feat(dom-adapters): basic inline tool adapter implementation

packages/core/package.json

@@ -18,8 +18,10 @@
     "typescript": "^5.5.4"
   },
   "dependencies": {
+    "@editorjs/dom": "^1.0.0",
     "@editorjs/dom-adapters": "workspace:^",
     "@editorjs/editorjs": "^2.30.5",
-    "@editorjs/model": "workspace:^"
+    "@editorjs/model": "workspace:^",
+    "@editorjs/sdk": "workspace:^"
   }
 }

packages/core/src/entities/index.ts

@@ -0,0 +1,2 @@
+export * from './BlockTool.js';
+export * from './Config.js';

packages/core/src/index.ts

@@ -3,9 +3,10 @@ import { BlockAddedEvent, EditorJSModel, EventType } from '@editorjs/model';
 import type { CoreConfig, CoreConfigValidated } from './entities/Config.js';
 import { composeDataFromVersion2 } from './utils/composeDataFromVersion2.js';
 import ToolsManager from './tools/ToolsManager.js';
-import { BlockToolAdapter, CaretAdapter } from '@editorjs/dom-adapters';
+import { BlockToolAdapter, CaretAdapter, InlineToolsAdapter } from '@editorjs/dom-adapters';
 import type { BlockAPI, BlockToolData, API as EditorjsApi, ToolConfig } from '@editorjs/editorjs';
 import type { BlockTool } from './entities/BlockTool.js';
+import { InlineToolbar } from './ui/InlineToolbar/index.js';
 
 /**
  * If no holder is provided via config, the editor will be appended to the element with this id
@@ -41,6 +42,21 @@ export default class Core {
    */
   #caretAdapter: CaretAdapter;
 
+  /**
+   * Inline tool adapter is responsible for handling model formatting updates
+   * Applies format, got from inline toolbar to the model
+   * When model changed with formatting event, it renders related fragment
+   */
+  #inlineToolsAdapter: InlineToolsAdapter;
+
+  /**
+   * @todo inline toolbar should subscripe on selection change event called by EventBus
+   * Inline toolbar is responsible for handling selection changes
+   * When model selection changes, it determines, whenever to show toolbar element,
+   * Which calls apply format method of the adapter
+   */
+  #inlineToolbar: InlineToolbar;
+
   /**
    * @param config - Editor configuration
    */
@@ -55,6 +71,9 @@ export default class Core {
 
     this.#toolsManager = new ToolsManager(this.#config.tools);
     this.#caretAdapter = new CaretAdapter(this.#config.holder, this.#model);
+    this.#inlineToolsAdapter = new InlineToolsAdapter(this.#model, this.#caretAdapter);
+
+    this.#inlineToolbar = new InlineToolbar(this.#model, this.#inlineToolsAdapter, this.#toolsManager.getInlineTools(), config.holder!);
 
     this.#model.initializeDocument({ blocks });
   }
@@ -156,3 +175,5 @@ export default class Core {
     return block;
   }
 }
+
+export * from './entities/index.js';

packages/core/src/tools/ToolsManager.ts

@@ -1,15 +1,21 @@
+import type { InlineToolsConfig } from '@editorjs/sdk';
 import type { BlockToolConstructor } from '../entities/BlockTool.js';
-import { Paragraph } from './internal/paragraph/index.js';
+import { Paragraph } from './internal/block-tools/paragraph/index.js';
 import type { EditorConfig } from '@editorjs/editorjs';
+import BoldInlineTool from './internal/inline-tools/bold/index.js';
+import ItalicInlineTool from './internal/inline-tools/italic/index.js';
 
 /**
  * Works with tools
  */
 export default class ToolsManager {
+  #tools: EditorConfig['tools'];
+
   /**
    * @param tools - Tools configuration passed by user
    */
-  constructor(private tools: EditorConfig['tools']) {
+  constructor(tools: EditorConfig['tools']) {
+    this.#tools = tools;
   }
 
   /**
@@ -24,4 +30,14 @@ export default class ToolsManager {
         throw new Error(`Unknown tool: ${toolName}`);
     }
   }
+
+  /**
+   * Returns inline tools got from the EditorConfig tools
+   */
+  public getInlineTools(): InlineToolsConfig {
+    return {
+      bold: BoldInlineTool,
+      italic: ItalicInlineTool,
+    };
+  };
 }

packages/core/src/tools/internal/paragraph/index.ts → packages/core/src/tools/internal/block-tools/paragraph/index.ts

@@ -1,5 +1,5 @@
 import type { BlockToolAdapter } from '@editorjs/dom-adapters';
-import type { BlockTool, BlockToolConstructorOptions } from '../../../entities/BlockTool.js';
+import type { BlockTool, BlockToolConstructorOptions } from '../../../../entities/BlockTool.js';
 
