Remove EMF Cloud Tree Editor template (#246)

Author: JonasHelming

README.md

@@ -53,7 +53,6 @@ The generator allows to generate an example extension that is directly part of t
 | `hello-world` | Creates a simple extension which provides a command and menu item which displays a message | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/hello-world/README.md) |
 | `widget` | Creates the basis for a simple widget including a toggle command, alert message and button displaying a message. The template also contains an example unit test. | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/widget/README.md) |
 | `labelprovider` | Creates a simple extension which adds a custom label (with icon) for .my files | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/labelprovider/README.md) |
-| `tree-editor` | Creates a tree editor extension | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/tree-editor/README.md) |
 | `empty` | Creates a simple, minimal extension | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/empty/README.md) |
 | `backend` | Creates a backend communication extension | [readme](https://github.com/eclipse-theia/generator-theia-extension/blob/master/templates/backend/README.md) |
 | `diagram-editor` | Creates a diagram editor extension | [readme](https://github.com/eclipse-glsp/glsp-examples/blob/master/README.md) |

src/app/index.ts

@@ -30,7 +30,6 @@ enum ExtensionType {
     HelloWorld = 'hello-world',
     Widget = 'widget',
     LabelProvider = 'labelprovider',
-    TreeEditor = 'tree-editor',
     Empty = 'empty',
     Backend = 'backend',
     DiagramEditor = 'diagram-editor',
@@ -186,7 +185,6 @@ module.exports = class TheiaExtension extends Base {
                     { value: ExtensionType.HelloWorld, name: 'Hello World' },
                     { value: ExtensionType.Widget, name: 'Widget (with unit tests)' },
                     { value: ExtensionType.LabelProvider, name: 'LabelProvider' },
-                    { value: ExtensionType.TreeEditor, name: 'TreeEditor' },
                     { value: ExtensionType.Backend, name: 'Backend Communication' },
                     { value: ExtensionType.Empty, name: 'Empty' },
                     { value: ExtensionType.DiagramEditor, name: 'DiagramEditor' },
@@ -264,9 +262,6 @@ module.exports = class TheiaExtension extends Base {
         }
         this.params.dependencies = '';
         this.params.browserDevDependencies = '';
-        if (this.params.extensionType === ExtensionType.TreeEditor) {
-            this.params.dependencies = `,\n    "@theia/editor": "${this.params.theiaVersion}",\n    "@theia/filesystem": "${this.params.theiaVersion}",\n    "@theia/workspace": "${this.params.theiaVersion}",\n    "@eclipse-emfcloud/theia-tree-editor": "next",\n    "@jsonforms/core": "^3.1.0",\n    "@jsonforms/react": "^3.1.0",\n    "@jsonforms/vanilla-renderers": "^3.1.0",\n    "uuid": "^3.3.2"`;
-        }
         if (this.params.extensionType === ExtensionType.Widget) {
             this.params.devdependencies = `,\n    "@testing-library/react": "^11.2.7",\n    "@types/jest": "^26.0.20",\n    "jest": "^26.6.3",\n    "ts-node": "^10.9.1",\n    "ts-jest": "^26.5.6"`;
             this.params.scripts = `,\n    "test": "jest --config configs/jest.config.ts"`;
@@ -474,43 +469,6 @@ module.exports = class TheiaExtension extends Base {
             );
         }
 
-        /** tree-editor */
-        if (this.params.extensionType === ExtensionType.TreeEditor) {
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/example-file'),
-                this.extensionPath(`src/browser/example-file`),
-                { params: this.params }
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/style'),
-                this.extensionPath(`src/browser/style`),
-                { params: this.params }
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/tree'),
-                this.extensionPath(`src/browser/tree`),
-                { params: this.params }
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/README.md'),
-                this.extensionPath(`README.md`),
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/tree-contribution.ts'),
-                this.extensionPath(`src/browser/tree-contribution.ts`),
-                { params: this.params }
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/tree-frontend-module.ts'),
-                this.extensionPath(`src/browser/${this.params.extensionPath}-frontend-module.ts`),
-            );
-            this.fs.copyTpl(
-                this.templatePath('tree-editor/tree-label-provider-contribution.ts'),
-                this.extensionPath(`src/browser/tree-label-provider-contribution.ts`),
-                { params: this.params }
-            );
-        }
-
         /** DiagramEditor */
         if (this.params.extensionType === ExtensionType.DiagramEditor) {
             const baseDir = `./glsp-examples-${glspExamplesRepositoryTag}`;