Class: NodeView

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

Direct Known Subclasses

NodeHostView, NodeNetworkView

Constant Summary collapse

MIN_MOVE = 
5
NODE_SIZE = 
40

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#bg_text ⇒ Object

Returns the value of attribute bg_text.



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# File 'lib/gui/node_view.rb', line 6

def bg_text
  @bg_text
end

#group ⇒ Object

Returns the value of attribute group.



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# File 'lib/gui/node_view.rb', line 6

def group
  @group
end

#icon ⇒ Object

Returns the value of attribute icon.



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# File 'lib/gui/node_view.rb', line 6

def icon
  @icon
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/gui/node_view.rb', line 6

def image
  @image
end

#node ⇒ Object

Returns the value of attribute node.



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# File 'lib/gui/node_view.rb', line 7

def node
  @node
end

#notification_count ⇒ Object

Returns the value of attribute notification_count.



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# File 'lib/gui/node_view.rb', line 7

def notification_count
  @notification_count
end

#notification_sev ⇒ Object

Returns the value of attribute notification_sev.



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# File 'lib/gui/node_view.rb', line 7

def notification_sev
  @notification_sev
end

#selected ⇒ Object

Returns the value of attribute selected.



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# File 'lib/gui/node_view.rb', line 6

def selected
  @selected
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/gui/node_view.rb', line 6

def text
  @text
end

Instance Method Details

#add_notification(sev) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 9

def add_notification(sev)
  @notification_count[$status_value.index(sev)] +=1
  if @notification_sev < sev
    @notification_sev = sev
  end
  update_notification_icon()
  if $icon.embedded? and !$win.visible? and !$icon.blinking?
	$icon.set_blinking(true)
  end
end

#del_notification(sev) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 20

def del_notification(sev)
  @notification_count[$status_value.index(sev)] -=1 if @notification_count[$status_value.index(sev)] > 0
  #we need to update sev too
  #warning it's not equivalent to @notification_count.each_with_index.max
  max = @notification_count.max
  if max == 0
    @notification_sev = UNKNOWN
  else
    @notification_sev = $status_value[@notification_count.index(max)]
  end
  update_notification_icon()
end

#destroy ⇒ Object 



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# File 'lib/gui/node_view.rb', line 165

def destroy()
  @group.parent.remove_child(@group) if !@group.nil?
end

#get_node_size ⇒ Object 



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# File 'lib/gui/node_view.rb', line 63

def get_node_size()
  view_size=$config.pixmap_size.to_i()
  
  if @node != nil && @node.map != nil
    if $network[@node.map].node_size != nil
      view_size=$network[@node.map].node_size
    end
  end
    
  if view_size <= 0
    return NODE_SIZE
  else
    return view_size
  end
end

#get_size ⇒ Object 



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# File 'lib/gui/node_view.rb', line 83

def get_size()
  return @size
end

#get_text ⇒ Object 



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# File 'lib/gui/node_view.rb', line 190

def get_text()
  if @text != nil
    @text.text
  end
end

#hide ⇒ Object 



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# File 'lib/gui/node_view.rb', line 173

def hide()
  @group.visibility = Goo::CanvasItem::HIDDEN if !@group.nil?
end

#hide_link ⇒ Object 



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# File 'lib/gui/node_view.rb', line 256

def hide_link()
  if @node.nb_links > 0
    @node.get_links().each {|lnk|
      lnk.remove_link
    }
  end
end

#hide_selected_node_link ⇒ Object 



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# File 'lib/gui/node_view.rb', line 236

def hide_selected_node_link()
  $canvas.get_selected_node.each {|n|
    if n.nb_links > 0
      n.get_links().each {|lnk|
        lnk.hide
      }
    end
  }
end

#hide_text ⇒ Object 



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# File 'lib/gui/node_view.rb', line 196

def hide_text()
  if @text != nil
    @bg_text.visibility = Goo::CanvasItem::HIDDEN
    @text.visibility = Goo::CanvasItem::HIDDEN
  end
end

#icon_color(color) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 228

def icon_color(color)
  if @icon != nil
    Gtk.thread_protect do
      @icon.fill_color_rgba = color
    end
  end
end

#move(x_translate, y_translate) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 159

def move(x_translate, y_translate)
  @node.x += x_translate
  @node.y += y_translate
  @group.translate(x_translate, y_translate)
end

#move_down ⇒ Object 



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# File 'lib/gui/node_view.rb', line 45

def move_down()
  hide_link()
  move(0, MIN_MOVE)
  show_link()
end

#move_left ⇒ Object 



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# File 'lib/gui/node_view.rb', line 51

def move_left()
  hide_link()
  move(-MIN_MOVE, 0)
  show_link()
end

#move_right ⇒ Object 



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# File 'lib/gui/node_view.rb', line 57

def move_right()
  hide_link()
  move(MIN_MOVE, 0)
  show_link()
end

#move_up ⇒ Object 



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# File 'lib/gui/node_view.rb', line 39

def move_up()
  hide_link()
  move(0, -MIN_MOVE)
  show_link()
end

#reload_bg_text ⇒ Object

need to reload bg text when text label is changed



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# File 'lib/gui/node_view.rb', line 122

def reload_bg_text()
  to_size = get_node_size()
  siz = to_size + 3*@text.text.size
  xdiff = @text.x2 - @text.x1
  if siz > xdiff
    @bg_text.width = siz
  else
    @bg_text.width =  xdiff
  end
  @bg_text.width +=  5
  @bg_text.x = @text.x - @bg_text.width/2
  @bg_text.y = @icon.y + to_size + 5    
end

