質問編集履歴
3
コードの不要な部分を削除しました。
title
CHANGED
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File without changes
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body
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@@ -7,34 +7,11 @@
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7
7
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8
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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。
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10
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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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11
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JComboBoxの変数名：cb1
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14
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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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-
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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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/**
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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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@@ -45,9 +22,9 @@
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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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-
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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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-
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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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@@ -56,97 +33,6 @@
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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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* 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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-
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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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/**
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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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36
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```
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152
38
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ご助力頂けますと幸いです。
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2
不足していた情報を加筆しました。
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -10,6 +10,8 @@
|
|
|
10
10
|
以下に全コードをそのまま掲載します。
|
|
11
11
|
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。
|
|
12
12
|
|
|
13
|
+
JComboBoxの変数名：cb1
|
|
14
|
+
JTextAreaの変数名：TA1
|
|
13
15
|
```java
|
|
14
16
|
/*
|
|
15
17
|
* To change this license header, choose License Headers in Project Properties.
|
1
抽象的で分かりにくかった内容を具体的にしました。
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -1,13 +1,151 @@
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1
1
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javaの勉強を始めて間もない初心者です。
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2
2
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見当違いな質問をしていましたらすみません。
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3
3
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4
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+
【実現したいこと】
|
|
4
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-
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5
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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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6
|
+
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。
|
|
5
7
|
|
|
8
|
+
【現状】
|
|
6
|
-
|
|
9
|
+
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。
|
|
10
|
+
以下に全コードをそのまま掲載します。
|
|
7
|
-
|
|
11
|
+
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。
|
|
8
12
|
|
|
13
|
+
```java
|
|
14
|
+
/*
|
|
15
|
+
* To change this license header, choose License Headers in Project Properties.
|
|
9
|
-
|
|
16
|
+
* To change this template file, choose Tools | Templates
|
|
17
|
+
* and open the template in the editor.
|
|
18
|
+
*/
|
|
19
|
+
package menutest;
|
|
10
20
|
|
|
21
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+
import java.awt.EventQueue;
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|
22
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+
import java.awt.event.KeyAdapter;
|
|
23
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+
import java.awt.event.KeyEvent;
|
|
11
|
-
|
|
24
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+
import java.awt.event.KeyListener;
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|
25
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+
import javax.swing.ComboBoxModel;
|
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26
|
+
import javax.swing.JTextField;
|
|
12
27
|
|
|
28
|
+
|
|
29
|
+
public class shitsumon extends javax.swing.JFrame {
|
|
30
|
+
|
|
31
|
+
/**
|
|
32
|
+
* Creates new form shitumon
|
|
33
|
+
*/
|
|
34
|
+
public shitsumon() {
|
|
35
|
+
initComponents();
|
|
36
|
+
|
|
37
|
+
JTextField field = (JTextField) cb1.getEditor().getEditorComponent();
|
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38
|
+
|
|
39
|
+
class KeyTest extends KeyAdapter {
|
|
40
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+
public void keyTyped(KeyEvent e){
|
|
41
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+
EventQueue.invokeLater(new Runnable() {
|
|
42
|
+
@Override public void run() {
|
|
43
|
+
JTextField tfd = (JTextField) cb1.getEditor().getEditorComponent();
|
|
44
|
+
String text = tfd.getText();
|
|
45
|
+
if(text.isEmpty()){ //文字入力が無い場合
|
|
46
|
+
TA1.append("文字を入力してください\n");
|
|
47
|
+
} else {
|
|
48
|
+
TA1.append("【" + text + "】が入力されました。\n" );
|
|
49
|
+
}
|
|
50
|
+
}
|
|
51
|
+
});
|
|
52
|
+
}
|
|
53
|
+
}
|
|
54
|
+
KeyListener kl = new KeyTest();
|
|
55
|
+
field.addKeyListener(kl);
|
|
56
|
+
|
|
57
|
+
}
|
|
58
|
+
|
|
59
|
+
/**
|
|
60
|
+
* This method is called from within the constructor to initialize the form.
|
|
61
|
+
* WARNING: Do NOT modify this code. The content of this method is always
|
|
62
|
+
* regenerated by the Form Editor.
