org.drools.brms.client.admin.CategoryManager.java Source code

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Here is the source code for org.drools.brms.client.admin.CategoryManager.java

Source

package org.drools.brms.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.brms.client.categorynav.CategoryEditor;
import org.drools.brms.client.categorynav.CategoryExplorerWidget;
import org.drools.brms.client.categorynav.CategorySelectHandler;
import org.drools.brms.client.common.FormStyleLayout;
import org.drools.brms.client.common.GenericCallback;
import org.drools.brms.client.common.ImageButton;
import org.drools.brms.client.rpc.RepositoryServiceFactory;

import com.google.gwt.user.client.Window;
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.Image;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * This controls category administration.
 * @author Michael Neale
 */
public class CategoryManager extends Composite {

    public VerticalPanel layout = new VerticalPanel();
    //public String selectedPath;
    private CategoryExplorerWidget explorer;

    public CategoryManager() {

        FormStyleLayout form = new FormStyleLayout("images/edit_category.gif", "Edit categories");
        form.addAttribute("", new HTML(
                "<i>Categories aid in managing large numbers of rules/assets. A shallow hierarchy is recommented.</i>"));

        explorer = new CategoryExplorerWidget(new CategorySelectHandler() {
            public void selected(String sel) {
                //don't need this here as we don't do anything on select in this spot
            }
        });
        explorer.setStyleName("category-explorer-Admin");

        SimplePanel editable = new SimplePanel();
        editable.setStyleName("metadata-Widget");
        editable.add(explorer);
        form.addRow(new HTML("<hr/>"));
        form.addAttribute("Current categories:", editable);

        Image refresh = new ImageButton("images/refresh.gif");
        refresh.setTitle("Refresh categories");
        refresh.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                explorer.refresh();
            }
        });
        form.addAttribute("Refresh view:", refresh);
        form.addRow(new HTML("<hr/>"));

        Image newCat = new ImageButton("images/new.gif");
        newCat.setTitle("Create a new category");
        newCat.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                CategoryEditor newCat = new CategoryEditor(explorer.getSelectedPath());
                newCat.setPopupPosition(w.getAbsoluteLeft(), w.getAbsoluteTop() - 400);
                newCat.show();
            }
        });

        form.addAttribute("Create a new category:", newCat);

        Image delete = new ImageButton("images/delete_obj.gif");
        delete.addClickListener(new ClickListener() {
            public void onClick(Widget w) {
                deleteSelected();
            }
        });
        delete.setTitle(
                "Deletes the currently selected category. You won't be able to delete if the category is in use.");

        form.addAttribute("Delete the currently selected category:", delete);

        initWidget(form);
    }

    private void deleteSelected() {
        if (Window.confirm("Are you sure you want to delete category: " + explorer.getSelectedPath())) {
            RepositoryServiceFactory.getService().removeCategory(explorer.getSelectedPath(), new GenericCallback() {

                public void onSuccess(Object data) {
                    explorer.refresh();
                }

            });
        }
    }

}