org.freemedsoftware.gwt.client.widget.CustomMulltiSelectListBox.java Source code

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Here is the source code for org.freemedsoftware.gwt.client.widget.CustomMulltiSelectListBox.java

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/*
 * $Id$
 *
 * Authors:
 *      Jeff Buchbinder <jeff@freemedsoftware.org>
 *
 * FreeMED Electronic Medical Record and Practice Management System
 * Copyright (C) 1999-2012 FreeMED Software Foundation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.freemedsoftware.gwt.client.widget;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;

import org.freemedsoftware.gwt.client.HashSetter;
import org.freemedsoftware.gwt.client.JsonUtil;
import org.freemedsoftware.gwt.client.Util;
import org.freemedsoftware.gwt.client.Util.ProgramMode;
import org.freemedsoftware.gwt.client.WidgetInterface;

import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.URL;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.user.client.ui.VerticalPanel;

public class CustomMulltiSelectListBox extends WidgetInterface implements HashSetter {
    protected String hashMapping;
    protected CustomListBox multiLBox;
    protected String module = "";
    protected VerticalPanel container = null;
    protected String selVal;

    public CustomMulltiSelectListBox(String mod, boolean isMulti) {
        module = mod;
        init(isMulti);
    }

    private void init(boolean isMulti) {
        final VerticalPanel v = new VerticalPanel();
        initWidget(v);

        container = new VerticalPanel();
        v.add(container);

        // Add picklist for this ...
        if (isMulti)
            multiLBox = new CustomListBox(true);
        else
            multiLBox = new CustomListBox(false);
        v.add(multiLBox);
        populateMultiList("");
    }

    public void populateMultiList(String sval) {
        selVal = sval;
        if (Util.getProgramMode() == ProgramMode.STUBBED) {

        } else if (Util.getProgramMode() == ProgramMode.JSONRPC) {
            String[] params = { module };
            RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(Util.getJsonRequest(
                    "org.freemedsoftware.api.ModuleInterface.ModuleSupportPicklistMethod", params)));
            try {
                builder.sendRequest(null, new RequestCallback() {
                    public void onError(com.google.gwt.http.client.Request request, Throwable ex) {
                    }

                    @SuppressWarnings("unchecked")
                    public void onResponseReceived(com.google.gwt.http.client.Request request,
                            com.google.gwt.http.client.Response response) {
                        if (Util.checkValidSessionResponse(response.getText())) {
                            if (200 == response.getStatusCode()) {
                                HashMap<String, String> result = (HashMap<String, String>) JsonUtil.shoehornJson(
                                        JSONParser.parseStrict(response.getText()), "HashMap<String,String>");
                                if (result != null) {
                                    multiLBox.clear();
                                    Set<String> keys = result.keySet();
                                    Iterator<String> iter = keys.iterator();

                                    while (iter.hasNext()) {

                                        final String key = (String) iter.next();
                                        final String val = (String) result.get(key);
                                        JsonUtil.debug(val);
                                        multiLBox.addItem(val, key);
                                        // addKeyValuePair(items, val, key);
                                    }
                                    if (!(selVal == null || selVal.equals("")))
                                        setValue();
                                    // cb.onSuggestionsReady(r,
                                    // new SuggestOracle.Response(items));
                                } else {
                                } // if no result then set value to 0
                                  // setValue(0);
                            } else {
                                GWT.log("Result " + response.getStatusText(), null);
                            }
                        }
                    }
                });
            } catch (RequestException e) {
                GWT.log("Exception thrown: ", e);
            }
        } else {

        }
    }

    public void setHashMapping(String hm) {
        hashMapping = hm;
    }

    public String getHashMapping() {
        return hashMapping;
    }

    public String getWidgetValue() {
        int cnt = multiLBox.getItemCount();
        String items = "";
        for (int i = 0; i < cnt; i++) {
            if (multiLBox.isItemSelected(i)) {
                if (items.equals(""))
                    items = multiLBox.getValue(i);
                else
                    items += "," + multiLBox.getValue(i);
            }
        }
        JsonUtil.debug("Selected items are:" + items);
        return items;
    }

    public void setFromHash(HashMap<String, String> data) {

    }

    public String getStoredValue() {
        return "";
    }

    public void setValue() {

        String array[] = selVal.split(",");
        // Window.alert("cnt:"+array.length);

        int selCnt = array.length;

        for (int j = 0; j < selCnt; j++) {
            int cnt = multiLBox.getItemCount();
            // Window.alert(""+cnt);

            for (int i = 0; i < cnt; i++) {
                if (array[j].equals(multiLBox.getValue(i))) {
                    multiLBox.setItemSelected(i, true);
                    // multiLBox.setSelectedIndex(i);
                }

            }
        }
    }

}