/* InetSDK Applies To Code */

/* Note -- hard coded links are added to the style comments in fnPostAtInit */

// General comments are stored in this string.
var sGeneralComments="";

// Style comments are stored in this string.
var sStyleComments="";

// Default help text.
var sHelpText="Move the mouse pointer over an element in the Applies To list to display availability information for the listed platforms.";

/*
	Platform information displayed within the info-block of the table.
	This hash works in conjunction with the platform names provided in the PLATINFO attribute of a link.
*/
var _gvRowData=new Array();
_gvRowData["win16"]={"name":"16-bit Windows","displayName":"Win16","row":0};
_gvRowData["win32"]={"name":"32-bit Windows","displayName":"Win32","row":0};
_gvRowData["ce"]={"name":"Windows CE","displayName":"WinCE","row":0};
_gvRowData["unix"]={"name":"Unix","displayName":"Unix","row":0};
_gvRowData["mac"]={"name":"Macintosh","displayName":"Mac","row":0};
_gvRowData["plat:win"]={"name":"Windows","displayName":"Win","row":0};

var bATInit=false;

/*
	void fnATInit();
	Invoked by PostGBInit in common.js
	Initializes the applies to list and sets the global init boolean to true.
*/
function fnATInit(){
	if(typeof(oATTable) != 'undefined' && bATInit==false){
		fnPostATInit();
		bATInit=true;
	}
}

/*
	void fnPostATInit();
	Invoked by fnATInit.
	Sets up the UI, adds event handlers to links.
*/
function fnPostATInit(){
	// Setup table when browser version is greater or equal to 4.
	var oATNodes=oATData.all.tags("A");
	if(oATNodes.length==0) oATNodes = oATData.all.tags("link");
	var iMinVer=-1;
	var vUseRowData={};
	var vUseRowNames=new Array();
	
	var iStyleVer=0;
	var iCurrentStyleVer=0;
	var iRuntimeStyleVer=0;
	var iMinStyleVer=0;
	var oExp=new RegExp("\\s","g");	

	/*
		Loop through the links, set focus and blur event handlers,
		find the minimum versions, 
		determine which platform rows to display.
	*/
	for(var i=0;i<oATNodes.length;i++){
		var oNode=oATNodes[i];
		if(oNode.tagName=="A" || oNode.tagName=="link"){
			oNode.onfocus=fnATData;
			oNode.onblur=fnATClear;			
			var sPlatInfo=oNode.getAttribute("PLATINFO");
			var sLinkName=oNode.innerText;
			if(sPlatInfo!=null){
				var aTemp=sPlatInfo.split(";");
				for(var p=0;p<aTemp.length;p++){
					var aThrash=aTemp[p].split("=");
					var sVer=aThrash[1].replace(oExp,"");
					var sPlatName=aThrash[0];
					if((!vUseRowData[sPlatName])){
						vUseRowData[sPlatName]=1;
						vUseRowNames[vUseRowNames.length]=sPlatName;
					}
					var iVer=parseFloat(aThrash[1]);
					if(iVer>0 && iMinVer<0){
						iMinVer=iVer;
					}
					if(iVer>0 && iVer<iMinVer){
						iMinVer=iVer;
					}
					if(iVer>0){
						switch(sLinkName){
							case "style":
								iStyleVer=(iVer<iStyleVer || iStyleVer==0)?iVer:iStyleVer;
								iMinStyleVer=(iVer<iMinStyleVer || iMinStyleVer==0)?iVer:iMinStyleVer;
								break;
							case "runtimeStyle":
								iRuntimeStyleVer=(iVer<iRuntimeStyleVer || iRuntimeStyleVer==0)?iVer:iRuntimeStyleVer;
								iMinStyleVer=(iVer<iMinStyleVer || iMinStyleVer==0)?iVer:iMinStyleVer;							
								break;
							case "currentStyle":
								iCurrentStyleVer=(iVer<iCurrentStyleVer || iCurrentStyleVer==0)?iVer:iCurrentStyleVer;
								iMinStyleVer=(iVer<iMinStyleVer || iMinStyleVer==0)?iVer:iMinStyleVer;							
								break;
						}
					}
					
