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   1  //\/////
   2  //\  overLIB Hide Form Plugin
   3  //\
   4  //\  Uses an iframe shim to mask system controls for IE v5.5 or higher as suggested in
   5  //\  http://dotnetjunkies.com/weblog/jking/posts/488.aspx
   6  //\  This file requires overLIB 4.10 or later.
   7  //\
   8  //\  overLIB 4.05 - You may not remove or change this notice.
   9  //\  Copyright Erik Bosrup 1998-2004. All rights reserved.
  10  //\  Contributors are listed on the homepage.
  11  //\  See http://www.bosrup.com/web/overlib/ for details.
  12  //   $Revision: 1.20 $                $Date: 2004/11/25 21:27:19 $
  13  //\/////
  14  //\mini
  15  if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.10)) alert('overLIB 4.10 or later is required for the HideForm Plugin.');
  16  else {
  17  
  18  // Function which generates the popup with an IFRAME shim
  19  function generatePopUp(content) {
  20      if(!olIe4||olOp||!olIe55||(typeof o3_shadow != 'undefined' && o3_shadow)||(typeof o3_bubble != 'undefined' && o3_bubble)) return;
  21  
  22      var wd,ht,txt, zIdx =  0;
  23  
  24      wd =  parseInt(o3_width);
  25      ht =  over.offsetHeight;
  26      txt =  backDropSource(wd,ht,zIdx++);
  27      txt += '<div style="position: absolute; top: 0; left: 0; width: '+ wd+'px; z-index: ' + zIdx + ';">' + content + '</div>';
  28      layerWrite(txt);
  29  }
  30  
  31  // Code for the IFRAME which is used in other places
  32  function backDropSource(width, height, Z) {
  33      return '<iframe frameborder="0" scrolling="no" src="javascript:false;" width="' + width + '" height="' + height + '" style="z-index: ' + Z + '; filter: Beta(Style=0,Opacity=0);"></iframe>';
  34  }
  35  
  36  // Hides SELECT boxes that will be under the popup
  37  // Checking Gecko version number to try to include other browsers based on the Gecko engine
  38  function hideSelectBox() {
  39      if(olNs4 || olOp || olIe55) return;
  40      var px, py, pw, ph, sx, sw, sy, sh, selEl, v;
  41  
  42      if(olIe4) v = 0;
  43      else {
  44          v = navigator.userAgent.match(/Gecko\/(\d{8})/i);
  45          if(!v) return;   // return if no string match
  46          v = parseInt(v[1]);
  47      }
  48  
  49      if (v < 20030624) {  // versions less than June 24, 2003 were earlier Netscape browsers
  50          px = parseInt(over.style.left);
  51          py = parseInt(over.style.top);
  52          pw = o3_width;
  53          ph = (o3_aboveheight ? parseInt(o3_aboveheight) : over.offsetHeight);
  54          selEl = (olIe4) ? o3_frame.document.all.tags("SELECT") : o3_frame.document.getElementsByTagName("SELECT");
  55          for (var i=0; i<selEl.length; i++) {
  56              if(!olIe4 && selEl[i].size < 2) continue;  // Not IE and SELECT size is 1 or not specified
  57              sx = pageLocation(selEl[i],'Left');
  58              sy = pageLocation(selEl[i],'Top');
  59              sw = selEl[i].offsetWidth;
  60              sh = selEl[i].offsetHeight;
  61              if((px+pw) < sx || px > (sx+sw) || (py+ph) < sy || py > (sy+sh)) continue;
  62              selEl[i].isHidden = 1;
  63              selEl[i].style.visibility = 'hidden';
  64          }
  65      }
  66  }
  67  
  68  // Shows previously hidden SELECT Boxes
  69  function showSelectBox() {
  70      if(olNs4 || olOp || olIe55) return;
  71      var selEl, v;
  72  
  73      if(olIe4) v = 0;
  74      else {
  75          v = navigator.userAgent.match(/Gecko\/(\d{8})/i);
  76          if(!v) return; 
  77          v = parseInt(v[1]);
  78      }
  79  
  80      if(v < 20030624) {
  81          selEl = (olIe4) ? o3_frame.document.all.tags("SELECT") : o3_frame.document.getElementsByTagName("SELECT");
  82          for (var i=0; i<selEl.length; i++) {
  83              if(typeof selEl[i].isHidden !=  'undefined' && selEl[i].isHidden) {
  84                  selEl[i].isHidden = 0;
  85                  selEl[i].style.visibility = 'visible';
  86              }
  87          }
  88      }
  89  }
  90  
  91  // function gets the total offset properties of an element
  92  // this same function occurs in overlib_mark.js.
  93  function pageLocation(o,t){
  94      var x = 0
  95  
  96      while(o.offsetParent){
  97          x += o['offset'+t]
  98          o = o.offsetParent
  99      }
 100  
 101      x += o['offset'+t]
 102  
 103      return x
 104  }
 105  
 106  // reset mouse move routine for NS7 but not NS7.1,Opera, or IE5.5+
 107  // It also bypasses Netscape 6 since the modifications mess up the display of popups
 108  // and don't work anyways.
 109  // Modify mouse move routine while loading so that hideSelectBox()
 110  // can be called from the correct location
 111  if (!(olNs4 || olOp || olIe55 || navigator.userAgent.indexOf('Netscape6') != -1)) {
 112      var MMStr = olMouseMove.toString();
 113      var strRe = /(if\s*\(o3_allowmove\s*==\s*1.*\)\s*)/;
 114      var f = MMStr.match(strRe);
 115  
 116      if (f) {
 117          var ls = MMStr.search(strRe);
 118          ls += f[1].length;
 119          var le = MMStr.substring(ls).search(/[;|}]\n/);
 120          MMStr = MMStr.substring(0,ls) + ' { runHook("placeLayer",FREPLACE); if(olHideForm) hideSelectBox(); ' + MMStr.substring(ls + (le != -1 ? le+3 : 0));
 121          document.writeln('<script type="text/javascript">\n<!--\n' + MMStr + '\n//-->\n</' + 'script>');
 122      }
 123  
 124      f = capExtent.onmousemove.toString().match(/function[ ]+(\w*)\(/);
 125      if (f&&f[1] != 'anonymous') capExtent.onmousemove = olMouseMove;
 126  }
 127  
 128  
 129  ////////
 130  // PLUGIN REGISTRATIONS
 131  ////////
 132  registerHook("createPopup",generatePopUp,FAFTER);
 133  registerHook("hideObject",showSelectBox,FAFTER);
 134  olHideForm=1;
 135  }