SchemaMaintenanceMasterDetailLabelProvider.java

/*
 * Copyright 2012 PRODYNA AG
 *
 * Licensed under the Eclipse Public License (EPL), Version 1.0 (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.opensource.org/licenses/eclipse-1.0.php or
 * http://www.nabucco.org/License.html
 *
 * 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.nabucco.testautomation.schema.ui.rcp.multipage.maintenance.masterdetails;

import java.io.Serializable;
import java.util.AbstractMap;
import java.util.AbstractMap.SimpleEntry;
import java.util.HashMap;
import java.util.Map;

import org.nabucco.framework.base.facade.datatype.Datatype;
import org.nabucco.framework.base.facade.datatype.Name;
import org.nabucco.framework.plugin.base.component.multipage.masterdetail.MasterDetailTreeNode;
import org.nabucco.framework.plugin.base.layout.I18NLabelProviderContributor;
import org.nabucco.testautomation.schema.facade.datatype.SchemaConfig;
import org.nabucco.testautomation.schema.facade.datatype.SchemaElement;
import org.nabucco.testautomation.schema.facade.datatype.attribute.Attribute;
import org.nabucco.testautomation.schema.ui.rcp.images.SchemaImageRegistry;

/**
 * WorkflowConditionMasterDetailLabelProvider
 * 
 * @author Markus Jorroch, PRODYNA AG
 */
public class SchemaMaintenanceMasterDetailLabelProvider implements I18NLabelProviderContributor {

    private static final String NAME = "name";

    private static final String SCHEMA_CONFIG = "schemaConfig";

    private static final String SCHEMA_ELEMENT = "schemaElement";

    private static SchemaMaintenanceMasterDetailLabelProvider instance = new SchemaMaintenanceMasterDetailLabelProvider();

    private SchemaMaintenanceMasterDetailLabelProvider() {
    }

    public static SchemaMaintenanceMasterDetailLabelProvider getInstance() {
        return instance;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Map.Entry<String, Map<String, ? extends Serializable>> getText(final Object element) {
        Map.Entry<String, Map<String, ? extends Serializable>> result = null;
        if (element instanceof MasterDetailTreeNode) {
            MasterDetailTreeNode treeNode = (MasterDetailTreeNode) element;
            result = getText(treeNode.getDatatype());
        }
        return result;
    }

    /**
     * String representing a special datatype.
     * 
     * @param datatype
     *            the datatype to find a text for
     * 
     * @return a textual representation of the given datatype
     */
    private Map.Entry<String, Map<String, ? extends Serializable>> getText(final Datatype datatype) {
        Map.Entry<String, Map<String, ? extends Serializable>> entry;

        if (datatype instanceof SchemaElement) {
            SchemaElement schemaElement = (SchemaElement) datatype;
            entry = createEntry(SCHEMA_ELEMENT, NAME, schemaElement.getName());
        } else if (datatype instanceof SchemaConfig) {
            SchemaConfig schemaConfig = (SchemaConfig) datatype;
            entry = createEntry(SCHEMA_CONFIG, NAME, schemaConfig.getName());
        } else if (datatype instanceof Attribute) {
            Attribute attribute = (Attribute) datatype;
            entry = createEntry(SCHEMA_CONFIG, NAME, attribute.getName());
        } else {
            entry = new AbstractMap.SimpleEntry<String, Map<String, ? extends Serializable>>(datatype.getClass()
                    .getSimpleName(), null);
        }
        return entry;
    }

    /**
     * Create the property entry
     * 
     * @param i18n
     *            the internationalized value
     * @param key
     *            parameter key
     * @param name
     *            parameter value
     * 
     * @return the new created entry
     */
    private SimpleEntry<String, Map<String, ? extends Serializable>> createEntry(final String i18n, String key,
            Name value) {
        return new AbstractMap.SimpleEntry<String, Map<String, ? extends Serializable>>(i18n, createMap(key,
                value.getValue()));
    }

    private Map<String, ? extends Serializable> createMap(final String key, final String value) {
        Map<String, String> result = new HashMap<String, String>();
        result.put(key, value);
        return result;
    }

    @Override
    public String getImage(Object element) {
        if (element instanceof MasterDetailTreeNode) {
            Datatype datatype = ((MasterDetailTreeNode) element).getDatatype();
            return getImage(datatype);
        } else if (element instanceof Datatype) {
            return getImage((Datatype) element);
        }
        return SchemaImageRegistry.ICON_SCHEMA.getId();
    }

    private String getImage(Datatype datatype) {
        if (datatype instanceof SchemaConfig) {
            return SchemaImageRegistry.ICON_SCHEMA.getId();
        } else if (datatype instanceof SchemaElement) {
            return SchemaImageRegistry.ICON_ELEMENT.getId();
        } else if (datatype instanceof Attribute) {
            return SchemaImageRegistry.ICON_ATTRIBUTE.getId();
        }
        return SchemaImageRegistry.ICON_SCHEMA.getId();
    }

}