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  1. 585
      designer_base/src/com/fr/design/gui/ilist/CheckBoxList.java

585
designer_base/src/com/fr/design/gui/ilist/CheckBoxList.java
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@ -1,311 +1,300 @@
package com.fr.design.gui.ilist; package com.fr.design.gui.ilist;
import java.awt.BorderLayout; import com.fr.design.gui.icheckbox.UICheckBox;
import java.awt.Component; import com.fr.stable.StringUtils;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener; import javax.swing.*;
import java.awt.event.KeyAdapter; import javax.swing.border.Border;
import java.awt.event.KeyEvent; import javax.swing.border.EmptyBorder;
import java.awt.event.MouseAdapter; import java.awt.*;
import java.awt.event.MouseEvent; import java.awt.event.*;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.EventListener; import java.util.EventListener;
import java.util.List; import java.util.List;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import com.fr.design.gui.icheckbox.UICheckBox;
import com.fr.stable.StringUtils;
/** /**
* CheckBoxs + JList. * CheckBoxs + JList.
*/ */
public class CheckBoxList extends JComponent { public class CheckBoxList extends JComponent {
/** private final static int X_COORDINATE = 20;
* 选择状态----全选和全不选
* /**
* @editor zhou * 选择状态----全选和全不选
* @since 2012-4-1下午2:39:10 *
*/ * @editor zhou
public static enum SelectedState { * @since 2012-4-1下午2:39:10
ALL, NONE */
} public static enum SelectedState {
ALL, NONE
private boolean[] selects; }
private JList jlist;
private UICheckBox chooseAll; private boolean[] selects;
private JList jlist;
public CheckBoxList(Object[] items) { private UICheckBox chooseAll;
this(items, SelectedState.NONE, StringUtils.EMPTY);
} public CheckBoxList(Object[] items) {
this(items, SelectedState.NONE, StringUtils.EMPTY);
public CheckBoxList(Object[] items, String name) { }
this(items, SelectedState.NONE, name);
} public CheckBoxList(Object[] items, String name) {
this(items, SelectedState.NONE, name);
/** }
* Class constructor.
* /**
* @param items * Class constructor.
* Items with which to populate the list. *
* @param default_state * @param items Items with which to populate the list.
* default state, true or false * @param state default state, true or false
*/ */
public CheckBoxList(Object[] items, SelectedState state, String name) { public CheckBoxList(Object[] items, SelectedState state, String name) {
jlist = new BOXLIST(items); jlist = new BOXLIST(items);
jlist.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); jlist.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
this.selects = new boolean[items.length]; this.selects = new boolean[items.length];
boolean default_state = (state == SelectedState.ALL); boolean default_state = (state == SelectedState.ALL);
Arrays.fill(this.selects, default_state); Arrays.fill(this.selects, default_state);
jlist.setCellRenderer(new CheckListCellRenderer()); jlist.setCellRenderer(new CheckListCellRenderer());
jlist.addMouseListener(new MouseAdapter() { jlist.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) { public void mousePressed(MouseEvent e) {
doCheck(); doCheck();
} }
public void mouseReleased(MouseEvent e) { public void mouseReleased(MouseEvent e) {
doCheck(); doCheck();
} }
}); });
jlist.addKeyListener(new KeyAdapter() { jlist.addKeyListener(new KeyAdapter() {
@Override @Override
public void keyTyped(KeyEvent e) { public void keyTyped(KeyEvent e) {
if (e.getKeyChar() == ' ') { if (e.getKeyChar() == ' ') {
doCheck(); doCheck();
} }
} }
}); });
this.setLayout(new BorderLayout()); this.setLayout(new BorderLayout());
chooseAll = new UICheckBox(name, default_state); chooseAll = new UICheckBox(name, default_state);
chooseAll.addActionListener(new ActionListener() { chooseAll.addActionListener(new ActionListener() {
@Override @Override
public void actionPerformed(ActionEvent e) { public void actionPerformed(ActionEvent e) {
if (chooseAll.isSelected()) { if (chooseAll.isSelected()) {
setSelected(true); setSelected(true);
} else { } else {
setSelected(false); setSelected(false);
} }
} }
}); });
this.add(chooseAll, BorderLayout.NORTH); this.add(chooseAll, BorderLayout.NORTH);
this.add(jlist, BorderLayout.CENTER); this.add(jlist, BorderLayout.CENTER);
} }
/* /*
* 用于CellRenderer显示value为text * 用于CellRenderer显示value为text
*/ */
protected String value2Text(Object value) { protected String value2Text(Object value) {
return value != null ? value.toString() : StringUtils.EMPTY; return value != null ? value.toString() : StringUtils.EMPTY;
