PMD

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

@@ -1,34 +1,24 @@
 package com.fr.design.gui.ilist;
 
-import java.awt.BorderLayout;
-import java.awt.Component;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.KeyAdapter;
-import java.awt.event.KeyEvent;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
+import com.fr.design.gui.icheckbox.UICheckBox;
+import com.fr.stable.StringUtils;
+
+import javax.swing.*;
+import javax.swing.border.Border;
+import javax.swing.border.EmptyBorder;
+import java.awt.*;
+import java.awt.event.*;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.EventListener;
 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.
  */
 public class CheckBoxList extends JComponent {
+    private final static int X_COORDINATE = 20;
+
     /**
      * 选择状态----全选和全不选
      *
@@ -54,10 +44,8 @@ public class CheckBoxList extends JComponent {
     /**
      * Class constructor.
      *
-	 * @param items
-	 *            Items with which to populate the list.
-	 * @param default_state
-	 *            default state, true or false
+     * @param items Items with which to populate the list.
+     * @param state default state, true or false
      */
     public CheckBoxList(Object[] items, SelectedState state, String name) {
         jlist = new BOXLIST(items);
@@ -175,8 +163,9 @@ public class CheckBoxList extends JComponent {
 
         @Override
         protected void processMouseEvent(MouseEvent e) {
-			if (e.getX() < 20) {
-				if (e.isControlDown() || e.isAltDown() || e.isShiftDown() || e.isMetaDown()) {
+            if (e.getX() < X_COORDINATE) {
+                boolean anyMaskDown = e.isControlDown() || e.isAltDown() || e.isShiftDown() || e.isMetaDown();
+                if (anyMaskDown) {
                     int[] indices = getSelectedIndices();
                     if (indices.length == 0) {
                         super.processMouseEvent(e);
@@ -205,7 +194,7 @@ public class CheckBoxList extends JComponent {
 
         @Override
         protected void processMouseMotionEvent(MouseEvent e) {
-			if (e.getX() < 20) {
+            if (e.getX() < X_COORDINATE) {
                 return;
             }
 
@@ -246,13 +235,13 @@ public class CheckBoxList extends JComponent {
         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 {
 
         public CheckListCellRenderer() {
             this.setOpaque(true);
-			this.setBorder(noFocusBorder);
+            this.setBorder(NO_FOCUS_BORDER);
         }
 
         public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
@@ -271,7 +260,7 @@ public class CheckBoxList extends JComponent {
             if (cellHasFocus) {
                 this.setBorder(UIManager.getBorder("List.focusCellHighlightBorder"));
             } else {
-				this.setBorder(noFocusBorder);
+                this.setBorder(NO_FOCUS_BORDER);
             }
 
             return this;
@@ -294,7 +283,7 @@ public class CheckBoxList extends JComponent {
         // those that are interested in this event
         for (int i = listeners.length - 2; i >= 0; i -= 2) {
             if (listeners[i] == CheckBoxListSelectionChangeListener.class) {
-				((CheckBoxListSelectionChangeListener)listeners[i + 1]).selectionChanged(this);
+                ((CheckBoxListSelectionChangeListener) listeners[i + 1]).selectionChanged(this);
             }
         }