org.openmrs.module.patientflags.web.ManageFlagsController.java Source code

Introduction

Here is the source code for org.openmrs.module.patientflags.web.ManageFlagsController.java

Source

/**
 * 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.module.patientflags.web;

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

import javax.servlet.http.HttpServletRequest;

import org.openmrs.api.context.Context;
import org.openmrs.module.patientflags.Flag;
import org.openmrs.module.patientflags.Tag;
import org.openmrs.module.patientflags.api.FlagService;
import org.openmrs.module.patientflags.filter.Filter;
import org.springframework.beans.propertyeditors.CustomCollectionEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.support.SessionStatus;
import org.springframework.web.servlet.ModelAndView;

/**
 * Controller that handles the management of Patient Flags via the webapp Called by http request
 * ".../module/patientflags/manageFlags.form"
 */
@Controller
@RequestMapping("/module/patientflags/manageFlags.form")
public class ManageFlagsController {

    //private Log log = LogFactory.getLog(this.getClass());

    @ModelAttribute("tags")
    public List<Tag> populateTags() {
        return Context.getService(FlagService.class).getAllTags();
    }

    @InitBinder
    public void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
        binder.registerCustomEditor(Set.class, "tags", new CustomCollectionEditor(Set.class) {

            @Override
            public Object convertElement(Object element) {
                return Context.getService(FlagService.class).getTag(Integer.valueOf((String) element));
            }
        });
    }

    /**
     * Displays a list of all Patient Flags
     * 
     * @return new ModelAndView
     */

    @RequestMapping(method = RequestMethod.GET)
    public ModelAndView showFlags() {
        ModelMap model = new ModelMap();
        List<Flag> flags = Context.getService(FlagService.class).getAllFlags();
        if (flags != null)
            model.addAttribute("flags", flags);

        // add the command object for the filter form
        model.addAttribute("filter", new Filter());

        return new ModelAndView("/module/patientflags/manageFlags", model);
    }

    /**
     * Handles a request to filter the results
     * 
     * @param filterTags
     * @param result
     * @param status
     * @return
     */
    @RequestMapping(method = RequestMethod.POST)
    public ModelAndView processFilter(@ModelAttribute("filter") Filter filter, BindingResult result,
            SessionStatus status) {
        ModelMap model = new ModelMap();
        List<Flag> flags = Context.getService(FlagService.class).getFlagsByFilter(filter);
        if (flags != null)
            model.addAttribute("flags", flags);

        // add the command object for the filter form
        model.addAttribute("filter", new Filter());

        return new ModelAndView("/module/patientflags/manageFlags", model);

    }
}