Class: VR::TreeViewColumn

Inherits:
Gtk::TreeViewColumn
  • Object
show all
Defined in:
lib/treeview/columns/TreeViewColumn.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(view, sym) ⇒ TreeViewColumn

Returns a new instance of TreeViewColumn



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 5

def initialize(view, sym) 
    super()
    self.title = sym.to_s.gsub("_", " ").split(' ').map {|w| w.capitalize }.join(' ') # My Title
    @view = view
    self.resizable = true
 #       self.visible = true
end

Instance Method Details

#add_renderer(model_col, sym, type) ⇒ Object 



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 13

def add_renderer(model_col, sym, type)
    r = nil
    a = [model_col, self, @view, sym]
    if type == GdkPixbuf::Pixbuf # ok to use gtk
      r = Gtk::CellRendererPixbuf.new
      self.pack_start( r, false )
      self.add_attribute( r, :pixbuf,  model_col) 
    elsif type == TrueClass
      r = VR::Col::Ren::CellRendererToggle.new(*a)
      self.pack_start( r, false )
      self.add_attribute( r, :active,  model_col)
    elsif type == VR::Col::SpinCol #or type == Gtk::Adjustment 
      r = VR::Col::Ren::CellRendererSpin.new(*a)
      self.pack_start( r, false )
      self.add_attribute( r, :adjustment,  model_col)
      self.set_cell_data_func(r) do |col, rend, model, iter|
        fmt = "%.#{rend.digits}f"
        rend.text = fmt % iter[rend.model_col].value.to_s     
      end  
    elsif type == VR::Col::ComboCol 
      r = VR::Col::Ren::CellRendererCombo.new(*a)
      self.pack_start( r, false )
      self.set_cell_data_func(r) do |col, rend, model, iter|
        iter = model.get_iter(iter.path)
    #    display_val = iter[rend.model_col].selected.to_s 
        display_val = iter[@view.id(sym)].selected.to_s 
        rend.text = display_val #= iter[ren.model_col].selected.to_s
      end 
    elsif type == VR::Col::ProgressCol 
      r = Gtk::CellRendererProgress.new()
      self.pack_start( r, false )
      self.add_attribute( r, :value,  model_col)
    elsif type == DateTime 
      r = VR::Col::Ren::CellRendererDate.new(*a)
      self.pack_start( r, false )
      self.set_cell_data_func(r) do |col, ren, model, iter|
        ren.text = iter[ren.model_col].strftime(ren.date_format).to_s
      end
    elsif type == String or type == Float or type == Integer   
      r = VR::Col::Ren::CellRendererText.new(*a)
      self.pack_start( r, false )
      self.add_attribute( r, :text,  model_col)
    else #user defined object
      r = VR::Col::Ren::CellRendererObject.new(*a)
      self.pack_start( r, false )
      self.set_cell_data_func(r) do |col, ren, model, iter|
        obj = iter[@view.id(ren.model_sym)]
        obj.each_cell(col, ren, model, iter)
      end
    end
  return r
end

#col_symbol ⇒ Object 



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 84

def col_symbol
  @view.vr_cols.key(self)
end

#id ⇒ Object 



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 80

def id
  @view.id(col_symbol)
end

#sort_on(sym) ⇒ Object 



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 71

def sort_on(sym)
  self.sort_column_id = id(sym)
  self.clickable = id(sym).to_b
end

#sortable=(bool) ⇒ Object 



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 76

def sortable=(bool)
  self.sort_column_id = bool ? @view.id(@view.vr_cols.key(self)) : -1
end

#width=(w) ⇒ Object

pixels



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# File 'lib/treeview/columns/TreeViewColumn.rb', line 66

def width=(w) #pixels
  self.sizing = :fixed
  self.fixed_width = w
end