Merge pull request #116 from twbs/fat-es6Alert

es6 - wip

1 files changed, 527 insertions, 0 deletions

diff --git a/js/src/modal.js b/js/src/modal.js
new file mode 100644
index 000000000..2ca603b23
--- /dev/null
+++ b/js/src/modal.js
@@ -0,0 +1,527 @@
+import Util from './util'
+
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0): modal.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const Modal = (($) => {
+
+
+  /**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+
+  const NAME                         = 'modal'
+  const VERSION                      = '4.0.0'
+  const DATA_KEY                     = 'bs.modal'
+  const EVENT_KEY                    = `.${DATA_KEY}`
+  const DATA_API_KEY                 = '.data-api'
+  const JQUERY_NO_CONFLICT           = $.fn[NAME]
+  const TRANSITION_DURATION          = 300
+  const BACKDROP_TRANSITION_DURATION = 150
+
+  const Default = {
+    backdrop : true,
+    keyboard : true,
+    focus    : true,
+    show     : true
+  }
+
+  const DefaultType = {
+    backdrop : '(boolean|string)',
+    keyboard : 'boolean',
+    focus    : 'boolean',
+    show     : 'boolean'
+  }
+
+  const Event = {
+    HIDE              : `hide${EVENT_KEY}`,
+    HIDDEN            : `hidden${EVENT_KEY}`,
+    SHOW              : `show${EVENT_KEY}`,
+    SHOWN             : `shown${EVENT_KEY}`,
+    FOCUSIN           : `focusin${EVENT_KEY}`,
+    RESIZE            : `resize${EVENT_KEY}`,
+    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,
+    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,
+    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,
+    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,
+    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`
+  }
+
+  const ClassName = {
+    BACKDROP : 'modal-backdrop',
+    OPEN     : 'modal-open',
+    FADE     : 'fade',
+    IN       : 'in'
+  }
+
+  const Selector = {
+    DIALOG             : '.modal-dialog',
+    DATA_TOGGLE        : '[data-toggle="modal"]',
+    DATA_DISMISS       : '[data-dismiss="modal"]',
+    SCROLLBAR_MEASURER : 'modal-scrollbar-measure'
+  }
+
+
+  /**
+   * ------------------------------------------------------------------------
+   * Class Definition
+   * ------------------------------------------------------------------------
+   */
+
+  class Modal {
+
+    constructor(element, config) {
+      this._config              = this._getConfig(config)
+      this._element             = element
+      this._dialog              = $(element).find(Selector.DIALOG)[0]
+      this._backdrop            = null
+      this._isShown             = false
+      this._isBodyOverflowing   = false
+      this._ignoreBackdropClick = false
+      this._originalBodyPadding = 0
+      this._scrollbarWidth      = 0
+    }
+
+
+    // getters
+
+    static get VERSION() {
+      return VERSION
+    }
+
+    static get Default() {
+      return Default
+    }
+
+
+    // public
+
+    toggle(relatedTarget) {
+      return this._isShown ? this.hide() : this.show(relatedTarget)
+    }
+
+    show(relatedTarget) {
+      let showEvent = $.Event(Event.SHOW, {
+        relatedTarget: relatedTarget
+      })
+
+      $(this._element).trigger(showEvent)
+
+      if (this._isShown || showEvent.isDefaultPrevented()) {
+        return
+      }
+
+      this._isShown = true
+
+      this._checkScrollbar()
+      this._setScrollbar()
+
+      $(document.body).addClass(ClassName.OPEN)
+
+      this._setEscapeEvent()
+      this._setResizeEvent()
+
+      $(this._element).on(
+        Event.CLICK_DISMISS,
+        Selector.DATA_DISMISS,
+        $.proxy(this.hide, this)
+      )
+
+      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {
+        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {
+          if ($(event.target).is(this._element)) {
+            that._ignoreBackdropClick = true
+          }
+        })
+      })
+
+      this._showBackdrop(
+        $.proxy(this._showElement, this, relatedTarget)
+      )
+    }
+
+    hide(event) {
+      if (event) {
