538 lines
16 KiB
JavaScript
538 lines
16 KiB
JavaScript
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import "../../../src/components/VSlider/VSlider.sass"; // Components
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import VInput from '../VInput';
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import { VScaleTransition } from '../transitions'; // Mixins
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import mixins from '../../util/mixins';
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import Loadable from '../../mixins/loadable'; // Directives
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import ClickOutside from '../../directives/click-outside'; // Helpers
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import { addOnceEventListener, deepEqual, keyCodes, createRange, convertToUnit, passiveSupported } from '../../util/helpers';
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import { consoleWarn } from '../../util/console';
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export default mixins(VInput, Loadable
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/* @vue/component */
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).extend({
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name: 'v-slider',
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directives: {
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ClickOutside
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},
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mixins: [Loadable],
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props: {
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disabled: Boolean,
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inverseLabel: Boolean,
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max: {
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type: [Number, String],
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default: 100
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},
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min: {
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type: [Number, String],
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default: 0
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},
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step: {
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type: [Number, String],
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default: 1
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},
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thumbColor: String,
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thumbLabel: {
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type: [Boolean, String],
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default: null,
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validator: v => typeof v === 'boolean' || v === 'always'
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},
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thumbSize: {
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type: [Number, String],
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default: 32
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},
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tickLabels: {
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type: Array,
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default: () => []
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},
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ticks: {
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type: [Boolean, String],
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default: false,
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validator: v => typeof v === 'boolean' || v === 'always'
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},
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tickSize: {
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type: [Number, String],
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default: 2
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},
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trackColor: String,
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trackFillColor: String,
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value: [Number, String],
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vertical: Boolean
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},
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data: () => ({
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app: null,
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oldValue: null,
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keyPressed: 0,
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isFocused: false,
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isActive: false,
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lazyValue: 0
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}),
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computed: {
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classes() {
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return { ...VInput.options.computed.classes.call(this),
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'v-input__slider': true,
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'v-input__slider--vertical': this.vertical,
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'v-input__slider--inverse-label': this.inverseLabel
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};
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},
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internalValue: {
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get() {
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return this.lazyValue;
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},
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set(val) {
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val = isNaN(val) ? this.minValue : val; // Round value to ensure the
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// entire slider range can
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// be selected with step
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const value = this.roundValue(Math.min(Math.max(val, this.minValue), this.maxValue));
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if (value === this.lazyValue) return;
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this.lazyValue = value;
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this.$emit('input', value);
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}
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},
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trackTransition() {
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return this.keyPressed >= 2 ? 'none' : '';
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},
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minValue() {
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return parseFloat(this.min);
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},
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maxValue() {
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return parseFloat(this.max);
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},
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stepNumeric() {
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return this.step > 0 ? parseFloat(this.step) : 0;
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},
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inputWidth() {
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const value = (this.roundValue(this.internalValue) - this.minValue) / (this.maxValue - this.minValue) * 100;
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return value;
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},
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trackFillStyles() {
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const startDir = this.vertical ? 'bottom' : 'left';
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const endDir = this.vertical ? 'top' : 'right';
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const valueDir = this.vertical ? 'height' : 'width';
