deeptree.htc

课设做的图书管理系统,主要功能是管理图书的租借情况.里面有功能说明.

                }
                else
                {
                    sQuery = sQuery.length > 0 ? sQuery : "";
                }
                sHash = sHash.length > 0 ? "#" + sHash : "";
            }

            var sLocation =  sHref + sQuery + sHash;

            if( objA.target=="_blank" )
            {
                window.open( sLocation);
            }
            else
            {
		window.status = sLocation;
		top.fraRightFrame.location = sLocation;
            }
        }
    }
}
//-----------------------------------------------
// LoadConfig()
//-----------------------------------------------

function Config()
{
    var strCfgXMLSrc = "";
    var sPath = "";
    strCfgXMLSrc = element.CfgXMLSrc;
    if (strCfgXMLSrc != "")
    {
        var objXMLDoc = new ActiveXObject("Microsoft.XMLDOM");
        objXMLDoc.async = false;
        objXMLDoc.load( strCfgXMLSrc );

        if (objXMLDoc.xml == "")
		{
			var objCnfXMLHttp = new ActiveXObject("MSXML2.XMLHTTP");
			objCnfXMLHttp.open( "GET", strCfgXMLSrc, false );
			objCnfXMLHttp.send();
			
			objXMLDoc.loadXML( objCnfXMLHttp.responseXml.xml );
		}
        
        if (objXMLDoc.xml != "")
        {
            var oTopXmlSrc = objXMLDoc.documentElement.selectSingleNode("//TopXMLSrc");
            if ( null != oTopXmlSrc )
            {
                this.sTopXmlSrc = String( oTopXmlSrc.text );
            }
            else
            {
                // Error: Invalid TopXMLSrc in Config.xml
            }

            var oTarget = objXMLDoc.documentElement.selectSingleNode("//ContentTarget");
            if ( null != oTarget )
            {
                this.sTarget = oTarget.text;
            }
            else
            {
                //Error: Invalid Target in Config.xml
            }
        }
    }
}

//-----------------------------------------------
// LoadChildren(objLI)
//-----------------------------------------------

function LoadChildren( objLI , oSync )
{
    var strXMLSrc = "";
    var strHTML = "";
    var objSPAN;
    var objUL;

    objUL = GetHtmlElement(objLI,"DIV","container");
    if (objUL != null)
    {
		objSPAN = GetHtmlElement(objLI,"SPAN","label")
	    if ( objUL.children.length == 0 ) 
        {
            objUL.innerHTML = m_sTempNodeStart + m_sLoadingText + m_sTempNodeEnd;
            
            if (objSPAN != null)
            {
                strXMLSrc += strRootPath + objSPAN.xmlsrc;
                GetXML( strXMLSrc , objUL , "shown" , oSync );
				// Indicate that an asyncronous load is taking place
				return true;
            }
            
        }
        else if( null != oSync )
        {
            SyncAsync( oSync );
        }
    }
    return false;
}

//-------------------------------------------------------------------------------------------------
//                                     GET FUNCTIONS
//-------------------------------------------------------------------------------------------------

//-----------------------------------------------
// GetHtmlElement(objParent,strChildTagName)
//-----------------------------------------------

function GetHtmlElement(objParent,strChildTagName,strType)
  {
  var i = 0;
  var objRetVal = null;
  var oChildren = null;
  if( null != objParent )
  {
    oChildren = objParent.children;
  }
  for (i = 0; oChildren != null && i < oChildren.length; i++)
    {
    if (oChildren[i].tagName.toUpperCase() == strChildTagName.toUpperCase() && ( oChildren[i].type == strType || strType == null ) )
      {
      objRetVal = oChildren[i];
      break;
      }
    }
  return objRetVal;
  }

//-----------------------------------------------
// GetNextSibling(objLI)
//-----------------------------------------------

function GetNextSibling(objLI)
{
	var i = 0;
	var arySiblings;
	var objRetVal = null;

	arySiblings = GetSiblings(objLI);

	if (arySiblings != null)
	{
		for (i = 0; i < arySiblings.length; i++)
		{
			if ((arySiblings[i] == objLI) && (i < (arySiblings.length - 1)))
			{
				objRetVal = arySiblings[i+1];
				break;
			}
		}
	}
	
	return objRetVal;
}

//-----------------------------------------------
// GetPreviousSibling(objLI)
//-----------------------------------------------

function GetPreviousSibling(objLI)
{
	var j = 0;
	var arySiblings;
	var objRetVal = null;

	arySiblings = GetSiblings(objLI);

	if (arySiblings != null)
	{
		for (j = 0; j < arySiblings.length; j++)
		{
			if (arySiblings[j] == objLI && j > 0)
			{
				objRetVal = arySiblings[j-1];
				break;
			}
		}
	}
	
	return objRetVal;
}

//-----------------------------------------------
// GetFirstChild(objLI)
//-----------------------------------------------

function GetFirstChild(objLI)
{
	var aryChildren;
	var objRetVal = null;

	aryChildren = GetChildren(objLI);
	objRetVal = aryChildren[0];

	return objRetVal;
}

//-----------------------------------------------
// GetLastChild(objLI)
//-----------------------------------------------

function GetLastChild(objLI)
{
	var aryChildren;
	var objRetVal = null;

	aryChildren = GetChildren(objLI);
	objRetVal = aryChildren[aryChildren.length-1];

	return objRetVal;
}

//-----------------------------------------------
// GetParent(objLI)
//-----------------------------------------------

function GetParent(objLI)
{
	var objRetVal = null;

