTop - offset) + "px";
};
position.getLeft = function (el, isInner) {
var result = el.offsetLeft;
if (!isInner) {
while (el = el.offsetParent) {
result += el.offsetLeft;
}
}
return result;
};
position.setLeft = function (el, newLeft, isInner) {
var curLeft = position.getPixelVal(el.style.left);
if (curLeft == undefined) {
el.style.left = newLeft + "px";
curLeft = newLeft;
}
var offset = position.getLeft(el, isInner) - curLeft;
el.style.left = (newLeft - offset) + "px";
};
position.getHeight = function (el) {
return el.offsetHeight || el.scrollHeight;
};
position.setHeight = function (el, newHeight) {
var curHeight = position.getPixelVal(el.style.height);
if (curHeight == undefined) {
el.style.height = newHeight + "px";
curHeight = newHeight;
}
var offset = position.getHeight(el) - curHeight;
if (offset > newHeight) {
offset = newHeight;
}
el.style.height = (newHeight - offset) + "px";
};
position.getWidth = function (el) {
return el.offsetWidth || el.scrollWidth;
};
position.setWidth = function (el, newWidth) {
var curWidth = position.getPixelVal(el.style.width);
if (curWidth == undefined) {
el.style.width = newWidth + "px";
curWidth = newWidth;
}
var offset = position.getWidth(el) - curWidth;
if (offset > newWidth) {
offset = newWidth;
}
el.style.width = (newWidth - offset) + "px";
};
position.getWindowHeight = function () {
if (self.innerHeight) {
return self.innerHeight;
} else if (doc.documentElement && doc.documentElement.clientHeight) {
return doc.documentElement.clientHeight;
} else if (doc.body) {
return doc.body.clientHeight;
}
};
wmd.inputPoller = function (el, callback, interval) {
var poller = this;
var lastStart;
var lastEnd;
var lastValue, handle;
this.tick = function () {
if (!util.elementOk(el)) {
return;
}
if (el.selectionStart || el.selectionStart == 0) {
var start = el.selectionStart;
var end = el.selectionEnd;
if (start != lastStart || end != lastEnd) {
lastStart = start;
lastEnd = end;
if (lastValue != el.value) {
lastValue = el.value;
return true;
}
}
}
return false;
};
var poll = function () {
if (util.getStyle(el, "display") == "none") {
return;
}
if (poller.tick()) {
callback();
}
};
var init = function () {
if (interval == undefined) {
interval = 500;
}
handle = self.setInterval(poll, interval);
};
this.destroy = function () {
self.clearInterval(handle);
};
init();
};
wmd.undoManager = function (el, callback) {
var undoObj = this;
var undoBuf = [];
var undoPtr = 0;
var mode = "none";
var lastState;
var poller;
var timer;
var stateObj;
var setMode = function (newMode, noSave) {
if (mode != newMode) {
mode = newMode;
if (!noSave) {
saveState();
}
}
if (!wmd.Util.IE || mode != "moving") {
timer = self.setTimeout(refreshState, 1);
} else {
stateObj = null;
}
};
var refreshState = function () {
stateObj = new wmd.textareaState(el);
poller.tick();
timer = undefined;
};
this.setCommandMode = function () {
mode = "command";
saveState();
timer = self.setTimeout(refreshState, 0);
};
this.canUndo = function () {
return undoPtr > 1;
};
this.canRedo = function () {
return undoBuf[undoPtr + 1] != undefined;
};
this.undo = function () {
if (undoObj.canUndo()) {
if (lastState) {
lastState.restore();
lastState = null;
} else {
undoBuf[undoPtr] = new wmd.textareaState(el);
undoBuf[--undoPtr].restore();
if (callback) {
callback();
}
}
}
mode = "none";
el.focus();
refreshState();
};
this.redo = function () {
if (undoObj.canRedo()) {
undoBuf[++undoPtr].restore();
if (callback) {
callback();
}
}
mode = "none";
el.focus();
refreshState();
};
var saveState = function () {
var curState = stateObj || new wmd.textareaState(el);
if (!curState) {
return false;
}
if (mode == "moving") {
if (!lastState) {
lastState = curState;
}
return;
}
if (lastState) {
if (undoBuf[undoPtr-1].text != lastState.text) {
undoBuf[undoPtr++] = lastState;
}
lastState = null;
}
undoBuf[undoPtr++] = curState;
undoBuf[undoPtr + 1] = null;
if (callback) {
callback();
}
};
var handleUndoRedo = function (event) {
var handled = false;
if (event.ctrlKey || event.metaKey) {
var code = (event.charCode || event.keyCode) | 96;
var codeStr = String.fromCharCode(code);
switch (codeStr) {
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 (self.event) {
self.event.returnValue = false;
}
return;
}
};
var handleModeChange = function (event) {
if (!event.ctrlKey && !event.metaKey) {
var code = event.keyCode;
