滑動任何JPanel

我試圖做一個通用類來滑動兩個任何相同的JPanel，但是當我使用它時，滑動的那個就會消失。我也注意到的是，JPanel的「innerPanel」的寬度是線程啓動後滑動任何JPanel

package org.chimeras1684.ui.panels; 

import java.awt.Point; 
import java.util.Date; 
import java.util.Timer; 
import java.util.TimerTask; 
import javax.swing.JFrame; 
import javax.swing.JPanel; 
import javax.swing.JViewport; 

/** 
* 
* @author Arhowk 
*/ 
public final class Transistor extends javax.swing.JFrame { 

/** 
* Creates new form test 
*/ 
public enum TDirection{ 
    MOVING_TO_LEFT, 
    MOVING_TO_RIGHT, 
    MOVING_TO_TOP, 
    MOVING_TO_BOTTOM; 
} 
private static Transistor instance; 
static{ 
    instance = new Transistor(); 
} 
public static Transistor getInstance(){ 
    return instance; 
} 
private Transistor() { 
    initComponents(); 
    setVisible(true); 
    slide(TDirection.MOVING_TO_TOP, this, jPanel2, jPanel1); 
} 

public void slide(final TDirection dir, final JFrame root, final JPanel in, final JPanel out){ 
    if(in.getSize().height != out.getSize().height || out.getSize().width != in.getSize().width){ 
     throw new IllegalArgumentException("Dimension in is not equal to dimension of out"); 
    } 
    panelTL.removeAll(); 
    panelBL.removeAll(); 
    panelBR.removeAll(); 
    panelTR.validate(); 
    panelTR.repaint(); 
    panelTL.validate(); 
    panelTL.repaint(); 
    panelBR.validate(); 
    panelBR.repaint(); 
    panelBL.validate(); 
    panelBL.repaint(); 
    final double width = in.getSize().width; 
    final double height = in.getSize().height; 

    int x = out.getLocation().x; 
    int y = out.getLocation().y; 

    final double speedWidthModifier = (dir == TDirection.MOVING_TO_LEFT) ? -1 : (dir == TDirection.MOVING_TO_RIGHT) ? 1 : 0; 
    final double speedHeightModifier = (dir == TDirection.MOVING_TO_BOTTOM) ? -1 : (dir == TDirection.MOVING_TO_TOP) ? 1 : 0; 

    final double xAtEnd = (dir == TDirection.MOVING_TO_RIGHT) ? width : 0; 
    final double yAtEnd = (dir == TDirection.MOVING_TO_BOTTOM) ? height : 0; 

    if(dir == TDirection.MOVING_TO_LEFT){ 
     panelTR.setSize(200,200); 
     panelTL.setSize(200,200); 
     panelTL.add(in); 
     panelTR.add(out); 
    } 
    if(dir == TDirection.MOVING_TO_RIGHT){ 
     panelTR.setSize(200,200); 
     panelTL.setSize(200,200); 
     panelTL.add(out); 
     panelTR.add(in); 
    } 
    if(dir == TDirection.MOVING_TO_BOTTOM){ 
     panelBL.setSize(200,200); 
     panelTL.setSize(200,200); 
     panelBL.add(in); 
     panelTL.add(out); 
    } 
    if(dir == TDirection.MOVING_TO_TOP){ 
     panelBL.setSize(200,200); 
     panelTL.setSize(200,200); 
     panelBL.add(out); 
     panelTL.add(in); 
    } 
    root.remove(out); 
    scrollPanel.setSize(in.getSize()); 
    innerPanel.setSize(in.getSize().width * 2, in.getSize().height); 
    root.add(scrollPanel); 
    scrollPanel.setLocation(x, y); 
    if(speedWidthModifier == 0 && speedHeightModifier == 0){ 
     throw new NullPointerException("TDirection dir"); 
    } 
    System.out.println(new Date()); 
      System.out.println("tlsize1: " + panelTL.getSize()); 

    (new Timer()).schedule(new TimerTask(){ 
     @Override 
     public void run() { 
      System.out.println("tlsize1: " + panelTL.getSize()); 
    System.out.println(new Date()); 

