+/*
+Last Modified: 29/01/07 14:16:09
+
+AJS JavaScript library
+ A very small library with a lot of functionality
+AUTHOR
+ 4mir Salihefendic (http://amix.dk) - amix@amix.dk
+LICENSE
+ Copyright (c) 2006 Amir Salihefendic. All rights reserved.
+ Copyright (c) 2005 Bob Ippolito. All rights reserved.
+ http://www.opensource.org/licenses/mit-license.php
+VERSION
+ 3.7
+SITE
+ http://orangoo.com/AmiNation/AJS
+**/
+if(!AJS) {
+var AJS = {
+ BASE_URL: "",
+
+ drag_obj: null,
+ drag_elm: null,
+ _drop_zones: [],
+ _drag_zones: [],
+ _cur_pos: null,
+
+ ajaxErrorHandler: null,
+
+////
+// General accessor functions
+////
+ getQueryArgument: function(var_name) {
+ var query = window.location.search.substring(1);
+ var vars = query.split("&");
+ for (var i=0;i<vars.length;i++) {
+ var pair = vars[i].split("=");
+ if (pair[0] == var_name) {
+ return pair[1];
+ }
+ }
+ return null;
+ },
+
+ isIe: function() {
+ return (navigator.userAgent.toLowerCase().indexOf("msie") != -1 && navigator.userAgent.toLowerCase().indexOf("opera") == -1);
+ },
+ isNetscape7: function() {
+ return (navigator.userAgent.toLowerCase().indexOf("netscape") != -1 && navigator.userAgent.toLowerCase().indexOf("7.") != -1);
+ },
+ isSafari: function() {
+ return (navigator.userAgent.toLowerCase().indexOf("khtml") != -1);
+ },
+ isOpera: function() {
+ return (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
+ },
+ isMozilla: function() {
+ return (navigator.userAgent.toLowerCase().indexOf("gecko") != -1 && navigator.productSub >= 20030210);
+ },
+
+
+////
+// Array functions
+////
+ //Shortcut: AJS.$A
+ createArray: function(v) {
+ if(AJS.isArray(v) && !AJS.isString(v))
+ return v;
+ else if(!v)
+ return [];
+ else
+ return [v];
+ },
+
+ forceArray: function(args) {
+ var r = [];
+ AJS.map(args, function(elm) {
+ r.push(elm);
+ });
+ return r;
+ },
+
+ join: function(delim, list) {
+ try {
+ return list.join(delim);
+ }
+ catch(e) {
+ var r = list[0] || '';
+ AJS.map(list, function(elm) {
+ r += delim + elm;
+ }, 1);
+ return r + '';
+ }
+ },
+
+ isIn: function(elm, list) {
+ var i = AJS.getIndex(elm, list);
+ if(i != -1)
+ return true;
+ else
+ return false;
+ },
+
+ getIndex: function(elm, list/*optional*/, eval_fn) {
+ for(var i=0; i < list.length; i++)
+ if(eval_fn && eval_fn(list[i]) || elm == list[i])
+ return i;
+ return -1;
+ },
+
+ getFirst: function(list) {
+ if(list.length > 0)
+ return list[0];
+ else
+ return null;
+ },
+
+ getLast: function(list) {
+ if(list.length > 0)
+ return list[list.length-1];
+ else
+ return null;
+ },
+
+ update: function(l1, l2) {
+ for(var i in l2)
+ l1[i] = l2[i];
+ return l1;
+ },
+
+ flattenList: function(list) {
+ var r = [];
+ var _flatten = function(r, l) {
+ AJS.map(l, function(o) {
+ if(o == null) {}
+ else if (AJS.isArray(o))
+ _flatten(r, o);
+ else
+ r.push(o);
+ });
+ }
+ _flatten(r, list);
+ return r;
+ },
+
+
+////
+// Functional programming
+////
+ map: function(list, fn,/*optional*/ start_index, end_index) {
+ var i = 0, l = list.length;
+ if(start_index)
+ i = start_index;
+ if(end_index)
+ l = end_index;
+ for(i; i < l; i++)
+ fn.apply(null, [list[i], i]);
+ },
+
+ rmap: function(list, fn) {
+ var i = list.length-1, l = 0;
+ for(i; i >= l; i--)
+ fn.apply(null, [list[i], i]);
+ },
+
+ filter: function(list, fn, /*optional*/ start_index, end_index) {
+ var r = [];
+ AJS.map(list, function(elm) {
+ if(fn(elm))
+ r.push(elm);
+ }, start_index, end_index);
+ return r;
+ },
+
+ partial: function(fn) {
+ var args = AJS.forceArray(arguments);
+ return AJS.$b(fn, null, args.slice(1, args.length).reverse(), false, true);
+ },
+
+
+////
+// DOM functions
+////
+ //Shortcut: AJS.$
+ getElement: function(id) {
+ if(AJS.isString(id) || AJS.isNumber(id))
+ return document.getElementById(id);
+ else
+ return id;
+ },
+
+ //Shortcut: AJS.$$
+ getElements: function(/*id1, id2, id3*/) {
+ var args = AJS.forceArray(arguments);
+ var elements = new Array();
+ for (var i = 0; i < args.length; i++) {
