Class: MyPrintOperation

Inherits:
Gtk::PrintOperation
  • Object
show all
Includes:
Conf, ManqodCommon
Defined in:
lib/Print.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])

Constant Summary

Constants included from ManqodCommon

ManqodCommon::CRITICAL, ManqodCommon::DEBUG, ManqodCommon::ERROR, ManqodCommon::INFO, ManqodCommon::NORMAL, ManqodCommon::WARNING

Constants included from Eprint

Eprint::DOMAIN, Eprint::LEVEL

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ManqodCommon

#add_where, #admin, #admin_cache, #admin_qrow, #admin_rows, #backtrace_to_debug, #cache, #changed_ids_of_base, #client, #client_fields, #client_image_of_id, #client_qrow, #client_query, #client_rows, #eeval, #escape_string, #getBinding, #guess_base, #guess_table, #image_of_id, #lzero, #manqod_db, #measure, #myexec, #nick, #nick_id, #number_format, #qrow, #query, #reconnect_manqod_db, #rows, #run_events, #send_message, #sendmail, #set_manqod_db_uri, #set_nick

Methods included from Eprint

#ecode, #edebug, #eerror, #einfo, #enormal, #eprint, #ewarn, #gtk_set_edebug, #set_edebug, #tell_exception

Methods included from Conf

#get_conf, #load_conf, #save_conf, #set_conf

Constructor Details

#initialize(caller_object, moditemid, ids_to_print = nil) ⇒ MyPrintOperation

Returns a new instance of MyPrintOperation.



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# File 'lib/Print.rb', line 9

def initialize(caller_object,moditemid,ids_to_print=nil)
  @parentselected=nil
  @is_test=ids_to_print.nil?
  @caller_object=caller_object
  @ids_to_print=ids_to_print
  case caller_object.class.name 
    when 'MyEditableList' then @parentselected=caller_object.get_cursor_id
    when 'WysiwygPrintEditor'
    else
      edebug("unknown routing: "+caller_object.class.name,"printing","error")
  end
  @moditemid=moditemid
  if is_test?
    @moditem=qrow("select moditems.*,gtkprintpages.*,queries.sql from moditems left join queries on moditems.query_sql_id = queries.id left join gtkprintpages on moditems.id = gtkprintpages.moditem_id where moditems.id='#{@moditemid}'")
  else
    @moditem=admin.qrow("select moditems.*,gtkprintpages.*,queries.sql from moditems left join queries on moditems.query_sql_id = queries.id left join gtkprintpages on moditems.id = gtkprintpages.moditem_id where moditems.id='#{@moditemid}'")
  end
  super()
  set_show_progress(true)
  set_use_full_page(false)
  set_unit(Gtk::PaperSize::UNIT_POINTS)

  set_default_page_setup(Gtk::PageSetup.new)
  default_page_setup.paper_size=Gtk::PaperSize.new(@moditem["paper_size_name"])
  default_page_setup.orientation=case @moditem["orientation"]
    when "portrait" then Gtk::PrintSettings::PageOrientation::PORTRAIT
    when "reverse_portrait" then Gtk::PrintSettings::PageOrientation::REVERSE_PORTRAIT
    when "landscape" then Gtk::PrintSettings::PageOrientation::LANDSCAPE
    when "reverse_landscape" then Gtk::PrintSettings::PageOrientation::REVERSE_LANDSCAPE
    else Gtk::PrintSettings::PageOrientation::PORTRAIT
  end
  default_page_setup.set_left_margin(@moditem["left_margin"].to_f,Gtk::PaperSize::UNIT_MM) if !@moditem["left_margin"].nil?
  default_page_setup.set_right_margin(@moditem["right_margin"].to_f,Gtk::PaperSize::UNIT_MM) if !@moditem["right_margin"].nil?
  default_page_setup.set_top_margin(@moditem["top_margin"].to_f,Gtk::PaperSize::UNIT_MM) if !@moditem["top_margin"].nil?
  default_page_setup.set_bottom_margin(@moditem["bottom_margin"].to_f,Gtk::PaperSize::UNIT_MM) if !@moditem["bottom_margin"].nil?

  signal_connect("begin-print") { |pop, context|
    edebug("begin print","printing","info")
    cr = context.cairo_context
#     page_height=pop.default_page_setup.get_page_height(Gtk::PaperSize::UNIT_POINTS)
#     paper_height=pop.default_page_setup.get_paper_height(Gtk::PaperSize::UNIT_POINTS)
    @paper_height = context.page_setup.get_page_height(Gtk::PaperSize::UNIT_POINTS).to_f
    @paper_width = context.page_setup.get_page_width(Gtk::PaperSize::UNIT_POINTS).to_f

    @item_res=if is_test? then query("select * from gtkprintitems where printid='#{@moditemid}' order by page_number,y")
              else item_res=admin.query("select * from gtkprintitems where printid='#{@moditemid}' order by page_number,y") end
    @items_data=Array.new
    while itemdata=@item_res.fetch_hash()
      @items_data.push(itemdata.rehash)
    end
    @items_data_iter=nil
    @items=Array.new

    @sql=@moditem["sql"]
    @sql=@moditem["querysql"] if @moditem["querysql"].length>5
    if is_test?
      @sql="#{@sql} limit 1"
      myres=client.query(@sql)
    else
      myres=query(add_where(@sql,"#{guess_base(@sql)}.id in (#{@ids_to_print})"))
    end
    @myrows=Hash.new
    @row_num=0
    while myrow=myres.fetch_hash(true)
      @row_num+=1
      @myrows[@row_num]=myrow.rehash
    end