 /**
  * Base text block tool

packages/core/src/tools/internal/inline-tools/bold/index.ts

@@ -0,0 +1,72 @@
+import type { FormattingActionWithRange, InlineTool } from '@editorjs/sdk';
+import type { InlineFragment, TextRange } from '@editorjs/model';
+import { FormattingAction } from '@editorjs/model';
+import { IntersectType } from '@editorjs/model';
+import { make } from '@editorjs/dom';
+
+/**
+ * Bold Tool
+ *
+ * Inline Toolbar Tool
+ *
+ * Makes selected text bolder
+ */
+export default class BoldInlineTool implements InlineTool {
+  /**
+   * Specifies Tool as Inline Toolbar Tool
+   * @returns {boolean}
+   */
+  public static isInline = true;
+
+  /**
+   * Type of behaviour of the tool if new selection range intersect with existing fragment
+   * If two fragment intersect, they should be merged
+   */
+  public intersectType: IntersectType = IntersectType.Extend;
+
+  /**
+   * Renders wrapper for tool without actual content
+   * @returns Created html element
+   */
+  public createWrapper(): HTMLElement {
+    return make('b');
+  }
+
+  /**
+   * Returns formatting action and range for it to be applied
+   * @param index - index of current text selection
+   * @param fragments - all fragments of the bold inline tool inside of the current input
+   */
+  public getAction(index: TextRange, fragments: InlineFragment[]): FormattingActionWithRange {
+    return {
+      action: this.isActive(index, fragments) ? FormattingAction.Unformat : FormattingAction.Format,
+      range: index,
+    };
+  };
+
+  /**
+   * Returns state of the bold inline tool
+   * @param index - index of current selection
+   * @param fragments - all fragments of the bold inline tool inside of the current input
+   * @returns true if tool is active, false otherwise
+   */
+  public isActive(index: TextRange, fragments: InlineFragment[]): boolean {
+    let isActive = false;
+
+    fragments.forEach((fragment) => {
+      /**
+       * Check if current index is inside of model fragment
+       */
+      if (index[0] >= fragment.range[0] && index[1] <= fragment.range[1]) {
+        isActive = true;
+
+        /**
+         * No need to check other fragments if state already chaned
+         */
+        return;
+      }
+    });
+
+    return isActive;
+  }
+}

packages/core/src/tools/internal/inline-tools/italic/index.ts

@@ -0,0 +1,72 @@
+import type { FormattingActionWithRange, InlineTool } from '@editorjs/sdk';
+import type { InlineFragment, TextRange } from '@editorjs/model';
+import { FormattingAction } from '@editorjs/model';
+import { IntersectType } from '@editorjs/model';
+import { make } from '@editorjs/dom';
+
+/**
+ * Italic Tool
+ *
+ * Inline Toolbar Tool
+ *
+ * Makes selected text italic
+ */
+export default class ItalicInlineTool implements InlineTool {
+  /**
+   * Specifies Tool as Inline Toolbar Tool
+   * @returns {boolean}
+   */
+  public static isInline = true;
+
+  /**
+   * Type of behaviour of the tool if new selection range intersect with existing fragment
+   * If two fragment intersect, they should be merged
+   */
+  public intersectType: IntersectType = IntersectType.Extend;
+
+  /**
+   * Renders wrapper for tool without actual content
+   * @returns Created html element
+   */
+  public createWrapper(): HTMLElement {
+    return make('i');
+  }
+
+  /**
+   * Returns formatting action and range for it to be applied
+   * @param index - index of current text selection
+   * @param fragments - all fragments of the bold inline tool inside of the current input
+   */
+  public getAction(index: TextRange, fragments: InlineFragment[]): FormattingActionWithRange {
+    return {
+      action: this.isActive(index, fragments) ? FormattingAction.Unformat : FormattingAction.Format,
+      range: index,
+    };
+  };
+
+  /**
+   * Returns state of the bold inline tool
+   * @param index - index of current selection
+   * @param fragments - all fragments of the bold inline tool inside of the current input
+   * @returns true if tool is active, false otherwise
+   */
+  public isActive(index: TextRange, fragments: InlineFragment[]): boolean {
+    let isActive = false;
+
+    fragments.forEach((fragment) => {
+      /**
+       * Check if current index is inside of model fragment
+       */
+      if (index[0] >= fragment.range[0] && index[1] <= fragment.range[1]) {
+        isActive = true;
+
+        /**
+         * Don't need to check other fragments if state already chaned
+         */
+        return;
+      }
+    });
+
+    return isActive;
+  }
+}