+ var element = AJS.getElement(args[i]);
+ elements.push(element);
+ }
+ return elements;
+ },
+
+ //Shortcut: AJS.$bytc
+ getElementsByTagAndClassName: function(tag_name, class_name, /*optional*/ parent) {
+ var class_elements = [];
+ if(!AJS.isDefined(parent))
+ parent = document;
+ if(!AJS.isDefined(tag_name))
+ tag_name = '*';
+
+ var els = parent.getElementsByTagName(tag_name);
+ var els_len = els.length;
+ var pattern = new RegExp("(^|\\s)" + class_name + "(\\s|$)");
+
+ for (i = 0, j = 0; i < els_len; i++) {
+ if ( pattern.test(els[i].className) || class_name == null ) {
+ class_elements[j] = els[i];
+ j++;
+ }
+ }
+ return class_elements;
+ },
+
+ _nodeWalk: function(elm, tag_name, class_name, fn_next_elm) {
+ var p = fn_next_elm(elm);
+
+ var checkFn;
+ if(tag_name && class_name) {
+ checkFn = function(p) {
+ return AJS.nodeName(p) == tag_name && AJS.hasClass(p, class_name);
+ }
+ }
+ else if(tag_name) {
+ checkFn = function(p) { return AJS.nodeName(p) == tag_name; }
+ }
+ else {
+ checkFn = function(p) { return AJS.hasClass(p, class_name); }
+ }
+
+ while(p) {
+ if(checkFn(p))
+ return p;
+ p = fn_next_elm(p);
+ }
+ return null;
+ },
+
+ getParentBytc: function(elm, tag_name, class_name) {
+ return AJS._nodeWalk(elm, tag_name, class_name, function(m) { return m.parentNode; });
+ },
+
+ getPreviousSiblingBytc: function(elm, tag_name, class_name) {
+ return AJS._nodeWalk(elm, tag_name, class_name, function(m) { return m.previousSibling; });
+ },
+
+ getNextSiblingBytc: function(elm, tag_name, class_name) {
+ return AJS._nodeWalk(elm, tag_name, class_name, function(m) { return m.nextSibling; });
+ },
+
+ //Shortcut: AJS.$f
+ getFormElement: function(form, name) {
+ form = AJS.$(form);
+ var r = null;
+ AJS.map(form.elements, function(elm) {
+ if(elm.name && elm.name == name)
+ r = elm;
+ });
+ return r;
+ },
+
+ formContents: function(form) {
+ var form = AJS.$(form);
+ var r = {};
+ var fn = function(elms) {
+ AJS.map(elms, function(e) {
+ if(e.name)
+ r[e.name] = e.value || '';
+ });
+ }
+ fn(AJS.$bytc('input', null, form));
+ fn(AJS.$bytc('textarea', null, form));
+ return r;
+ },
+
+ getBody: function() {
+ return AJS.$bytc('body')[0]
+ },
+
+ nodeName: function(elm) {
+ return elm.nodeName.toLowerCase();
+ },
+
+ hasParent: function(elm, parent_to_consider, max_look_up) {
+ if(elm == parent_to_consider)
+ return true;
+ if(max_look_up == 0)
+ return false;
+ return AJS.hasParent(elm.parentNode, parent_to_consider, max_look_up-1);
+ },
+
+ isElementHidden: function(elm) {
+ return elm.style.visibility == "hidden";
+ },
+
+ //Shortcut: AJS.DI
+ documentInsert: function(elm) {
+ if(typeof(elm) == 'string')
+ elm = AJS.HTML2DOM(elm);
+ document.write('<span id="dummy_holder"></span>');
+ AJS.swapDOM(AJS.$('dummy_holder'), elm);
+ },
+
+ cloner: function(element) {
+ return function() {
+ return element.cloneNode(true);
+ }
+ },
+
+ appendToTop: function(elm/*, elms...*/) {
+ var args = AJS.forceArray(arguments).slice(1);
+ if(args.length >= 1) {
+ var first_child = elm.firstChild;
+ if(first_child) {
+ while(true) {
+ var t_elm = args.shift();
+ if(t_elm)
+ AJS.insertBefore(t_elm, first_child);
+ else
+ break;
+ }
+ }
+ else {
+ AJS.ACN.apply(null, arguments);
+ }
+ }
+ return elm;
+ },
+
+ //Shortcut: AJS.ACN
+ appendChildNodes: function(elm/*, elms...*/) {
+ if(arguments.length >= 2) {
+ AJS.map(arguments, function(n) {
+ if(AJS.isString(n))
+ n = AJS.TN(n);
+ if(AJS.isDefined(n))
+ elm.appendChild(n);
+ }, 1);
+ }
+ return elm;
+ },
+
+ //Shortcut: AJS.RCN
+ replaceChildNodes: function(elm/*, elms...*/) {
+ var child;
+ while ((child = elm.firstChild))
+ elm.removeChild(child);
+ if (arguments.length < 2)
+ return elm;
+ else
+ return AJS.appendChildNodes.apply(null, arguments);
+ return elm;
+ },
+
+ insertAfter: function(elm, reference_elm) {
+ reference_elm.parentNode.insertBefore(elm, reference_elm.nextSibling);
+ return elm;
+ },
+
