105 lines
2.4 KiB
JavaScript
105 lines
2.4 KiB
JavaScript
//\/////
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//\ overLIB Crossframe Support Plugin
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//\ This file requires overLIB 4.10 or later.
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//\
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//\ overLIB 4.05 - You may not remove or change this notice.
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//\ Copyright Erik Bosrup 1998-2004. All rights reserved.
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//\ Contributors are listed on the homepage.
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//\ See http://www.bosrup.com/web/overlib/ for details.
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// $Revision$
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//\/////
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//\mini
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////////
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// PRE-INIT
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// Ignore these lines, configuration is below.
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////////
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if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.10)) alert('overLIB 4.10 or later is required for the Cross Frame Support Plugin.');
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else {
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registerCommands('frame');
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////////
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// PLUGIN FUNCTIONS
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///////
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// Parses FRAME command
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function parseFrameExtras(pf,i,ar) {
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var k = i,v;
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if (k < ar.length) {
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if (ar[k] == FRAME) { v = ar[++k]; if(pf == 'ol_') ol_frame = v; else opt_FRAME(v); return k; }
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}
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return -1;
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}
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////////
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// SUPPORT FUNCTIONS
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////////
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// Defines which frame we should point to.
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function opt_FRAME(frm) {
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o3_frame = frm;
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over = createDivContainer('overDiv');
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return 0;
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}
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// Get frame depth of nested frames
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function frmDepth(thisFrame,ofrm) {
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var retVal = '';
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for (var i = 0; i<thisFrame.length; i++) {
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if (thisFrame[i].length > 0) {
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retVal = frmDepth(thisFrame[i],ofrm);
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if (retVal == '') continue;
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} else if (thisFrame[i] != ofrm) continue;
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retVal = '[' + i + ']' + retVal;
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break;
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}
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return retVal;
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}
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// Gets frame reference value relative to top frame
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function getFrmRef(srcFrm,tgetFrm) {
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var rtnVal = ''
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if (tgetFrm != srcFrm) {
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var tFrm = frmDepth(top.frames,tgetFrm)
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var sFrm = frmDepth(top.frames,srcFrm)
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if (sFrm.length == tFrm.length) {
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l = tFrm.lastIndexOf('[')
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if (l) {
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while ( sFrm.substring(0,l) != tFrm.substring(0,l) )
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l = tFrm.lastIndexOf('[',l-1)
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tFrm = tFrm.substr(l)
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sFrm = sFrm.substr(l)
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}
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}
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var cnt = 0, p = '',str = tFrm
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while ((k = str.lastIndexOf('[')) != -1) {
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cnt++
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str = str.substring(0,k)
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}
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for (var i = 0; i<cnt; i++) p = p + 'parent.'
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rtnVal = p + 'frames' + sFrm + '.'
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}
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return rtnVal
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}
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function chkForFrmRef() {
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if(o3_frame != ol_frame) fnRef = getFrmRef(ol_frame,o3_frame)
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return true;
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}
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////////
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// PLUGIN REGISTRATIONS
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////////
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registerCmdLineFunction(parseFrameExtras);
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registerPostParseFunction(chkForFrmRef);
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} |