org.jdal.vaadin.beans.ColumnBeanDefinitionParser.java Source code

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Here is the source code for org.jdal.vaadin.beans.ColumnBeanDefinitionParser.java

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/*
 * Copyright 2009-2012 the original author or authors.
 *
 * 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.jdal.vaadin.beans;

import org.jdal.beans.BeanDefinitionUtils;
import org.jdal.vaadin.ui.table.Column;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSimpleBeanDefinitionParser;
import org.w3c.dom.Element;

import com.vaadin.ui.Table.Align;

/**
 * @author Jose Luis Martin - (jlm@joseluismartin.info)
 *
 */
public class ColumnBeanDefinitionParser extends AbstractSimpleBeanDefinitionParser {
    private static final String SCOPE_ATTRIBUTE = "scope";
    private static final String PROPERTY_EDITOR_ATTRIBUTE = "property-editor";
    private static final String ALIGN_ATTRIBUTE = "align";
    private static final String RENDERER_ATTRIBUTE = "renderer";
    private static final String COLUMN_GENERATOR_ATTRIBUTE = "column-generator";

    @Override
    @SuppressWarnings({ "rawtypes", "unchecked" })
    protected Class getBeanClass(Element element) {
        return Column.class;
    }

    @Override
    protected boolean isEligibleAttribute(String attributeName) {
        return super.isEligibleAttribute(attributeName) && !SCOPE_ATTRIBUTE.equals(attributeName)
                && !PROPERTY_EDITOR_ATTRIBUTE.equals(attributeName) && !ALIGN_ATTRIBUTE.equals(attributeName)
                && !COLUMN_GENERATOR_ATTRIBUTE.equals(attributeName);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void postProcess(BeanDefinitionBuilder beanDefinition, Element element) {
        beanDefinition.setScope("prototype");

        BeanDefinitionUtils.addPropertyReferenceIfNeeded(beanDefinition, element, COLUMN_GENERATOR_ATTRIBUTE);
        BeanDefinitionUtils.addPropertyReferenceIfNeeded(beanDefinition, element, RENDERER_ATTRIBUTE);
        BeanDefinitionUtils.addPropertyReferenceIfNeeded(beanDefinition, element, PROPERTY_EDITOR_ATTRIBUTE);

        if (element.hasAttribute(ALIGN_ATTRIBUTE))
            beanDefinition.addPropertyValue(ALIGN_ATTRIBUTE, getAlignValue(element.getAttribute(ALIGN_ATTRIBUTE)));
    }

    /**
     * Return the Vaadin align attribute
     * @param attribute
     * @return
     */
    private Align getAlignValue(String align) {
        if ("right".equalsIgnoreCase(align))
            return Align.RIGHT;
        else if ("center".equalsIgnoreCase(align))
            return Align.CENTER;

        return Align.LEFT;

    }

}