Class: ListPrint::ListPrintOperation

Inherits:
Gtk::PrintOperation
  • Object
show all
Includes:
Conf
Defined in:
lib/ListHolder/EditableList/ListPrintOperation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Conf

#get_conf, #load_conf, #save_conf, #set_conf

Constructor Details

#initialize(list) ⇒ ListPrintOperation

Returns a new instance of ListPrintOperation.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 9

def initialize(list)
		@list=list
		@print_sums=(list.gtk_attribute("print_sums") || "true") =="true"
		@sum_font=list.gtk_attribute("sum_font") || "verdana bold 6"
		@cell_font=list.gtk_attribute("cell_font") || "verdana 6"
		@columns_header_font=list.gtk_attribute("columns_header_font") || "verdana bold 6"
		@header_font=list.gtk_attribute("header_font") || "verdana bold 10"
		@footer_font=list.gtk_attribute("footer_font") || "verdana 6"
		@date_font=list.gtk_attribute("date_font") || "verdana 5"
		@print_date=(list.gtk_attribute("print_date") || "true") == "true"
		@row_spacing=(list.gtk_attribute("row_spacing") || 1.0).to_f
		@column_spacing=(list.gtk_attribute("column_spacing") || 1.0).to_f
		@draw_footer_line=(list.gtk_attribute("draw_footer_line") || "true") == "true"
		@line_above_parent=(list.gtk_attribute("line_above_parent") || "true") == "true"
		@draw_header_line=(list.gtk_attribute("draw_header_line") || "true") == "true"
		@print_title=(list.gtk_attribute("print_title") || "true") == "true"
		@draw_header_cell_borders=(list.gtk_attribute("draw_header_cell_borders") || "true") == "true"
		@fill_header_background=(list.gtk_attribute("fill_header_background") || "true") == "true"
		@row_underline=(list.gtk_attribute("row_underline") || 0.0).to_f

		if @print_with_child=list.gtk_attribute("print_with_child")
			@child_list=list.child_by_id(@print_with_child.to_i)
			@child_model=Gtk::TreeModelSort.new(@child_list.list_model.data)
			@child_model.set_sort_column_id(@child_list.list_model.sorter.sort_column_id[0],@child_list.list_model.sorter.sort_column_id[1]) unless @child_list.list_model.sorter.sort_column_id.nil?
		end
		@print_sub_sums=(list.gtk_attribute("print_sub_sums") || "true") == "true"
		@child_indent=(list.gtk_attribute("child_indent") || 100).to_f
		@child_cell_font=list.gtk_attribute("child_cell_font") || "verdana 5"
		@child_sum_font=list.gtk_attribute("child_sum_font") || "verdana bold 5"
		@child_columns_header_font=list.gtk_attribute("child_columns_header_font") || "verdana bold 5"

		@header_line_width=(list.gtk_attribute("header_line_width") || 1.0).to_f
		@footer_line_width=(list.gtk_attribute("footer_line_width") || 1.0).to_f
		@cell_line_width=(list.gtk_attribute("cell_line_width") || 0.1).to_f
		@sum_line_width=(list.gtk_attribute("sum_line_width") || 0.6).to_f
		
		@print_with_gantt=(list.gtk_attribute("print_with_gantt") || "false") == "true"
		@gantt_cell_font=list.gtk_attribute("gantt_cell_font") || "verdana 5"

		@line_width=1

		super()
		set_show_progress(true)
		set_use_full_page(false)
		set_unit(Gtk::PaperSize::UNIT_POINTS)
		
#			n_pages=1


		signal_connect("begin-print",@list) { |pop, context,list|
			edebug("begin print","printing","info")
			cr = context.cairo_context
			cr.set_line_width(@line_width)
			@height = context.page_setup.get_page_height(Gtk::PaperSize::UNIT_POINTS).to_f
			@width = context.page_setup.get_page_width(Gtk::PaperSize::UNIT_POINTS).to_f

			columns_width_sum=0.0
			col_cnt=0
			list.columns.each{|col| 
				if col.printable?
					columns_width_sum+=col.width.to_f 
					col_cnt+=1
				end
			} #summ the width of all columns
			columns_width_sum+=list.holder.widget.allocation.width - list.allocation.width if @print_with_gantt
			coef=(width-col_cnt*@column_spacing)/columns_width_sum
			einfo("colums width sum: #{columns_width_sum}","printing")
			