|
|
63
|
+
*/
|
|
64
|
+
@SuppressWarnings("unchecked")
|
|
65
|
+
// <editor-fold defaultstate="collapsed" desc="Generated Code">
|
|
66
|
+
private void initComponents() {
|
|
67
|
+
|
|
68
|
+
cb1 = new javax.swing.JComboBox<>();
|
|
69
|
+
jScrollPane1 = new javax.swing.JScrollPane();
|
|
70
|
+
TA1 = new javax.swing.JTextArea();
|
|
71
|
+
|
|
72
|
+
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
|
|
73
|
+
|
|
74
|
+
cb1.setEditable(true);
|
|
75
|
+
cb1.setFont(new java.awt.Font("MS UI Gothic", 0, 24)); // NOI18N
|
|
76
|
+
cb1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "アイテム1", "アイテム2", "iitem3", "item4" }));
|
|
77
|
+
cb1.setSelectedIndex(-1);
|
|
78
|
+
|
|
79
|
+
TA1.setColumns(20);
|
|
80
|
+
TA1.setRows(5);
|
|
81
|
+
jScrollPane1.setViewportView(TA1);
|
|
82
|
+
|
|
83
|
+
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
|
|
84
|
+
getContentPane().setLayout(layout);
|
|
85
|
+
layout.setHorizontalGroup(
|
|
86
|
+
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
|
|
87
|
+
.addGroup(layout.createSequentialGroup()
|
|
88
|
+
.addContainerGap()
|
|
89
|
+
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
|
|
90
|
+
.addComponent(jScrollPane1)
|
|
91
|
+
.addComponent(cb1, 0, 419, Short.MAX_VALUE))
|
|
92
|
+
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
|
|
93
|
+
);
|
|
94
|
+
layout.setVerticalGroup(
|
|
95
|
+
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
|
|
96
|
+
.addGroup(layout.createSequentialGroup()
|
|
97
|
+
.addContainerGap()
|
|
98
|
+
.addComponent(cb1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
|
|
99
|
+
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
|
|
100
|
+
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 186, javax.swing.GroupLayout.PREFERRED_SIZE)
|
|
101
|
+
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
|
|
102
|
+
);
|
|
103
|
+
|
|
104
|
+
pack();
|
|
105
|
+
}// </editor-fold>
|
|
106
|
+
|
|
107
|
+
/**
|
|
108
|
+
* @param args the command line arguments
|
|
109
|
+
*/
|
|
110
|
+
public static void main(String args[]) {
|
|
111
|
+
/* Set the Nimbus look and feel */
|
|
112
|
+
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
|
|
113
|
+
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
|
|
114
|
+
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
|
|
115
|
+
*/
|
|
116
|
+
try {
|
|
117
|
+
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
|
|
118
|
+
if ("Nimbus".equals(info.getName())) {
|
|
119
|
+
javax.swing.UIManager.setLookAndFeel(info.getClassName());
|
|
120
|
+
break;
|
|
121
|
+
}
|
|
122
|
+
}
|
|
123
|
+
} catch (ClassNotFoundException ex) {
|
|
124
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
|
125
|
+
} catch (InstantiationException ex) {
|
|
126
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
|
127
|
+
} catch (IllegalAccessException ex) {
|
|
128
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
|
129
|
+
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
|
|
130
|
+
java.util.logging.Logger.getLogger(shitumon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
|
|
131
|
+
}
|
|
132
|
+
//</editor-fold>
|
|
133
|
+
|
|
134
|
+
/* Create and display the form */
|
|
135
|
+
java.awt.EventQueue.invokeLater(new Runnable() {
|
|
136
|
+
public void run() {
|
|
137
|
+
new shitumon().setVisible(true);
|
|
138
|
+
}
|
|
139
|
+
});
|
|
140
|
+
}
|
|
141
|
+
|
|
142
|
+
// Variables declaration - do not modify
|
|
143
|
+
private javax.swing.JTextArea TA1;
|
|
144
|
+
private javax.swing.JComboBox<String> cb1;
|
|
145
|
+
private javax.swing.JScrollPane jScrollPane1;
|
|
146
|
+
// End of variables declaration
|
|
147
|
+
}
|
|
148
|
+
```
|
|
149
|
+
|
|
150
|
+
ご助力頂けますと幸いです。
|
|
13
151
|
宜しくお願い致します。
|