org.mklab.taskit.client.ui.cell.NullableDatePickerCell.java Source code

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Here is the source code for org.mklab.taskit.client.ui.cell.NullableDatePickerCell.java

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/*
 * 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.mklab.taskit.client.ui.cell;

import java.util.Date;

import com.google.gwt.cell.client.DatePickerCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;

/**
 * null?{@link DatePickerCell}??
 * 
 * @author ishikura
 */
public final class NullableDatePickerCell extends DatePickerCell {

    /**
     * {@inheritDoc}
     */
    @Override
    public void onBrowserEvent(com.google.gwt.cell.client.Cell.Context context, Element parent, Date value,
            NativeEvent event, ValueUpdater<Date> valueUpdater) {
        if (value == null) {
            super.onBrowserEvent(context, parent, new Date(), event, valueUpdater);
        } else {
            super.onBrowserEvent(context, parent, value, event, valueUpdater);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void render(com.google.gwt.cell.client.Cell.Context context, Date value, SafeHtmlBuilder sb) {
        if (value == null) {
            // ??????????????????
            sb.appendHtmlConstant("<input type='button' value='Edit'/>"); //$NON-NLS-1$
            return;
        }

        super.render(context, value, sb);
    }
}