com.google.gwt.gen2.table.client.TextCellEditor.java Source code

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Here is the source code for com.google.gwt.gen2.table.client.TextCellEditor.java

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/*
 * Copyright 2008 Google Inc.
 * 
 * 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 com.google.gwt.gen2.table.client;

import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.TextBoxBase;

/**
 * An {@link InlineCellEditor} that can be used to edit {@link String Strings}.
 */
public class TextCellEditor extends InlineCellEditor<String> {
    /**
     * The text field used in this editor.
     */
    private TextBoxBase textBox;

    /**
     * Construct a new {@link TextCellEditor} using a normal {@link TextBox}.
     */
    public TextCellEditor() {
        this(new TextBox());
    }

    /**
     * Construct a new {@link TextCellEditor} using the specified {@link TextBox}.
     * 
     * @param textBox the text box to use
     */
    public TextCellEditor(TextBoxBase textBox) {
        super(textBox);
        this.textBox = textBox;
    }

    /**
     * Construct a new {@link TextCellEditor} using the specified {@link TextBox}
     * and images.
     * 
     * @param textBox the text box to use
     * @param images the images to use for the accept/cancel buttons
     */
    public TextCellEditor(TextBoxBase textBox, InlineCellEditorImages images) {
        super(textBox, images);
        this.textBox = textBox;
    }

    @Override
    public void editCell(CellEditInfo cellEditInfo, String cellValue, Callback<String> callback) {
        super.editCell(cellEditInfo, cellValue, callback);
        textBox.setFocus(true);
    }

    /**
     * @return the text box used in the editor
     */
    protected TextBoxBase getTextBox() {
        return textBox;
    }

    @Override
    protected String getValue() {
        return textBox.getText();
    }

    @Override
    protected void setValue(String cellValue) {
        if (cellValue == null) {
            cellValue = "";
        }
        textBox.setText(cellValue);
    }
}