Class: Redcar::ApplicationSWT::Speedbar

Inherits:
Object
  • Object
show all
Includes:
ReentryHelpers
Defined in:
plugins/application_swt/lib/application_swt/speedbar.rb,
plugins/application_swt/lib/application_swt/speedbar/combo_item.rb,
plugins/application_swt/lib/application_swt/speedbar/label_item.rb,
plugins/application_swt/lib/application_swt/speedbar/toggle_item.rb,
plugins/application_swt/lib/application_swt/speedbar/slider_item.rb,
plugins/application_swt/lib/application_swt/speedbar/button_item.rb,
plugins/application_swt/lib/application_swt/speedbar/text_box_item.rb

Defined Under Namespace

Classes: ButtonItem, ComboItem, KeyListener, LabelItem, MouseListener, SliderItem, TextBoxItem, ToggleItem

Instance Attribute Summary (collapse)

Instance Method Summary (collapse)

Methods included from ReentryHelpers

#ignore, #ignore_changes

Constructor Details

- (Speedbar) initialize(window, parent, model)

A new instance of Speedbar



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 15

def initialize(window, parent, model)
  @window_model = window
  @parent = parent
  @model = model
  create_widgets
  attach_key_listeners
  disable_menu_items
  if widget = focussable_widgets.first
    widget.set_focus
  end
  @handlers = Hash.new {|h,k| h[k] = []}
  @parent.layout
  @model.after_draw if @model.respond_to?(:after_draw)
end

Instance Attribute Details

- (Object) widget (readonly)

Returns the value of attribute widget



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 13

def widget
  @widget
end

Instance Method Details

- (Object) attach_key_listeners 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 131

def attach_key_listeners
  keyable_widgets.each do |widget|
    widget.add_key_listener(KeyListener.new(self))
  end
end

- (Object) close 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 30

def close
  @composite.dispose
  @parent.layout
end

- (Object) close_pressed 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 137

def close_pressed
  @window_model.close_speedbar
end

- (Object) create_bar_widget 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 69

def create_bar_widget
  @composite = Swt::Widgets::Composite.new(@parent, Swt::SWT::NONE)
  grid_data = Swt::Layout::GridData.new
  grid_data.grabExcessHorizontalSpace = true
  grid_data.horizontalAlignment = Swt::Layout::GridData::FILL
  @composite.setLayoutData(grid_data)
  layout = Swt::Layout::GridLayout.new(num_columns + 1, false)
  layout.verticalSpacing = 0
  layout.marginHeight = 0
  layout.marginTop = 5
  @composite.setLayout(layout)
  image = Swt::Graphics::Image.new(ApplicationSWT.display, Redcar::Speedbar.close_image_path)
  label = Swt::Widgets::Label.new(@composite, 0)
  label.set_image(image)

  label.add_mouse_listener(MouseListener.new(self))
end

- (Object) create_item_widgets 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 97

def create_item_widgets
  @model.__items.each do |item|
    swt_klass = self.class.const_get(item.class.to_s.split("::").last)
    swt_klass.new(self, @composite, item)
  end
end

- (Object) create_widgets 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 64

def create_widgets
  create_bar_widget
  create_item_widgets
end

- (Object) disable_menu_items 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 35

def disable_menu_items
  key_strings = []
  @model.__items.each do |i|
    if i.respond_to?(:key)
      key_strings << i.key
    end
  end
  key_strings.uniq.each do |key_string|
    ApplicationSWT::Menu.disable_items(key_string)
  end
end

- (Object) error_in_listener(e) 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 174

def error_in_listener(e)
  if e.class.name == "TestingError"
    raise e
  else
    puts "*** Error in speedbar listener: #{e.message}"
    puts e.backtrace.map {|l| "    " + l}
  end
end

- (Object) execute_listener_in_model(item, *args) 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 87

def execute_listener_in_model(item, *args)
  if item.listener
    begin
      @model.instance_exec(*args, &item.listener)
    rescue => err
      error_in_listener(err)
    end
  end
end

- (Object) focussable_widgets 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 60

def focussable_widgets
  @focussable_widgets ||= []
end

- (Object) key_items 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 52

def key_items
  @model.__items.select {|i| i.respond_to?(:key) and i.key }
end

- (Object) key_press(e) 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 141

def key_press(e)
  return if Application::Dialog.in_dialog?
  key_string = Menu::BindingTranslator.key_string(e)
  if key_string == "\e"
    @window_model.close_speedbar
    e.doit = false
  end
  key_items.each do |key_item|
    if Menu::BindingTranslator.matches?(key_string, key_item.key)
      e.doit = false
      begin
        @model.instance_exec(&key_item.listener)
      rescue Object => err
        error_in_listener(err)
      end
    end
  end
end

- (Object) keyable_widgets 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 56

def keyable_widgets
  @keyable_widgets ||= []
end

- (Object) num_columns 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 47

def num_columns
  return @model.num_columns if @model.respond_to?(:num_columns)
  @model.__items.select {|i| !i.is_a?(Redcar::Speedbar::KeyItem) }.length
end

- (Object) rescue_speedbar_errors 



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# File 'plugins/application_swt/lib/application_swt/speedbar.rb', line 160

def rescue_speedbar_errors
  begin
    yield
  rescue Object => e
    if e.class.name == "TestingError"
      raise e
    else
      puts "*** Error in speedbar"
      puts e.class.to_s + ": " + e.message
      puts e.backtrace
    end
  end
end