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1   /*
2    * Copyright (c) 2002-2025 Gargoyle Software Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * https://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  package org.htmlunit.html.impl;
16  
17  import org.htmlunit.Page;
18  
19  /**
20   * Internal interface which defines an input element which contains selectable text. This interface just keeps
21   * the various implementations in sync as to selection functionality, and provides a definition of the functionality
22   * required by the {@link SelectableTextSelectionDelegate} so that it can do its job.
23   * This interface is not public because it is an internal contract.
24   *
25   * @author Daniel Gredler
26   * @author Ronald Brill
27   */
28  public interface SelectableTextInput {
29  
30      /**
31       * Returns the page which contains this element.
32       * @return the page which contains this element
33       */
34      Page getPage();
35  
36      /**
37       * Focuses this element.
38       */
39      void focus();
40  
41      /**
42       * Focuses this element and selects all of its text.
43       */
44      void select();
45  
46      /**
47       * Returns all of the text in this element.
48       * @return all of the text in this element
49       */
50      String getText();
51  
52      /**
53       * Sets the text in this element.
54       * @param text the text to put in this element
55       */
56      void setText(String text);
57  
58      /**
59       * Returns the selected text in this element, or {@code null} if there is no selected text in this element.
60       * @return the selected text in this element, or {@code null} if there is no selected text in this element
61       */
62      String getSelectedText();
63  
64      /**
65       * Returns the start position of the selected text in this element.
66       * @return the start position of the selected text in this element
67       */
68      int getSelectionStart();
69  
70      /**
71       * Sets the start position of the selected text in this element.
72       * @param selectionStart the start position of the selected text in this element
73       */
74      void setSelectionStart(int selectionStart);
75  
76      /**
77       * Returns the end position of the selected text in this element.
78       * @return the end position of the selected text in this element
79       */
80      int getSelectionEnd();
81  
82      /**
83       * Sets the end position of the selected text in this element.
84       * @param selectionEnd the end position of the selected text in this element
85       */
86      void setSelectionEnd(int selectionEnd);
87  
88  }