F: Implementing block UI pt1

rsconcept/backend/apps/oss/serializers/data_access.py

@@ -198,7 +198,9 @@ class UpdateOperationSerializer(serializers.Serializer):
                 'target': msg.operationNotInOSS()
             })
 
-        if 'parent' in attrs['item_data'] and attrs['item_data']['parent'].oss_id != oss.pk:
+        if 'parent' in attrs['item_data'] and \
+                attrs['item_data']['parent'] is not None and \
+                attrs['item_data']['parent'].oss_id != oss.pk:
             raise serializers.ValidationError({
                 'parent': msg.parentNotInOSS()
             })

rsconcept/frontend/src/app/application-layout.tsx

@@ -9,7 +9,7 @@ import { useDialogsStore } from '@/stores/dialogs';
 import { NavigationState } from './navigation/navigation-context';
 import { Footer } from './footer';
 import { GlobalDialogs } from './global-dialogs';
-import { GlobalLoader } from './global-Loader';
+import { GlobalLoader } from './global-loader1';
 import { ToasterThemed } from './global-toaster';
 import { GlobalTooltips } from './global-tooltips';
 import { MutationErrors } from './mutation-errors';

rsconcept/frontend/src/app/global-dialogs.tsx

@@ -113,6 +113,11 @@ const DlgUploadRSForm = React.lazy(() =>
 const DlgGraphParams = React.lazy(() =>
   import('@/features/rsform/dialogs/dlg-graph-params').then(module => ({ default: module.DlgGraphParams }))
 );
+const DlgCreateBlock = React.lazy(() =>
+  import('@/features/oss/dialogs/dlg-create-block').then(module => ({
+    default: module.DlgCreateBlock
+  }))
+);
 
 export const GlobalDialogs = () => {
   const active = useDialogsStore(state => state.active);
@@ -127,6 +132,8 @@ export const GlobalDialogs = () => {
       return <DlgCreateCst />;
     case DialogType.CREATE_OPERATION:
       return <DlgCreateOperation />;
+    case DialogType.CREATE_BLOCK:
+      return <DlgCreateBlock />;
     case DialogType.DELETE_CONSTITUENTA:
       return <DlgDeleteCst />;
     case DialogType.EDIT_EDITORS:

rsconcept/frontend/src/app/mutation-errors.tsx

@@ -1,3 +1,5 @@
+import clsx from 'clsx';
+
 import { useMutationErrors } from '@/backend/use-mutation-errors';
 import { Button } from '@/components/control';
 import { DescribeError } from '@/components/info-error';
@@ -20,9 +22,23 @@ export function MutationErrors() {
   return (
     <div className='cc-modal-wrapper'>
       <ModalBackdrop onHide={resetErrors} />
-      <div className='z-pop px-10 py-3 flex flex-col items-center border rounded-xl bg-background' role='alertdialog'>
+      <div
+        className={clsx(
+          'z-pop', //
+          'flex flex-col px-10 py-3 items-center',
+          'border rounded-xl bg-background'
+        )}
+        role='alertdialog'
+      >
         <h1 className='py-2 select-none'>Ошибка при обработке</h1>
-        <div className='px-3 flex flex-col text-destructive text-sm font-semibold select-text'>
+        <div
+          className={clsx(
+            'max-h-[calc(100svh-8rem)] max-w-[calc(100svw-2rem)]',
+            'px-3 flex flex-col',
+            'text-destructive text-sm font-semibold select-text',
+            'overflow-auto'
+          )}
+        >
           <DescribeError error={mutationErrors[0]} />
         </div>
         <Button onClick={resetErrors} className='w-fit' text='Закрыть' />

rsconcept/frontend/src/components/icons.tsx

@@ -70,6 +70,7 @@ export { LuGlasses        as IconReader }         from 'react-icons/lu';
 export { TbBriefcase      as IconBusiness }       from 'react-icons/tb';
 export { VscLibrary       as IconLibrary }        from 'react-icons/vsc';
 export { BiBot            as IconRobot }          from 'react-icons/bi';
+export { TbGps            as IconCoordinates }    from 'react-icons/tb';
 export { IoLibrary        as IconLibrary2 }       from 'react-icons/io5';
 export { BiDiamond        as IconTemplates }      from 'react-icons/bi';
 export { TbHexagons       as IconOSS }            from 'react-icons/tb';

rsconcept/frontend/src/components/tabs/tab-label.tsx

@@ -20,6 +20,7 @@ export function TabLabel({
   titleHtml,
   hideTitle,
   className,
+  disabled,
   role = 'tab',
   ...otherProps
 }: TabLabelProps) {
@@ -28,10 +29,12 @@ export function TabLabel({
       className={clsx(
         'min-w-20 h-full',
         'px-2 py-1 flex justify-center',
-        'cc-hover cc-animate-color duration-select',
+        'cc-animate-color duration-select',
         'text-sm whitespace-nowrap font-controls',
-        'select-none hover:cursor-pointer',
+        'select-none',
         'outline-hidden',
+        !disabled && 'hover:cursor-pointer cc-hover',
+        disabled && 'text-muted-foreground',
         className
       )}
       tabIndex='-1'
@@ -40,6 +43,7 @@ export function TabLabel({
       data-tooltip-content={title}
       data-tooltip-hidden={hideTitle}
       role={role}
+      disabled={disabled}
       {...otherProps}
     >
       {label}

rsconcept/frontend/src/features/oss/backend/api.ts

@@ -20,6 +20,7 @@ import {
   type IUpdateBlockDTO,
   type IUpdateInputDTO,
   type IUpdateOperationDTO,
+  schemaBlockCreatedResponse,
   schemaConstituentaReference,
   schemaInputCreatedResponse,
   schemaOperationCreatedResponse,
@@ -55,7 +56,7 @@ export const ossApi = {
 
   createBlock: ({ itemID, data }: { itemID: number; data: ICreateBlockDTO }) =>
     axiosPost<ICreateBlockDTO, IBlockCreatedResponse>({
-      schema: schemaOperationCreatedResponse,
+      schema: schemaBlockCreatedResponse,
       endpoint: `/api/oss/${itemID}/create-block`,
       request: {
         data: data,
@@ -74,7 +75,7 @@ export const ossApi = {
   deleteBlock: ({ itemID, data }: { itemID: number; data: IDeleteBlockDTO }) =>
     axiosPatch<IDeleteBlockDTO, IOperationSchemaDTO>({
       schema: schemaOperationSchema,
-      endpoint: `/api/oss/${itemID}/delete-operation`,
+      endpoint: `/api/oss/${itemID}/delete-block`,
       request: {
         data: data,
         successMessage: infoMsg.operationDestroyed

rsconcept/frontend/src/features/oss/backend/oss-loader.ts

@@ -7,12 +7,10 @@ import { type ILibraryItem } from '@/features/library';
 import { Graph } from '@/models/graph';
 
 import { type IBlock, type IOperation, type IOperationSchema, type IOperationSchemaStats } from '../models/oss';
+import { BLOCK_NODE_MIN_HEIGHT, BLOCK_NODE_MIN_WIDTH } from '../pages/oss-page/editor-oss-graph/graph/block-node';
 
 import { type IOperationSchemaDTO, OperationType } from './types';
 
