fix: tab text is not updated when an opened file is renamed

.idea/misc.xml

@@ -169,6 +169,11 @@
       </map>
     </option>
   </component>
+  <component name="EntryPointsManager">
+    <list size="1">
+      <item index="0" class="java.lang.String" itemvalue="org.greenrobot.eventbus.Subscribe" />
+    </list>
+  </component>
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="NullableNotNullManager">
     <option name="myDefaultNullable" value="androidx.annotation.Nullable" />

app/src/main/java/com/itsaky/androidide/actions/filetree/RenameAction.kt

@@ -75,10 +75,10 @@ class RenameAction(context: Context) :
         return@setPositiveButton
       }
 
-      notifyFileRenamed(file, context)
+      notifyFileRenamed(file, name, context)
 
       if (lastHeld != null) {
-        val parent = lastHeld!!.parent
+        val parent = lastHeld.parent
         parent.deleteChild(lastHeld)
         val node = TreeNode(File(file.parentFile, name))
         node.viewHolder = FileTreeViewHolder(context)
@@ -91,7 +91,7 @@ class RenameAction(context: Context) :
     builder.create().show()
   }
 
-  private fun notifyFileRenamed(file: File, context: Context) {
-    EventBus.getDefault().post(FileRenameEvent(file).apply { putData(context) })
+  private fun notifyFileRenamed(file: File, name: String, context: Context) {
+    EventBus.getDefault().post(FileRenameEvent(file, File(file.parent, name)).apply { putData(context) })
   }
 }

app/src/main/java/com/itsaky/androidide/activities/editor/EditorHandlerActivity.kt

@@ -38,6 +38,7 @@ import com.itsaky.androidide.editor.language.treesitter.TSLanguageRegistry
 import com.itsaky.androidide.editor.language.xml.XMLLanguage
 import com.itsaky.androidide.editor.schemes.IDEColorSchemeProvider
 import com.itsaky.androidide.editor.ui.IDEEditor
+import com.itsaky.androidide.eventbus.events.file.FileRenameEvent
 import com.itsaky.androidide.interfaces.IEditorHandler
 import com.itsaky.androidide.models.OpenedFile
 import com.itsaky.androidide.models.OpenedFilesCache
@@ -51,6 +52,8 @@ import com.itsaky.androidide.utils.IntentUtils.openImage
 import com.itsaky.androidide.utils.flashSuccess
 import io.github.rosemoe.sora.event.ContentChangeEvent
 import java.io.File
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 
 /**
  * Base class for EditorActivity. Handles logic for working with file editors.
@@ -500,4 +503,19 @@ open class EditorHandlerActivity : ProjectHandlerActivity(), IEditorHandler {
       }
     builder.show()
   }
+
+  @Subscribe(threadMode = ThreadMode.MAIN)
+  fun onFileRenamed(event: FileRenameEvent) {
+    val index = findIndexOfEditorByFile(event.file)
+    if (index < 0 || index >= binding.tabs.tabCount) {
+      return
+    }
+
+    val editor = getEditorAtIndex(index) ?: return
+    viewModel.updateFile(index, event.newFile)
+    editor.updateFile(event.newFile)
+
+    val tab = binding.tabs.getTabAt(index) ?: return
+    tab.text = event.newFile.name
+  }
 }

app/src/main/java/com/itsaky/androidide/ui/editor/CodeEditorView.java

@@ -44,21 +44,13 @@ import android.content.Context;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.widget.LinearLayout;
-
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-
 import com.blankj.utilcode.util.FileIOUtils;
 import com.blankj.utilcode.util.FileUtils;
 import com.blankj.utilcode.util.SizeUtils;
 import com.itsaky.androidide.app.BaseApplication;
 import com.itsaky.androidide.editor.databinding.LayoutCodeEditorBinding;
-import com.itsaky.androidide.editor.language.treesitter.TreeSitterLanguage;
-import com.itsaky.androidide.editor.language.cpp.CppLanguage;
-import com.itsaky.androidide.editor.language.groovy.GroovyLanguage;
-import com.itsaky.androidide.editor.language.treesitter.TreeSitterLanguageProvider;
-import com.itsaky.androidide.editor.schemes.IDEColorScheme;
-import com.itsaky.androidide.editor.schemes.IDEColorSchemeProvider;
 import com.itsaky.androidide.editor.ui.EditorSearchLayout;
 import com.itsaky.androidide.editor.ui.IDEEditor;
 import com.itsaky.androidide.eventbus.events.preferences.PreferenceChangeEvent;
@@ -69,25 +61,19 @@ import com.itsaky.androidide.lsp.java.JavaLanguageServer;
 import com.itsaky.androidide.lsp.xml.XMLLanguageServer;
 import com.itsaky.androidide.models.Range;
 import com.itsaky.androidide.preferences.internal.EditorPreferencesKt;
-import com.itsaky.androidide.syntax.colorschemes.DynamicColorScheme;
 import com.itsaky.androidide.syntax.colorschemes.SchemeAndroidIDE;
 import com.itsaky.androidide.utils.FileUtil;
 import com.itsaky.androidide.utils.ILogger;
 import com.itsaky.androidide.utils.TypefaceUtilsKt;
-
-import org.greenrobot.eventbus.EventBus;
-import org.greenrobot.eventbus.Subscribe;
-import org.greenrobot.eventbus.ThreadMode;
-
+import io.github.rosemoe.sora.text.LineSeparator;
+import io.github.rosemoe.sora.widget.component.Magnifier;
 import java.io.File;
 import java.io.IOException;
 import java.util.concurrent.CompletableFuture;
-
-import io.github.rosemoe.sora.lang.EmptyLanguage;
-import io.github.rosemoe.sora.lang.Language;
-import io.github.rosemoe.sora.text.LineSeparator;
-import io.github.rosemoe.sora.widget.component.Magnifier;
-import kotlin.io.FilesKt;
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
+import org.jetbrains.annotations.NotNull;
 