      Point viewport = scrollPanel.getViewport().getViewPosition(); 
      JViewport newViewport = scrollPanel.getViewport(); 

      double currentX = viewport.x; 
      double currentY = viewport.y; 

      double speed = 50; 

      double newX = currentX + (speed * speedWidthModifier); 
      double newY = currentY + (speed * speedHeightModifier); 

      newViewport.getViewPosition().x = (int)newX; 
      newViewport.getViewPosition().y = (int)newY; 

      if((xAtEnd != 0 && newX > xAtEnd) || (yAtEnd != 0 && newY > yAtEnd)){ 
       this.cancel(); 
      } 

      root.repaint(); 
      System.out.println("tlsize2: " + panelTL.getSize()); 
     } 

    }, 0,25); 
} 

/** 
* This method is called from within the constructor to initialize the form. 
* WARNING: Do NOT modify this code. The content of this method is always 
* regenerated by the Form Editor. 
*/ 
@SuppressWarnings("unchecked") 
// <editor-fold defaultstate="collapsed" desc="Generated Code">       
private void initComponents() { 
    java.awt.GridBagConstraints gridBagConstraints; 

    scrollPanel = new javax.swing.JScrollPane(); 
    innerPanel = new javax.swing.JPanel(); 
    panelTL = new javax.swing.JPanel(); 
    panelTR = new javax.swing.JPanel(); 
    panelBL = new javax.swing.JPanel(); 
    panelBR = new javax.swing.JPanel(); 
    jPanel1 = new javax.swing.JPanel(); 
    jPanel2 = new javax.swing.JPanel(); 

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); 

    scrollPanel.setBorder(null); 
    scrollPanel.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); 
    scrollPanel.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER); 

    innerPanel.setBackground(new java.awt.Color(255, 0, 153)); 
    innerPanel.setLayout(new java.awt.GridBagLayout()); 

    panelTL.setAutoscrolls(true); 
    panelTL.setPreferredSize(new java.awt.Dimension(0, 0)); 

    javax.swing.GroupLayout panelTLLayout = new javax.swing.GroupLayout(panelTL); 
    panelTL.setLayout(panelTLLayout); 
    panelTLLayout.setHorizontalGroup(
     panelTLLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 
    panelTLLayout.setVerticalGroup(
     panelTLLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 

    gridBagConstraints = new java.awt.GridBagConstraints(); 
    gridBagConstraints.gridx = 0; 
    gridBagConstraints.gridy = 0; 
    innerPanel.add(panelTL, gridBagConstraints); 

    panelTR.setPreferredSize(new java.awt.Dimension(0, 0)); 

    javax.swing.GroupLayout panelTRLayout = new javax.swing.GroupLayout(panelTR); 
    panelTR.setLayout(panelTRLayout); 
    panelTRLayout.setHorizontalGroup(
     panelTRLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 
    panelTRLayout.setVerticalGroup(
     panelTRLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 

    gridBagConstraints = new java.awt.GridBagConstraints(); 
    gridBagConstraints.gridx = 1; 
    gridBagConstraints.gridy = 0; 
    innerPanel.add(panelTR, gridBagConstraints); 

    panelBL.setPreferredSize(new java.awt.Dimension(0, 0)); 

    javax.swing.GroupLayout panelBLLayout = new javax.swing.GroupLayout(panelBL); 
    panelBL.setLayout(panelBLLayout); 
    panelBLLayout.setHorizontalGroup(
     panelBLLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 
    panelBLLayout.setVerticalGroup(
     panelBLLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 

    gridBagConstraints = new java.awt.GridBagConstraints(); 
    gridBagConstraints.gridx = 0; 
    gridBagConstraints.gridy = 1; 
    innerPanel.add(panelBL, gridBagConstraints); 

    panelBR.setBackground(new java.awt.Color(204, 0, 51)); 
    panelBR.setPreferredSize(new java.awt.Dimension(0, 0)); 

    javax.swing.GroupLayout panelBRLayout = new javax.swing.GroupLayout(panelBR); 
    panelBR.setLayout(panelBRLayout); 
    panelBRLayout.setHorizontalGroup(
     panelBRLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 
    panelBRLayout.setVerticalGroup(
     panelBRLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 100, Short.MAX_VALUE) 
    ); 

    gridBagConstraints = new java.awt.GridBagConstraints(); 
    gridBagConstraints.gridx = 1; 
    gridBagConstraints.gridy = 1; 
    innerPanel.add(panelBR, gridBagConstraints); 

