[英]resize problem with JList?
我正在調整JList的大小...下面是我的代碼...我的要求是將一個固定大小的JList添加到Panel中,當我最大化/最小化Frame時,JList應該相應地增加/減少。請幫助我..如何實現?
以下是設計:
嗨,卡爾,它在簡單的情況下有效,但在上述情況下不起作用。 所以我現在解釋上面的代碼..
我有一個名為“ TestListControl”的GB布局框架。 添加具有GB布局的selectDevicesPanel。 在selectDevicesPanel中:添加具有GB布局的selectNamesInnerPanel在selectNamesInnerPanel中:添加具有GB布局的selectNameAddPanel添加具有流布局的selectTeamPanel在selectNameAddPanel:selectDeviceScrollPane clickToAddDeletePanel selectedNameScrollPane在selectTeamPanel中:selectTeamLabel selectTeamComboBox
public class TestListControl extends javax.swing.JFrame {
public TestListControl() {
initComponents();
}
private void initComponents() {
java.awt.GridBagConstraints gridBagConstraints;
selectDevicesPanel = new javax.swing.JPanel();
selectNamesInnerPanel = new javax.swing.JPanel();
selectNameAddPanel = new javax.swing.JPanel();
chooseDeviceScrollPane = new javax.swing.JScrollPane();
chooseNamesList = new javax.swing.JList();
clickToAddDeletePanel = new javax.swing.JPanel();
clickToAddButton = new javax.swing.JButton();
clickToRemoveButton = new javax.swing.JButton();
selectedNameScrollPane = new javax.swing.JScrollPane();
selectedNamesList = new javax.swing.JList();
selectNameLabel = new javax.swing.JLabel();
selectTeamPanel = new javax.swing.JPanel();
selectTeamLabel = new javax.swing.JLabel();
selectTeamComboBox = new javax.swing.JComboBox();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
selectDevicesPanel.setBorder(javax.swing.BorderFactory
.createTitledBorder("Member Selection"));
selectDevicesPanel.setLayout(new java.awt.GridBagLayout());
selectNamesInnerPanel.setLayout(new java.awt.GridBagLayout());
selectNameAddPanel.setLayout(new java.awt.GridBagLayout());
chooseNamesList.setModel(new javax.swing.AbstractListModel() {
String[] strings = { "XXXX", "YYYY", "ZZZZ" };
public int getSize() {
return strings.length;
}
public Object getElementAt(int i) {
return strings[i];
}
});
chooseNamesList.setMaximumSize(new java.awt.Dimension(46, 88));
chooseNamesList.setMinimumSize(new java.awt.Dimension(94, 98));
chooseDeviceScrollPane.setViewportView(chooseNamesList);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
gridBagConstraints.insets = new java.awt.Insets(0, 12, 7, 0);
selectNameAddPanel.add(chooseDeviceScrollPane, gridBagConstraints);
clickToAddDeletePanel.setLayout(new java.awt.GridBagLayout());
clickToAddButton.setText(">>");
clickToAddDeletePanel.add(clickToAddButton,
new java.awt.GridBagConstraints());
clickToRemoveButton.setText("<<");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 2;
clickToAddDeletePanel.add(clickToRemoveButton, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 2;
gridBagConstraints.insets = new java.awt.Insets(0, 5, 0, 5);
selectNameAddPanel.add(clickToAddDeletePanel, gridBagConstraints);
selectedNamesList.setModel(new javax.swing.AbstractListModel() {
String[] strings = { "XXXX", "YYYY" };
public int getSize() {
return strings.length;
}
public Object getElementAt(int i) {
return strings[i];
}
});
selectedNamesList.setMinimumSize(new java.awt.Dimension(94, 98));
selectedNameScrollPane.setViewportView(selectedNamesList);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 2;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
gridBagConstraints.insets = new java.awt.Insets(0, 0, 6, 0);
selectNameAddPanel.add(selectedNameScrollPane, gridBagConstraints);
selectNameLabel.setText("Select Name");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.insets = new java.awt.Insets(0, 0, 8, 0);
selectNameAddPanel.add(selectNameLabel, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
selectNamesInnerPanel.add(selectNameAddPanel, gridBagConstraints);
selectTeamLabel.setText("Select Team");
selectTeamPanel.add(selectTeamLabel);
selectTeamComboBox.setModel(new javax.swing.DefaultComboBoxModel(
new String[] { "TEAM X", "TEAM Y", "TEAM Z" }));
selectTeamComboBox
.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
selectTeamComboBoxActionPerformed(evt);
}
});
selectTeamPanel.add(selectTeamComboBox);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
selectNamesInnerPanel.add(selectTeamPanel, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
selectDevicesPanel.add(selectNamesInnerPanel, gridBagConstraints);
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(
getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(layout.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING).add(0, 400,
Short.MAX_VALUE).add(
layout.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING).add(
layout.createSequentialGroup().add(0, 107,
Short.MAX_VALUE).add(selectDevicesPanel,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
185,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(0, 108, Short.MAX_VALUE))));
layout.setVerticalGroup(layout.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING).add(0, 300,
Short.MAX_VALUE).add(
layout.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING).add(
layout.createSequentialGroup().add(0, 39,
Short.MAX_VALUE).add(selectDevicesPanel,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
221,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(0, 40, Short.MAX_VALUE))));
pack();
}
private void selectTeamComboBoxActionPerformed(
java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new TestListControl().setVisible(true);
}
});
}
private javax.swing.JScrollPane chooseDeviceScrollPane;
private javax.swing.JList chooseNamesList;
private javax.swing.JButton clickToAddButton;
private javax.swing.JPanel clickToAddDeletePanel;
private javax.swing.JButton clickToRemoveButton;
private javax.swing.JPanel selectDevicesPanel;
private javax.swing.JPanel selectNameAddPanel;
private javax.swing.JLabel selectNameLabel;
private javax.swing.JPanel selectNamesInnerPanel;
private javax.swing.JComboBox selectTeamComboBox;
private javax.swing.JLabel selectTeamLabel;
private javax.swing.JPanel selectTeamPanel;
private javax.swing.JScrollPane selectedNameScrollPane;
private javax.swing.JList selectedNamesList;
}
如果您這樣做,您的列表將不會變得更大:
chooseNamesList.setMaximumSize(new java.awt.Dimension(46, 88));
如果設置原型單元格值,則更改數據時JList不會調整大小。
有關setPrototypeCellValue(Object)方法的信息,請參見JList Javadoc頁面 。
伙計們,我自己解決了這個問題..謝謝您的協調..實際上我犯了一個錯誤,即給擁有Jlist和JEditor窗格的父面板賦予weightx和weighty……簡而言之,我們需要設置包含要調整大小的任何組件的所有父容器的重量參數。
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