Class: Gtk::ComboBox

Inherits:
Object show all
Defined in:
lib/knj/jruby-gtk2/combobox.rb,
lib/knj/ironruby-gtk2/gtk_combobox.rb,
lib/knj/gtk2_cb.rb

Instance Method Summary collapse

Instance Method Details

#add_attribute(*paras) ⇒ Object 



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# File 'lib/knj/jruby-gtk2/combobox.rb', line 13

def add_attribute(arg1, arg2, arg3)
  #do nothing - this method does not exist on Java GTK's ComboBox.
end

#init(items) ⇒ Object 



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# File 'lib/knj/gtk2_cb.rb', line 12

def init(items)
  @knj = {
    "items" => []
  }
  
  ls = Gtk::ListStore.new(String, String)
  cr = Gtk::CellRendererText.new
  self.pack_start(cr, false)
  self.add_attribute(cr, "text", 0)
  
  if items.is_a?(Array)
    items.each do |appendob|
      iter = ls.append
      
      if appendob.is_a?(String)
        iter[0] = appendob
      elsif appendob.respond_to?("is_knj?")
        iter[0] = appendob.title
        @knj["items"] << {
          "iter" => iter,
          "object" => appendob
        }
      end
    end
  else
    raise "Unsupported type: " + items.class.to_s
  end
  
  self.model = ls
  
  self.active = 0
end

#model ⇒ Object 



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# File 'lib/knj/jruby-gtk2/combobox.rb', line 26

def model
  return @model
end

#model=(newmodel) ⇒ Object 



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# File 'lib/knj/jruby-gtk2/combobox.rb', line 17

def model=(newmodel)
  @model = newmodel
  @ob.model = newmodel.ob
  
  if !@renderer_set
    @renderer.text = self.model.dcol[0]
  end
end

#pack_start(widget, val) ⇒ Object 



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# File 'lib/knj/jruby-gtk2/combobox.rb', line 2

def pack_start(widget, arg1, arg2 = false)
  #widget is useually a Gtk::CellRendererText which is started by this way in Java GTK.
  @renderer = widget
  widget.init(self)
  
  if self.model
    widget.text = self.model.dcol[0]
    @renderer_set = true
  end
end

#sel ⇒ Object 



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# File 'lib/knj/gtk2_cb.rb', line 45

def sel
  iter = self.active_iter
  
  if @knj["items"].length > 0
    @knj["items"].each do |item|
      if item["iter"] == iter
        return item["object"]
      end
    end
    
    return false
  else
    return {
      "active" => self.active,
      "text" => iter[0]
    }
  end
end

#sel=(actob) ⇒ Object 



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# File 'lib/knj/gtk2_cb.rb', line 64

def sel=(actob)
  if actob.respond_to?("is_knj?")
    @knj["items"].each do |item|
      if item["object"].id == actob.id
        self.active_iter = item["iter"]
        return nil
      end
    end
  else
    self.model.each do |model, path, iter|
      text = self.model.get_value(iter, 0)
      
      if text == actob
        self.active_iter = iter
        return nil
      end
    end
  end
  
  raise "Could not find such a row: " + textval
end