#57186 - implement previewOptions for findTextInFiles

Author: roblourens

extensions/vscode-api-tests/src/singlefolder-tests/workspace.test.ts

@@ -511,12 +511,22 @@ suite('workspace-namespace', () => {
 	});
 
 	test('findTextInFiles', async () => {
+		const options: vscode.FindTextInFilesOptions = {
+			include: '*.ts',
+			previewOptions: {
+				leadingChars: 2,
+				maxLines: 1,
+				totalChars: 100
+			}
+		};
+
 		const results: vscode.TextSearchResult[] = [];
-		await vscode.workspace.findTextInFiles({ pattern: 'foo' }, { include: '*.ts' }, result => {
+		await vscode.workspace.findTextInFiles({ pattern: 'foo' }, options, result => {
 			results.push(result);
 		});
 
 		assert.equal(results.length, 1);
+		assert.equal(results[0].preview.text, 'n foo(): void {');
 		assert.equal(vscode.workspace.asRelativePath(results[0].uri), '10linefile.ts');
 	});
 

src/vs/vscode.proposed.d.ts

@@ -260,6 +260,8 @@ declare module 'vscode' {
 		 * See the vscode setting `"files.encoding"`
 		 */
 		encoding?: string;
+
+		previewOptions?: TextSearchPreviewOptions;
 	}
 
 	export namespace workspace {

src/vs/workbench/api/node/extHostWorkspace.ts

@@ -398,6 +398,7 @@ export class ExtHostWorkspace implements ExtHostWorkspaceShape {
 			disregardExcludeSettings: options.exclude === null,
 			fileEncoding: options.encoding,
 			maxResults: options.maxResults,
+			previewOptions: options.previewOptions,
 
 			includePattern: options.include && globPatternToString(options.include),
 			excludePattern: options.exclude && globPatternToString(options.exclude)

src/vs/workbench/parts/search/browser/searchView.ts

@@ -1086,9 +1086,9 @@ export class SearchView extends Viewlet implements IViewlet, IPanel {
 			excludePattern,
 			includePattern,
 			previewOptions: {
-				leadingChars: 5,
+				leadingChars: 20,
 				maxLines: 1,
-				totalChars: this.isWide ? 1000 : 100
+				totalChars: this.isWide ? 250 : 75
 			}
 		};
 		const folderResources = this.contextService.getWorkspace().folders;