handler: (accessor, resource: URI | object) => {
		const listService = accessor.get(IListService);
		const tree = listService.lastFocusedList;
		// Remove highlight
		if (tree instanceof Tree) {
			tree.clearHighlight();
			tree.domFocus();
		}

		globalResourceToCompare = getResourceForCommand(resource, listService, accessor.get(IEditorService));
		if (!resourceSelectedForCompareContext) {
			resourceSelectedForCompareContext = ResourceSelectedForCompareContext.bindTo(accessor.get(IContextKeyService));
		}
		resourceSelectedForCompareContext.set(true);
	}

	handler: (accessor, resource: URI | object) => {
		if (!provider) {
			const instantiationService = accessor.get(IInstantiationService);
			const textModelService = accessor.get(ITextModelService);
			provider = instantiationService.createInstance(FileOnDiskContentProvider);
			textModelService.registerTextModelContentProvider(COMPARE_WITH_SAVED_SCHEMA, provider);
		}

		const editorService = accessor.get(IWorkbenchEditorService);
		const uri = getResourceForCommand(resource, accessor.get(IListService), editorService);

		if (uri && uri.scheme === Schemas.file /* only files on disk supported for now */) {
			const name = paths.basename(uri.fsPath);
			const editorLabel = nls.localize('modifiedLabel', "{0} (on disk) ↔ {1}", name, name);

			return editorService.openEditor({ leftResource: URI.from({ scheme: COMPARE_WITH_SAVED_SCHEMA, path: uri.fsPath }), rightResource: uri, label: editorLabel }).then(() => void 0);
		}

		return TPromise.as(true);
	}

	handler: (accessor, resource: URI) => {
		if (!provider) {
			const instantiationService = accessor.get(IInstantiationService);
			const textModelService = accessor.get(ITextModelService);
			provider = instantiationService.createInstance(FileOnDiskContentProvider);
			textModelService.registerTextModelContentProvider(COMPARE_WITH_SAVED_SCHEMA, provider);
		}

		const editorService = accessor.get(IWorkbenchEditorService);
		resource = getResourceForCommand(resource, accessor.get(IListService), editorService);

		if (resource && resource.scheme === 'file') {
			const name = paths.basename(resource.fsPath);
			const editorLabel = nls.localize('modifiedLabel', "{0} (on disk) ↔ {1}", name, name);

			return editorService.openEditor({ leftResource: URI.from({ scheme: COMPARE_WITH_SAVED_SCHEMA, path: resource.fsPath }), rightResource: resource, label: editorLabel });
		}

		return TPromise.as(true);
	}

	handler: (accessor, resource: URI) => {
		const editorService = accessor.get(IWorkbenchEditorService);
		resource = getResourceForCommand(resource, accessor.get(IListService), editorService);
		return save(resource, true, editorService, accessor.get(IFileService), accessor.get(IUntitledEditorService), accessor.get(ITextFileService), accessor.get(IEditorGroupService));
	}