215 lines
13 KiB
Plaintext
215 lines
13 KiB
Plaintext
import FieldStyles from "../styles/FieldStyles.wrn"
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import ComponentBaseStyles from "../styles/ComponentBaseStyles.wrn"
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component RangeSlider {
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outputs {
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input(payload: ({ value: number; name: string; sourceEvent: Event }) | ({ sourceEvent?: Event; value: string | number | boolean | null | object; [key: string]: string | number | boolean | null | object } | string | number | boolean | null | object[]))
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change(payload: ({ value: number; name: string; sourceEvent: Event }) | ({ sourceEvent?: Event; value: string | number | boolean | null | object; [key: string]: string | number | boolean | null | object } | string | number | boolean | null | object[]))
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focus(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
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blur(payload: { sourceEvent?: Event; [key: string]: string | number | boolean | null | object })
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}
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props {
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size: string = "default"
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color: string = "primary"
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id: string = ""
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name: string = ""
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label: string = "Range"
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hiddenLabel: boolean = false
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placeholder: string = ""
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variant: string = "normal"
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icon: string = ""
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iconPosition: string = "start"
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value: number = 50
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min: number = 0
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max: number = 100
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step: number = 1
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showValue: boolean = true
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showBounds: boolean = true
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showSteps: boolean = false
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marks: unknown[] = []
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helperText: string = ""
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cornerHint: string = ""
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error: string = ""
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inline: boolean = false
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readonly: boolean = false
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disabled: boolean = false
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required: boolean = false
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class: string = ""
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}
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state currentValue = value
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functions {
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shared function percent() { if (Number(max) === Number(min)) { return 0 } return (Number(currentValue) - Number(min)) / (Number(max) - Number(min)) * 100 }
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client function setValue(nextValue, sourceEvent, commit, detail, root, slider, input, outputElement, progressValue) { if (readonly || disabled) { return } currentValue = Number(nextValue); root = sourceEvent.currentTarget.closest(".wire-next--range-slider"); if (root) { slider = root.querySelector("[role=slider]"); input = root.querySelector("input[name='" + name + "']"); outputElement = root.querySelector("output"); progressValue = (currentValue - Number(min)) / (Number(max) - Number(min)) * 100; if (slider) { slider.setAttribute("aria-valuenow", String(currentValue)); slider.style.setProperty("--wire-range-progress", progressValue + "%") } if (input) { input.value = String(currentValue) } if (outputElement) { outputElement.textContent = String(currentValue) } } detail = { value: currentValue, min: min, max: max, step: step, name: name, sourceEvent: sourceEvent }; output.input(detail); if (commit) { output.change(detail) } }
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client function valueFromPointer(sourceEvent, rect, ratio) { rect = sourceEvent.currentTarget.getBoundingClientRect(); ratio = Math.max(0, Math.min(1, (sourceEvent.clientX - rect.left) / rect.width)); return Number(min) + ratio * (Number(max) - Number(min)) }
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client function beginSlide(sourceEvent, rect, ratio, rawValue) { if (readonly || disabled) { return } sourceEvent.currentTarget.setPointerCapture(sourceEvent.pointerId); rect = sourceEvent.currentTarget.getBoundingClientRect(); ratio = Math.max(0, Math.min(1, (sourceEvent.clientX - rect.left) / rect.width)); rawValue = Number(min) + ratio * (Number(max) - Number(min)); currentValue = Number(min) + Math.round((rawValue - Number(min)) / Number(step)) * Number(step); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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client function moveSlide(sourceEvent, rect, ratio, rawValue) { if (!sourceEvent.currentTarget.hasPointerCapture(sourceEvent.pointerId)) { return } rect = sourceEvent.currentTarget.getBoundingClientRect(); ratio = Math.max(0, Math.min(1, (sourceEvent.clientX - rect.left) / rect.width)); rawValue = Number(min) + ratio * (Number(max) - Number(min)); currentValue = Number(min) + Math.round((rawValue - Number(min)) / Number(step)) * Number(step); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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client function endSlide(sourceEvent, rect, ratio, rawValue) { rect = sourceEvent.currentTarget.getBoundingClientRect(); ratio = Math.max(0, Math.min(1, (sourceEvent.clientX - rect.left) / rect.width)); rawValue = Number(min) + ratio * (Number(max) - Number(min)); currentValue = Number(min) + Math.round((rawValue - Number(min)) / Number(step)) * Number(step); if (sourceEvent.currentTarget.hasPointerCapture(sourceEvent.pointerId)) { sourceEvent.currentTarget.releasePointerCapture(sourceEvent.pointerId) } output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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client function selectMark(sourceEvent, root, slider, input, outputElement, nextValue, progressValue, detail) { if (readonly || disabled) { return } root = sourceEvent.currentTarget.closest(".wire-next--range-slider"); slider = root.querySelector(".wire-next__custom-slider"); input = root.querySelector(".wire-next__range-value"); outputElement = root.querySelector("output"); nextValue = Number(sourceEvent.currentTarget.dataset.value); currentValue = nextValue; progressValue = (nextValue - Number(min)) / (Number(max) - Number(min)) * 100; slider.setAttribute("aria-valuenow", String(nextValue)); slider.style.setProperty("--wire-range-progress", progressValue + "%"); input.setAttribute("value", String(nextValue)); outputElement.replaceChildren(String(nextValue)); detail = { value: nextValue, min: min, max: max, step: step, name: name, sourceEvent: sourceEvent }; output.input(detail); output.change(detail) }
