Ticker javascript code.

diff --git a/web/ticker.js b/web/ticker.js
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+++ b/web/ticker.js
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+/*
+ *  brisk - ticker.js
+ *
+ *  Copyright (C) 2006-2008 Matteo Nastasi
+ *                          mailto: nastasi@alternativeoutput.it 
+ *                                  matteo.nastasi@milug.org
+ *                          web: http://www.alternativeoutput.it
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details. You should have received a
+ * copy of the GNU General Public License along with this program; if
+ * not, write to the Free Software Foundation, Inc, 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ *
+ */
+
+function train(anc) {
+    var box;
+    this.anc = anc;
+       
+    box = document.createElement("div");
+    box.className = "train";
+    box.id = "train";
+    box.style.left = "0px";
+    box.style.width = "0px";
+    box.style.height = "0px";
+    box.anc = this;
+    
+    addEvent(box, "mouseover", function() { this.anc.stop_move(); } );
+    addEvent(box, "mouseout", function() { this.anc.start_move(); } );
+
+    this.box = box;
+    this.anc.appendChild(box);
+
+}
+
+train.prototype = {
+    anc: null,
+    first: null,
+    box: null,
+    notebox: null,
+    width: 0,
+    deltat: 100,
+    deltas: 5,
+    xend: 0,
+    timout: null,
+
+    show: function()
+    {
+        this.box.style.visibility = "visible";
+    },
+
+    hide: function()
+    {
+        this.box.style.visibility = "hidden";
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            if (cur.notebox != null) {
+                cur.cb_mouseout();
+            }
+        }
+           
+    },
+
+    add: function(table, title)
+    {
+        var last, wag, curx;
+        var dostart = 0;
+
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            if (cur.table == table)
+                return;
+        }
+
+        wag = new wagon(this, table, title);
+        if (this.first == null) {
+            this.first = wag;
+            dostart = 1;
+        }
+        else {
+            for (cur = this.first ; cur.next != null ; cur = cur.next);
+            cur.next = wag;
+        }
+
+        this.redraw();
+        this.xend = -this.widthbox_get();
+
+        if (dostart) {
+            this.start();
+        }
+    },
+
+    rem: function(table)
+    {
+        var prev = null, remo = null;
+
+        if (this.first == null) {
+            return;
+        }
+   
+        if (this.first.table == table) {
+            remo = this.first;
+        }
+
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            // recalculate the width and replace wagons
+            if (cur.table == table) {
+                remo = cur;
+                break;
+            }
+        }
+
+        if (remo != null) {
+            remo.box.className = "wagon_disable";
+            removeEvent(remo.box, "mouseover", function() { this.anc.cb_mouseover(); } );
+            removeEvent(remo.box, "click",     function() { this.anc.cb_click(); } );
+            setTimeout(function(){ arguments[0][0].shut_wagon(arguments[0]); }, 3000, [ this, remo ]);
+        }
+
+        this.redraw();
+    },
+
+    rem_obj: function(obj)
+    {
+        var prev = null, remo = null;
+
+        if (this.first == null) {
+            return;
+        }
+   
+
+        if (this.first == obj) {
+            remo = this.first;
+            this.first = this.first.next;
+        }
+
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            // recalculate the width and replace wagons
+            if (cur == obj) {
+                remo = cur;
+                
+                if (prev != null) {
+                   prev.next = cur.next;
+                }
+                break;
+            }
+            prev = cur;
+        }
+
+        this.redraw();
+
+        if (this.first == null) {
+            clearTimeout(this.timout);
+            // this.box.style.visibility = "hidden";            
+        }
+    },
+
+    stop_move: function()
+    {
+        this.deltas = 0;
+    },
+
+    start_move: function()
+    {
+        this.deltas = 5;
+    },
+
+    shut_wagon: function(args)
+    {
+        var curw;
+
+        obj = arguments[0][0];
+        wag = arguments[0][1];
+
+        if (wag.shut_step == 0) {
+            wag.box.className = "wagon_disable";
+            wag.shut_step = 1;
+        }
+        else {
+            if (wag.shut_step == 1) {
+                wag.w = wag.widthbox_get();
+                wag.box.className = "wagon_disable2";
+                wag.box.style.padding = "0px";
+                wag.box.style.width =  (wag.w-2)+"px";
+                wag.box.style.height = (wag.h-2)+"px"; // 2 for border width
+                wag.table = "";
+                wag.box.innerHTML = "";
+                wag.shut_step = 2;
+            }