+        event.preventDefault()
+      }
+
+      let hideEvent = $.Event(Event.HIDE)
+
+      $(this._element).trigger(hideEvent)
+
+      if (!this._isShown || hideEvent.isDefaultPrevented()) {
+        return
+      }
+
+      this._isShown = false
+
+      this._setEscapeEvent()
+      this._setResizeEvent()
+
+      $(document).off(Event.FOCUSIN)
+
+      $(this._element).removeClass(ClassName.IN)
+
+      $(this._element).off(Event.CLICK_DISMISS)
+      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)
+
+      if (Util.supportsTransitionEnd() &&
+         ($(this._element).hasClass(ClassName.FADE))) {
+
+        $(this._element)
+          .one(Util.TRANSITION_END, $.proxy(this._hideModal, this))
+          .emulateTransitionEnd(TRANSITION_DURATION)
+      } else {
+        this._hideModal()
+      }
+    }
+
+    dispose() {
+      $.removeData(this._element, DATA_KEY)
+
+      $(window).off(EVENT_KEY)
+      $(document).off(EVENT_KEY)
+      $(this._element).off(EVENT_KEY)
+      $(this._backdrop).off(EVENT_KEY)
+
+      this._config              = null
+      this._element             = null
+      this._dialog              = null
+      this._backdrop            = null
+      this._isShown             = null
+      this._isBodyOverflowing   = null
+      this._ignoreBackdropClick = null
+      this._originalBodyPadding = null
+      this._scrollbarWidth      = null
+    }
+
+
+    // private
+
+    _getConfig(config) {
+      config = $.extend({}, Default, config)
+      Util.typeCheckConfig(NAME, config, DefaultType)
+      return config
+    }
+
+    _showElement(relatedTarget) {
+      let transition = Util.supportsTransitionEnd() &&
+        $(this._element).hasClass(ClassName.FADE)
+
+      if (!this._element.parentNode ||
+         (this._element.parentNode.nodeType !== Node.ELEMENT_NODE)) {
+        // don't move modals dom position
+        document.body.appendChild(this._element)
+      }
+
+      this._element.style.display = 'block'
+      this._element.scrollTop = 0
+
+      if (transition) {
+        Util.reflow(this._element)
+      }
+
+      $(this._element).addClass(ClassName.IN)
+
+      if (this._config.focus) this._enforceFocus()
+
+      let shownEvent = $.Event(Event.SHOWN, {
+        relatedTarget: relatedTarget
+      })
+
+      let transitionComplete = () => {
+        if (this._config.focus) this._element.focus()
+        $(this._element).trigger(shownEvent)
+      }
+
+      if (transition) {
+        $(this._dialog)
+          .one(Util.TRANSITION_END, transitionComplete)
+          .emulateTransitionEnd(TRANSITION_DURATION)
+      } else {
+        transitionComplete()
+      }
+    }
+
+    _enforceFocus() {
+      $(document)
+        .off(Event.FOCUSIN) // guard against infinite focus loop
+        .on(Event.FOCUSIN, (event) => {
+          if (this._element !== event.target &&
+             (!$(this._element).has(event.target).length)) {
+            this._element.focus()
+          }
+        })
+    }
+
+    _setEscapeEvent() {
+      if (this._isShown && this._config.keyboard) {
+        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
+          if (event.which === 27) {
+            this.hide()
+          }
+        })
+
+      } else if (!this._isShown) {
+        $(this._element).off(Event.KEYDOWN_DISMISS)
+      }
+    }
+
+    _setResizeEvent() {
+      if (this._isShown) {
+        $(window).on(Event.RESIZE, $.proxy(this._handleUpdate, this))
+      } else {
+        $(window).off(Event.RESIZE)
+      }
+    }
+
+    _hideModal() {
+      this._element.style.display = 'none'
+      this._showBackdrop(() => {
+        $(document.body).removeClass(ClassName.OPEN)
+        this._resetAdjustments()
+        this._resetScrollbar()
+        $(this._element).trigger(Event.HIDDEN)
+      })
+    }
+
+    _removeBackdrop() {
+      if (this._backdrop) {
+        $(this._backdrop).remove()
+        this._backdrop = null
+      }
+    }
+
+    _showBackdrop(callback) {
+      let animate = $(this._element).hasClass(ClassName.FADE) ?
