import { TClassProperties } from '../typedefs';
import { IText } from './IText/IText';
export declare const textboxDefaultValues: Partial<TClassProperties<Textbox>>;
/**
 * Textbox class, based on IText, allows the user to resize the text rectangle
 * and wraps lines automatically. Textboxes have their Y scaling locked, the
 * user can only change width. Height is adjusted automatically based on the
 * wrapping of lines.
 */
export declare class Textbox extends IText {
    /**
     * Minimum width of textbox, in pixels.
     * @type Number
     * @default
     */
    minWidth: number;
    obj_type: string;
    hasNoText: boolean;
    /**
     * Minimum calculated width of a textbox, in pixels.
     * fixed to 2 so that an empty textbox cannot go to 0
     * and is still selectable without text.
     * @type Number
     * @default
     */
    dynamicMinWidth: number;
    oneLine: boolean;
    fromCopy: boolean;
    /**
     * Use this boolean property in order to split strings that have no white space concept.
     * this is a cheap way to help with chinese/japanese
     * @type Boolean
     * @since 2.6.0
     */
    splitByGrapheme: boolean;
    static textLayoutProperties: string[];
    static ownDefaults: Record<string, any>;
    static getDefaults(): {
        [x: string]: any;
    };
    constructor(text: string, options: any);
    _getTotalLineHeights(): number;
    /**
     * Unlike superclass's version of this function, Textbox does not update
     * its width.
     * @private
     * @override
     */
    initDimensions(): void;
    /**
     * Generate an object that translates the style object so that it is
     * broken up by visual lines (new lines and automatic wrapping).
     * The original text styles object is broken up by actual lines (new lines only),
     * which is only sufficient for Text / IText
     * @private
     */
    _generateStyleMap(textInfo: any): {};
    /**
     * Returns true if object has a style property or has it on a specified line
     * @param {Number} lineIndex
     * @return {Boolean}
     */
    styleHas(property: any, lineIndex: number): boolean;
    /**
     * Returns true if object has no styling or no styling in a line
     * @param {Number} lineIndex , lineIndex is on wrapped lines.
     * @return {Boolean}
     */
    isEmptyStyles(lineIndex: number): boolean;
    /**
     * @param {Number} lineIndex
     * @param {Number} charIndex
     * @private
     */
    _getStyleDeclaration(lineIndex: number, charIndex: number): Partial<import("./Text/StyledText").CompleteTextStyleDeclaration> | null;
    /**
     * @param {Number} lineIndex
     * @param {Number} charIndex
     * @param {Object} style
     * @private
     */
    _setStyleDeclaration(lineIndex: number, charIndex: number, style: object): void;
    /**
     * @param {Number} lineIndex
     * @param {Number} charIndex
     * @private
     */
    _deleteStyleDeclaration(lineIndex: number, charIndex: number): void;
    /**
     * probably broken need a fix
     * Returns the real style line that correspond to the wrapped lineIndex line
     * Used just to verify if the line does exist or not.
     * @param {Number} lineIndex
     * @returns {Boolean} if the line exists or not
     * @private
     */
    _getLineStyle(lineIndex: number): boolean;
    /**
     * Set the line style to an empty object so that is initialized
     * @param {Number} lineIndex
     * @param {Object} style
     * @private
     */
    _setLineStyle(lineIndex: number): void;
    /**
     * Wraps text using the 'width' property of Textbox. First this function
     * splits text on newlines, so we preserve newlines entered by the user.
     * Then it wraps each line using the width of the Textbox by calling
     * _wrapLine().
     * @param {Array} lines The string array of text that is split into lines
     * @param {Number} desiredWidth width you want to wrap to
     * @returns {Array} Array of lines
     */
    _wrapText(lines: Array<any>, desiredWidth: number): Array<any>;
    /**
     * Helper function to measure a string of text, given its lineIndex and charIndex offset
     * It gets called when charBounds are not available yet.
     * Override if necessary
     * Use with {@link Textbox#wordSplit}
     *
     * @param {CanvasRenderingContext2D} ctx
     * @param {String} text
     * @param {number} lineIndex
     * @param {number} charOffset
     * @returns {number}
     */
    _measureWord(word: any, lineIndex: number, charOffset?: number): number;
    /**
     * Override this method to customize word splitting
     * Use with {@link Textbox#_measureWord}
     * @param {string} value
     * @returns {string[]} array of words
     */
    wordSplit(value: string): string[];
    /**
     * Wraps a line of text using the width of the Textbox and a context.
     * @param {Array} line The grapheme array that represent the line
     * @param {Number} lineIndex
     * @param {Number} desiredWidth width you want to wrap the line to
     * @param {Number} reservedSpace space to remove from wrapping for custom functionalities
     * @returns {Array} Array of line(s) into which the given text is wrapped
     * to.
     */
    graphemeSplitForRectNotes(textstring: string): string[];
    _wrapLine(_line: any, lineIndex: number, desiredWidth: number, reservedSpace?: number): Array<any>;
    /**
     * Detect if the text line is ended with an hard break
     * text and itext do not have wrapping, return false
     * @param {Number} lineIndex text to split
     * @return {Boolean}
     */
    isEndOfWrapping(lineIndex: number): boolean;
    /**
     * Detect if a line has a linebreak and so we need to account for it when moving
     * and counting style.
