Add collapse all and navigate to selected file icons to Projects view

ide/projectui/src/org/netbeans/modules/project/ui/ProjectTab.java

@@ -23,8 +23,13 @@
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Cursor;
+import java.awt.Dimension;
 import java.awt.EventQueue;
+import java.awt.FlowLayout;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
 import java.awt.Image;
+import java.awt.Insets;
 import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -45,6 +50,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
@@ -56,15 +62,21 @@
 import javax.swing.Action;
 import javax.swing.ActionMap;
 import javax.swing.BorderFactory;
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
+import javax.swing.JEditorPane;
 import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
 import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
+import javax.swing.JToolBar;
 import javax.swing.SwingConstants;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 import javax.swing.text.DefaultEditorKit;
+import javax.swing.text.Document;
 import javax.swing.tree.DefaultTreeModel;
 import javax.swing.tree.TreeModel;
 import javax.swing.tree.TreeNode;
@@ -82,8 +94,10 @@
 import org.openide.awt.ActionReference;
 import org.openide.awt.ActionReferences;
 import org.openide.awt.ActionRegistration;
+import org.openide.awt.Actions;
 import org.openide.awt.StatusDisplayer;
 import org.openide.awt.UndoRedo;
+import org.openide.cookies.EditorCookie;
 import org.openide.explorer.ExplorerManager;
 import org.openide.explorer.ExplorerUtils;
 import org.openide.explorer.view.BeanTreeView;
@@ -140,6 +154,8 @@ public class ProjectTab extends TopComponent
 
     private String id;
     private final transient ProjectTreeView btv;
+    JPanel projectTreeViewPanel = new JPanel(new BorderLayout());
+    JLayeredPane layeredPane = new JLayeredPane();
 
     private final JLabel noProjectsLabel = new JLabel(NbBundle.getMessage(ProjectTab.class, "NO_PROJECT_OPEN"));
 
@@ -176,8 +192,44 @@ public ProjectTab() {
 
         btv.setDragSource (true);
         btv.setRootVisible(false);
+        add(layeredPane, BorderLayout.CENTER);
+        projectTreeViewPanel.add(btv, BorderLayout.CENTER);
 
-        add( btv, BorderLayout.CENTER ); 
+        JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT, 10, 5));
+        buttonPanel.setOpaque(false);
+
+        ImageIcon collapseTreeIcon = ImageUtilities.loadImageIcon("org/netbeans/modules/project/ui/resources/collapseTree.svg",false);
+        JButton collapseAllButton = new JButton();
+        collapseAllButton.setIcon(collapseTreeIcon);
+        collapseAllButton.setBorderPainted(false);
+        collapseAllButton.setContentAreaFilled(false);
+        collapseAllButton.setFocusPainted(false);
+        collapseAllButton.addActionListener((ActionEvent ae ) -> {
+            collapseNodes(rootNode, this);
+        });
+        collapseAllButton.setFocusable(false);
+        JButton navigateToSelectedFileButton = new JButton();
+        ImageIcon crossHairsIcon = ImageUtilities.loadImageIcon("org/netbeans/modules/project/ui/resources/crossHairs.svg",false);
+        navigateToSelectedFileButton.setIcon(crossHairsIcon);
+        navigateToSelectedFileButton.setBorderPainted(false);
+        navigateToSelectedFileButton.setContentAreaFilled(false);
+        navigateToSelectedFileButton.setFocusPainted(false);
+
+        navigateToSelectedFileButton.addActionListener((ActionEvent ae ) -> {
+            navigateToCurrentFile();
+        });
+        navigateToSelectedFileButton.setFocusable(false);
+        buttonPanel.add(collapseAllButton);
+        buttonPanel.add(navigateToSelectedFileButton);
+        layeredPane.add(projectTreeViewPanel, JLayeredPane.DEFAULT_LAYER);
+        layeredPane.add(buttonPanel, JLayeredPane.PALETTE_LAYER);
+
+        addComponentListener(new java.awt.event.ComponentAdapter() {
+            public void componentResized(java.awt.event.ComponentEvent evt) {
+                resetLayeredPaneSize();
+                buttonPanel.setBounds(0, 0, getWidth(), buttonPanel.getPreferredSize().height);
+            }
+        });
 
         OpenProjects.getDefault().addPropertyChangeListener(this);
 
@@ -344,7 +396,7 @@ public int getPersistenceType() {
      * WARNING: Do NOT modify this code. The content of this method is
      * always regenerated by the FormEditor.
      */
-    private void initComponents() {//GEN-BEGIN:initComponents
+    private void initComponents() {                          
 
         setLayout(new java.awt.BorderLayout());
 
