Implement console log window messages, update lsp-ws-connection

CHANGELOG.md

@@ -8,19 +8,23 @@
   - allow to set a priority for LSP server, allowing to choose which server to use when multiple servers are installed ([#588])
   - add auto-detection of pyright server ([#587], thanks @yuntan)
   - update from JupyterLab Classic to RetroLab ([#603])
+  - log server messages in user-accessible console ([#606])
+  - old emit-based API of lsp-ws-connection is new deprecated and will be removed in the next major version; please use `serverNotifications`, `clientNotifications`, `clientRequests` and `serverRequests` instead ([#606])
 
 - bug fixes:
 
   - workaround url-parse issue causing problems when using JupyterLab 3.0.15 ([#599])
 
 - other changes:
   - drop Node 10 (EOL 2 weeks ago) testing on CI, add Node 15 ([#587])
+  - update lsp-ws-connection dependencies ([#606])
 
 [#586]: https://github.com/krassowski/jupyterlab-lsp/pull/586
 [#587]: https://github.com/krassowski/jupyterlab-lsp/pull/587
 [#588]: https://github.com/krassowski/jupyterlab-lsp/pull/588
 [#599]: https://github.com/krassowski/jupyterlab-lsp/pull/599
 [#602]: https://github.com/krassowski/jupyterlab-lsp/pull/602
+[#606]: https://github.com/krassowski/jupyterlab-lsp/pull/606
 
 ### `jupyter-lsp 1.2.0` (2021-04-26)
 

packages/jupyterlab-lsp/package.json

@@ -62,7 +62,7 @@
     "@krassowski/theme-material": "~2.1.0",
     "@krassowski/theme-vscode": "~2.1.0",
     "lodash.mergewith": "^4.6.1",
-    "lsp-ws-connection": "~0.5.1"
+    "lsp-ws-connection": "~0.6.0"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.4.3",
@@ -77,6 +77,7 @@
     "@jupyterlab/docmanager": "^3.0.0",
     "@jupyterlab/docregistry": "^3.0.0",
     "@jupyterlab/fileeditor": "^3.0.0",
+    "@jupyterlab/logconsole": "^3.0.0",
     "@jupyterlab/notebook": "^3.0.0",
     "@jupyterlab/rendermime": "^3.0.0",
     "@jupyterlab/services": "^6.0.0",
@@ -102,7 +103,8 @@
     "react": "^17.0.1",
     "rimraf": "^3.0.2",
     "ts-jest": "^26.4.3",
-    "typescript": "~4.1.3"
+    "typescript": "~4.1.3",
+    "vscode-languageserver-protocol": "^3.16.0"
   },
   "peerDependencies": {
     "@jupyterlab/application": "^3.0.0",

packages/jupyterlab-lsp/src/adapters/adapter.ts

@@ -1,6 +1,7 @@
 import { JupyterFrontEnd } from '@jupyterlab/application';
 import { CodeEditor } from '@jupyterlab/codeeditor';
 import { DocumentRegistry, IDocumentWidget } from '@jupyterlab/docregistry';
+import { ILogPayload } from '@jupyterlab/logconsole';
 import { nullTranslator, TranslationBundle } from '@jupyterlab/translation';
 import { JSONObject } from '@lumino/coreutils';
 import { Signal } from '@lumino/signaling';
@@ -22,6 +23,11 @@ import { IVirtualEditor } from '../virtual/editor';
 
 import IEditor = CodeEditor.IEditor;
 
+import { Dialog, showDialog } from '@jupyterlab/apputils';
+
+import IButton = Dialog.IButton;
+import createButton = Dialog.createButton;
+
 export class StatusMessage {
   /**
    * The text message to be shown on the statusbar
@@ -341,6 +347,66 @@ export abstract class WidgetAdapter<T extends IDocumentWidget> {
         'have been initialized'
       );
     });
+
+    // Note: the logger extension behaves badly with non-default names
+    // as it changes the source to the active file afterwards anyways
+    const loggerSourceName = virtual_document.uri;
+    const logger = this.extension.user_console.getLogger(loggerSourceName);
+
+    data.connection.serverNotifications['window/logMessage'].connect(
+      (connection, message) => {
+        this.console.log(
+          data.connection.serverIdentifier,
+          virtual_document.uri,
+          message
+        );
+        logger.log({
+          type: 'text',
+          data: connection.serverIdentifier + ': ' + message.message
+        } as ILogPayload);
+      }
+    );
+
+    data.connection.serverNotifications['window/showMessage'].connect(
+      (connection, message) => {
+        this.console.log(
+          data.connection.serverIdentifier,
+          virtual_document.uri,
+          message.message
+        );
+        void showDialog({
+          title: this.trans.__('Message from ') + connection.serverIdentifier,
+          body: message.message
+        });
+      }
+    );
+
+    data.connection.serverRequests['window/showMessageRequest'].setHandler(
+      async params => {
+        this.console.log(
+          data.connection.serverIdentifier,
+          virtual_document.uri,
+          params
+        );
+        const actionItems = params.actions;
+        const buttons = actionItems.map(action => {
+          return createButton({
+            label: action.title
+          });
+        });
+        const result = await showDialog<IButton>({
+          title:
+            this.trans.__('Message from ') + data.connection.serverIdentifier,
+          body: params.message,
+          buttons: buttons
+        });
+        const choice = buttons.indexOf(result.button);
+        if (choice === -1) {
+          return;
+        }
+        return actionItems[choice];
+      }
+    );
   }
 
   /**