js/lhgdialog.js

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/*
 *@lhgdialog - Dialog Window v2.0.5 - Date : 2009-9-10
 *@Copyright lhgcore.js (c) 2009 By LiHuiGang Reserved
 */

J.exend({

dialog : (function()
{
    var twin = window.parent, cover;
	while( twin.parent && twin.parent != twin )
	{
	    try{ if( twin.parent.document.domain != document.domain ) break; }
		catch(e){break;}
		twin = twin.parent;
	}
	var tdoc = twin.document;
	
	var restyle = function(el)
	{
	    el.style.cssText = 'margin:0;padding:0;background-image:none;background-color:transparent;border:0;';
	};
	
	var getzi = function()
	{
	    if(!J.dialog.cfg.bzi) J.dialog.cfg.bzi = 1999; return ++J.dialog.cfg.bzi;
	};
	
	var resizehdl = function()
	{
		if(!cover) return; var rel = J.idtd(tdoc) ? tdoc.documentElement : tdoc.body;
		J(cover).stcs({
		    width: Math.max( rel.scrollWidth, rel.clientWidth, tdoc.scrollWidth || 0 ) - 1 + 'px',
			height: Math.max( rel.scrollHeight, rel.clientHeight, tdoc.scrollHeight || 0 ) - 1 + 'px'
		});
	};
	
	return {
	    cfg : { bzi: null, opac: 0.50, bgcolor: '#fff' }, indoc : {}, infrm : {}, inwin : {},
		get : function(d)
		{
		    if( !d || 'object' != typeof d || !d.id || J('#lhg_'+d.id,tdoc) ) return;
			if(d.cover) this.dcover(); else{ if(cover) cover = null; }
			d.width = d.width || 400; d.height = d.height || 300; d.title = d.title || 'lhgdialog弹出窗口';
			
			var dinfo = { tit: d.title, page: d.page, link: d.link, html: d.html, win: window, top: twin, rng: d.rang, cus: d.custom, drg: d.nodrag, rez: d.noresize }
			var cize = J.vsiz(twin), pos = J.spos(twin);
			
			var itop = d.top ? pos.y + d.top : Math.max( pos.y + ( cize.h - d.height - 20 ) / 2, 0 );
			var ileft = d.left ? pos.x + d.left : Math.max( pos.x + ( cize.w - d.width - 20 ) / 2, 0 );
			
			var dfrm = J(tdoc).crte('iframe'); restyle(dfrm);
			J(dfrm).attr({ id: 'lhg_' + d.id, frameBorder: 0 }).stcs({
			    top: itop + 'px', left: ileft + 'px', position: 'absolute',
				width: d.width + 'px', height: d.height + 'px', zIndex: getzi()
			});
			dfrm._dlgargs = dinfo; J(tdoc.body).apch(dfrm); var doc = dfrm.contentWindow.document, foot = d.nofoot ? ' style="display:none"' : '';
			
			doc.open();
			doc.writeln([