Class: RubyCurses::TabbedWindow

Inherits:
Object
  • Object
show all
Includes:
DSL, EventHandler
Defined in:
lib/rbcurse/rtabbedwindow.rb

Defined Under Namespace

Classes: Tab

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from EventHandler

#bind, #fire_handler, #fire_property_change

Methods included from DSL

#OLD_method_missing

Constructor Details

#initialize(win, aconfig = {}, &block) ⇒ TabbedWindow

Returns a new instance of TabbedWindow.



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# File 'lib/rbcurse/rtabbedwindow.rb', line 85

def initialize win, aconfig={}, &block
  @parent = win
  @tabs ||= []
  @forms ||= []
  @bgcolor ||=  "black" # 0
  @color ||= "white" # $datacolor
  @attr = nil
  @current_form = nil
  @current_tab = nil
  @config = aconfig
  @config.each_pair { |k,v| variable_set(k,v) }
  instance_eval &block if block_given?
end

Instance Attribute Details

#selected_index ⇒ Object (readonly)

Returns the value of attribute selected_index.



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# File 'lib/rbcurse/rtabbedwindow.rb', line 84

def selected_index
  @selected_index
end

Instance Method Details

#add_tab(text, aconfig = {}, &block) ⇒ Object

when adding tabs, you may use ampersand in text to create hotkey



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# File 'lib/rbcurse/rtabbedwindow.rb', line 100

def add_tab text, aconfig={}, &block
  #create a button here and block is taken care of in button's instance
  #or push this for later creation.
  @tabs << Tab.new(text, aconfig, &block)
  tab = @tabs.last
  @forms << create_tab_form(tab)
  tab.form = @forms.last
  return tab
end

#center_column(textlen) ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 295

def center_column textlen
  width = @layout[:width]
  return (width-textlen)/2
end

#configure(*val, &block) ⇒ Object

private



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# File 'lib/rbcurse/rtabbedwindow.rb', line 115

def configure(*val , &block)
  case val.size
  when 1
    return @config[val[0]]
  when 2
    @config[val[0]] = val[1]
    variable_set(val[0], val[1]) 
  end
  instance_eval &block if block_given?
end

#create_buttons ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 251

def create_buttons
  case @button_type.to_s.downcase
  when "ok"
    make_buttons ["&OK"]
  when "ok_cancel" #, "input", "list", "field_list"
    make_buttons %w[&OK &Cancel]
  when "yes_no"
    make_buttons %w[&Yes &No]
  when "yes_no_cancel"
    make_buttons ["&Yes", "&No", "&Cancel"]
  when "custom"
    raise "Blank list of buttons passed to custom" if @buttons.nil? or @buttons.size == 0
    make_buttons @buttons
  else
    $log.debug "No buttontype passed for creating tabbedpane. Using default (OK)"
    make_buttons ["&OK"]
  end
end

#create_tab_form(tab) ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 182

def create_tab_form tab
  layout = { :height => @height-2, :width => @width, :top => @row+2, :left => @col } 
  window = VER::Window.new(layout)
  form = RubyCurses::Form.new window
  form.navigation_policy = :NON_CYCLICAL
  window.bkgd(Ncurses.COLOR_PAIR($datacolor));
  window.box( 0, 0);
  window.mvprintw(1,1, tab.text.tr('&', ''))
  ##window.wrefresh
  ##Ncurses::Panel.update_panels
  return form
end

#create_window ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 132

def create_window
  # first create the main top window with the tab buttons on it.
  @layout = { :height => @height, :width => @width, :top => @row, :left => @col } 
  @window = VER::Window.new(@layout)
  @form = RubyCurses::Form.new @window
  @form.navigation_policy = :NON_CYCLICAL
  @current_form = @form
  @window.bkgd(Ncurses.COLOR_PAIR($datacolor));
  @window.box( 0, 0);
  @window.wrefresh
  Ncurses::Panel.update_panels
  col = 1
  @buttons = []
  ## create a button for each tab
  $tabradio = Variable.new
  @tabs.each do |tab|
    text = tab.text
    @buttons << RubyCurses::TabbedButton.new(@form) do
      variable $tabradio
      text text
      name text
      value text
      row 1
      col col
    end
    col += text.length+4
#       @forms << create_tab_form(tab)
#       form = @forms.last
    form = tab.form
    form.window = @window if form.window.nil? ## XXX
    panel = form.window.panel
    @buttons.last.command { Ncurses::Panel.top_panel(panel) 
      Ncurses::Panel.update_panels();
      Ncurses.doupdate();
      form.repaint
      @current_form = form
      @current_tab = form
    }
 
  end
  create_buttons
  @form.repaint
end

#destroy ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 247

def destroy
  @window.destroy
  @forms.each { |f| w = f.window; w.destroy unless w.nil? }
end

#display_form(form) ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 175

def display_form form
  panel = form.window.panel
  Ncurses::Panel.top_panel(panel) 
  Ncurses::Panel.update_panels();
  Ncurses.doupdate();
  form.repaint
end

#handle_keys ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 194

def handle_keys
  begin
  while (( ch=@window.getchar()) != 999)
    if ch == ?\C-q.getbyte(0)
      @selected_index = -1  # this signifies cancel by ?C-q
      @stop = true
      return
    end
    return if @stop
    @current_form ||= @form
    ret = @current_form.handle_key(ch)
    case ret
    when :NO_NEXT_FIELD
      if @current_form != @form
        @current_form = @form
        #@current_form.select_field -1
        @current_form.req_first_field
        #ret = @current_form.handle_key(ch)
      else
        if !@current_tab.nil?
        @current_form = @current_tab
        display_form @current_form
        @current_form.req_first_field
        #@current_form.select_field -1
        #ret = @current_form.handle_key(ch)
        end
      end
    when :NO_PREV_FIELD
      if @current_form != @form
        $log.debug " 1 no prev field - going to button "
        @current_form = @form
        @current_form.req_last_field
      else
        if !@current_tab.nil?
        @current_form = @current_tab
        display_form @current_form
        @current_form.req_last_field
        end
      end
    when :UNHANDLED
      $log.debug " unhandled in tabbed pane #{ch}"
      ret = @form.process_key ch, self # field
      @form.repaint
      #return :UNHANDLED if ret == :UNHANDLED
    end
    return if @stop
    @current_form.window.wrefresh
    @window.refresh
  end
  ensure
    destroy
  end
end

#make_buttons(names) ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 269

def make_buttons names
  total = names.inject(0) {|total, item| total + item.length + 4}
  bcol = center_column total

  brow = @layout[:height]-2
  button_ct=0
  names.each_with_index do |bname, ix|
    text = bname
    #underline = @underlines[ix] if [email protected]?

    button = Button.new @form do
      text text
      name bname
      row brow
      col bcol
      #underline underline
      highlight_background $reversecolor 
      color $datacolor
      bgcolor $datacolor
    end
    index = button_ct
    button.command { |form| @selected_index = index; @stop = true; $log.debug "Pressed Button #{bname}";}
    button_ct += 1
    bcol += text.length+6
  end
end

#repaint ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 125

def repaint
  @window || create_window
  @window.show
end

#show ⇒ Object 



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# File 'lib/rbcurse/rtabbedwindow.rb', line 129

def show
  repaint
end

#variable_set(var, val) ⇒ Object

private



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# File 'lib/rbcurse/rtabbedwindow.rb', line 110

def variable_set var, val
    var = "@#{var}"
    instance_variable_set(var, val) 
end