+ insertBefore: function(elm, reference_elm) {
+ reference_elm.parentNode.insertBefore(elm, reference_elm);
+ return elm;
+ },
+
+ showElement: function(/*elms...*/) {
+ var args = AJS.forceArray(arguments);
+ AJS.map(args, function(elm) { elm.style.display = ''});
+ },
+
+ hideElement: function(elm) {
+ var args = AJS.forceArray(arguments);
+ AJS.map(args, function(elm) { elm.style.display = 'none'});
+ },
+
+ swapDOM: function(dest, src) {
+ dest = AJS.getElement(dest);
+ var parent = dest.parentNode;
+ if (src) {
+ src = AJS.getElement(src);
+ parent.replaceChild(src, dest);
+ } else {
+ parent.removeChild(dest);
+ }
+ return src;
+ },
+
+ removeElement: function(/*elm1, elm2...*/) {
+ var args = AJS.forceArray(arguments);
+ AJS.map(args, function(elm) { AJS.swapDOM(elm, null); });
+ },
+
+ createDOM: function(name, attrs) {
+ var i=0, attr;
+ elm = document.createElement(name);
+
+ if(AJS.isDict(attrs[i])) {
+ for(k in attrs[0]) {
+ attr = attrs[0][k];
+ if(k == "style")
+ elm.style.cssText = attr;
+ else if(k == "class" || k == 'className')
+ elm.className = attr;
+ else {
+ elm.setAttribute(k, attr);
+ }
+ }
+ i++;
+ }
+
+ if(attrs[0] == null)
+ i = 1;
+
+ AJS.map(attrs, function(n) {
+ if(n) {
+ if(AJS.isString(n) || AJS.isNumber(n))
+ n = AJS.TN(n);
+ elm.appendChild(n);
+ }
+ }, i);
+ return elm;
+ },
+
+ _createDomShortcuts: function() {
+ var elms = [
+ "ul", "li", "td", "tr", "th",
+ "tbody", "table", "input", "span", "b",
+ "a", "div", "img", "button", "h1",
+ "h2", "h3", "br", "textarea", "form",
+ "p", "select", "option", "iframe", "script",
+ "center", "dl", "dt", "dd", "small",
+ "pre"
+ ];
+ var extends_ajs = function(elm) {
+ var c_dom = "return AJS.createDOM.apply(null, ['" + elm + "', arguments]);";
+ var c_fun_dom = 'function() { ' + c_dom + ' }';
+ eval("AJS." + elm.toUpperCase() + "=" + c_fun_dom);
+ }
+ AJS.map(elms, extends_ajs);
+ AJS.TN = function(text) { return document.createTextNode(text) };
+ },
+
+ getCssDim: function(dim) {
+ if(AJS.isString(dim))
+ return dim;
+ else
+ return dim + "px";
+ },
+ getCssProperty: function(elm, prop) {
+ elm = AJS.$(elm);
+ var y;
+ if(elm.currentStyle)
+ y = elm.currentStyle[prop];
+ else if (window.getComputedStyle)
+ y = document.defaultView.getComputedStyle(elm,null).getPropertyValue(prop);
+ return y;
+ },
+
+ setStyle: function(/*elm1, elm2..., property, new_value*/) {
+ var args = AJS.forceArray(arguments);
+ var new_val = args.pop();
+ var property = args.pop();
+ AJS.map(args, function(elm) {
+ elm.style[property] = AJS.getCssDim(new_val);
+ });
+ },
+
+ setWidth: function(/*elm1, elm2..., width*/) {
+ var args = AJS.forceArray(arguments);
+ args.splice(args.length-1, 0, 'width');
+ AJS.setStyle.apply(null, args);
+ },
+ setHeight: function(/*elm1, elm2..., height*/) {
+ var args = AJS.forceArray(arguments);
+ args.splice(args.length-1, 0, 'height');
+ AJS.setStyle.apply(null, args);
+ },
+ setLeft: function(/*elm1, elm2..., left*/) {
+ var args = AJS.forceArray(arguments);
+ args.splice(args.length-1, 0, 'left');
+ AJS.setStyle.apply(null, args);
+ },
+ setTop: function(/*elm1, elm2..., top*/) {
+ var args = AJS.forceArray(arguments);
+ args.splice(args.length-1, 0, 'top');
+ AJS.setStyle.apply(null, args);
+ },
+ setClass: function(/*elm1, elm2..., className*/) {
+ var args = AJS.forceArray(arguments);
+ var c = args.pop();
+ AJS.map(args, function(elm) { elm.className = c});
+ },
+ addClass: function(/*elm1, elm2..., className*/) {
+ var args = AJS.forceArray(arguments);
+ var cls = args.pop();
+ var add_class = function(o) {
+ if(!new RegExp("(^|\\s)" + cls + "(\\s|$)").test(o.className))
+ o.className += (o.className ? " " : "") + cls;
+ };
+ AJS.map(args, function(elm) { add_class(elm); });
+ },
+ hasClass: function(elm, cls) {
+ if(!elm.className)
+ return false;
+ return elm.className == cls ||
+ elm.className.search(new RegExp(" " + cls)) != -1
+ },
+ removeClass: function(/*elm1, elm2..., className*/) {
