/**
* 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.controller.form;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.Vector;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.EncounterType;
import org.openmrs.FieldType;
import org.openmrs.Form;
import org.openmrs.FormField;
import org.openmrs.api.FormService;
import org.openmrs.api.context.Context;
import org.openmrs.propertyeditor.EncounterTypeEditor;
import org.openmrs.util.FormUtil;
import org.openmrs.web.WebConstants;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.validation.BindException;
import org.springframework.validation.Errors;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;
public class FormFormController extends SimpleFormController {
/** Logger for this class and subclasses */
protected final Log log = LogFactory.getLog(getClass());
protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
super.initBinder(request, binder);
// NumberFormat nf = NumberFormat.getInstance(new Locale("en_US"));
binder.registerCustomEditor(java.lang.Integer.class, new CustomNumberEditor(java.lang.Integer.class, true));
binder.registerCustomEditor(EncounterType.class, new EncounterTypeEditor());
}
/**
* The onSubmit function receives the form/command object that was modified by the input form
* and saves it to the db
*
* @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse, java.lang.Object,
* org.springframework.validation.BindException)
*/
protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj,
BindException errors) throws Exception {
HttpSession httpSession = request.getSession();
String view = getFormView();
if (Context.isAuthenticated()) {
Form form = (Form) obj;
MessageSourceAccessor msa = getMessageSourceAccessor();
String action = request.getParameter("action");
if (action == null) {
httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Form.not.saved");
} else {
if (action.equals(msa.getMessage("Form.save"))) {
try {
// retrieve xslt from request if it was uploaded
if (request instanceof MultipartHttpServletRequest) {
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
MultipartFile xsltFile = multipartRequest.getFile("xslt_file");
if (xsltFile != null && !xsltFile.isEmpty()) {
String xslt = IOUtils.toString(xsltFile.getInputStream());
form.setXslt(xslt);
}
}
// save form
Context.getFormService().saveForm(form);
httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Form.saved");
}
catch (Exception e) {
log.error("Error while saving form " + form.getFormId(), e);
errors.reject(e.getMessage());
httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Form.not.saved");
return showForm(request, response, errors);
}
} else if (action.equals(msa.getMessage("Form.delete"))) {
try {
Context.getFormService().purgeForm(form);
httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Form.deleted");
}
catch (Exception e) {
log.error("Error while deleting form " + form.getFormId(), e);
errors.reject(e.getMessage());
httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Form.cannot.delete");
return showForm(request, response, errors);
//return new ModelAndView(new RedirectView(getSuccessView()));
}
} else if (action.equals(msa.getMessage("Form.updateSortOrder"))) {
FormService fs = Context.getFormService();
TreeMap<Integer, TreeSet<FormField>> treeMap = FormUtil.getFormStructure(form);
for (Integer parentFormFieldId : treeMap.keySet()) {
float sortWeight = 0;
for (FormField formField : treeMap.get(parentFormFieldId)) {
formField.setSortWeight(sortWeight);
fs.saveFormField(formField);
sortWeight += 50;
}
}
} else {
try {
Context.getFormService().duplicateForm(form);
httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Form.duplicated");
}
catch (Exception e) {
log.error("Error while duplicating form " + form.getFormId(), e);
errors.reject(e.getMessage());
httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Form.cannot.duplicate");
return showForm(request, response, errors);
}
}
view = getSuccessView();
}
}
return new ModelAndView(new RedirectView(view));
}
/**
* This is called prior to displaying a form for the first time. It tells Spring the
* form/command object to load into the request
*
* @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest)
*/
protected Object formBackingObject(HttpServletRequest request) throws ServletException {
Form form = null;
if (Context.isAuthenticated()) {
FormService fs = Context.getFormService();
String formId = request.getParameter("formId");
if (formId != null)
try {
form = fs.getForm(Integer.valueOf(formId));
}
catch (NumberFormatException e) {
;
} //If formId has no readable value defaults to the case where form==null
}
if (form == null)
form = new Form();
return form;
}
protected Map<String, Object> referenceData(HttpServletRequest request, Object obj, Errors errors) throws Exception {
Map<String, Object> map = new HashMap<String, Object>();
List<FieldType> fieldTypes = new Vector<FieldType>();
List<EncounterType> encTypes = new Vector<EncounterType>();
if (Context.isAuthenticated()) {
fieldTypes = Context.getFormService().getAllFieldTypes();
encTypes = Context.getEncounterService().getAllEncounterTypes();
}
map.put("fieldTypes", fieldTypes);
map.put("encounterTypes", encTypes);
return map;
}
}