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") || 0.3).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)
      @child_columns_header.draw(cr) if child_list
      @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 286

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 297

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 311

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 300

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 294

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 302

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 301

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 299

def child_sum_font
  @child_sum_font
end

#column_pos ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 310

def column_spacing
  @column_spacing
end

#column_width ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 303

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 293

def columns_header_font
  @columns_header_font
end

#custom_page_setup ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 296

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 288

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 290

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 287

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 308

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 295

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 306

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 311

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 292

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 308

def header_line_width
  @header_line_width
end

#height ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

def height
  @height
end

#left ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 289

def line_above_parent
  @line_above_parent
end

#list ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 291

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 304

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 305

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 311

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 311

def print_with_gantt
  @print_with_gantt
end

#right ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

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 309

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 311

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 298

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 311

def sum_line_width
  @sum_line_width
end

#top ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

def top
  @top
end

#width ⇒ Object

initialize



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 286

def width
  @width
end

Instance Method Details

#lay_it(il) ⇒ Object 



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

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)
  @current_height=@current_height+il.row_height+@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 332

def pango_height
  height * Pango::SCALE
end

#pango_width ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 329

def pango_width
  width * Pango::SCALE
end

#run_print_dialog ⇒ Object 



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# File 'lib/ListHolder/EditableList/ListPrintOperation.rb', line 336

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 351

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