133 lines
2.4 KiB
JavaScript
133 lines
2.4 KiB
JavaScript
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function split_value(x) {
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if (x === undefined || x === null) return ["", 0];
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if (typeof(x) == "number") return [x, 0];
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var xx = x.split(':');
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if (xx.length == 2) return xx;
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if (xx.length == 1) return [x, 0];
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return [ "", 0];
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}
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export function DurationToUnits(x) {
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let [ time, unit ] = split_value(x);
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switch (+unit) {
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case 0: "seconds"; // seconds;
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case 1: "milliseconds" ; // milliseconds;
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case 2: "ticks"; // ticks
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default: return "";
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}
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}
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export function DurationToSeconds(x) {
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let [ time, unit ] = split_value(x);
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switch (+unit) {
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case 0: return +time; // seconds;
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case 1: return +time / 1000 ; // milliseconds;
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case 2: return +time / 60; // ticks
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default: return 0;
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}
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}
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export function DurationSplit(x) {
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let [ time, unit ] = split_value(x);
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switch (+unit) {
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case 0: return [+time, "s"]; // seconds;
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case 1: return [+time / 1000, "ms"]; // milliseconds;
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case 2: return [+time / 60, "ticks"]; // ticks
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default: return [0, ""];
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}
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}
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export class DurationInput extends preact.Component {
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constructor(props) {
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super(props);
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this._amtChange = this.amtChange.bind(this);
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this._unitChange = this.unitChange.bind(this);
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}
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amtChange(e) {
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e.preventDefault();
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let { value } = this.props;
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var [ time, unit ] = split_value(value);
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var new_time = e.target.value.replace(/^\s+|\s+$/g,"");
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var n = Number(new_time);
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if (Number.isNaN(n)) {
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e.target.value = time;
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return; // error.
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}
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this.change(new_time, unit);
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}
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unitChange(e) {
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e.preventDefault();
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let { value } = this.props;
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var [ time, unit ] = split_value(value);
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var new_unit = +e.target.value;
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let s = DurationToSeconds(value);
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if (new_unit == unit) return;
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var new_time = 0;
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switch(new_unit) {
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case 0: new_time = s; break;
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case 1: new_time = s * 1000; break;
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case 2: new_time = s * 60; break;
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}
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this.change(new_time, new_unit);
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}
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change(time, unit) {
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let { onChange } = this.props;
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if (onChange) {
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onChange(time + ":" + unit);
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}
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}
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render() {
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var { value,disabled } = this.props;
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var [ amt, unit ] = split_value(value);
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var options = ["Seconds", "Milliseconds", "Ticks"].map( (x, ix) => {
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return <option key={ix} value={ix}>{x}</option>
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});
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return (
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<>
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<input type="text" value={amt} disabled={disabled} onChange={this._amtChange} />
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{' '}
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<select value={unit} disabled={disabled} onChange={this._unitChange}>{options}</select>
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</>
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);
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}
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}
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