awv3/plugins/sketcher/handlers/index.js

⚡ AWV3 embedded CAD

import DragHandler from './drag';
import DrawHandler from './draw';
import AngleHandler from './angle';
import FilletHandler from './fillet';
import DuplicateHandler from './duplicate';
import TrimHandler from './trim';

function getHandlerClass(name) {
    switch (name) {
        case 'drag':
            return DragHandler;
        case 'point':
        case 'line':
        case 'arccenter':
        case 'arcmiddle':
        case 'arctangent':
        case 'circle':
            return DrawHandler;
        case 'angle':
            return AngleHandler;
        case 'fillet':
            return FilletHandler;
        case 'duplicate':
            return DuplicateHandler;
        case 'trim':
            return TrimHandler;
    }
}

// destroy oldHandler (if needed) and return the new handler
export default function Handler(sketcher, name, oldHandler) {
    const oldClass = getHandlerClass(oldHandler && oldHandler.name), newClass = getHandlerClass(name);
    let handler = oldHandler;
    if (oldClass !== newClass) {
        oldHandler && oldHandler.destroy();
        handler = new newClass(sketcher, name);
        handler.addInteractions();
    }
    if (newClass === DrawHandler) handler.switchMode(name);
    return handler;
}

// Support hot reloading
if (module.hot) module.hot.accept(['./drag', './draw', './angle', './fillet', './duplicate', './trim']);