VIM-1062

resources/META-INF/includes/VimExCommands.xml

@@ -32,10 +32,10 @@
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.MarkHandler" names="ma[rk],k"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.MarksHandler" names="marks"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.MoveTextHandler" names="m[ove]"/>
-    <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.NextFileHandler" names="n[ext]"/>
+    <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.NextFileHandler" names="n[ext],bn"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.NoHLSearchHandler" names="noh[lsearch]"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.OnlyHandler" names="on[ly]"/>
-    <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PreviousFileHandler" names="N[ext],prev[ious]"/>
+    <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PreviousFileHandler" names="N[ext],prev[ious],bp"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PromptFindHandler" names="pro[mptfind]"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PrintHandler" names="p[rint],P[rint]"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PromptReplaceHandler" names="promptr[epl]"/>
@@ -71,5 +71,6 @@
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.BufferListHandler" names="buffers,ls,files"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.BufferHandler" names="b[uffer]"/>
     <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.PlugHandler" names="Plug[in]"/>
+    <vimExCommand implementation="com.maddyhome.idea.vim.ex.handler.BufferCloseHandler" names="bd"/>
   </extensions>
 </idea-plugin>

src/com/maddyhome/idea/vim/ex/handler/BufferCloseHandler.kt

@@ -0,0 +1,40 @@
+/*
+ * IdeaVim - Vim emulator for IDEs based on the IntelliJ platform
+ * Copyright (C) 2003-2021 The IdeaVim authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.maddyhome.idea.vim.ex.handler
+
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.editor.Editor
+import com.maddyhome.idea.vim.VimPlugin
+import com.maddyhome.idea.vim.ex.CommandHandler
+import com.maddyhome.idea.vim.ex.ExCommand
+import com.maddyhome.idea.vim.ex.flags
+
+class BufferCloseHandler : CommandHandler.SingleExecution() {
+  override val argFlags = flags(RangeFlag.RANGE_OPTIONAL, ArgumentFlag.ARGUMENT_OPTIONAL, Access.READ_ONLY)
+  override fun execute(editor: Editor, context: DataContext, cmd: ExCommand): Boolean {
+    val arg = cmd.argument.trim()
+    if (arg.isNotEmpty() && arg.matches(Regex("^\\d+$"))) {
+      val bufNum = arg.toInt() - 1
+      VimPlugin.getFile().closeFile(bufNum, editor, context)
+    } else {
+      VimPlugin.getFile().closeFile(editor, context)
+    }
+    return true
+  }
+}

src/com/maddyhome/idea/vim/group/FileGroup.java

@@ -92,8 +92,7 @@ public boolean openFile(@NotNull String filename, @NotNull DataContext context)
     }
   }
 
-  @Nullable
-  VirtualFile findFile(@NotNull String filename, @NotNull Project project) {
+  @Nullable VirtualFile findFile(@NotNull String filename, @NotNull Project project) {
     VirtualFile found = null;
     if (filename.length() > 2 && filename.charAt(0) == '~' && filename.charAt(1) == File.separatorChar) {
       String homefile = filename.substring(2);
@@ -161,6 +160,24 @@ public void closeFile(@NotNull Editor editor, @NotNull DataContext context) {
     }
   }
 
+  /**
+   * Closes editor.
+   */
+  public void closeFile(int number, @NotNull Editor editor, @NotNull DataContext context) {
+    final Project project = PlatformDataKeys.PROJECT.getData(context);
+    final FileEditorManagerEx fileEditorManager = FileEditorManagerEx.getInstanceEx(project);
+    final EditorWindow window = fileEditorManager.getCurrentWindow();
+    VirtualFile[] editors = fileEditorManager.getOpenFiles();
+    if (number == 99) {
+      number = editors.length - 1;
+    }
+    if (number >= 0 && number < editors.length) {
+      fileEditorManager.closeFile(editors[number], window);
+    }
+    if (number < 0 || number >= editors.length) {
+    }
+  }
+
   /**
    * Saves specific file in the project.
    */
@@ -250,13 +267,12 @@ public void selectPreviousTab(@NotNull DataContext context) {
     return null;
   }
 
-  @Nullable
-  Editor selectEditor(Project project, @NotNull VirtualFile file) {
+  @Nullable Editor selectEditor(Project project, @NotNull VirtualFile file) {
     FileEditorManager fMgr = FileEditorManager.getInstance(project);
     FileEditor[] feditors = fMgr.openFile(file, true);
     if (feditors.length > 0) {
       if (feditors[0] instanceof TextEditor) {
-        Editor editor = ((TextEditor) feditors[0]).getEditor();
+        Editor editor = ((TextEditor)feditors[0]).getEditor();
         if (!editor.isDisposed()) {
           return editor;
         }
@@ -314,7 +330,8 @@ public void displayLocationInfo(@NotNull Editor editor) {
     else {
       msg.append("Selected ");
 
-      TextRange vr = new TextRange(editor.getSelectionModel().getBlockSelectionStarts(), editor.getSelectionModel().getBlockSelectionEnds());
+      TextRange vr = new TextRange(editor.getSelectionModel().getBlockSelectionStarts(),
+                                   editor.getSelectionModel().getBlockSelectionEnds());
       vr.normalize();
 
       int lines;

test/org/jetbrains/plugins/ideavim/ex/handler/BufferCloseHandlerTest.kt

@@ -0,0 +1,40 @@
+/*
+ * IdeaVim - Vim emulator for IDEs based on the IntelliJ platform
+ * Copyright (C) 2003-2021 The IdeaVim authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.jetbrains.plugins.ideavim.ex.handler
+
+import org.jetbrains.plugins.ideavim.VimTestCase
+
+/**
+ * @author Michal Placek
+ */
+class BufferCloseHandlerTest : VimTestCase() {
+  fun `test close file by bd command`() {
+
+    val psiFile1 = myFixture.configureByText("A_Discovery1", "I found it in a legendary land")
+    val psiFile2 = myFixture.configureByText("A_Discovery2", "all rocks and lavender and tufted grass,")
+
+    fileManager.openFile(psiFile1.virtualFile, false)
+    fileManager.openFile(psiFile2.virtualFile, true)
+    assertPluginError(false)
+
+    typeText(commandToKeys("bd"))
+
+    assertPluginError(false)
+  }
+}