io.pelle.mango.client.gwt.modules.dictionary.controls.EnumerationControlFactory.java Source code

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Here is the source code for io.pelle.mango.client.gwt.modules.dictionary.controls.EnumerationControlFactory.java

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/**
 * Copyright (c) 2013 Christian Pelster.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Christian Pelster - initial API and implementation
 */
package io.pelle.mango.client.gwt.modules.dictionary.controls;

import io.pelle.mango.client.base.layout.LAYOUT_TYPE;
import io.pelle.mango.client.base.modules.dictionary.container.IBaseTable;
import io.pelle.mango.client.base.modules.dictionary.container.IBaseTable.ITableRow;
import io.pelle.mango.client.base.modules.dictionary.model.controls.IEnumerationControlModel;
import io.pelle.mango.client.base.vo.IBaseVO;
import io.pelle.mango.client.gwt.modules.dictionary.IMangoCellTable;
import io.pelle.mango.client.web.modules.dictionary.controls.BaseDictionaryControl;
import io.pelle.mango.client.web.modules.dictionary.controls.EnumerationControl;

import java.util.ArrayList;

import com.google.gwt.cell.client.FieldUpdater;
import com.google.gwt.cell.client.SelectionCell;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;

/**
 * control factory for enumeration controls
 * 
 * @author pelle
 * 
 */
public class EnumerationControlFactory<ENUM_TYPE>
        extends BaseControlFactory<IEnumerationControlModel<ENUM_TYPE>, EnumerationControl<ENUM_TYPE>> {

    /** {@inheritDoc} */
    @Override
    public Widget createControl(EnumerationControl<ENUM_TYPE> enumerationControl, LAYOUT_TYPE layoutType) {
        return new GwtEnumerationControl(enumerationControl);
    }

    /** {@inheritDoc} */
    @Override
    public boolean supports(BaseDictionaryControl<?, ?> baseControl) {
        return baseControl instanceof EnumerationControl;
    }

    @Override
    public <VOType extends IBaseVO> Column<ITableRow<VOType>, ?> createColumn(
            final EnumerationControl<ENUM_TYPE> enumerationControl, boolean editable,
            ListDataProvider<ITableRow<VOType>> listDataProvider, IMangoCellTable<VOType> mangoCellTable) {
        if (editable) {

            final SelectionCell selectionCell = new SelectionCell(
                    new ArrayList(enumerationControl.getEnumerationMap().values()));

            Column<IBaseTable.ITableRow<VOType>, String> column = new Column<IBaseTable.ITableRow<VOType>, String>(
                    selectionCell) {

                @Override
                public String getValue(IBaseTable.ITableRow<VOType> tableRow) {
                    return tableRow.getElement(enumerationControl.getModel()).format();
                }
            };

            FieldUpdater<IBaseTable.ITableRow<VOType>, String> fieldUpdater = new FieldUpdater<IBaseTable.ITableRow<VOType>, String>() {
                @SuppressWarnings("unchecked")
                @Override
                public void update(int index, IBaseTable.ITableRow<VOType> tableRow, String value) {
                    tableRow.getElement(enumerationControl.getModel())
                            .setValue(GwtEnumerationControl.getEnumForText(enumerationControl, value));
                }
            };
            column.setFieldUpdater(fieldUpdater);

            return column;
        } else {
            return super.createColumn(enumerationControl, editable, listDataProvider, mangoCellTable);
        }
    }

}