ecomp-portal-FE/client/bower_components/jqTree/src/select_node_handler.coffee

   1 $ = jQuery
   2
   3
   4 class SelectNodeHandler
   5     constructor: (tree_widget) ->
   6         @tree_widget = tree_widget
   7         @clear()
   8
   9     getSelectedNode: ->
  10         selected_nodes = @getSelectedNodes()
  11
  12         if selected_nodes.length
  13             return selected_nodes[0]
  14         else
  15             return false
  16
  17     getSelectedNodes: ->
  18         if @selected_single_node
  19             return [@selected_single_node]
  20         else
  21             selected_nodes = []
  22
  23             for id of @selected_nodes
  24                 node = @tree_widget.getNodeById(id)
  25                 if node
  26                     selected_nodes.push(node)
  27
  28             return selected_nodes
  29
  30     getSelectedNodesUnder: (parent) ->
  31         if @selected_single_node
  32             if parent.isParentOf(@selected_single_node)
  33                 return [@selected_single_node]
  34             else
  35                 return []
  36         else
  37             selected_nodes = []
  38
  39             for id of @selected_nodes
  40                 node = @tree_widget.getNodeById(id)
  41                 if node and parent.isParentOf(node)
  42                     selected_nodes.push(node)
  43
  44             return selected_nodes
  45
  46     isNodeSelected: (node) ->
  47         if not node
  48             return false
  49         else if node.id
  50             if @selected_nodes[node.id]
  51                 return true
  52             else
  53                 return false
  54         else if @selected_single_node
  55             return @selected_single_node.element == node.element
  56         else
  57             return false
  58
  59     clear: ->
  60         @selected_nodes = {}
  61         @selected_single_node = null
  62
  63     removeFromSelection: (node, include_children=false) ->
  64         if not node.id
  65             if @selected_single_node && node.element == @selected_single_node.element
  66                 @selected_single_node = null
  67         else
  68             delete @selected_nodes[node.id]
  69
  70             if include_children
  71                 node.iterate(
  72                     (n) =>
  73                         delete @selected_nodes[node.id]
  74                         return true
  75                 )
  76
  77     addToSelection: (node) ->
  78         if node.id
  79             @selected_nodes[node.id] = true
  80         else
  81             @selected_single_node = node
  82
  83
  84 module.exports = SelectNodeHandler