1 files changed, 30 insertions, 17 deletions

diff --git a/frontend/gamma/js/MochiKit/Signal.js b/frontend/gamma/js/MochiKit/Signal.js
index 7df5619..11590c1 100644
--- a/frontend/gamma/js/MochiKit/Signal.js
+++ b/frontend/gamma/js/MochiKit/Signal.js
@@ -1,59 +1,59 @@
 /***
 
 MochiKit.Signal 1.5
 
 See <http://mochikit.com/> for documentation, downloads, license, etc.
 
 (c) 2006 Jonathan Gardner, Beau Hartshorne, Bob Ippolito.  All rights Reserved.
 
 ***/
 
-MochiKit.Base._module('Signal', '1.5', ['Base', 'DOM', 'Style']);
+MochiKit.Base.module(MochiKit, 'Signal', '1.5', ['Base', 'DOM']);
 
 MochiKit.Signal._observers = [];
 
 /** @id MochiKit.Signal.Event */
 MochiKit.Signal.Event = function (src, e) {
     this._event = e || window.event;
     this._src = src;
 };
 MochiKit.Signal.Event.__export__ = false;
 
 MochiKit.Base.update(MochiKit.Signal.Event.prototype, {
 
     __repr__: function () {
         var repr = MochiKit.Base.repr;
         var str = '{event(): ' + repr(this.event()) +
             ', src(): ' + repr(this.src()) +
             ', type(): ' + repr(this.type()) +
             ', target(): ' + repr(this.target());
 
         if (this.type() &&
             this.type().indexOf('key') === 0 ||
             this.type().indexOf('mouse') === 0 ||
             this.type().indexOf('click') != -1 ||
             this.type() == 'contextmenu') {
             str += ', modifier(): ' + '{alt: ' + repr(this.modifier().alt) +
             ', ctrl: ' + repr(this.modifier().ctrl) +
             ', meta: ' + repr(this.modifier().meta) +
             ', shift: ' + repr(this.modifier().shift) +
             ', any: ' + repr(this.modifier().any) + '}';
         }
 
         if (this.type() && this.type().indexOf('key') === 0) {
             str += ', key(): {code: ' + repr(this.key().code) +
                 ', string: ' + repr(this.key().string) + '}';
         }
 
         if (this.type() && (
             this.type().indexOf('mouse') === 0 ||
             this.type().indexOf('click') != -1 ||
             this.type() == 'contextmenu')) {
 
             str += ', mouse(): {page: ' + repr(this.mouse().page) +
                 ', client: ' + repr(this.mouse().client);
 
             if (this.type() != 'mousemove' && this.type() != 'mousewheel') {
                 str += ', button: {left: ' + repr(this.mouse().button.left) +
                     ', middle: ' + repr(this.mouse().button.middle) +
                     ', right: ' + repr(this.mouse().button.right) + '}';
@@ -221,168 +221,169 @@ MochiKit.Base.update(MochiKit.Signal.Event.prototype, {
                 return k;
 
             /* look for characters here */
             } else if (this.type() == 'keypress') {
 
                 /*
 
                     Special key behavior:
 
                     IE: does not fire keypress events for special keys
                     FF: sets charCode to 0, and sets the correct keyCode
                     Safari: sets keyCode and charCode to something stupid
 
                 */
 
                 k.code = 0;
                 k.string = '';
 
                 if (typeof(this._event.charCode) != 'undefined' &&
                     this._event.charCode !== 0 &&
                     !MochiKit.Signal._specialMacKeys[this._event.charCode]) {
                     k.code = this._event.charCode;
                     k.string = String.fromCharCode(k.code);
                 } else if (this._event.keyCode &&
                     typeof(this._event.charCode) == 'undefined') { // IE
                     k.code = this._event.keyCode;
                     k.string = String.fromCharCode(k.code);
                 }
 
                 this._key = k;
                 return k;
             }
         }
         return undefined;
     },
 
     _mouse: null,
     /** @id MochiKit.Signal.Event.prototype.mouse */
     mouse: function () {
         if (this._mouse !== null) {
             return this._mouse;
         }
 
         var m = {};
         var e = this._event;
 
         if (this.type() && (
             this.type().indexOf('mouse') === 0 ||
+            this.type().indexOf('drag') === 0 ||
             this.type().indexOf('click') != -1 ||
             this.type() == 'contextmenu')) {
 
