// Adobe
// Copyright© 1998-2008 Adobe Systems Incorporated. All rights reserved.
// RoboHelp_CSH.js
// The Helper function for WebHelp Context Sensitive Help

//     Syntax:
//     function RH_ShowHelp(hParent, a_pszHelpFile, uCommand, dwData)
//
//     hParent
//          Reserved - Use 0
//   
//     pszHelpFile
//          WebHelp: 
//               Path to help system start page ("http://www.myurl.com/help/help.htm" or "/help/help.htm")
//               For custom windows (defined in Help project), add ">" followed by the window name ("/help/help.htm>mywin")
//
//          WebHelp Enterprise: 
//               Path to RoboEngine server ("http://RoboEngine/roboapi.asp")
//               If automatic merging is turned off in RoboEngine Configuration Manager, specify the project name in the URL ("http://RoboEngine/roboapi.asp?project=myproject")
//               For custom windows (defined in Help project), add ">" followed by the window name ("http://RoboEngine/roboapi.asp>mywindow")
//
//     uCommand
//          Command to display help. One of the following:
//                    HH_HELP_CONTEXT     // Displays the topic associated with the Map ID sent in dwData
//											if 0, then default topic is displayed.				
//               The following display the default topic and the Search, Index, or TOC pane. 
//               Note: The pane displayed in WebHelp Enterprise will always be the window's default pane.
//                    HH_DISPLAY_SEARCH 
//                    HH_DISPLAY_INDEX
//                    HH_DISPLAY_TOC
//
//     dwData
//          Map ID associated with the topic to open (if using HH_HELP_CONTEXT), otherwise 0
//
//     Examples:
//     <p>Click for <A HREF='javascript:RH_ShowHelp(0, "help/help.htm", 0, 10)'>Help</A> (map number 10)</p>
//     <p>Click for <A HREF='javascript:RH_ShowHelp(0, "help/help.htm>mywindow", 0, 100)'>Help in custom window (map number 100)</A></p>


var gbNav6 = false;
var gbIE5 = false;

var gAgent = navigator.userAgent.toLowerCase();
var gbMac = (gAgent.indexOf("mac") != -1);
var gbSunOS = (gAgent.indexOf("sunos") != -1);
var gbOpera = (gAgent.indexOf("opera") != -1);

var HH_DISPLAY_TOPIC = 0;
var HH_DISPLAY_TOC = 1;
var HH_DISPLAY_INDEX = 2;
var HH_DISPLAY_SEARCH = 3;
var HH_HELP_CONTEXT = 15;

var gVersion = navigator.appVersion.toLowerCase();

var gnVerMajor = parseInt(gVersion);
var gnVerMinor = parseFloat(gVersion);

if (navigator.appName.indexOf("Microsoft") != -1) {
    var nPos = gAgent.indexOf("msie");
    if (nPos != -1) {
        var nVersion = parseFloat(gAgent.substring(nPos + 5));
        if (nVersion >= 5)
            gbIE5 = true;
    }
}

if (gnVerMajor >= 4) {
    if (navigator.appName == "Netscape") {
        if (gnVerMajor >= 5)
            gbNav6 = true;
    }
}

function RH_ShowHelp(hParent, a_pszHelpFile, uCommand, dwData) {
    // this function only support WebHelp
    var strHelpPath = a_pszHelpFile;
    var strWnd = "";
    var nPos = a_pszHelpFile.indexOf(">");
    if (nPos != -1) {
        strHelpPath = a_pszHelpFile.substring(0, nPos);
        strWnd = a_pszHelpFile.substring(nPos + 1);
    }
    if (isServerBased(strHelpPath))
        RH_ShowWebHelp_Server(hParent, strHelpPath, strWnd, uCommand, dwData);
    else
        RH_ShowWebHelp(hParent, strHelpPath, strWnd, uCommand, dwData);
}

function RH_OpenHelpTopic(a_pszHelpMainPage, a_pszRelTopicUrl) {
    // this function only support WebHelp
    var strHelpPath = a_pszHelpMainPage;
    var strWnd = "";
    var nPos = a_pszHelpMainPage.indexOf(">");
    if (nPos != -1) {
        strHelpPath = a_pszHelpMainPage.substring(0, nPos);
        strWnd = a_pszHelpMainPage.substring(nPos + 1);
    }

    var a_pszHelpFile = "";
    a_pszHelpFile = strHelpPath + "#<url=" + a_pszRelTopicUrl;
    if (strWnd)
        a_pszHelpFile += ">>wnd=" + strWnd;

    if (a_pszHelpFile) {
        if (gbIE5 || gbNav6)
            loadData(a_pszHelpFile);
        else {
            var sParam = "left=" + screen.width + ",top=" + screen.height + ",width=100,height=100";
            window.open(a_pszHelpFile, "__webCshStub", sParam);
        }
    }

