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Filename : workflowStateCheck.js
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/************************************************************* 
Javascript code for performing worfklow page checks.
Workflow start pages are cached by the browser and so a new
page needs to be requested after a workflow completes. Workflow
continue pages need to redirect to the sorry page when a 
workflow completes.

Note: This file needs the cookieFuncs.js file for the cookieValue
function.

Author: P. Srivastava
Modification Date: 9/25/03
**************************************************************/

/***************************************************************
This function is called by a start or continue page's onLoad event.
The workflowPageType refers to the type of page (i.e. start or continue),
while the workflowViolationUrl is used for redirecting to a sorry
page for continue pages if the workflow has completed.

The method supports multiple workflows per page by using a comman
delimited list for each workflow attribute. 
****************************************************************/
function checkWorkflowState(workflowNames, workflowStates, workflowViolationUrls)
{
    workflowNamesList = workflowNames.split(",");
    workflowStatesList = workflowStates.split(",");
    workflowViolationUrlList = workflowViolationUrls.split(",");

	for (var i=0; i < workflowNamesList.length; i++)
	{
		workflowName = workflowNamesList[i];
		workflowPageType = workflowStatesList[i];
		workflowViolationUrl = workflowViolationUrlList[i];
		
	    var wfsCookieValue = cookieValue("wfs", document.cookie);                   
	                                                                                
	    if ((wfsCookieValue != null) && (workflowName != null))                     
	    {                                                                           
	        /* Get the workflow state to check if the workflow has completed. */
	        var tempName = workflowName.toLowerCase();                          
	                                                                            
	        /* Look for the workflowName entry */                               
	        var startIndex = wfsCookieValue.indexOf(tempName + "=");            
	        var currState = null;                                               
	        if (startIndex >= 0)                                                
	        {                                                                   
	            var endIndex = wfsCookieValue.indexOf("=", startIndex) + 1; 
	            currState = wfsCookieValue.substr(endIndex, 4);             
	        }                                                                   
	                                                                            
	        /* Check if workflow has completed. */                              
	        if (currState == "done")                                            
	        {                                                                   
	            /* Workflow has completed, so if a start page is being      
	            loaded, ensure that a new page is requested. */             
	            if (workflowPageType == "start")                            
	            {                                                           
	                location = document.URL;                            
	            }                                                           
	                                                                        
	            /* For continue pages, open the sorry page. */              
	            if (workflowPageType == "continue")                         
	            {                                                           
	                location = workflowViolationUrl;            
	            }                                                           
	        }                                                                   
	    }
	}
}