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 /*
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  *   '$RCSfile$'
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  *     Purpose: Basic funtions to support searching workflows
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  *   Copyright: 2009 Regents of the University of California and the
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  *               National Center for Ecological Analysis and Synthesis
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  *     Authors: Michael Daigle
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  *
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  *    '$Author: leinfelder $'
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  *      '$Date: 2008-06-17 13:16:32 -0700 (Tue, 17 Jun 2008) $'
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  *  '$Revision: 4006 $'
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  *
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  * This program is free software; you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
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  * the Free Software Foundation; either version 2 of the License, or
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  * (at your option) any later version.
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  *
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  * This program is distributed in the hope that it will be useful,
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  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  * GNU General Public License for more details.
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  *
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  * You should have received a copy of the GNU General Public License
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  * along with this program; if not, write to the Free Software
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  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */ 
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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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 * -- 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 setWorkflowQueryFormField(formId) {
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	var queryString = ""; 
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	queryString += "<pathquery version='1.2'>";
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	queryString += "<returndoctype>entity</returndoctype>";
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	queryString += "<returndoctype>-//UC Berkeley//DTD MoML 1//EN</returndoctype>";
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	queryString += "<returnfield>/entity/@name</returnfield>";
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	queryString += "<returnfield>/entity/property[@name=\'KeplerDocumentation\']/property[@name=\'author\']/configure</returnfield>";
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	queryString += "<returnfield>/entity/property[@name=\'KeplerDocumentation\']/property[@name=\'description\']/configure</returnfield>";
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	queryString += "<returnfield>/entity/property[@name=\'KeplerDocumentation\']/property[@name=\'createDate\']/configure</returnfield>";
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	queryString += "<returnfield>/entity/property[@name=\'KeplerDocumentation\']/property[@name=\'workflowId\']/configure</returnfield>";
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	queryString += "<returnfield>/entity/property[@name=\'karLSID\']/@value</returnfield>";				
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	queryString += "<returnfield>/entity/property[@name=\'entityId\']/@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>entityId</value>";
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		pathExpr += "<pathexpr>/entity/property/@name</pathexpr>";
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		pathExpr += "</queryterm>"; 
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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/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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