514 lines
18 KiB
Python
514 lines
18 KiB
Python
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2004 Donald N. Allingham
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#
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# Modifications and feature additions:
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# 2002 Donald A. Peterson
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""LPR document generator"""
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#------------------------------------------------------------------------
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#
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# python modules
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#
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#------------------------------------------------------------------------
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import string
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import pygtk
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import gnomeprint, gnomeprint.ui, gtk
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#------------------------------------------------------------------------
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#
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# gramps modules
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#
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#------------------------------------------------------------------------
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import BaseDoc
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import Plugins
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import ImgManip
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from gettext import gettext as _
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#------------------------------------------------------------------------
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#
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# Paragraph Handling
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#
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#------------------------------------------------------------------------
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#------------------------------------------------------------------------
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#
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# Units conversion
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#
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#------------------------------------------------------------------------
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def cm(unit):
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"""
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Convert gnome-print units to cm
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"""
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return 2.54 * unit / 72.0
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def unit(cms):
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"""
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Convert cms to gnome-print units
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"""
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return cms * 72.0 / 2.54
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#------------------------------------------------------------------------
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#
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# LPRDoc
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#
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#------------------------------------------------------------------------
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class LPRDoc(BaseDoc.BaseDoc):
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"""Gnome-print document interface class. Derived from BaseDoc"""
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def open(self,filename):
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"""Sets up initialization"""
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#set up variables needed to keep track of which state we are in
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self.__in_table=0
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self.__in_cell=0
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self.__in_paragraph=0
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self.__page_count=0
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self.__page_open=0
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self.__paragraph_data=""
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self.__cell_data=""
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self.__table_data=[]
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#create main variables for this print job
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self.__job = gnomeprint.Job(gnomeprint.config_default())
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self.__pc = self.__job.get_context()
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#find out what the width and height of the page is
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__width, __height =gnomeprint.job_get_page_size_from_config(self.__job.get_config())
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self.__left_margin=__width*0.1
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self.__right_margin=__width*0.9
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self.__top_margin=__height*0.9
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self.__bottom_margin=__height*0.1
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#set what fonts we will use
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self.__regular_font=gnomeprint.font_find_closest("Serif Regular", 10)
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self.__bold_font=gnomeprint.font_find_closest("Serif Bold", 10)
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self.__font=self.__regular_font
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self.start_page(self)
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def close(self):
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"""Clean up and close the document"""
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#print "close doc"
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#gracefully end page before we close the doc if a page is open
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if self.__page_open:
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self.end_page()
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self.__job.close()
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self.__show_print_dialog()
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def line_break(self):
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"Forces a line break within a paragraph"
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self.__advance_line(self.__y)
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def page_break(self):
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"Forces a page break, creating a new page"
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self.start_page()
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def start_page(self,orientation=None):
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"""Create a new page"""
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#print "begin page"
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#reset variables dealing with opening a page
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if (self.__page_open):
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self.end_page()
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self.__page_open=1
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self.__page_count+=1
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self.__x=self.__left_margin
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self.__y=self.__top_margin
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self.__pc.beginpage(str(self.__page_count))
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self.__pc.setfont(self.__font)
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self.__pc.moveto(self.__x, self.__y)
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def end_page(self):
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"""Close the current page"""
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#print "end page"
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if (self.__page_open):
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self.__page_open=0
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self.__pc.showpage()
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def start_paragraph(self,style_name,leader=None):
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"""Paragraphs handling - A Gramps paragraph is any
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single body of text, from a single word, to several sentences.
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We assume a linebreak at the end of each paragraph."""
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#print "start paragraph"
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#set paragraph variables so we know that we are in a paragraph
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self.__in_paragraph=1
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self.__paragraph_data=""
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def end_paragraph(self):
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"""End the current paragraph"""
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#print "end paragraph"
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self.__in_paragraph=0
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#print text in paragraph if any data exists
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if len(self.__paragraph_data) > 0:
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self.__x, self.__y=self.__print_text(self.__paragraph_data,
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self.__x, self.__y,
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self.__left_margin,
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self.__right_margin)
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self.__paragraph_data=""
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self.__y=self.__advance_line(self.__y)
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def start_bold(self):
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"""Bold face"""
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#print "start bold"
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self.__font=self.__bold_font
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self.__pc.setfont(self.__font)
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def end_bold(self):
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"""End bold face"""
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#print "end bold"
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self.__font=self.__regular_font
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self.__pc.setfont(self.__font)
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def start_superscript(self):
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pass
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def end_superscript(self):
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pass
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def start_listing(self,style_name):
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"""
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Starts a new listing block, using the specified style name.
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style_name - name of the ParagraphStyle to use for the block.
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"""
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pass
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def end_listing(self):
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pass
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def start_table(self,name,style_name):
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"""Begin new table"""
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#print "start table"
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#reset variables for this state
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self.__table_data=[]
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self.__in_table=1
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def end_table(self):
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"""Close the table environment"""
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#print "end table"
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#output table contents
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self.__output_table()
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self.__in_table=0
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self.__y=self.__advance_line(self.__y)
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def start_row(self):
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"""Begin a new row"""
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# doline/skipfirst are flags for adding hor. rules
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#print "start row"
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#reset this state, so we can get data from user
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self.__row_data=[]
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def end_row(self):
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"""End the row (new line)"""
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#print "end row"
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#add row data to the data we have for the current table
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self.__table_data.append(self.__row_data)
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def start_cell(self,style_name,span=1):
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"""Add an entry to the table.