				}
			}
		}
	}
	// Get project name from _topicdata XML data island, set project specific help strings.
	if(typeof(_topicdata)=="object" && _topicdata.tagName=="XML"){
		var sMemberName=_topicdata.getAttribute("name");
		var sPN=_topicdata.getAttribute("pn");
		var sMemberType=(sPN==null)?"property":"attribute";
		sMemberName=(sPN==null)?sMemberName:sPN;
		
		var sProj=_topicdata.getAttribute("proj");
		var sAddHelpString="";
		// Add project specific help messages here.
		if(sProj){
			switch(sProj){
				case "pchealth":
					break;
				case "workshop":
					sAddHelpString="  Internet Explorer does not expose this member on platforms that are not listed.";
					break;
			}
		}
		sHelpText+=sAddHelpString;

		// Check _topicdata to determine if the reference is a style and/or currentstyle member
		var bIsCurrentStyleProp=(_topicdata.getAttribute("is_currentstyle_prop"))?true:false;
		var bIsStyleProp=(_topicdata.getAttribute("is_style_prop"))?true:false;
		
		// If the member name or persistent name exists on _topicdata, and the document is a style or current style property, then formulate the dynamic sentence.
		if(sMemberName!=null && (bIsStyleProp ||  bIsCurrentStyleProp)){
			var vUseVer=iMinStyleVer;

			var vStyleLink='<A STYLE="color: #2277FF;" HREF="/workshop/author/dhtml/reference/objects/obj_style.asp">style</A>';
			var vCurrentStyleLink='<A STYLE="color: #2277FF;" HREF="/workshop/author/dhtml/reference/objects/currentStyle.asp">currentStyle</A>';
			var vRuntimeStyleLink='<A STYLE="color: #2277FF;" HREF="/workshop/author/dhtml/reference/objects/runtimeStyle.asp">runtimeStyle</A>';
			
			// The style property was first available in IE 4.  This condition is present for error-checking.
			if(iMinStyleVer<4 && iMinStyleVer>0){
				vUseVer="4.0";
			}
			
			// Use iMark to determine the grammar of the prepositional phrase (object., or object, object, object, or object).
			var iMark=0;

			// If the member is a style property, the style property is greater than 0 (default), and the style property version is equal to the minimum *style version, then add the link and increment iMark.

			var aStyleObjList = new Array();

			if(bIsStyleProp && iStyleVer>0 && iStyleVer==iMinStyleVer){
				aStyleObjList[aStyleObjList.length] = vStyleLink;
			}
			if(iCurrentStyleVer>0 && iCurrentStyleVer==iMinStyleVer){
				aStyleObjList[aStyleObjList.length] = vCurrentStyleLink;
			}
			if(iRuntimeStyleVer>0 && iRuntimeStyleVer==iMinStyleVer){
				aStyleObjList[aStyleObjList.length] = vRuntimeStyleLink;
			}

			if (aStyleObjList.length > 0)
			{
				sStyleComments="Objects that expose the <B>" + sMemberName + "</B> " + sMemberType + " as of Internet Explorer " + vUseVer + " or later are accessible through script using the ";

				switch(aStyleObjList.length)
				{
					case 1:
						sStyleComments += aStyleObjList[0];
						break;
					case 2:
						sStyleComments += aStyleObjList[0] + " or " + aStyleObjList[1];
						break;
					default:
						for (var i = 0; i < aStyleObjList.length; i++)
						{
							sStyleComments += aStyleObjList[i];
							if (i == aStyleObjList.length-2)
							{
								sStyleComments += ", or ";
							}
							else							
							{
								sStyleComments += ", ";
							}
						}
						sStyleComments = sStyleComments.replace(/,\s*$/, "");
				}	
				sStyleComments += " object" + (aStyleObjList.length > 1 ? "s" : "") + ".";
			}
			
