org.drools.guvnor.client.admin.StateManager.java Source code

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Here is the source code for org.drools.guvnor.client.admin.StateManager.java

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package org.drools.guvnor.client.admin;

/*
 * 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.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.LoadingPopup;
import org.drools.guvnor.client.common.PrettyFormLayout;
import org.drools.guvnor.client.rpc.RepositoryServiceFactory;

import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;

public class StateManager extends Composite {

    private ListBox currentStatuses;

    public StateManager() {
        PrettyFormLayout form = new PrettyFormLayout();
        form.addHeader("images/status_large.png", new HTML("<b>Manage statuses</b>"));
        form.startSection("Status tags are for the lifecycle of an asset.");

        currentStatuses = new ListBox();
        currentStatuses.setVisibleItemCount(7);
        currentStatuses.setWidth("50%");

        refreshList();

        form.addAttribute("Current statuses:", currentStatuses);

        HorizontalPanel hPanel = new HorizontalPanel();
        Button create = new Button("New status");
        create.setTitle("Create a new category");
        create.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                StatusEditor newCat = new StatusEditor(new Command() {
                    public void execute() {
                        refreshList();
                    }
                });

                newCat.show();
            }
        });

        Button edit = new Button("Rename selected");
        edit.addClickListener(new ClickListener() {
            public void onClick(Widget w) {

                if (!currentStatuses.isItemSelected(currentStatuses.getSelectedIndex())) {
                    Window.alert("Please select a status to rename.");
                    return;
                }
                renameSelected();

            }
        });

        Button remove = new Button("Delete selected");
        remove.addClickListener(new ClickListener() {
            public void onClick(Widget w) {

                if (!currentStatuses.isItemSelected(currentStatuses.getSelectedIndex())) {
                    Window.alert("Please select a status to remove.");
                    return;
                }

                removeStatus();

            }

        });
        hPanel.add(create);
        hPanel.add(edit);
        hPanel.add(remove);

        form.addAttribute("Add new status:", hPanel);

        form.endSection();
        initWidget(form);
    }

    private void removeStatus() {
        String name = currentStatuses.getItemText(currentStatuses.getSelectedIndex());

        RepositoryServiceFactory.getService().removeState(name, new GenericCallback() {
            public void onSuccess(Object data) {
                Window.alert("Status removed.");
                refreshList();
            }
        });
    }

    private void renameSelected() {

        String newName = Window.prompt("Please enter the name you would like to change this status to", "");

        String oldName = currentStatuses.getItemText(currentStatuses.getSelectedIndex());

        if (newName != null) {
            RepositoryServiceFactory.getService().renameState(oldName, newName, new GenericCallback() {
                public void onSuccess(Object data) {
                    Window.alert("Status renamed.");
                    refreshList();
                }
            });
        }
    }

    private void refreshList() {
        LoadingPopup.showMessage("Loading statuses...");
        RepositoryServiceFactory.getService().listStates(new GenericCallback() {
            public void onSuccess(Object data) {
                currentStatuses.clear();
                String[] statii = (String[]) data;
                for (int i = 0; i < statii.length; i++) {
                    currentStatuses.addItem(statii[i]);
                }
                LoadingPopup.close();
            }
        });
    }

}