-export const DEFAULT_BLOCK_WIDTH = 100;
-export const DEFAULT_BLOCK_HEIGHT = 100;
-
 /** Loads data into an {@link IOperationSchema} based on {@link IOperationSchemaDTO}. */
 export class OssLoader {
   private oss: IOperationSchema;
@@ -58,7 +56,7 @@ export class OssLoader {
       this.blockByID.set(block.id, block);
       this.hierarchy.addNode(-block.id);
       if (block.parent) {
-        this.graph.addEdge(-block.parent, -block.id);
+        this.hierarchy.addEdge(-block.parent, -block.id);
       }
     });
   }
@@ -92,8 +90,8 @@ export class OssLoader {
       const geometry = this.oss.layout.blocks.find(item => item.id === block.id);
       block.x = geometry?.x ?? 0;
       block.y = geometry?.y ?? 0;
-      block.width = geometry?.width ?? DEFAULT_BLOCK_WIDTH;
+      block.width = geometry?.width ?? BLOCK_NODE_MIN_WIDTH;
-      block.height = geometry?.height ?? DEFAULT_BLOCK_HEIGHT;
+      block.height = geometry?.height ?? BLOCK_NODE_MIN_HEIGHT;
     });
   }
 

rsconcept/frontend/src/features/oss/components/pick-contents.tsx

@@ -0,0 +1,156 @@
+'use client';
+
+import { useState } from 'react';
+
+import { MiniButton } from '@/components/control';
+import { createColumnHelper, DataTable } from '@/components/data-table';
+import { IconMoveDown, IconMoveUp, IconRemove } from '@/components/icons';
+import { ComboBox } from '@/components/input/combo-box';
+import { type Styling } from '@/components/props';
+import { cn } from '@/components/utils';
+import { NoData } from '@/components/view';
+
+import { labelOssItem } from '../labels';
+import { type IBlock, type IOperation, type IOperationSchema } from '../models/oss';
+import { isOperation } from '../models/oss-api';
+
+const SELECTION_CLEAR_TIMEOUT = 1000;
+
+interface PickMultiOperationProps extends Styling {
+  value: number[];
+  onChange: (newValue: number[]) => void;
+  schema: IOperationSchema;
+  rows?: number;
+  disallowBlocks?: boolean;
+}
+
+const columnHelper = createColumnHelper<IOperation | IBlock>();
+
+export function PickContents({
+  rows,
+  schema,
+  value,
+  disallowBlocks,
+  onChange,
+  className,
+  ...restProps
+}: PickMultiOperationProps) {
+  const selectedItems = value
+    .map(itemID => (itemID > 0 ? schema.operationByID.get(itemID) : schema.blockByID.get(-itemID)))
+    .filter(item => item !== undefined);
+  const [lastSelected, setLastSelected] = useState<IOperation | IBlock | null>(null);
+  const items = [
+    ...schema.operations.filter(item => !value.includes(item.id)),
+    ...(disallowBlocks ? [] : schema.blocks.filter(item => !value.includes(-item.id)))
+  ];
+
+  function handleDelete(operation: number) {
+    onChange(value.filter(item => item !== operation));
+  }
+
+  function handleSelect(target: IOperation | IBlock | null) {
+    if (target) {
+      setLastSelected(target);
+      onChange([...value, isOperation(target) ? target.id : -target.id]);
+      setTimeout(() => setLastSelected(null), SELECTION_CLEAR_TIMEOUT);
+    }
+  }
+
+  function handleMoveUp(operation: number) {
+    const index = value.indexOf(operation);
+    if (index > 0) {
+      const newSelected = [...value];
+      newSelected[index] = newSelected[index - 1];
+      newSelected[index - 1] = operation;
+      onChange(newSelected);
+    }
+  }
+
+  function handleMoveDown(operation: number) {
+    const index = value.indexOf(operation);
+    if (index < value.length - 1) {
+      const newSelected = [...value];
+      newSelected[index] = newSelected[index + 1];
+      newSelected[index + 1] = operation;
+      onChange(newSelected);
+    }
+  }
+
+  const columns = [
+    columnHelper.accessor(item => isOperation(item), {
+      id: 'type',
+      header: 'Тип',
+      size: 150,
+      minSize: 150,
+      maxSize: 150,
+      cell: props => <div>{isOperation(props.row.original) ? 'Операция' : 'Блок'}</div>
+    }),
+    columnHelper.accessor('title', {
+      id: 'title',
+      header: 'Название',
+      size: 1200,
+      minSize: 300,
+      maxSize: 1200,
+      cell: props => <div className='text-ellipsis'>{props.getValue()}</div>
+    }),
+    columnHelper.display({
+      id: 'actions',
+      size: 0,
+      cell: props => (
+        <div className='flex w-fit'>
+          <MiniButton
+            title='Удалить'
+            noHover
+            className='px-0'
+            icon={<IconRemove size='1rem' className='icon-red' />}
+            onClick={() => handleDelete(props.row.original.id)}
+          />
+          <MiniButton
+            title='Переместить выше'
+            noHover
+            className='px-0'
+            icon={<IconMoveUp size='1rem' className='icon-primary' />}
+            onClick={() => handleMoveUp(props.row.original.id)}
+          />
+          <MiniButton
+            title='Переместить ниже'
+            noHover
+            className='px-0'
+            icon={<IconMoveDown size='1rem' className='icon-primary' />}
+            onClick={() => handleMoveDown(props.row.original.id)}
+          />
+        </div>
+      )
+    })
+  ];
+
+  return (
+    <div className={cn('flex flex-col gap-1 border-t border-x rounded-md bg-input', className)} {...restProps}>
+      <ComboBox
+        noBorder
+        items={items}
+        value={lastSelected}
+        placeholder='Выберите операцию или блок'
+        idFunc={item => String(item.id)}
+        labelValueFunc={item => labelOssItem(item)}
+        labelOptionFunc={item => labelOssItem(item)}
+        onChange={handleSelect}
+      />
+      <DataTable
+        dense
+        noFooter
+        rows={rows}
+        contentHeight='1.3rem'
+        className='cc-scroll-y text-sm select-none border-y rounded-b-md'
+        data={selectedItems}
+        columns={columns}
+        headPosition='0rem'
+        noDataComponent={
+          <NoData>
+            <p>Список пуст</p>
+          </NoData>
+        }
+      />
+    </div>
+  );
+}

rsconcept/frontend/src/features/oss/components/select-block.tsx

@@ -0,0 +1,28 @@
+import { ComboBox } from '@/components/input/combo-box';
+import { type Styling } from '@/components/props';
+
+import { type IBlock } from '../models/oss';
+
+interface SelectBlockProps extends Styling {
+  id?: string;
+  value: IBlock | null;
+  onChange: (newValue: IBlock | null) => void;
+
+  items?: IBlock[];
+  placeholder?: string;
+  noBorder?: boolean;
+  popoverClassname?: string;
+}
+
+export function SelectBlock({ items, placeholder = 'Выберите блок', ...restProps }: SelectBlockProps) {
+  return (
+    <ComboBox
+      items={items}
+      placeholder={placeholder}
+      idFunc={block => String(block.id)}
+      labelValueFunc={block => block.title}
+      labelOptionFunc={block => block.title}
+      {...restProps}
+    />
+  );
+}

rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/dlg-create-block.tsx

@@ -0,0 +1,107 @@
+'use client';
+
+import { useState } from 'react';
+import { FormProvider, useForm, useWatch } from 'react-hook-form';
+import { zodResolver } from '@hookform/resolvers/zod';
+
+import { HelpTopic } from '@/features/help';
+
+import { ModalForm } from '@/components/modal';
+import { TabLabel, TabList, TabPanel, Tabs } from '@/components/tabs';
+import { useDialogsStore } from '@/stores/dialogs';
+
+import { type ICreateBlockDTO, type IOssLayout, schemaCreateBlock } from '../../backend/types';
+import { useCreateBlock } from '../../backend/use-create-block';
+import { type IOperationSchema } from '../../models/oss';
+import { calculateNewBlockPosition } from '../../models/oss-api';
+import { BLOCK_NODE_MIN_HEIGHT, BLOCK_NODE_MIN_WIDTH } from '../../pages/oss-page/editor-oss-graph/graph/block-node';
+
+import { TabBlockCard } from './tab-block-card';
+import { TabBlockChildren } from './tab-block-children';
+
+export interface DlgCreateBlockProps {
+  oss: IOperationSchema;
+  layout: IOssLayout;
+  initialInputs: number[];
+  defaultX: number;
+  defaultY: number;
+  onCreate?: (newID: number) => void;
+}
+
+export const TabID = {
+  CARD: 0,
+  CHILDREN: 1
+} as const;
+export type TabID = (typeof TabID)[keyof typeof TabID];
+
+export function DlgCreateBlock() {
+  const { createBlock } = useCreateBlock();
+
+  const { oss, layout, initialInputs, onCreate, defaultX, defaultY } = useDialogsStore(
+    state => state.props as DlgCreateBlockProps
+  );
+
+  const methods = useForm<ICreateBlockDTO>({
+    resolver: zodResolver(schemaCreateBlock),
+    defaultValues: {
+      item_data: {
+        title: '',
+        description: '',
+        parent: null
+      },
+      position_x: defaultX,
+      position_y: defaultY,
+      width: BLOCK_NODE_MIN_WIDTH,
+      height: BLOCK_NODE_MIN_HEIGHT,
+      children_blocks: initialInputs.filter(id => id < 0).map(id => -id),
+      children_operations: initialInputs.filter(id => id > 0),
+      layout: layout
+    },
+    mode: 'onChange'
+  });
+  const title = useWatch({ control: methods.control, name: 'item_data.title' });
+  const [activeTab, setActiveTab] = useState<TabID>(TabID.CARD);
+  const isValid = !!title && !oss.blocks.some(block => block.title === title);
+
+  function onSubmit(data: ICreateBlockDTO) {
+    const rectangle = calculateNewBlockPosition(data, layout);
+    data.position_x = rectangle.x;
+    data.position_y = rectangle.y;
+    data.width = rectangle.width;
+    data.height = rectangle.height;
+    void createBlock({ itemID: oss.id, data: data }).then(response => onCreate?.(response.new_block.id));
+  }
+
+  return (
+    <ModalForm
+      header='Создание операции'
+      submitText='Создать'
+      canSubmit={isValid}
+      onSubmit={event => void methods.handleSubmit(onSubmit)(event)}
+      className='w-160 px-6 h-128'
+      helpTopic={HelpTopic.CC_OSS}
+    >
+      <Tabs
+        selectedTabClassName='cc-selected'
+        className='grid'
+        selectedIndex={activeTab}
+        onSelect={index => setActiveTab(index as TabID)}
+      >
+        <TabList className='z-pop mx-auto -mb-5 flex border divide-x rounded-none bg-secondary'>
+          <TabLabel title='Основные атрибуты блока' label='Карточка' />
+          <TabLabel title='Выбор вложенных узлов' label='Содержимое' />
+        </TabList>
+
+        <FormProvider {...methods}>
+          <TabPanel>
+            <TabBlockCard />
+          </TabPanel>
+
+          <TabPanel>
+            <TabBlockChildren />
+          </TabPanel>
+        </FormProvider>
+      </Tabs>
+    </ModalForm>
+  );
+}

rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/index.tsx

@@ -0,0 +1 @@
+export { DlgCreateBlock } from './dlg-create-block';

rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/tab-block-card.tsx

@@ -0,0 +1,52 @@
+'use client';
+
+import { Controller, useFormContext } from 'react-hook-form';
+
+import { TextArea, TextInput } from '@/components/input';
+import { useDialogsStore } from '@/stores/dialogs';
+
+import { type ICreateBlockDTO } from '../../backend/types';
+import { SelectBlock } from '../../components/select-block';
+
+import { type DlgCreateBlockProps } from './dlg-create-block';
+
+export function TabBlockCard() {
+  const { oss } = useDialogsStore(state => state.props as DlgCreateBlockProps);
+  const {
+    register,
+    control,
+    formState: { errors }
+  } = useFormContext<ICreateBlockDTO>();
+
+  return (
+    <div className='cc-fade-in cc-column'>
+      <TextInput
+        id='operation_title' //
+        label='Название'
+        {...register('item_data.title')}
+        error={errors.item_data?.title}
+      />
+      <Controller
+        name='item_data.parent'
+        control={control}
+        render={({ field }) => (
+          <SelectBlock
+            items={oss.blocks}
+            className='w-80'
+            value={field.value ? oss.blockByID.get(field.value) ?? null : null}
+            placeholder='Блок содержания не выбран'
+            onChange={value => field.onChange(value ? value.id : null)}
+          />
+        )}
+      />
+
+      <TextArea
+        id='operation_comment' //
+        label='Описание'
+        noResize
+        rows={3}
+        {...register('item_data.description')}
+      />
+    </div>
+  );
+}

rsconcept/frontend/src/features/oss/dialogs/dlg-create-block/tab-block-children.tsx

@@ -0,0 +1,39 @@
+'use client';
+import { useFormContext, useWatch } from 'react-hook-form';
+
+import { Label } from '@/components/input';
+import { useDialogsStore } from '@/stores/dialogs';
+
+import { type ICreateBlockDTO } from '../../backend/types';
+import { PickContents } from '../../components/pick-contents';
+
+import { type DlgCreateBlockProps } from './dlg-create-block';
+
+export function TabBlockChildren() {
+  const { setValue, control } = useFormContext<ICreateBlockDTO>();
+  const { oss } = useDialogsStore(state => state.props as DlgCreateBlockProps);
+  const children_blocks = useWatch({ control, name: 'children_blocks' });
+  const children_operations = useWatch({ control, name: 'children_operations' });
+
+  const value = [...children_blocks.map(id => -id), ...children_operations];
+
+  function handleChangeSelected(newValue: number[]) {
+    setValue(
+      'children_blocks',
+      newValue.filter(id => id < 0).map(id => -id),
+      { shouldValidate: true }
+    );
+    setValue(
+      'children_operations',
+      newValue.filter(id => id > 0),
+      { shouldValidate: true }
+    );
+  }
+
+  return (
+    <div className='cc-fade-in cc-column'>
+      <Label text={`Выбор содержания: [ ${value.length} ]`} />
+      <PickContents schema={oss} value={value} onChange={newValue => handleChangeSelected(newValue)} rows={8} />
+    </div>
+  );
+}

rsconcept/frontend/src/features/oss/dialogs/dlg-create-operation/dlg-create-operation.tsx

@@ -14,7 +14,7 @@ import { type ICreateOperationDTO, type IOssLayout, OperationType, schemaCreateO
 import { useCreateOperation } from '../../backend/use-create-operation';
 import { describeOperationType, labelOperationType } from '../../labels';
 import { type IOperationSchema } from '../../models/oss';
-import { calculateInsertPosition } from '../../models/oss-api';
+import { calculateNewOperationPosition } from '../../models/oss-api';
 
 import { TabInputOperation } from './tab-input-operation';
 import { TabSynthesisOperation } from './tab-synthesis-operation';
@@ -22,6 +22,7 @@ import { TabSynthesisOperation } from './tab-synthesis-operation';
 export interface DlgCreateOperationProps {
   oss: IOperationSchema;
   layout: IOssLayout;
+  initialParent: number | null;
   initialInputs: number[];
   defaultX: number;
   defaultY: number;
@@ -35,9 +36,9 @@ export const TabID = {
 export type TabID = (typeof TabID)[keyof typeof TabID];
 
 export function DlgCreateOperation() {
-  const { createOperation: operationCreate } = useCreateOperation();
+  const { createOperation } = useCreateOperation();
 
-  const { oss, layout, initialInputs, onCreate, defaultX, defaultY } = useDialogsStore(
+  const { oss, layout, initialInputs, initialParent, onCreate, defaultX, defaultY } = useDialogsStore(
     state => state.props as DlgCreateOperationProps
   );
 
