Class: MittensUi::TableView

Inherits:
Core
  • Object
show all
Defined in:
lib/mittens_ui/table_view.rb

Instance Attribute Summary

Attributes inherited from Core

#core_widget

Instance Method Summary collapse

Methods inherited from Core

#hidden?, #hide, #remove, #show

Methods included from Helpers

#icon_map, #list_system_icons, #set_margin_from_opts_for

Constructor Details

#initialize(options = {}) ⇒ TableView

Returns a new instance of TableView.



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# File 'lib/mittens_ui/table_view.rb', line 6

def initialize(options={})
  headers = options[:headers] || []
  data    = options[:data]    || []

  unless is_data_valid?(headers, data)
    exit 1
  end

  init_column_headers(headers)
  
  init_list_store
 
  @scrolled_window = Gtk::ScrolledWindow.new
  calc_min_height = (data.size ** 2 ) * 10
  @scrolled_window.min_content_height = calc_min_height

  @tree_view = Gtk::TreeView.new(@list_store)
  @tree_view.selection.set_mode(:single)

  @columns.each { |col| @tree_view.append_column(col) }
  
  init_sortable_columns
  
  init_data_rows(data)
  
  @scrolled_window.add(@tree_view)

  super(@tree_view, options)
end

Instance Method Details

#add(data, direction = :append) ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 36

def add(data, direction=:append)
  return if data.size.zero?
  
  case direction
  when :append
    iter = @list_store.append
  when :prepend
    iter = @list_store.prepend
  else
    iter = @list_store.append
  end
    
  data.each_with_index do |item, idx|
    iter[idx] = item
  end
end

#clear ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 53

def clear
  @list_store.clear
end

#remove_selected ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 69

def remove_selected
  iter = @tree_view.selection.selected

  values = []

  if iter.nil?
    return values
  end
  
  @list_store.n_columns.times do |x| 
    values << @list_store.get_value(iter, x)
  end
  
  @list_store.remove(iter)
  
  return values
end

#render ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 57

def render
  $vertical_box.pack_start(@scrolled_window)
  return self
end

#row_clicked ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 87

def row_clicked
  @tree_view.signal_connect("row-activated") do |tv, path, column|
    row = tv.selection.selected

    values = []

    @list_store.n_columns.times { |x| values << row.get_value(x) if row }
    
    yield(values)
  end
end

#row_count ⇒ Object 



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# File 'lib/mittens_ui/table_view.rb', line 62

def row_count
  count = 0
  @list_store.each { |item| count += 1 }

  return count
end