+ var args = AJS.forceArray(arguments);
+ var cls = args.pop();
+ var rm_class = function(o) {
+ o.className = o.className.replace(new RegExp("\\s?" + cls, 'g'), "");
+ };
+ AJS.map(args, function(elm) { rm_class(elm); });
+ },
+
+ setHTML: function(elm, html) {
+ elm.innerHTML = html;
+ return elm;
+ },
+
+ RND: function(tmpl, ns, scope) {
+ scope = scope || window;
+ var fn = function(w, g) {
+ g = g.split("|");
+ var cnt = ns[g[0]];
+ for(var i=1; i < g.length; i++)
+ cnt = scope[g[i]](cnt);
+ if(cnt == '')
+ return '';
+ if(cnt == 0 || cnt == -1)
+ cnt += '';
+ return cnt || w;
+ };
+ return tmpl.replace(/%\(([A-Za-z0-9_|.]*)\)/g, fn);
+ },
+
+ HTML2DOM: function(html,/*optional*/ first_child) {
+ var d = AJS.DIV();
+ d.innerHTML = html;
+ if(first_child)
+ return d.childNodes[0];
+ else
+ return d;
+ },
+
+ preloadImages: function(/*img_src1, ..., img_srcN*/) {
+ AJS.AEV(window, 'load', AJS.$p(function(args) {
+ AJS.map(args, function(src) {
+ var pic = new Image();
+ pic.src = src;
+ });
+ }, arguments));
+ },
+
+
+////
+// Effects
+////
+ setOpacity: function(elm, p) {
+ elm.style.opacity = p;
+ elm.style.filter = "alpha(opacity="+ p*100 +")";
+ },
+
+
+////
+// Ajax functions
+////
+ getXMLHttpRequest: function() {
+ var try_these = [
+ function () { return new XMLHttpRequest(); },
+ function () { return new ActiveXObject('Msxml2.XMLHTTP'); },
+ function () { return new ActiveXObject('Microsoft.XMLHTTP'); },
+ function () { return new ActiveXObject('Msxml2.XMLHTTP.4.0'); },
+ function () { throw "Browser does not support XMLHttpRequest"; }
+ ];
+ for (var i = 0; i < try_these.length; i++) {
+ var func = try_these[i];
+ try {
+ return func();
+ } catch (e) {
+ }
+ }
+ },
+
+ getRequest: function(url, data, type) {
+ if(!type)
+ type = "POST";
+ var req = AJS.getXMLHttpRequest();
+
+ if(url.indexOf("http://") == -1) {
+ if(AJS.BASE_URL != '') {
+ if(AJS.BASE_URL.lastIndexOf('/') != AJS.BASE_URL.length-1)
+ AJS.BASE_URL += '/';
+ url = AJS.BASE_URL + url;
+ }
+ else
+ url = window.location + url;
+ }
+
+ req.open(type, url, true);
+ if(type == "POST")
+ req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+ return AJS._sendXMLHttpRequest(req);
+ },
+
+ _sendXMLHttpRequest: function(req, data) {
+ var d = new AJSDeferred(req);
+
+ var onreadystatechange = function () {
+ if (req.readyState == 4) {
+ var status = '';
+ try {
+ status = req.status;
+ }
+ catch(e) {};
+ if(status == 200 || status == 304 || req.responseText == null) {
+ d.callback();
+ }
+ else {
+ if(AJS.ajaxErrorHandler)
+ AJS.ajaxErrorHandler(req.responseText, req);
+ else
+ d.errback();
+ }
+ }
+ }
+ req.onreadystatechange = onreadystatechange;
+ return d;
+ },
+
+ _reprString: function(o) {
+ return ('"' + o.replace(/(["\\])/g, '\\$1') + '"'
+ ).replace(/[\f]/g, "\\f"
+ ).replace(/[\b]/g, "\\b"
+ ).replace(/[\n]/g, "\\n"
+ ).replace(/[\t]/g, "\\t"
+ ).replace(/[\r]/g, "\\r");
+ },
+
+ serializeJSON: function(o) {
+ var objtype = typeof(o);
+ if (objtype == "undefined") {
+ return "undefined";
+ } else if (objtype == "number" || objtype == "boolean") {
+ return o + "";
+ } else if (o === null) {
+ return "null";
+ }
+ if (objtype == "string") {
+ return AJS._reprString(o);
+ }
+ var me = arguments.callee;
+ if (objtype != "function" && typeof(o.length) == "number") {
+ var res = [];
+ for (var i = 0; i < o.length; i++) {
+ var val = me(o[i]);
+ if (typeof(val) != "string") {
+ val = "undefined";
+ }
+ res.push(val);
+ }
+ return "[" + res.join(",") + "]";
+ }
+ // it's a function with no adapter, bad
+ if (objtype == "function")
+ return null;
+ res = [];
+ for (var k in o) {
+ var useKey;
+ if (typeof(k) == "number") {
+ useKey = '"' + k + '"';
+ } else if (typeof(k) == "string") {
+ useKey = AJS._reprString(k);
+ } else {
+ // skip non-string or number keys
+ continue;
+ }
+ val = me(o[k]);
+ if (typeof(val) != "string") {
+ // skip non-serializable values
+ continue;
+ }
+ res.push(useKey + ":" + val);
+ }
