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

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Here is the source code for org.mklab.taskit.client.ui.cell.TextAreaCell.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 com.google.gwt.cell.client.AbstractInputCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.InputElement;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;

/**
 * @author ishikura
 */
public class TextAreaCell extends AbstractInputCell<String, String> {

    /**
     * {@link TextAreaCell}???
     */
    public TextAreaCell() {
        super("change"); //$NON-NLS-1$
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings({ "nls", "unused" })
    @Override
    public void render(com.google.gwt.cell.client.Cell.Context context, String value, SafeHtmlBuilder sb) {
        sb.appendHtmlConstant("<textarea rows='2'>");
        if (value != null)
            sb.appendEscaped(value);
        sb.appendHtmlConstant("</textarea>");
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void onBrowserEvent(com.google.gwt.cell.client.Cell.Context context, Element parent, String value,
            NativeEvent event, ValueUpdater<String> valueUpdater) {
        super.onBrowserEvent(context, parent, value, event, valueUpdater);
        if ("change".equals(event.getType())) { //$NON-NLS-1$
            finishEditing(parent, value, context.getKey(), valueUpdater);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onEnterKeyDown(com.google.gwt.cell.client.Cell.Context context, Element parent, String value,
            NativeEvent event, ValueUpdater<String> valueUpdater) {
        if (event.getCtrlKey()) {
            super.onEnterKeyDown(context, parent, value, event, valueUpdater);
        }
        return;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void finishEditing(Element parent, String value, Object key, ValueUpdater<String> valueUpdater) {
        final InputElement input = getInputElement(parent).cast();
        valueUpdater.update(input.getValue());
        super.finishEditing(parent, value, key, valueUpdater);
    }
}