			// This condition checks if the member was exposed to the style object before or at the same time as the currentStyle and runtimeStyle objects.
			if(iCurrentStyleVer > iMinStyleVer || iRuntimeStyleVer>iMinStyleVer){
				var iNextMin=(iRuntimeStyleVer>iMinStyleVer && iRuntimeStyleVer<=((iCurrentStyleVer>iMinStyleVer)?iCurrentStyleVer:iRuntimeStyleVer))?iRuntimeStyleVer:iCurrentStyleVer;
				sStyleComments+="  They are also accessible in Internet Explorer " + iNextMin + " or later using the ";
				if(iCurrentStyleVer==iRuntimeStyleVer){
					sStyleComments+=vCurrentStyleLink + " object or the " + vRuntimeStyleLink + " object.";
				}
				else{
					if(iCurrentStyleVer > iMinStyleVer && iCurrentStyleVer==iNextMin){
						sStyleComments+=vCurrentStyleLink + " object";
					}
					if(iRuntimeStyleVer>iMinStyleVer && iRuntimeStyleVer==iNextMin){
						sStyleComments+=vRuntimeStyleLink + " object";
					}
				}
				if(iCurrentStyleVer > iNextMin || iRuntimeStyleVer>iNextMin){
					var iMax=(iCurrentStyleVer>iRuntimeStyleVer)?iCurrentStyleVer:iRuntimeStyleVer;
					var vLink=(iCurrentStyleVer>iRuntimeStyleVer)?vCurrentStyleLink:vRuntimeStyleLink;
					sStyleComments+=", and in Internet Explorer " + iMax + " or later using the " + vLink + " object.";

				}
				else{
					sStyleComments+=".";
				}
			}
		}
	}
	
	// Create the platform columns.
	fnAddATDataRows(vUseRowNames);
	// Set display styles and event handlers.
	if(vUseRowNames.length>0){
		oATData.width="85%";
		oPlatData.width="100%";
		oPlatData.parentElement.style.display="block";
		oATData.onmouseover=fnATData;
		oATData.onmouseout=fnATClear;
		oATData.onfocus=fnATData;
		oATData.onblur=fnATClear;
		var oATC=oATTable.rows(oATTable.rows.length-1).cells(0);
		oATC.innerHTML=sHelpText;
		oATC.style.display="block";
		var oHasFocus=document.activeElement;
		if(oHasFocus.parentElement==oATData){
			fnUnPack(oHasFocus,true);
		}
		else{
			oATHelp.style.display="block";
		}
	}
}

/*
	void fnAddATDataRows(ARRAY aUseRowNames);
	Invoked by fnPostATInit
	Builds the platform and version information table.
*/
function fnAddATDataRows(aUseRowNames){
	var sTableData='<TABLE CLASS="TMATPD" ID="oPlatData" BORDER="0" CELLSPACING="1">';
	sTableData+='<TR><TH STYLE="font-weight: normal;" CLASS="atLabel" TITLE="The name of the object that has focus or is selected in the applies to list." COLSPAN=2>[ Object Name ]</TH></TR>';
	sTableData+='<TR><TH CLASS="atLabel" TITLE="Platforms that run Internet Explorer.">Platform</TH><TH  CLASS="atLabel" TITLE="This column lists the first version of Internet Explorer that the selected element supported this member." >Version</TH></TR>';
	// iRowIndex is set to 2 because the first two rows (above) are used for labels.
	var iRowIndex=2;
	var iUseLen=aUseRowNames.length;
	for(var i=0;i<iUseLen;i++){
		var sPlatName=aUseRowNames[i];
		var vData=_gvRowData[sPlatName];
		// If the platform name is defined in the global hash (defined at top of this file), then add the row and record the row index for use when updating the values.
		// The row is hidden until the first call fnUnPack()
		if(vData){
			sTableData+='<TR STYLE="cursor: default;display: none;" TITLE="Version of Internet Explorer that the selected element supported this member for the ' + vData.name + ' platform."><TD>' + vData.displayName + ':</TD><TD STYLE="text-align: right;"></TD></TR>';
			_gvRowData[sPlatName].row=iRowIndex;
			iRowIndex++;
		}
	}
	// Add the help row.
	sTableData+='<TR STYLE="display: none; font-size: 8pt;" ID=oATHelp><TD COLSPAN=2>Version data is listed when the mouse hovers over a link, or the link has focus.</TD></TR>';
	sTableData+='</TABLE>';
	if(iUseLen>0){
		// Insert the HTML into the applies-to table.
		oATTable.rows(0).cells(0).innerHTML=sTableData;
	}
}

/*
	void fnATClear()
	Invoked by blur and mouseout events.
	Calls fnUnPack on the active element if it is an applies to list node.

