Class: RubyCurses::DefaultListSelectionModel

Inherits:
Object
  • Object
show all
Includes:
EventHandler
Defined in:
lib/rbcurse/defaultlistselectionmodel.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from EventHandler

#bind, #fire_handler, #fire_property_change

Constructor Details

#initialize(parent) ⇒ DefaultListSelectionModel 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 15

def initialize parent
  raise ArgumentError "Parent cannot be nil. Please pass List while creating" if parent.nil?
  @parent  = parent

  @selected_indices=[]
  @anchor_selection_index = -1
  @lead_selection_index = -1
  @selection_mode = 'multiple'
  @_events = [:LIST_SELECTION_EVENT]

  #$log.debug " created DefaultListSelectionModel XXX"
end

Instance Attribute Details

#anchor_selection_index ⇒ Object (readonly)

Returns the value of attribute anchor_selection_index.



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 12

def anchor_selection_index
  @anchor_selection_index
end

#lead_selection_index ⇒ Object (readonly)

Returns the value of attribute lead_selection_index.



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 13

def lead_selection_index
  @lead_selection_index
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 14

def parent
  @parent
end

#selection_mode ⇒ Object

Returns the value of attribute selection_mode.



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 11

def selection_mode
  @selection_mode
end

Instance Method Details

#add_selection_interval(ix0, ix1) ⇒ Object

TODO should go in sorted, and no dupes



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 54

def add_selection_interval ix0, ix1
  $log.debug " def add_selection_interval #{ix0}, #{ix1}, mode: #{@selection_mode} "
  if @selection_mode != :multiple
    clear_selection
  end
  @anchor_selection_index = ix0
  @lead_selection_index = ix1
  ix0.upto(ix1) {|i| @selected_indices  << i unless @selected_indices.include? i }
  lse = ListSelectionEvent.new(ix0, ix1, @parent, :INSERT)
  fire_handler :LIST_SELECTION_EVENT, lse
  $log.debug " DLSM firing LIST_SELECTION EVENT #{lse}"
end

#clear_selection ⇒ Object

end



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 32

def clear_selection
  ix0 = @selected_indices.first
  ix1 = @selected_indices.last
  @selected_indices=[]
  return if ix0.nil?
  lse = ListSelectionEvent.new(ix0, ix1, @parent, :DELETE)
  fire_handler :LIST_SELECTION_EVENT, lse
end

#get_max_selection_index ⇒ Object 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 43

def get_max_selection_index
  @selected_indices[-1]
end

#get_min_selection_index ⇒ Object 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 46

def get_min_selection_index
  @selected_indices[0]
end

#get_selected_indices ⇒ Object Also known as: get_selected_rows 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 49

def get_selected_indices
  @selected_indices
end

#insert_index_interval(ix0, len) ⇒ Object 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 73

def insert_index_interval ix0, len
  @anchor_selection_index = ix0
  @lead_selection_index = ix0+len
  add_selection_interval @anchor_selection_index, @lead_selection_index
end

#is_selected_index(ix) ⇒ Object 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 40

def is_selected_index ix
  @selected_indices.include? ix
end

#remove_selection_interval(ix0, ix1) ⇒ Object 



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# File 'lib/rbcurse/defaultlistselectionmodel.rb', line 66

def remove_selection_interval ix0, ix1
  @anchor_selection_index = ix0
  @lead_selection_index = ix1
  @selected_indices.delete_if {|x| x >= ix0 and x <= ix1}
  lse = ListSelectionEvent.new(ix0, ix1, @parent, :DELETE)
  fire_handler :LIST_SELECTION_EVENT, lse
end