kdf/src/components/split/splitpanel.coffee

KD: a non-document focused UI Framework for web applications.

KDScrollView = require './../scrollview/scrollview.coffee'

module.exports = class KDSplitViewPanel extends KDScrollView

  constructor:(options = {}, data)->

    options.fixed  ?= no
    options.view  or= null

    super options, data

    {type} = @getOptions()

    @vertical = type.toLowerCase() is "vertical"

    {@fixed, @size, @index} = @getOptions()

  splitPanel: (options = {}) ->
    if @subViews.first instanceof KDSplitView
      return warn "this panel is already splitted"

    view      = @subViews.first
    index     = @parent.panels.indexOf this
    @subViews = []

    if view
      view.detach()
      view.unsetParent()
      options.views = [view]

    options.colored = yes
    # options.type    = ['vertical','horizontal'][KD.utils.getRandomNumber(2)-1]

    {splitClass} = @parent.getOptions()
    split        = new (splitClass or KDSplitView) options

    @parent.setView split, index

    return split

  _getSize:-> if @vertical then @getWidth() else @getHeight()


  _setSize:(size)->
    if @_wouldResize size
      size = 0 if size < 0
      if @vertical then @setWidth size else @setHeight size
      @parent.sizes[@index] = @size = size
      @parent.emit "PanelDidResize", panel : this
      @emit "PanelDidResize", newSize : size
      size
    else
      no

  _wouldResize:(size)->
    minimum = @parent.minimums[@index] ? 0
    maximum = @parent.maximums[@index] ? 999999

    if maximum >= size >= minimum
    then yes
    else
      if size < minimum
        @parent._panelReachedMinimum @index
      else if size > maximum
        @parent._panelReachedMaximum @index
      no


  _setOffset:(offset)->

    offset = Math.max offset, 0
    if @vertical then @setX offset else @setY offset


  _getOffset:->

    if @vertical
    then parseInt @getElement().style.left, 10
    else parseInt @getElement().style.top, 10