#     set_n_pages(@myrows.size*@pages.size)
    @page_n=0
    @current_row=1
    @current_page=0
    @page_shift=0
    @sublist_start_iter=nil
    pop.set_n_pages(@page_n)
  }
  
  signal_connect('paginate'){|pop,context|
    cr=context.cairo_context
    #start iterating PrintItems here
    @items_data_iter=@items_data.first if @items_data_iter.nil?

    if @items_data.include?(@items_data_iter)
      @items.push(i=PrintItem.new(self,@items_data_iter,cr))
      
      #start the broken sublist at top of page
      i.set_height(i.y+i.height).set_y(0) if @prev_extended and i.type?("list")

      i.set_txt(text_from_mysql(@myrows[current_row],@items_data_iter["txt"])).
        set_page_shift(@page_shift).
        set_start_iter(@sublist_start_iter).
        update
      #making sure page_n is max(i.page)
      @page_n=i.page if @page_n<i.page
      einfo("paginated: #{i}","printing")
      #list continuation
      @sublist_start_iter=i.next_iter
      @prev_extended=i.extended?
    end
    if @sublist_start_iter or i.extended?
      #we continue on next page
      @page_shift+=1
      einfo("sublist forced page_shift: #{@page_shift}","printing")
    end
    unless @sublist_start_iter
      #iterate through the raw data
      if @items_data_iter=@items_data[@items_data.index(@items_data_iter)+1]
        false
        else
        if @current_row<@row_num
          #next mysql row
          @current_row+=1
          @items_data_iter=@items_data.first
          @page_shift=@page_n+1
          einfo("page_shift: #{@page_shift}","printing")
          false
        else
          #finish, setting n_pages
          pop.set_n_pages(@page_n+1)
          edebug("finished paginating at #{pop.n_pages}","printing")
          true
        end
      end
    end
  }

  signal_connect('draw-page'){|pop,context,page_number|
    einfo("drawing page #{page_number+1}/#{pop.n_pages})","printing")
    cr = context.cairo_context
    @items.each{|item|
      cr.set_line_width(1)
      item.draw(cr) if item.page?(page_number) and !item.type?('image')
    }

    #workaround for the not printing text after an image in .ps
    @items.each{|item|
      edebug("drawing item #{item}","printing")
      item.draw(cr) if item.page?(page_number) and item.type?('image')
    }
  }

  self
end

Instance Attribute Details

#caller_object ⇒ Object

Returns the value of attribute caller_object.



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# File 'lib/Print.rb', line 152

def caller_object
  @caller_object
end

#current_row ⇒ Object

Returns the value of attribute current_row.



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# File 'lib/Print.rb', line 152

def current_row
  @current_row
end

#is_test ⇒ Object

Returns the value of attribute is_test.



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# File 'lib/Print.rb', line 152

def is_test
  @is_test
end

#moditemid ⇒ Object

Returns the value of attribute moditemid.



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# File 'lib/Print.rb', line 152

def moditemid
  @moditemid
end

#myrows ⇒ Object (readonly)

Returns the value of attribute myrows.



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# File 'lib/Print.rb', line 153

def myrows
  @myrows
end

#page_setup ⇒ Object

Returns the value of attribute page_setup.



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# File 'lib/Print.rb', line 152

def page_setup
  @page_setup
end

#pages ⇒ Object

Returns the value of attribute pages.



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# File 'lib/Print.rb', line 152

def pages
  @pages
end

#paper_height ⇒ Object (readonly)

Returns the value of attribute paper_height.



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# File 'lib/Print.rb', line 153

def paper_height
  @paper_height
end

#paper_width ⇒ Object (readonly)

Returns the value of attribute paper_width.



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# File 'lib/Print.rb', line 153

def paper_width
  @paper_width
end

#parentselected ⇒ Object

Returns the value of attribute parentselected.



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# File 'lib/Print.rb', line 152

def parentselected
  @parentselected
end

Instance Method Details

#is_test? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/Print.rb', line 196

def is_test?
  @is_test
end

#run(action) ⇒ Object 



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# File 'lib/Print.rb', line 155

def run(action)
  #set_n_pages(pages["page_count"].to_i)
# set_default_page_setup(page_setup)
  self.print_settings=Gtk::PrintSettings.new.deserialize(get_conf(moditemid,0,'print_settings'))
  run_events(@moditemid,'print-Action')
  super(action,caller_object.get_ancestor(Gtk::Window))
  set_conf(moditemid,0,'print_settings',print_settings.serialize)
end

#text_from_mysql(mydata, nt = text) ⇒ Object 



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# File 'lib/Print.rb', line 164

def text_from_mysql(mydata,nt=text)
  found=false
  rett=""
  while first=nt.index("{")
    found=true
    rett=rett+nt[0 .. first-1] if first-1>=0
    if last=nt[first .. nt.length].index("}")
      last=last+first
      datak=nt[first+1 .. last-1]
      if mydata.has_key?(datak)
        rett=rett+mydata[datak].to_s
        nt=nt[last+1 .. nt.length]
      else
        rett=rett+datak
        nt=nt[last+1 .. nt.length]
      end#if
    else
      nt=nt[first+1 .. nt.length]
      rett=rett+"{"+nt
    end#if
  end
  if found
    rett=rett+nt[1 .. nt.length] if nt.length>=1
  else
    rett=rett+nt if !nt.nil?
  end
  rett
end

#to_s ⇒ Object 



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# File 'lib/Print.rb', line 193

def to_s
  "<MyPrintOperation:#{@moditem["display"]}>"
end