[jboss-svn-commits] JBL Code SVN: r14862 - labs/jbossrules/trunk/drools-examples/drools-examples-drl/src/main/java/org/drools/examples/sudoku/swing.

[jboss-svn-commits at lists.jboss.org]

Author: pete.bennett at jboss.com
Date: 2007-09-04 09:30:17 -0400 (Tue, 04 Sep 2007)
New Revision: 14862

Added:
   labs/jbossrules/trunk/drools-examples/drools-examples-drl/src/main/java/org/drools/examples/sudoku/swing/SudokuGridView.java
Log:


Added: labs/jbossrules/trunk/drools-examples/drools-examples-drl/src/main/java/org/drools/examples/sudoku/swing/SudokuGridView.java
===================================================================
--- labs/jbossrules/trunk/drools-examples/drools-examples-drl/src/main/java/org/drools/examples/sudoku/swing/SudokuGridView.java	                        (rev 0)
+++ labs/jbossrules/trunk/drools-examples/drools-examples-drl/src/main/java/org/drools/examples/sudoku/swing/SudokuGridView.java	2007-09-04 13:30:17 UTC (rev 14862)
@@ -0,0 +1,184 @@
+/*
+ * JBoss, the OpenSource J2EE webOS
+ * 
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package org.drools.examples.sudoku.swing;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.GridLayout;
+import java.awt.event.ComponentEvent;
+import java.awt.event.ComponentListener;
+
+import javax.swing.BorderFactory;
+import javax.swing.JComponent;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.border.EmptyBorder;
+
+public class SudokuGridView
+   extends JComponent
+   implements SudokuGridListener, ComponentListener
+{
+   /** The serialVersionUID */
+   private static final long serialVersionUID = 1L;
+   private SudokuGridModel model;
+   private GridLayout gridLayout;
+   private JTextField textFields[][];
+   private EmptyBorder emptyBorder = new EmptyBorder(0,0,0,0);
+   
+   public SudokuGridView()
+   {
+      gridLayout = new GridLayout(SudokuGridModel.NUM_ROWS, SudokuGridModel.NUM_COLS);
+      setLayout(gridLayout);
+      textFields = new JTextField[SudokuGridModel.NUM_ROWS][SudokuGridModel.NUM_COLS];
+      for (int row=0; row<textFields.length; row++)
+      {
+         for (int col=0; col<textFields[row].length; col++)
+         {
+            JTextField textField = new JTextField("");
+            textField.setEditable(false);
+            if (row==0 && col==0)
+            {
+               textField.addComponentListener(this);
+            }
+            JPanel panel = new JPanel();
+            
+            int top = row % SudokuGridModel.INNER_GRID_HEIGHT == 0 ? 2 : 0;
+            int left = col % SudokuGridModel.INNER_GRID_WIDTH == 0 ? 2 : 0;
+            int bottom = row == SudokuGridModel.NUM_ROWS-1 ? 2 : 0;
+            int right = col == SudokuGridModel.NUM_COLS-1 ? 2 : 0;
+           
+            panel.setBorder(BorderFactory.createMatteBorder( top, left, bottom, right, Color.BLACK ));
+            panel.setLayout(new BorderLayout());
+            
+            textField.setOpaque(true);
+            textField.setBackground(Color.WHITE);
+            textField.setHorizontalAlignment(JTextField.CENTER);
+            
+            textFields[row][col] = textField;
+            
+            panel.add(BorderLayout.CENTER, textField);
+            add(panel);
+         }
+      }
+   }
+   
+   public SudokuGridView(SudokuGridModel model)
+   {
+      this();
+      setModel(model);
+   }
+   
+   public void setModel(SudokuGridModel model)
+   {
+      if (this.model != null  && this.model instanceof AbstractSudokuGridModel)
+      {
+         ((AbstractSudokuGridModel) this.model).removeSudokuGridListener(this);
+      }
+      
+      this.model = model;
+      refreshValues();
+      
+      if (this.model != null  && this.model instanceof AbstractSudokuGridModel)
+      {
+         ((AbstractSudokuGridModel) this.model).addSudokuGridListener(this);
+      }
+   }
+   
+   public SudokuGridModel getModel()
+   {
+      return model;
+   }
+   
+   private void refreshValues()
+   {
+      for (int row=0; row<textFields.length; row++)
+      {
+         for (int col=0; col<textFields[row].length; col++)
+         {
+            refreshValue(row, col);
+         }
+      }      
+   }
+   
+   private void refreshValue(int row, int col)
+   {
+      if(getModel().isCellResolved(row, col))
+      {
+         textFields[row][col].setText(""+getModel().getPossibleCellValues(row, col).get(0));
+      }
+      else
+      {
+         textFields[row][col].setText("");
+      }      
+   }
+
+   public void cellResolved(SudokuGridEvent ev)
+   {
+      refreshValue(ev.getRow(), ev.getCol());
+   }
+
+   public void cellModified(SudokuGridEvent ev)
+   {
+      refreshValue(ev.getRow(), ev.getCol());
+   }
+   
+   public void componentHidden(ComponentEvent ev)
+   {
+      // FIXME componentHidden
+      
+   }
+
+   public void componentMoved(ComponentEvent ev)
+   {
+      // FIXME componentMoved
+      
+   }
+
+   public void componentResized(ComponentEvent ev)
+   {
+      JTextField textField = (JTextField) ev.getComponent();
+      int height = textField.getHeight();
+      Font font = textField.getFont();
+      
+      FontMetrics fontMetrics = textField.getGraphics().getFontMetrics(font);
+      if (fontMetrics.getAscent() < height)
+      {
+         while (fontMetrics.getAscent() < height)
+         {
+            font = new Font(font.getName(), font.getStyle(), font.getSize()+2);
+            fontMetrics = textField.getGraphics().getFontMetrics(font);
+         }
+      }
+      else if (fontMetrics.getAscent() > height)
+      {
+         while (fontMetrics.getAscent() > height)
+         {
+            font = new Font(font.getName(), font.getStyle(), font.getSize()-2);
+            fontMetrics = textField.getGraphics().getFontMetrics(font);
+         }         
+      }
+      else
+      {
+         //
+      }
+      
+      for (int row=0; row<textFields.length; row++)
+      {
+         for (int col=0; col<textFields[row].length; col++)
+         {
+            textFields[row][col].setFont(font);
+         }
+      }
+   }
+
+   public void componentShown(ComponentEvent ev)
+   {
+      // FIXME componentShown
+   }
+}