+        ClassName.FADE : ''
+
+      if (this._isShown && this._config.backdrop) {
+        let doAnimate = Util.supportsTransitionEnd() && animate
+
+        this._backdrop = document.createElement('div')
+        this._backdrop.className = ClassName.BACKDROP
+
+        if (animate) {
+          $(this._backdrop).addClass(animate)
+        }
+
+        $(this._backdrop).appendTo(this.$body)
+
+        $(this._element).on(Event.CLICK_DISMISS, (event) => {
+          if (this._ignoreBackdropClick) {
+            this._ignoreBackdropClick = false
+            return
+          }
+          if (event.target !== event.currentTarget) {
+            return
+          }
+          if (this._config.backdrop === 'static') {
+            this._element.focus()
+          } else {
+            this.hide()
+          }
+        })
+
+        if (doAnimate) {
+          Util.reflow(this._backdrop)
+        }
+
+        $(this._backdrop).addClass(ClassName.IN)
+
+        if (!callback) {
+          return
+        }
+
+        if (!doAnimate) {
+          callback()
+          return
+        }
+
+        $(this._backdrop)
+          .one(Util.TRANSITION_END, callback)
+          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)
+
+      } else if (!this._isShown && this._backdrop) {
+        $(this._backdrop).removeClass(ClassName.IN)
+
+        let callbackRemove = () => {
+          this._removeBackdrop()
+          if (callback) {
+            callback()
+          }
+        }
+
+        if (Util.supportsTransitionEnd() &&
+           ($(this._element).hasClass(ClassName.FADE))) {
+          $(this._backdrop)
+            .one(Util.TRANSITION_END, callbackRemove)
+            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)
+        } else {
+          callbackRemove()
+        }
+
+      } else if (callback) {
+        callback()
+      }
+    }
+
+
+    // ----------------------------------------------------------------------
+    // the following methods are used to handle overflowing modals
+    // todo (fat): these should probably be refactored out of modal.js
+    // ----------------------------------------------------------------------
+
+    _handleUpdate() {
+      this._adjustDialog()
+    }
+
+    _adjustDialog() {
+      let isModalOverflowing =
+        this._element.scrollHeight > document.documentElement.clientHeight
+
+      if (!this._isBodyOverflowing && isModalOverflowing) {
+        this._element.style.paddingLeft = this._scrollbarWidth + 'px'
+      }
+
+      if (this._isBodyOverflowing && !isModalOverflowing) {
+        this._element.style.paddingRight = this._scrollbarWidth + 'px'
+      }
+    }
+
+    _resetAdjustments() {
+      this._element.style.paddingLeft = ''
+      this._element.style.paddingRight = ''
+    }
+
+    _checkScrollbar() {
+      let fullWindowWidth = window.innerWidth
+      if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
+        let documentElementRect = document.documentElement.getBoundingClientRect()
+        fullWindowWidth =
+          documentElementRect.right - Math.abs(documentElementRect.left)
+      }
+      this._isBodyOverflowing = document.body.clientWidth < fullWindowWidth
+      this._scrollbarWidth = this._getScrollbarWidth()
+    }
+
+    _setScrollbar() {
+      let bodyPadding = parseInt(
+        $(document.body).css('padding-right') || 0,
+        10
+      )
+
+      this._originalBodyPadding = document.body.style.paddingRight || ''
+
+      if (this._isBodyOverflowing) {
+        document.body.style.paddingRight =
+          bodyPadding + this._scrollbarWidth + 'px'
+      }
+    }
+
+    _resetScrollbar() {
+      document.body.style.paddingRight = this._originalBodyPadding
+    }
+
+    _getScrollbarWidth() { // thx d.walsh
+      let scrollDiv = document.createElement('div')
+      scrollDiv.className = Selector.SCROLLBAR_MEASURER
+      document.body.appendChild(scrollDiv)
+      let scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
+      document.body.removeChild(scrollDiv)
+      return scrollbarWidth
+    }
+
+
+    // static
+
+    static _jQueryInterface(config, relatedTarget) {
+      return this.each(function () {
+        let data    = $(this).data(DATA_KEY)
+        let _config = $.extend(
+          {},
+          Modal.Default,
+          $(this).data(),
+          typeof config === 'object' && config
+        )
+
+        if (!data) {
+          data = new Modal(this, _config)
+          $(this).data(DATA_KEY, data)
+        }
+
+        if (typeof config === 'string') {
+          data[config](relatedTarget)
+
+        } else if (_config.show) {
+          data.show(relatedTarget)
+        }
+      })
+    }
+
+  }
+
+
+  /**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+
+  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+    let target
+    let selector = Util.getSelectorFromElement(this)
+
+    if (selector) {
+      target = $(selector)[0]
+    }
+
+    let config = $(target).data(DATA_KEY) ?
+      'toggle' : $.extend({}, $(target).data(), $(this).data())
+
+    if (this.tagName === 'A') {
+      event.preventDefault()
+    }
+
+    let $target = $(target).one(Event.SHOW, (showEvent) => {
+      if (showEvent.isDefaultPrevented()) {
+        // only register focus restorer if modal will actually get shown
+        return
+      }
+
+      $target.one(Event.HIDDEN, () => {
+        if ($(this).is(':visible')) {
+          this.focus()
+        }
+      })
+    })
+
+    Modal._jQueryInterface.call($(target), config, this)
+  })
+
+
+  /**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+
+  $.fn[NAME]             = Modal._jQueryInterface
+  $.fn[NAME].Constructor = Modal
+  $.fn[NAME].noConflict  = function () {
+    $.fn[NAME] = JQUERY_NO_CONFLICT
+    return Modal._jQueryInterface
+  }
+
+  return Modal
+
+})(jQuery)
+
+export default Modal