{"version":3,"file":"dd-base-impl.js","sourceRoot":"","sources":["../src/dd-base-impl.ts"],"names":[],"mappings":"AAAA;;;GAGG;AAQH;;;;GAIG;AACH,MAAM,OAAgB,eAAe;IAArC;QASE,gBAAgB;QACN,mBAAc,GAEpB,EAAE,CAAC;IAwDT,CAAC;IAnEC;;;OAGG;IACH,IAAW,QAAQ,KAAgB,OAAO,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC;IAS3D;;;;;OAKG;IACI,EAAE,CAAC,KAAa,EAAE,QAAuB;QAC9C,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,GAAG,QAAQ,CAAC;IACxC,CAAC;IAED;;;;OAIG;IACI,GAAG,CAAC,KAAa;QACtB,OAAO,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,CAAC;IACpC,CAAC;IAED;;;OAGG;IACI,MAAM;QACX,IAAI,CAAC,SAAS,GAAG,KAAK,CAAC;IACzB,CAAC;IAED;;;OAGG;IACI,OAAO;QACZ,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC;IACxB,CAAC;IAED;;;OAGG;IACI,OAAO;QACZ,OAAO,IAAI,CAAC,cAAc,CAAC;IAC7B,CAAC;IAED;;;;;;OAMG;IACI,YAAY,CAAC,SAAiB,EAAE,KAAY;QACjD,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,IAAI,CAAC,cAAc,IAAI,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC;YACzE,OAAO,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC,CAAC,KAAK,CAAC,CAAC;IACjD,CAAC;CACF","sourcesContent":["/**\n * dd-base-impl.ts 12.6.0\n * Copyright (c) 2021-2025  Alain Dumesny - see GridStack root license\n */\n\n/**\n * Type for event callback functions used in drag & drop operations.\n * Can return boolean to indicate if the event should continue propagation.\n */\nexport type EventCallback = (event: Event) => boolean|void;\n\n/**\n * Abstract base class for all drag & drop implementations.\n * Provides common functionality for event handling, enable/disable state,\n * and lifecycle management used by draggable, droppable, and resizable implementations.\n */\nexport abstract class DDBaseImplement {\n  /**\n   * Returns the current disabled state.\n   * Note: Use enable()/disable() methods to change state as other operations need to happen.\n   */\n  public get disabled(): boolean   { return this._disabled; }\n\n  /** @internal */\n  protected _disabled: boolean; // initial state to differentiate from false\n  /** @internal */\n  protected _eventRegister: {\n    [eventName: string]: EventCallback;\n  } = {};\n\n  /**\n   * Register an event callback for the specified event.\n   *\n   * @param event - Event name to listen for\n   * @param callback - Function to call when event occurs\n   */\n  public on(event: string, callback: EventCallback): void {\n    this._eventRegister[event] = callback;\n  }\n\n  /**\n   * Unregister an event callback for the specified event.\n   *\n   * @param event - Event name to stop listening for\n   */\n  public off(event: string): void {\n    delete this._eventRegister[event];\n  }\n\n  /**\n   * Enable this drag & drop implementation.\n   * Subclasses should override to perform additional setup.\n   */\n  public enable(): void {\n    this._disabled = false;\n  }\n\n  /**\n   * Disable this drag & drop implementation.\n   * Subclasses should override to perform additional cleanup.\n   */\n  public disable(): void {\n    this._disabled = true;\n  }\n\n  /**\n   * Destroy this drag & drop implementation and clean up resources.\n   * Removes all event handlers and clears internal state.\n   */\n  public destroy(): void {\n    delete this._eventRegister;\n  }\n\n  /**\n   * Trigger a registered event callback if one exists and the implementation is enabled.\n   *\n   * @param eventName - Name of the event to trigger\n   * @param event - DOM event object to pass to the callback\n   * @returns Result from the callback function, if any\n   */\n  public triggerEvent(eventName: string, event: Event): boolean|void {\n    if (!this.disabled && this._eventRegister && this._eventRegister[eventName])\n      return this._eventRegister[eventName](event);\n  }\n}\n\n/**\n * Interface for HTML elements extended with drag & drop options.\n * Used to associate DD configuration with DOM elements.\n */\nexport interface HTMLElementExtendOpt<T> {\n  /** The HTML element being extended */\n  el: HTMLElement;\n  /** The drag & drop options/configuration */\n  option: T;\n  /** Method to update the options and return the DD implementation */\n  updateOption(T): DDBaseImplement;\n}\n"]}