nz.co.senanque.vaadinsupport.SubmitButtonPainter.java Source code

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Here is the source code for nz.co.senanque.vaadinsupport.SubmitButtonPainter.java

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/*******************************************************************************
 * Copyright (c)2014 Prometheus Consulting
 *
 * 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 nz.co.senanque.vaadinsupport;

import java.util.ArrayList;
import java.util.List;

import nz.co.senanque.vaadinsupport.application.MaduraSessionManager;

import com.vaadin.ui.Button;
import com.vaadin.ui.MenuBar.MenuItem;

/**
 * 
 * Only enable the button (or menu item) if the required fields are filled in.
 * 
 * @author Roger Parkinson
 * @version $Revision:$
 */
public class SubmitButtonPainter extends AbstractButtonPainter {
    private static final long serialVersionUID = 5303047518541446210L;

    private List<MaduraPropertyWrapper> m_properties = new ArrayList<MaduraPropertyWrapper>();

    private MaduraForm m_form;

    public SubmitButtonPainter(MaduraSessionManager maduraSessionManager) {
        super(maduraSessionManager.getPermissionManager(), maduraSessionManager.getMessageSource());
    }

    public SubmitButtonPainter(String permissionName, MaduraSessionManager maduraSessionManager) {
        super(maduraSessionManager.getPermissionManager(), maduraSessionManager.getMessageSource());
        setPermissionName(permissionName);
    }

    public void paint(Button button) {
        if (m_form != null && m_form.isReadOnly()) {
            button.setEnabled(false);
        } else {
            button.setEnabled(isEnabled());
        }
        super.paint(button);
    }

    public void paint(MenuItem menuItem) {
        menuItem.setEnabled(isEnabled());
        super.paint(menuItem);
    }

    private boolean isEnabled() {
        boolean ret = true;
        for (MaduraPropertyWrapper property : m_properties) {
            //         String errorText = property.getErrorText();
            //         boolean required = property.isRequired();
            Object value = property.getValue();
            boolean hasNoValue = (value == null || "".equals(value));
            if ((property.getErrorText() != null) || (property.isRequired() && hasNoValue)) {
                ret = false;
                break;
            }
        }
        return ret;
    }

    public void setProperties(List<MaduraPropertyWrapper> properties) {
        m_properties = properties;
    }

    public List<MaduraPropertyWrapper> getProperties() {
        return m_properties;
    }

    public MaduraPropertyWrapper getProperty() {
        return null;
    }

    @Override
    public void setForm(MaduraForm maduraForm) {
        m_form = maduraForm;
    }

    public MaduraForm getForm() {
        return m_form;
    }

}