From e8005c8d3a6edf2c8cdce3fe098fb9acff8a57c6 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Sun, 28 Nov 2021 20:07:37 +0900
Subject: client: refine ui

---
 packages/client/src/components/form/range.vue | 274 ++++++++++++++++++--------
 1 file changed, 191 insertions(+), 83 deletions(-)

(limited to 'packages/client/src/components/form/range.vue')

diff --git a/packages/client/src/components/form/range.vue b/packages/client/src/components/form/range.vue
index dd771abfe2..79a83d6a93 100644
--- a/packages/client/src/components/form/range.vue
+++ b/packages/client/src/components/form/range.vue
@@ -1,29 +1,27 @@
 <template>
-<div class="timctyfi" :class="{ focused, disabled }">
-	<div class="icon"><slot name="icon"></slot></div>
-	<span class="label"><slot name="label"></slot></span>
-	<input
-		ref="input"
-		v-model="v"
-		type="range"
-		:disabled="disabled"
-		:min="min"
-		:max="max"
-		:step="step"
-		:autofocus="autofocus"
-		@focus="focused = true"
-		@blur="focused = false"
-		@input="$emit('update:value', $event.target.value)"
-	/>
+<div class="timctyfi" :class="{ disabled }">
+	<div class="label"><slot name="label"></slot></div>
+	<div v-panel class="body">
+		<div ref="containerEl" class="container">
+			<div class="track">
+				<div class="highlight" :style="{ width: (steppedValue * 100) + '%' }"></div>
+			</div>
+			<div v-if="steps" class="ticks">
+				<div v-for="i in (steps + 1)" class="tick" :style="{ left: (((i - 1) / steps) * 100) + '%' }"></div>
+			</div>
+			<div ref="thumbEl" v-tooltip="textConverter(finalValue)" class="thumb" :style="{ left: thumbPosition + 'px' }" @mousedown="onMousedown" @touchstart="onMousedown"></div>
+		</div>
+	</div>
 </div>
 </template>
 
 <script lang="ts">
-import { defineComponent } from 'vue';
+import { computed, defineComponent, ref, watch } from 'vue';
+import * as os from '@/os';
 
 export default defineComponent({
 	props: {
-		value: {
+		modelValue: {
 			type: Number,
 			required: false,
 			default: 0
@@ -51,88 +49,198 @@ export default defineComponent({
 		autofocus: {
 			type: Boolean,
 			required: false
-		}
+		},
+		textConverter: {
+			type: Function,
+			required: false,
+			default: (v) => v.toString(),
+		},
 	},
-	data() {
+
+	setup(props, context) {
+		const rawValue = ref((props.modelValue - props.min) / (props.max - props.min));
+		const steppedValue = computed(() => {
+			if (props.step) {
+				const step = props.step / (props.max - props.min);
+				return (step * Math.round(rawValue.value / step));
+			} else {
+				return rawValue.value;
+			}
+		});
+		const finalValue = computed(() => {
+			return (steppedValue.value * (props.max - props.min)) + props.min;
+		});
+		watch(finalValue, () => {
+			context.emit('update:modelValue', finalValue.value);
+		});
+
+		const thumbWidth = computed(() => {
+			if (thumbEl.value == null) return 0;
+			return thumbEl.value!.offsetWidth;
+		});
+		const thumbPosition = computed(() => {
+			if (containerEl.value == null) return 0;
+			return (containerEl.value.offsetWidth - thumbWidth.value) * steppedValue.value;
+		});
+		const steps = computed(() => {
+			if (props.step) {
+				return (props.max - props.min) / props.step;
+			} else {
+				return 0;
+			}
+		});
+		const containerEl = ref<HTMLElement>();
+		const thumbEl = ref<HTMLElement>();
+
+		const onMousedown = (ev: MouseEvent | TouchEvent) => {
+			ev.preventDefault();
+
+			const tooltipShowing = ref(true);
+			os.popup(import('@/components/ui/tooltip.vue'), {
+				showing: tooltipShowing,
+				text: computed(() => {
+					return props.textConverter(finalValue.value);
+				}),
+				source: thumbEl,
+			}, {}, 'closed');
+
+			const style = document.createElement('style');
+			style.appendChild(document.createTextNode('* { cursor: grabbing !important; } body * { pointer-events: none !important; }'));
+			document.head.appendChild(style);
+
+			const onDrag = (ev: MouseEvent | TouchEvent) => {
+				ev.preventDefault();
+				const containerRect = containerEl.value!.getBoundingClientRect();
+				const pointerX = ev.touches && ev.touches.length > 0 ? ev.touches[0].clientX : ev.clientX;
+				const pointerPositionOnContainer = pointerX - (containerRect.left + (thumbWidth.value / 2));
+				rawValue.value = Math.min(1, Math.max(0, pointerPositionOnContainer / (containerEl.value!.offsetWidth - thumbWidth.value)));
+			};
+
+			const onMouseup = () => {
+				document.head.removeChild(style);
+				tooltipShowing.value = false;
+				window.removeEventListener('mousemove', onDrag);
+				window.removeEventListener('touchmove', onDrag);
+				window.removeEventListener('mouseup', onMouseup);
+				window.removeEventListener('touchend', onMouseup);
+			};
+
+			window.addEventListener('mousemove', onDrag);
+			window.addEventListener('touchmove', onDrag);
+			window.addEventListener('mouseup', onMouseup, { once: true });
+			window.addEventListener('touchend', onMouseup, { once: true });
+		};
+
 		return {
-			v: this.value,
-			focused: false
+			rawValue,
+			finalValue,
+			steppedValue,
+			onMousedown,
+			containerEl,
+			thumbEl,
+			thumbPosition,
+			steps,
 		};
 	},
-	watch: {
-		value(v) {
-			this.v = parseFloat(v);
-		}
-	},
-	mounted() {
-		if (this.autofocus) {
-			this.$nextTick(() => {
-				this.$refs.input.focus();
-			});
-		}
-	}
 });
 </script>
 