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client function handleKey(sourceEvent) { if (sourceEvent.key === "ArrowRight") { sourceEvent.preventDefault(); currentValue = Math.min(Number(max), Number(currentValue) + Number(step)); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) } if (sourceEvent.key === "ArrowLeft") { sourceEvent.preventDefault(); currentValue = Math.max(Number(min), Number(currentValue) - Number(step)); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) } if (sourceEvent.key === "Home") { sourceEvent.preventDefault(); currentValue = Number(min); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) } if (sourceEvent.key === "End") { sourceEvent.preventDefault(); currentValue = Number(max); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) } }
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client function emitFocus(nameEvent, sourceEvent) { output[nameEvent]({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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client function decreaseValue(sourceEvent) { currentValue = Math.max(Number(min), Number(currentValue) - Number(step)); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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client function increaseValue(sourceEvent) { currentValue = Math.min(Number(max), Number(currentValue) + Number(step)); output.input({ value: currentValue, name: name, sourceEvent: sourceEvent }); output.change({ value: currentValue, name: name, sourceEvent: sourceEvent }) }
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}
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view {
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<div {...attrs} class="wire-component wire-component--color-{color} wire-component--size-{size} wire-next--field wire-next--range-slider {class}" data-variant="{variant}" data-inline="{inline}" data-invalid="{error ? 'true' : 'false'}">
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<div class="wire-next__field-heading"><label class="{hiddenLabel ? 'wire-next__sr-only' : ''}" for="{id || name}">{label}</label>{#if cornerHint}<span class="wire-next__field-hint">{cornerHint}</span>{/if}</div>
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<div class="wire-next__range-control" data-variant="{variant}" data-icon-position="{iconPosition}" data-show-steps="{showSteps}">
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{#if icon}<span class="{icon}" aria-hidden="true"></span>{/if}
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<button type="button" class="wire-next__range-stepper" aria-label="Decrease {label}" disabled="{disabled || readonly}" @click="decreaseValue(event)">−</button>
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<div class="wire-next__range-track">
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<input id="{id || name}" class="wire-next__sr-only wire-next__range-value" type="number" name="{name}" value="{currentValue}" min="{min}" max="{max}" step="{step}" required="{required}" readonly />
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<div class="wire-next__custom-slider" role="slider" tabindex="{disabled ? '-1' : '0'}" aria-label="{hiddenLabel ? label : ''}" aria-valuemin="{min}" aria-valuemax="{max}" aria-valuenow="{currentValue}" aria-disabled="{disabled}" aria-readonly="{readonly}" aria-invalid="{error ? 'true' : 'false'}" style="--wire-range-progress: {percent()}%" @pointerdown="beginSlide(event)" @pointermove="moveSlide(event)" @pointerup="endSlide(event)" @pointercancel="endSlide(event)" @keydown="handleKey(event)" @focus="emitFocus('focus', event)" @blur="emitFocus('blur', event)">
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<span class="wire-next__slider-fill"></span><span class="wire-next__slider-thumb"></span>
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{#if marks.length}<span class="wire-next__slider-marks">{#each marks as mark}<button type="button" data-value="{mark.value}" style="left: {(Number(mark.value) - Number(min)) / (Number(max) - Number(min)) * 100}%" aria-label="{mark.label}" @click="selectMark(event)"></button>{/each}</span>{/if}
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</div>
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{#if showBounds}<div class="wire-next__range-bounds"><span>{min}</span><span>Step {step}</span><span>{max}</span></div>{/if}
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</div>
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{#if showValue}<output for="{id || name}">{currentValue}</output>{/if}
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<button type="button" class="wire-next__range-stepper" aria-label="Increase {label}" disabled="{disabled || readonly}" @click="increaseValue(event)">+</button>
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</div>
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{#if helperText}<small class="wire-next__field-help">{helperText}</small>{/if}<small class="wire-next__field-error" data-error="{name}">{error}</small>
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</div>
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<FieldStyles hidden />
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<ComponentBaseStyles hidden />
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}
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style {
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.wire-next__range-track {
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display: grid;
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flex: 1;
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min-width: 0;
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gap: 0.35rem;
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}
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.wire-next__range-control input {
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width: 100%;
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min-width: 0;
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margin: 0;
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flex: 1;
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accent-color: var(--wire-field-color);
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}
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.wire-next__custom-slider {
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position: relative;
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width: 100%;
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height: 1.5rem;
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cursor: pointer;
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touch-action: none;
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}
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.wire-next__custom-slider::before,
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.wire-next__slider-fill {
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position: absolute;
