otl.js
changeset 0 868dae1581ff
equal deleted inserted replaced
-1:000000000000 0:868dae1581ff
       
     1 
       
     2 // otl_handler javascript functions
       
     3 
       
     4 
       
     5 var scroll = new Array();
       
     6 var itemcount = 0;
       
     7 
       
     8 function init_page()
       
     9 {
       
    10     if (! document.getElementById ) return false;
       
    11 
       
    12     var spans = document.getElementsByTagName('span');
       
    13     for (i = 0; i < spans.length; i++) {
       
    14         var id = spans[i].getAttribute('id');
       
    15         if (id == null || id == "") continue;
       
    16         if (id.indexOf("itemtoplevel_") == -1) continue;
       
    17 
       
    18         // ie doesn't support negative substr positions :\
       
    19         // var num = id.substr(-1, 1);
       
    20         var num = id.substr(13, 1);
       
    21         var itemtoplevel = spans[i];
       
    22         var itemgroup    = document.getElementById("itemgroup_" + num);
       
    23         if (! itemtoplevel || ! itemgroup) continue;
       
    24 
       
    25         itemcount++;
       
    26 
       
    27         itemgroup.style.display    = 'none';
       
    28         itemgroup.style.overflow   = 'hidden';
       
    29         itemtoplevel.onmouseover   = function() { this.className = 'level0_over'; }
       
    30         itemtoplevel.onmouseout    = function() { this.className = 'level0'; } 
       
    31         itemtoplevel.onmouseup     = function() { this.className = 'level0'; toggle(this); return false; }
       
    32         itemtoplevel.onselectstart = function() { return false; }
       
    33 
       
    34     }
       
    35 
       
    36     return;
       
    37 }
       
    38 
       
    39 
       
    40 function toggle(i)
       
    41 {
       
    42     var ig = document.getElementById( i.id.replace("toplevel", "group") );
       
    43     if (! ig ) return;
       
    44 
       
    45     var num = ig.id.substr(10,1);
       
    46 
       
    47     // show
       
    48     if (ig.style.display == "" ||
       
    49         ig.style.display == "none") {
       
    50 
       
    51         ig.style.height = "0pt";
       
    52         ig.style.display = 'block';
       
    53         grow(num);
       
    54 
       
    55         // hide others
       
    56         for (i = 0; i != itemcount; i++) {
       
    57            if (i != num) shrink(i);
       
    58         }
       
    59 
       
    60     }
       
    61     // hide
       
    62     else {
       
    63         shrink(num);
       
    64     }
       
    65 
       
    66     return;
       
    67 }
       
    68 
       
    69 function grow(num)
       
    70 {
       
    71     var ig = document.getElementById( "itemgroup_" + num );
       
    72     if (! ig ) return;
       
    73     scroll[num] = 1;
       
    74 
       
    75     var curheight = parseInt(ig.style.height.replace("pt", ""));
       
    76     if (curheight >= 250) {
       
    77         ig.style.overflow = 'auto';
       
    78         scroll[num] = 0;
       
    79         return;
       
    80     }
       
    81 
       
    82     var newheight = curheight + 25 + "pt";
       
    83     ig.style.height = newheight;
       
    84 
       
    85     setTimeout("grow(" + num + ")", 30);
       
    86     return;
       
    87 }
       
    88 
       
    89 function shrink(num)
       
    90 {
       
    91     var ig = document.getElementById( "itemgroup_" + num );
       
    92     if (! ig ) return;
       
    93     if (scroll[num] == 1) return;
       
    94     ig.style.overflow = 'hidden';
       
    95 
       
    96     var curheight = parseInt(ig.style.height.replace("pt", ""));
       
    97     if (curheight == 0) {
       
    98         ig.style.display = 'none';
       
    99         return;
       
   100     }
       
   101 
       
   102     var newheight = curheight - 50 + "pt";
       
   103     ig.style.height = newheight;
       
   104 
       
   105     setTimeout("shrink(" + num + ")", 30);
       
   106     return;
       
   107 }
       
   108 
       
   109