| /* |
| * 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 sample.spellcheck.editor; |
| |
| import java.awt.Color; |
| import java.awt.GridBagConstraints; |
| import java.awt.GridBagLayout; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.KeyListener; |
| |
| import javax.swing.JScrollPane; |
| import javax.swing.JTextArea; |
| import javax.swing.JTextField; |
| |
| /** |
| * class sample.google.spellcheck.AsyncPanel |
| * This Impements its own GUI of the Asynchronous Client and it updates the string after getting the response to textarea |
| */ |
| public class AsyncPanel extends javax.swing.JPanel implements Observer, |
| KeyListener { |
| FormModel formModel; |
| JTextArea writingTextArea; |
| JTextArea displayTextArea; |
| JTextField errorMessageField; |
| |
| public AsyncPanel() { |
| GridBagLayout gbLayout = new GridBagLayout(); |
| GridBagConstraints constraint = new GridBagConstraints(); |
| this.setLayout(gbLayout); |
| |
| formModel = new FormModel(this); |
| |
| writingTextArea = new JTextArea(); |
| writingTextArea.setLineWrap(true); |
| |
| displayTextArea = new JTextArea(); |
| displayTextArea.setEditable(false); |
| displayTextArea.setLineWrap(true); |
| |
| errorMessageField = new JTextField(); |
| errorMessageField.setEditable(false); |
| errorMessageField.setBackground(Color.LIGHT_GRAY); |
| errorMessageField.setForeground(Color.RED); |
| |
| JScrollPane scrollPaneGet = new JScrollPane(writingTextArea); |
| JScrollPane scrollPaneSet = new JScrollPane(displayTextArea); |
| |
| writingTextArea.setText("Enter a String"); |
| writingTextArea.addKeyListener(this); |
| |
| constraint.fill = GridBagConstraints.BOTH; |
| constraint.gridx = 0; |
| constraint.weightx = 1; |
| constraint.weighty = 8; |
| gbLayout.setConstraints(scrollPaneGet, constraint); |
| this.add(scrollPaneGet); |
| gbLayout.setConstraints(scrollPaneSet, constraint); |
| this.add(scrollPaneSet); |
| constraint.weighty = 1; |
| gbLayout.setConstraints(errorMessageField, constraint); |
| this.add(errorMessageField); |
| |
| |
| } |
| |
| public void update(String message) { |
| displayTextArea.setText(displayTextArea.getText() + " " + message); |
| } |
| |
| //updates the error message to the error message display area |
| public void updateError(String message) { |
| errorMessageField.setText(message); |
| } |
| |
| |
| public void keyPressed(KeyEvent e) { |
| int key = e.getKeyChar(); |
| if ((key == KeyEvent.VK_SPACE) || (key == KeyEvent.VK_ENTER)) { |
| String[] words = writingTextArea.getText().split("\\s"); |
| if (words.length > 0) |
| formModel.doAsyncSpellingSuggestion(words[words.length - 1]); |
| } |
| } |
| |
| public void keyReleased(KeyEvent e) { |
| } |
| |
| public void keyTyped(KeyEvent e) { |
| } |
| |
| public void clear() { |
| displayTextArea.setText(""); |
| writingTextArea.setText(""); |
| errorMessageField.setText(""); |
| } |
| } |