+ return "{" + res.join(",") + "}";
+ },
+
+ loadJSONDoc: function(url) {
+ var d = AJS.getRequest(url);
+ var eval_req = function(data, req) {
+ var text = req.responseText;
+ if(text == "Error")
+ d.errback(req);
+ else
+ return AJS.evalTxt(text);
+ };
+ d.addCallback(eval_req);
+ return d;
+ },
+
+ evalTxt: function(txt) {
+ try {
+ return eval('('+ txt + ')');
+ }
+ catch(e) {
+ return eval(txt);
+ }
+ },
+
+ evalScriptTags: function(html) {
+ var script_data = html.match(/<script.*?>((\n|\r|.)*?)<\/script>/g);
+ if(script_data != null) {
+ for(var i=0; i < script_data.length; i++) {
+ var script_only = script_data[i].replace(/<script.*?>/g, "");
+ script_only = script_only.replace(/<\/script>/g, "");
+ eval(script_only);
+ }
+ }
+ },
+
+ queryArguments: function(data) {
+ var post_data = [];
+ for(k in data)
+ post_data.push(k + "=" + AJS.urlencode(data[k]));
+ return post_data.join("&");
+ },
+
+
+////
+// Position and size
+////
+ getMousePos: function(e) {
+ var posx = 0;
+ var posy = 0;
+ if (!e) var e = window.event;
+ if (e.pageX || e.pageY)
+ {
+ posx = e.pageX;
+ posy = e.pageY;
+ }
+ else if (e.clientX || e.clientY)
+ {
+ posx = e.clientX + document.body.scrollLeft;
+ posy = e.clientY + document.body.scrollTop;
+ }
+ return {x: posx, y: posy};
+ },
+
+ getScrollTop: function() {
+ //From: http://www.quirksmode.org/js/doctypes.html
+ var t;
+ if (document.documentElement && document.documentElement.scrollTop)
+ t = document.documentElement.scrollTop;
+ else if (document.body)
+ t = document.body.scrollTop;
+ return t;
+ },
+
+ absolutePosition: function(elm) {
+ var posObj = {'x': elm.offsetLeft, 'y': elm.offsetTop};
+ if(elm.offsetParent) {
+ var temp_pos = AJS.absolutePosition(elm.offsetParent);
+ posObj.x += temp_pos.x;
+ posObj.y += temp_pos.y;
+ }
+ // safari bug
+ if (AJS.isSafari() && elm.style.position == 'absolute' ) {
+ posObj.x -= document.body.offsetLeft;
+ posObj.y -= document.body.offsetTop;
+ }
+ return posObj;
+ },
+
+ getWindowSize: function(doc) {
+ doc = doc || document;
+ var win_w, win_h;
+ if (self.innerHeight) {
+ win_w = self.innerWidth;
+ win_h = self.innerHeight;
+ } else if (doc.documentElement && doc.documentElement.clientHeight) {
+ win_w = doc.documentElement.clientWidth;
+ win_h = doc.documentElement.clientHeight;
+ } else if (doc.body) {
+ win_w = doc.body.clientWidth;
+ win_h = doc.body.clientHeight;
+ }
+ return {'w': win_w, 'h': win_h};
+ },
+
+ isOverlapping: function(elm1, elm2) {
+ var pos_elm1 = AJS.absolutePosition(elm1);
+ var pos_elm2 = AJS.absolutePosition(elm2);
+
+ var top1 = pos_elm1.y;
+ var left1 = pos_elm1.x;
+ var right1 = left1 + elm1.offsetWidth;
+ var bottom1 = top1 + elm1.offsetHeight;
+ var top2 = pos_elm2.y;
+ var left2 = pos_elm2.x;
+ var right2 = left2 + elm2.offsetWidth;
+ var bottom2 = top2 + elm2.offsetHeight;
+ var getSign = function(v) {
+ if(v > 0) return "+";
+ else if(v < 0) return "-";
+ else return 0;
+ }
+
+ if ((getSign(top1 - bottom2) != getSign(bottom1 - top2)) &&
+ (getSign(left1 - right2) != getSign(right1 - left2)))
+ return true;
+ return false;
+ },
+
+
+////
+// Events
+////
+ getEventElm: function(e) {
+ if(e && !e.type && !e.keyCode)
+ return e
+ var targ;
+ if (!e) var e = window.event;
+ if (e.target) targ = e.target;
+ else if (e.srcElement) targ = e.srcElement;
+ if (targ.nodeType == 3) // defeat Safari bug
+ targ = targ.parentNode;
+ return targ;
+ },
+
+ _getRealScope: function(fn, /*optional*/ extra_args, dont_send_event, rev_extra_args) {
+ var scope = window;
+ extra_args = AJS.$A(extra_args);
+ if(fn._cscope)
+ scope = fn._cscope;
+
+ return function() {
+ //Append all the orginal arguments + extra_args
+ var args = [];
+ var i = 0;
+ if(dont_send_event)
+ i = 1;
+
+ AJS.map(arguments, function(arg) { args.push(arg) }, i);
+ args = args.concat(extra_args);
+ if(rev_extra_args)
+ args = args.reverse();
+ return fn.apply(scope, args);
+ };
+ },
+
+ _unloadListeners: function() {
+ if(AJS.listeners)
