com.mycollab.module.project.view.settings.component.ProjectMemberSelectionField.java Source code

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Here is the source code for com.mycollab.module.project.view.settings.component.ProjectMemberSelectionField.java

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/**
 * This file is part of mycollab-web.
 *
 * mycollab-web is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * mycollab-web is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with mycollab-web.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.mycollab.module.project.view.settings.component;

import com.mycollab.module.project.domain.SimpleProjectMember;
import com.vaadin.data.Property;
import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.ui.Component;
import com.vaadin.ui.CustomField;

/**
 * @author MyCollab Ltd.
 * @since 1.0
 */
public class ProjectMemberSelectionField extends CustomField<String> {
    private static final long serialVersionUID = 1L;

    private ProjectMemberSelectionBox memberSelectionBox;

    public ProjectMemberSelectionField() {
        super();
        this.setImmediate(true);
        memberSelectionBox = new ProjectMemberSelectionBox(true);
        memberSelectionBox.addValueChangeListener(new ValueChangeListener() {
            @Override
            public void valueChange(Property.ValueChangeEvent event) {
                SimpleProjectMember value = (SimpleProjectMember) memberSelectionBox.getValue();
                if (value != null) {
                    ProjectMemberSelectionField.this.setValue(value.getDisplayName());
                } else {
                    ProjectMemberSelectionField.this.setValue(null);
                }
            }
        });
    }

    @Override
    public void setPropertyDataSource(Property newDataSource) {
        Object value = newDataSource.getValue();
        if (value instanceof String) {
            memberSelectionBox.setValue(value);
        }
        super.setPropertyDataSource(newDataSource);
    }

    @Override
    public void commit() throws SourceException, InvalidValueException {
        SimpleProjectMember value = (SimpleProjectMember) memberSelectionBox.getValue();
        if (value != null) {
            this.setInternalValue(value.getUsername());
        } else {
            this.setInternalValue(null);
        }

        super.commit();
    }

    @Override
    protected Component initContent() {
        return memberSelectionBox;
    }

    @Override
    public Class<? extends String> getType() {
        return String.class;
    }

    public void addValueChangeListener(ValueChangeListener listener) {
        memberSelectionBox.addValueChangeListener(listener);
    }
}