Theme Editor: find/replace bar improvements:

- always use editor selection to search if `Ctrl+F` is pressed
- keep find/replace bar open if switching to another editor
- mark matches when switching to another editor

flatlaf-theme-editor/build.gradle.kts

@@ -25,7 +25,6 @@ dependencies {
 	implementation( "com.miglayout:miglayout-swing:5.3" )
 	implementation( "com.fifesoft:rsyntaxtextarea:3.1.4" )
 	implementation( "com.fifesoft:autocomplete:3.1.3" )
-	implementation( "com.fifesoft:rstaui:3.1.3" )
 }
 
 tasks {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatFindReplaceBar.java

@@ -16,7 +16,7 @@
 
 package com.formdev.flatlaf.themeeditor;
 
-import java.awt.Container;
+import java.awt.EventQueue;
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
 import java.util.List;
@@ -26,7 +26,6 @@ import javax.swing.border.MatteBorder;
 import javax.swing.event.DocumentEvent;
 import javax.swing.event.DocumentListener;
 import com.formdev.flatlaf.extras.components.*;
-import org.fife.rsta.ui.CollapsibleSectionPanel;
 import org.fife.ui.rsyntaxtextarea.DocumentRange;
 import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
 import org.fife.ui.rsyntaxtextarea.RSyntaxUtilities;
@@ -44,9 +43,13 @@ import net.miginfocom.swing.*;
 class FlatFindReplaceBar
 	extends JPanel
 {
+	static final String PROP_CLOSED = "closed";
+
 	private final RSyntaxTextArea textArea;
 
 	private SearchContext context;
+	private boolean inSetContext;
+	private boolean markAllPending;
 
 	FlatFindReplaceBar( RSyntaxTextArea textArea ) {
 		this.textArea = textArea;
@@ -74,6 +77,10 @@ class FlatFindReplaceBar
 		regexToggleButton.setIcon( new FlatSVGIcon( "com/formdev/flatlaf/themeeditor/icons/regex.svg" ) );
 		closeButton.setIcon( new FlatSVGIcon( "com/formdev/flatlaf/themeeditor/icons/close.svg" ) );
 
+		registerKeyboardAction( e -> close(),
+			KeyStroke.getKeyStroke( KeyEvent.VK_ESCAPE, 0, false ),
+			JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT );
+
 		SearchContext context = new SearchContext();
 		context.setSearchWrap( true );
 		setSearchContext( context );
@@ -93,29 +100,32 @@ class FlatFindReplaceBar
 	void setSearchContext( SearchContext context ) {
 		this.context = context;
 
-		findField.setText( context.getSearchFor() );
-		replaceField.setText( context.getReplaceWith() );
-		matchCaseToggleButton.setSelected( context.getMatchCase() );
-		matchWholeWordToggleButton.setSelected( context.getWholeWord() );
-		regexToggleButton.setSelected( context.isRegularExpression() );
+		inSetContext = true;
+		try {
+			findField.setText( context.getSearchFor() );
+			replaceField.setText( context.getReplaceWith() );
+			matchCaseToggleButton.setSelected( context.getMatchCase() );
+			matchWholeWordToggleButton.setSelected( context.getWholeWord() );
+			regexToggleButton.setSelected( context.isRegularExpression() );
+		} finally {
+			inSetContext = false;
+		}
 	}
 
-	@Override
-	public boolean requestFocusInWindow() {
-		// invoked from CollapsibleSectionPanel
-
-		// use selected text in editor for searching
-		String selectedText = textArea.getSelectedText();
-		if( !StringUtils.isEmpty( selectedText ) && selectedText.indexOf( '\n' ) < 0 )
-			findField.setText( selectedText );
-		else
-			findField.selectAll();
+	void activate( boolean findEditorSelection ) {
+		// use selected text of editor for searching
+		if( findEditorSelection ) {
+			String selectedText = textArea.getSelectedText();
+			if( !StringUtils.isEmpty( selectedText ) && selectedText.indexOf( '\n' ) < 0 )
+				findField.setText( selectedText );
+			else
+				findField.selectAll();
+		}
 
 		// if showing bar, highlight matches in editor
-		// (not invoking this from addNotify() because this would break the slide-in animation)
 		markAll();
 
-		return findField.requestFocusInWindow();
+		findField.requestFocusInWindow();
 	}
 
 	@Override
@@ -142,7 +152,20 @@ class FlatFindReplaceBar
 	}
 
 	void markAll() {
-		findOrMarkAll( false );
+		if( inSetContext )
+			return;
+
+		// do mark all only once
+		if( markAllPending )
+			return;
+		markAllPending = true;
+
+		EventQueue.invokeLater( () -> {
+			markAllPending = false;
+
+			findOrMarkAll( false );
+		} );
+
 	}
 
 	private void findOrMarkAll( boolean find ) {
@@ -254,11 +277,8 @@ class FlatFindReplaceBar
 	}
 
 	private void close() {
-		Container parent = getParent();
-		if( parent instanceof CollapsibleSectionPanel )
-			((CollapsibleSectionPanel)parent).hideBottomComponent();
-		else if( parent != null )
-			parent.remove( this );
+		setVisible( false );
+		firePropertyChange( PROP_CLOSED, false, true );
 	}
 
 	private void initComponents() {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeEditorPane.java

