Add focus task action

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

src/views/history/history.ts

@@ -34,11 +34,6 @@ export default class HistoryTreeItem extends TreeItem implements GithubLocalActi
             `Started: ${Utils.getDateString(history.date.start)}\n` +
             `Ended: ${endTime ? Utils.getDateString(endTime) : 'N/A'}\n` +
             `Total Duration: ${totalDuration ? totalDuration : 'N/A'}`;
-        // this.command = {
-        //     title: 'Focus Task',
-        //     command: 'githubLocalActions.focusTask',
-        //     arguments: [this]
-        // };
     }
 
     async getChildren(): Promise<GithubLocalActionsTreeItem[]> {

src/views/history/historyTreeDataProvider.ts

@@ -31,8 +31,15 @@ export default class HistoryTreeDataProvider implements TreeDataProvider<GithubL
                 for (const terminal of terminals) {
                     if (terminal.creationOptions.name === `${historyTreeItem.history.name} #${historyTreeItem.history.count}`) {
                         terminal.show();
+                        return;
                     }
                 }
+
+                window.showErrorMessage(`${historyTreeItem.history.name} #${historyTreeItem.history.count} task is no longer open.`, 'View Output').then(async value => {
+                    if (value === 'View Output') {
+                        await commands.executeCommand('githubLocalActions.viewOutput', historyTreeItem);
+                    }
+                });
             }),
             commands.registerCommand('githubLocalActions.viewOutput', async (historyTreeItem: HistoryTreeItem) => {
                 await act.historyManager.viewOutput(historyTreeItem.history);