-            m.client = new MochiKit.Style.Coordinates(0, 0);
+            m.client = { x: 0, y: 0 };
             if (e.clientX || e.clientY) {
                 m.client.x = (!e.clientX || e.clientX < 0) ? 0 : e.clientX;
                 m.client.y = (!e.clientY || e.clientY < 0) ? 0 : e.clientY;
             }
 
-            m.page = new MochiKit.Style.Coordinates(0, 0);
+            m.page = { x: 0, y: 0 };
             if (e.pageX || e.pageY) {
                 m.page.x = (!e.pageX || e.pageX < 0) ? 0 : e.pageX;
                 m.page.y = (!e.pageY || e.pageY < 0) ? 0 : e.pageY;
             } else {
                 /*
 
                     The IE shortcut can be off by two. We fix it. See:
                     http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/getboundingclientrect.asp
 
                     This is similar to the method used in
                     MochiKit.Style.getElementPosition().
 
                 */
                 var de = MochiKit.DOM._document.documentElement;
                 var b = MochiKit.DOM._document.body;
 
                 m.page.x = e.clientX +
                     (de.scrollLeft || b.scrollLeft) -
                     (de.clientLeft || 0);
 
                 m.page.y = e.clientY +
                     (de.scrollTop || b.scrollTop) -
                     (de.clientTop || 0);
 
             }
             if (this.type() != 'mousemove' && this.type() != 'mousewheel') {
                 m.button = {};
                 m.button.left = false;
                 m.button.right = false;
                 m.button.middle = false;
 
                 /* we could check e.button, but which is more consistent */
                 if (e.which) {
                     m.button.left = (e.which == 1);
                     m.button.middle = (e.which == 2);
                     m.button.right = (e.which == 3);
 
                     /*
 
                         Mac browsers and right click:
 
                             - Safari doesn't fire any click events on a right
                               click:
                               http://bugs.webkit.org/show_bug.cgi?id=6595
 
                             - Firefox fires the event, and sets ctrlKey = true
 
                             - Opera fires the event, and sets metaKey = true
 
                         oncontextmenu is fired on right clicks between
                         browsers and across platforms.
 
                     */
 
                 } else {
                     m.button.left = !!(e.button & 1);
                     m.button.right = !!(e.button & 2);
                     m.button.middle = !!(e.button & 4);
                 }
             }
             if (this.type() == 'mousewheel') {
-                m.wheel = new MochiKit.Style.Coordinates(0, 0);
+                m.wheel = { x: 0, y: 0 };
                 if (e.wheelDeltaX || e.wheelDeltaY) {
                     m.wheel.x = e.wheelDeltaX / -40 || 0;
                     m.wheel.y = e.wheelDeltaY / -40 || 0;
                 } else if (e.wheelDelta) {
                     m.wheel.y = e.wheelDelta / -40;
                 } else {
                     m.wheel.y = e.detail || 0;
                 }
             }
             this._mouse = m;
             return m;
         }
         return undefined;
     },
 
     /** @id MochiKit.Signal.Event.prototype.stop */
     stop: function () {
         this.stopPropagation();
         this.preventDefault();
     },
 
     /** @id MochiKit.Signal.Event.prototype.stopPropagation */
     stopPropagation: function () {
         if (this._event.stopPropagation) {
             this._event.stopPropagation();
         } else {
             this._event.cancelBubble = true;
         }
     },
 
     /** @id MochiKit.Signal.Event.prototype.preventDefault */
     preventDefault: function () {
         if (this._event.preventDefault) {
             this._event.preventDefault();
         } else if (this._confirmUnload === null) {
             this._event.returnValue = false;
         }
     },
 
