Add focus task action

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

package.json

@@ -240,6 +240,11 @@
         "enablement": "viewItem =~ /^githubLocalActions.history_(Success|Failed|Cancelled).*/",
         "icon": "$(close)"
       },
+      {
+        "category": "GitHub Local Actions",
+        "command": "githubLocalActions.focusTask",
+        "title": "Focus Task"
+      },
       {
         "category": "GitHub Local Actions",
         "command": "githubLocalActions.refreshSettings",
@@ -436,6 +441,10 @@
           "command": "githubLocalActions.remove",
           "when": "never"
         },
+        {
+          "command": "githubLocalActions.focusTask",
+          "when": "never"
+        },
         {
           "command": "githubLocalActions.refreshSettings",
           "when": "never"
@@ -640,6 +649,11 @@
           "when": "view == history && viewItem =~ /^githubLocalActions.history.*/",
           "group": "inline@3"
         },
+        {
+          "command": "githubLocalActions.focusTask",
+          "when": "view == history && viewItem =~ /^githubLocalActions.history.*/",
+          "group": "0_focus@0"
+        },
         {
           "command": "githubLocalActions.createSecretFile",
           "when": "view == settings && viewItem =~ /^githubLocalActions.secrets.*/",

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);