			#@column_width will store the column positions on the context
			@column_width=Hash.new
			@column_pos=Hash.new
			col_cur_pos=0.0
			list.columns.each{|col|
				if col.printable?
					@column_pos[col.data]=col_cur_pos
					@column_width[col.data]=col.width.to_f*coef
					col_cur_pos+=@column_width[col.data]+@column_spacing
				end
			}
			if @print_with_gantt
				@column_pos[:gantt]=col_cur_pos
				@column_width[:gantt]=(list.holder.widget.allocation.width - list.allocation.width).to_f*coef
			end
			if child_list
				columns_width_sum=@child_indent.to_f
				col_cnt=0
				child_list.columns.each{|col| 
					if col.printable?
						columns_width_sum+=col.width.to_f 
						col_cnt+=1
					end
				} #summ the width of all columns
				coef=(width-col_cnt*@column_spacing)/columns_width_sum
				einfo("child colums width sum: #{columns_width_sum}","printing")
			
				#@column_width will store the column positions on the context
				col_cur_pos=@child_indent.to_f*coef
				child_list.columns.each{|col|
					if col.printable?
						@column_pos[col.data]=col_cur_pos
						@column_width[col.data]=col.width.to_f*coef
						col_cur_pos+=@column_width[col.data]+@column_spacing
					end
				}
			end
			

			
			@current_height=0
			@header=HeaderLayout.new(cr,self)
			@current_height=@current_height+@header.height
			@columns_header=ColumnsHeaderLayout.new(self,cr,list.columns,@columns_header_font)
			@columns_header.set_y(@current_height)
			@current_height=@current_height+@columns_header.height+@row_spacing
			if child_list
				@child_columns_header=ColumnsHeaderLayout.new(self,cr,child_list.columns,@child_columns_header_font) if child_list
				@child_columns_header.set_y(@current_height)
				@current_height=@current_height+@child_columns_header.height+@row_spacing
			end
			@headers_height=@current_height
			
			@footer=FooterLayout.new(cr,self)

			@iter_layouts = []

			@sums=Hash.new
			list.columns.each{|col| @sums[col.colnum]=0 if col.summable?}

			if child_list
				if print_sub_sums
					@sub_sums=Hash.new
					child_list.columns.each{|col| @sub_sums[col.colnum]=0 if col.summable?}
				end
				@citer=nil
			end
			
			@piter=nil
			#list.model.iter_first
			@past_last=false
			@page_n=0
		}
		signal_connect("paginate",@list) { |pop, context,list|
			edebug("paginate: #{@page_n}","printing","info")
			
			page_full=false
			cr = context.cairo_context
			while true
					if @child_list
							#step first on citer if citer is nil
							if @citer.nil?
								@citer=@child_model.iter_first
								else 
								@citer=nil unless @citer.next!
							end unless @piter.nil?
							#go to next valid citer which meets key-relation
							begin
								break if @citer.nil?
								go_next=false
								#check for parent_key
								go_next=true unless @citer[child_list.list_model.column_of_child_key] == @piter[child_list.list_model.column_of_parent_key]
								#check for parent_key2
								go_next=true unless @citer[child_list.list_model.column_of_child_key2] == @piter[child_list.list_model.column_of_parent_key2] if !child_list.list_model.column_of_child_key2.nil? && go_next
								#check child's filters
								filter_count=0
								filter_hits=0
								@child_list.columns.each{|column|
									fl=get_conf(@child_list.get_id,column.header["id"],"filter").to_s.upcase
									case column.header['type']
										when 'gtk_combo', 'gtk_const_combo' then fl = (fl=="-1" or fl=="") ? "" : "=#{fl}"
									end
									comp=@citer[column.header["model_col"]].to_s.upcase
									if fl.length>0
										filter_count=filter_count+1
										filter_hits=filter_hits+
											if ['gtk_int','Integer','gtk_float','gtk_progress','gtk_duration','gtk_timestamp'].include? column.header['type']
												case fl[0].chr
													when "<" then comp.to_f <  fl[1 .. fl.length].to_f ? 1: 0
													when ">" then comp.to_f >  fl[1 .. fl.length].to_f ? 1: 0
													when "!" then comp.to_f != fl[1 .. fl.length].to_f ? 1: 0
													when "=" then comp.to_f == fl[1 .. fl.length].to_f ? 1: 0
													else comp.to_f == fl[1 .. fl.length].to_f ? 1: 0
												end
											else
												case fl[0].chr
													when "=" then comp == fl[1 .. fl.length] ? 1: 0
													when "<" then comp <  fl[1 .. fl.length] ? 1: 0
													when ">" then comp >  fl[1 .. fl.length] ? 1: 0
													when "!" then comp != fl[1 .. fl.length] ? 1: 0
													else comp.index(fl) ? 1: 0
												end
											end
									end
								}
								go_next=filter_hits != filter_count unless go_next