} }
public void setItems(Object[] os) { public void setItems(Object[] os) {
if (os == null) { if (os == null) {
this.setSelected(false); this.setSelected(false);
} else { } else {
for (int i = 0, len = os.length; i < len; i++) { for (int i = 0, len = os.length; i < len; i++) {
Object o = os[i]; Object o = os[i];
for (int j = 0, jen = jlist.getModel().getSize(); j < jen; j++) { for (int j = 0, jen = jlist.getModel().getSize(); j < jen; j++) {
if (o.equals(jlist.getModel().getElementAt(j))) { if (o.equals(jlist.getModel().getElementAt(j))) {
this.setSelected(j, true); this.setSelected(j, true);
} }
} }
} }
} }
this.repaint(); this.repaint();
} }
/** /**
* Is selected * Is selected
*/ */
public boolean isSelected(int index) { public boolean isSelected(int index) {
if (selects == null || index >= selects.length) { if (selects == null || index >= selects.length) {
return false; return false;
} }
return selects[index]; return selects[index];
} }
public void setSelected(int index, boolean isSelected) { public void setSelected(int index, boolean isSelected) {
if (selects == null || index >= selects.length) { if (selects == null || index >= selects.length) {
return; return;
} }
selects[index] = isSelected; selects[index] = isSelected;
this.repaint(this.getBounds()); this.repaint(this.getBounds());
this.fireCheckBoxListSelectionChangeListener(); this.fireCheckBoxListSelectionChangeListener();
} }
private void setSelected(boolean isSelected) { private void setSelected(boolean isSelected) {
if (selects == null) { if (selects == null) {
return; return;
} }
for (int i = 0; i < selects.length; i++) { for (int i = 0; i < selects.length; i++) {
selects[i] = isSelected; selects[i] = isSelected;
} }
this.repaint(this.getBounds()); this.repaint(this.getBounds());
this.fireCheckBoxListSelectionChangeListener(); this.fireCheckBoxListSelectionChangeListener();
} }
/** /**
* Returns an array of the objects that have been selected. Overrides the * Returns an array of the objects that have been selected. Overrides the
* JList method. * JList method.
*/ */
public Object[] getSelectedValues() { public Object[] getSelectedValues() {
return this.jlist.getSelectedValues(); return this.jlist.getSelectedValues();
} }
private class BOXLIST extends JList { private class BOXLIST extends JList {
public BOXLIST(Object[] items) { public BOXLIST(Object[] items) {
super(items); super(items);
} }
@Override @Override
protected void processMouseEvent(MouseEvent e) { protected void processMouseEvent(MouseEvent e) {
if (e.getX() < 20) { if (e.getX() < X_COORDINATE) {
if (e.isControlDown() || e.isAltDown() || e.isShiftDown() || e.isMetaDown()) { boolean anyMaskDown = e.isControlDown() || e.isAltDown() || e.isShiftDown() || e.isMetaDown();
int[] indices = getSelectedIndices(); if (anyMaskDown) {
if (indices.length == 0) { int[] indices = getSelectedIndices();
super.processMouseEvent(e); if (indices.length == 0) {
} super.processMouseEvent(e);
} else { }
super.processMouseEvent(e); } else {
} super.processMouseEvent(e);
} else { }
super.processMouseEvent(e); } else {
} super.processMouseEvent(e);
int id = e.getID(); }
switch (id) { int id = e.getID();
case MouseEvent.MOUSE_PRESSED: switch (id) {
break; case MouseEvent.MOUSE_PRESSED:
case MouseEvent.MOUSE_RELEASED: break;
break; case MouseEvent.MOUSE_RELEASED:
case MouseEvent.MOUSE_CLICKED: break;
doCheck(); case MouseEvent.MOUSE_CLICKED:
break; doCheck();
case MouseEvent.MOUSE_EXITED: break;
break; case MouseEvent.MOUSE_EXITED:
case MouseEvent.MOUSE_ENTERED: break;
break; case MouseEvent.MOUSE_ENTERED:
} break;
} }
}
@Override
protected void processMouseMotionEvent(MouseEvent e) { @Override
if (e.getX() < 20) { protected void processMouseMotionEvent(MouseEvent e) {
return; if (e.getX() < X_COORDINATE) {
} return;
}
super.processMouseEvent(e);
} super.processMouseEvent(e);
}
@Override
public Object[] getSelectedValues() { @Override
List<Object> list = new ArrayList<Object>(selects.length); public Object[] getSelectedValues() {
for (int i = 0; i < selects.length; i++) { List<Object> list = new ArrayList<Object>(selects.length);
if (selects[i]) { for (int i = 0; i < selects.length; i++) {
list.add(this.getModel().getElementAt(i)); if (selects[i]) {
} list.add(this.getModel().getElementAt(i));
} }
}
return list.toArray();
} return list.toArray();
}
}
}
private void doCheck() {
// p:这里必须改变所有选择checkbox. private void doCheck() {
int index = jlist.getSelectedIndex(); // p:这里必须改变所有选择checkbox.
