org.drools.guvnor.client.explorer.AssetEditorActivity.java Source code

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Here is the source code for org.drools.guvnor.client.explorer.AssetEditorActivity.java

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/*
 * Copyright 2011 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.
 */

package org.drools.guvnor.client.explorer;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Timer;

import org.drools.guvnor.client.asseteditor.RuleViewerWrapper;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.LoadingPopup;
import org.drools.guvnor.client.messages.ConstantsCore;
import org.drools.guvnor.client.rpc.Asset;
import org.drools.guvnor.client.util.Activity;

public class AssetEditorActivity extends Activity {

    private ConstantsCore constants = GWT.create(ConstantsCore.class);

    private final AssetEditorPlace place;
    private final ClientFactory clientFactory;
    private EventBus eventBus;

    public AssetEditorActivity(AssetEditorPlace place, ClientFactory clientFactory) {
        this.clientFactory = clientFactory;
        this.place = place;
    }

    @Override
    public void start(AcceptItem tabbedPanel, EventBus eventBus) {
        this.eventBus = eventBus;
        final boolean[] loading = { true };

        Timer t = new Timer() {
            public void run() {
                if (loading[0]) {
                    LoadingPopup.showMessage(constants.LoadingAsset());
                }
            }
        };
        t.schedule(200);

        loadRuleAsset(tabbedPanel, place.getUuid(), loading);
    }

    private void loadRuleAsset(final AcceptItem tabbedPanel, final String uuid, final boolean[] loading) {
        clientFactory.getAssetService().loadRuleAsset(uuid, createGenericCallback(tabbedPanel, loading));
    }

    private GenericCallback<Asset> createGenericCallback(final AcceptItem tabbedPanel, final boolean[] loading) {
        return new GenericCallback<Asset>() {
            public void onSuccess(final Asset ruleAsset) {
                eventBus.fireEvent(new RefreshModuleDataModelEvent(ruleAsset.metaData.moduleName,
                        createOnRefreshModuleDataModelCompletion(loading, ruleAsset)));
            }

            private Command createOnRefreshModuleDataModelCompletion(final boolean[] loading,
                    final Asset ruleAsset) {
                return new Command() {
                    public void execute() {
                        loading[0] = false;

                        tabbedPanel.add(ruleAsset.getName(),
                                new RuleViewerWrapper(clientFactory, eventBus, ruleAsset));

                        LoadingPopup.close();
                    }
                };
            }
        };
    }
}