Class: RubyMVC::Toolkit::WxRuby::GridView

Inherits:
Wx::Grid
  • Object
show all
Includes:
SignalHandler, Common
Defined in:
lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb

Instance Method Summary collapse

Methods included from Common

#title, #title=

Methods included from SignalHandler

#signal_connect, #signal_disconnect, #signal_emit

Constructor Details

#initialize(options = {}) ⇒ GridView

Returns a new instance of GridView.



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# File 'lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb', line 34

def initialize(options = {})
#          puts "options: #{options.inspect}"
  super(WxRuby.parent(options), options[:id] || -1)
  if false == options[:show_row_labels]
    set_row_label_size(0)
  end
  @selected_rows = []

  evt_grid_cmd_cell_left_dclick(self.get_id()) do |e|
    if @gm
      col = @gm.get_key(e.get_col)
    else
      col = e.get_col
    end
    signal_emit("row-activated", self, @model, e.get_row, col)
  end

  evt_grid_range_select do |e|
#            puts "Event alt: #{e.alt_down}; ctrl: #{e.control_down}; brc: #{e.get_bottom_right_coords}; bottom: #{e.get_bottom_row}; left: #{e.get_left_col}; right: #{e.get_right_col}; tlc: #{e.get_top_left_coords}; top: #{e.get_top_row}; meta: #{e.meta_down}; selecting: #{e.selecting}; shift: #{e.shift_down}" if !e.selecting
    next if !e.selecting

    # FIXME: this should be a bit more clever in the
    # future, but right now, we're only dealing with
    # row selection
#            puts "Event alt: #{e.alt_down}; ctrl: #{e.control_down}; brc: #{e.get_bottom_right_coords}; bottom: #{e.get_bottom_row}; left: #{e.get_left_col}; right: #{e.get_right_col}; tlc: #{e.get_top_left_coords}; top: #{e.get_top_row}; meta: #{e.meta_down}; selecting: #{e.selecting}; shift: #{e.shift_down}"
    top = e.get_top_row
    bottom = e.get_bottom_row
    if e.meta_down || e.shift_down
      # extending the selection
      sel = @selected_rows.clone
    else
      # reset the selection
      sel = []
    end
    top.upto(bottom) do |i|
      sel << i
    end
    @selected_rows = sel
    signal_emit("row-selection-changed", self, @model, sel)
  end
end

Instance Method Details

#editable=(val) ⇒ Object 



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# File 'lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb', line 113

def editable=(val)
  enable_editing(val)
end

#model=(model) ⇒ Object 



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# File 'lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb', line 76

def model=(model)
  @model = model
  @gm = GridModel.new(model)
  set_table(@gm, Wx::Grid::GridSelectRows)

  # FIXME: this is a bit cheezy and there should be a
  # better way to communicate between the grid table
  # and the view than this...  Apparently, the wxRuby
  # implementation doesn't expose the message
  # dispatching required between GridTableBase and the
  # Grid displaying it.  Kinda defeats the point...

  @model.signal_connect("rows-inserted") do |s, i, r|
#            puts "refresh rows-inserted"
    @gm = GridModel.new(model)
    set_table(@gm, Wx::Grid::GridSelectRows, false)
  end
  @model.signal_connect("rows-removed") do |s, i, r|
#            puts "refresh rows-removed"
    @gm = GridModel.new(model)
    selected_rows.delete(i)
    set_table(@gm, Wx::Grid::GridSelectRows, false)
  end
  @model.signal_connect("row-changed") do |s, i, r|
#            puts "refresh row-changed"
    @gm = GridModel.new(model)
    set_table(@gm, Wx::Grid::GridSelectRows, false)
  end
end

#selected_rows ⇒ Object 



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# File 'lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb', line 117

def selected_rows
  # FIXME: I shouldn't have to maintain this list...
  @selected_rows
end

#set_table(table, flags, clear_selection = true) ⇒ Object 



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# File 'lib/ruby_mvc/toolkit/peers/wxruby/grid_view.rb', line 106

def set_table(table, flags, clear_selection = true)
  super(table, flags)
  @selected_rows.clear if clear_selection
  auto_size_columns(false)
  signal_emit("row-selection-changed", self, @model, @selected_rows)
end