IBM Workplace Designerを使用して文書の変更履歴をトラッキングする

function updateChangeHistory(currentDoc){
    //get the database to be used when looking up the original document
	var db=currentDoc.getDatabase();
	//get the current user’s common name
	var theUser=@Name("[CN]",@UserName());		
    //initialize theTimeStamp using @Now() @Command	
	var theTimeStamp=@Now();
	//get the form name used by the current document		
	var theForm=currentDoc.getForm();			
	
	//check to see if this is a new document
	if (currentDoc.isNewDocument()){	
		//if it is, record the creation	
		theDescription="Created";
		//insert the event into the change history log
		insertHistory(theUser,theTimeStamp,theDescription,currentDoc);	
	}else{
		//get the current documents ID
		docID=currentDoc.getId();
		//since this is not a new document get a copy of the original document prior to any changes			
		theOrigDoc=db.getDocumentById(docID); 	

	switch (theForm) {
		//if the form is the project form perform the following data checks
		case "ProjectEdit" :			
			compareStringValues("/project/name","Project Name",currentDoc,theOrigDoc,theUser,theTimeStamp,true);
			compareStringValues("/project/currentStatus","Project Status",currentDoc,theOrigDoc,theUser,theTimeStamp,true);
			compareStringValues("/project/manager","Project Manager",currentDoc,theOrigDoc,theUser,theTimeStamp,true);
			compareDoubleValues("/project/budget","Project Budget",currentDoc,theOrigDoc,theUser,theTimeStamp);
			compareStringValues("/project/statusUpdate","The Status Update was revised",currentDoc,theOrigDoc,
			theUser,theTimeStamp,false);  
			
			break;
		
		//if the form is the issue form perform the following data checks	
		case "IssueEdit" :				
			compareStringValues("/issue/type","Issue Type",currentDoc,theOrigDoc,theUser,theTimeStamp);
			compareStringValues("/issue/owner","Issue Owner",currentDoc,theOrigDoc,theUser,theTimeStamp);
			compareStringValues("/issue/priority","Issue Priority",currentDoc,theOrigDoc,theUser,theTimeStamp);
		
			break;
			
		default :
			//log the error
			print("<<<<<error! no change history case statement for form name="+theForm);  
		}
	}
}

function compareStringValues(theField,theFieldDesc,currentDoc,theOrigDoc,theUser,theTimeStamp,buildDescFlag){
	//initialize theDescription string variable to hold our change description
	var theDescription="";						

	if (currentDoc.getStringValue(theField)!=theOrigDoc.getStringValue(theField)){
		//build the description
		if (buildDescFlag){		
			theDescription=theFieldDesc + " changed from "+ theOrigDoc.getStringValue(theField)
			_+ " to " + currentDoc.getStringValue(theField);
		//use the passed in description. pass false in when data is too long to track. 
		}else{					
			theDescription=theFieldDesc;
		}
		insertHistory(theUser,theTimeStamp,theDescription,currentDoc);
	}
}

function compareDoubleValues(theField,theFieldDesc,currentDoc,theOrigDoc,theUser,theTimeStamp){
	//initialize theDescription string variable to hold our change description
	var theDescription="";	

	if (currentDoc.getDoubleValue(theField)!=theOrigDoc.getDoubleValue(theField)){
		theDescription=theFieldDesc + " changed from "+ I18n.toString(theOrigDoc.getDoubleValue(theField))
		_+ " to " + I18n.toString(currentDoc.getDoubleValue(theField));
		insertHistory(theUser,theTimeStamp,theDescription,currentDoc);
	}
}

function insertHistory(theUser,theTimeStamp,theDescription,currentDoc){
	//create a new DOMElement object for our history
	var history = new DOMElement("changeHistory");			

	//set the user element
	history.setStringValue("userName",theUser);
	//set the timeStamp				
	history.setDateValue("timeStamp",theTimeStamp);
	//set the description of the change			
	history.setStringValue("description",theDescription);		
	
//Here is where we add the history object to our current document.  

	currentDoc.getRootElement().addContent(1,history);	
	print("<<<<adding content history");
}