plot-plan-designer/lib/esm/components/canvas/handlers/ContextmenuHandler.js

Design Editor Tools with React.js + ant.design + fabric.js

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import ReactDOM from 'react-dom';
import debounce from 'lodash/debounce';
class ContextmenuHandler {
    constructor(handler) {
        /**
         * Show context menu
         *
         */
        this.show = debounce((e, target) => __awaiter(this, void 0, void 0, function* () {
            const { onContext } = this.handler;
            while (this.contextmenuEl.hasChildNodes()) {
                this.contextmenuEl.removeChild(this.contextmenuEl.firstChild);
            }
            const contextmenu = document.createElement('div');
            contextmenu.className = 'rde-contextmenu-right';
            const element = yield onContext(this.contextmenuEl, e, target);
            if (!element) {
                return;
            }
            contextmenu.innerHTML = element;
            this.contextmenuEl.appendChild(contextmenu);
            ReactDOM.render(element, contextmenu);
            this.contextmenuEl.classList.remove('contextmenu-hidden');
            const { clientX: left, clientY: top } = e;
            this.contextmenuEl.style.left = `${left}px`;
            this.contextmenuEl.style.top = `${top}px`;
        }), 100);
        /**
         * Hide context menu
         *
         */
        this.hide = debounce(() => {
            if (this.contextmenuEl) {
                this.contextmenuEl.classList.add('contextmenu-hidden');
            }
        }, 100);
        this.handler = handler;
        this.initialize();
    }
    /**
     * Initialize contextmenu
     *
     */
    initialize() {
        this.contextmenuEl = document.createElement('div');
        this.contextmenuEl.id = `${this.handler.id}_contextmenu`;
        this.contextmenuEl.className = 'rde-contextmenu contextmenu-hidden';
        document.body.appendChild(this.contextmenuEl);
    }
    /**
     * Destroy contextmenu
     *
     */
    destory() {
        if (this.contextmenuEl) {
            document.body.removeChild(this.contextmenuEl);
        }
    }
}
export default ContextmenuHandler;