     _confirmUnload: null,
 
     /** @id MochiKit.Signal.Event.prototype.confirmUnload */
     confirmUnload: function (msg) {
         if (this.type() == 'beforeunload') {
             this._confirmUnload = msg;
             this._event.returnValue = msg;
         }
     }
@@ -627,262 +628,274 @@ MochiKit.Base.update(MochiKit.Signal, {
         var destPair = self._getDestPair(objOrFunc, funcOrStr);
         var obj = destPair[0];
         var func = destPair[1];
         if (typeof(obj) == 'undefined' || obj === null) {
             obj = src;
         }
 
         var isDOM = !!(src.addEventListener || src.attachEvent);
         if (isDOM && (sig === "onmouseenter" || sig === "onmouseleave")
                   && !self._browserAlreadyHasMouseEnterAndLeave()) {
             var listener = self._mouseEnterListener(src, sig.substr(2), func, obj);
             if (sig === "onmouseenter") {
                 sig = "onmouseover";
             } else {
                 sig = "onmouseout";
             }
         } else if (isDOM && sig == "onmousewheel" && self._browserLacksMouseWheelEvent()) {
             var listener = self._listener(src, sig, func, obj, isDOM);
             sig = "onDOMMouseScroll";
         } else {
             var listener = self._listener(src, sig, func, obj, isDOM);
         }
 
         if (src.addEventListener) {
             src.addEventListener(sig.substr(2), listener, false);
         } else if (src.attachEvent) {
             src.attachEvent(sig, listener); // useCapture unsupported
         }
 
         var ident = new MochiKit.Signal.Ident({
             source: src, 
             signal: sig, 
             listener: listener, 
             isDOM: isDOM, 
             objOrFunc: objOrFunc, 
             funcOrStr: funcOrStr, 
             connected: true
         });
         self._observers.push(ident);
 
         if (!isDOM && typeof(src.__connect__) == 'function') {
             var args = MochiKit.Base.extend([ident], arguments, 1);
             src.__connect__.apply(src, args);
         }
 
         return ident;
     },
 
+    /** @id MochiKit.Signal.connectOnce */
+    connectOnce: function (src, sig, objOrFunc/* optional */, funcOrStr) {
+        var self = MochiKit.Signal;
+        var ident1 = self.connect(src, sig, objOrFunc, funcOrStr);
+        var ident2;
+        ident2 = self.connect(src, sig, function() {
+            self.disconnect(ident1);
+            self.disconnect(ident2);
+        });
+        return ident1;
+    },
+
     _disconnect: function (ident) {
         // already disconnected
         if (!ident.connected) {
             return;
         }
         ident.connected = false;
         var src = ident.source;
         var sig = ident.signal;
         var listener = ident.listener;
         // check isDOM
         if (!ident.isDOM) {
             if (typeof(src.__disconnect__) == 'function') {
                 src.__disconnect__(ident, sig, ident.objOrFunc, ident.funcOrStr);
             }
             return;
         }
         if (src.removeEventListener) {
             src.removeEventListener(sig.substr(2), listener, false);
         } else if (src.detachEvent) {
             src.detachEvent(sig, listener); // useCapture unsupported
         } else {
             throw new Error("'src' must be a DOM element");
         }
     },
 
      /** @id MochiKit.Signal.disconnect */
     disconnect: function (ident) {
         var self = MochiKit.Signal;
         var observers = self._observers;
         var m = MochiKit.Base;
         if (arguments.length > 1) {
             // compatibility API
             var src = arguments[0];
             if (typeof(src) == "string") {
                 src = MochiKit.DOM.getElement(src);
             }
             var sig = arguments[1];
             var obj = arguments[2];
             var func = arguments[3];
             for (var i = observers.length - 1; i >= 0; i--) {
                 var o = observers[i];
                 if (o.source === src && o.signal === sig && o.objOrFunc === obj && o.funcOrStr === func) {
                     self._disconnect(o);
-                    if (!self._lock) {
+                    if (self._lock === 0) {
                         observers.splice(i, 1);
                     } else {
                         self._dirty = true;
                     }
                     return true;
                 }
             }
         } else {
             var idx = m.findIdentical(observers, ident);
             if (idx >= 0) {
                 self._disconnect(ident);
-                if (!self._lock) {
+                if (self._lock === 0) {
                     observers.splice(idx, 1);
                 } else {
                     self._dirty = true;
                 }
                 return true;
             }
         }
         return false;
     },
 