								@citer=nil if !@citer.next! if go_next
							end while go_next
							#if citer is nil we go to next piter
							if @citer.nil?
								#print sub_sums
								if print_sub_sums and @sum_avail
									il=IterLayout.new(cr,@sub_sums,child_list.columns, self,child_sum_font )
#										print il.inspect
									il.set_line_above(true)
									lay_it(il)
									#clear sums
									@sub_sums.each_key{|key| @sub_sums[key]=0} 
									@sum_avail=false
								end

								#we print piter
								if @piter.nil?
									break if past_last=!@piter=list.model.iter_first
								else
									break if past_last=!@piter.next_with_children
								end
								@sums.each_key{|key| @sums[key]=@sums[key]+@piter[key].to_f}
								il=IterLayout.new(cr,@piter,list.columns, self,cell_font)
								il.set_line_above(line_above_parent)
								break if lay_it(il)
							else
								#calc sums
								if print_sub_sums
									@sub_sums.each_key{|key| @sub_sums[key]=@sub_sums[key]+@citer[key].to_f} 
									@sum_avail=true
								end
#									p "citer: #{@citer[child_list.column_of_id]} #{@past_last} #{il.inspect}"
								#we print citer
								il=IterLayout.new(cr,@citer,child_list.columns, self,child_cell_font)
								break if lay_it(il)
							end
						
						else
						if @piter.nil?
							break if past_last=!@piter=list.model.iter_first 
						end
						@sums.each_key{|key| @sums[key]=@sums[key]+@piter[key].to_f} if @piter
						il=IterLayout.new(cr,@piter,list.columns, self,cell_font)
						if lay_it(il)
							#do not print it twice
							past_last=!@piter.next_with_children
							break
						end
						break if past_last=!@piter=@piter.next_with_children
						edebug("piter: #{@piter[list.list_model.column_of_id]} #{@past_last}","printing","debug")
					end
			end

			if past_last and print_sums
				il=IterLayout.new(cr,@sums,list.columns, self,sum_font)
				il.set_line_above(true)
				lay_it(il)
			end

			pop.set_n_pages(@page_n+1)
			einfo("paginated #{pop.n_pages} pages","printing")
			past_last
		} #paginate
		
		signal_connect('draw-page'){|me,context,page_number|
			edebug("draw-page: #{page_number}","printing","info")
			cr = context.cairo_context
			@header.draw(cr)
			@columns_header.draw(cr)
			if child_list
				@child_columns_header.draw(cr) 
			else
				cr.set_line_width(@cell_line_width)
				lcol=nil
				list.columns.each{|col|
					if col.printable?
						cr.move_to(@column_pos[col.data],@columns_header.y + @columns_header.height + @header_line_width)
						cr.line_to(@column_pos[col.data],@footer.y) #FIXME
						lcol=col
					end
				}
				cr.move_to(@column_pos[lcol.data]+@column_width[lcol.data],@columns_header.y + @columns_header.height + @header_line_width)
				cr.line_to(@column_pos[lcol.data]+@column_width[lcol.data],@footer.y) #FIXME
				cr.stroke
			end

			@footer.draw(cr,page_number)
			
			#draw cells	
			@iter_layouts.each{|il|
				il.draw(cr) if il.page == page_number
			}
			cr.stroke
		}
		signal_connect('status-changed'){|pop|
			einfo("status:#{pop.status_string}","printing")
		}
end

Instance Attribute Details

#bottom ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def bottom
  @bottom
end

#cell_font ⇒ Object

Returns the value of attribute cell_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 313

def cell_font
  @cell_font
end

#cell_line_width ⇒ Object (readonly)

Returns the value of attribute cell_line_width.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def cell_line_width
  @cell_line_width
end

#child_cell_font ⇒ Object

Returns the value of attribute child_cell_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 316

def child_cell_font
  @child_cell_font
end

#child_columns_header_font ⇒ Object

Returns the value of attribute child_columns_header_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 310

def child_columns_header_font
  @child_columns_header_font
end

#child_indent ⇒ Object

Returns the value of attribute child_indent.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 318

def child_indent
  @child_indent
end

#child_list ⇒ Object

Returns the value of attribute child_list.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 317

def child_list
  @child_list
end

#child_sum_font ⇒ Object

Returns the value of attribute child_sum_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 315

def child_sum_font
  @child_sum_font
end

#column_pos ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def column_pos
  @column_pos
end

