com.google.gwt.user.client.ui.impl.TextBoxImpl Maven / Gradle / Ivy
/*
* Copyright 2006 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.user.client.ui.impl;
import com.google.gwt.dom.client.Element;
/**
* Implementation class used by {@link com.google.gwt.user.client.ui.TextBox}.
*/
public class TextBoxImpl {
public native int getCursorPos(Element elem) /*-{
// Guard needed for FireFox.
try{
return elem.selectionStart;
} catch (e) {
return 0;
}
}-*/;
public native int getSelectionLength(Element elem) /*-{
// Guard needed for FireFox.
try{
return elem.selectionEnd - elem.selectionStart;
} catch (e) {
return 0;
}
}-*/;
public int getTextAreaCursorPos(Element elem) {
return getCursorPos(elem);
}
public int getTextAreaSelectionLength(Element elem) {
return getSelectionLength(elem);
}
public native void setSelectionRange(Element elem, int pos, int length) /*-{
try {
elem.setSelectionRange(pos, pos + length);
} catch (e) {
// Firefox throws exception if TextBox is not visible, even if attached
}
}-*/;
}