@@ -50,7 +51,7 @@ export function DlgCreateOperation() {
         title: '',
         description: '',
         result: null,
-        parent: null
+        parent: initialParent
       },
       position_x: defaultX,
       position_y: defaultY,
@@ -65,13 +66,10 @@ export function DlgCreateOperation() {
   const isValid = !!alias && !oss.operations.some(operation => operation.alias === alias);
 
   function onSubmit(data: ICreateOperationDTO) {
-    const target = calculateInsertPosition(oss, data.arguments, layout, {
+    const target = calculateNewOperationPosition(oss, data, layout);
-      x: defaultX,
-      y: defaultY
-    });
     data.position_x = target.x;
     data.position_y = target.y;
-    void operationCreate({ itemID: oss.id, data: data }).then(response => onCreate?.(response.new_operation.id));
+    void createOperation({ itemID: oss.id, data: data }).then(response => onCreate?.(response.new_operation.id));
   }
 
   function handleSelectTab(newTab: TabID, last: TabID) {

rsconcept/frontend/src/features/oss/dialogs/dlg-create-operation/tab-input-operation.tsx

@@ -12,6 +12,7 @@ import { Checkbox, Label, TextArea, TextInput } from '@/components/input';
 import { useDialogsStore } from '@/stores/dialogs';
 
 import { type ICreateOperationDTO } from '../../backend/types';
+import { SelectBlock } from '../../components/select-block';
 import { sortItemsForOSS } from '../../models/oss-api';
 
 import { type DlgCreateOperationProps } from './dlg-create-operation';
@@ -61,14 +62,27 @@ export function TabInputOperation() {
         error={errors.item_data?.title}
       />
       <div className='flex gap-6'>
-        <TextInput
+        <div className='grid gap-1'>
-          id='operation_alias' //
+          <TextInput
-          label='Сокращение'
+            id='operation_alias' //
-          className='w-64'
+            label='Сокращение'
-          {...register('item_data.alias')}
+            className='w-64'
-          error={errors.item_data?.alias}
+            {...register('item_data.alias')}
-        />
+            error={errors.item_data?.alias}
-
+          />
+          <Controller
+            name='item_data.parent'
+            control={control}
+            render={({ field }) => (
+              <SelectBlock
+                items={oss.blocks}
+                value={field.value ? oss.blockByID.get(field.value) ?? null : null}
+                placeholder='Блок содержания'
+                onChange={value => field.onChange(value ? value.id : null)}
+              />
+            )}
+          />
+        </div>
         <TextArea
           id='operation_comment' //
           label='Описание'

rsconcept/frontend/src/features/oss/dialogs/dlg-create-operation/tab-synthesis-operation.tsx

@@ -5,6 +5,7 @@ import { useDialogsStore } from '@/stores/dialogs';
 
 import { type ICreateOperationDTO } from '../../backend/types';
 import { PickMultiOperation } from '../../components/pick-multi-operation';
+import { SelectBlock } from '../../components/select-block';
 
 import { type DlgCreateOperationProps } from './dlg-create-operation';
 
@@ -26,14 +27,27 @@ export function TabSynthesisOperation() {
         error={errors.item_data?.title}
       />
       <div className='flex gap-6'>
-        <TextInput
+        <div className='grid gap-1'>
-          id='operation_alias'
+          <TextInput
-          label='Сокращение'
+            id='operation_alias' //
-          className='w-64'
+            label='Сокращение'
-          {...register('item_data.alias')}
+            className='w-64'
-          error={errors.item_data?.alias}
+            {...register('item_data.alias')}
-        />
+            error={errors.item_data?.alias}
-
+          />
+          <Controller
+            name='item_data.parent'
+            control={control}
+            render={({ field }) => (
+              <SelectBlock
+                items={oss.blocks}
+                value={field.value ? oss.blockByID.get(field.value) ?? null : null}
+                placeholder='Блок содержания'
+                onChange={value => field.onChange(value ? value.id : null)}
+              />
+            )}
+          />
+        </div>
         <TextArea
           id='operation_comment'
           label='Описание'

rsconcept/frontend/src/features/oss/dialogs/dlg-delete-operation.tsx

@@ -21,7 +21,7 @@ export interface DlgDeleteOperationProps {
 
 export function DlgDeleteOperation() {
   const { oss, target, layout } = useDialogsStore(state => state.props as DlgDeleteOperationProps);
-  const { deleteOperation: operationDelete } = useDeleteOperation();
+  const { deleteOperation } = useDeleteOperation();
 
   const { handleSubmit, control } = useForm<IDeleteOperationDTO>({
     resolver: zodResolver(schemaDeleteOperation),
@@ -34,7 +34,7 @@ export function DlgDeleteOperation() {
   });
 
   function onSubmit(data: IDeleteOperationDTO) {
-    return operationDelete({ itemID: oss.id, data: data });
+    return deleteOperation({ itemID: oss.id, data: data });
   }
 
   return (

rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation.tsx

@@ -34,7 +34,7 @@ export type TabID = (typeof TabID)[keyof typeof TabID];
 
 export function DlgEditOperation() {
   const { oss, target, layout } = useDialogsStore(state => state.props as DlgEditOperationProps);
-  const { updateOperation: operationUpdate } = useUpdateOperation();
+  const { updateOperation } = useUpdateOperation();
 
   const methods = useForm<IUpdateOperationDTO>({
     resolver: zodResolver(schemaUpdateOperation),
@@ -58,7 +58,7 @@ export function DlgEditOperation() {
   const [activeTab, setActiveTab] = useState<TabID>(TabID.CARD);
 
   function onSubmit(data: IUpdateOperationDTO) {
-    return operationUpdate({ itemID: oss.id, data });
+    return updateOperation({ itemID: oss.id, data });
   }
 
   return (
@@ -78,13 +78,23 @@ export function DlgEditOperation() {
         onSelect={index => setActiveTab(index as TabID)}
       >
         <TabList className='mb-3 mx-auto w-fit flex border divide-x rounded-none bg-secondary'>
-          <TabLabel title='Текстовые поля' label='Карточка' className='w-32' />
+          <TabLabel
-          {target.operation_type === OperationType.SYNTHESIS ? (
+            title='Текстовые поля' //
-            <TabLabel title='Выбор аргументов операции' label='Аргументы' className='w-32' />
+            label='Карточка'
-          ) : null}
+            className='w-32'
-          {target.operation_type === OperationType.SYNTHESIS ? (
+          />
-            <TabLabel titleHtml='Таблица отождествлений' label='Отождествления' className='w-32' />
+          <TabLabel
-          ) : null}
+            title='Выбор аргументов операции'
+            label='Аргументы'
+            className='w-32'
+            disabled={target.operation_type !== OperationType.SYNTHESIS}
+          />
+          <TabLabel
+            titleHtml='Таблица отождествлений'
+            label='Отождествления'
+            className='w-32'
+            disabled={target.operation_type !== OperationType.SYNTHESIS}
+          />
         </TabList>
 
         <FormProvider {...methods}>

rsconcept/frontend/src/features/oss/dialogs/dlg-edit-operation/tab-operation.tsx

@@ -1,12 +1,18 @@
-import { useFormContext } from 'react-hook-form';
+import { Controller, useFormContext } from 'react-hook-form';
 
 import { TextArea, TextInput } from '@/components/input';
+import { useDialogsStore } from '@/stores/dialogs';
 
 import { type IUpdateOperationDTO } from '../../backend/types';
+import { SelectBlock } from '../../components/select-block';
+
+import { type DlgEditOperationProps } from './dlg-edit-operation';
 
 export function TabOperation() {
+  const { oss } = useDialogsStore(state => state.props as DlgEditOperationProps);
   const {
     register,
+    control,
     formState: { errors }
   } = useFormContext<IUpdateOperationDTO>();
 
