質問編集履歴
3
コードの不要な部分を削除しました。
test
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テキストを入力する部分のキー入力イベントの補足はなんとかできました。
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以下に
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以下にコードを抜粋して掲載します。
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netBeansで作成中です。自動生成コードも全て掲載しております。
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JComboBoxの変数名:cb1
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JTextAreaの変数名:
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JTextAreaの変数名:ta1
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```java
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package menutest;
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import java.awt.EventQueue;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import javax.swing.ComboBoxModel;
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import javax.swing.JTextField;
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public class shitsumon extends javax.swing.JFrame {
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/**
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* Creates new form shitumon
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*/
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public shitsumon() {
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initComponents();
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if(text.isEmpty()){ //文字入力が無い場合
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ta1.append("文字を入力してください\n");
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} else {
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ta1.append("【" + text + "】が入力されました。\n" );
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}
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}
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/**
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* This method is called from within the constructor to initialize the form.
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* WARNING: Do NOT modify this code. The content of this method is always
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* regenerated by the Form Editor.
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*/
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@SuppressWarnings("unchecked")
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// <editor-fold defaultstate="collapsed" desc="Generated Code">
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private void initComponents() {
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cb1 = new javax.swing.JComboBox<>();
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jScrollPane1 = new javax.swing.JScrollPane();
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TA1 = new javax.swing.JTextArea();
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setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
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cb1.setEditable(true);
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cb1.setFont(new java.awt.Font("MS UI Gothic", 0, 24)); // NOI18N
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cb1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "アイテム1", "アイテム2", "iitem3", "item4" }));
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cb1.setSelectedIndex(-1);
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TA1.setColumns(20);
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TA1.setRows(5);
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jScrollPane1.setViewportView(TA1);
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javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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getContentPane().setLayout(layout);
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layout.setHorizontalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
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.addComponent(jScrollPane1)
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.addComponent(cb1, 0, 419, Short.MAX_VALUE))
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.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(cb1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
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.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 186, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
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);
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pack();
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}// </editor-fold>
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/**
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* @param args the command line arguments
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*/
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public static void main(String args[]) {
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/* Set the Nimbus look and feel */
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//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
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/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
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* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
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*/
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try {
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for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
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if ("Nimbus".equals(info.getName())) {
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javax.swing.UIManager.setLookAndFeel(info.getClassName());
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break;
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}
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}
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} catch (ClassNotFoundException ex) {
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java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (InstantiationException ex) {
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java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (IllegalAccessException ex) {
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java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (javax.swing.UnsupportedLookAndFeelException ex) {
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java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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}
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//</editor-fold>
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/* Create and display the form */
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java.awt.EventQueue.invokeLater(new Runnable() {
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public void run() {
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new shitumon().setVisible(true);
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}
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});
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}
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// Variables declaration - do not modify
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private javax.swing.JTextArea TA1;
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private javax.swing.JComboBox<String> cb1;
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private javax.swing.JScrollPane jScrollPane1;
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// End of variables declaration
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}
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```
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2
不足していた情報を加筆しました。
test
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test
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@@ -22,6 +22,10 @@
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JComboBoxの変数名:cb1
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JTextAreaの変数名:TA1
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```java
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/*
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抽象的で分かりにくかった内容を具体的にしました。
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【実現したいこと】
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編集可能なJComboBoxnにおいて、テキスト入力部分のイベントとリスト部分のイベントを、別々のリスナーで補足したいです。
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特にリスト部分では、項目を選択する際の「エンターキーが押された」というイベントを補足したいです。
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【現状】
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テキストを入力する部分のキー入力イベントの補足はなんとかできました。
|
18
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+
|
19
|
+
以下に全コードをそのまま掲載します。
|
20
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+
|
21
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+
netBeansで作成中です。自動生成コードも全て掲載しております。
|
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+
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23
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+
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24
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+
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```java
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+
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/*
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28
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+
|
29
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+
* To change this license header, choose License Headers in Project Properties.
|
30
|
+
|
31
|
+
* To change this template file, choose Tools | Templates
|
32
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+
|
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* and open the template in the editor.
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34
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+
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*/
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package menutest;
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+
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import java.awt.EventQueue;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import javax.swing.ComboBoxModel;
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import javax.swing.JTextField;
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public class shitsumon extends javax.swing.JFrame {
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61
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+
/**
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+
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* Creates new form shitumon
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*/
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public shitsumon() {
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initComponents();
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JTextField field = (JTextField) cb1.getEditor().getEditorComponent();
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class KeyTest extends KeyAdapter {
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public void keyTyped(KeyEvent e){
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EventQueue.invokeLater(new Runnable() {
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@Override public void run() {
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JTextField tfd = (JTextField) cb1.getEditor().getEditorComponent();
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String text = tfd.getText();
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if(text.isEmpty()){ //文字入力が無い場合
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TA1.append("文字を入力してください\n");
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+
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} else {
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TA1.append("【" + text + "】が入力されました。\n" );
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}
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}
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});
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}
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}
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KeyListener kl = new KeyTest();
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field.addKeyListener(kl);
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}
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/**
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+
|
119
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+
* This method is called from within the constructor to initialize the form.
