+ } else if(obj.createTextRange) {
+ var range = obj.createTextRange();
+ range.move("character", pos);
+ range.select();
+ }
+}
+
+qwebirc.util.setAtEnd = function(obj) {
+ qwebirc.util.setCaretPos(obj.value.length);
+}
+
+qwebirc.util.getCaretPos = function(element) {
+ if($defined(element.selectionStart))
+ return element.selectionStart;
+
+ if(document.selection) {
+ element.focus();
+ var sel = document.selection.createRange();
+ sel.moveStart("character", -element.value.length);
+ return sel.text.length;
+ }
+}
+
+qwebirc.util.browserVersion = function() {
+ //return "engine: " + Browser.Engine.name + " platform: " + Browser.Platform.name + " user agent: " + navigator.userAgent;
+ return navigator.userAgent;
+}
+
+qwebirc.util.getEnclosedWord = function(text, position) {
+ var l = text.split("");
+ var buf = [];
+
+ if(text == "")
+ return;
+
+ var start = position - 1;
+ if(start < 0) {
+ /* special case: starting with space */
+ start = 0;
+ } else {
+ /* work back until we find the first space */
+ for(;start>=0;start--) {
+ if(l[start] == ' ') {
+ start = start + 1;
+ break;
+ }
+ }
+ }
+
+ if(start < 0)
+ start = 0;
+
+ var s = text.substring(start);
+ var pos = s.indexOf(" ");
+ if(pos != -1)
+ s = s.substring(0, pos);
+
+ return [start, s];
+}
+
+String.prototype.startsWith = function(what) {
+ return this.substring(0, what.length) == what;
+}
+
+/* NOT cryptographically secure! */
+qwebirc.util.randHexString = function(numBytes) {
+ var getByte = function() {
+ return (((1+Math.random())*0x100)|0).toString(16).substring(1);
+ };
+
+ var l = [];
+ for(var i=0;i<numBytes;i++)
+ l.push(getByte());
+
+ return l.join("");
+}
+
+qwebirc.util.importJS = function(name, watchFor, onload) {
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.src = name;
+
+ if(Browser.Engine.trident) {
+ /* HORRID */
+ var checkFn = function() {
+ if(eval("typeof " + watchFor) != "undefined") {
+ onload();
+ } else {
+ checkFn.delay(100);
+ }
+ }
+ checkFn();
+ } else {
+ script.onload = onload;
+ }
+ document.getElementsByTagName("head")[0].appendChild(script);
+}
+
+qwebirc.util.createInput = function(type, parent, name, selected, id) {
+ var created = false;
+ var r;
+ if (name)
+ name = "__input" + name;
+
+ if (Browser.Engine.trident) {
+ var name2;
+ if (name) {
+ name2 = " name=\"" + escape(name) + "\"";
+ } else {
+ name2 = "";
+ }
+ try {
+ var h = "<input type=\"" + type + "\"" + name2 + "/>";
+ r = $(document.createElement(h));
+ if (type == "radio") {
+ r.addEvent("click", function () {
+ $(document.body).getElements("input[name=" + name + "]").forEach(function (x) {
+ x.setAttribute("defaultChecked", x.checked ? "defaultChecked" : "");
+ });
+ });
+ }
+ created = true;
+ } catch (e) {
+ /* fallthough, trying it the proper way... */
+ }
+ }
+
+ if(!created) {
+ r = new Element("input");
+ r.setAttribute("type", type);
+ }
+ if(name)
+ r.setAttribute("name", name);
+ if(id)
+ r.setAttribute("id", id);
+ if(selected) {
+ r.setAttribute("checked", "checked");
+ if(type == "radio" && Browser.Engine.trident)
+ r.setAttribute("defaultChecked", "defaultChecked");
+ }
+
+ parent.appendChild(r);
+ return r;
+}
+
+/* From: www.webtoolkit.info */
+qwebirc.util.b64Table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+qwebirc.util.b64Encode = function(data) {
+ var output = [];
+ var table = qwebirc.util.b64Table;
+ for(var i=0;i<data.length;) {
+ var chr1 = data.charCodeAt(i++);
+ var chr2 = data.charCodeAt(i++);
+ var chr3 = data.charCodeAt(i++);
+
+ var enc1 = chr1 >> 2;
+ var enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+ var enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+ var enc4 = chr3 & 63;
+
+ if(isNaN(chr2)) {
+ enc3 = enc4 = 64;
+ } else if(isNaN(chr3)) {
+ enc4 = 64;
+ }
+
+ output.push(table.charAt(enc1) + table.charAt(enc2) + table.charAt(enc3) + table.charAt(enc4));
+ }
+ return output.join("");
+}
+
+/* From: www.webtoolkit.info */
+qwebirc.util.b64Decode = function(data) {
+ data = data.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+
+ var output = [];
+ var table = qwebirc.util.b64Table;
+
+ /* grossly inefficient... so sue me */
+ while(data.length % 4 != 0)
+ data = data + "=";
+
+ for(var i=0;i<data.length;) {
+ var enc1 = table.indexOf(data.charAt(i++));
+ var enc2 = table.indexOf(data.charAt(i++));
+ var enc3 = table.indexOf(data.charAt(i++));
+ var enc4 = table.indexOf(data.charAt(i++));
+
+ var chr1 = (enc1 << 2) | (enc2 >> 4);
+ var chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+ var chr3 = ((enc3 & 3) << 6) | enc4;
+
+ output.push(String.fromCharCode(chr1));
+ if (enc3 != 64)
+ output.push(String.fromCharCode(chr2));
+ if (enc4 != 64)
+ output.push(String.fromCharCode(chr3));
+ }
+
+ return output.join("");