[PORTAL-7] Rebase

[portal.git] / ecomp-portal-FE / client / bower_components / jqTree / src / scroll_handler.coffee

diff --git a/ecomp-portal-FE/client/bower_components/jqTree/src/scroll_handler.coffee b/ecomp-portal-FE/client/bower_components/jqTree/src/scroll_handler.coffee
deleted file mode 100644 (file)
index 3456dec..0000000
--- a/ecomp-portal-FE/client/bower_components/jqTree/src/scroll_handler.coffee
+++ /dev/null
@@ -1,114 +0,0 @@
-$ = jQuery
-
-
-class ScrollHandler
-    constructor: (tree_widget) ->
-        @tree_widget = tree_widget
-        @previous_top = -1
-        @is_initialized = false
-
-    _initScrollParent: ->
-        getParentWithOverflow = =>
-            css_values = ['overflow', 'overflow-y']
-
-            hasOverFlow = (el) ->
-                for css_value in css_values
-                    if $.css(el, css_value) in ['auto', 'scroll']
-                        return true
-
-                return false
-
-            if hasOverFlow(@tree_widget.$el[0])
-                return @tree_widget.$el
-
-            for el in @tree_widget.$el.parents()
-                if hasOverFlow(el)
-                    return $(el)
-
-            return null
-
-        setDocumentAsScrollParent = =>
-            @scroll_parent_top = 0
-            @$scroll_parent = null
-
-        if @tree_widget.$el.css('position') == 'fixed'
-            setDocumentAsScrollParent()
-
-        $scroll_parent = getParentWithOverflow()
-
-        if $scroll_parent and $scroll_parent.length and $scroll_parent[0].tagName != 'HTML'
-            @$scroll_parent = $scroll_parent
-            @scroll_parent_top = @$scroll_parent.offset().top
-        else
-            setDocumentAsScrollParent()
-
-        @is_initialized = true
-
-    _ensureInit: ->
-        if not @is_initialized
-            @_initScrollParent()
-
-    checkScrolling: ->
-        @_ensureInit()
-
-        hovered_area = @tree_widget.dnd_handler.hovered_area
-
-        if hovered_area and hovered_area.top != @previous_top
-            @previous_top = hovered_area.top
-
-            if @$scroll_parent
-                @_handleScrollingWithScrollParent(hovered_area)
-            else
-                @_handleScrollingWithDocument(hovered_area)
-
-    _handleScrollingWithScrollParent: (area) ->
-        distance_bottom = @scroll_parent_top + @$scroll_parent[0].offsetHeight - area.bottom
-
-        if distance_bottom < 20
-            @$scroll_parent[0].scrollTop += 20
-            @tree_widget.refreshHitAreas()
-            @previous_top = -1
-        else if (area.top - @scroll_parent_top) < 20
-            @$scroll_parent[0].scrollTop -= 20
-            @tree_widget.refreshHitAreas()
-            @previous_top = -1
-
-    _handleScrollingWithDocument: (area) ->
-        distance_top = area.top - $(document).scrollTop()
-
-        if distance_top < 20
-            $(document).scrollTop($(document).scrollTop() - 20)
-        else if $(window).height() - (area.bottom - $(document).scrollTop()) < 20
-            $(document).scrollTop($(document).scrollTop() + 20)
-
-    scrollTo: (top) ->
-        @_ensureInit()
-
-        if @$scroll_parent
-            @$scroll_parent[0].scrollTop = top
-        else
-            tree_top = @tree_widget.$el.offset().top
-            $(document).scrollTop(top + tree_top)
-
-    isScrolledIntoView: (element) ->
-        @_ensureInit()
-
-        $element = $(element)
-
-        if @$scroll_parent
-            view_top = 0
-            view_bottom = @$scroll_parent.height()
-
-            element_top = $element.offset().top - @scroll_parent_top
-            element_bottom = element_top + $element.height()
-        else
-            view_top = $(window).scrollTop()
-            view_bottom = view_top + $(window).height()
-
-            element_top = $element.offset().top
-            element_bottom = element_top + $element.height()
-
-        return (element_bottom <= view_bottom) and (element_top >= view_top)
-
-
-module.exports = ScrollHandler