01: /*
02: * Copyright 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.user.client.ui.impl;
17:
18: import com.google.gwt.user.client.Element;
19:
20: /**
21: * Implementation class used by {@link com.google.gwt.user.client.ui.TextBox}.
22: */
23: public class TextBoxImpl {
24:
25: public native int getCursorPos(Element elem) /*-{
26: // Guard needed for FireFox.
27: try{
28: return elem.selectionStart;
29: } catch (e) {
30: return 0;
31: }
32: }-*/;
33:
34: public native int getSelectionLength(Element elem) /*-{
35: // Guard needed for FireFox.
36: try{
37: return elem.selectionEnd - elem.selectionStart;
38: } catch (e) {
39: return 0;
40: }
41: }-*/;
42:
43: public int getTextAreaCursorPos(Element elem) {
44: return getCursorPos(elem);
45: }
46:
47: public native void setSelectionRange(Element elem, int pos,
48: int length) /*-{
49: elem.setSelectionRange(pos, pos + length);
50: }-*/;
51: }
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