Application: gvSIG desktop

package org.gvsig.app.gui.preferencespage.dal;

import com.jgoodies.forms.layout.CellConstraints;

import com.jgoodies.forms.layout.FormLayout;

import java.awt.BorderLayout;

import java.awt.ComponentOrientation;

import java.awt.Container;

import java.awt.Dimension;

import javax.swing.Box;

import javax.swing.ImageIcon;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.andami.preferences.AbstractPreferencePage;

public abstract class DALView extends AbstractPreferencePage

{

   JLabel lblAccuracy = new JLabel();

   JLabel lblDALEvaluator = new JLabel();

   JComboBox cboDALEvaluator = new JComboBox();

   JTextField txtAccuracy = new JTextField();

   /**

    * Default constructor

    */

   public DALView()

   {

      initializePanel();

   }

   /**

    * Adds fill components to empty cells in the first row and first column of the grid.

    * This ensures that the grid spacing will be the same as shown in the designer.

    * @param cols an array of column indices in the first row where fill components should be added.

    * @param rows an array of row indices in the first column where fill components should be added.

    */

   void addFillComponents( Container panel, int[] cols, int[] rows )

   {

      Dimension filler = new Dimension(10,10);

      boolean filled_cell_11 = false;

      CellConstraints cc = new CellConstraints();

      if ( cols.length > 0 && rows.length > 0 )

      {

         if ( cols[0] == 1 && rows[0] == 1 )

         {

            /** add a rigid area  */

            panel.add( Box.createRigidArea( filler ), cc.xy(1,1) );

            filled_cell_11 = true;

         }

      }

      for( int index = 0; index < cols.length; index++ )

      {

         if ( cols[index] == 1 && filled_cell_11 )

         {

            continue;

         }

         panel.add( Box.createRigidArea( filler ), cc.xy(cols[index],1) );

      }

      for( int index = 0; index < rows.length; index++ )

      {

         if ( rows[index] == 1 && filled_cell_11 )

         {

            continue;

         }

         panel.add( Box.createRigidArea( filler ), cc.xy(1,rows[index]) );

      }

   }

   /**

    * Helper method to load an image file from the CLASSPATH

    * @param imageName the package and name of the file to load relative to the CLASSPATH

    * @return an ImageIcon instance with the specified image file

    * @throws IllegalArgumentException if the image resource cannot be loaded.

    */

   public ImageIcon loadImage( String imageName )

   {

      try

      {

         ClassLoader classloader = getClass().getClassLoader();

         java.net.URL url = classloader.getResource( imageName );

         if ( url != null )

         {

            ImageIcon icon = new ImageIcon( url );

            return icon;

         }

      }

      catch( Exception e )

      {

         e.printStackTrace();

      }

      throw new IllegalArgumentException( "Unable to load image: " + imageName );

   }

   /**

    * Method for recalculating the component orientation for 

    * right-to-left Locales.

    * @param orientation the component orientation to be applied

    */

   public void applyComponentOrientation( ComponentOrientation orientation )

   {

      // Not yet implemented...

      // I18NUtils.applyComponentOrientation(this, orientation);

      super.applyComponentOrientation(orientation);

   }

   public JPanel createPanel()

   {

      JPanel jpanel1 = new JPanel();

      FormLayout formlayout1 = new FormLayout("FILL:4DLU:NONE,FILL:DEFAULT:NONE,FILL:DEFAULT:NONE,FILL:DEFAULT:GROW(1.0),FILL:4DLU:NONE","CENTER:4DLU:NONE,CENTER:DEFAULT:NONE,CENTER:4DLU:NONE,CENTER:DEFAULT:NONE,CENTER:4DLU:NONE");

      CellConstraints cc = new CellConstraints();

      jpanel1.setLayout(formlayout1);

      lblAccuracy.setName("lblAccuracy");

      lblAccuracy.setText("Precision comparing decimal numbers");

      jpanel1.add(lblAccuracy,cc.xy(2,4));

      lblDALEvaluator.setName("lblDALEvaluator");

      lblDALEvaluator.setText("Default expression evaluator");

      jpanel1.add(lblDALEvaluator,cc.xy(2,2));

      cboDALEvaluator.setName("cboDALEvaluator");

      jpanel1.add(cboDALEvaluator,cc.xy(4,2));

      txtAccuracy.setName("txtAccuracy");

      jpanel1.add(txtAccuracy,cc.xy(4,4));

      addFillComponents(jpanel1,new int[]{ 1,2,3,4,5 },new int[]{ 1,2,3,4,5 });

      return jpanel1;

   }

   /**

    * Initializer

    */

   protected void initializePanel()

   {

      setLayout(new BorderLayout());

      add(createPanel(), BorderLayout.CENTER);

   }

}