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const start = this.$vuetify.rtl ? 'auto' : '0';
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const end = this.$vuetify.rtl ? '0' : 'auto';
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const value = this.disabled ? `calc(${this.inputWidth}% - 10px)` : `${this.inputWidth}%`;
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return {
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transition: this.trackTransition,
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[startDir]: start,
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[endDir]: end,
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[valueDir]: value
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};
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},
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trackStyles() {
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const startDir = this.vertical ? this.$vuetify.rtl ? 'bottom' : 'top' : this.$vuetify.rtl ? 'left' : 'right';
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const endDir = this.vertical ? 'height' : 'width';
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const start = '0px';
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const end = this.disabled ? `calc(${100 - this.inputWidth}% - 10px)` : `calc(${100 - this.inputWidth}%)`;
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return {
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transition: this.trackTransition,
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[startDir]: start,
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[endDir]: end
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};
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},
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showTicks() {
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return this.tickLabels.length > 0 || !!(!this.disabled && this.stepNumeric && this.ticks);
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},
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numTicks() {
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return Math.ceil((this.maxValue - this.minValue) / this.stepNumeric);
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},
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showThumbLabel() {
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return !this.disabled && !!(this.thumbLabel || this.$scopedSlots['thumb-label']);
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},
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computedTrackColor() {
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if (this.disabled) return undefined;
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if (this.trackColor) return this.trackColor;
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if (this.isDark) return this.validationState;
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return this.validationState || 'primary lighten-3';
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},
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computedTrackFillColor() {
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if (this.disabled) return undefined;
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if (this.trackFillColor) return this.trackFillColor;
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return this.validationState || this.computedColor;
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},
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computedThumbColor() {
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if (this.thumbColor) return this.thumbColor;
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return this.validationState || this.computedColor;
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}
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},
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watch: {
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min(val) {
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const parsed = parseFloat(val);
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parsed > this.internalValue && this.$emit('input', parsed);
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},
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max(val) {
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const parsed = parseFloat(val);
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parsed < this.internalValue && this.$emit('input', parsed);
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},
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value: {
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handler(v) {
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this.internalValue = v;
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}
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}
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},
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// If done in as immediate in
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// value watcher, causes issues
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// with vue-test-utils
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beforeMount() {
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this.internalValue = this.value;
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},
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mounted() {
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// Without a v-app, iOS does not work with body selectors
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this.app = document.querySelector('[data-app]') || consoleWarn('Missing v-app or a non-body wrapping element with the [data-app] attribute', this);
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},
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methods: {
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genDefaultSlot() {
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const children = [this.genLabel()];
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const slider = this.genSlider();
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this.inverseLabel ? children.unshift(slider) : children.push(slider);
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children.push(this.genProgress());
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return children;
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},
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genSlider() {
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return this.$createElement('div', {
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class: {
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'v-slider': true,
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'v-slider--horizontal': !this.vertical,
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'v-slider--vertical': this.vertical,
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'v-slider--focused': this.isFocused,
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'v-slider--active': this.isActive,
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'v-slider--disabled': this.disabled,
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'v-slider--readonly': this.readonly,
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...this.themeClasses
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},
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directives: [{
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name: 'click-outside',
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value: this.onBlur
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}],
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on: {
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click: this.onSliderClick
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}
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}, this.genChildren());
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},
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genChildren() {
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return [this.genInput(), this.genTrackContainer(), this.genSteps(), this.genThumbContainer(this.internalValue, this.inputWidth, this.isActive, this.isFocused, this.onThumbMouseDown, this.onFocus)];
