[output] add severity/color to appendLine method

Signed-off-by: Amiram Wingarten <amiram.wingarten@sap.com>

examples/api-samples/package.json

@@ -4,7 +4,8 @@
   "version": "1.0.0",
   "description": "Theia - Example code to demonstrate Theia API",
   "dependencies": {
-    "@theia/core": "^1.0.0"
+    "@theia/core": "^1.0.0",
+    "@theia/output": "^1.0.0"
   },
   "theiaExtensions": [
     {

examples/api-samples/src/browser/api-samples-frontend-module.ts

@@ -17,8 +17,10 @@
 import { ContainerModule } from 'inversify';
 import { bindDynamicLabelProvider } from './label/sample-dynamic-label-provider-command-contribution';
 import { bindSampleUnclosableView } from './view/sample-unclosable-view-contribution';
+import { bindSampleOutputChannelWithSeverity } from './output/sample-output-channel-with-severity';
 
 export default new ContainerModule(bind => {
     bindDynamicLabelProvider(bind);
     bindSampleUnclosableView(bind);
+    bindSampleOutputChannelWithSeverity(bind);
 });

examples/api-samples/src/browser/output/sample-output-channel-with-severity.ts

@@ -0,0 +1,37 @@
+/********************************************************************************
+ * Copyright (c) 2020 SAP SE or an SAP affiliate company and others.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the Eclipse
+ * Public License v. 2.0 are satisfied: GNU General Public License, version 2
+ * with the GNU Classpath Exception which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ ********************************************************************************/
+import { FrontendApplicationContribution } from '@theia/core/lib/browser';
+import { inject, injectable, interfaces } from 'inversify';
+import { OutputChannelManager, OutputChannelSeverity } from '@theia/output/lib/common/output-channel';
+
+@injectable()
+export class SampleOutputChannelWithSeverity
+    implements FrontendApplicationContribution {
+    @inject(OutputChannelManager)
+    protected readonly outputChannelManager: OutputChannelManager;
+    public onStart(): void {
+        const channel = this.outputChannelManager.getChannel('my test channel');
+        channel.appendLine('hello info1'); // showed without color
+        channel.appendLine('hello info2', OutputChannelSeverity.Info);
+        channel.appendLine('hello error', OutputChannelSeverity.Error);
+        channel.appendLine('hello warning', OutputChannelSeverity.Warning);
+    }
+}
+export const bindSampleOutputChannelWithSeverity = (bind: interfaces.Bind) => {
+    bind(FrontendApplicationContribution)
+        .to(SampleOutputChannelWithSeverity)
+        .inSingletonScope();
+};

packages/output/src/common/output-channel.ts

@@ -106,7 +106,9 @@ export class OutputChannelManager implements Disposable {
 }
 
 export enum OutputChannelSeverity {
-    info, Warning, Error
+    Error = 1,
+    Warning = 2,
+    Info = 3
 }
 export interface OutputChannelLine {
     text: string;
@@ -128,14 +130,14 @@ export class OutputChannel {
 
     append(value: string): void {
         if (this.currentLine === undefined) {
-            this.currentLine = { text: value, severity: OutputChannelSeverity.info };
+            this.currentLine = { text: value, severity: OutputChannelSeverity.Info };
         } else {
             this.currentLine.text += value;
         }
         this.contentChangeEmitter.fire(this);
     }
 
-    appendLine(line: string, severity = OutputChannelSeverity.info): void {
+    appendLine(line: string, severity = OutputChannelSeverity.Info): void {
         if (this.currentLine !== undefined) {
             this.currentLine.text = this.currentLine.text + line;
             this.lines.push(this.currentLine);