 <style lang="scss" scoped>
+@use "sass:math";
+
 .timctyfi {
 	position: relative;
-	margin: 8px;
 
-	> .icon {
-		display: inline-block;
-		width: 24px;
-		text-align: center;
-	}
+	> .label {
+		font-size: 0.85em;
+		padding: 0 0 8px 0;
+		user-select: none;
 
-	> .title {
-		pointer-events: none;
-		font-size: 16px;
-		color: var(--inputLabel);
-		overflow: hidden;
+		&:empty {
+			display: none;
+		}
 	}
 
-	> input {
-		-webkit-appearance: none;
-		-moz-appearance: none;
-		appearance: none;
-		background: var(--X10);
-		height: 7px;
-		margin: 0 8px;
-		outline: 0;
-		border: 0;
-		border-radius: 7px;
-
-		&.disabled {
-			opacity: 0.6;
-			cursor: not-allowed;
-		}
+	> .caption {
+		font-size: 0.85em;
+		padding: 8px 0 0 0;
+		color: var(--fgTransparentWeak);
 
-		&::-webkit-slider-thumb {
-			-webkit-appearance: none;
-			appearance: none;
-			cursor: pointer;
-			width: 20px;
-			height: 20px;
-			display: block;
-			border-radius: 50%;
-			border: none;
-			background: var(--accent);
-			box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
-			box-sizing: content-box;
+		&:empty {
+			display: none;
 		}
+	}
+
+	$thumbHeight: 20px;
+	$thumbWidth: 20px;
+
+	> .body {
+		padding: 12px;
+		border-radius: 6px;
+
+		> .container {
+			position: relative;
+			height: $thumbHeight;
+
+			> .track {
+				position: absolute;
+				top: 0;
+				bottom: 0;
+				left: 0;
+				right: 0;
+				margin: auto;
+				width: calc(100% - #{$thumbWidth});
+				height: 3px;
+				background: rgba(0, 0, 0, 0.1);
+				border-radius: 999px;
+				overflow: clip;
+
+				> .highlight {
+					position: absolute;
+					top: 0;
+					left: 0;
+					height: 100%;
+					background: var(--accent);
+					opacity: 0.5;
+					transition: width 0.2s cubic-bezier(0,0,0,1);
+				}
+			}
+
+			> .ticks {
+				$tickWidth: 3px;
+
+				position: absolute;
+				top: 0;
+				bottom: 0;
+				left: 0;
+				right: 0;
+				margin: auto;
+				width: calc(100% - #{$thumbWidth});
+
+				> .tick {
+					position: absolute;
+					bottom: 0;
+					width: $tickWidth;
+					height: 3px;
+					margin-left: - math.div($tickWidth, 2);
+					background: var(--divider);
+					border-radius: 999px;
+				}
+			}
+
+			> .thumb {
+				position: absolute;
+				width: $thumbWidth;
+				height: $thumbHeight;
+				cursor: grab;
+				background: var(--accent);
+				border-radius: 999px;
+				transition: left 0.2s cubic-bezier(0,0,0,1);
 
-		&::-moz-range-thumb {
-			-moz-appearance: none;
-			appearance: none;
-			cursor: pointer;
-			width: 20px;
-			height: 20px;
-			display: block;
-			border-radius: 50%;
-			border: none;
-			background: var(--accent);
-			box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
+				&:hover {
+					background: var(--accentLighten);
+				}
+			}
 		}
 	}
 }
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