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authorMichael Lando <ml636r@att.com>2017-06-09 03:19:04 +0300
committerMichael Lando <ml636r@att.com>2017-06-09 03:19:04 +0300
commited64b5edff15e702493df21aa3230b81593e6133 (patch)
treea4cb01fdaccc34930a8db403a3097c0d1e40914b /catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee
parent280f8015d06af1f41a3ef12e8300801c7a5e0d54 (diff)
[SDC-29] catalog 1707 rebase commit.
Change-Id: I43c3dc5cf44abf5da817649bc738938a3e8388c1 Signed-off-by: Michael Lando <ml636r@att.com>
Diffstat (limited to 'catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee')
-rw-r--r--catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee209
1 files changed, 0 insertions, 209 deletions
diff --git a/catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee b/catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee
deleted file mode 100644
index cf2f90fc19..0000000000
--- a/catalog-ui/app/third-party/ng-infinite-scroll/src/infinite-scroll.coffee
+++ /dev/null
@@ -1,209 +0,0 @@
-angular.module('infinite-scroll', [])
- .value('THROTTLE_MILLISECONDS', null)
- .directive 'infiniteScroll', [
- '$rootScope', '$window', '$interval', 'THROTTLE_MILLISECONDS',
-($rootScope, $window, $interval, THROTTLE_MILLISECONDS) ->
- scope:
- infiniteScroll: '&'
- infiniteScrollContainer: '='
- infiniteScrollDistance: '='
- infiniteScrollDisabled: '='
- infiniteScrollUseDocumentBottom: '=',
- infiniteScrollListenForEvent: '@'
-
- link: (scope, elem, attrs) ->
- windowElement = angular.element($window)
-
- scrollDistance = null
- scrollEnabled = null
- checkWhenEnabled = null
- container = null
- immediateCheck = true
- useDocumentBottom = false
- unregisterEventListener = null
- checkInterval = false
-
- height = (elem) ->
- elem = elem[0] or elem
-
- if isNaN(elem.offsetHeight) then elem.document.documentElement.clientHeight else elem.offsetHeight
-
- offsetTop = (elem) ->
- if not elem[0].getBoundingClientRect or elem.css('none')
- return
-
- elem[0].getBoundingClientRect().top + pageYOffset(elem)
-
- pageYOffset = (elem) ->
- elem = elem[0] or elem
-
- if isNaN(window.pageYOffset) then elem.document.documentElement.scrollTop else elem.ownerDocument.defaultView.pageYOffset
-
- # infinite-scroll specifies a function to call when the window,
- # or some other container specified by infinite-scroll-container,
- # is scrolled within a certain range from the bottom of the
- # document. It is recommended to use infinite-scroll-disabled
- # with a boolean that is set to true when the function is
- # called in order to throttle the function call.
- handler = ->
- if container == windowElement
- containerBottom = height(container) + pageYOffset(container[0].document.documentElement)
- elementBottom = offsetTop(elem) + height(elem)
- else
- containerBottom = height(container)
- containerTopOffset = 0
- if offsetTop(container) != undefined
- containerTopOffset = offsetTop(container)
- elementBottom = offsetTop(elem) - containerTopOffset + height(elem)
-
- if(useDocumentBottom)
- elementBottom = height((elem[0].ownerDocument || elem[0].document).documentElement)
-
- remaining = elementBottom - containerBottom
- shouldScroll = remaining <= height(container) * scrollDistance + 1
-
- if shouldScroll
- checkWhenEnabled = true
-
- if scrollEnabled
- if scope.$$phase || $rootScope.$$phase
- scope.infiniteScroll()
- else
- scope.$apply(scope.infiniteScroll)
- else
- if checkInterval then $interval.cancel checkInterval
- checkWhenEnabled = false
-
- # The optional THROTTLE_MILLISECONDS configuration value specifies
- # a minimum time that should elapse between each call to the
- # handler. N.b. the first call the handler will be run
- # immediately, and the final call will always result in the
- # handler being called after the `wait` period elapses.
- # A slimmed down version of underscore's implementation.
- throttle = (func, wait) ->
- timeout = null
- previous = 0
- later = ->
- previous = new Date().getTime()
- $interval.cancel(timeout)
- timeout = null
- func.call()
-
- return ->
- now = new Date().getTime()
- remaining = wait - (now - previous)
- if remaining <= 0
- $interval.cancel(timeout)
- timeout = null
- previous = now
- func.call()
- else timeout = $interval(later, remaining, 1) unless timeout
-
- if THROTTLE_MILLISECONDS?
