org.apache.tamaya.mutableconfig.ui.ConfigUpdaterView.java Source code

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Here is the source code for org.apache.tamaya.mutableconfig.ui.ConfigUpdaterView.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.tamaya.mutableconfig.ui;

import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Label;
import org.apache.tamaya.mutableconfig.MutableConfiguration;
import org.apache.tamaya.mutableconfig.MutableConfigurationProvider;
import org.apache.tamaya.mutableconfig.spi.MutablePropertySource;
import org.apache.tamaya.spi.ServiceContextManager;
import org.apache.tamaya.ui.UIConstants;
import org.apache.tamaya.ui.ViewProvider;
import org.apache.tamaya.ui.components.VerticalSpacedLayout;
import org.apache.tamaya.ui.services.MessageProvider;

import javax.annotation.Priority;

/**
 * Tamaya UI view to change configuration.
 */
public class ConfigUpdaterView extends VerticalSpacedLayout implements View {

    /**
     * Provider to register the view.
     */
    @Priority(50)
    public static final class Provider implements ViewProvider {

        @Override
        public ViewLifecycle getLifecycle() {
            return ViewLifecycle.LAZY;
        }

        @Override
        public String getUrlPattern() {
            return "/edit";
        }

        @Override
        public String getDisplayName() {
            return ServiceContextManager.getServiceContext().getService(MessageProvider.class)
                    .getMessage("view.edit.name");
        }

        @Override
        public View createView() {
            return new ConfigUpdaterView();
        }
    }

    private ProtocolWidget protocolArea = new ProtocolWidget();

    private MutableConfiguration mutableConfig = MutableConfigurationProvider.getMutableConfiguration();

    private TransactionControlWidget taControlWidget = new TransactionControlWidget(mutableConfig, protocolArea);

    private ConfigEditorWidget editorWidget = new ConfigEditorWidget(mutableConfig, protocolArea);

    public ConfigUpdaterView() {
        Label caption = new Label(ServiceContextManager.getServiceContext().getService(MessageProvider.class)
                .getMessage("view.edit.name"));
        Label description = new Label(ServiceContextManager.getServiceContext().getService(MessageProvider.class)
                .getMessage("view.edit.description"), ContentMode.HTML);

        caption.addStyleName(UIConstants.LABEL_HUGE);
        description.addStyleName(UIConstants.LABEL_LARGE);
        protocolArea.print("INFO: Writable Property Sources: ");
        for (MutablePropertySource ps : mutableConfig.getMutablePropertySources()) {
            protocolArea.print(ps.getName(), ", ");
        }
        protocolArea.println();
        addComponents(caption, description, editorWidget, protocolArea, taControlWidget);
    }

    private String getCaption(String key, String value) {
        int index = key.lastIndexOf('.');
        if (index < 0) {
            return key + " = " + value;
        } else {
            return key.substring(index + 1) + " = " + value;
        }
    }

    @Override
    public void enter(ViewChangeListener.ViewChangeEvent event) {

    }
}