@@ -14,19 +20,32 @@ export function TabOperation() {
     <div className='cc-fade-in cc-column'>
       <TextInput
         id='operation_title'
-        label='Названиее'
+        label='Название'
         {...register('item_data.title')}
         error={errors.item_data?.title}
       />
       <div className='flex gap-6'>
-        <TextInput
+        <div className='grid gap-1'>
-          id='operation_alias'
+          <TextInput
-          label='Сокращение'
+            id='operation_alias' //
-          className='w-64'
+            label='Сокращение'
-          {...register('item_data.alias')}
+            className='w-64'
-          error={errors.item_data?.alias}
+            {...register('item_data.alias')}
-        />
+            error={errors.item_data?.alias}
-
+          />
+          <Controller
+            name='item_data.parent'
+            control={control}
+            render={({ field }) => (
+              <SelectBlock
+                items={oss.blocks}
+                value={field.value ? oss.blockByID.get(field.value) ?? null : null}
+                placeholder='Блок содержания'
+                onChange={value => field.onChange(value ? value.id : null)}
+              />
+            )}
+          />
+        </div>
         <TextArea
           id='operation_comment'
           label='Описание'

rsconcept/frontend/src/features/oss/labels.ts

@@ -1,9 +1,13 @@
 import { OperationType } from './backend/types';
-import { type ISubstitutionErrorDescription, SubstitutionErrorType } from './models/oss';
+import {
+  type IOperation,
+  type IOssItem,
+  type ISubstitutionErrorDescription,
+  SubstitutionErrorType
+} from './models/oss';
+import { isOperation } from './models/oss-api';
 
-/**
+/** Retrieves label for {@link OperationType}. */
- * Retrieves label for {@link OperationType}.
- */
 export function labelOperationType(itemType: OperationType): string {
   // prettier-ignore
   switch (itemType) {
@@ -12,9 +16,7 @@ export function labelOperationType(itemType: OperationType): string {
   }
 }
 
-/**
+/** Retrieves description for {@link OperationType}. */
- * Retrieves description for {@link OperationType}.
- */
 export function describeOperationType(itemType: OperationType): string {
   // prettier-ignore
   switch (itemType) {
@@ -23,9 +25,7 @@ export function describeOperationType(itemType: OperationType): string {
   }
 }
 
-/**
+/** Generates error description for {@link ISubstitutionErrorDescription}. */
- * Generates error description for {@link ISubstitutionErrorDescription}.
- */
 export function describeSubstitutionError(error: ISubstitutionErrorDescription): string {
   switch (error.errorType) {
     case SubstitutionErrorType.invalidIDs:
@@ -53,3 +53,12 @@ export function describeSubstitutionError(error: ISubstitutionErrorDescription):
   }
   return 'UNKNOWN ERROR';
 }
+
+/** Retrieves label for {@link IOssItem}. */
+export function labelOssItem(item: IOssItem): string {
+  if (isOperation(item)) {
+    return `${(item as IOperation).alias}: ${item.title}`;
+  } else {
+    return `Блок: ${item.title}`;
+  }
+}

rsconcept/frontend/src/features/oss/models/oss-api.ts

@@ -22,22 +22,26 @@ import {
 import { infoMsg } from '@/utils/labels';
 
 import { Graph } from '../../../models/graph';
-import { type IOssLayout } from '../backend/types';
+import { type ICreateBlockDTO, type ICreateOperationDTO, type IOssLayout } from '../backend/types';
 import { describeSubstitutionError } from '../labels';
+import { OPERATION_NODE_HEIGHT, OPERATION_NODE_WIDTH } from '../pages/oss-page/editor-oss-graph/graph/node-core';
 
-import { type IOperationSchema, SubstitutionErrorType } from './oss';
+import { type IOperationSchema, type IOssItem, SubstitutionErrorType } from './oss';
-import { type Position2D } from './oss-layout';
+import { type Position2D, type Rectangle2D } from './oss-layout';
 
 export const GRID_SIZE = 10; // pixels - size of OSS grid
-const MIN_DISTANCE = 20; // pixels - minimum distance between node centers
+const MIN_DISTANCE = 2 * GRID_SIZE; // pixels - minimum distance between nodes
 const DISTANCE_X = 180; // pixels - insert x-distance between node centers
 const DISTANCE_Y = 100; // pixels - insert y-distance between node centers
 
 const STARTING_SUB_INDEX = 900; // max semantic index for starting substitution
 
-/**
+/** Checks if element is {@link IOperation} or {@link IBlock}. */
- * Sorts library items relevant for the specified {@link IOperationSchema}.
+export function isOperation(item: IOssItem): boolean {
- */
+  return 'arguments' in item;
+}
+
+/** Sorts library items relevant for the specified {@link IOperationSchema}. */
 export function sortItemsForOSS(oss: IOperationSchema, items: ILibraryItem[]): ILibraryItem[] {
   const result = items.filter(item => item.location === oss.location);
   for (const item of items) {
@@ -60,9 +64,7 @@ export function sortItemsForOSS(oss: IOperationSchema, items: ILibraryItem[]): I
 
 type CrossMapping = Map<number, AliasMapping>;
 
-/**
+/** Validator for Substitution table. */
- * Validator for Substitution table.
- */
 export class SubstitutionValidator {
   public msg: string = '';
   public suggestions: ICstSubstitute[] = [];
@@ -476,22 +478,21 @@ export function getRelocateCandidates(
   return addedCst.filter(cst => !unreachable.includes(cst.id));
 }
 
-/**
+/** Calculate insert position for a new {@link IOperation} */
- * Calculate insert position for a new {@link IOperation}
+export function calculateNewOperationPosition(
- */
-export function calculateInsertPosition(
   oss: IOperationSchema,
-  argumentsOps: number[],
+  data: ICreateOperationDTO,
-  layout: IOssLayout,
+  layout: IOssLayout
-  defaultPosition: Position2D
 ): Position2D {
-  const result = defaultPosition;
+  // TODO: check parent node
+
+  const result = { x: data.position_x, y: data.position_y };
   const operations = layout.operations;
   if (operations.length === 0) {
     return result;
   }
 
-  if (argumentsOps.length === 0) {
+  if (data.arguments.length === 0) {
     let inputsPositions = operations.filter(pos =>
       oss.operations.find(operation => operation.arguments.length === 0 && operation.id === pos.id)
     );
@@ -503,7 +504,7 @@ export function calculateInsertPosition(
     result.x = maxX + DISTANCE_X;
     result.y = minY;
   } else {
-    const argNodes = operations.filter(pos => argumentsOps.includes(pos.id));
+    const argNodes = operations.filter(pos => data.arguments.includes(pos.id));
     const maxY = Math.max(...argNodes.map(node => node.y));
     const minX = Math.min(...argNodes.map(node => node.x));
     const maxX = Math.max(...argNodes.map(node => node.x));
@@ -523,3 +524,51 @@ export function calculateInsertPosition(
   } while (flagIntersect);
   return result;
 }
+
+/** Calculate insert position for a new {@link IBlock} */
+export function calculateNewBlockPosition(data: ICreateBlockDTO, layout: IOssLayout): Rectangle2D {
+  const block_nodes = data.children_blocks
+    .map(id => layout.blocks.find(block => block.id === -id))
+    .filter(node => !!node);
+  const operation_nodes = data.children_operations
+    .map(id => layout.operations.find(operation => operation.id === id))
+    .filter(node => !!node);
+
+  if (block_nodes.length === 0 && operation_nodes.length === 0) {
+    return { x: data.position_x, y: data.position_y, width: data.width, height: data.height };
+  }
+
+  let left = undefined;
+  let top = undefined;
+  let right = undefined;
+  let bottom = undefined;
+
+  for (const node of block_nodes) {
+    left = !left ? node.x - GRID_SIZE : Math.min(left, node.x - GRID_SIZE);
+    top = !top ? node.y - GRID_SIZE : Math.min(top, node.y - GRID_SIZE);
+    right = !right
+      ? Math.max(left + data.width, node.x + node.width + GRID_SIZE)
+      : Math.max(right, node.x + node.width + GRID_SIZE);
+    bottom = !bottom
+      ? Math.max(top + data.height, node.y + node.height + GRID_SIZE)
+      : Math.max(bottom, node.y + node.height + GRID_SIZE);
+  }
+
+  for (const node of operation_nodes) {
+    left = !left ? node.x - GRID_SIZE : Math.min(left, node.x - GRID_SIZE);
+    top = !top ? node.y - GRID_SIZE : Math.min(top, node.y - GRID_SIZE);
+    right = !right
+      ? Math.max(left + data.width, node.x + OPERATION_NODE_WIDTH + GRID_SIZE)
+      : Math.max(right, node.x + OPERATION_NODE_WIDTH + GRID_SIZE);
+    bottom = !bottom
+      ? Math.max(top + data.height, node.y + OPERATION_NODE_HEIGHT + GRID_SIZE)
+      : Math.max(bottom, node.y + OPERATION_NODE_HEIGHT + GRID_SIZE);
+  }
+
+  return {
+    x: left ?? data.position_x,
+    y: top ?? data.position_y,
+    width: right && left ? right - left : data.width,
+    height: bottom && top ? bottom - top : data.height
+  };
+}

rsconcept/frontend/src/features/oss/models/oss-layout.ts

@@ -5,14 +5,18 @@ import { type Node } from 'reactflow';
 
 import { type IBlock, type IOperation } from './oss';
 
