blob: 811369ec48236da0acdfc03bbd164199fb15ae2f [file] [log] [blame]
/*
* Copyright 2010 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.cell.client;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.InputElement;
import com.google.gwt.dom.client.NativeEvent;
/**
* A {@link AbstractCell} used to render a text input.
*
* <p>
* Note: This class is new and its interface subject to change.
* </p>
*/
public class TextInputCell extends AbstractEditableCell<String, String> {
public TextInputCell() {
super("change", "keyup");
}
@Override
public void onBrowserEvent(Element parent, String value, Object key,
NativeEvent event, ValueUpdater<String> valueUpdater) {
String eventType = event.getType();
if ("change".equals(eventType)) {
InputElement input = parent.getFirstChild().cast();
String newValue = input.getValue();
setViewData(key, newValue);
if (valueUpdater != null) {
valueUpdater.update(newValue);
}
} else if ("keyup".equals(eventType)) {
// Record keys as they are typed.
InputElement input = parent.getFirstChild().cast();
setViewData(key, input.getValue());
}
}
@Override
public void render(String value, Object key, StringBuilder sb) {
// Get the view data.
String viewData = getViewData(key);
if (viewData != null && viewData.equals(value)) {
clearViewData(key);
viewData = null;
}
String s = (viewData != null) ? viewData : (value != null ? value : null);
if (s != null) {
sb.append("<input type='text' value='").append(s).append("'></input>");
} else {
sb.append("<input type='text'></input>");
}
}
}