|
120
|
+
|
121
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+
* WARNING: Do NOT modify this code. The content of this method is always
|
122
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+
|
123
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+
* regenerated by the Form Editor.
|
124
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+
|
125
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+
*/
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+
|
127
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+
@SuppressWarnings("unchecked")
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+
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129
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+
// <editor-fold defaultstate="collapsed" desc="Generated Code">
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+
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+
private void initComponents() {
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+
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+
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cb1 = new javax.swing.JComboBox<>();
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jScrollPane1 = new javax.swing.JScrollPane();
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TA1 = new javax.swing.JTextArea();
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+
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setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
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cb1.setEditable(true);
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cb1.setFont(new java.awt.Font("MS UI Gothic", 0, 24)); // NOI18N
|
150
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+
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151
|
+
cb1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "アイテム1", "アイテム2", "iitem3", "item4" }));
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+
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+
cb1.setSelectedIndex(-1);
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+
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TA1.setColumns(20);
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TA1.setRows(5);
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+
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jScrollPane1.setViewportView(TA1);
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+
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163
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+
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164
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+
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165
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+
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
|
166
|
+
|
167
|
+
getContentPane().setLayout(layout);
|
168
|
+
|
169
|
+
layout.setHorizontalGroup(
|
170
|
+
|
171
|
+
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
|
172
|
+
|
173
|
+
.addGroup(layout.createSequentialGroup()
|
174
|
+
|
175
|
+
.addContainerGap()
|
176
|
+
|
177
|
+
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
|
178
|
+
|
179
|
+
.addComponent(jScrollPane1)
|
180
|
+
|
181
|
+
.addComponent(cb1, 0, 419, Short.MAX_VALUE))
|
182
|
+
|
183
|
+
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
|
184
|
+
|
185
|
+
);
|
186
|
+
|
187
|
+
layout.setVerticalGroup(
|
188
|
+
|
189
|
+
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
|
190
|
+
|
191
|
+
.addGroup(layout.createSequentialGroup()
|
192
|
+
|
193
|
+
.addContainerGap()
|
194
|
+
|
195
|
+
.addComponent(cb1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
|
196
|
+
|
197
|
+
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
|
198
|
+
|
199
|
+
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 186, javax.swing.GroupLayout.PREFERRED_SIZE)
|
200
|
+
|
201
|
+
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
|
202
|
+
|
203
|
+
);
|
204
|
+
|
205
|
+
|
206
|
+
|
207
|
+
pack();
|
208
|
+
|
209
|
+
}// </editor-fold>
|
210
|
+
|
211
|
+
|
212
|
+
|
213
|
+
/**
|
214
|
+
|
215
|
+
* @param args the command line arguments
|
216
|
+
|
217
|
+
*/
|
218
|
+
|
219
|
+
public static void main(String args[]) {
|
220
|
+
|
221
|
+
/* Set the Nimbus look and feel */
|
222
|
+
|
223
|
+
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
|
224
|
+
|
225
|
+
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
|
226
|
+
|
227
|
+
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
|
228
|
+
|
229
|
+
*/
|
230
|
+
|
231
|
+
try {
|
232
|
+
|
233
|
+
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
|
234
|
+
|
235
|
+
if ("Nimbus".equals(info.getName())) {
|
236
|
+
|
237
|
+
javax.swing.UIManager.setLookAndFeel(info.getClassName());
|
238
|
+
|
239
|
+
break;
|
240
|
+
|
241
|
+
}
|
242
|
+
|
243
|
+
}
|
244
|
+
|
245
|
+
} catch (ClassNotFoundException ex) {
|
246
|
+
|
247
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
248
|
+
|
249
|
+
} catch (InstantiationException ex) {
|
250
|
+
|
251
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
252
|
+
|
253
|
+
} catch (IllegalAccessException ex) {
|
254
|
+
|
255
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
256
|
+
|
257
|
+
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
|
258
|
+
|
259
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
260
|
+
|
261
|
+
}
|
262
|
+
|
263
|
+
//</editor-fold>
|
264
|
+
|
265
|
+
|
266
|
+
|
267
|
+
/* Create and display the form */
|
268
|
+
|
269
|
+
java.awt.EventQueue.invokeLater(new Runnable() {
|
270
|
+
|
271
|
+
public void run() {
|
272
|
+
|
273
|
+
new shitumon().setVisible(true);
|
274
|
+
|
275
|
+
}
|
276
|
+
|
277
|
+
});
|
278
|
+
|
279
|
+
}
|
280
|
+
|
281
|
+
|
282
|
+
|
283
|
+
// Variables declaration - do not modify
|
284
|
+
|
285
|
+
private javax.swing.JTextArea TA1;
|
286
|
+
|
287
|
+
private javax.swing.JComboBox<String> cb1;
|
288
|
+
|
289
|
+
private javax.swing.JScrollPane jScrollPane1;
|
290
|
+
|
291
|
+
// End of variables declaration
|
292
|
+
|
293
|
+
}
|
294
|
+
|
295
|
+
```
|
296
|
+
|
297
|
+
|
298
|
+
|
299
|
+
ご助力頂けますと幸いです。
|
24
300
|
|
25
301
|
宜しくお願い致します。
|