-/**
+/** Represents XY Position. */
- * Represents XY Position.
- */
 export interface Position2D {
   x: number;
   y: number;
 }
 
+/** Represents XY Position and dimensions. */
+export interface Rectangle2D extends Position2D {
+  width: number;
+  height: number;
+}
+
 /** Represents graph OSS node data. */
 export interface OssNode extends Node {
   id: string;

rsconcept/frontend/src/features/oss/models/oss.ts

@@ -52,6 +52,9 @@ export interface IOperationSchema extends IOperationSchemaDTO {
   blockByID: Map<number, IBlock>;
 }
 
+/** Represents item of OperationSchema. */
+export type IOssItem = IOperation | IBlock;
+
 /** Represents substitution error description. */
 export interface ISubstitutionErrorDescription {
   errorType: SubstitutionErrorType;

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-card/oss-stats.tsx

@@ -23,6 +23,12 @@ export function OssStats({ className, stats }: OssStatsProps) {
         <span>Всего</span>
         <span>{stats.count_all}</span>
       </div>
+      <ValueStats
+        id='count_block'
+        title='Блоки'
+        icon={<IconConceptBlock size='1.25rem' className='text-primary' />}
+        value={stats.count_block}
+      />
       <ValueStats
         id='count_inputs'
         title='Загрузка'
@@ -35,12 +41,6 @@ export function OssStats({ className, stats }: OssStatsProps) {
         icon={<IconSynthesis size='1.25rem' className='text-primary' />}
         value={stats.count_synthesis}
       />
-      <ValueStats
-        id='count_block'
-        title='Блоки'
-        icon={<IconConceptBlock size='1.25rem' className='text-primary' />}
-        value={stats.count_block}
-      />
 
       <ValueStats
         id='count_schemas'

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-graph/graph/block-node.tsx

@@ -3,20 +3,37 @@
 import { NodeResizeControl } from 'reactflow';
 import clsx from 'clsx';
 
+import { useOSSGraphStore } from '@/features/oss/stores/oss-graph';
+
 import { IconResize } from '@/components/icons';
 
 import { type BlockInternalNode } from '../../../../models/oss-layout';
 import { useOssEdit } from '../../oss-edit-context';
 
+export const BLOCK_NODE_MIN_WIDTH = 160;
+export const BLOCK_NODE_MIN_HEIGHT = 100;
+
 export function BlockNode(node: BlockInternalNode) {
+  const showCoordinates = useOSSGraphStore(state => state.showCoordinates);
   const { selected, schema } = useOssEdit();
   const singleSelected = selected.length === 1 ? selected[0] : null;
   const isParent = !singleSelected ? false : schema.hierarchy.at(singleSelected)?.inputs.includes(node.data.block.id);
   return (
     <>
-      <NodeResizeControl minWidth={160} minHeight={100}>
+      <NodeResizeControl minWidth={BLOCK_NODE_MIN_WIDTH} minHeight={BLOCK_NODE_MIN_HEIGHT}>
         <IconResize size={8} className='absolute bottom-[2px] right-[2px]' />
       </NodeResizeControl>
+      {showCoordinates ? (
+        <div
+          className={clsx(
+            'absolute top-full mt-1 right-[1px]',
+            'text-[7px]/[8px] font-math',
+            'text-muted-foreground hover:text-foreground'
+          )}
+        >
+          {`X: ${node.xPos.toFixed(0)} Y: ${node.yPos.toFixed(0)}`}
+        </div>
+      ) : null}
       <div className={clsx('cc-node-block h-full w-full', isParent && 'border-primary')}>
         <div
           className={clsx(

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-graph/graph/node-core.tsx

@@ -2,6 +2,8 @@
 
 import clsx from 'clsx';
 
+import { useOSSGraphStore } from '@/features/oss/stores/oss-graph';
+
 import { IconConsolidation, IconRSForm } from '@/components/icons';
 import { Indicator } from '@/components/view';
 import { globalIDs } from '@/utils/constants';
@@ -22,6 +24,7 @@ interface NodeCoreProps {
 
 export function NodeCore({ node }: NodeCoreProps) {
   const setHover = useOperationTooltipStore(state => state.setActiveOperation);
+  const showCoordinates = useOSSGraphStore(state => state.showCoordinates);
 
   const hasFile = !!node.data.operation.result;
   const longLabel = node.data.label.length > LONG_LABEL_CHARS;
@@ -47,6 +50,17 @@ export function NodeCore({ node }: NodeCoreProps) {
           />
         ) : null}
       </div>
+      {showCoordinates ? (
+        <div
+          className={clsx(
+            'absolute top-full mt-1 right-[1px]',
+            'text-[7px]/[8px] font-math',
+            'text-muted-foreground hover:text-foreground'
+          )}
+        >
+          {`X: ${node.xPos.toFixed(0)} Y: ${node.yPos.toFixed(0)}`}
+        </div>
+      ) : null}
 
       {node.data.operation.operation_type === OperationType.INPUT ? (
         <div className='absolute top-[1px] right-1/2 translate-x-1/2 border-t w-[30px]' />

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-graph/oss-flow.tsx

@@ -12,6 +12,7 @@ import {
   useStoreApi
 } from 'reactflow';
 
+import { useDeleteBlock } from '@/features/oss/backend/use-delete-block';
 import { type IOperationSchema } from '@/features/oss/models/oss';
 
 import { useMainHeight } from '@/stores/app-layout';
@@ -60,11 +61,13 @@ export function OssFlow() {
   const setHoverOperation = useOperationTooltipStore(state => state.setActiveOperation);
 
   const showGrid = useOSSGraphStore(state => state.showGrid);
+  const showCoordinates = useOSSGraphStore(state => state.showCoordinates);
   const edgeAnimate = useOSSGraphStore(state => state.edgeAnimate);
   const edgeStraight = useOSSGraphStore(state => state.edgeStraight);
 
   const getLayout = useGetLayout();
-  const { updateLayout: updatePositions } = useUpdateLayout();
+  const { updateLayout } = useUpdateLayout();
+  const { deleteBlock } = useDeleteBlock();
 
   const [nodes, setNodes, onNodesChange] = useNodesState([]);
   const [edges, setEdges, onEdgesChange] = useEdgesState([]);
@@ -72,7 +75,10 @@ export function OssFlow() {
   const [menuProps, setMenuProps] = useState<ContextMenuData>({ operation: null, cursorX: 0, cursorY: 0 });
   const [isContextMenuOpen, setIsContextMenuOpen] = useState(false);
 
