Java仿千千静听音乐播放器源代码(3)

private JMenuItem cut = new JMenuItem(\剪切 \); private JMenuItem paste = new JMenuItem(\粘贴 \); private JMenuItem selectAll = new JMenuItem(\全选 \); private JMenuItem delete = new JMenuItem(\删除 \); private Font font = new Font(\宋体\, 0, 12); public LTextField() { }

public LTextField(int column) { }

public LTextField(int column, String text) { }

public LTextField(String text) { }

public void focusGained(FocusEvent e) {

this.setText(text);

this.addFocusListener(this); this.addKeyListener(this);

this.setSelectionColor(new Color(0, 80, 140)); this.setSelectedTextColor(Color.white); this.addMouseListener(this); copy.setFont(font); cut.setFont(font); paste.setFont(font); selectAll.setFont(font); delete.setFont(font);

copy.addActionListener(this); cut.addActionListener(this); paste.addActionListener(this); selectAll.addActionListener(this); delete.addActionListener(this); popup.add(cut); popup.add(copy); popup.add(paste); popup.add(delete); popup.addSeparator(); popup.add(selectAll); this(text);

this.setColumns(column); this(column, \); this(\);

- 11 -

}

this.selectAll();

public void focusLost(FocusEvent e) { }

public void keyPressed(KeyEvent e) { }

public void keyReleased(KeyEvent e) { }

public void keyTyped(KeyEvent e) { }

public void actionPerformed(ActionEvent e) { }

public void mouseClicked(MouseEvent e) {

if (e.getButton() == MouseEvent.BUTTON3) {

this.requestFocus();

if (this.getText().length() < 1) {

copy.setEnabled(false); cut.setEnabled(false); selectAll.setEnabled(false); delete.setEnabled(false); copy.setEnabled(true); cut.setEnabled(true); selectAll.setEnabled(true);

Object source = e.getSource(); if (source == cut)

this.cut(); this.copy(); this.paste(); this.selectAll();

this.replaceSelection(\); else if (source == copy) else if (source == paste) else if (source == selectAll) else if (source == delete)

if (e.getKeyCode() == KeyEvent.VK_ENTER) { }

this.transferFocus();

} else {

- 12 -

}

}

}

}

if (this.getSelectedText() != null)

delete.setEnabled(true); delete.setEnabled(false); else

popup.show(this, e.getX(), e.getY());

public void mouseEntered(MouseEvent e) { }

public void mouseExited(MouseEvent e) { }

public void mousePressed(MouseEvent e) { }

public void mouseReleased(MouseEvent e) { }

ProgressBar.java

package eb.cstop.swing;

import javax.swing.JLabel; import java.awt.*;

import java.awt.event.MouseListener; import java.awt.event.MouseEvent;

import java.awt.event.MouseMotionListener; import java.util.ArrayList;

import java.awt.event.MouseWheelListener; import java.awt.event.MouseWheelEvent;

public class ProgressBar extends JLabel implements MouseListener,

MouseMotionListener, MouseWheelListener { private int value = 0; private int minLimit = 0; private int maxLimit = 100; private float alpha = 0.7f;

private Color border = new Color(0, 0, 0); private Color color = new Color(250, 160, 0); private ArrayList changeListener = new ArrayList(); private ProgressBarEvent event = new ProgressBarEvent();

- 13 -

public int getMaxLimit() {

public void setMaxLimit(int value) { }

if (value > 0)

maxLimit = value; maxLimit = 100; else

public int getMinLimt() { }

return minLimit;

public void setMinLimt(int value) { }

if (value > 0)

minLimit = value; minLimit = 0; else

public boolean removeProgressBarListener(ProgressBarListener listener) { }

return changeListener.remove(listener);

public void addProgressBarListener(ProgressBarListener listener) { }

changeListener.add(listener); public float getAlpha() { }

return alpha;

public void setAlpha(float alpha) { }

this.alpha = alpha; this.repaint(); public ProgressBar() { }

this.setPreferredSize(new Dimension(-1, 5)); this.addMouseListener(this); this.addMouseMotionListener(this); this.addMouseWheelListener(this);

- 14 -

}

return maxLimit;

public void setValueForChange(int value) { }

public void setValue(int value) { }

public int getValue() { }

public void setBorderColor(Color border) {

return value;

if (value == this.value)

return; return; return;

this.value = value; value = 0;

if (value < minLimit) else if (value > maxLimit) if (value >= minLimit) else

this.repaint();

ProgressBarListener listener = null; event.setValue(value);

event.setComparison((int) (((float) value / maxLimit) * 100.0f)); for (int i = 0; i < changeListener.size(); i++) { }

listener = (ProgressBarListener) changeListener.get(i); event.setSource(listener); listener.valueChanged(event); if (value == this.value)

return; return; return;

this.value = value; value = 0;

if (value < minLimit) else if (value > maxLimit) if (value >= minLimit) else

this.repaint();

- 15 -