enhance search

diylc/diylc-core/src/org/diylc/presenter/Presenter.java

@@ -1004,12 +1004,15 @@ public class Presenter implements IPlugInPort {
     drawingManager.clearContinuityArea();
   }
   
+  @SuppressWarnings("unchecked")
   @Override
   public void selectMatching(String criteria) {
     Set<IDIYComponent<?>> matching = new HashSet<IDIYComponent<?>>();
     for (IDIYComponent<?> c : currentProject.getComponents()) {
+      ComponentType type = ComponentProcessor.getInstance().extractComponentTypeFrom((Class<? extends IDIYComponent<?>>) c.getClass());
       if ((c.getName() != null && c.getName().toLowerCase().matches(criteria.toLowerCase())) || 
-          (c.getValueForDisplay() != null && c.getValueForDisplay().toLowerCase().matches(criteria.toLowerCase())))
+          (c.getValueForDisplay() != null && c.getValueForDisplay().toLowerCase().matches(criteria.toLowerCase())) ||
+          type.getName().toLowerCase().matches(criteria.toLowerCase()))
         matching.add(c);
     }
     updateSelection(matching);    

diylc/diylc-swing/src/org/diylc/swing/plugins/edit/FindDialog.java

@@ -33,6 +33,7 @@ import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
+import javax.swing.UIManager;
 import javax.swing.event.DocumentEvent;
 import javax.swing.event.DocumentListener;
 
@@ -42,15 +43,33 @@ public class FindDialog extends ButtonDialog {
 
   private static final long serialVersionUID = 1L;
   
+  private static final String TOOLTIP_HTML = "<html>Use RegEx to search for component names, types and values.<br>"
+      + "<br><b>Character classes:</b><br>"
+      + ". - matches any character<br>"
+      + "\\s - whitespace<br>"
+      + "\\S - non-whitespace<br>"
+      + "\\d - digit<br>"
+      + "\\D - non-digit<br>"
+      + "<br><b>Quantifiers:</b><br>"
+      + "* - zero or more times<br>"
+      + "? - zero or one time<br>"
+      + "+ - one or more times<br>"
+      + "<br><b>Examples:</b><br>"
+      + "'R27' - matches a component named R27<br>"
+      + "'Resistor' - matches all resistors<br>"
+      + "'R\\d+' - matches components starting with R, followed by at least one digit"
+      + "</html>";
+
   private JPanel mainPanel;
 
   private JTextField criteriaField;  
+  private JLabel tooltipLabel;
 
   private String criteria;  
 
   public FindDialog(JFrame owner) {
     super(owner, "Find", new String[] {OK, CANCEL});
-    setMinimumSize(new Dimension(240, 32));
+    setMinimumSize(new Dimension(400, 32));
     layoutGui();
     refreshState();
   }
@@ -81,10 +100,27 @@ public class FindDialog extends ButtonDialog {
 
       gbc.gridy = 0;
       mainPanel.add(getCriteriaField(), gbc);
+      
+      gbc.gridx = 0;
+      gbc.gridy = 1;
+      gbc.gridwidth = 2;
+      mainPanel.add(getTooltipLabel(), gbc);
     }
     return mainPanel;
   }
   
+  private JLabel getTooltipLabel() {
+    if (tooltipLabel == null) {
+      tooltipLabel = new JLabel();
+      tooltipLabel.setOpaque(true);
+      tooltipLabel.setBackground(UIManager.getColor("ToolTip.background"));
+      tooltipLabel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(),
+          BorderFactory.createEmptyBorder(2, 2, 2, 2)));
+      tooltipLabel.setText(TOOLTIP_HTML);
+    }
+    return tooltipLabel;
+  }
+
   private void refreshState() {
     this.criteria = getCriteriaField().getText();