+  const [mouseCoords, setMouseCoords] = useState<Position2D>({ x: 0, y: 0 });
+
   const showCreateOperation = useDialogsStore(state => state.showCreateOperation);
+  const showCreateBlock = useDialogsStore(state => state.showCreateBlock);
   const showDeleteOperation = useDialogsStore(state => state.showDeleteOperation);
 
   function onSelectionChange({ nodes }: { nodes: Node[] }) {
@@ -99,8 +105,10 @@ export function OssFlow() {
             type: 'block',
             data: { label: block.title, block: block },
             position: computeRelativePosition(schema, { x: block.x, y: block.y }, block.parent),
-            width: block.width,
+            style: {
-            height: block.height,
+              width: block.width,
+              height: block.height
+            },
             parentId: block.parent ? `-${block.parent}` : undefined,
             expandParent: true,
             extent: 'parent' as const,
@@ -135,7 +143,7 @@ export function OssFlow() {
   }, [schema, setNodes, setEdges, toggleReset, edgeStraight, edgeAnimate, fitView]);
 
   function handleSavePositions() {
-    void updatePositions({ itemID: schema.id, data: getLayout() });
+    void updateLayout({ itemID: schema.id, data: getLayout() });
   }
 
   function handleCreateOperation() {
@@ -146,6 +154,20 @@ export function OssFlow() {
       defaultY: targetPosition.y,
       layout: getLayout(),
       initialInputs: selected.filter(id => id > 0),
+      initialParent: extractSingleBlock(selected),
+      onCreate: () =>
+        setTimeout(() => fitView({ duration: PARAMETER.zoomDuration, padding: VIEW_PADDING }), PARAMETER.refreshTimeout)
+    });
+  }
+
+  function handleCreateBlock() {
+    const targetPosition = screenToFlowPosition({ x: window.innerWidth / 2, y: window.innerHeight / 2 });
+    showCreateBlock({
+      oss: schema,
+      defaultX: targetPosition.x,
+      defaultY: targetPosition.y,
+      layout: getLayout(),
+      initialInputs: selected,
       onCreate: () =>
         setTimeout(() => fitView({ duration: PARAMETER.zoomDuration, padding: VIEW_PADDING }), PARAMETER.refreshTimeout)
     });
@@ -155,15 +177,23 @@ export function OssFlow() {
     if (selected.length !== 1) {
       return;
     }
-    const operation = schema.operationByID.get(selected[0]);
+    if (selected[0] > 0) {
-    if (!operation || !canDelete(operation)) {
+      const operation = schema.operationByID.get(selected[0]);
-      return;
+      if (!operation || !canDelete(operation)) {
+        return;
+      }
+      showDeleteOperation({
+        oss: schema,
+        target: operation,
+        layout: getLayout()
+      });
+    } else {
+      const block = schema.blockByID.get(-selected[0]);
+      if (!block) {
+        return;
+      }
+      void deleteBlock({ itemID: schema.id, data: { target: block.id, layout: getLayout() } });
     }
-    showDeleteOperation({
-      oss: schema,
-      target: operation,
-      layout: getLayout()
-    });
   }
 
   function handleContextMenu(event: React.MouseEvent<Element>, node: OssNode) {
@@ -209,7 +239,11 @@ export function OssFlow() {
     if ((event.ctrlKey || event.metaKey) && event.code === 'KeyQ') {
       event.preventDefault();
       event.stopPropagation();
-      handleCreateOperation();
+      if (event.shiftKey) {
+        handleCreateBlock();
+      } else {
+        handleCreateOperation();
+      }
       return;
     }
     if (event.key === 'Delete') {
@@ -220,11 +254,27 @@ export function OssFlow() {
     }
   }
 
+  function handleMouseMove(event: React.MouseEvent<HTMLDivElement>) {
+    const targetPosition = screenToFlowPosition({ x: event.clientX, y: event.clientY });
+    setMouseCoords(targetPosition);
+  }
+
   return (
-    <div tabIndex={-1} className='relative' onKeyDown={handleKeyDown}>
+    <div
+      tabIndex={-1}
+      className='relative'
+      onKeyDown={handleKeyDown}
+      onMouseMove={showCoordinates ? handleMouseMove : undefined}
+    >
+      {showCoordinates ? (
+        <div className='absolute top-1 right-2 hover:bg-background backdrop-blur-xs text-sm font-math'>
+          {`X: ${mouseCoords.x.toFixed(0)} Y: ${mouseCoords.y.toFixed(0)}`}
+        </div>
+      ) : null}
       <ToolbarOssGraph
         className='absolute z-pop top-8 right-1/2 translate-x-1/2'
-        onCreate={handleCreateOperation}
+        onCreateOperation={handleCreateOperation}
+        onCreateBlock={handleCreateBlock}
         onDelete={handleDeleteSelected}
         onResetPositions={() => setToggleReset(prev => !prev)}
       />
@@ -274,3 +324,8 @@ function computeRelativePosition(schema: IOperationSchema, position: Position2D,
     y: position.y - parentBlock.y
   };
 }
+
+function extractSingleBlock(selected: number[]): number | null {
+  const blocks = selected.filter(id => id < 0);
+  return blocks.length === 1 ? -blocks[0] : null;
+}

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-graph/toolbar-oss-graph.tsx

@@ -11,6 +11,8 @@ import { MiniButton } from '@/components/control';
 import {
   IconAnimation,
   IconAnimationOff,
+  IconConceptBlock,
+  IconCoordinates,
   IconDestroy,
   IconEdit2,
   IconExecute,
@@ -37,13 +39,15 @@ import { VIEW_PADDING } from './oss-flow';
 import { useGetLayout } from './use-get-layout';
 
 interface ToolbarOssGraphProps extends Styling {
-  onCreate: () => void;
+  onCreateOperation: () => void;
+  onCreateBlock: () => void;
   onDelete: () => void;
   onResetPositions: () => void;
 }
 
 export function ToolbarOssGraph({
-  onCreate,
+  onCreateOperation,
+  onCreateBlock,
   onDelete,
   onResetPositions,
   className,
@@ -53,12 +57,15 @@ export function ToolbarOssGraph({
   const isProcessing = useMutatingOss();
   const { fitView } = useReactFlow();
   const selectedOperation = selected.length !== 1 ? null : schema.operationByID.get(selected[0]) ?? null;
+  const selectedBlock = selected.length !== 1 ? null : schema.blockByID.get(-selected[0]) ?? null;
   const getLayout = useGetLayout();
 
   const showGrid = useOSSGraphStore(state => state.showGrid);
+  const showCoordinates = useOSSGraphStore(state => state.showCoordinates);
   const edgeAnimate = useOSSGraphStore(state => state.edgeAnimate);
   const edgeStraight = useOSSGraphStore(state => state.edgeStraight);
   const toggleShowGrid = useOSSGraphStore(state => state.toggleShowGrid);
+  const toggleShowCoordinates = useOSSGraphStore(state => state.toggleShowCoordinates);
   const toggleEdgeAnimate = useOSSGraphStore(state => state.toggleEdgeAnimate);
   const toggleEdgeStraight = useOSSGraphStore(state => state.toggleEdgeStraight);
 
@@ -174,6 +181,12 @@ export function ToolbarOssGraph({
           }
           onClick={toggleEdgeAnimate}
         />
+        <MiniButton
+          title={showCoordinates ? 'Координаты: вкл' : 'Координаты: выкл'}
+          aria-label='Переключатель видимости координат (для отладки)'
+          icon={<IconCoordinates size='1.25rem' className={showCoordinates ? 'icon-green' : 'icon-primary'} />}
+          onClick={toggleShowCoordinates}
+        />
         <BadgeHelp topic={HelpTopic.UI_OSS_GRAPH} contentClass='sm:max-w-160' offset={4} />
       </div>
       {isMutable ? (
@@ -185,11 +198,18 @@ export function ToolbarOssGraph({
             onClick={handleSavePositions}
             disabled={isProcessing}
           />
+          <MiniButton
+            titleHtml={prepareTooltip('Новый блок', 'Ctrl + Shift + Q')}
+            aria-label='Новый блок'
+            icon={<IconConceptBlock size='1.25rem' className='icon-green' />}
+            onClick={onCreateBlock}
+            disabled={isProcessing}
+          />
           <MiniButton
             titleHtml={prepareTooltip('Новая операция', 'Ctrl + Q')}
             aria-label='Новая операция'
             icon={<IconNewItem size='1.25rem' className='icon-green' />}
-            onClick={onCreate}
+            onClick={onCreateOperation}
             disabled={isProcessing}
           />
           <MiniButton
@@ -210,7 +230,11 @@ export function ToolbarOssGraph({
             aria-label='Удалить выбранную'
             icon={<IconDestroy size='1.25rem' className='icon-red' />}
             onClick={onDelete}
-            disabled={selected.length !== 1 || isProcessing || !selectedOperation || !canDelete(selectedOperation)}
+            disabled={
+              isProcessing ||
+              (!selectedOperation && !selectedBlock) ||
+              (!!selectedOperation && !canDelete(selectedOperation))
+            }
           />
         </div>
       ) : null}

rsconcept/frontend/src/features/oss/pages/oss-page/editor-oss-graph/use-get-layout.tsx

