keksAccountGUI/node_modulesOLD/vuetify/lib/components/VTimePicker/VTimePickerClock.js

import "../../../src/components/VTimePicker/VTimePickerClock.sass"; // Mixins

import Colorable from '../../mixins/colorable';
import Themeable from '../../mixins/themeable'; // Types

import mixins from '../../util/mixins';
export default mixins(Colorable, Themeable
/* @vue/component */
).extend({
  name: 'v-time-picker-clock',
  props: {
    allowedValues: Function,
    ampm: Boolean,
    disabled: Boolean,
    double: Boolean,
    format: {
      type: Function,
      default: val => val
    },
    max: {
      type: Number,
      required: true
    },
    min: {
      type: Number,
      required: true
    },
    scrollable: Boolean,
    readonly: Boolean,
    rotate: {
      type: Number,
      default: 0
    },
    step: {
      type: Number,
      default: 1
    },
    value: Number
  },

  data() {
    return {
      inputValue: this.value,
      isDragging: false,
      valueOnMouseDown: null,
      valueOnMouseUp: null
    };
  },

  computed: {
    count() {
      return this.max - this.min + 1;
    },

    degreesPerUnit() {
      return 360 / this.roundCount;
    },

    degrees() {
      return this.degreesPerUnit * Math.PI / 180;
    },

    displayedValue() {
      return this.value == null ? this.min : this.value;
    },

    innerRadiusScale() {
      return 0.62;
    },

    roundCount() {
      return this.double ? this.count / 2 : this.count;
    }

  },
  watch: {
    value(value) {
      this.inputValue = value;
    }

  },
  methods: {
    wheel(e) {
      e.preventDefault();
      const delta = Math.sign(-e.deltaY || 1);
      let value = this.displayedValue;

      do {
        value = value + delta;
        value = (value - this.min + this.count) % this.count + this.min;
      } while (!this.isAllowed(value) && value !== this.displayedValue);

      if (value !== this.displayedValue) {
        this.update(value);
      }
    },

    isInner(value) {
      return this.double && value - this.min >= this.roundCount;
    },

    handScale(value) {
      return this.isInner(value) ? this.innerRadiusScale : 1;
    },

    isAllowed(value) {
      return !this.allowedValues || this.allowedValues(value);
    },

    genValues() {
      const children = [];

      for (let value = this.min; value <= this.max; value = value + this.step) {
        const color = value === this.value && (this.color || 'accent');
        children.push(this.$createElement('span', this.setBackgroundColor(color, {
          staticClass: 'v-time-picker-clock__item',
          class: {
            'v-time-picker-clock__item--active': value === this.displayedValue,
            'v-time-picker-clock__item--disabled': this.disabled || !this.isAllowed(value)
          },
          style: this.getTransform(value),
          domProps: {
            innerHTML: `<span>${this.format(value)}</span>`
          }
        })));
      }

      return children;
    },

    genHand() {
      const scale = `scaleY(${this.handScale(this.displayedValue)})`;
      const angle = this.rotate + this.degreesPerUnit * (this.displayedValue - this.min);
      const color = this.value != null && (this.color || 'accent');
      return this.$createElement('div', this.setBackgroundColor(color, {
        staticClass: 'v-time-picker-clock__hand',
        class: {
          'v-time-picker-clock__hand--inner': this.isInner(this.value)
        },
        style: {
          transform: `rotate(${angle}deg) ${scale}`
        }
      }));
    },

    getTransform(i) {
      const {
        x,
        y
      } = this.getPosition(i);
      return {
        left: `${50 + x * 50}%`,
        top: `${50 + y * 50}%`
      };
    },

    getPosition(value) {
      const rotateRadians = this.rotate * Math.PI / 180;
      return {
        x: Math.sin((value - this.min) * this.degrees + rotateRadians) * this.handScale(value),
        y: -Math.cos((value - this.min) * this.degrees + rotateRadians) * this.handScale(value)
      };
    },

    onMouseDown(e) {
      e.preventDefault();
      this.valueOnMouseDown = null;
      this.valueOnMouseUp = null;
      this.isDragging = true;
      this.onDragMove(e);
    },

    onMouseUp(e) {
      e.stopPropagation();
      this.isDragging = false;

      if (this.valueOnMouseUp !== null && this.isAllowed(this.valueOnMouseUp)) {
        this.$emit('change', this.valueOnMouseUp);
      }
    },

    onDragMove(e) {
      e.preventDefault();
      if (!this.isDragging && e.type !== 'click') return;
      const {
        width,
        top,
        left
      } = this.$refs.clock.getBoundingClientRect();
      const {
        width: innerWidth
      } = this.$refs.innerClock.getBoundingClientRect();
      const {
        clientX,
        clientY
      } = 'touches' in e ? e.touches[0] : e;
      const center = {
        x: width / 2,
        y: -width / 2
      };
      const coords = {
        x: clientX - left,
        y: top - clientY
      };
      const handAngle = Math.round(this.angle(center, coords) - this.rotate + 360) % 360;
      const insideClick = this.double && this.euclidean(center, coords) < (innerWidth + innerWidth * this.innerRadiusScale) / 4;
      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

      let newValue;

      if (handAngle >= 360 - this.degreesPerUnit / 2) {
        newValue = insideClick ? this.max - this.roundCount + 1 : this.min;
      } else {
        newValue = value;
      }

      if (this.isAllowed(value)) {
        if (this.valueOnMouseDown === null) {
          this.valueOnMouseDown = newValue;
        }

        this.valueOnMouseUp = newValue;
        this.update(newValue);
      }
    },

    update(value) {
      if (this.inputValue !== value) {
        this.inputValue = value;
        this.$emit('input', value);
      }
    },

    euclidean(p0, p1) {
      const dx = p1.x - p0.x;
      const dy = p1.y - p0.y;
      return Math.sqrt(dx * dx + dy * dy);
    },

    angle(center, p1) {
      const value = 2 * Math.atan2(p1.y - center.y - this.euclidean(center, p1), p1.x - center.x);
      return Math.abs(value * 180 / Math.PI);
    }

  },

  render(h) {
    const data = {
      staticClass: 'v-time-picker-clock',
      class: {
        'v-time-picker-clock--indeterminate': this.value == null,
        ...this.themeClasses
      },
      on: this.readonly || this.disabled ? undefined : Object.assign({
        mousedown: this.onMouseDown,
        mouseup: this.onMouseUp,
        mouseleave: e => this.isDragging && this.onMouseUp(e),
        touchstart: this.onMouseDown,
        touchend: this.onMouseUp,
        mousemove: this.onDragMove,
        touchmove: this.onDragMove
      }, this.scrollable ? {
        wheel: this.wheel
      } : {}),
      ref: 'clock'
    };
    return h('div', data, [h('div', {
      staticClass: 'v-time-picker-clock__inner',
      ref: 'innerClock'
    }, [this.genHand(), this.genValues()])]);
  }

});
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