Initial select up and down functionality

Author: brokenprogrammer

README.md

@@ -19,4 +19,4 @@ None at the time.
 
 ### 0.0.1
 
-Initial release including move up and down features.
+Initial release including move up and down features

package.json

@@ -25,7 +25,9 @@
 	],
 	"activationEvents": [
 		"onCommand:paragraphjump.up",
-		"onCommand:paragraphjump.down"
+		"onCommand:paragraphjump.down",
+		"onCommand:paragraphjump.selectup",
+		"onCommand:paragraphjump.selectdown"
 	],
 	"main": "./out/extension.js",
 	"contributes": {
@@ -37,6 +39,14 @@
 			{
 				"command": "paragraphjump.down",
 				"title": "ParagraphJump: Down"
+			},
+			{
+				"command": "paragraphjump.selectup",
+				"title": "ParagraphJump: Select Up"
+			},
+			{
+				"command": "paragraphjump.selectdown",
+				"title": "ParagraphJump: Select Down"
 			}
 		]
 	},

src/extension.ts

@@ -6,8 +6,8 @@ const targetLineIsEmptyOrWhitespace = (
 ) => !document.lineAt(line).isEmptyOrWhitespace;
 
 enum LineOperation {
-  up = 1,
-  down = 2,
+  up = 0,
+  down = 1,
 }
 
 function getNextLine(editor: vscode.TextEditor, op: LineOperation) {
@@ -34,8 +34,30 @@ function getNextLine(editor: vscode.TextEditor, op: LineOperation) {
   return document.lineAt(line);
 }
 
-function moveCursor(editor: vscode.TextEditor, newPosition: vscode.Position) {
-  let newCursorPosition = new vscode.Selection(newPosition, newPosition);
+enum MoveOperation {
+  move = 0,
+  select = 1,
+}
+
+function moveCursor(
+  editor: vscode.TextEditor,
+  newPosition: vscode.Position,
+  op: MoveOperation
+) {
+  let newCursorPosition: vscode.Selection;
+  switch (op) {
+    case MoveOperation.move:
+      {
+        newCursorPosition = new vscode.Selection(newPosition, newPosition);
+      }
+      break;
+    case MoveOperation.select:
+      {
+        let anchor = editor.selection.anchor;
+        newCursorPosition = new vscode.Selection(anchor, newPosition);
+      }
+      break;
+  }
   editor.selection = newCursorPosition;
   editor.revealRange(new vscode.Range(newPosition, newPosition));
 }
@@ -44,22 +66,57 @@ export function activate(context: vscode.ExtensionContext) {
   let paragraphJumpUp = vscode.commands.registerTextEditorCommand(
     "paragraphjump.up",
     (editor: vscode.TextEditor) => {
-      let targetLine: vscode.TextLine = getNextLine(editor, LineOperation.up);
+      const targetLine: vscode.TextLine = getNextLine(editor, LineOperation.up);
       const newPosition = new vscode.Position(targetLine.lineNumber, 0);
-      moveCursor(editor, newPosition);
+      moveCursor(editor, newPosition, MoveOperation.move);
     }
   );
 
   let paragraphJumpDown = vscode.commands.registerTextEditorCommand(
     "paragraphjump.down",
     (editor: vscode.TextEditor) => {
-      let targetLine: vscode.TextLine = getNextLine(editor, LineOperation.down);
+      const targetLine: vscode.TextLine = getNextLine(
+        editor,
+        LineOperation.down
+      );
+      const newPosition = new vscode.Position(
+        targetLine.lineNumber,
+        targetLine.text.length
+      );
+      moveCursor(editor, newPosition, MoveOperation.move);
+    }
+  );
+
+  let paragraphSelectUp = vscode.commands.registerTextEditorCommand(
+    "paragraphjump.selectup",
+    (editor: vscode.TextEditor) => {
+      const targetLine: vscode.TextLine = getNextLine(editor, LineOperation.up);
       const newPosition = new vscode.Position(targetLine.lineNumber, 0);
-      moveCursor(editor, newPosition);
+      moveCursor(editor, newPosition, MoveOperation.select);
     }
   );
 
-  context.subscriptions.push(paragraphJumpUp, paragraphJumpDown);
+  let paragraphSelectDown = vscode.commands.registerTextEditorCommand(
+    "paragraphjump.selectdown",
+    (editor: vscode.TextEditor) => {
+      const targetLine: vscode.TextLine = getNextLine(
+        editor,
+        LineOperation.down
+      );
+      const newPosition = new vscode.Position(
+        targetLine.lineNumber,
+        targetLine.text.length
+      );
+      moveCursor(editor, newPosition, MoveOperation.select);
+    }
+  );
+
+  context.subscriptions.push(
+    paragraphJumpUp,
+    paragraphJumpDown,
+    paragraphSelectUp,
+    paragraphSelectDown
+  );
 }
 
 export function deactivate() {}