ProgramWorkflowHandler.java

/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.web.taglib.fieldgen;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import org.openmrs.Program;
import org.openmrs.ProgramWorkflow;
import org.openmrs.api.ProgramWorkflowService;
import org.openmrs.api.context.Context;

public class ProgramWorkflowHandler extends AbstractFieldGenHandler implements FieldGenHandler {
	
	private String defaultUrl = "programWorkflow.field";
	
	public void run() {
		setUrl(defaultUrl);
		
		if (fieldGenTag != null) {
			String initialValue = "";
			checkEmptyVal((ProgramWorkflow) null);
			ProgramWorkflow pw = (ProgramWorkflow) this.fieldGenTag.getVal();
			if (pw != null)
				if (pw.getProgramWorkflowId() != null)
					initialValue = pw.getProgramWorkflowId().toString();
			String optionHeader = "";
			if (this.fieldGenTag.getParameterMap() != null) {
				optionHeader = (String) this.fieldGenTag.getParameterMap().get("optionHeader");
			}
			if (optionHeader == null)
				optionHeader = "";
			String programPrefix = "false";
			if (this.fieldGenTag.getParameterMap() != null) {
				programPrefix = "true".equalsIgnoreCase((String) (this.fieldGenTag.getParameterMap().get("programPrefix"))) ? "true"
				        : "false";
			}
			
			List<ProgramWorkflow> workflows = new ArrayList<ProgramWorkflow>();
			
			ProgramWorkflowService pws = Context.getProgramWorkflowService();
			List<Program> programs = pws.getAllPrograms();
			if (programs != null) {
				for (Program program : programs) {
					Set<ProgramWorkflow> currFlows = program.getWorkflows();
					if (currFlows != null)
						workflows.addAll(currFlows);
				}
			}
			
			setParameter("programPrefix", programPrefix);
			setParameter("initialValue", initialValue);
			setParameter("optionHeader", optionHeader);
			setParameter("programWorkflows", workflows);
		}
	}
}