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   1  /**
   2   * $Id: mclayer.js 162 2007-01-03 16:16:52Z spocke $
   3   *
   4   * Moxiecode floating layer script.
   5   *
   6   * @author Moxiecode
   7   * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
   8   */
   9  
  10  function MCLayer(id) {
  11      this.id = id;
  12      this.settings = new Array();
  13      this.blockerElement = null;
  14      this.isMSIE = navigator.appName == "Microsoft Internet Explorer";
  15      this.events = false;
  16      this.autoHideCallback = null;
  17  }
  18  
  19  MCLayer.prototype = {
  20      moveRelativeTo : function(re, p, a) {
  21          var rep = this.getAbsPosition(re);
  22          var w = parseInt(re.offsetWidth);
  23          var h = parseInt(re.offsetHeight);
  24          var x, y;
  25  
  26          switch (p) {
  27              case "tl":
  28                  break;
  29  
  30              case "tr":
  31                  x = rep.absLeft + w;
  32                  y = rep.absTop;
  33                  break;
  34  
  35              case "bl":
  36                  break;
  37  
  38              case "br":
  39                  break;
  40          }
  41  
  42          this.moveTo(x, y);
  43      },
  44  
  45      moveBy : function(dx, dy) {
  46          var e = this.getElement();
  47          var x = parseInt(e.style.left);
  48          var y = parseInt(e.style.top);
  49  
  50          e.style.left = (x + dx) + "px";
  51          e.style.top = (y + dy) + "px";
  52  
  53          this.updateBlocker();
  54      },
  55  
  56      moveTo : function(x, y) {
  57          var e = this.getElement();
  58  
  59          e.style.left = x + "px";
  60          e.style.top = y + "px";
  61  
  62          this.updateBlocker();
  63      },
  64  
  65      show : function() {
  66          MCLayer.visibleLayer = this;
  67  
  68          this.getElement().style.display = 'block';
  69          this.updateBlocker();
  70      },
  71  
  72      hide : function() {
  73          this.getElement().style.display = 'none';
  74          this.updateBlocker();
  75      },
  76  
  77      setAutoHide : function(s, cb) {
  78          this.autoHideCallback = cb;
  79          this.registerEventHandlers();
  80      },
  81  
  82      getElement : function() {
  83          return document.getElementById(this.id);
  84      },
  85  
  86      updateBlocker : function() {
  87          if (!this.isMSIE)
  88              return;
  89  
  90          var e = this.getElement();
  91          var b = this.getBlocker();
  92          var x = this.parseInt(e.style.left);
  93          var y = this.parseInt(e.style.top);
  94          var w = this.parseInt(e.offsetWidth);
  95          var h = this.parseInt(e.offsetHeight);
  96  
  97          b.style.left = x + 'px';
  98          b.style.top = y + 'px';
  99          b.style.width = w + 'px';
 100          b.style.height = h + 'px';
 101          b.style.display = e.style.display;
 102      },
 103  
 104      getBlocker : function() {
 105          if (!this.blockerElement) {
 106              var d = document, b = d.createElement("iframe");
 107  
 108              b.style.cssText = 'display: none; left: 0px; position: absolute; top: 0';
 109              b.src = 'javascript:false;';
 110              b.frameBorder = '0';
 111              b.scrolling = 'no';
 112  
 113              d.body.appendChild(b);
 114              this.blockerElement = b;
 115          }
 116  
 117          return this.blockerElement;
 118      },
 119  
 120      getAbsPosition : function(n) {
 121          var p = {absLeft : 0, absTop : 0};
 122  
 123          while (n) {
 124              p.absLeft += n.offsetLeft;
 125              p.absTop += n.offsetTop;
 126              n = n.offsetParent;
 127          }
 128  
 129          return p;
 130      },
 131  
 132      registerEventHandlers : function() {
 133          if (!this.events) {
 134              var d = document;
 135  
 136              this.addEvent(d, 'mousedown', MCLayer.prototype.onMouseDown);
 137  
 138              this.events = true;
 139          }
 140      },
 141  
 142      addEvent : function(o, n, h) {
 143          if (o.attachEvent)
 144              o.attachEvent("on" + n, h);
 145          else
 146              o.addEventListener(n, h, false);
 147      },
 148  
 149      onMouseDown : function(e) {
 150          e = typeof(e) == "undefined" ? window.event : e;
 151          var b = document.body;
 152          var l = MCLayer.visibleLayer;
 153  
 154          if (l) {
 155              var mx = l.isMSIE ? e.clientX + b.scrollLeft : e.pageX;
 156              var my = l.isMSIE ? e.clientY + b.scrollTop : e.pageY;
 157              var el = l.getElement();
 158              var x = parseInt(el.style.left);
 159              var y = parseInt(el.style.top);
 160              var w = parseInt(el.offsetWidth);
 161              var h = parseInt(el.offsetHeight);
 162  
 163              if (!(mx > x && mx < x + w && my > y && my < y + h)) {
 164                  MCLayer.visibleLayer = null;
 165  
 166                  if (l.autoHideCallback && l.autoHideCallback(l, e, mx, my))
 167                      return true;
 168  
 169                  l.hide();
 170              }
 171          }
 172      },
 173  
 174      addCSSClass : function(e, c) {
 175          this.removeCSSClass(e, c);
 176          var a = this.explode(' ', e.className);
 177          a[a.length] = c;
 178          e.className = a.join(' ');
 179      },
 180  
 181      removeCSSClass : function(e, c) {
 182          var a = this.explode(' ', e.className), i;
 183  
 184          for (i=0; i<a.length; i++) {
 185              if (a[i] == c)
 186                  a[i] = '';
 187          }
 188  
 189          e.className = a.join(' ');
 190      },
 191  
 192      explode : function(d, s) {
 193          var ar = s.split(d);
 194          var oar = new Array();
 195  
 196          for (var i = 0; i<ar.length; i++) {
 197              if (ar[i] != "")
 198                  oar[oar.length] = ar[i];
 199          }
 200  
 201          return oar;
 202      },
 203  
 204      parseInt : function(s) {
 205          if (s == null || s == '')
 206              return 0;
 207  
 208          return parseInt(s);
 209      }
 210  }