+ AJS.map(AJS.listeners, function(elm, type, fn) { AJS.REV(elm, type, fn) });
+ AJS.listeners = [];
+ },
+
+ setEventKey: function(e) {
+ e.key = e.keyCode ? e.keyCode : e.charCode;
+
+ if(window.event) {
+ e.ctrl = window.event.ctrlKey;
+ e.shift = window.event.shiftKey;
+ }
+ else {
+ e.ctrl = e.ctrlKey;
+ e.shift = e.shiftKey;
+ }
+ switch(e.key) {
+ case 63232:
+ e.key = 38;
+ break;
+ case 63233:
+ e.key = 40;
+ break;
+ case 63235:
+ e.key = 39;
+ break;
+ case 63234:
+ e.key = 37;
+ break;
+ }
+ },
+
+ //Shortcut: AJS.AEV
+ addEventListener: function(elm, type, fn, /*optional*/listen_once, cancle_bubble) {
+ if(!cancle_bubble)
+ cancle_bubble = false;
+
+ var elms = AJS.$A(elm);
+ AJS.map(elms, function(elmz) {
+ if(listen_once)
+ fn = AJS._listenOnce(elmz, type, fn);
+
+ //Hack since it does not work in all browsers
+ if(AJS.isIn(type, ['submit', 'load', 'scroll', 'resize'])) {
+ var old = elm['on' + type];
+ elm['on' + type] = function() {
+ if(old) {
+ fn(arguments);
+ return old(arguments);
+ }
+ else
+ return fn(arguments);
+ };
+ return;
+ }
+
+ //Fix keyCode
+ if(AJS.isIn(type, ['keypress', 'keydown', 'keyup', 'click'])) {
+ var old_fn = fn;
+ fn = function(e) {
+ AJS.setEventKey(e);
+ return old_fn.apply(null, arguments);
+ }
+ }
+
+ if (elmz.attachEvent) {
+ //FIXME: We ignore cancle_bubble for IE... could be a problem?
+ elmz.attachEvent("on" + type, fn);
+ }
+ else if(elmz.addEventListener)
+ elmz.addEventListener(type, fn, cancle_bubble);
+
+ AJS.listeners = AJS.$A(AJS.listeners);
+ AJS.listeners.push([elmz, type, fn]);
+ });
+ },
+
+ //Shortcut: AJS.REV
+ removeEventListener: function(elm, type, fn, /*optional*/cancle_bubble) {
+ if(!cancle_bubble)
+ cancle_bubble = false;
+ if(elm.removeEventListener) {
+ elm.removeEventListener(type, fn, cancle_bubble);
+ if(AJS.isOpera())
+ elm.removeEventListener(type, fn, !cancle_bubble);
+ }
+ else if(elm.detachEvent)
+ elm.detachEvent("on" + type, fn);
+ },
+
+ //Shortcut: AJS.$b
+ bind: function(fn, scope, /*optional*/ extra_args, dont_send_event, rev_extra_args) {
+ fn._cscope = scope;
+ return AJS._getRealScope(fn, extra_args, dont_send_event, rev_extra_args);
+ },
+
+ bindMethods: function(self) {
+ for (var k in self) {
+ var func = self[k];
+ if (typeof(func) == 'function') {
+ self[k] = AJS.$b(func, self);
+ }
+ }
+ },
+
+ _listenOnce: function(elm, type, fn) {
+ var r_fn = function() {
+ AJS.removeEventListener(elm, type, r_fn);
+ fn(arguments);
+ }
+ return r_fn;
+ },
+
+ callLater: function(fn, interval) {
+ var fn_no_send = function() {
+ fn();
+ };
+ window.setTimeout(fn_no_send, interval);
+ },
+
+ preventDefault: function(e) {
+ if(AJS.isIe())
+ window.event.returnValue = false;
+ else
+ e.preventDefault();
+ },
+
+
+////
+// Drag and drop
+////
+ dragAble: function(elm, /*optional*/ handler, args) {
+ if(!args)
+ args = {};
+ if(!AJS.isDefined(args['move_x']))
+ args['move_x'] = true;
+ if(!AJS.isDefined(args['move_y']))
+ args['move_y'] = true;
+ if(!AJS.isDefined(args['moveable']))
+ args['moveable'] = false;
+ if(!AJS.isDefined(args['hide_on_move']))
+ args['hide_on_move'] = true;
+ if(!AJS.isDefined(args['on_mouse_up']))
+ args['on_mouse_up'] = null;
+ if(!AJS.isDefined(args['cursor']))
+ args['cursor'] = 'move';
+ if(!AJS.isDefined(args['max_move']))
+ args['max_move'] = {'top': null, 'left': null};
+
+ elm = AJS.$(elm);
+
+ if(!handler)
+ handler = elm;
+
+ handler = AJS.$(handler);
+ var old_cursor = handler.style.cursor;
+ handler.style.cursor = args['cursor'];
+ elm.style.position = 'relative';
+
+ AJS.addClass(handler, '_ajs_handler');
+ handler._args = args;
+ handler._elm = elm;
+ AJS.AEV(handler, 'mousedown', AJS._dragStart);
+ },
+
+ _dragStart: function(e) {
+ var handler = AJS.getEventElm(e);
+ if(!AJS.hasClass(handler, '_ajs_handler')) {
+ handler = AJS.getParentBytc(handler, null, '_ajs_handler');
+ }
+ if(handler)
+ AJS._dragInit(e, handler._elm, handler._args);
+ },
+
+ dropZone: function(elm, args) {
