Class: ColumnsHeaderLayout

Inherits:
Object
  • Object
show all
Defined in:
lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.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

Constructor Details

#initialize(pop, cr, columns, h_font) ⇒ ColumnsHeaderLayout

Returns a new instance of ColumnsHeaderLayout.



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 6

def initialize(pop,cr,columns,h_font)
	@header_height=0
	@y=0
	@header_layouts=Hash.new
	@pop=pop
	columns.each{|col|
		if col.printable?
			text_cell = cr.create_pango_layout
			text_cell.set_font_description(Pango::FontDescription.new(h_font)).set_width((pop.column_width[col.data]-@pop.header_line_width*2)*Pango::SCALE)
			text_cell.set_alignment(col.pango_layout_alignment)
			text_cell.set_wrap(Pango::Layout::WRAP_WORD_CHAR).set_ellipsize(Pango::Layout::ELLIPSIZE_NONE)
			#set_alignment(Pango::Layout::ALIGN_CENTER).
			text_cell.set_text(col.text)
			text_cell_text_height = text_cell.size[1].to_f / Pango::SCALE
			text_cell_text_width = text_cell.size[0].to_f / Pango::SCALE
			@header_height = text_cell_text_height+@pop.header_line_width*2 if @header_height < text_cell_text_height+@pop.header_line_width*2
			header_layouts[col.data]=text_cell
		end
	}
	@header_height = @header_height + @pop.header_line_width
	if pop.print_with_gantt
		@gantt=pop.list.holder.gantt.gantt
#			@[email protected]_by_id?(@iter[@pop.list.list_model.column_of_id])
		min_x=pop.column_pos[:gantt]
		gres=(@gantt.max_time-@gantt.min_time).to_f/pop.column_width[:gantt].to_f
	end

end

Instance Attribute Details

#header_height ⇒ Object (readonly)

Returns the value of attribute header_height.



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 34

def header_height
  @header_height
end

#header_layouts ⇒ Object (readonly)

Returns the value of attribute header_layouts.



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 34

def header_layouts
  @header_layouts
end

#pop ⇒ Object (readonly)

Returns the value of attribute pop.



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 34

def pop
  @pop
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 34

def y
  @y
end

Instance Method Details

#draw(cr) ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 44

def draw(cr)
	#column header
	header_layouts.each_pair{|key,layout|
		if @pop.draw_header_cell_borders
			cr.set_line_width(@pop.header_line_width)
			cr.rectangle(@pop.column_pos[key],y,@pop.column_width[key],header_height)
			if @pop.fill_header_background
				cr.move_to(@pop.column_pos[key]+@pop.header_line_width+3,y+@pop.header_line_width+3)
				cr.set_source_rgb(0.9,0.9,0.9)
				cr.fill_preserve()
				cr.set_source_rgb(0,0,0)
			end
		end
		cr.move_to(@pop.column_pos[key]+@pop.header_line_width,y+@pop.header_line_width)
		cr.show_pango_layout(layout)
	cr.stroke
	}
	#gantt header/scaler
	if pop.print_with_gantt
		#border
		cr.set_line_width(@pop.header_line_width).set_source_rgb(0,0,0).set_dash(100000)
		cr.rectangle(pop.column_pos[:gantt],y,pop.column_width[:gantt].to_f,header_height)
		cr.stroke
		#points
		pl=cr.create_pango_layout
		pl.set_font_description(Pango::FontDescription.new(pop.gantt_cell_font))
		pl.set_wrap(Pango::Layout::WRAP_WORD_CHAR).set_ellipsize(Pango::Layout::ELLIPSIZE_NONE)

		gres=(@gantt.max_time-@gantt.min_time).to_f/pop.column_width[:gantt].to_f
		start=nil
		(@gantt.min_time).step(@gantt.max_time,@gantt.scaler_step){|i| 
			point=@gantt.time_round_res(i).to_i
			start=point/gres if start.nil?

			x=pop.column_pos[:gantt] + point/gres-start
			cr.set_source_rgba(48.0/255,88.0/255,116.0/255,1).set_line_width(@pop.header_line_width)
			cr.move_to(x,y+3)
			cr.rel_line_to(0,y + header_height - 3)
			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,y)
			cr.show_pango_layout(pl)
				
			cr.stroke
		}
	end
end

#height ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 36

def height
	@header_height
end

#set_y(newY) ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation/ColumnsHeaderLayout.rb', line 39

def set_y(newY)
	@y=newY
	self
end