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'./VPagination.sass'\n\nimport VIcon from '../VIcon'\n\n// Directives\nimport Resize from '../../directives/resize'\n\n// Mixins\nimport Colorable from '../../mixins/colorable'\nimport Intersectable from '../../mixins/intersectable'\nimport Themeable from '../../mixins/themeable'\n\n// Utilities\nimport mixins from '../../util/mixins'\n\n// Types\nimport { VNode, CreateElement, VNodeChildrenArrayContents } from 'vue'\n\n/* @vue/component */\nexport default mixins(\n  Colorable,\n  Intersectable({ onVisible: ['init'] }),\n  Themeable\n).extend({\n  name: 'v-pagination',\n\n  directives: { Resize },\n\n  props: {\n    circle: Boolean,\n    disabled: Boolean,\n    length: {\n      type: Number,\n      default: 0,\n      validator: (val: number) => val % 1 === 0,\n    },\n    nextIcon: {\n      type: String,\n      default: '$next',\n    },\n    prevIcon: {\n      type: String,\n      default: '$prev',\n    },\n    totalVisible: [Number, String],\n    value: {\n      type: Number,\n      default: 0,\n    },\n    pageAriaLabel: {\n      type: String,\n      default: '$vuetify.pagination.ariaLabel.page',\n    },\n    currentPageAriaLabel: {\n      type: String,\n      default: '$vuetify.pagination.ariaLabel.currentPage',\n    },\n    previousAriaLabel: {\n      type: String,\n      default: '$vuetify.pagination.ariaLabel.previous',\n    },\n    nextAriaLabel: {\n      type: String,\n      default: '$vuetify.pagination.ariaLabel.next',\n    },\n    wrapperAriaLabel: {\n      type: String,\n      default: '$vuetify.pagination.ariaLabel.wrapper',\n    },\n  },\n\n  data () {\n    return {\n      maxButtons: 0,\n      selected: null as number | null,\n    }\n  },\n\n  computed: {\n    classes (): object {\n      return {\n        'v-pagination': true,\n        'v-pagination--circle': this.circle,\n        'v-pagination--disabled': this.disabled,\n        ...this.themeClasses,\n      }\n    },\n\n    items (): (string | number)[] {\n      const totalVisible = parseInt(this.totalVisible, 10)\n\n      if (totalVisible === 0) {\n        return []\n      }\n\n      const maxLength = Math.min(\n        Math.max(0, totalVisible) || this.length,\n        Math.max(0, this.maxButtons) || this.length,\n        this.length\n      )\n\n      if (this.length <= maxLength) {\n        return this.range(1, this.length)\n      }\n\n      const even = maxLength % 2 === 0 ? 1 : 0\n      const left = Math.floor(maxLength / 2)\n      const right = this.length - left + 1 + even\n\n      if (this.value > left && this.value < right) {\n        const start = this.value - left + 2\n        const end = this.value + left - 2 - even\n\n        return [1, '...', ...this.range(start, end), '...', this.length]\n      } else if (this.value === left) {\n        const end = this.value + left - 1 - even\n        return [...this.range(1, end), '...', this.length]\n      } else if (this.value === right) {\n        const start = this.value - left + 1\n        return [1, '...', ...this.range(start, this.length)]\n      } else {\n        return [\n          ...this.range(1, left),\n          '...',\n          ...this.range(right, this.length),\n        ]\n      }\n    },\n  },\n\n  watch: {\n    value () {\n      this.init()\n    },\n  },\n\n  mounted () {\n    this.init()\n  },\n\n  methods: {\n    init () {\n      this.selected = null\n\n      this.$nextTick(this.onResize)\n      // TODO: Change this (f75dee3a, cbdf7caa)\n      setTimeout(() => (this.selected = this.value), 100)\n    },\n    onResize () {\n      const width = this.$el && this.$el.parentElement\n        ? this.$el.parentElement.clientWidth\n        : window.innerWidth\n\n      this.maxButtons = Math.floor((width - 96) / 42)\n    },\n    next (e: Event) {\n      e.preventDefault()\n      this.$emit('input', this.value + 1)\n      this.$emit('next')\n    },\n    previous (e: Event) {\n      e.preventDefault()\n      this.$emit('input', this.value - 1)\n      this.$emit('previous')\n    },\n    range (from: number, to: number) {\n      const range = []\n\n      from = from > 0 ? from : 1\n\n      for (let i = from; i <= to; i++) {\n        range.push(i)\n      }\n\n      return range\n    },\n    genIcon (h: CreateElement, icon: string, disabled: boolean, fn: EventListener, label: String): VNode {\n      return h('li', [\n        h('button', {\n          staticClass: 'v-pagination__navigation',\n          class: {\n            'v-pagination__navigation--disabled': disabled,\n          },\n          attrs: {\n            disabled,\n            type: 'button',\n            'aria-label': label,\n          },\n          on: disabled ? {} : { click: fn },\n        }, [h(VIcon, [icon])]),\n      ])\n    },\n    genItem (h: CreateElement, i: string | number): VNode {\n      const color: string | false = (i === this.value) && (this.color || 'primary')\n      const isCurrentPage = i === this.value\n      const ariaLabel = isCurrentPage ? this.currentPageAriaLabel : this.pageAriaLabel\n\n      return h('button', this.setBackgroundColor(color, {\n        staticClass: 'v-pagination__item',\n        class: {\n          'v-pagination__item--active': i === this.value,\n        },\n        attrs: {\n          type: 'button',\n          'aria-current': isCurrentPage,\n          'aria-label': this.$vuetify.lang.t(ariaLabel, i),\n        },\n        on: {\n          click: () => this.$emit('input', i),\n        },\n      }), [i.toString()])\n    },\n    genItems (h: CreateElement): VNode[] {\n      return this.items.map((i, index) => {\n        return h('li', { key: index }, [\n          isNaN(Number(i)) ? h('span', { class: 'v-pagination__more' }, [i.toString()]) : this.genItem(h, i),\n        ])\n      })\n    },\n    genList (h: CreateElement, children: VNodeChildrenArrayContents): VNode {\n      return h('ul', {\n        directives: [{\n          modifiers: { quiet: true },\n          name: 'resize',\n          value: this.onResize,\n        }],\n        class: this.classes,\n      }, children)\n    },\n  },\n\n  render (h): VNode {\n    const children = [\n      this.genIcon(h,\n        this.$vuetify.rtl ? this.nextIcon : this.prevIcon,\n        this.value <= 1,\n        this.previous,\n        this.$vuetify.lang.t(this.previousAriaLabel)),\n      this.genItems(h),\n      this.genIcon(h,\n        this.$vuetify.rtl ? this.prevIcon : this.nextIcon,\n        this.value >= this.length,\n        this.next,\n        this.$vuetify.lang.t(this.nextAriaLabel)),\n    ]\n\n    return h('nav', {\n      attrs: {\n        role: 'navigation',\n        'aria-label': this.$vuetify.lang.t(this.wrapperAriaLabel),\n      },\n    }, [this.genList(h, children)])\n  },\n})\n"],"sourceRoot":"","file":"VPagination.js"}