lib/overlib/overlib_hideform.js

   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 //   $Revision$                $Date$
  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 }