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},
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genInput() {
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return this.$createElement('input', {
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attrs: {
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value: this.internalValue,
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id: this.computedId,
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disabled: this.disabled,
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readonly: true,
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tabindex: -1,
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...this.$attrs
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}
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});
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},
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genTrackContainer() {
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const children = [this.$createElement('div', this.setBackgroundColor(this.computedTrackColor, {
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staticClass: 'v-slider__track-background',
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style: this.trackStyles
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})), this.$createElement('div', this.setBackgroundColor(this.computedTrackFillColor, {
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staticClass: 'v-slider__track-fill',
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style: this.trackFillStyles
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}))];
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return this.$createElement('div', {
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staticClass: 'v-slider__track-container',
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ref: 'track'
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}, children);
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},
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genSteps() {
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if (!this.step || !this.showTicks) return null;
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const tickSize = parseFloat(this.tickSize);
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const range = createRange(this.numTicks + 1);
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const direction = this.vertical ? 'bottom' : 'left';
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const offsetDirection = this.vertical ? 'right' : 'top';
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if (this.vertical) range.reverse();
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const ticks = range.map(i => {
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const index = this.$vuetify.rtl ? this.maxValue - i : i;
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const children = [];
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if (this.tickLabels[index]) {
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children.push(this.$createElement('div', {
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staticClass: 'v-slider__tick-label'
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}, this.tickLabels[index]));
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}
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const width = i * (100 / this.numTicks);
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const filled = this.$vuetify.rtl ? 100 - this.inputWidth < width : width < this.inputWidth;
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return this.$createElement('span', {
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key: i,
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staticClass: 'v-slider__tick',
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class: {
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'v-slider__tick--filled': filled
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},
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style: {
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width: `${tickSize}px`,
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height: `${tickSize}px`,
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[direction]: `calc(${width}% - ${tickSize / 2}px)`,
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[offsetDirection]: `calc(50% - ${tickSize / 2}px)`
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}
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}, children);
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});
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return this.$createElement('div', {
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staticClass: 'v-slider__ticks-container',
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class: {
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'v-slider__ticks-container--always-show': this.ticks === 'always' || this.tickLabels.length > 0
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}
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}, ticks);
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},
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genThumbContainer(value, valueWidth, isActive, isFocused, onDrag, onFocus, ref = 'thumb') {
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const children = [this.genThumb()];
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const thumbLabelContent = this.genThumbLabelContent(value);
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this.showThumbLabel && children.push(this.genThumbLabel(thumbLabelContent));
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return this.$createElement('div', this.setTextColor(this.computedThumbColor, {
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ref,
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staticClass: 'v-slider__thumb-container',
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class: {
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'v-slider__thumb-container--active': isActive,
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'v-slider__thumb-container--focused': isFocused,
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'v-slider__thumb-container--show-label': this.showThumbLabel
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},
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style: this.getThumbContainerStyles(valueWidth),
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attrs: {
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role: 'slider',
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tabindex: this.disabled || this.readonly ? -1 : this.$attrs.tabindex ? this.$attrs.tabindex : 0,
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'aria-label': this.label,
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'aria-valuemin': this.min,
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'aria-valuemax': this.max,
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'aria-valuenow': this.internalValue,
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'aria-readonly': String(this.readonly),
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'aria-orientation': this.vertical ? 'vertical' : 'horizontal',
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...this.$attrs
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},
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on: {
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focus: onFocus,
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blur: this.onBlur,
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keydown: this.onKeyDown,
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keyup: this.onKeyUp,
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touchstart: onDrag,
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mousedown: onDrag
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}
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}), children);
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},
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genThumbLabelContent(value) {
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return this.$scopedSlots['thumb-label'] ? this.$scopedSlots['thumb-label']({
