Class: ViGUI

Inherits:
Object
  • Object
show all
Defined in:
lib/ViGUI.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ViGUI

Returns a new instance of ViGUI.



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# File 'lib/ViGUI.rb', line 13

def initialize
  $log = Log.new # WHY??? XXX
  VER::start_ncurses
  @window = VER::Window.root_window
  @form = Form.new @window
  @current_list_index = 0
  @current_list_toprow = 0
  @colors = []
end

Instance Method Details

#add_hardware(hardware) ⇒ Object 



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# File 'lib/ViGUI.rb', line 112

def add_hardware hardware
  @hardware.set_data hardware, @hardware.table_column_model
end

#add_state(state) ⇒ Object 



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# File 'lib/ViGUI.rb', line 109

def add_state state
  @overview.set_data state, @overview.table_column_model
end

#add_tasks(callback, index, tasks) ⇒ Object 



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# File 'lib/ViGUI.rb', line 92

def add_tasks callback, index, tasks
  col = @tw + 1
  row = @h1 + 3
  # move to a button list class TODO
  w = @form.widgets.collect { |w| w.class == Button ? w : nil }
  w.compact.each { |w| @form.remove_widget w }
  @tasks.paint
  tasks.each do |task|
    b = Button.new @form do
      col col
      row row
      text task
    end
    b.command { |form| callback.call index, task }
    row += 1
  end
end

#color_callback(index) ⇒ Object 



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# File 'lib/ViGUI.rb', line 118

def color_callback index
  @colors[index] || 'grey'
end

#colors=(colors) ⇒ Object 



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# File 'lib/ViGUI.rb', line 203

def colors= colors
  @colors = colors
  @tree.instance_eval "@repaint_required = true" # XXX
end

#create_events(w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 148

def create_events w
  colnames = DefaultTableColumnModel.new %w[name target canceled status user start]
  @events.set_data [], colnames
end

#create_hardware(w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 141

def create_hardware w
  w1 = w / 2 - w / 4
  colnames = DefaultTableColumnModel.new %w[device summary]
  colnames.column(0).width w1
  colnames.column(1).width w - w1 - 3
  @hardware.set_data [], colnames
end

#create_overview(w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 134

def create_overview w
  w1 = w / 2 - w / 4
  colnames = DefaultTableColumnModel.new %w[key value]
  colnames.column(0).width w1
  colnames.column(1).width w - w1 - 3
  @overview.set_data [], colnames
end

#create_status(row, col, h, w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 163

def create_status row, col, h, w
  @status = Label.new @form do
    name 'status'
    row row
    col col
    height h
    display_length w
    color 'white'
    bgcolor 'blue'
    attr 'bold'
  end
end

#create_vmlist(row, col, h, w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 121

def create_vmlist row, col, h, w
  renderer = VMTreeItemRenderer.new self, self.method(:color_callback), w-2
  @tree = Listbox.new @form do
    name 'vmlist'
    title 'VMs'
    row row
    col col
    height h
    width w
    list_variable Variable.new []
    cell_renderer renderer
  end
end

#create_widget(class_name, name, title, row, col, h, w) ⇒ Object 



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# File 'lib/ViGUI.rb', line 152

def create_widget class_name, name, title, row, col, h, w
  class_name.new @form do
    name name
    title title
    row row
    col col
    height h
    width w
    focusable false
  end
end

#current_list_index ⇒ Object 



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# File 'lib/ViGUI.rb', line 175

def current_list_index
  @current_list_toprow = @tree.toprow
  @current_list_index = @tree.current_index
end

#draw_events(events) ⇒ Object 



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# File 'lib/ViGUI.rb', line 115

def draw_events events
  @events.set_data events, @events.table_column_model
end

#draw_list(list) ⇒ Object 



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# File 'lib/ViGUI.rb', line 196

def draw_list list
  @tree.list_data_model.remove_all
  list.each { |i| @tree.list_data_model.append i }
  @tree.current_index = @current_list_index
  @tree.instance_eval "@toprow = #{@current_list_toprow}" # adapt library XXX
  refresh
end

#enter_login ⇒ Object 



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# File 'lib/ViGUI.rb', line 36

def 
  dialog = Form.new nil
  inputs = ['host','username','password']
  inputs.each_with_index do |text,i|
    Label.new dialog do
      col 4
      row 4 + i*2
      text text+":"
      attr 'reverse'
    end
    Field.new dialog do
      name text
      col 14
      row 4 + i*2
      display_length 41
      maxlen 99
    end
  end
  show_messagebox dialog, 'Login Configuration'
  Hash[*inputs.collect{|i| [i,dialog.by_name[i].getvalue]}.flatten]
end

#get_h_w ⇒ Object 



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# File 'lib/ViGUI.rb', line 57

def get_h_w
  h = []
  w = []
  Ncurses.getmaxyx Ncurses.stdscr, h, w
  return h[0] -2, w[0]
end

#getchar ⇒ Object 



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# File 'lib/ViGUI.rb', line 187

def getchar
  @window.getchar
end

#handle_key(ch) ⇒ Object 



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# File 'lib/ViGUI.rb', line 190

def handle_key ch
  @form.handle_key ch
end

#refresh ⇒ Object 



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# File 'lib/ViGUI.rb', line 193

def refresh
  @form.repaint
end

#select(choices) ⇒ Object 



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# File 'lib/ViGUI.rb', line 22

def select choices
  dialog = Form.new nil
  list = Listbox.new dialog do
    row 2
    col 3
    bgcolor 'white'
    color 'black'
    height 8
    width 54
    list_variable Variable.new choices
  end
  show_messagebox dialog, 'Please Select'
  list.list[list.current_index]
end

#set_status(text) ⇒ Object 



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# File 'lib/ViGUI.rb', line 183

def set_status text
  @status.text = " "+text
  refresh
end

#setup(focus_callback) ⇒ Object 



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# File 'lib/ViGUI.rb', line 70

def setup focus_callback
  @tw = tw = 40
  h, w = get_h_w
  h1 = (h - 1)/3
  h2 = h/4 - 2
  h3 = h/4 + 1
  h4 = h - h1 - h2 - h3 - 4
  @h1 = h1 + h2
  create_vmlist 0, 0, h, tw
  @overview = create_widget Table, 'overview', 'Overview',  0, tw, h1, w - tw
  create_overview w - tw
  @hardware = create_widget Table, 'hardware', 'Hardware',  h1 + 1, tw, h2, w - tw
  create_hardware w - tw
  @tasks = create_widget TextArea, 'tasks', 'Tasks', h1 + h2 + 2, tw, h3, w - tw
  @events = create_widget Table, 'events', 'Events', h1 + h2 + h3 + 3, tw, h4, w - tw
  create_events w - tw
  create_status h, tw, 1, w - tw
  refresh
  @tree.bind(:ENTER_ROW, focus_callback) do |tree,callback|
    focus_callback.call tree.current_index
  end
end

#show_messagebox(dialog, title) ⇒ Object 



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# File 'lib/ViGUI.rb', line 63

def show_messagebox dialog, title
  h, w = get_h_w
  MessageBox.new dialog do
    title title
    layout 14, 60, h/2 - 7, w/2 - 30
  end
end

#unload ⇒ Object 



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# File 'lib/ViGUI.rb', line 179

def unload
  @window.destroy if !@window.nil?
  VER::stop_ncurses
end