if ((code >= 33 && code <= 40) || (code >= 63232 && code <= 63235)) {
setMode("moving");
} else if (code == 8 || code == 46 || code == 127) {
setMode("deleting");
} else if (code == 13) {
setMode("newlines");
} else if (code == 27) {
setMode("escape");
} else if ((code < 16 || code > 20) && code != 91) {
setMode("typing");
}
}
};
var setEventHandlers = function () {
util.addEvent(el, "keypress", function (event) {
if ((event.ctrlKey || event.metaKey)
&& (event.keyCode == 89 || event.keyCode == 90)) {
event.preventDefault();
}
});
var handlePaste = function () {
if (wmd.Util.IE || (stateObj && stateObj.text != el.value)) {
if (timer == undefined) {
mode = "paste";
saveState();
refreshState();
}
}
};
poller = new wmd.inputPoller(el, handlePaste, 100);
util.addEvent(el, "keydown", handleUndoRedo);
util.addEvent(el, "keydown", handleModeChange);
util.addEvent(el, "mousedown", function () {
setMode("moving");
});
el.onpaste = handlePaste;
el.ondrop = handlePaste;
};
var init = function () {
setEventHandlers();
refreshState();
saveState();
};
this.destroy = function () {
if (poller) {
poller.destroy();
}
};
init();
};
wmd.editor=function(_b0,_b1){
if(!_b1){
_b1=function(){
};
}
var _b2=28;
var _b3=4076;
var _b4=0;
var _b5,_b6;
var _b7=this;
var _b8,_b9;
var _ba,_bb,_bc;
var _bd,_be,_bf;
var _c0=[];
var _c1=function(_c2){
if(_bd){
_bd.setCommandMode();
}
var _c3=new wmd.textareaState(_b0);
if(!_c3){
return;
}
var _c4=_c3.getChunks();
var _c5=function(){
_b0.focus();
if(_c4){
_c3.setChunks(_c4);
}
_c3.restore();
_b1();
};
var _c6=_c2(_c4,_c5);
if(!_c6){
_c5();
}
};
var _c7=function(_c8){
_b0.focus();
if(_c8.textOp){
_c1(_c8.textOp);
}
if(_c8.execute){
_c8.execute(_b7);
}
};
var _c9=function(_ca,_cb){
var _cc=_ca.style;
if(_cb){
_cc.opacity="1.0";
_cc.KHTMLOpacity="1.0";
if(wmd.Util.newIE){
_cc.filter="";
}
if(wmd.Util.oldIE){
_cc.filter="chroma(color=fuchsia)";
}
_cc.cursor="pointer";
_ca.onmouseover=function(){
_cc.backgroundColor="lightblue";
_cc.border="1px solid blue";
};
_ca.onmouseout=function(){
_cc.backgroundColor="";
_cc.border="1px solid transparent";
if(wmd.Util.oldIE){
_cc.borderColor="fuchsia";
_cc.filter="chroma(color=fuchsia)"+_cc.filter;
}
};
}else{
_cc.opacity="0.4";
_cc.KHTMLOpacity="0.4";
if(wmd.Util.oldIE){
_cc.filter="chroma(color=fuchsia) alpha(opacity=40)";
}
if(wmd.Util.newIE){
_cc.filter="alpha(opacity=40)";
}
_cc.cursor="";
_cc.backgroundColor="";
if(_ca.onmouseout){
_ca.onmouseout();
}
_ca.onmouseover=_ca.onmouseout=null;
}
};
var _cd=function(_ce){
_ce&&_c0.push(_ce);
};
var _cf=function(){
_c0.push("|");
};
var _d0=function(){
var _d1=util.createImage("images/separator.png",20,20);
_d1.style.padding="4px";
_d1.style.paddingTop="0px";
_b9.appendChild(_d1);
};
var _d2=function(_d3){
if(_d3.image){
var _d4=util.createImage(_d3.image,16,16);
_d4.border=0;
if(_d3.description){
var _d5=_d3.description;
if(_d3.key){
var _d6=" Ctrl+";
_d5+=_d6+_d3.key.toUpperCase();
}
_d4.title=_d5;
}
_c9(_d4,true);
var _d7=_d4.style;
_d7.margin="0px";
_d7.padding="1px";
_d7.marginTop="7px";
_d7.marginBottom="5px";
_d4.onmouseout();
var _d8=_d4;
_d8.onclick=function(){
if(_d8.onmouseout){
_d8.onmouseout();
}
_c7(_d3);
return false;
};
_b9.appendChild(_d8);
return _d8;
}
return;
};
var _d9=function(){
for(var _da in _c0){
if(_c0[_da]=="|"){
_d0();
}else{
_d2(_c0[_da]);
}
}
};
var _db=function(){
if(_bd){
_c9(_be,_bd.canUndo());
_c9(_bf,_bd.canRedo());
}
};
var _dc=function(){
if(_b0.offsetParent){
_ba=util.makeElement("div");
var _dd=_ba.style;
_dd.visibility="hidden";
_dd.top=_dd.left=_dd.width="0px";
_dd.display="inline";
_dd.cssFloat="left";
_dd.overflow="visible";
_dd.opacity="0.999";
_b8.style.position="absolute";
_ba.appendChild(_b8);
_b0.style.marginTop="";
var _de=position.getTop(_b0);
_b0.style.marginTop="0";
var _df=position.getTop(_b0);
_b4=_de-_df;
_e0();
_b0.parentNode.insertBefore(_ba,_b0);
_e1();
util.skin(_b8,wmd.basePath+"images/bg.png",_b2,_b3);
_dd.visibility="visible";
return true;
}
return false;
};
var _e2=function(){
var _e3=wmd.wmd_env.buttons.split(/\s+/);
for(var _e4 in _e3){
switch(_e3[_e4]){
case "|":
_cf();
break;
case "bold":
_cd(command.bold);
break;
case "italic":
_cd(command.italic);
break;
case "link":
_cd(command.link);
break;
}
if(wmd.full){
switch(_e3[_e4]){
case "blockquote":
_cd(command.blockquote);
break;
case "code":
_cd(command.code);
break;