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