}


function RH_ShowWebHelp_Server(hParent, strHelpPath, strWnd, uCommand, dwData) {
    // hParent never used.
    ShowWebHelp_Server(strHelpPath, strWnd, uCommand, dwData);
}

function RH_ShowWebHelp(hParent, strHelpPath, strWnd, uCommand, dwData) {
    // hParent never used.
    ShowWebHelp(strHelpPath, strWnd, uCommand, dwData);
}


function ShowWebHelp_Server(strHelpPath, strWnd, uCommand, nMapId) {
    var a_pszHelpFile = "";
    if (uCommand == HH_HELP_CONTEXT) {
        if (strHelpPath.indexOf("?") == -1)
            a_pszHelpFile = strHelpPath + "?ctxid=" + nMapId;
        else
            a_pszHelpFile = strHelpPath + "&ctxid=" + nMapId;
    }
    else {
        if (strHelpPath.indexOf("?") == -1)
            a_pszHelpFile = strHelpPath + "?ctxid=0";
        else
            a_pszHelpFile = strHelpPath + "&ctxid=0";
    }

    if (strWnd)
        a_pszHelpFile += ">" + strWnd;

    if (gbIE5 || gbNav6) {
        a_pszHelpFile += "&cmd=newwnd&rtype=iefrm";
        loadData(a_pszHelpFile);
    }
    else {
        var sParam = "left=" + screen.width + ",top=" + screen.height + ",width=100,height=100";
        window.open(a_pszHelpFile, "__webCshStub", sParam);
    }
}


function ShowWebHelp(strHelpPath, strWnd, uCommand, nMapId) {
    var a_pszHelpFile = "";
    if (uCommand == HH_DISPLAY_TOPIC) {
        a_pszHelpFile = strHelpPath + "#<id=0";
    }
    if (uCommand == HH_HELP_CONTEXT) {
        a_pszHelpFile = strHelpPath + "#<id=" + nMapId;
    }
    else if (uCommand == HH_DISPLAY_INDEX) {
        a_pszHelpFile = strHelpPath + "#<cmd=idx";
    }
    else if (uCommand == HH_DISPLAY_SEARCH) {
        a_pszHelpFile = strHelpPath + "#<cmd=fts";
    }
    else if (uCommand == HH_DISPLAY_TOC) {
        a_pszHelpFile = strHelpPath + "#<cmd=toc";
    }
    if (strWnd)
        a_pszHelpFile += ">>wnd=" + strWnd;

    if (a_pszHelpFile) {
        if (gbIE5 || gbNav6)
            loadData(a_pszHelpFile);
        else {
            var sParam = "left=" + screen.width + ",top=" + screen.height + ",width=100,height=100";
            window.open(a_pszHelpFile, "__webCshStub", sParam);
        }
    }
}

function isServerBased(a_pszHelpFile) {
    if (a_pszHelpFile.length > 0) {
        var nPos = a_pszHelpFile.lastIndexOf('.');
        if (nPos != -1 && a_pszHelpFile.length >= nPos + 4) {
            var sExt = a_pszHelpFile.substring(nPos, nPos + 4);
            if (sExt.toLowerCase() == ".htm") {
                return false;
            }
        }
    }
    return true;
}

function getElement(sID) {
    if (document.getElementById)
        return document.getElementById(sID);
    else if (document.all)
        return document.all(sID);
    return null;
}

function loadData(sFileName) {
    if (!getElement("dataDiv")) {
        if (!insertDataDiv()) {
            gsFileName = sFileName;
            return;
        }
    }
    var sHTML = "";
    if (gbMac)
        sHTML += "<iframe name=\"__WebHelpCshStub\" src=\"" + sFileName + "\"></iframe>";
    else
        sHTML += "<iframe name=\"__WebHelpCshStub\" style=\"visibility:hidden;width:0;height:0\" src=\"" + sFileName + "\"></iframe>";

    var oDivCon = getElement("dataDiv");
    if (oDivCon) {
        if (gbNav6) {
            if (oDivCon.getElementsByTagName && oDivCon.getElementsByTagName("iFrame").length > 0) {
                oDivCon.getElementsByTagName("iFrame")[0].src = sFileName;
            }
            else
                oDivCon.innerHTML = sHTML;
        }
        else
            oDivCon.innerHTML = sHTML;
    }
}

function insertDataDiv() {
    var sHTML = "";
    if (gbMac)
        sHTML += "<div id=dataDiv style=\"display:none;\"></div>";
    else
        sHTML += "<div id=dataDiv style=\"visibility:hidden\"></div>";

    var obj = document.body;
    if (gbIE5) {
        obj.insertAdjacentHTML("beforeEnd", sHTML);
    }
    else if (gbNav6) {
        var r = obj.ownerDocument.createRange();
        r.setStartBefore(obj);
        var parsedHTML = r.createContextualFragment(sHTML);
        obj.appendChild(parsedHTML);
    }
    return true;
}