all files / core/elements/ text-element.js

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/* istanbul ignore next */ 
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
define(["require", "exports", "../../primitives/size", "./drawing-element", "./../../utility/dom-util"], function (require, exports, size_1, drawing_element_1, dom_util_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * TextElement is used to display text/annotations
     */
    var TextElement = /** @class */ (function (_super) {
        __extends(TextElement, _super);
        /**
         * set the id for each element
         */
        function TextElement() {
            var _this = _super.call(this) || this;
            /**
             * sets or gets the image source
             */
            _this.textContent = '';
            /** @private */
            _this.canMeasure = true;
            /** @private */
            _this.canConsiderBounds = true;
            /** @private */
            _this.doWrap = true;
            _this.textNodes = [];
            /**
             * Defines the appearance of the text element
             */
            _this.style = {
                color: 'black', fill: 'transparent', strokeColor: 'black',
                strokeWidth: 1, fontFamily: 'Arial', fontSize: 12, whiteSpace: 'CollapseSpace',
                textWrapping: 'WrapWithOverflow', textAlign: 'Center', italic: false, bold: false,
                textDecoration: 'None', strokeDashArray: '', opacity: 1,
                textOverflow: 'Wrap'
            };
            _this.style.fill = 'transparent';
            _this.style.strokeColor = 'transparent';
            return _this;
        }
        Object.defineProperty(TextElement.prototype, "content", {
            /**
             * gets the content for the text element
             */
            get: function () {
                return this.textContent;
            },
            /**
             * sets the content for the text element
             */
            set: function (value) {
                Eif (this.textContent !== value) {
                    this.textContent = value;
                    this.isDirt = true;
                    this.doWrap = true;
                }
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(TextElement.prototype, "childNodes", {
            /**
             * sets the content for the text element
             */
            get: function () {
                return this.textNodes;
            },
            /**
             * gets the content for the text element
             */
            set: function (value) {
                this.textNodes = value;
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(TextElement.prototype, "wrapBounds", {
            /**
             * gets the wrapBounds for the text
             */
            get: function () {
                return this.textWrapBounds;
            },
            /**
             * sets the wrapBounds for the text
             */
            set: function (value) {
                this.textWrapBounds = value;
            },
            enumerable: true,
            configurable: true
        });
        /** @private */
        TextElement.prototype.refreshTextElement = function () {
            this.isDirt = true;
        };
        /**
         * Measures the minimum size that is required for the text element
         * @param availableSize
         */
        TextElement.prototype.measure = function (availableSize) {
            var size;
            Eif (this.isDirt && this.canMeasure) {
                size = dom_util_1.measureText(this, this.style, this.content, this.width || availableSize.width);
            }
            else {
                size = this.desiredSize;
            }
            if (this.width === undefined || this.height === undefined) {
                this.desiredSize = new size_1.Size(size.width, size.height);
            }
            else {
                this.desiredSize = new size_1.Size(this.width, this.height);
            }
            this.desiredSize = this.validateDesiredSize(this.desiredSize, availableSize);
            return this.desiredSize;
        };
        /**
         * Arranges the text element
         * @param desiredSize
         */
        TextElement.prototype.arrange = function (desiredSize) {
            Eif (desiredSize.width !== this.actualSize.width || desiredSize.height !== this.actualSize.height || this.isDirt) {
                this.doWrap = true;
            }
            this.actualSize = desiredSize;
            this.updateBounds();
            this.isDirt = false;
            return this.actualSize;
        };
        return TextElement;
    }(drawing_element_1.DrawingElement));
    exports.TextElement = TextElement;
});