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We always place our data inside braces
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for safety of formatting."""
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#print "start cell"
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#reset this state
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self.__in_cell=1
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self.__cell_data=""
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def end_cell(self):
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"""Prepares for next cell"""
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#print "end cell"
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#append the cell text to the row data
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self.__in_cell=0
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self.__row_data.append(self.__cell_data)
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def add_photo(self,name,pos,x,y):
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"""Add photo to report"""
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#print "add photo"
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def horizontal_line(self):
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self.__pc.moveto(self.__x, self.__y)
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self.__pc.lineto(self.__right_margin, self.__y)
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def write_cmdstr(self,text):
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"""
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Writes the text in the current paragraph. Should only be used after a
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start_paragraph and before an end_paragraph.
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text - text to write.
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"""
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if self__in_paragraph != 1:
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self.start_paragraph()
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self.write(text)
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def draw_arc(self,style,x1,y1,x2,y2,angle,extent):
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pass
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def draw_path(self,style,path):
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pass
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def draw_box(self,style,text,x,y):
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#assuming that we start drawing box from current position
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__width=x-self.__x
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__height=y-self.__y
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self.__pc.rect_stroked(self.__x, self.__y)
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if text != None:
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__text_width=self.__get_text_width(text)
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#try to center text in box
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self.__pc.moveto(self.__x+(__width/2)-(__text_width/2),
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self.__y+(__height/2))
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self.__pc.show(text)
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def write_at (self, style, text, x, y):
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self.__pc.moveto(x, y)
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self.__pc.show(text)
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def draw_bar(self, style, x1, y1, x2, y2):
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self.__pc.moveto(x1, y1)
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self.__pc.lineto(x2, y2)
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def draw_text(self,style,text,x1,y1):
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self.__pc.moveto(x1,y1)
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self.__pc.show(text)
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def center_text(self,style,text,x1,y1):
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#not sure how x1, y1 fit into this
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#should we assume x1 y1 is the starting location
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#and that the right margin is the right edge?
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__width=self.get_text_width(text)
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__center=self.__right_margin-self.__left_margin
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__center-=__width/2
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self.__pc.moveto(__center, self.__y)
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self.__pc.show(text)
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def rotate_text(self,style,text,x,y,angle):
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pass
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def draw_line(self,style,x1,y1,x2,y2):
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self.__pc.line_stroked(x1,y1,x2,y2)
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def write_text(self,text):
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"""Write the text to the file"""
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#print "write text"
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#if we are in a cell add this text to cell_data
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if self.__in_cell:
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self.__cell_data=self.__cell_data+str(text)
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return
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#if we are in a paragraph add this text to the paragraph data
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if self.__in_paragraph:
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self.__paragraph_data=self.__paragraph_data+str(text)
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return
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#if we are at the bottom of the page, create a new page
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if self.__y < self.__bottom_margin:
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self.end_page()
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self.start_page()
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#output data if we get this far (we are not in a paragaph or
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#a table)
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self.__x, self.__y=self.__print_text(text, self.__x, self.__y,
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self.__left_margin, self.__right_margin)
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#self.__y=self.__advance_line(self.__y)
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#function to help us advance a line
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def __advance_line(self, y):
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return y-20
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#function to determine the width of text
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def __text_width(self, text):
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return self.__font.get_width_utf8(text)
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#this function tells us the minimum size that a column can be
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#by returning the width of the largest word in the text
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def __min_column_size (self, text):
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__textlist=string.split(text, " ")
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__max_word_size=0
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for __word in __textlist:
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__length=self.__text_width(__word+" "*3)
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if __length > __max_word_size:
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__max_word_size=__length
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return __max_word_size
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#function to print out text between left_margin and right_margin
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#at position y on page
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def __print_text(self, text, x, y, left_margin, right_margin):
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__width=right_margin-left_margin
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#all text will fit within the width provided
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if __width >= self.__text_width(text):
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self.__pc.moveto(left_margin, y)
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x=left_margin+self.__text_width(text)
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self.__pc.show(text)
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y=self.__advance_line(y)
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else:
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#divide up text and print
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__textlist=string.split(text, " ")
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__text=""
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for __element in __textlist:
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if self.__text_width(__text+__element+" ") < __width:
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__text=__text+__element+" "
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else:
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#__text contains as many words as this __width allows
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self.__pc.moveto(left_margin, y)
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self.__pc.show(__text)
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__text=__element+" "
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y=self.__advance_line(y)
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#if not in table and cursor is below bottom margin
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if self.__in_table==0 and y < self.__bottom_margin:
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self.end_page()
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self.start_page()
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x=self.__x
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y=self.__y
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#if __text still contains data, we will want to print it out
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if len(__text) > 0:
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self.__pc.moveto(left_margin, y)
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self.__pc.show(__text)
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y=self.__advance_line(y)
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return (x,y)
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def __output_table(self):
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"""do calcs on data in table and output data in a formatted way"""
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__max_col_size=[0]*100
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__min_col_size=[0]*100
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for __row in self.__table_data:
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#do calcs on each __row and keep track on max length of each column
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for __col in range(0,len(__row)):
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__row[__col]=__row[__col]+" "*3;
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if __max_col_size[__col] < self.__text_width(__row[__col]):
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__max_col_size[__col]=self.__text_width(__row[__col])
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__min_col_size[__col]=self.__min_column_size(__row[__col])
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#now we have an idea of the max size of each column
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#now output data in the table
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#find total width that the table needs to be.