 /**
  * A view that handles opened code editors.
@@ -103,7 +89,7 @@ public class CodeEditorView extends LinearLayout {
   private final EditorSearchLayout searchLayout;
 
   public CodeEditorView(
-      @NonNull Context context, @NonNull File file, final @NonNull Range selection) {
+    @NonNull Context context, @NonNull File file, final @NonNull Range selection) {
     super(context);
     this.file = file;
 
@@ -124,21 +110,21 @@ public class CodeEditorView extends LinearLayout {
 
     addView(this.binding.getRoot(), new LayoutParams(LayoutParams.MATCH_PARENT, 0, 1f));
     addView(
-        this.searchLayout, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
+      this.searchLayout, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
 
     CompletableFuture.runAsync(
-        () -> {
-          final var contents = FileIOUtils.readFile2String(file);
-          final var editor = getEditor();
-          editor.post(() -> {
-            editor.setText(contents, createEditorArgs());
-            postRead();
-            
-            selection.validate();
-            editor.validateRange(selection);
-            editor.setSelection(selection);
-          });
+      () -> {
+        final var contents = FileIOUtils.readFile2String(file);
+        final var editor = getEditor();
+        editor.post(() -> {
+          editor.setText(contents, createEditorArgs());
+          postRead();
+
+          selection.validate();
+          editor.validateRange(selection);
+          editor.setSelection(selection);
         });
+      });
 
     configureEditorIfNeeded();
   }
@@ -165,7 +151,7 @@ public class CodeEditorView extends LinearLayout {
 
   protected void postRead() {
     binding.editor.setupLanguage(getFile());
-    
+
     binding.editor.setLanguageServer(createLanguageServer(file));
 
     if (IDELanguageClientImpl.isInitialized()) {
@@ -180,7 +166,7 @@ public class CodeEditorView extends LinearLayout {
       ((Activity) getContext()).invalidateOptionsMenu();
     }
   }
-  
+
   private ILanguageServer createLanguageServer(File file) {
     if (!file.isFile()) {
       return null;
@@ -390,7 +376,9 @@ public class CodeEditorView extends LinearLayout {
     searchLayout.beginSearchMode();
   }
 
-  /** Mark this files as saved. Even if it not saved. */
+  /**
+   * Mark this files as saved. Even if it not saved.
+   */
   public void markAsSaved() {
     notifySaved();
   }
@@ -408,4 +396,13 @@ public class CodeEditorView extends LinearLayout {
     super.onDetachedFromWindow();
     EventBus.getDefault().unregister(this);
   }
+
+  public void updateFile(@NotNull File file) {
+    final var editor = getEditor();
+    if (editor == null) {
+      return;
+    }
+
+    editor.updateFile(file);
+  }
 }

app/src/main/java/com/itsaky/androidide/viewmodel/EditorViewModel.kt

@@ -137,6 +137,11 @@ class EditorViewModel : ViewModel() {
     mCurrentFile.value = index to file
   }
 
+  fun updateFile(index: Int, newFile: File) {
+    val files = files.value ?: return
+    files[index] = newFile
+  }
+
   /**
    * Get the opened file at the given index.
    *

editor/src/main/java/com/itsaky/androidide/editor/ui/IDEEditor.java

@@ -191,13 +191,17 @@ public class IDEEditor extends CodeEditor implements IEditor, ILspEditor {
    * @param file The file to set.
    */
   public void setFile(File file) {
-    this.file = file;
+    updateFile(file);
 
     if (file != null) {
       dispatchDocumentOpenEvent();
     }
   }
 
+public void updateFile(File file) {
+    this.file = file;
+}
+
   @NonNull
   @Override
   public Bundle getExtraArguments() {

eventbus-events/src/main/java/com/itsaky/androidide/eventbus/events/file/FileEvents.kt

@@ -44,4 +44,4 @@ data class FileDeletionEvent(override val file: File) : FileEvent()
  *
  * @author Akash Yadav
  */
-class FileRenameEvent(override val file: File) : FileEvent()
+class FileRenameEvent(override val file: File, val newFile: File) : FileEvent()