Class: QDA::GUI::DocumentList

Inherits:
Wx::ListBox
  • Object
show all
Includes:
ListLikeItemData, Subscriber
Defined in:
lib/weft/wxgui/controls/document_list.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Subscriber

#notify, #subscribe

Methods included from ListLikeItemData

#data, #delete_item_data, #index, #push_item_data, #unshift_item_data

Methods included from ItemData

#get_item_data, #set_item_data, #value_to_ident

Constructor Details

#initialize(weft_client, *args) ⇒ DocumentList

Returns a new instance of DocumentList.



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# File 'lib/weft/wxgui/controls/document_list.rb', line 7

def initialize(weft_client, *args)
  @client = weft_client
  super(*args)
  evt_left_dclick()  { | event | on_double_click(event) }
  evt_key_down() { | e | on_key_down(e) }
  evt_listbox( self.get_id ) { | e | on_item_selected(e) }
  subscribe(@client, :document_added, :document_deleted, :document_changed)
  
  # evt_context_menu()  { | event | on_context_menu(event) }
  # @menu = Wx::Menu.new()
  # @menu.append(1234, 'Foo')
  # @menu.append(1235, 'Bar')
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/weft/wxgui/controls/document_list.rb', line 5

def client
  @client
end

Instance Method Details

#app ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 21

def app()
  @client.app
end

#append_item(doc) ⇒ Object

add the document to the end of the list.



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# File 'lib/weft/wxgui/controls/document_list.rb', line 25

def append_item(doc)
  push_item_data(doc)
  append(doc.title)
end

#delete_selection ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 48

def delete_selection()
  # Hand back to the client to process, including confirmation checks
  client.on_delete_document()
end

#get_selection_data ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 44

def get_selection_data()
  get_item_data( get_selection )
end

#on_context_menu(e) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 58

def on_context_menu(e)
  popup_menu_xy(@menu, e.get_x, e.get_y)
end

#on_double_click(e) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 62

def on_double_click(e)
  if string_selection.empty?
    @client.import_document()
  else
    @client.on_document_open( selected_document() )
  end
end

#on_item_selected(e) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 53

def on_item_selected(e)
  @client.current_document = selected_document
  e.skip()
end

#on_key_down(evt) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 88

def on_key_down(evt)
  case evt.key_code()
  when 127 # DEL
    delete_selection()
  else
    evt.skip()
  end
end

#receive_document_added(doc) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 84

def receive_document_added(doc)
   append_item(doc)
end

#receive_document_changed(doc) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 80

def receive_document_changed(doc)
  update_item(doc)
end

#receive_document_deleted(doc) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 76

def receive_document_deleted(doc)
  remove_item(doc)
end

#remove_item(item) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 30

def remove_item(item)
  if i = value_to_ident(item)
    data.delete_at(i)
    delete(i)
  end
end

#selected_document ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 70

def selected_document()
  sel = get_selection()
  return nil unless sel and sel != -1
  get_item_data( sel )
end

#update_item(doc) ⇒ Object 



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# File 'lib/weft/wxgui/controls/document_list.rb', line 37

def update_item(doc)
  if i = value_to_ident(doc)
    set_item_data(i, doc)
    set_string( value_to_ident(doc), doc.title )
  end
end