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top: 50%;
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height: 0.4rem;
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border-radius: 999px;
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transform: translateY(-50%);
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content: "";
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}
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.wire-next__custom-slider::before {
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right: 0;
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left: 0;
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background: var(--wire-color-surface-2);
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box-shadow: inset 0 0 0 1px var(--wire-color-border);
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}
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.wire-next__slider-fill {
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z-index: 1;
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left: 0;
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width: var(--wire-range-progress);
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background: var(--wire-field-color);
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}
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.wire-next__slider-thumb {
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position: absolute;
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z-index: 3;
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top: 50%;
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left: var(--wire-range-progress);
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width: 1.25rem;
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height: 1.25rem;
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border: 3px solid var(--wire-field-color);
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border-radius: 50%;
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background: var(--wire-color-surface);
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box-shadow: var(--wire-shadow-1);
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transform: translate(-50%, -50%);
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}
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.wire-next__custom-slider:focus-visible {
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outline: 3px solid color-mix(in srgb, var(--wire-field-color) 28%, transparent);
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outline-offset: 3px;
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}
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.wire-next__slider-marks button {
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position: absolute;
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z-index: 2;
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top: 50%;
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width: 0.55rem;
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height: 0.55rem;
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padding: 0;
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border: 2px solid var(--wire-color-surface);
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border-radius: 50%;
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background: var(--wire-color-muted);
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transform: translate(-50%, -50%);
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}
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.wire-next__range-control[data-show-steps="true"] input {
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background-image: repeating-linear-gradient(
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90deg,
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transparent 0,
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transparent calc(10% - 1px),
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var(--wire-color-border) calc(10% - 1px),
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var(--wire-color-border) 10%
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);
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}
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.wire-next__range-bounds {
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display: grid;
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grid-template-columns: 1fr auto 1fr;
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color: var(--wire-color-muted);
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font-size: 0.78em;
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font-variant-numeric: tabular-nums;
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}
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.wire-next__range-bounds span:nth-child(2) {
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text-align: center;
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}
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.wire-next__range-bounds span:last-child {
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text-align: right;
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}
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.wire-next__range-control output {
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min-width: 3ch;
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font-variant-numeric: tabular-nums;
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}
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.wire-next__range-stepper {
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display: inline-grid;
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width: 2.35rem;
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height: 2.35rem;
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flex: 0 0 auto;
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place-items: center;
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border: 1px solid var(--wire-color-border);
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border-radius: 50%;
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background: var(--wire-color-surface);
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color: var(--wire-color-text);
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font: inherit;
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font-size: 1.2rem;
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cursor: pointer;
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}
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.wire-next__range-stepper:hover:not(:disabled) {
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border-color: var(--wire-field-color);
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color: var(--wire-field-color);
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}
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.wire-next__range-stepper:disabled {
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cursor: not-allowed;
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opacity: 0.45;
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}
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}
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}
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