@@ -34,7 +34,6 @@ import javax.swing.JPanel;
 import javax.swing.KeyStroke;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
-import org.fife.rsta.ui.CollapsibleSectionPanel;
 import org.fife.ui.autocomplete.AutoCompletion;
 import org.fife.ui.autocomplete.CompletionProvider;
 import org.fife.ui.rsyntaxtextarea.AbstractTokenMakerFactory;
@@ -48,6 +47,7 @@ import org.fife.ui.rsyntaxtextarea.TokenTypes;
 import org.fife.ui.rtextarea.Gutter;
 import org.fife.ui.rtextarea.RTextArea;
 import org.fife.ui.rtextarea.RTextScrollPane;
+import org.fife.ui.rtextarea.SearchContext;
 import com.formdev.flatlaf.util.UIScale;
 
 /**
@@ -62,7 +62,10 @@ class FlatThemeEditorPane
 
 	private static final String FLATLAF_STYLE = "text/flatlaf";
 
-	private final CollapsibleSectionPanel collapsiblePanel;
+	private static boolean findReplaceVisible;
+	private static SearchContext findReplaceContext;
+
+	private final JPanel editorPanel;
 	private final RTextScrollPane scrollPane;
 	private final FlatSyntaxTextArea textArea;
 	private final ErrorStrip errorStrip;
@@ -115,11 +118,11 @@ class FlatThemeEditorPane
 		// create error strip
 		errorStrip = new ErrorStrip( textArea );
 
-		// create collapsible panel
-		collapsiblePanel = new CollapsibleSectionPanel();
-		collapsiblePanel.add( scrollPane );
-		collapsiblePanel.add( errorStrip, BorderLayout.LINE_END );
-		add( collapsiblePanel, BorderLayout.CENTER );
+		// create editor panel
+		editorPanel = new JPanel( new BorderLayout() );
+		editorPanel.add( scrollPane );
+		editorPanel.add( errorStrip, BorderLayout.LINE_END );
+		add( editorPanel, BorderLayout.CENTER );
 
 		updateTheme();
 	}
@@ -166,6 +169,13 @@ class FlatThemeEditorPane
 		scrollPane.getGutter().setLineNumberFont( font );
 	}
 
+	void selected() {
+		if( findReplaceVisible )
+			showFindReplaceBar( false );
+		else
+			hideFindReplaceBar();
+	}
+
 	void windowActivated() {
 		if( preview != null )
 			preview.repaint();
@@ -261,13 +271,30 @@ class FlatThemeEditorPane
 		return (window instanceof JFrame) ? ((JFrame)window).getTitle() : null;
 	}
 
-	void showFindReplaceBar() {
+	void showFindReplaceBar( boolean findEditorSelection ) {
 		if( findReplaceBar == null ) {
 			findReplaceBar = new FlatFindReplaceBar( textArea );
-			collapsiblePanel.addBottomComponent( findReplaceBar );
+			findReplaceBar.addPropertyChangeListener( FlatFindReplaceBar.PROP_CLOSED, e -> {
+				findReplaceVisible = false;
+				textArea.requestFocusInWindow();
+			} );
+			editorPanel.add( findReplaceBar, BorderLayout.SOUTH );
+			editorPanel.revalidate();
 		}
 
-		collapsiblePanel.showBottomComponent( findReplaceBar );
+		findReplaceVisible = true;
+		if( findReplaceContext == null )
+			findReplaceContext = findReplaceBar.getSearchContext();
+		else
+			findReplaceBar.setSearchContext( findReplaceContext );
+
+		findReplaceBar.setVisible( true );
+		findReplaceBar.activate( findEditorSelection );
+	}
+
+	void hideFindReplaceBar() {
+		if( findReplaceBar != null )
+			findReplaceBar.setVisible( false );
 	}
 
 	void showPreview( boolean show ) {

flatlaf-theme-editor/src/main/java/com/formdev/flatlaf/themeeditor/FlatThemeFileEditor.java

@@ -336,6 +336,7 @@ class FlatThemeFileEditor
 
 		SwingUtilities.invokeLater( () -> {
 			activateEditor();
+			notifyEditorSelected();
 		} );
 		saveState();
 		enableDisableActions();
@@ -448,11 +449,13 @@ class FlatThemeFileEditor
 		FlatThemeEditorPane themeEditorPane = (FlatThemeEditorPane) tabbedPane.getSelectedComponent();
 		String filename = (themeEditorPane != null) ? themeEditorPane.getFile().getName() : null;
 		putPrefsString( state, KEY_RECENT_FILE, filename );
+
+		notifyEditorSelected();
 	}
 
 	private void enableDisableActions() {
 		boolean dirOpen = (directoryField.getSelectedItem() != null);
-		boolean editorOpen = (dirOpen &&tabbedPane.getSelectedIndex() >= 0);
+		boolean editorOpen = (dirOpen && tabbedPane.getSelectedIndex() >= 0);
 
 		// enable/disable buttons
 		newButton.setEnabled( dirOpen );
@@ -687,6 +690,12 @@ class FlatThemeFileEditor
 		return result;
 	}
 
+	private void notifyEditorSelected() {
+		FlatThemeEditorPane themeEditorPane = (FlatThemeEditorPane) tabbedPane.getSelectedComponent();
+		if( themeEditorPane != null )
+			themeEditorPane.selected();
+	}
+
 	private void activateEditor() {
 		FlatThemeEditorPane themeEditorPane = (FlatThemeEditorPane) tabbedPane.getSelectedComponent();
 		if( themeEditorPane != null )
@@ -709,7 +718,7 @@ class FlatThemeFileEditor
 	private void find() {
 		FlatThemeEditorPane themeEditorPane = (FlatThemeEditorPane) tabbedPane.getSelectedComponent();
 		if( themeEditorPane != null )
-			themeEditorPane.showFindReplaceBar();
+			themeEditorPane.showFindReplaceBar( true );
 	}
 
 	private void insertColor() {