     /** @id MochiKit.Signal.disconnectAllTo */
     disconnectAllTo: function (objOrFunc, /* optional */funcOrStr) {
         var self = MochiKit.Signal;
         var observers = self._observers;
         var disconnect = self._disconnect;
-        var locked = self._lock;
+        var lock = self._lock;
         var dirty = self._dirty;
         if (typeof(funcOrStr) === 'undefined') {
             funcOrStr = null;
         }
         for (var i = observers.length - 1; i >= 0; i--) {
             var ident = observers[i];
             if (ident.objOrFunc === objOrFunc &&
                     (funcOrStr === null || ident.funcOrStr === funcOrStr)) {
                 disconnect(ident);
-                if (locked) {
-                    dirty = true;
-                } else {
+                if (lock === 0) {
                     observers.splice(i, 1);
+                } else {
+                    dirty = true;
                 }
             }
         }
         self._dirty = dirty;
     },
 
     /** @id MochiKit.Signal.disconnectAll */
     disconnectAll: function (src/* optional */, sig) {
         if (typeof(src) == "string") {
             src = MochiKit.DOM.getElement(src);
         }
         var m = MochiKit.Base;
         var signals = m.flattenArguments(m.extend(null, arguments, 1));
         var self = MochiKit.Signal;
         var disconnect = self._disconnect;
         var observers = self._observers;
         var i, ident;
-        var locked = self._lock;
+        var lock = self._lock;
         var dirty = self._dirty;
         if (signals.length === 0) {
             // disconnect all
             for (i = observers.length - 1; i >= 0; i--) {
                 ident = observers[i];
                 if (ident.source === src) {
                     disconnect(ident);
-                    if (!locked) {
+                    if (lock === 0) {
                         observers.splice(i, 1);
                     } else {
                         dirty = true;
                     }
                 }
             }
         } else {
             var sigs = {};
             for (i = 0; i < signals.length; i++) {
                 sigs[signals[i]] = true;
             }
             for (i = observers.length - 1; i >= 0; i--) {
                 ident = observers[i];
                 if (ident.source === src && ident.signal in sigs) {
                     disconnect(ident);
-                    if (!locked) {
+                    if (lock === 0) {
                         observers.splice(i, 1);
                     } else {
                         dirty = true;
                     }
                 }
             }
         }
         self._dirty = dirty;
     },
 
     /** @id MochiKit.Signal.signal */
     signal: function (src, sig) {
         var self = MochiKit.Signal;
         var observers = self._observers;
         if (typeof(src) == "string") {
             src = MochiKit.DOM.getElement(src);
         }
         var args = MochiKit.Base.extend(null, arguments, 2);
         var errors = [];
-        self._lock = true;
+        self._lock++;
         for (var i = 0; i < observers.length; i++) {
             var ident = observers[i];
             if (ident.source === src && ident.signal === sig &&
                     ident.connected) {
                 try {
                     if (ident.isDOM && ident.funcOrStr != null) {
                         var obj = ident.objOrFunc;
                         obj[ident.funcOrStr].apply(obj, args);
                     } else if (ident.isDOM) {
                         ident.objOrFunc.apply(src, args);
                     } else {
                         ident.listener.apply(src, args);
                     }
                 } catch (e) {
                     errors.push(e);
                 }
             }
         }
-        self._lock = false;
-        if (self._dirty) {
+        self._lock--;
+        if (self._lock === 0 && self._dirty) {
             self._dirty = false;
             for (var i = observers.length - 1; i >= 0; i--) {
                 if (!observers[i].connected) {
                     observers.splice(i, 1);
                 }
             }
         }
         if (errors.length == 1) {
             throw errors[0];
         } else if (errors.length > 1) {
             var e = new Error("Multiple errors thrown in handling 'sig', see errors property");
             e.errors = errors;
             throw e;
         }
     }
 
 });
 
 MochiKit.Signal.__new__ = function (win) {
     var m = MochiKit.Base;
     this._document = document;
     this._window = win;
-    this._lock = false;
+    this._lock = 0;
     this._dirty = false;
 
     try {
         this.connect(window, 'onunload', this._unloadCache);
     } catch (e) {
         // pass: might not be a browser
     }
 
     m.nameFunctions(this);
 };
 
 MochiKit.Signal.__new__(this);
 
 //
 // XXX: Internet Explorer blows
 //
 if (MochiKit.__export__) {
     connect = MochiKit.Signal.connect;
     disconnect = MochiKit.Signal.disconnect;
     disconnectAll = MochiKit.Signal.disconnectAll;
     signal = MochiKit.Signal.signal;
 }
 
 MochiKit.Base._exportSymbols(this, MochiKit.Signal);