- handler = throttle(handler, THROTTLE_MILLISECONDS)
-
- scope.$on '$destroy', ->
- container.unbind 'scroll', handler
- if unregisterEventListener?
- unregisterEventListener()
- unregisterEventListener = null
- if checkInterval
- $interval.cancel checkInterval
-
- # infinite-scroll-distance specifies how close to the bottom of the page
- # the window is allowed to be before we trigger a new scroll. The value
- # provided is multiplied by the container height; for example, to load
- # more when the bottom of the page is less than 3 container heights away,
- # specify a value of 3. Defaults to 0.
- handleInfiniteScrollDistance = (v) ->
- scrollDistance = parseFloat(v) or 0
-
- scope.$watch 'infiniteScrollDistance', handleInfiniteScrollDistance
- # If I don't explicitly call the handler here, tests fail. Don't know why yet.
- handleInfiniteScrollDistance scope.infiniteScrollDistance
-
- # infinite-scroll-disabled specifies a boolean that will keep the
- # infnite scroll function from being called; this is useful for
- # debouncing or throttling the function call. If an infinite
- # scroll is triggered but this value evaluates to true, then
- # once it switches back to false the infinite scroll function
- # will be triggered again.
- handleInfiniteScrollDisabled = (v) ->
- scrollEnabled = !v
- if scrollEnabled && checkWhenEnabled
- checkWhenEnabled = false
- handler()
-
- scope.$watch 'infiniteScrollDisabled', handleInfiniteScrollDisabled
- # If I don't explicitly call the handler here, tests fail. Don't know why yet.
- handleInfiniteScrollDisabled scope.infiniteScrollDisabled
-
- # use the bottom of the document instead of the element's bottom.
- # This useful when the element does not have a height due to its
- # children being absolute positioned.
- handleInfiniteScrollUseDocumentBottom = (v) ->
- useDocumentBottom = v
-
- scope.$watch 'infiniteScrollUseDocumentBottom', handleInfiniteScrollUseDocumentBottom
- handleInfiniteScrollUseDocumentBottom scope.infiniteScrollUseDocumentBottom
-
- # infinite-scroll-container sets the container which we want to be
- # infinte scrolled, instead of the whole window. Must be an
- # Angular or jQuery element, or, if jQuery is loaded,
- # a jQuery selector as a string.
- changeContainer = (newContainer) ->
- if container?
- container.unbind 'scroll', handler
-
- container = newContainer
- if newContainer?
- container.bind 'scroll', handler
-
- changeContainer windowElement
-
- if scope.infiniteScrollListenForEvent
- unregisterEventListener = $rootScope.$on scope.infiniteScrollListenForEvent, handler
-
- handleInfiniteScrollContainer = (newContainer) ->
- # TODO: For some reason newContainer is sometimes null instead
- # of the empty array, which Angular is supposed to pass when the
- # element is not defined
- # (https://github.com/sroze/ngInfiniteScroll/pull/7#commitcomment-5748431).
- # So I leave both checks.
- if (not newContainer?) or newContainer.length == 0
- return
-
- if newContainer.nodeType && newContainer.nodeType == 1
- newContainer = angular.element newContainer
- else if typeof newContainer.append == 'function'
- newContainer = angular.element newContainer[newContainer.length - 1]
- else if typeof newContainer == 'string'
- newContainer = angular.element document.querySelector newContainer
-
- if newContainer?
- changeContainer newContainer
- else
- throw new Error("invalid infinite-scroll-container attribute.")
-
- scope.$watch 'infiniteScrollContainer', handleInfiniteScrollContainer
- handleInfiniteScrollContainer(scope.infiniteScrollContainer or [])
-
- # infinite-scroll-parent establishes this element's parent as the
- # container infinitely scrolled instead of the whole window.
- if attrs.infiniteScrollParent?
- changeContainer angular.element elem.parent()
-
- # infinte-scoll-immediate-check sets whether or not run the
- # expression passed on infinite-scroll for the first time when the
- # directive first loads, before any actual scroll.
- if attrs.infiniteScrollImmediateCheck?
- immediateCheck = scope.$eval(attrs.infiniteScrollImmediateCheck)
-
- checkInterval = $interval (->
- if immediateCheck
- handler()
- $interval.cancel checkInterval
- )
-]
-if typeof module != "undefined" && typeof exports != "undefined" && module.exports == exports
- module.exports = 'infinite-scroll'