274 lines
6.9 KiB
JavaScript
274 lines
6.9 KiB
JavaScript
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import "../../../src/components/VTimePicker/VTimePickerClock.sass"; // Mixins
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import Colorable from '../../mixins/colorable';
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import Themeable from '../../mixins/themeable'; // Types
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import mixins from '../../util/mixins';
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export default mixins(Colorable, Themeable
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/* @vue/component */
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).extend({
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name: 'v-time-picker-clock',
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props: {
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allowedValues: Function,
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ampm: Boolean,
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disabled: Boolean,
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double: Boolean,
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format: {
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type: Function,
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default: val => val
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},
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max: {
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type: Number,
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required: true
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},
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min: {
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type: Number,
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required: true
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},
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scrollable: Boolean,
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readonly: Boolean,
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rotate: {
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type: Number,
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default: 0
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},
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step: {
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type: Number,
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default: 1
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},
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value: Number
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},
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data() {
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return {
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inputValue: this.value,
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isDragging: false,
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valueOnMouseDown: null,
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valueOnMouseUp: null
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};
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},
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computed: {
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count() {
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return this.max - this.min + 1;
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},
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degreesPerUnit() {
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return 360 / this.roundCount;
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},
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degrees() {
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return this.degreesPerUnit * Math.PI / 180;
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},
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displayedValue() {
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return this.value == null ? this.min : this.value;
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},
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innerRadiusScale() {
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return 0.62;
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},
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roundCount() {
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return this.double ? this.count / 2 : this.count;
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}
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},
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watch: {
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value(value) {
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this.inputValue = value;
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}
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},
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methods: {
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wheel(e) {
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e.preventDefault();
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const delta = Math.sign(-e.deltaY || 1);
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let value = this.displayedValue;
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do {
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value = value + delta;
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value = (value - this.min + this.count) % this.count + this.min;
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} while (!this.isAllowed(value) && value !== this.displayedValue);
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if (value !== this.displayedValue) {
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this.update(value);
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}
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},
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isInner(value) {
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return this.double && value - this.min >= this.roundCount;
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},
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handScale(value) {
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return this.isInner(value) ? this.innerRadiusScale : 1;
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},
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isAllowed(value) {
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return !this.allowedValues || this.allowedValues(value);
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},
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genValues() {
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const children = [];
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for (let value = this.min; value <= this.max; value = value + this.step) {
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const color = value === this.value && (this.color || 'accent');
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children.push(this.$createElement('span', this.setBackgroundColor(color, {
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staticClass: 'v-time-picker-clock__item',
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class: {
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'v-time-picker-clock__item--active': value === this.displayedValue,
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'v-time-picker-clock__item--disabled': this.disabled || !this.isAllowed(value)
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},
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style: this.getTransform(value),
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domProps: {
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innerHTML: `<span>${this.format(value)}</span>`
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}
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})));
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}
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return children;
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},
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genHand() {
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const scale = `scaleY(${this.handScale(this.displayedValue)})`;
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const angle = this.rotate + this.degreesPerUnit * (this.displayedValue - this.min);
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const color = this.value != null && (this.color || 'accent');
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return this.$createElement('div', this.setBackgroundColor(color, {
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staticClass: 'v-time-picker-clock__hand',
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class: {
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'v-time-picker-clock__hand--inner': this.isInner(this.value)
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},
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style: {
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transform: `rotate(${angle}deg) ${scale}`
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}
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}));
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},
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getTransform(i) {
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const {
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x,
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y
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} = this.getPosition(i);
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return {
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left: `${50 + x * 50}%`,
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top: `${50 + y * 50}%`
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};
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},
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getPosition(value) {
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const rotateRadians = this.rotate * Math.PI / 180;
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return {
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x: Math.sin((value - this.min) * this.degrees + rotateRadians) * this.handScale(value),
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y: -Math.cos((value - this.min) * this.degrees + rotateRadians) * this.handScale(value)
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};
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},
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onMouseDown(e) {
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e.preventDefault();
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this.valueOnMouseDown = null;
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this.valueOnMouseUp = null;
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this.isDragging = true;
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this.onDragMove(e);
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},
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onMouseUp(e) {
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e.stopPropagation();
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this.isDragging = false;
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if (this.valueOnMouseUp !== null && this.isAllowed(this.valueOnMouseUp)) {
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this.$emit('change', this.valueOnMouseUp);
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}
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},
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onDragMove(e) {
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e.preventDefault();
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if (!this.isDragging && e.type !== 'click') return;
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const {
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width,
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top,
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left
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} = this.$refs.clock.getBoundingClientRect();
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const {
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width: innerWidth
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} = this.$refs.innerClock.getBoundingClientRect();
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const {
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clientX,
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clientY
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} = 'touches' in e ? e.touches[0] : e;
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const center = {
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x: width / 2,
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y: -width / 2
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};
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const coords = {
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x: clientX - left,
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y: top - clientY
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};
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const handAngle = Math.round(this.angle(center, coords) - this.rotate + 360) % 360;
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const insideClick = this.double && this.euclidean(center, coords) < (innerWidth + innerWidth * this.innerRadiusScale) / 4;
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const value = (Math.round(handAngle / this.degreesPerUnit) + (insideClick ? this.roundCount : 0)) % this.count + this.min; // Necessary to fix edge case when selecting left part of the value(s) at 12 o'clock
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let newValue;
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if (handAngle >= 360 - this.degreesPerUnit / 2) {
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newValue = insideClick ? this.max - this.roundCount + 1 : this.min;
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} else {
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newValue = value;
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}
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if (this.isAllowed(value)) {
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if (this.valueOnMouseDown === null) {
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this.valueOnMouseDown = newValue;
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}
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this.valueOnMouseUp = newValue;
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this.update(newValue);
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}
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},
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update(value) {
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if (this.inputValue !== value) {
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this.inputValue = value;
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this.$emit('input', value);
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}
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},
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euclidean(p0, p1) {
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const dx = p1.x - p0.x;
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const dy = p1.y - p0.y;
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return Math.sqrt(dx * dx + dy * dy);
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},
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angle(center, p1) {
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const value = 2 * Math.atan2(p1.y - center.y - this.euclidean(center, p1), p1.x - center.x);
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return Math.abs(value * 180 / Math.PI);
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}
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},
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render(h) {
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const data = {
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staticClass: 'v-time-picker-clock',
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class: {
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'v-time-picker-clock--indeterminate': this.value == null,
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...this.themeClasses
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},
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on: this.readonly || this.disabled ? undefined : Object.assign({
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mousedown: this.onMouseDown,
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mouseup: this.onMouseUp,
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mouseleave: e => this.isDragging && this.onMouseUp(e),
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touchstart: this.onMouseDown,
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touchend: this.onMouseUp,
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mousemove: this.onDragMove,
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touchmove: this.onDragMove
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}, this.scrollable ? {
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wheel: this.wheel
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} : {}),
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ref: 'clock'
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};
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return h('div', data, [h('div', {
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staticClass: 'v-time-picker-clock__inner',
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ref: 'innerClock'
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}, [this.genHand(), this.genValues()])]);
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}
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});
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//# sourceMappingURL=VTimePickerClock.js.map
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