#column_spacing ⇒ Object

Returns the value of attribute column_spacing.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 326

def column_spacing
  @column_spacing
end

#column_width ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def column_width
  @column_width
end

#columns ⇒ Object

Returns the value of attribute columns.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 319

def columns
  @columns
end

#columns_header_font ⇒ Object

Returns the value of attribute columns_header_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 309

def columns_header_font
  @columns_header_font
end

#custom_page_setup ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def custom_page_setup
  @custom_page_setup
end

#date_font ⇒ Object

Returns the value of attribute date_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 312

def date_font
  @date_font
end

#draw_footer_line ⇒ Object

Returns the value of attribute draw_footer_line.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 304

def draw_footer_line
  @draw_footer_line
end

#draw_header_cell_borders ⇒ Object

Returns the value of attribute draw_header_cell_borders.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 306

def draw_header_cell_borders
  @draw_header_cell_borders
end

#draw_header_line ⇒ Object

Returns the value of attribute draw_header_line.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 303

def draw_header_line
  @draw_header_line
end

#fill_header_background ⇒ Object

Returns the value of attribute fill_header_background.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 324

def fill_header_background
  @fill_header_background
end

#footer_font ⇒ Object

Returns the value of attribute footer_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 311

def footer_font
  @footer_font
end

#footer_line_width ⇒ Object

Returns the value of attribute footer_line_width.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 322

def footer_line_width
  @footer_line_width
end

#gantt_cell_font ⇒ Object (readonly)

Returns the value of attribute gantt_cell_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def gantt_cell_font
  @gantt_cell_font
end

#header_font ⇒ Object

Returns the value of attribute header_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 308

def header_font
  @header_font
end

#header_line_width ⇒ Object

Returns the value of attribute header_line_width.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 324

def header_line_width
  @header_line_width
end

#height ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def height
  @height
end

#left ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def left
  @left
end

#line_above_parent ⇒ Object

Returns the value of attribute line_above_parent.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 305

def line_above_parent
  @line_above_parent
end

#list ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def list
  @list
end

#print_date ⇒ Object

Returns the value of attribute print_date.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 307

def print_date
  @print_date
end

#print_sub_sums ⇒ Object

Returns the value of attribute print_sub_sums.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 320

def print_sub_sums
  @print_sub_sums
end

#print_sums ⇒ Object

Returns the value of attribute print_sums.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 321

def print_sums
  @print_sums
end

#print_title ⇒ Object (readonly)

Returns the value of attribute print_title.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def print_title
  @print_title
end

#print_with_gantt ⇒ Object (readonly)

Returns the value of attribute print_with_gantt.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def print_with_gantt
  @print_with_gantt
end

#right ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def right
  @right
end

#row_spacing ⇒ Object

Returns the value of attribute row_spacing.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 325

def row_spacing
  @row_spacing
end

#row_underline ⇒ Object (readonly)

Returns the value of attribute row_underline.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def row_underline
  @row_underline
end

#sum_font ⇒ Object

Returns the value of attribute sum_font.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 314

def sum_font
  @sum_font
end

#sum_line_width ⇒ Object (readonly)

Returns the value of attribute sum_line_width.



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 327

def sum_line_width
  @sum_line_width
end

#top ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def top
  @top
end

#width ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 302

def width
  @width
end

Instance Method Details

#lay_it(il) ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 328

def lay_it(il)
	if @current_height + il.row_height > @footer.y
		#page full
		page_full=true
		einfo("page full","printing")
		edebug("current_height: #{@current_height}, row.height: #{il.height}, footer_position: #{@footer.y}","printing")
		@current_height=@headers_height
		@page_n=@page_n+1
	end
	il.set_page(@page_n)
	il.set_y(@current_height).set_row_spacing(@row_spacing)
	@current_height=@current_height+il.row_height+2*@row_spacing
	@iter_layouts.push(il)
	edebug(il.inspect,"printing")
	page_full
end

#pango_height ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 348

def pango_height
	height * Pango::SCALE
end

#pango_width ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 345

def pango_width
	width * Pango::SCALE
end

#run_print_dialog ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 352

def run_print_dialog

	res = run(Gtk::PrintOperation::Action::PRINT_DIALOG, list.get_ancestor(Gtk::Window))
	einfo("return: "+
	case res
		when RESULT_ERROR
			"error"
		when RESULT_CANCEL
			"cancelled"
		when RESULT_APPLY
			"applied"
		when RESULT_IN_PROGRESS
			"in progress"
	end,"printing")
end

#to_s ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 367

def to_s;"<ListPrintOperation:#{@list.moditem["display"]}>";end