| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you 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 org.apache.pivot.wtk; |
| |
| import org.apache.pivot.util.Vote; |
| |
| /** |
| * Text input text listener. |
| */ |
| public interface TextInputContentListener { |
| /** |
| * Text input text listener adapter. |
| */ |
| public static class Adapter implements TextInputContentListener { |
| @Override |
| public Vote previewInsertText(TextInput textInput, CharSequence text, int index) { |
| return Vote.APPROVE; |
| } |
| |
| @Override |
| public void insertTextVetoed(TextInput textInput, Vote reason) { |
| // empty block |
| } |
| |
| @Override |
| public void textInserted(TextInput textInput, int index, int count) { |
| // empty block |
| } |
| |
| @Override |
| public Vote previewRemoveText(TextInput textInput, int index, int count) { |
| return Vote.APPROVE; |
| } |
| |
| @Override |
| public void removeTextVetoed(TextInput textInput, Vote reason) { |
| // empty block |
| } |
| |
| @Override |
| public void textRemoved(TextInput textInput, int index, int count) { |
| // empty block |
| } |
| |
| @Override |
| public void textChanged(TextInput textInput) { |
| // empty block |
| } |
| } |
| |
| /** |
| * Called to preview a text insertion. |
| * |
| * @param textInput The source of the event. |
| * @param text The text that will be inserted. |
| * @param index The index at which the text will be inserted. |
| * @return The accumulated vote as to whether to allow this insertion. |
| */ |
| public Vote previewInsertText(TextInput textInput, CharSequence text, int index); |
| |
| /** |
| * Called when a text insertion has been vetoed. |
| * |
| * @param textInput The source of the event. |
| * @param reason The reason the event was vetoed. |
| */ |
| public void insertTextVetoed(TextInput textInput, Vote reason); |
| |
| /** |
| * Called when text has been inserted into a text input. |
| * |
| * @param textInput The source of the event. |
| * @param index The index at which the text was inserted. |
| * @param count The number of characters that were inserted. |
| */ |
| public void textInserted(TextInput textInput, int index, int count); |
| |
| /** |
| * Called to preview a text removal. |
| * |
| * @param textInput The source of the event. |
| * @param index The starting index from which the text will be removed. |
| * @param count The count of characters to be removed starting from that index. |
| * @return The accumulated vote as to whether to allow this removal. |
| */ |
| public Vote previewRemoveText(TextInput textInput, int index, int count); |
| |
| /** |
| * Called when a text removal has been vetoed. |
| * |
| * @param textInput The source of the event. |
| * @param reason The reason the event was vetoed. |
| */ |
| public void removeTextVetoed(TextInput textInput, Vote reason); |
| |
| /** |
| * Called when text has been removed from a text input. |
| * |
| * @param textInput The source of the event. |
| * @param index The index from which the text was removed. |
| * @param count The number of characters that were removed. |
| */ |
| public void textRemoved(TextInput textInput, int index, int count); |
| |
| /** |
| * Called when a text input's text has changed. |
| * |
| * @param textInput The source of the event. |
| */ |
| public void textChanged(TextInput textInput); |
| } |