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#later this value may be used to cut the longest columns down
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#so that data fits on the width of the page
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__total_table_width=0
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for __value in __max_col_size:
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__total_table_width+=__value
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#is table width larger than the width of the paper?
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if __total_table_width > (self.__right_margin - self.__left_margin):
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#figure out the largest our table can be to fit on a page
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__width=self.__right_margin - self.__left_margin
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#find out how much larger our table is than what is allowed
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__extra_length=__total_table_width - __width
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#for each column, substract the extra width off so that
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#each column gets deduced a width determined by its
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#size compared to the other columns
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#(larger columns get more taken off, smaller columns get
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# less width taken off)
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while __extra_length > 1:
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print __extra_length
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for __col in range(0, len(__max_col_size)):
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if __extra_length<=1: break
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if __max_col_size[__col] > __min_col_size[__col]:
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__temp=__max_col_size[__col]-(__max_col_size[__col]/__total_table_width)*__extra_length
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if __temp >= __min_col_size[__col]:
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__max_col_size[__col]=__temp
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__total_table_width=0
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for __value in __max_col_size:
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__total_table_width+=__value
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__extra_length=__total_table_width - __width
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#for now we will assume left justification of tables
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#output data in table
|
||
|
__min_y=self.__y #need to keep track of tallest column of
|
||
|
#text in each row
|
||
|
for __row in self.__table_data:
|
||
|
__x=self.__left_margin #reset so that x is at margin
|
||
|
for __col in range(0,len(__row)):
|
||
|
__nothing, __y=self.__print_text(__row[__col],
|
||
|
self.__x, self.__y,
|
||
|
__x, __x+__max_col_size[__col])
|
||
|
|
||
|
__x=__x+__max_col_size[__col] # set up margin for this row
|
||
|
if __y < __min_y: # if we go below current lowest
|
||
|
__min_y=__y # column
|
||
|
|
||
|
self.__y=__min_y #reset so that we do not overwrite
|
||
|
|
||
|
#see if we are about to go off the page, if so, create new page
|
||
|
if self.__y < self.__bottom_margin:
|
||
|
self.end_page()
|
||
|
self.start_page()
|
||
|
__min_y=self.__y
|
||
|
|
||
|
#function to print text to a printer
|
||
|
def __do_print(self,dialog, job):
|
||
|
__pc = gnomeprint.Context(dialog.get_config())
|
||
|
job.render(__pc)
|
||
|
__pc.close()
|
||
|
|
||
|
#I believe this is a print preview
|
||
|
def __show_preview(self, dialog):
|
||
|
__w = gnomeprint.ui.JobPreview(self.__job, _("Print Preview"))
|
||
|
__w.set_property('allow-grow', 1)
|
||
|
__w.set_property('allow-shrink', 1)
|
||
|
__w.set_transient_for(dialog)
|
||
|
__w.show_all()
|
||
|
|
||
|
#function used to get users response and do a certain
|
||
|
#action depending on that response
|
||
|
def __print_dialog_response(self, dialog, resp, job):
|
||
|
if resp == gnomeprint.ui.DIALOG_RESPONSE_PREVIEW:
|
||
|
self.__show_preview(dialog)
|
||
|
elif resp == gnomeprint.ui.DIALOG_RESPONSE_CANCEL:
|
||
|
dialog.destroy()
|
||
|
elif resp == gnomeprint.ui.DIALOG_RESPONSE_PRINT:
|
||
|
self.__do_print(dialog, self.__job)
|
||
|
dialog.destroy()
|
||
|
|
||
|
#function displays a window that allows user to choose
|
||
|
#to print, show, etc
|
||
|
def __show_print_dialog(self):
|
||
|
__dialog = gnomeprint.ui.Dialog(self.__job, _("Print..."), 0)
|
||
|
__dialog.connect('response', self.__print_dialog_response, self.__job)
|
||
|
__dialog.show()
|
||
|
|
||
|
#------------------------------------------------------------------------
|
||
|
#
|
||
|
# Register the document generator with the system
|
||
|
#
|
||
|
#------------------------------------------------------------------------
|
||
|
Plugins.register_text_doc(
|
||
|
name=_("Print..."),
|
||
|
classref=LPRDoc,
|
||
|
table=1,
|
||
|
paper=1,
|
||
|
style=0,
|
||
|
ext=""
|
||
|
)
|