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value
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}) : [this.$createElement('span', [String(value)])];
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},
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genThumbLabel(content) {
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const size = convertToUnit(this.thumbSize);
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const transform = this.vertical ? `translateY(20%) translateY(${Number(this.thumbSize) / 3 - 1}px) translateX(55%) rotate(135deg)` : `translateY(-20%) translateY(-12px) translateX(-50%) rotate(45deg)`;
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return this.$createElement(VScaleTransition, {
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props: {
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origin: 'bottom center'
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}
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}, [this.$createElement('div', {
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staticClass: 'v-slider__thumb-label-container',
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directives: [{
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name: 'show',
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value: this.isFocused || this.isActive || this.thumbLabel === 'always'
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}]
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}, [this.$createElement('div', this.setBackgroundColor(this.computedThumbColor, {
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staticClass: 'v-slider__thumb-label',
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style: {
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height: size,
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width: size,
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transform
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}
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}), [this.$createElement('div', content)])])]);
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},
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genThumb() {
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return this.$createElement('div', this.setBackgroundColor(this.computedThumbColor, {
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staticClass: 'v-slider__thumb'
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}));
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},
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getThumbContainerStyles(width) {
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const direction = this.vertical ? 'top' : 'left';
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let value = this.$vuetify.rtl ? 100 - width : width;
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value = this.vertical ? 100 - value : value;
|
||
|
|
return {
|
||
|
|
transition: this.trackTransition,
|
||
|
|
[direction]: `${value}%`
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
onThumbMouseDown(e) {
|
||
|
|
this.oldValue = this.internalValue;
|
||
|
|
this.keyPressed = 2;
|
||
|
|
this.isActive = true;
|
||
|
|
const mouseUpOptions = passiveSupported ? {
|
||
|
|
passive: true,
|
||
|
|
capture: true
|
||
|
|
} : true;
|
||
|
|
const mouseMoveOptions = passiveSupported ? {
|
||
|
|
passive: true
|
||
|
|
} : false;
|
||
|
|
|
||
|
|
if ('touches' in e) {
|
||
|
|
this.app.addEventListener('touchmove', this.onMouseMove, mouseMoveOptions);
|
||
|
|
addOnceEventListener(this.app, 'touchend', this.onSliderMouseUp, mouseUpOptions);
|
||
|
|
} else {
|
||
|
|
this.app.addEventListener('mousemove', this.onMouseMove, mouseMoveOptions);
|
||
|
|
addOnceEventListener(this.app, 'mouseup', this.onSliderMouseUp, mouseUpOptions);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.$emit('start', this.internalValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
onSliderMouseUp(e) {
|
||
|
|
e.stopPropagation();
|
||
|
|
this.keyPressed = 0;
|
||
|
|
const mouseMoveOptions = passiveSupported ? {
|
||
|
|
passive: true
|
||
|
|
} : false;
|
||
|
|
this.app.removeEventListener('touchmove', this.onMouseMove, mouseMoveOptions);
|
||
|
|
this.app.removeEventListener('mousemove', this.onMouseMove, mouseMoveOptions);
|
||
|
|
this.$emit('end', this.internalValue);
|
||
|
|
|
||
|
|
if (!deepEqual(this.oldValue, this.internalValue)) {
|
||
|
|
this.$emit('change', this.internalValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.isActive = false;
|
||
|
|
},
|
||
|
|
|
||
|
|
onMouseMove(e) {
|
||
|
|
const {
|
||
|
|
value
|
||
|
|
} = this.parseMouseMove(e);
|
||
|
|
this.internalValue = value;
|
||
|
|
},
|
||
|
|
|
||
|
|
onKeyDown(e) {
|
||
|
|
if (this.disabled || this.readonly) return;
|
||
|
|
const value = this.parseKeyDown(e, this.internalValue);
|
||
|
|
if (value == null) return;
|
||
|
|
this.internalValue = value;
|
||
|
|
this.$emit('change', value);
|
||
|
|
},
|
||
|
|
|
||
|
|
onKeyUp() {
|
||
|
|
this.keyPressed = 0;
|
||
|
|
},
|
||
|
|
|
||
|
|
onSliderClick(e) {
|
||
|
|
const thumb = this.$refs.thumb;
|
||
|
|
thumb.focus();
|
||
|
|
this.onMouseMove(e);
|
||
|
|
this.$emit('change', this.internalValue);
|
||
|
|
},
|
||
|
|
|
||
|
|
onBlur(e) {
|
||
|
|
this.isFocused = false;
|
||
|
|
this.$emit('blur', e);
|
||
|
|
},
|
||
|
|
|
||
|
|
onFocus(e) {
|
||
|
|
this.isFocused = true;
|
||
|
|
this.$emit('focus', e);
|
||
|
|
},
|
||
|
|
|
||
|
|
parseMouseMove(e) {
|
||
|
|
const start = this.vertical ? 'top' : 'left';
|
||
|
|
const length = this.vertical ? 'height' : 'width';
|
||
|
|
const click = this.vertical ? 'clientY' : 'clientX';
|
||
|
|
const {
|
||
|
|
[start]: trackStart,
|
||
|
|
[length]: trackLength
|
||
|
|
} = this.$refs.track.getBoundingClientRect();
|
||
|
|
const clickOffset = 'touches' in e ? e.touches[0][click] : e[click]; // Can we get rid of any here?
|
||
|
|
// It is possible for left to be NaN, force to number
|
||
|
|
|
||
|
|
let clickPos = Math.min(Math.max((clickOffset - trackStart) / trackLength, 0), 1) || 0;
|
||
|
|
if (this.vertical) clickPos = 1 - clickPos;
|
||
|
|
if (this.$vuetify.rtl) clickPos = 1 - clickPos;
|
||
|
|
const isInsideTrack = clickOffset >= trackStart && clickOffset <= trackStart + trackLength;
|
||
|
|
const value = parseFloat(this.min) + clickPos * (this.maxValue - this.minValue);
|
||
|
|
return {
|
||
|
|
value,
|
||
|
|
isInsideTrack
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
parseKeyDown(e, value) {
|
||
|
|
if (this.disabled) return;
|
||
|
|
const {
|
||
|
|
pageup,
|
||
|
|
pagedown,
|
||
|
|
end,
|
||
|
|
home,
|
||
|
|
left,
|
||
|
|
right,
|
||
|
|
down,
|
||
|
|
up
|
||
|
|
} = keyCodes;
|
||
|
|
if (![pageup, pagedown, end, home, left, right, down, up].includes(e.keyCode)) return;
|
||
|
|
e.preventDefault();
|
||
|
|
const step = this.stepNumeric || 1;
|
||
|
|
const steps = (this.maxValue - this.minValue) / step;
|
||
|
|
|
||
|
|
if ([left, right, down, up].includes(e.keyCode)) {
|
||
|
|
this.keyPressed += 1;
|
||
|
|
const increase = this.$vuetify.rtl ? [left, up] : [right, up];
|
||
|
|
const direction = increase.includes(e.keyCode) ? 1 : -1;
|
||
|
|
const multiplier = e.shiftKey ? 3 : e.ctrlKey ? 2 : 1;
|
||
|
|
value = value + direction * step * multiplier;
|
||
|
|
} else if (e.keyCode === home) {
|
||
|
|
value = this.minValue;
|
||
|
|
} else if (e.keyCode === end) {
|
||
|
|
value = this.maxValue;
|
||
|
|
} else {
|
||
|
|
const direction = e.keyCode === pagedown ? 1 : -1;
|
||
|
|
value = value - direction * step * (steps > 100 ? steps / 10 : 10);
|
||
|
|
}
|
||
|
|
|
||
|
|
return value;
|
||
|
|
},
|
||
|
|
|
||
|
|
roundValue(value) {
|
||
|
|
if (!this.stepNumeric) return value; // Format input value using the same number
|
||
|
|
// of decimals places as in the step prop
|
||
|
|
|
||
|
|
const trimmedStep = this.step.toString().trim();
|
||
|
|
const decimals = trimmedStep.indexOf('.') > -1 ? trimmedStep.length - trimmedStep.indexOf('.') - 1 : 0;
|
||
|
|
const offset = this.minValue % this.stepNumeric;
|
||
|
|
const newValue = Math.round((value - offset) / this.stepNumeric) * this.stepNumeric + offset;
|
||
|
|
return parseFloat(Math.min(newValue, this.maxValue).toFixed(decimals));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
});
|
||
|
|
//# sourceMappingURL=VSlider.js.map
|