     * @return Number
     */
    missingNewlineOffset(lineIndex: any): 1 | 0;
    /**
     * Gets lines of text to render in the Textbox. This function calculates
     * text wrapping on the fly every time it is called.
     * @param {String} text text to split
     * @returns {Array} Array of lines in the Textbox.
     * @override
     */
    _splitTextIntoLines(text: string): import("./Text/Text").TextLinesInfo;
    getMinWidth(): number;
    _removeExtraneousStyles(): void;
    addControls(): void;
    controlMousedownProcess(transformData: any, rx: any, ry: any): void;
    /**
     * Returns object representation of an instance
     * @method toObject
     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output
     * @return {Object} object representation of an instance
     */
    getObject(): {};
    toObject(propertiesToInclude: Array<any>): object;
    /**extend function for fronted */
    checkTextboxChange(): void;
    InitializeEvent(): void;
    changeWidth(eventData: any, transform: any, x: any, y: any): boolean;
    resetResizeControls(): void;
}
export declare enum EventName {
    MODIFIED = "modified",
    CHANGED = "changed",
    TRIPLECLICK = "tripleclick",
    DBLCLICK = "dblclick",
    MOUSEOUT = "mouseout",
    EDITINGENTERED = "editing:entered",
    MOUSEOVER = "mouseover",
    EDITINGEXITED = "editing:exited",
    INITIALIZE = "initialize",
    INSERTNEWSTYLEBLOCK = "insertNewStyleBlock",
    RENDER = "_render",
    SET = "set",
    OBJECTMOVING = "object:moving",
    OBJECTMOVED = "object:moved",
    SELECTIONCREATED = "selection:created",
    SELECTIONCLEARED = "selection:cleared",
    SELECTED = "selected",
    DESELECTED = "deselected",
    MOUSEDBLCLICK = "mousedblclick",
    MOUSEUP = "mouseup",
    MOUSE_UP = "mouse:up",
    TOUCHSTART = "touchstart",
    SETSRC = "setSrc",
    REMOVED = "removed",
    MOUSEDOWN = "mousedown",
    MOVING = "moving",
    SELECTABLE = "selectable",
    EVENTED = "evented",
    FILL = "fill",
    ROTATING = "rotating",
    SCALING = "scaling",
    ADDED = "added",
    OBJECTSCALING = "object:scaling",
    OBJECTSCALED = "object:scaled",
    OBJECTROTATING = "object:rotating",
    OBJECTROTATED = "object:rotated",
    SELECTIONUPDATED = "selection:updated",
    DRAGENTER = "dragenter",
    DRAGLEAVE = "dragleave",
    CANVAS_MOUSE_DOWN = "canvas:mousedown",
    CANVAS_MOUSE_DOWN_BEFORE = "canvas:mousedownbefore",
    CANVAS_MOUSE_MOVE = "canvas:mousemove",
    CANVAS_MOUSE_UP = "canvas:mouseup",
    CANVAS_MOUSE_OUT = "canvas:mouseout",
    CANVAS_SCROLL = "canvas:scroll",
    DOCUMENT_KEY_UP = "document:keyup",
    DOCUMENT_KEY_DOWN = "document:keydown",
    DOCUMENT_MOUSE_DOWN = "mousedown",
    DOCUMENT_MOUSE_UP = "mouseup",
    DOCUMENT_MOUSE_MOVE = "mousemove",
    DOCUMENT_MOUSE_WHEEL = "wheel",
    DOCUMENT_DRAG_OVER = "dragover",
    DOCUMENT_PAUSE = "pause",
    DOCUMENT_RESUME = "resume",
    DOCUMENT_VISIBILITY_CHANGE = "visibilitychange",
    DOCUMENT_PASTE = "paste",
    WINDOW_BEFORE_UNLOAD = "beforeunload",
    WINDOW_MOUSE_MOVE = "mousemove",
    WINDOW_GESTURE_START = "gesturestart",
    WINDOW_GESTURE_CHANGE = "gesturechange",
    A_CTRL_KEY_DOWN = "a_ctrl:keydown",
    B_CTRL_KEY_DOWN = "b_ctrl:keydown",
    D_CTRL_KEY_DOWN = "d_ctrl:keydown",
    G_CTRL_SHIFT_KEY_DOWN = "g_ctrl_shift:keydown",
    G_CTRL_KEY_DOWN = "g_ctrl:keydown",
    T_KEY_DOWN = "t:keydown",
    P_KEY_DOWN = "p:keydown",
    S_KEY_UP = "s:keyup",
    S_KEY_DOWN = "s:keydown",
    O_KEY_UP = "o:keyup",
    O_KEY_DOWN = "o:keydown",
    R_KEY_UP = "r:keyup",
    R_KEY_DOWN = "r:keydown",
    F_KEY_UP = "f:keyup",