*/
function fnATClear(){
	var oHasFocus=document.activeElement;
	if(oHasFocus.parentElement==oATData){
		fnUnPack(oHasFocus,false);
	}
}

/*
	void fnATData();
	Invoked by mouseover and focus events.
	Call fnUnPack on the source element if it is a hyperlink.
*/
function fnATData(){
	var oWorkItem=event.srcElement;
	if(oWorkItem.tagName=="A" || oWorkItem.tagName=="link"){
		fnUnPack(oWorkItem,false);
	}
}

/*
	void fnUnPack(IHTMLElement oNode, BOOL bWasActiveElement)
	Invoked by fnATData, fnATClear, or fnPostATInit
	Displays information stored in the PLATINFO attribute in the embedded platform and version table.
*/
function fnUnPack(oNode,bWasActiveElement){
	if((typeof(oATHelp)=='object') && (typeof(oPlatData)=='object')){
		if(oATHelp.style.display!="none" || bWasActiveElement){
			oATHelp.style.display="none";
			for(var i=0;i<oPlatData.rows.length;i++){
				var oRow=oPlatData.rows[i];
				if(oRow!=oATHelp){
					oRow.style.display="block";
				}
			}
		}
		// all values default to N/A
		// first two rows, and the last row, are for labels
		var aRows=oPlatData.rows;
		for(var i=2;i<aRows.length-1;i++){
			aRows(i).cells(1).innerText="N/A";
		}
		
		// Split the value of the PLATINFO attribute and display it in the appropriate row.
		var sPlatInfo=oNode.getAttribute("PLATINFO");
		if(sPlatInfo){
			var aATThrash=sPlatInfo.split(";");
			var oExp=new RegExp("\\s","g");
			for(var i=0;i<aATThrash.length;i++){
				var aPlatThrash=aATThrash[i].split("=");
				var sPlatName=aPlatThrash[0];
				if((sPlatName!="")&&(aPlatThrash[1]!="")){
					var vData=_gvRowData[sPlatName];
					if(vData && vData.row){
						var oRow=oPlatData.rows[vData.row];
						var sVer=aPlatThrash[1];
						sVer=sVer.replace(oExp,"");
						if(sVer=="NA"){
							sVer="N/A";
						}
						oRow.cells(1).innerText=sVer;
					}
				}
			}
		}
		
		// Clip the label if the length is greater than 13; this is for display purposes.
		var sLabelName=oNode.innerText;
		if(sLabelName.length>13){
			sLabelName=sLabelName.substring(0,13) + "...";
		}
		
		// Set the label and tooltip to the anchor caption.
		oPlatData.rows(0).cells(0).innerText=sLabelName;
		oPlatData.rows(0).cells(0).title=oNode.innerText;	
	
		/*
			Member comments are stored in a comment element as a sibling to the link.
			If the next sibling is a comment (.nextSibling for IE 5 or later, object.sourceIndex+1 for IE 4), then display that comment in the notes section.
		*/
		var oATComment=document.all[oNode.sourceIndex+1];
		var sATComment="";
		var oATC=oATTable.rows(oATTable.rows.length-1).cells(0);
		if(typeof(oATComment)=="object"){
			if((oATComment.tagName=="!")||(oATComment.tagName=="COMMENT")){
				sATComment=oATComment.outerHTML;
				var oExp=new RegExp("(<!--|-->)","g");
				sATComment=sATComment.replace(oExp,"");
			}
		}
		if(sATComment!=""){
			oATC.innerHTML=sATComment + "<BR>";
			oATC.innerHTML+=sGeneralComments + sStyleComments;
		}
		else{
			if((sGeneralComments=="")&&(sStyleComments=="")){
				oATC.innerHTML=sHelpText;
			}
			else{
				oATC.innerHTML=sGeneralComments + sStyleComments;
			}
		}
	}
}