+ elm = AJS.$(elm);
+ var item = {elm: elm};
+ AJS.update(item, args);
+ AJS._drop_zones.push(item);
+ },
+
+ removeDragAble: function(elm) {
+ AJS.REV(elm, 'mousedown', AJS._dragStart);
+ elm.style.cursor = '';
+ },
+
+ removeDropZone: function(elm) {
+ var i = AJS.getIndex(elm, AJS._drop_zones, function(item) {
+ if(item.elm == elm) return true;
+ });
+ if(i != -1) {
+ AJS._drop_zones.splice(i, 1);
+ }
+ },
+
+ _dragInit: function(e, click_elm, args) {
+ AJS.drag_obj = new Object();
+ AJS.drag_obj.args = args;
+
+ AJS.drag_obj.click_elm = click_elm;
+ AJS.drag_obj.mouse_pos = AJS.getMousePos(e);
+ AJS.drag_obj.click_elm_pos = AJS.absolutePosition(click_elm);
+
+ AJS.AEV(document, 'mousemove', AJS._dragMove, false, true);
+ AJS.AEV(document, 'mouseup', AJS._dragStop, false, true);
+
+ if (AJS.isIe())
+ window.event.cancelBubble = true;
+ AJS.preventDefault(e);
+ },
+
+ _initDragElm: function(elm) {
+ if(AJS.drag_elm && AJS.drag_elm.style.display == 'none')
+ AJS.removeElement(AJS.drag_elm);
+
+ if(!AJS.drag_elm) {
+ AJS.drag_elm = AJS.DIV();
+ var d = AJS.drag_elm;
+ AJS.insertBefore(d, AJS.getBody().firstChild);
+ AJS.setHTML(d, elm.innerHTML);
+
+ d.className = elm.className;
+ d.style.cssText = elm.style.cssText;
+
+ d.style.position = 'absolute';
+ d.style.zIndex = 10000;
+
+ var t = AJS.absolutePosition(elm);
+ AJS.setTop(d, t.y);
+ AJS.setLeft(d, t.x);
+
+ if(AJS.drag_obj.args.on_init) {
+ AJS.drag_obj.args.on_init(elm);
+ }
+ }
+ },
+
+ _dragMove: function(e) {
+ var drag_obj = AJS.drag_obj;
+ var click_elm = drag_obj.click_elm;
+
+ AJS._initDragElm(click_elm);
+ var drag_elm = AJS.drag_elm;
+
+ if(drag_obj.args['hide_on_move'])
+ click_elm.style.visibility = 'hidden';
+
+ var cur_pos = AJS.getMousePos(e);
+
+ var mouse_pos = drag_obj.mouse_pos;
+
+ var click_elm_pos = drag_obj.click_elm_pos;
+
+ AJS.map(AJS._drop_zones, function(d_z) {
+ if(AJS.isOverlapping(d_z['elm'], drag_elm)) {
+ if(d_z['elm'] != drag_elm) {
+ var on_hover = d_z['on_hover'];
+ if(on_hover)
+ on_hover(d_z['elm'], click_elm, drag_elm);
+ }
+ }
+ });
+
+ if(drag_obj.args['on_drag'])
+ drag_obj.args['on_drag'](click_elm, e);
+
+ var max_move_top = drag_obj.args['max_move']['top'];
+ var max_move_left = drag_obj.args['max_move']['left'];
+ var p;
+ if(drag_obj.args['move_x']) {
+ p = cur_pos.x - (mouse_pos.x - click_elm_pos.x);
+ if(max_move_left == null || max_move_left <= p)
+ AJS.setLeft(elm, p);
+ }
+
+ if(drag_obj.args['move_y']) {
+ p = cur_pos.y - (mouse_pos.y - click_elm_pos.y);
+ if(max_move_top == null || max_move_top <= p)
+ AJS.setTop(elm, p);
+ }
+ if(AJS.isIe()) {
+ window.event.cancelBubble = true;
+ window.event.returnValue = false;
+ }
+ else
+ e.preventDefault();
+ },
+
+ _dragStop: function(e) {
+ var drag_obj = AJS.drag_obj;
+ var drag_elm = AJS.drag_elm;
+ var click_elm = drag_obj.click_elm;
+
+ AJS.REV(document, "mousemove", AJS._dragMove, true);
+ AJS.REV(document, "mouseup", AJS._dragStop, true);
+
+ var dropped = false;
+ AJS.map(AJS._drop_zones, function(d_z) {
+ if(AJS.isOverlapping(d_z['elm'], click_elm)) {
+ if(d_z['elm'] != click_elm) {
+ var on_drop = d_z['on_drop'];
+ if(on_drop) {
+ dropped = true;
+ on_drop(d_z['elm'], click_elm);
+ }
+ }
+ }
+ });
+
+ if(drag_obj.args['moveable']) {
+ var t = parseInt(click_elm.style.top) || 0;
+ var l = parseInt(click_elm.style.left) || 0;
+ var drag_elm_xy = AJS.absolutePosition(drag_elm);
+ var click_elm_xy = AJS.absolutePosition(click_elm);
+ AJS.setTop(click_elm, t + drag_elm_xy.y - click_elm_xy.y);
+ AJS.setLeft(click_elm, l + drag_elm_xy.x - click_elm_xy.x);
+ }
+
+ if(!dropped && drag_obj.args['on_mouse_up'])
+ drag_obj.args['on_mouse_up'](click_elm, e);
+
+ if(drag_obj.args['hide_on_move'])
+ drag_obj.click_elm.style.visibility = 'visible';
+
+ if(drag_obj.args.on_end) {
+ drag_obj.args.on_end(click_elm);
+ }
+
+ AJS._dragObj = null;
+ if(drag_elm)
+ AJS.hideElement(drag_elm);
+ AJS.drag_elm = null;
+ },
+
+
+////
+// Misc.
