Allow the clock to be aligned on the left

clockstatusbaritem.js

@@ -6,19 +6,59 @@ const
   vscode = require('vscode');
 
 const DEFAULT_DATE_FORMAT = 'hh:MM TT';
+const DEFAULT_CLOCK_ALIGNMENT = vscode.StatusBarAlignment.Right;
 
 class StatusBarItem {
   constructor() {
-    this._statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right, -100);
-    this._statusBarItem.command = 'clock.insertDateTime';
-    this._statusBarItem.tooltip = 'Click to insert into selection';
-    this._statusBarItem.show();
-
+    this._statusBarItem = this._createStatusBar();
     this._interval = setInterval(() => this.refreshUI(), 1000);
 
+    vscode.workspace.onDidChangeConfiguration(this._onDidChangeConfiguration.bind(this));
+
     this.refreshUI();
   }
 
+  get _clockAlignment() {
+    const confAlignment = vscode.workspace.getConfiguration('clock').alignment || '';
+
+    switch (confAlignment.toLowerCase()) {
+      case 'left':
+        return vscode.StatusBarAlignment.Left;
+      case 'right':
+        return vscode.StatusBarAlignment.Right;
+      default:
+        return DEFAULT_CLOCK_ALIGNMENT;
+    }
+  }
+
+  get _clockPriority() {
+    switch (this._clockAlignment) {
+      case vscode.StatusBarAlignment.Left:
+        return 100;
+      case vscode.StatusBarAlignment.Right:
+        return -100;
+    }
+  }
+
+  _createStatusBar() {
+    const _statusBarItem = vscode.window.createStatusBarItem(this._clockAlignment, this._clockPriority);
+    _statusBarItem.command = 'clock.insertDateTime';
+    _statusBarItem.tooltip = 'Click to insert into selection';
+    _statusBarItem.show();
+
+    return _statusBarItem;
+  }
+
+  _onDidChangeConfiguration(configurationChangeEvent) {
+    if (!configurationChangeEvent.affectsConfiguration('clock')) {
+      // This configuration change was unrelated to this extension.
+      return;
+    }
+
+    this._statusBarItem.dispose();
+    this._statusBarItem = this._createStatusBar();
+  }
+
   dispose() {
     this._statusBarItem.dispose();
     clearInterval(this._interval);
@@ -29,4 +69,4 @@ class StatusBarItem {
   }
 }
 
-module.exports = StatusBarItem;
+module.exports = StatusBarItem;