	if( objLI != null && objLI.parentElement != null )
	{
		objRetVal = objLI.parentElement.parentElement;
	}

	if ( null != objRetVal && objRetVal.type != "parent" )
	{
		objRetVal = null;
	}
	
	return objRetVal;
}

//-----------------------------------------------
// GetSiblings(objLI)
//-----------------------------------------------

function GetSiblings(objLI)
{
	var objUL;
	var aryRetVal = null;

	objUL = objLI.parentElement;

	if ( objUL != null && objUL.type == "container" )
	{
		aryRetVal = objUL.children
	}

	return aryRetVal;
}

//-----------------------------------------------
// GetChildren(objLI)
//-----------------------------------------------

function GetChildren(objLI)
{
	var objUL;
	var aryRetVal =  null;

	objUL = GetHtmlElement( objLI , "DIV" , "container" );
	if( null != objUL )
	{
		aryRetVal = objUL.children;
	}

	return aryRetVal;
}




//-----------------------------------------------
// IsChild(objLI_Child, objLI_Parent)
//-----------------------------------------------

  function IsChild(objLI_Child, objLI_Parent)
    {
    var objLI_Temp;
    var blnRetVal = false;
        
    objLI_Temp = GetParent(objLI_Child);
        
    while (objLI_Temp != null)
      {
      if (objLI_Temp == objLI_Parent)
        {
        blnRetVal = true;
        break;
        }
      objLI_Temp = GetParent(objLI_Temp);
      }
    return blnRetVal;
    }


//-------------------------------------------------------------------------------------------------
//                                     ASYNCRONOUS LOAD HANDLERS
//-------------------------------------------------------------------------------------------------


function fnAllocCall()
{
    var iReturn = null;
    for (var i = 0; i < m_iMaxCalls && m_aoCalls[m_iLastCall] != null; i++)
    {
        m_iLastCall = (m_iLastCall + 1) % m_iMaxCalls;
    }
    
    if (i < m_iMaxCalls)
    {
        iReturn = m_iLastCall;
    }
    return iReturn;
}

function fnDeAllocCall( iCallIdx )
{
    m_aoCalls[iCallIdx] = null;
}



function CallObject( oXml , oEl , sElClass , oSync, sUrl )
{
    this.oXml = oXml;
    this.oSync = oSync;
    this.oEl = oEl;
    this.sElClass = sElClass;
    this.oUrl = sUrl;
}

function fnLoadComplete( iIndex )
{
    
    if( iIndex == null ) return;
    var oCall = m_aoCalls[ iIndex ];
    try
    {
        var iReadyState = oCall.oXml.readyState;
    }
    catch(e)
    {
        return;
    }
    
    if(  iReadyState != 4 ) return;
    
    //gzip quick fix
    if (oCall != null && oCall.oXml.xml == "")
    {
		var objXMLHttp = new ActiveXObject("MSXML2.XMLHTTP");
		//alert(oCall.oUrl)
		try{
			objXMLHttp.open( "GET", oCall.oUrl, false );
			objXMLHttp.send();
		}
		catch(e){
			//window.status = oCall.oUrl+" Not find"
		}
		
		oCall.oXml.loadXML( objXMLHttp.responseXml.xml );
    }
    
    if( oCall != null && oCall.oXml.xml != "" )
    {
        aryXMLNodes = oCall.oXml.documentElement.selectNodes("//TreeRef[@NodeXmlSrc]");
		for (i = 0; i < aryXMLNodes.length; i++)
        {
            var objXMLDoc_Child = new ActiveXObject("Microsoft.XMLDOM");
            objXMLDoc_Child.async = false;
            objXMLDoc_Child.load(strRootPath + aryXMLNodes[i].getAttribute("NodeXmlSrc"));

            //gzip fix
            if (objXMLDoc_Child.documentElement == null)
            {
				var objXMLHttp = new ActiveXObject("MSXML2.XMLHTTP");
				objXMLHttp.open( "GET", strRootPath + aryXMLNodes[i].getAttribute("NodeXmlSrc"), false );
				objXMLHttp.send();
				
				objXMLDoc_Child.loadXML( objXMLHttp.responseXml.xml );
            }
            
            if( null != objXMLDoc_Child.documentElement )
            {
                aryXMLNodes[i].parentNode.replaceChild(objXMLDoc_Child.documentElement, aryXMLNodes[i]);
            }
            objXMLDoc_Child = null;
        }
        
        bFixLoad = oCall.oEl.contains( objLI_Current );
        
        if (objXSLDoc.xml != "")
        {
            var sHtml = oCall.oXml.transformNode( objXSLDoc );
        } 

        if ( sHtml != null && sHtml != "" )
        {
            oCall.oEl.innerHTML = sHtml;
            oCall.oEl.className = oCall.sElClass;
        }
        else
        {
            oCall.oEl.innerHTML = m_sTempNodeStart + m_sUnavailableText + m_sTempNodeEnd;
        }
        
        if( bFixLoad )
        {
	    SelectNode( oCall.oEl.children[0] );
        }
        
        if( iIndex == m_iMasterIdx && m_bSyncFailed == true )
        {
            Sync();
        }
        
        if( oCall.oSync != null )
        {
            SyncAsync( oCall.oSync );
        }
        if( null != objLI_Current && objLI_Current.selectChild ) MoveNext();
        fnDeAllocCall( iIndex );
    }
    else
    {
        oCall.oEl.innerHTML = m_sTempNodeStart + m_sUnavailableText + m_sTempNodeEnd;
    }
    return;

}

</script>

</public:component>