pxt-ev3/sim/visuals/pincontrol.ts

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TypeScript
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2017-07-11 10:15:17 +02:00
namespace pxsim.visuals {
export class AnalogPinControl {
private outerElement: SVGElement;
private innerCircle: SVGCircleElement;
private gradient: SVGLinearGradientElement;
private currentValue: number;
private pin: Pin;
constructor(private parent: EV3BoardSvg, private defs: SVGDefsElement, private id: CPlayPinName, name: string) {
this.pin = board().edgeConnectorState.getPin(this.id);
// Init the button events
this.outerElement = parent.element.getElementById(name) as SVGElement;
svg.addClass(this.outerElement, "sim-pin-touch");
this.addButtonEvents();
// Init the gradient controls
// const gid = `gradient-${CPlayPinName[id]}-level`;
// this.innerCircle = parent.element.getElementById("PIN_CONNECTOR_" + CPlayPinName[id]) as SVGCircleElement;
// this.gradient = svg.linearGradient(this.defs, gid);
// this.innerCircle.setAttribute("fill", `url(#${gid})`);
// this.innerCircle.setAttribute("class", "sim-light-level-button")
// this.addLevelControlEvents()
this.updateTheme();
}
public updateTheme() {
const theme = this.parent.props.theme;
svg.setGradientColors(this.gradient, theme.lightLevelOff, 'darkorange');
}
public updateValue() {
const value = this.pin.value;
if (value === this.currentValue) {
return;
}
this.currentValue = value;
// svg.setGradientValue(this.gradient, 100 - Math.min(100, Math.max(0, Math.floor(value * 100 / 1023))) + '%')
// if (this.innerCircle.childNodes.length) {
// this.innerCircle.removeChild(this.innerCircle.childNodes[0])
// }
svg.title(this.outerElement, value.toString());
}
private addButtonEvents() {
this.outerElement.addEventListener(pointerEvents.down, ev => {
this.pin.touched = true;
svg.addClass(this.outerElement, "touched");
(pxtcore.getTouchButton(this.id - 1) as CommonButton).setPressed(true);
})
this.outerElement.addEventListener(pointerEvents.leave, ev => {
this.pin.touched = false;
svg.removeClass(this.outerElement, "touched");
(pxtcore.getTouchButton(this.id - 1) as CommonButton).setPressed(false);
})
this.outerElement.addEventListener(pointerEvents.up, ev => {
this.pin.touched = false;
svg.removeClass(this.outerElement, "touched");
(pxtcore.getTouchButton(this.id - 1) as CommonButton).setPressed(false);
})
}
private addLevelControlEvents() {
const cy = parseFloat(this.innerCircle.getAttribute("cy"));
const r = parseFloat(this.innerCircle.getAttribute("r"));
const pt = this.parent.element.createSVGPoint();
svg.buttonEvents(this.innerCircle,
(ev) => {
const pos = svg.cursorPoint(pt, this.parent.element, ev);
const rs = r / 2;
const level = Math.max(0, Math.min(1023, Math.floor((1 - (pos.y - (cy - rs)) / (2 * rs)) * 1023)));
if (level != this.pin.value) {
this.pin.value = level;
this.updateValue();
}
}, ev => { },
ev => { });
}
}
}