keksAccountGUI/node_modulesOLD/vuetify/lib/components/VCarousel/VCarousel.js

// Styles
import "../../../src/components/VCarousel/VCarousel.sass"; // Extensions

import VWindow from '../VWindow/VWindow'; // Components

import VBtn from '../VBtn';
import VIcon from '../VIcon';
import VProgressLinear from '../VProgressLinear'; // Mixins
// TODO: Move this into core components v2.0

import ButtonGroup from '../../mixins/button-group'; // Utilities

import { convertToUnit } from '../../util/helpers';
import { breaking } from '../../util/console';
export default VWindow.extend({
  name: 'v-carousel',
  props: {
    continuous: {
      type: Boolean,
      default: true
    },
    cycle: Boolean,
    delimiterIcon: {
      type: String,
      default: '$vuetify.icons.delimiter'
    },
    height: {
      type: [Number, String],
      default: 500
    },
    hideDelimiters: Boolean,
    hideDelimiterBackground: Boolean,
    interval: {
      type: [Number, String],
      default: 6000,
      validator: value => value > 0
    },
    mandatory: {
      type: Boolean,
      default: true
    },
    progress: Boolean,
    progressColor: String,
    showArrows: {
      type: Boolean,
      default: true
    },
    verticalDelimiters: {
      type: String,
      default: undefined
    }
  },

  data() {
    return {
      internalHeight: this.height,
      slideTimeout: undefined
    };
  },

  computed: {
    classes() {
      return { ...VWindow.options.computed.classes.call(this),
        'v-carousel': true,
        'v-carousel--hide-delimiter-background': this.hideDelimiterBackground,
        'v-carousel--vertical-delimiters': this.isVertical
      };
    },

    isDark() {
      return this.dark || !this.light;
    },

    isVertical() {
      return this.verticalDelimiters != null;
    }

  },
  watch: {
    internalValue: 'restartTimeout',
    interval: 'restartTimeout',

    height(val, oldVal) {
      if (val === oldVal || !val) return;
      this.internalHeight = val;
    },

    cycle(val) {
      if (val) {
        this.restartTimeout();
      } else {
        clearTimeout(this.slideTimeout);
        this.slideTimeout = undefined;
      }
    }

  },

  created() {
    /* istanbul ignore next */
    if (this.$attrs.hasOwnProperty('hide-controls')) {
      breaking('hide-controls', ':show-arrows="false"', this);
    }
  },

  mounted() {
    this.startTimeout();
  },

  methods: {
    genControlIcons() {
      if (this.isVertical) return null;
      return VWindow.options.methods.genControlIcons.call(this);
    },

    genDelimiters() {
      return this.$createElement('div', {
        staticClass: 'v-carousel__controls',
        style: {
          left: this.verticalDelimiters === 'left' && this.isVertical ? 0 : 'auto',
          right: this.verticalDelimiters === 'right' ? 0 : 'auto'
        }
      }, [this.genItems()]);
    },

    genItems() {
      const length = this.items.length;
      const children = [];

      for (let i = 0; i < length; i++) {
        const child = this.$createElement(VBtn, {
          staticClass: 'v-carousel__controls__item',
          props: {
            icon: true,
            small: true,
            value: this.getValue(this.items[i], i)
          }
        }, [this.$createElement(VIcon, {
          props: {
            size: 18
          }
        }, this.delimiterIcon)]);
        children.push(child);
      }

      return this.$createElement(ButtonGroup, {
        props: {
          value: this.internalValue
        },
        on: {
          change: val => {
            this.internalValue = val;
          }
        }
      }, children);
    },

    genProgress() {
      return this.$createElement(VProgressLinear, {
        staticClass: 'v-carousel__progress',
        props: {
          color: this.progressColor,
          value: (this.internalIndex + 1) / this.items.length * 100
        }
      });
    },

    restartTimeout() {
      this.slideTimeout && clearTimeout(this.slideTimeout);
      this.slideTimeout = undefined;
      window.requestAnimationFrame(this.startTimeout);
    },

    startTimeout() {
      if (!this.cycle) return;
      this.slideTimeout = window.setTimeout(this.next, +this.interval > 0 ? +this.interval : 6000);
    }

  },

  render(h) {
    const render = VWindow.options.render.call(this, h);
    render.data.style = `height: ${convertToUnit(this.height)};`;
    /* istanbul ignore else */

    if (!this.hideDelimiters) {
      render.children.push(this.genDelimiters());
    }
    /* istanbul ignore else */


    if (this.progress || this.progressColor) {
      render.children.push(this.genProgress());
    }

    return render;
  }

});
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