+////
+ keys: function(obj) {
+ var rval = [];
+ for (var prop in obj) {
+ rval.push(prop);
+ }
+ return rval;
+ },
+
+ values: function(obj) {
+ var rval = [];
+ for (var prop in obj) {
+ rval.push(obj[prop]);
+ }
+ return rval;
+ },
+
+ urlencode: function(str) {
+ return encodeURIComponent(str.toString());
+ },
+
+ isDefined: function(o) {
+ return (o != "undefined" && o != null)
+ },
+
+ isArray: function(obj) {
+ return obj instanceof Array;
+ },
+
+ isString: function(obj) {
+ return (typeof obj == 'string');
+ },
+
+ isNumber: function(obj) {
+ return (typeof obj == 'number');
+ },
+
+ isObject: function(obj) {
+ return (typeof obj == 'object');
+ },
+
+ isFunction: function(obj) {
+ return (typeof obj == 'function');
+ },
+
+ isDict: function(o) {
+ var str_repr = String(o);
+ return str_repr.indexOf(" Object") != -1;
+ },
+
+ exportToGlobalScope: function() {
+ for(e in AJS)
+ eval(e + " = AJS." + e);
+ },
+
+ log: function(o) {
+ if(AJS.isMozilla())
+ console.log(o);
+ else {
+ var div = AJS.DIV({'style': 'color: green'});
+ AJS.ACN(AJS.getBody(), AJS.setHTML(div, ''+o));
+ }
+ }
+
+}
+
+AJS.Class = function(members) {
+ var fn = function() {
+ if(arguments[0] != 'no_init') {
+ return this.init.apply(this, arguments);
+ }
+ }
+ fn.prototype = members;
+ AJS.update(fn, AJS.Class.prototype);
+ return fn;
+}
+AJS.Class.prototype = {
+ extend: function(members) {
+ var parent = new this('no_init');
+ for(k in members) {
+ var prev = parent[k];
+ var cur = members[k];
+ if (prev && prev != cur && typeof cur == 'function') {
+ cur = this._parentize(cur, prev);
+ }
+ parent[k] = cur;
+ }
+ return new AJS.Class(parent);
+ },
+
+ implement: function(members) {
+ AJS.update(this.prototype, members);
+ },
+
+ _parentize: function(cur, prev) {
+ return function(){
+ this.parent = prev;
+ return cur.apply(this, arguments);
+ }
+ }
+};
+
+//Shortcuts
+AJS.$ = AJS.getElement;
+AJS.$$ = AJS.getElements;
+AJS.$f = AJS.getFormElement;
+AJS.$b = AJS.bind;
+AJS.$p = AJS.partial;
+AJS.$FA = AJS.forceArray;
+AJS.$A = AJS.createArray;
+AJS.DI = AJS.documentInsert;
+AJS.ACN = AJS.appendChildNodes;
+AJS.RCN = AJS.replaceChildNodes;
+AJS.AEV = AJS.addEventListener;
+AJS.REV = AJS.removeEventListener;
+AJS.$bytc = AJS.getElementsByTagAndClassName;
+
+AJSDeferred = function(req) {
+ this.callbacks = [];
+ this.errbacks = [];
+ this.req = req;
+}
+AJSDeferred.prototype = {
+ excCallbackSeq: function(req, list) {
+ var data = req.responseText;
+ while (list.length > 0) {
+ var fn = list.pop();
+ var new_data = fn(data, req);
+ if(new_data)
+ data = new_data;
+ }
+ },
+
+ callback: function () {
+ this.excCallbackSeq(this.req, this.callbacks);
+ },
+
+ errback: function() {
+ if(this.errbacks.length == 0)
+ alert("Error encountered:\n" + this.req.responseText);
+
+ this.excCallbackSeq(this.req, this.errbacks);
+ },
+
+ addErrback: function(fn) {
+ this.errbacks.unshift(fn);
+ },
+
+ addCallback: function(fn) {
+ this.callbacks.unshift(fn);
+ },
+
+ addCallbacks: function(fn1, fn2) {
+ this.addCallback(fn1);
+ this.addErrback(fn2);
+ },
+
+ sendReq: function(data) {
+ if(AJS.isObject(data)) {
+ this.req.send(AJS.queryArguments(data));
+ }
+ else if(AJS.isDefined(data))
+ this.req.send(data);
+ else {
+ this.req.send("");
+ }
+ }
+};
+
+//Prevent memory-leaks
+AJS.addEventListener(window, 'unload', AJS._unloadListeners);
+AJS._createDomShortcuts()
+}
+
+script_loaded = true;