boolean sValue = !selects[index]; int index = jlist.getSelectedIndex();
boolean sValue = !selects[index];
// p:开始设置所有选择的checkbox.
int[] indices = jlist.getSelectedIndices(); // p:开始设置所有选择的checkbox.
for (int i = 0; i < indices.length; i++) { int[] indices = jlist.getSelectedIndices();
setSelected(indices[i], sValue); for (int i = 0; i < indices.length; i++) {
} setSelected(indices[i], sValue);
for (boolean selected : selects) { }
if (!selected) { for (boolean selected : selects) {
chooseAll.setSelected(false); if (!selected) {
return; chooseAll.setSelected(false);
} return;
} }
chooseAll.setSelected(true); }
repaint(); chooseAll.setSelected(true);
} repaint();
}
private static final Border noFocusBorder = new EmptyBorder(1, 1, 1, 1);
private static final Border NO_FOCUS_BORDER = new EmptyBorder(1, 1, 1, 1);
private class CheckListCellRenderer extends UICheckBox implements ListCellRenderer {
private class CheckListCellRenderer extends UICheckBox implements ListCellRenderer {
public CheckListCellRenderer() {
this.setOpaque(true); public CheckListCellRenderer() {
this.setBorder(noFocusBorder); this.setOpaque(true);
} this.setBorder(NO_FOCUS_BORDER);
}
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
this.setText(value2Text(value)); public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
this.setSelected(selects[index]); this.setText(value2Text(value));
this.setFont(list.getFont()); this.setSelected(selects[index]);
this.setFont(list.getFont());
if (isSelected) {
this.setBackground(list.getSelectionBackground()); if (isSelected) {
this.setForeground(list.getSelectionForeground()); this.setBackground(list.getSelectionBackground());
} else { this.setForeground(list.getSelectionForeground());
this.setBackground(list.getBackground()); } else {
this.setForeground(list.getForeground()); this.setBackground(list.getBackground());
} this.setForeground(list.getForeground());
}
if (cellHasFocus) {
this.setBorder(UIManager.getBorder("List.focusCellHighlightBorder")); if (cellHasFocus) {
} else { this.setBorder(UIManager.getBorder("List.focusCellHighlightBorder"));
this.setBorder(noFocusBorder); } else {
} this.setBorder(NO_FOCUS_BORDER);
}
return this;
} return this;
} }
}
public void addCheckBoxListSelectionChangeListener(CheckBoxListSelectionChangeListener l) {
this.listenerList.add(CheckBoxListSelectionChangeListener.class, l); public void addCheckBoxListSelectionChangeListener(CheckBoxListSelectionChangeListener l) {
} this.listenerList.add(CheckBoxListSelectionChangeListener.class, l);
}
public void removeCheckBoxListSelectionChangeListener(CheckBoxListSelectionChangeListener l) {
this.listenerList.remove(CheckBoxListSelectionChangeListener.class, l); public void removeCheckBoxListSelectionChangeListener(CheckBoxListSelectionChangeListener l) {
} this.listenerList.remove(CheckBoxListSelectionChangeListener.class, l);
}
public void fireCheckBoxListSelectionChangeListener() {
// Guaranteed to return a non-null array public void fireCheckBoxListSelectionChangeListener() {
Object[] listeners = listenerList.getListenerList(); // Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event // Process the listeners last to first, notifying
for (int i = listeners.length - 2; i >= 0; i -= 2) { // those that are interested in this event
if (listeners[i] == CheckBoxListSelectionChangeListener.class) { for (int i = listeners.length - 2; i >= 0; i -= 2) {
((CheckBoxListSelectionChangeListener)listeners[i + 1]).selectionChanged(this); if (listeners[i] == CheckBoxListSelectionChangeListener.class) {
} ((CheckBoxListSelectionChangeListener) listeners[i + 1]).selectionChanged(this);
} }
}
}
}
public static interface CheckBoxListSelectionChangeListener extends EventListener {
public void selectionChanged(CheckBoxList target); public static interface CheckBoxListSelectionChangeListener extends EventListener {
} public void selectionChanged(CheckBoxList target);
}
public ListModel getModel() {
return jlist.getModel(); public ListModel getModel() {
} return jlist.getModel();
}
} }
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