Class: GanttScaler

Inherits:
Gtk::Viewport
  • Object
show all
Includes:
Conf
Defined in:
lib/ListHolder/GanttHolder/GanttScaler.rb

Overview

this file is part of manqod manqod is distributed under the CDDL licence the author of manqod is Dobai-Pataky Balint([email protected])

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Conf

#get_conf, #load_conf, #save_conf, #set_conf

Constructor Details

#initialize(gantt_holder) ⇒ GanttScaler

Returns a new instance of GanttScaler.



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 7

def initialize(gantt_holder)
	@gantt_holder=gantt_holder
	super(gantt.hadjustment,Gtk::Adjustment.new(0,0,0,0,0,0))
#		set_policy(Gtk::POLICY_NEVER,Gtk::POLICY_NEVER)
#		add_with_viewport(Gtk::EventBox.new.add(@widget=Gtk::Fixed.new))
	add(@widget=Gtk::Fixed.new)
	@widget.set_height_request(gantt.list.columns_height)
	#set width the same as gantt's
	gantt.hadjustment.signal_connect("changed"){|vad|
		@widget.set_width_request(vad.upper)
		false
	}
	#font=get_conf(0,0,"list-cell-font")||"Sans 6"
	font="Sans 6"
	@widget.signal_connect("expose-event",font){|me,ev,font|
		cr=me.window.create_cairo_context
		pl=cr.create_pango_layout
		pl.set_font_description(Pango::FontDescription.new(font))
		pl.set_wrap(Pango::Layout::WRAP_WORD_CHAR).set_ellipsize(Pango::Layout::ELLIPSIZE_NONE)

		unless gantt.points.size == 0
			start=gantt.points.first/gantt.res
			
			gantt.points.each{|point|
				x=point/gantt.res-start
				cr.set_source_rgba(48.0/255,88.0/255,116.0/255,1).set_line_width(0.3)
				cr.move_to(x,3)
				cr.rel_line_to(0,@widget.allocation.height-6)
				cr.stroke

				cr.set_source_rgba(48.0/255,88.0/255,116.0/255,0.8)
				
				pl.set_text(Time.at(point).strftime_w(gantt.scaler_format))
				cr.move_to(x+2,1)
				cr.show_pango_layout(pl)
				
				cr.stroke
			}
		end
		}
end

Instance Attribute Details

#gantt_holder ⇒ Object (readonly)

Returns the value of attribute gantt_holder.



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 48

def gantt_holder
  @gantt_holder
end

#widget ⇒ Object (readonly)

Returns the value of attribute widget.



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 48

def widget
  @widget
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 49

def clear
	@widget.queue_draw_area(0, 0, @widget.allocation.width, @widget.allocation.height)
end

#gantt ⇒ Object 



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 56

def gantt
	gantt_holder.gantt
end

#to_s ⇒ Object 



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 59

def to_s
	"Scaler of #{gantt}"
end

#update(notifier) ⇒ Object 



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# File 'lib/ListHolder/GanttHolder/GanttScaler.rb', line 52

def update(notifier)
	@widget.set_height_request(gantt.list.columns_height)
	clear
end