    F_KEY_DOWN = "f:keydown",
    L_KEY_UP = "l:keyup",
    L_KEY_DOWN = "l:keydown",
    Z_CTRL_KEY_UP = "z_ctrl:keyup",
    Z_CTRL_KEY_DOWN = "z_ctrl:keydown",
    Z_CTRL_SHIFT_KEY_UP = "z_ctrl_shift:keyup",
    Z_CTRL_SHIFT_KEY_DOWN = "z_ctrl_shift:keydown",
    SPACE_KEY_UP = "space:keyup",
    SPACE_KEY_DOWN = "space:keydown",
    SHIFT_KEY_UP = "shift:keyup",
    SHIFT_KEY_DOWN = "shift:keydown",
    SLASH_SHIFT_KEY_DOWN = "slash_shift:keydown",
    ESC_KEY_DOWN = "esc:keydown",
    DELETE_KEY_DOWN = "delete:keydown",
    CTRL_SHIFT_FIVE_KEY_DOWN = "ctrl_shift_five:keydown",
    CTRL_PLUS_KEY_DOWN = "ctrl_plus:keydown",
    CTRL_MINUS_KEY_DOWN = "ctrl_minus:keydown",
    CTRL_ZERO_KEY_DOWN = "ctrl_zero:keydown",
    UP_DOWN_LEFT_RIGHT_KEY_DOWN = "up_down_left_right:keydown",
    CANVAS_BEFORE_SELECTION_CLEARED = "before:selection:cleared",
    CANVAS_SELECTION_UPDATED = "selection:updated",
    CANVAS_SELECTION_CREATED = "selection:created",
    SELECTION_CLEARED = "selection:cleared",
    TEXT_CHANGED = "text:changed",
    BEFORE_RENDER = "before:render",
    AFTER_RENDER = "after:render",
    MOUSE_DOWN_BEFORE = "mouse:down:before",
    MOUSE_DOWN = "mouse:down",
    TEXT_EDITING_EXISTED = "text:editing:exited",
    MOUSE_DBCLICK = "mouse:dblclick",
    HAMMER_TAP1 = "tap1",
    HAMMER_DOUBLE_TAP = "doubletap",
    HAMMER_PAN1_START = "pan1start",
    HAMMER_PAN1_MOVE = "pan1move",
    HAMMER_PAN1_END = "pan1end",
    HAMMER_PAN3 = "pan3",
    HAMMER_PINCH_START = "pinchstart",
    HAMMER_PINCH_MOVE = "pinchmove",
    RETURN_DEFAULT_ZOOMM = "returndefaultzoom",
    MOUSE_MOVE = "mouse:move",
    RESIZING = "resizing"
}
export declare enum TextAlign {
    LEFT = "left",
    CENTER = "center",
    RIGHT = "right",
    JUSTIFY = "justify",
    JUSTIFYLEFT = "justify-left",
    JUSTIFYCENTER = "justify-center",
    JUSTIFYRIGHT = "justify-right"
}
export declare enum WidgetType {
    WBActiveSelection = "activeSelection",
    WBArrow = "WBArrow",
    WBCircle = "WBCircle",
    WBCircleNotes = "WBCircleNotes",
    WBFile = "WBFile",
    WBGroup = "WBGroup",
    WBImage = "WBImage",
    WBIText = "WBIText",
    WBObject = "WBObject",
    WBPath = "WBPath",
    WBPolyline = "WBPolyline",
    WBLine = "WBLine",
    WBRdRectPanel = "WBRdRectPanel",
    WBRect = "WBRect",
    WBRectNotes = "WBRectNotes",
    WBRectPanel = "WBRectPanel",
    WBShape = "WBShape",
    WBShapeNotes = "WBShapeNotes",
    WBTriangle = "WBTriangle",
    WBUrlImage = "WBUrlImage",
    WBText = "WBText",
    WBTextbox = "WBTextbox",
    Common = "common"
}
export declare enum NoteType {
    RECT = "rect",
    SQUARE = "square",
    CIRCLE = "circle",
    TEXT = "text"
}
export declare enum Origin {
    Left = "left",
    Right = "right",
    Center = "center"
}
export declare enum ModifiedField {
    Width = "width",
    Height = "height",
    Left = "left",
    Top = "top",
    ShapeScalex = "shapeScaleX",
    ScaleX = "scaleX",
    ScaleY = "scaleY",
    FlipX = "flipX",
    FLipY = "flipY",
    MaxHeight = "maxHeight",
    FixedScaleChange = "fixedScaleChange",
    Lines = "lines",
    PanelObj = "panelObj",
    Relationship = "relationship",
    ZIndex = "zIndex",
    x1 = "x1",
    x2 = "x2",
    y1 = "y1",
    y2 = "y2",
    ConnectorStart = "connectorStart",
    ConnectorEnd = "connectorEnd",
    Fill = "fill",
    Text = "text"
}
export declare enum SaveAction {
    MOVED = "MOVED",
    SCALED = "SCALED",
    ADDED = "ADDED",
    PASTE = "PASTE",
    REMOVED = "REMOVED",
    MODIFIED = "MODIFIED",
    UNBIND = "UNBIND",
    BIND = "BIND",
    ROTATED = "ROTATED"
}
//# sourceMappingURL=BX_Textbox.d.ts.map