@@ -1,12 +1,13 @@
 import { type Node, useReactFlow } from 'reactflow';
 
-import { DEFAULT_BLOCK_HEIGHT, DEFAULT_BLOCK_WIDTH } from '@/features/oss/backend/oss-loader';
 import { type IOssLayout } from '@/features/oss/backend/types';
 import { type IOperationSchema } from '@/features/oss/models/oss';
 import { type Position2D } from '@/features/oss/models/oss-layout';
 
 import { useOssEdit } from '../oss-edit-context';
 
+import { BLOCK_NODE_MIN_HEIGHT, BLOCK_NODE_MIN_WIDTH } from './graph/block-node';
+
 export function useGetLayout() {
   const { getNodes } = useReactFlow();
   const { schema } = useOssEdit();
@@ -26,8 +27,8 @@ export function useGetLayout() {
         .map(node => ({
           id: -Number(node.id),
           ...computeAbsolutePosition(node, schema, nodeById),
-          width: node.width ?? DEFAULT_BLOCK_WIDTH,
+          width: node.width ?? BLOCK_NODE_MIN_WIDTH,
-          height: node.height ?? DEFAULT_BLOCK_HEIGHT
+          height: node.height ?? BLOCK_NODE_MIN_HEIGHT
         }))
     };
   };

rsconcept/frontend/src/features/oss/stores/oss-graph.ts

@@ -5,6 +5,9 @@ interface OSSGraphStore {
   showGrid: boolean;
   toggleShowGrid: () => void;
 
+  showCoordinates: boolean;
+  toggleShowCoordinates: () => void;
+
   edgeAnimate: boolean;
   toggleEdgeAnimate: () => void;
 
@@ -18,6 +21,9 @@ export const useOSSGraphStore = create<OSSGraphStore>()(
       showGrid: false,
       toggleShowGrid: () => set(state => ({ showGrid: !state.showGrid })),
 
+      showCoordinates: false,
+      toggleShowCoordinates: () => set(state => ({ showCoordinates: !state.showCoordinates })),
+
       edgeAnimate: false,
       toggleEdgeAnimate: () => set(state => ({ edgeAnimate: !state.edgeAnimate })),
 

rsconcept/frontend/src/stores/dialogs.ts

@@ -6,6 +6,7 @@ import { type DlgCreateVersionProps } from '@/features/library/dialogs/dlg-creat
 import { type DlgEditEditorsProps } from '@/features/library/dialogs/dlg-edit-editors/dlg-edit-editors';
 import { type DlgEditVersionsProps } from '@/features/library/dialogs/dlg-edit-versions/dlg-edit-versions';
 import { type DlgChangeInputSchemaProps } from '@/features/oss/dialogs/dlg-change-input-schema';
+import { type DlgCreateBlockProps } from '@/features/oss/dialogs/dlg-create-block/dlg-create-block';
 import { type DlgCreateOperationProps } from '@/features/oss/dialogs/dlg-create-operation/dlg-create-operation';
 import { type DlgDeleteOperationProps } from '@/features/oss/dialogs/dlg-delete-operation';
 import { type DlgEditOperationProps } from '@/features/oss/dialogs/dlg-edit-operation/dlg-edit-operation';
@@ -26,28 +27,36 @@ import { type DlgUploadRSFormProps } from '@/features/rsform/dialogs/dlg-upload-
 /** Represents global dialog. */
 export const DialogType = {
   CONSTITUENTA_TEMPLATE: 1,
-  CREATE_CONSTITUENTA: 2,
+  SUBSTITUTE_CONSTITUENTS: 2,
-  CREATE_OPERATION: 3,
+
-  DELETE_CONSTITUENTA: 4,
+  CREATE_VERSION: 3,
-  EDIT_EDITORS: 5,
+
-  EDIT_OPERATION: 6,
+  CREATE_CONSTITUENTA: 4,
-  EDIT_REFERENCE: 7,
+  DELETE_CONSTITUENTA: 5,
-  EDIT_VERSIONS: 8,
+  RENAME_CONSTITUENTA: 6,
-  EDIT_WORD_FORMS: 9,
+
-  INLINE_SYNTHESIS: 10,
+  CREATE_BLOCK: 7,
-  SHOW_AST: 11,
+
-  SHOW_TYPE_GRAPH: 12,
+  CREATE_OPERATION: 8,
-  CHANGE_INPUT_SCHEMA: 13,
+  EDIT_OPERATION: 9,
-  CHANGE_LOCATION: 14,
+  DELETE_OPERATION: 10,
-  CLONE_LIBRARY_ITEM: 15,
+  CHANGE_INPUT_SCHEMA: 11,
-  CREATE_VERSION: 16,
+  RELOCATE_CONSTITUENTS: 12,
-  DELETE_OPERATION: 17,
+
-  GRAPH_PARAMETERS: 18,
+  CLONE_LIBRARY_ITEM: 13,
-  RELOCATE_CONSTITUENTS: 19,
+  UPLOAD_RSFORM: 14,
-  RENAME_CONSTITUENTA: 20,
+  EDIT_EDITORS: 15,
+  EDIT_VERSIONS: 16,
+  CHANGE_LOCATION: 17,
+
+  EDIT_REFERENCE: 18,
+  EDIT_WORD_FORMS: 19,
+  INLINE_SYNTHESIS: 20,
+
   SHOW_QR_CODE: 21,
-  SUBSTITUTE_CONSTITUENTS: 22,
+  SHOW_AST: 22,
-  UPLOAD_RSFORM: 23
+  SHOW_TYPE_GRAPH: 23,
+  GRAPH_PARAMETERS: 24
 } as const;
 export type DialogType = (typeof DialogType)[keyof typeof DialogType];
 
@@ -62,6 +71,7 @@ interface DialogsStore {
 
   showCstTemplate: (props: DlgCstTemplateProps) => void;
   showCreateCst: (props: DlgCreateCstProps) => void;
+  showCreateBlock: (props: DlgCreateBlockProps) => void;
   showCreateOperation: (props: DlgCreateOperationProps) => void;
   showDeleteCst: (props: DlgDeleteCstProps) => void;
   showEditEditors: (props: DlgEditEditorsProps) => void;
@@ -98,6 +108,7 @@ export const useDialogsStore = create<DialogsStore>()(set => ({
   showCstTemplate: props => set({ active: DialogType.CONSTITUENTA_TEMPLATE, props: props }),
   showCreateCst: props => set({ active: DialogType.CREATE_CONSTITUENTA, props: props }),
   showCreateOperation: props => set({ active: DialogType.CREATE_OPERATION, props: props }),
+  showCreateBlock: props => set({ active: DialogType.CREATE_BLOCK, props: props }),
   showDeleteCst: props => set({ active: DialogType.DELETE_CONSTITUENTA, props: props }),
   showEditEditors: props => set({ active: DialogType.EDIT_EDITORS, props: props }),
   showEditOperation: props => set({ active: DialogType.EDIT_OPERATION, props: props }),