Open-ILS/web/opac/common/js/slimtree.js

   1 var stpicopen   = '../../../images/slimtree/folder.gif';
   2 var stpicclose = '../../../images/slimtree/folderopen.gif';
   3 var stpicblank = '../../../images/slimtree/page.gif';
   4 var stpicline   = '../../../images/slimtree/line.gif';
   5 var stpicjoin   = '../../../images/slimtree/join.gif';
   6 var stpicjoinb = '../../../images/slimtree/joinbottom.gif';
   7
   8 var stimgopen   = elem('img',{src:stpicopen,border:0});
   9 var stimgclose  = elem('img',{src:stpicclose,border:0});
  10 var stimgblank  = elem('img',{src:stpicblank,border:0});
  11 var stimgline   = elem('img',{src:stpicline,border:0});
  12 var stimgjoin   = elem('img',{src:stpicjoin,border:0, style:'display:inline;'});
  13
  14 function _apc(root,node) { root.appendChild(node); }
  15
  16 function SlimTree(context, handle, rootimg) {
  17         this.context    = context;
  18         this.handle             = handle;
  19         this.cache              = new Object();
  20         if(rootimg)
  21                 this.rootimg = elem('img',
  22                         {src:rootimg,border:0,style:'padding-right: 4px;'});
  23 }
  24
  25 SlimTree.prototype.addCachedChildren = function(pid) {
  26         var child;
  27         while( child = this.cache[pid].shift() )
  28                 this.addNode( child.id, child.pid,
  29                         child.name, child.action, child.title );
  30         this.cache[pid] = null;
  31 }
  32
  33 SlimTree.prototype.addNode = function( id, pid, name, action, title ) {
  34
  35         if( pid != -1 && !$(pid)) {
  36                 if(!this.cache[pid]) this.cache[pid] = new Array();
  37                 this.cache[pid].push(
  38                         {id:id,pid:pid,name:name,action:action,title:title });
  39                 return;
  40         }
  41
  42         var div                 = elem('div',{id:id});
  43         var topdiv              = elem('div',{style:'vertical-align:middle'});
  44         var link                        = elem('a', {id:'stlink_' + id});
  45         var actionref   = elem('a',{href:action}, name);
  46         var contdiv             = elem('div',{id:'stcont_' + id});
  47         if(action) actionref.setAttribute('href',action);
  48         if(title) actionref.setAttribute('title',title);
  49         else actionref.setAttribute('title',name);
  50
  51         _apc(topdiv,link);
  52         _apc(topdiv,actionref);
  53         _apc(div,topdiv);
  54         _apc(div,contdiv);
  55
  56         if( pid == -1 ) {
  57
  58                 this.rootid = id;
  59                 _apc(this.context,div);
  60                 if(this.rootimg) _apc(link,this.rootimg.cloneNode(true));
  61                 else _apc(link,stimgblank.cloneNode(true));
  62
  63         } else {
  64
  65                 if(pid == this.rootid) this.open(pid);
  66                 else this.close(pid);
  67                 $(pid).setAttribute('haschild','1');
  68                 _apc(link,stimgblank.cloneNode(true));
  69                 div.style.paddingLeft = '18px';
  70                 div.style.backgroundImage = 'url('+stpicjoinb+')';
  71                 div.style.backgroundRepeat = 'no-repeat';
  72                 _apc($('stcont_' + pid), div);
  73                 if (div.previousSibling) stMakePaths(div);
  74         }
  75         if(this.cache[id]) this.addCachedChildren(id);
  76 }
  77
  78 function stMakePaths(div) {
  79         _apc(div.previousSibling.firstChild,stimgjoin.cloneNode(true));
  80         _apc(div.previousSibling.firstChild,div.previousSibling.firstChild.firstChild);
  81         _apc(div.previousSibling.firstChild,div.previousSibling.firstChild.firstChild);
  82         div.previousSibling.firstChild.firstChild.style.marginLeft = '-18px';
  83         div.previousSibling.style.backgroundImage = 'url('+stpicline+')';
  84         div.previousSibling.style.backgroundRepeat = 'repeat-y';
  85 }
  86
  87 SlimTree.prototype.expandAll = function() { this.flex(this.rootid, 'open'); }
  88 SlimTree.prototype.closeAll = function() { this.flex(this.rootid,'close'); }
  89 SlimTree.prototype.flex = function(id, type) {
  90         if(type=='open') this.open(id);
  91         else { if (id != this.rootid) this.close(id); }
  92         var n = $('stcont_' + id);
  93         for( var c = 0; c != n.childNodes.length; c++ ) {
  94                 var ch = n.childNodes[c];
  95                 if(ch.nodeName.toLowerCase() == 'div') {
  96                         if($(ch.id).getAttribute('haschild') == '1')
  97                                 this.flex(ch.id, type);
  98                 }
  99         }
 100 }
 101
 102 SlimTree.prototype.toggle = function(id) {
 103         if($(id).getAttribute('ostate') == '1') this.open(id);
 104         else if($(id).getAttribute('ostate') == '2') this.close(id);
 105 }
 106
 107 SlimTree.prototype.open = function(id) {
 108         if($(id).getAttribute('ostate') == '2') return;
 109         var link = $('stlink_' + id);
 110         if(id != this.rootid || !this.rootimg) {
 111                 removeChildren(link);
 112                 _apc(link,stimgclose.cloneNode(true));
 113         }
 114         link.setAttribute('href','javascript:' + this.handle + '.close("'+id+'");');
 115         unHideMe($('stcont_' + id));
 116         $(id).setAttribute('ostate','2');
 117 }
 118
 119 SlimTree.prototype.close = function(id) {
 120         var link = $('stlink_' + id);
 121         if(id != this.rootid || !this.rootimg) {
 122                 removeChildren(link);
 123                 _apc(link,stimgopen.cloneNode(true));
 124         }
 125         link.setAttribute('href','javascript:' + this.handle + '.open("'+id+'");');
 126         hideMe($('stcont_' + id));
 127         $(id).setAttribute('ostate','1');
 128 }
 129