Minor changes

src/cz/cvut/fel/skoumond/gui/DatabaseBrowser.java

@@ -11,7 +11,13 @@ import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
 import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.ResultSet;
+import java.util.Vector;
+import javax.swing.DefaultComboBoxModel;
 import javax.swing.JButton;
 import javax.swing.JComboBox;
 import javax.swing.JFrame;
@@ -106,6 +112,82 @@ public class DatabaseBrowser extends JFrame {
                 refreshTable();
             }
         });
+        
+        schemaBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent event) {
+                populateTableBox();
+                refreshTable();    
+            }
+        });
+        
+        tableBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent event) {
+                refreshTable();
+            }
+        });
+        return panel;
+    }
+    
+    protected void populateCatalogBox() {
+        try {
+            DatabaseMetaData dmd = connection.getMetaData();
+            ResultSet rset = dmd.getCatalogs();
+            Vector values = new Vector();
+            while (rset.next()) {
+                values.addElement(rset.getString(1));
+            }
+            rset.close();
+            catalogBox.setModel(new DefaultComboBoxModel(values));
+            catalogBox.setSelectedItem(connection.getCatalog());
+            catalogBox.setEnabled(values.size() > 0);
+        } catch (Exception e) {
+            catalogBox.setEnabled(false);
+        }
+    }
+    
+    protected void populateSchemaBox() {
+        try {
+            DatabaseMetaData dmd = connection.getMetaData();
+            ResultSet rset = dmd.getSchemas();
+            Vector values = new Vector();
+            while (rset.next()) {
+                values.addElement(rset.getString(1));
+            }
+            rset.close();
+            schemaBox.setModel(new DefaultComboBoxModel(values));
+            schemaBox.setSelectedItem(connection.getCatalog());
+            schemaBox.setEnabled(values.size() > 0);
+        } catch (Exception e) {
+            schemaBox.setEnabled(false);
+        }
+    }
+    
+    protected void populateTableBox() {
+        try {
+            String[] types = {"TABLE"};
+            String catalog = connection.getCatalog();
+            String schema = (String) (schemaBox.getSelectedItem());
+            DatabaseMetaData dmd = connection.getMetaData();
+            ResultSet rset = dmd.getTables(catalog, schema, null, types);
+            Vector values = new Vector();
+            while (rset.next()) {
+                values.addElement(rset.getString(3));
+            }
+            rset.close();
+            tableBox.setModel(new DefaultComboBoxModel(values));
+            tableBox.setEnabled(values.size() > 0);
+        } catch (Exception e) {
+            tableBox.setEnabled(false);;
+        }
+    }
+    
+    protected void refreshTable() {
+        String catalog = (catalogBox.isEnabled() ?
+                catalogBox.getSelectedItem().toString() :
+                null);
+        //String schema
     }