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Vue from 'vue'\n\nimport Positionable from './positionable'\n\nimport Stackable from './stackable'\n\n/* eslint-disable object-property-newline */\nconst dimensions = {\n  activator: {\n    top: 0, left: 0,\n    bottom: 0, right: 0,\n    width: 0, height: 0,\n    offsetTop: 0, scrollHeight: 0\n  },\n  content: {\n    top: 0, left: 0,\n    bottom: 0, right: 0,\n    width: 0, height: 0,\n    offsetTop: 0, scrollHeight: 0\n  },\n  hasWindow: false\n}\n/* eslint-enable object-property-newline */\n\n/**\n * Menuable\n *\n * @mixin\n *\n * Used for fixed or absolutely positioning\n * elements within the DOM\n * Can calculate X and Y axis overflows\n * As well as be manually positioned\n */\n/* @vue/component */\nexport default Vue.extend({\n  name: 'menuable',\n\n  mixins: [\n    Positionable,\n    Stackable\n  ],\n\n  props: {\n    activator: {\n      default: null,\n      validator: val => {\n        return ['string', 'object'].includes(typeof val)\n      }\n    },\n    allowOverflow: Boolean,\n    inputActivator: Boolean,\n    light: Boolean,\n    dark: Boolean,\n    maxWidth: {\n      type: [Number, String],\n      default: 'auto'\n    },\n    minWidth: [Number, String],\n    nudgeBottom: {\n      type: [Number, String],\n      default: 0\n    },\n    nudgeLeft: {\n      type: [Number, String],\n      default: 0\n    },\n    nudgeRight: {\n      type: [Number, String],\n      default: 0\n    },\n    nudgeTop: {\n      type: [Number, String],\n      default: 0\n    },\n    nudgeWidth: {\n      type: [Number, String],\n      default: 0\n    },\n    offsetOverflow: Boolean,\n    positionX: {\n      type: Number,\n      default: null\n    },\n    positionY: {\n      type: Number,\n      default: null\n    },\n    zIndex: {\n      type: [Number, String],\n      default: null\n    }\n  },\n\n  data: () => ({\n    absoluteX: 0,\n    absoluteY: 0,\n    activatorFixed: false,\n    dimensions: Object.assign({}, dimensions),\n    isContentActive: false,\n    pageWidth: 0,\n    pageYOffset: 0,\n    stackClass: 'v-menu__content--active',\n    stackMinZIndex: 6\n  }),\n\n  computed: {\n    computedLeft () {\n      const a = this.dimensions.activator\n      const c = this.dimensions.content\n      const activatorLeft = (this.isAttached ? a.offsetLeft : a.left) || 0\n      const minWidth = Math.max(a.width, c.width)\n      let left = 0\n      left += this.left ? activatorLeft - (minWidth - a.width) : activatorLeft\n      if (this.offsetX) {\n        const maxWidth = isNaN(this.maxWidth)\n          ? a.width\n          : Math.min(a.width, this.maxWidth)\n\n        left += this.left ? -maxWidth : a.width\n      }\n      if (this.nudgeLeft) left -= parseInt(this.nudgeLeft)\n      if (this.nudgeRight) left += parseInt(this.nudgeRight)\n\n      return left\n    },\n    computedTop () {\n      const a = this.dimensions.activator\n      const c = this.dimensions.content\n      let top = 0\n\n      if (this.top) top += a.height - c.height\n      if (this.isAttached) top += a.offsetTop\n      else top += a.top + this.pageYOffset\n      if (this.offsetY) top += this.top ? -a.height : a.height\n      if (this.nudgeTop) top -= parseInt(this.nudgeTop)\n      if (this.nudgeBottom) top += parseInt(this.nudgeBottom)\n\n      return top\n    },\n    hasActivator () {\n      return !!this.$slots.activator || !!this.$scopedSlots.activator || this.activator || this.inputActivator\n    },\n    isAttached () {\n      return this.attach !== false\n    }\n  },\n\n  watch: {\n    disabled (val) {\n      val && this.callDeactivate()\n    },\n    isActive (val) {\n      if (this.disabled) return\n\n      val ? this.callActivate() : this.callDeactivate()\n    },\n    positionX: 'updateDimensions',\n    positionY: 'updateDimensions'\n  },\n\n  beforeMount () {\n    this.checkForWindow()\n  },\n\n  methods: {\n    absolutePosition () {\n      return {\n        offsetTop: 0,\n        offsetLeft: 0,\n        scrollHeight: 0,\n        top: this.positionY || this.absoluteY,\n        bottom: this.positionY || this.absoluteY,\n        left: this.positionX || this.absoluteX,\n        right: this.positionX || this.absoluteX,\n        height: 0,\n        width: 0\n      }\n    },\n    activate () {},\n    calcLeft (menuWidth) {\n      return `${this.isAttached\n        ? this.computedLeft\n        : this.calcXOverflow(this.computedLeft, menuWidth)\n      }px`\n    },\n    calcTop () {\n      return `${this.isAttached\n        ? this.computedTop\n        : this.calcYOverflow(this.computedTop)\n      }px`\n    },\n    calcXOverflow (left, menuWidth) {\n      const xOverflow = left + menuWidth - this.pageWidth + 12\n\n      if ((!this.left || this.right) && xOverflow > 0) {\n        left = Math.max(left - xOverflow, 0)\n      } else {\n        left = Math.max(left, 12)\n      }\n\n      return left + this.getOffsetLeft()\n    },\n    calcYOverflow (top) {\n      const documentHeight = this.getInnerHeight()\n      const toTop = this.pageYOffset + documentHeight\n      const activator = this.dimensions.activator\n      const contentHeight = this.dimensions.content.height\n      const totalHeight = top + contentHeight\n      const isOverflowing = toTop < totalHeight\n\n      // If overflowing bottom and offset\n      // TODO: set 'bottom' position instead of 'top'\n      if (isOverflowing &&\n        this.offsetOverflow &&\n        // If we don't have enough room to offset\n        // the overflow, don't offset\n        activator.top > contentHeight\n      ) {\n        top = this.pageYOffset + (activator.top - contentHeight)\n      // If overflowing bottom\n      } else if (isOverflowing && !this.allowOverflow) {\n        top = toTop - contentHeight - 12\n      // If overflowing top\n      } else if (top < this.pageYOffset && !this.allowOverflow) {\n        top = this.pageYOffset + 12\n      }\n\n      return top < 12 ? 