+           curw = wag.widthbox_get() - 4;
+            wag.w = curw + 2; // 2 for border pixels
+            if (curw <= 0) {
+                obj.box.removeChild(wag.box);
+                obj.rem_obj(wag);
+
+                return;
+            }
+            else {
+                wag.box.style.width = curw+"px";
+                wag.box.style.padding = "0px";
+            }
+        }
+        this.redraw();
+        setTimeout(function(){ arguments[0][0].shut_wagon(arguments[0]);  }, 100, [ obj, wag ]);
+    },
+
+    redraw: function()
+    {
+        var maxw = 0, maxh = 0, curh;
+
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            // recalculate the width and replace wagons
+            maxw += 2 + (maxw == 0 ? 0 : 2) + cur.width_get();
+            curh = cur.height_get();
+            maxh = (maxh < curh ? curh : maxh);
+        }
+        maxh += 2;
+        curx = 0;
+        
+        for (cur = this.first ; cur != null ; cur = cur.next) {
+            // recalculate the width and replace wagons
+            cur.left_set(curx);
+            curx += cur.width_get() + 4;
+        }
+
+        this.box.style.width = maxw+"px";
+        this.box.style.height = maxh+"px";
+    },
+
+    resetx: function()
+    {
+        this.box.style.left = this.anc.offsetWidth+"px";
+    },
+
+
+    start: function()
+    {
+        this.resetx();
+        this.timout = setTimeout(function(obj){ obj.animate(); }, this.deltat, this);
+    },
+
+    animate: function()
+    {
+       this.box.style.left = (parseInt(this.box.style.left) - this.deltas)+"px";
+       if (parseInt(this.box.style.left) >= this.xend) {
+            this.timout = setTimeout(function(obj){ obj.animate(); }, this.deltat, this);
+        }
+        else {
+            // qui destroy
+            this.box.style.left = this.anc.offsetWidth+"px";
+            this.timout = setTimeout(function(obj){ obj.animate(); }, this.deltat, this);
+        }
+    },
+
+    widthbox_get: function()
+    {
+        return (this.box.offsetWidth);
+    },
+
+    heightbox_get: function()
+    {
+        return (this.box.offsetHeight);
+    },
+
+    widthanc_get: function()
+    {
+        return (this.anc.offsetWidth);
+    },
+
+    heightanc_get: function()
+    {
+        return (this.anc.offsetHeight);
+    }
+} // train class end
+
+
+
+function wagon(anc, table, title) {
+    var box;
+    var othis = this;
+    this.anc = anc;
+    
+    box = document.createElement("div");
+    box.className = "wagon";
+    box.anc = this;
+    this.table = table;
+    this.title = title;
+    box.innerHTML = "Tavolo&nbsp;"+table;
+    this.box = box;
+    this.box.setAttribute("title", unescapeHTML(title));
+    
+    addEvent(this.box, "mouseover", function() { this.anc.cb_mouseover(); } );
+    addEvent(this.box, "mouseout",  function() { this.anc.cb_mouseout(); }  );
+    addEvent(this.box, "click",     function() { this.anc.cb_click(); }     );
+
+    this.anc.box.appendChild(box);
+
+    this.w = this.widthbox_get();
+    this.h = this.heightbox_get();
+}
+
+wagon.prototype = {
+    prev: null,
+    next: null,
+    table: 55,
+    anc: null,
+    w: 0,
+    h: 0,
+    x: 0,
+    box: null,
+    shut_step: 0, 
+
+    width_get: function()
+    {
+        return (this.w);
+    },
+
+    height_get: function()
+    {
+        return (this.h);
+    },
+
+    widthbox_get: function()
+    {
+        return (this.box.offsetWidth);
+    },
+
+    heightbox_get: function()
+    {
+        return (this.box.offsetHeight);
+    },
+
+    widthnotebox_get: function()
+    {
+        return (this.notebox.offsetWidth);
+    },
+
+    heightnotebox_get: function()
+    {
+        return (this.notebox.offsetHeight);
+    },
+
+    left_set: function(x)
+    {
+        this.box.style.left  = x+"px";
+    },
+
+    cb_click: function()
+    { 
+        act_sitdown(this.table); 
+    },
+
+    cb_mouseover: function()
+    {
+        var notebox, deltax;
+
+        notebox = document.createElement("div");
+        notebox.className = "notebox";
+        notebox.id = "wagon_note";
+
+        notebox.innerHTML = $("table"+this.table).innerHTML;
+        $("room_standup_orig").appendChild(notebox);
+        
+        deltax = 0;
+        deltax = parseInt(getStyle(this.anc.box, "left", "left")) +
+                   parseInt(getStyle(this.box, "left", "left")) +
+                   ((this.box.offsetWidth - notebox.offsetWidth) / 2);
+        
+        notebox.style.left = deltax + "px";
+        notebox.style.top = (-10 -notebox.offsetHeight)+"px";
+        notebox.style.visibility = "visible";
+        notebox.anc = this;
+    
+        this.notebox = notebox;
+
+        return;
+    },
+
+    cb_mouseout: function()
+    {
+        if (this.notebox != null) {
+            $("room_standup_orig").removeChild(this.notebox);
+            this.notebox = null;
+        }
+    }
+
+} // wagon class end