#reload_label_colors ⇒ Object 



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# File 'lib/gui/node_view.rb', line 136

def reload_label_colors()
  cl = Integer("0x#{rgb_to_hex_color(Gdk::Color.new($config.label_bg[0],$config.label_bg[1],$config.label_bg[2]))}ff")	
  @bg_text.fill_color_rgba = cl
  @bg_text.stroke_color_rgba = cl
  @text.fill_color_rgba = Integer("0x#{rgb_to_hex_color(Gdk::Color.new($config.label_text[0],$config.label_text[1],$config.label_text[2]))}ff")
end

#reparent(canvas_group) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 79

def reparent(canvas_group)
  @group.parent = canvas_group
end

#reset_notification ⇒ Object 



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# File 'lib/gui/node_view.rb', line 33

def reset_notification()
  #@notification_count is an array of 4 sevs: critical, major, warning, minor
  @notification_count = Array.new(4, 0)
  @notification_sev = UNKNOWN
end

#resize ⇒ Object 



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# File 'lib/gui/node_view.rb', line 87

def resize()
  #puts "in resize"
  to_size=get_node_size()
  hide_link()
  @size=$config.pixmap_size
     
  @image.width=(to_size)*80/100.0
  @image.height=(to_size)*80/100.0
     
  @image.x= @icon.x+(to_size/2.0)-@image.width/2.0
  @image.y= @icon.y+(to_size/2.0)-@image.height/2.0

  old_icon_width = @icon.width
  old_icon_height = @icon.height
  old_icon_y = @icon.y
  @icon.width=to_size
  @icon.height=to_size
    
  @text.x = @icon.x + get_node_size()/2
  @text.y = @icon.y + get_node_size() + 11
  reload_bg_text()
  reload_label_colors()
 
  #notification icon is only displayed on Host node
  if @node.class == Host
    circle_size = to_size/2.0
    @notification_group.translate(@icon.width - old_icon_width, @icon.y - old_icon_y)
    resize_notification_icon(circle_size)
  end  
  show_link()
end

#select ⇒ Object 



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# File 'lib/gui/node_view.rb', line 147

def select()
  @icon.stroke_color = "red"
  @icon.line_width = 2.0
  @selected=true
end

#selected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gui/node_view.rb', line 143

def selected?()
  return @selected==true
end

#set_image(img_path) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 210

def set_image(img_path)
  if @image != nil
    full_img_path="#{PIXMAP_PATH}/"+img_path
    if FileTest.exist?(full_img_path)
      begin
        Gtk.thread_protect do
   node_size = get_node_size()
          @image.pixbuf = Gdk::Pixbuf.new(full_img_path, node_size, node_size)
   @image.width=(node_size)*80/100.0
          @image.height=(node_size)*80/100.0
        end
      rescue Exception => msg
        $log.error("Image is corrupted #{msg}")
      end
    end
  end
end

#set_text(txt) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 183

def set_text(txt)
  if (@text != nil) && (@text.text != txt)
    @text.text = txt
    reload_bg_text()
  end
end

#set_text_color(color) ⇒ Object 



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# File 'lib/gui/node_view.rb', line 177

def set_text_color(color)
  if @text != nil
    @text.fill_color = color
  end
end

#show ⇒ Object 



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# File 'lib/gui/node_view.rb', line 169

def show()
  @group.visibility = Goo::CanvasItem::VISIBLE if !@group.nil?
end

#show_link ⇒ Object 



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# File 'lib/gui/node_view.rb', line 264

def show_link()
  if @node.nb_links > 0
    @node.get_links().each {|lnk|
      lnk.display
    }
  end
end

#show_selected_node_link ⇒ Object 



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# File 'lib/gui/node_view.rb', line 246

def show_selected_node_link()
  $canvas.get_selected_node.each {|n|
    if n.nb_links > 0
      n.get_links().each {|lnk|
        lnk.show
      }
    end
  }
end

#show_text ⇒ Object 



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# File 'lib/gui/node_view.rb', line 203

def show_text()
  if @text != nil
    @bg_text.visibility = Goo::CanvasItem::VISIBLE
    @text.visibility = Goo::CanvasItem::VISIBLE
  end
end

#unlink_node ⇒ Object 



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# File 'lib/gui/node_view.rb', line 272

def unlink_node()
  node_t=$canvas.get_selected_node()
  node_t_size=node_t.size
  if node_t_size == 0
    @node.del_all_links()
  elsif node_t_size == 1
    node_t[0].del_all_links()
  else
    cpt=0
    while cpt < node_t_size do
      node_id=node_t.shift
      node_t.each { |node2_id|
        if node_id.linked(node2_id) == 1
          node_id.del_node_link(node2_id)
        end
      }
      cpt+=1
    end
  end
end

#unselect ⇒ Object 



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# File 'lib/gui/node_view.rb', line 153

def unselect()
  @icon.stroke_color = "black"
  @icon.line_width = 1.0
  @selected=false
end