org.drools.brms.client.common.StatusChangePopup.java Source code

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Here is the source code for org.drools.brms.client.common.StatusChangePopup.java

Source

package org.drools.brms.client.common;
/*
 * Copyright 2005 JBoss Inc
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.drools.brms.client.rpc.RepositoryServiceFactory;

import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ChangeListener;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;

/**
 * Well this one should be pretty obvious what it does. 
 * I feel like I have wasted valuable time writing this comment, but I hope
 * you enjoyed reading it.
 * 
 * @author Michael Neale
 *
 */
public class StatusChangePopup extends DialogBox {

    private boolean isPackage;
    private String uuid;
    private String newStatus;
    private Command changedStatus;

    public StatusChangePopup(String uuid, boolean isPackage) {
        super(true);

        this.uuid = uuid;
        this.isPackage = isPackage;

        setStyleName("ks-popups-Popup");

        setHTML("<img src='images/status_small.gif'/><b>Change status</b>");
        HorizontalPanel horiz = new HorizontalPanel();
        final ListBox box = new ListBox();

        LoadingPopup.showMessage("Please wait...");
        RepositoryServiceFactory.getService().listStates(new GenericCallback() {
            public void onSuccess(Object data) {
                String[] list = (String[]) data;
                box.addItem("-- Choose one --");
                for (int i = 0; i < list.length; i++) {
                    box.addItem(list[i]);
                }
                LoadingPopup.close();
            }
        });

        box.addChangeListener(new ChangeListener() {
            public void onChange(Widget w) {
                newStatus = box.getItemText(box.getSelectedIndex());
            }
        });

        horiz.add(box);
        Button ok = new Button("Change status");
        ok.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                String newState = box.getItemText(box.getSelectedIndex());
                changeState(newState);
                hide();
            }
        });
        horiz.add(ok);

        Button close = new Button("Cancel");
        close.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                hide();
            }
        });
        horiz.add(close);

        setWidget(horiz);
    }

    /** Apply the state change */
    private void changeState(String newState) {
        LoadingPopup.showMessage("Updating status...");
        RepositoryServiceFactory.getService().changeState(uuid, newStatus, isPackage, new GenericCallback() {
            public void onSuccess(Object data) {
                changedStatus.execute();
                LoadingPopup.close();
            }
        });
    }

    /**
     * Get what the state was changed to.
     */
    public String getState() {
        return this.newStatus;
    }

    /**
     * set the status change event
     */
    public void setChangeStatusEvent(Command command) {
        this.changedStatus = command;
    }
}