12 : top\n    },\n    callActivate () {\n      if (!this.hasWindow) return\n\n      this.activate()\n    },\n    callDeactivate () {\n      this.isContentActive = false\n\n      this.deactivate()\n    },\n    checkForWindow () {\n      if (!this.hasWindow) {\n        this.hasWindow = typeof window !== 'undefined'\n      }\n    },\n    checkForPageYOffset () {\n      if (this.hasWindow) {\n        this.pageYOffset = this.activatorFixed ? 0 : this.getOffsetTop()\n      }\n    },\n    checkActivatorFixed () {\n      if (this.attach !== false) return\n      let el = this.getActivator()\n      while (el) {\n        if (window.getComputedStyle(el).position === 'fixed') {\n          this.activatorFixed = true\n          return\n        }\n        el = el.offsetParent\n      }\n      this.activatorFixed = false\n    },\n    deactivate () {},\n    getActivator (e) {\n      if (this.inputActivator) {\n        return this.$el.querySelector('.v-input__slot')\n      }\n\n      if (this.activator) {\n        return typeof this.activator === 'string'\n          ? document.querySelector(this.activator)\n          : this.activator\n      }\n\n      if (this.$refs.activator) {\n        return this.$refs.activator.children.length > 0\n          ? this.$refs.activator.children[0]\n          : this.$refs.activator\n      }\n\n      if (e) {\n        this.activatedBy = e.currentTarget || e.target\n        return this.activatedBy\n      }\n\n      if (this.activatedBy) return this.activatedBy\n\n      if (this.activatorNode) {\n        const activator = Array.isArray(this.activatorNode) ? this.activatorNode[0] : this.activatorNode\n        const el = activator && activator.elm\n        if (el) return el\n      }\n    },\n    getInnerHeight () {\n      if (!this.hasWindow) return 0\n\n      return window.innerHeight ||\n        document.documentElement.clientHeight\n    },\n    getOffsetLeft () {\n      if (!this.hasWindow) return 0\n\n      return window.pageXOffset ||\n        document.documentElement.scrollLeft\n    },\n    getOffsetTop () {\n      if (!this.hasWindow) return 0\n\n      return window.pageYOffset ||\n        document.documentElement.scrollTop\n    },\n    getRoundedBoundedClientRect (el) {\n      const rect = el.getBoundingClientRect()\n      return {\n        top: Math.round(rect.top),\n        left: Math.round(rect.left),\n        bottom: Math.round(rect.bottom),\n        right: Math.round(rect.right),\n        width: Math.round(rect.width),\n        height: Math.round(rect.height)\n      }\n    },\n    measure (el) {\n      if (!el || !this.hasWindow) return null\n\n      const rect = this.getRoundedBoundedClientRect(el)\n\n      // Account for activator margin\n      if (this.isAttached) {\n        const style = window.getComputedStyle(el)\n\n        rect.left = parseInt(style.marginLeft)\n        rect.top = parseInt(style.marginTop)\n      }\n\n      return rect\n    },\n    sneakPeek (cb) {\n      requestAnimationFrame(() => {\n        const el = this.$refs.content\n\n        if (!el || this.isShown(el)) return cb()\n\n        el.style.display = 'inline-block'\n        cb()\n        el.style.display = 'none'\n      })\n    },\n    startTransition () {\n      return new Promise(resolve => requestAnimationFrame(() => {\n        this.isContentActive = this.hasJustFocused = this.isActive\n        resolve()\n      }))\n    },\n    isShown (el) {\n      return el.style.display !== 'none'\n    },\n    updateDimensions () {\n      this.checkForWindow()\n      this.checkActivatorFixed()\n      this.checkForPageYOffset()\n      this.pageWidth = document.documentElement.clientWidth\n\n      const dimensions = {}\n\n      // Activator should already be shown\n      if (!this.hasActivator || this.absolute) {\n        dimensions.activator = this.absolutePosition()\n      } else {\n        const activator = this.getActivator()\n        dimensions.activator = this.measure(activator)\n        dimensions.activator.offsetLeft = activator.offsetLeft\n        if (this.isAttached) {\n          // account for css padding causing things to not line up\n          // this is mostly for v-autocomplete, hopefully it won't break anything\n          dimensions.activator.offsetTop = activator.offsetTop\n        } else {\n          dimensions.activator.offsetTop = 0\n        }\n      }\n\n      // Display and hide to get dimensions\n      this.sneakPeek(() => {\n        dimensions.content = this.measure(this.$refs.content)\n\n        this.dimensions = dimensions\n      })\n    }\n  }\n})\n"],"sourceRoot":""}