@@ -367,6 +419,52 @@ public void requestFocus() {
         btv.requestFocus();
     }
 
+    public static FileObject getActiveEditorFile() {
+        // Get all opened windows
+        Set<TopComponent> opened = WindowManager.getDefault().getRegistry().getOpened();
+
+        // Find the editor window
+        for (TopComponent tc : opened) {
+            // Check if this component is an editor window and is focused
+            if (tc.isShowing() && isEditorWindow(tc)) {
+                // Get the DataObject from the editor
+                DataObject dataObj = tc.getLookup().lookup(DataObject.class);
+                if (dataObj != null) {
+                    return dataObj.getPrimaryFile();
+                }
+            }
+        }        
+        return null;
+    }
+
+    private static boolean isEditorWindow(TopComponent tc) {
+        // Check if this is an editor window by looking for EditorCookie
+        EditorCookie ec = tc.getLookup().lookup(EditorCookie.class);
+        if (ec != null) {
+            // Additional check - verify the component's class name
+            // Editor windows typically have "EditorTopComponent" in their class name
+            String className = tc.getClass().getName().toLowerCase();
+            return className.contains("editor") || className.contains("multiview");
+        }
+        return false;
+    }
+
+    private void navigateToCurrentFile() {
+        FileObject selectedFileInCodeEditor = getActiveEditorFile();
+        if (selectedFileInCodeEditor != null) {
+            Node nodeToSelect = findNode(selectedFileInCodeEditor);
+            if (nodeToSelect != null) {
+                try {
+                    getExplorerManager().setSelectedNodes(new Node[]{nodeToSelect});
+                    btv.scrollToNode(nodeToSelect);
+
+                } catch (Exception ex) {
+                    org.openide.util.Exceptions.printStackTrace(ex);
+                }
+            }
+        }
+    }
+
     // PERSISTENCE
 
     private static final long serialVersionUID = 9374872358L;
@@ -681,20 +779,31 @@ private void showNoProjectsLabel() {
         if (noProjectsLabel.isShowing()) {
             return;
         }
-        remove(btv);
+        remove(layeredPane);
         add(noProjectsLabel, BorderLayout.CENTER);
         revalidate();
         repaint();
     }
 
+    private void resetLayeredPaneSize() {
+        projectTreeViewPanel.setBounds(0, 0, getWidth(), getHeight());
+        projectTreeViewPanel.setPreferredSize(new Dimension(getWidth(), getHeight()));
+        layeredPane.setBounds(0, 0, getWidth(), getHeight());
+        layeredPane.setPreferredSize(new Dimension(getWidth(), getHeight()));
+        btv.setBounds(0, 0, getWidth(), getHeight());
+        btv.setPreferredSize(new Dimension(getWidth(), getHeight()));
+        revalidate();
+        repaint();
+    }
+
     private void restoreTreeView() {
         if (btv.isShowing()) {
             return;
         }
         remove(noProjectsLabel);
-        add(btv, BorderLayout.CENTER );
-        revalidate();
-        repaint();
+        projectTreeViewPanel.add(btv, BorderLayout.CENTER);
+        add(layeredPane, BorderLayout.CENTER);
+        resetLayeredPaneSize();
     }
 
     // Private innerclasses ----------------------------------------------------
@@ -869,6 +978,17 @@ public void preferenceChange(PreferenceChangeEvent evt) {
         }
 
     }
+
+    private static void collapseNodes(Node node, ProjectTab tab) {
+        if (  node.getChildren().getNodesCount() != 0 ) {
+            for ( Node nodeIter : node.getChildren().getNodes() ) {
+                if( tab.btv.isExpanded(nodeIter) ) {
+                    collapseNodes(nodeIter, tab);
+                    tab.btv.collapseNode(nodeIter);
+                }
+            }
+        }
+    }    
 
     @ActionID(category="Project", id="org.netbeans.modules.project.ui.collapseAllNodes")
     @ActionRegistration(displayName="#collapseAllNodes")
@@ -939,18 +1059,6 @@ public void run() {
             });
 
         }
-
-        private void collapseNodes(Node node, ProjectTab tab) {
-            if (  node.getChildren().getNodesCount() != 0 ) {
-                for ( Node nodeIter : node.getChildren().getNodes() ) {
-                    if( tab.btv.isExpanded(nodeIter) ) {
-                        collapseNodes(nodeIter, tab);
-                        tab.btv.collapseNode(nodeIter);
-                    }
-                }
-            }
-        }
-
     }
 
     @ActionID(category="Project", id="org.netbeans.modules.project.ui.NodeSelectionProjectAction")