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/*
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 * Generate a workflow query string.  this assumes that search fields meet the
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 * following criteria in the web page:
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 * -- search input fields have an ID that starts with sf_ 
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 * -- the search input field name is the xpath of the value to search
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 * -- if there is a search mode dropdown for an input field in the form, it's ID 
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 *    should use the same convention as the input field, but start with sm_
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 *    (i.e. the search mode input for the sf_firstname input would be sm_firstname) 
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 * -- the value 
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 */
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function setWorkflowQueryFormField(formId) {
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	var queryString = ""; 
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	queryString += "<pathquery version='1.2'>";
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	queryString += "<returndoctype>property</returndoctype>";
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	queryString += "<returndoctype>-//UC Berkeley//DTD MoML 1//EN</returndoctype>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'user\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'description\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'startTime\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'workflowLSID\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'tpcStatus\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'workflowName\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'pdfReport\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'htmlReport\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'karLSID\']/@value</returnfield>";
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	queryString += "<returnfield>/property[@name=\'WorkflowRun\']/property[@name=\'ReportInstance_pdf\']/@value</returnfield>";
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	queryString += "<querygroup operator='INTERSECT'>";	
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	var elementList = document.getElementById(formId).elements;
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	for(var i = 0; i < elementList.length; i++) {
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	//alert("form element: " + elementList[i].id);
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		if((elementList[i].id.indexOf("sf-") == 0) && (elementList[i].value != '')) {					
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			queryString += getQueryTerm(elementList[i]);
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		}
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	} 
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	queryString += "</querygroup>";	
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	queryString += "</pathquery>";
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	//alert(queryString);
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	var queryField = document.getElementById("query");
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	queryField.value = queryString;
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}
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/*
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 * Generate individual query terms for all the search input fields in a search 
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 * form.  There must be a case for each search field handle explicitly below.  
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 * This assumes:
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 * -- search input fields have an ID that starts with sf- 
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 * -- if there is a search mode dropdown for an input field in the form, it's ID 
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 *    should use the same convention as the input field, but start with sm-
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 *    (i.e. the search mode input for the sf-firstname input would be sm-firstname) 
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 */
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function getQueryTerm(sfElement) {
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	var baseId = sfElement.id.substring(3, sfElement.id.length);		
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	var searchMode = "contains";
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	var selector = document.getElementById("sm-" + baseId);
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	if (selector != null) {
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		searchMode = selector.value;
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	}
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	var pathExpr = '';
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	if (sfElement.name == 'name') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>entity/@name</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'keyword') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/@value</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'creator') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'description') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'date-created') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'date-executed') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'workflow-id') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'workflow-lsid') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>workflowLSID</value>";
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		pathExpr += "<pathexpr>property/property/@name</pathexpr>";
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		pathExpr += "</queryterm>"; 
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		pathExpr += "<queryterm casesensitive='false' searchmode='starts-with'>";
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		var workflowId = sfElement.value;
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		var lastColonPos = workflowId.lastIndexOf(':');
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		var truncWorkflowId = workflowId.substring(0, lastColonPos);
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		pathExpr += "<value>" + truncWorkflowId + "</value>";
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		pathExpr += "<pathexpr>property/property/@value</pathexpr>";
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		pathExpr += "</queryterm>";		
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	} else if (sfElement.name == 'workflow-run-id') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} else if (sfElement.name == 'status') {
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		pathExpr += "<queryterm casesensitive='false' searchmode='" + searchMode + "'>";
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		pathExpr += "<value>" + sfElement.value + "</value>";
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		pathExpr += "<pathexpr>property/property/configure</pathexpr>";
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		pathExpr += "</queryterm>"; 		
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	} 
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	//alert("returning path expression: " + pathExpr);
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	return pathExpr;
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}
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