97 lines
3.9 KiB
TypeScript
97 lines
3.9 KiB
TypeScript
/// <reference path="../node_modules/pxt-core/localtypings/blockly.d.ts"/>
|
|
/// <reference path="../node_modules/pxt-core/built/pxtsim.d.ts"/>
|
|
|
|
export interface FieldSpeedOptions extends Blockly.FieldCustomOptions {
|
|
min?: string;
|
|
max?: string;
|
|
label?: string;
|
|
}
|
|
|
|
export class FieldSpeed extends Blockly.FieldSlider implements Blockly.FieldCustom {
|
|
public isFieldCustom_ = true;
|
|
|
|
private params: any;
|
|
|
|
private speedSVG: SVGElement;
|
|
private circleBar: SVGCircleElement;
|
|
private reporter: SVGTextElement;
|
|
|
|
/**
|
|
* Class for a color wheel field.
|
|
* @param {number|string} value The initial content of the field.
|
|
* @param {Function=} opt_validator An optional function that is called
|
|
* to validate any constraints on what the user entered. Takes the new
|
|
* text as an argument and returns either the accepted text, a replacement
|
|
* text, or null to abort the change.
|
|
* @extends {Blockly.FieldNumber}
|
|
* @constructor
|
|
*/
|
|
constructor(value_: any, params: FieldSpeedOptions, opt_validator?: Function) {
|
|
super(String(value_), '-100', '100', null, '10', 'Speed', opt_validator);
|
|
this.params = params;
|
|
if (this.params['min']) this.min_ = parseFloat(this.params.min);
|
|
if (this.params['max']) this.max_ = parseFloat(this.params.max);
|
|
if (this.params['label']) this.labelText_ = this.params.label;
|
|
|
|
(this as any).sliderColor_ = '#a8aaa8';
|
|
}
|
|
|
|
createLabelDom_(labelText: string) {
|
|
var labelContainer = document.createElement('div');
|
|
this.speedSVG = document.createElementNS("http://www.w3.org/2000/svg", "svg") as SVGGElement;
|
|
pxsim.svg.hydrate(this.speedSVG, {
|
|
viewBox: "0 0 200 100",
|
|
width: "170"
|
|
});
|
|
|
|
labelContainer.appendChild(this.speedSVG);
|
|
|
|
const outerCircle = pxsim.svg.child(this.speedSVG, "circle", {
|
|
'stroke-dasharray': '565.48', 'stroke-dashoffset': '0',
|
|
'cx': 100, 'cy': 100, 'r': '90', 'style': `fill:transparent; transition: stroke-dashoffset 0.1s linear;`,
|
|
'stroke': '#a8aaa8', 'stroke-width': '1rem'
|
|
}) as SVGCircleElement;
|
|
this.circleBar = pxsim.svg.child(this.speedSVG, "circle", {
|
|
'stroke-dasharray': '565.48', 'stroke-dashoffset': '0',
|
|
'cx': 100, 'cy': 100, 'r': '90', 'style': `fill:transparent; transition: stroke-dashoffset 0.1s linear;`,
|
|
'stroke': '#f12a21', 'stroke-width': '1rem'
|
|
}) as SVGCircleElement;
|
|
|
|
this.reporter = pxsim.svg.child(this.speedSVG, "text", {
|
|
'x': 100, 'y': 80,
|
|
'text-anchor': 'middle', 'dominant-baseline': 'middle',
|
|
'style': 'font-size: 50px',
|
|
'class': 'sim-text inverted number'
|
|
}) as SVGTextElement;
|
|
|
|
// labelContainer.setAttribute('class', 'blocklyFieldSliderLabel');
|
|
var readout = document.createElement('span');
|
|
readout.setAttribute('class', 'blocklyFieldSliderReadout');
|
|
// var label = document.createElement('span');
|
|
// label.setAttribute('class', 'blocklyFieldSliderLabelText');
|
|
// label.innerHTML = labelText;
|
|
// labelContainer.appendChild(label);
|
|
// labelContainer.appendChild(readout);
|
|
return [labelContainer, readout];
|
|
};
|
|
|
|
setReadout_(readout: Element, value: string) {
|
|
this.updateSpeed(parseFloat(value));
|
|
// Update reporter
|
|
this.reporter.textContent = `${value}%`;
|
|
}
|
|
|
|
private updateSpeed(speed: number) {
|
|
let sign = this.sign(speed);
|
|
speed = (Math.abs(speed) / 100 * 50) + 50;
|
|
if (sign == -1) speed = 50 - speed;
|
|
let c = Math.PI * (90 * 2);
|
|
let pct = ((100 - speed) / 100) * c;
|
|
this.circleBar.setAttribute('stroke-dashoffset', `${pct}`);
|
|
}
|
|
|
|
// A re-implementation of Math.sign (since IE11 doesn't support it)
|
|
private sign(num: number) {
|
|
return num ? num < 0 ? -1 : 1 : 0;
|
|
}
|
|
} |