151 lines
4.2 KiB
HTML
151 lines
4.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Event Propagator w/ tools</title>
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<style>
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html {
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height: 100%;
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}
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body {
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min-height: 100%;
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position: relative;
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margin: 0;
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}
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folk-shape {
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background-color: black;
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border-radius: 5px;
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color: white;
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padding: 0px 5px;
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z-index: 10;
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}
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button {
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font-size: 1.5rem;
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}
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</style>
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</head>
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<body>
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<button id="cut">✂️</button>
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<button id="mend">🪢</button>
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<folk-shape id="box1" x="100" y="100" width="30" height="30"></folk-shape>
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<folk-shape id="box2" x="200" y="350">Hello World</folk-shape>
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<folk-event-propagator
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source="#box1"
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target="#box2"
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trigger="click"
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expression="textContent: to.textContent + '!'"
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></folk-event-propagator>
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<folk-shape id="box3" x="350" y="200" width="30" height="30"></folk-shape>
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<folk-shape id="box4" x="500" y="250" width="30" height="30"></folk-shape>
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<folk-event-propagator
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source="#box3"
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target="#box4"
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trigger="transform"
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expression="y: from.x,
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rotation: from.x/10"
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></folk-event-propagator>
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<script type="module">
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import '../lib/standalone/folk-shape.ts';
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import { FolkEventPropagator } from '../lib/standalone/folk-event-propagator.ts';
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class CutTool {
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entry() {
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document.addEventListener('pointerdown', this, { capture: true });
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}
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exit() {
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document.removeEventListener('pointerdown', this, { capture: true });
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}
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handleEvent(event) {
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// Stop the default focus and pointer capture of geometry elements
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event.preventDefault();
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event.stopPropagation();
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switch (event.type) {
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case 'pointerdown': {
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document.addEventListener('pointermove', this);
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document.addEventListener('pointerup', this);
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return;
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}
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case 'pointermove': {
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if (event.target instanceof FolkEventPropagator) {
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const percent = event.target.getPercentageFromPoint({ x: event.clientX, y: event.clientY });
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event.target.cut(percent);
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}
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return;
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}
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case 'pointerup': {
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document.removeEventListener('pointermove', this);
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document.removeEventListener('pointerup', this);
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return;
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}
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}
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}
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}
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class MendTool {
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entry() {
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document.addEventListener('pointerdown', this, { capture: true });
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}
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exit() {
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document.removeEventListener('pointerdown', this, { capture: true });
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}
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handleEvent(event) {
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// Stop the default focus and pointer capture of geometry elements
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event.preventDefault();
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event.stopPropagation();
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switch (event.type) {
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case 'pointerdown': {
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document.addEventListener('pointermove', this, { capture: true });
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document.addEventListener('pointerup', this, { capture: true });
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return;
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}
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case 'pointermove': {
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if (event.target instanceof FolkEventPropagator) {
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event.target.mend();
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}
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return;
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}
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case 'pointerup': {
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document.removeEventListener('pointermove', this, { capture: true });
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document.removeEventListener('pointerup', this, { capture: true });
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return;
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}
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}
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}
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}
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const tools = new Map();
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tools.set(window.cut, new CutTool());
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tools.set(window.mend, new MendTool());
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let activeTool = null;
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document.addEventListener('click', (e) => {
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const tool = tools.get(event.target);
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if (tool === undefined) return;
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activeTool?.exit();
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if (tool === activeTool) {
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activeTool === null;
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} else {
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activeTool = tool;
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activeTool.entry();
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}
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});
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</script>
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</body>
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</html>
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