    scrollPanel.setViewportView(innerPanel); 

    jPanel1.setBackground(new java.awt.Color(204, 153, 0)); 

    javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); 
    jPanel1.setLayout(jPanel1Layout); 
    jPanel1Layout.setHorizontalGroup(
     jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 200, Short.MAX_VALUE) 
    ); 
    jPanel1Layout.setVerticalGroup(
     jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 200, Short.MAX_VALUE) 
    ); 

    jPanel2.setBackground(new java.awt.Color(255, 255, 0)); 

    javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2); 
    jPanel2.setLayout(jPanel2Layout); 
    jPanel2Layout.setHorizontalGroup(
     jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 200, Short.MAX_VALUE) 
    ); 
    jPanel2Layout.setVerticalGroup(
     jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGap(0, 200, Short.MAX_VALUE) 
    ); 

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); 
    getContentPane().setLayout(layout); 
    layout.setHorizontalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(layout.createSequentialGroup() 
      .addComponent(scrollPanel, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addGap(109, 109, 109) 
      .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addGap(0, 90, Short.MAX_VALUE)) 
     .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() 
      .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
      .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addGap(78, 78, 78)) 
    ); 
    layout.setVerticalGroup(
     layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
     .addGroup(layout.createSequentialGroup() 
      .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
       .addComponent(scrollPanel, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE) 
       .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) 
      .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
      .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) 
      .addGap(35, 35, 35)) 
    ); 

    pack(); 
}// </editor-fold>       

/** 
* @param args the command line arguments 
*/ 
public static void main(String args[]) { 
    /* Set the Nimbus look and feel */ 
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> 
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. 
    * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
    */ 
    try { 
     for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { 
      if ("Nimbus".equals(info.getName())) { 
       javax.swing.UIManager.setLookAndFeel(info.getClassName()); 
       break; 
      } 
     } 
    } catch (ClassNotFoundException ex) { 
     java.util.logging.Logger.getLogger(Transistor.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
    } catch (InstantiationException ex) { 
     java.util.logging.Logger.getLogger(Transistor.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
    } catch (IllegalAccessException ex) { 
     java.util.logging.Logger.getLogger(Transistor.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
    } catch (javax.swing.UnsupportedLookAndFeelException ex) { 
     java.util.logging.Logger.getLogger(Transistor.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
    } 
    //</editor-fold> 

    /* Create and display the form */ 
    java.awt.EventQueue.invokeLater(new Runnable() { 
     public void run() { 
      new Transistor().setVisible(true); 
     } 
    }); 
} 
// Variables declaration - do not modify      
private javax.swing.JPanel innerPanel; 
private javax.swing.JPanel jPanel1; 
private javax.swing.JPanel jPanel2; 
private javax.swing.JPanel panelBL; 
private javax.swing.JPanel panelBR; 
private javax.swing.JPanel panelTL; 
private javax.swing.JPanel panelTR; 
private javax.swing.JScrollPane scrollPanel; 
// End of variables declaration     
}

是的，我知道的大小被重置爲200,200被重置（transisting一個200,200面板時）從400,200類擴展了JFrame，我只是將它用於測試目的。（我也不確定如何修正此頁面上的縮進）

來源

2013-07-12 Arhowk

Swing中的組件通常在佈局管理器的控制下。要實現你想要做的事情，你實際上會更好地創建一個動畫布局管理器。

我建議你看一看......

你也可以看看Animations when using Gridbag Layout.（無恥插頭）

來源

2013-07-13 00:28:40 MadProgrammer

這是真的只有對於一個項目，所以我沒有看到需要創建一個新的佈局管理器...另外，我試過使用滑動佈局，但API真的很難o按照。此外，它們受GridBag佈局控制 – Arhowk

您面臨的問題是，您的組件處於佈局管理器的控制之下。因此，任何嘗試修改位置的組件大小都將由佈局管理器計算。最後一個例子使用代理佈局管理器，並提供動畫層，所以它應該（理論上）與其他佈局管理器一起工作 – MadProgrammer

我不認爲它與佈局管理器有關，它仍然給我與空佈局相同的問題（大小和位置在每次重繪時都會重置） – Arhowk

滑動任何JPanel

回答

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