88 lines
2.3 KiB
JavaScript
88 lines
2.3 KiB
JavaScript
// Mode Switcher
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import { Tool } from '../tool.js';
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import {
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MODE_MASS_GENERATION,
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MODE_PAN_VIEW,
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MODE_OBJECT_SELECT,
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EVENT_MODE_LEAVE,
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EVENT_MODE_ENTER,
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} from '../config.js';
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export class ModeSwitch extends Tool {
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currentMode = undefined;
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modes = [
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[MODE_MASS_GENERATION, 'Generate Mass'],
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[MODE_PAN_VIEW, 'Pan View'],
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[MODE_OBJECT_SELECT, 'Select'],
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];
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buttons = [];
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constructor(toolbar) {
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super(toolbar);
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const modesDiv = document.createElement('div');
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this.div.appendChild(modesDiv);
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modesDiv.style.display = 'flex';
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modesDiv.style.flexDirection = 'column';
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for (let [modeID, modeTitle] of this.modes) {
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const button = document.createElement('button');
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this.buttons.push(button);
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button.modeID = modeID;
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modesDiv.appendChild(button);
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button.innerHTML = `<h3>${modeTitle}</h3>`;
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button.classList.add('wide');
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button.addEventListener('click', () => this.setCurrentMode(modeID));
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}
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// First listed mode is the default
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const [[currentModeID, ]] = this.modes;
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this.setCurrentMode(currentModeID);
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// Add global method to set/get current mode
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this.sim.setCurrentMode = (modeID) => this.setCurrentMode(modeID);
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this.sim.getCurrentMode = () => this.currentMode;
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this.sim.isCurrentMode = (modeID) => modeID === this.currentMode;
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this.sim.onModeLeave = (modeID, cb) => this.onModeLeave(modeID, cb);
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this.sim.onModeEnter = (modeID, cb) => this.onModeEnter(modeID, cb);
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}
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setModesOpacity() {
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for (let button of this.buttons) {
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button.style.opacity = button.modeID === this.currentMode ? '50%' : '100%';
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}
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}
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setCurrentMode(modeID) {
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if (modeID === this.currentMode) return;
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const leave = new CustomEvent(EVENT_MODE_LEAVE, {detail: {modeID: this.currentMode}});
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const enter = new CustomEvent(EVENT_MODE_LEAVE, {detail: {modeID}});
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this.currentMode = modeID;
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this.setModesOpacity();
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this.div.dispatchEvent(leave);
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this.div.dispatchEvent(enter);
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}
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// cb: () => {}
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onModeLeave(modeID, cb) {
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this.div.addEventListener(EVENT_MODE_LEAVE, (e) => {
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if (e.detail?.modeID === modeID) {
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cb();
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}
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});
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}
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// cb: () => {}
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onModeEnter(modeID, cb) {
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this.div.addEventListener(EVENT_MODE_ENTER, (e) => {
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if (e.detail?.modeID === modeID) {
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cb();
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}
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});
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}
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}
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