gramps/gramps2/src/docgen/PdfDoc.py

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2002-10-20 19:55:16 +05:30
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000 Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#------------------------------------------------------------------------
#
# gramps modules
#
#------------------------------------------------------------------------
from TextDoc import *
import Plugins
import ImgManip
import intl
_ = intl.gettext
#------------------------------------------------------------------------
#
# ReportLab python/PDF modules
#
#------------------------------------------------------------------------
try:
import reportlab.platypus.tables
from reportlab.platypus import *
from reportlab.lib.units import cm
from reportlab.lib.colors import Color
from reportlab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY
import reportlab.lib.styles
except:
raise Plugins.MissingLibraries, _("The ReportLab modules are not installed")
#------------------------------------------------------------------------
#
# GrampsDocTemplate
#
#------------------------------------------------------------------------
class GrampsDocTemplate(BaseDocTemplate):
"""A document template for the ReportLab routines."""
def build(self,flowables):
"""Override the default build routine, to recalculate
for any changes in the document (margins, etc.)"""
self._calc()
BaseDocTemplate.build(self,flowables)
#------------------------------------------------------------------------
#
#
#
#------------------------------------------------------------------------
class PdfDoc(TextDoc):
def open(self,filename):
if filename[-4:] != ".pdf":
self.filename = "%s.pdf" % filename
else:
self.filename = filename
self.pagesize = (self.width*cm,self.height*cm)
self.doc = GrampsDocTemplate(self.filename,
pagesize=self.pagesize,
allowSplitting=1,
_pageBreakQuick=0,
leftMargin=self.lmargin*cm,
rightMargin=self.rmargin*cm,
topMargin=self.tmargin*cm,
bottomMargin=self.bmargin*cm)
frameT = Frame(0,0,self.width*cm,self.height*cm,
self.lmargin*cm, self.bmargin*cm,
self.rmargin*cm,self.tmargin*cm,
id='normal')
ptemp = PageTemplate(frames=frameT,pagesize=self.pagesize)
self.doc.addPageTemplates([ptemp])
self.pdfstyles = {}
for style_name in self.style_list.keys():
style = self.style_list[style_name]
font = style.get_font()
pdf_style = reportlab.lib.styles.ParagraphStyle(name=style_name)
pdf_style.fontSize = font.get_size()
pdf_style.bulletFontSize = font.get_size()
if font.get_type_face() == FONT_SERIF:
if font.get_bold():
if font.get_italic():
pdf_style.fontName = "Times-BoldItalic"
else:
pdf_style.fontName = "Times-Bold"
else:
if font.get_italic():
pdf_style.fontName = "Times-Italic"
else:
pdf_style.fontName = "Times-Roman"
else:
if font.get_bold():
if font.get_italic():
pdf_style.fontName = "Helvetica-BoldOblique"
else:
pdf_style.fontName = "Helvetica-Bold"
else:
if font.get_italic():
pdf_style.fontName = "Helvetica-Oblique"
else:
pdf_style.fontName = "Helvetica"
pdf_style.bulletFontName = pdf_style.fontName
right = style.get_right_margin()*cm
left = style.get_left_margin()*cm
first = left + style.get_first_indent()*cm
pdf_style.rightIndent = right
pdf_style.leftIndent = left
pdf_style.firstLineIndent = first
pdf_style.bulletIndent = first
align = style.get_alignment()
if align == PARA_ALIGN_RIGHT:
pdf_style.alignment = TA_RIGHT
elif align == PARA_ALIGN_LEFT:
pdf_style.alignment = TA_LEFT
elif align == PARA_ALIGN_CENTER:
pdf_style.alignment = TA_CENTER
else:
pdf_style.alignment = TA_JUSTIFY
pdf_style.spaceBefore = style.get_padding()
pdf_style.spaceAfter = style.get_padding()
pdf_style.textColor = make_color(font.get_color())
self.pdfstyles[style_name] = pdf_style
self.story = []
self.in_table = 0
def close(self):
self.doc.build(self.story)
def end_page(self):
self.story.append(PageBreak())
def start_paragraph(self,style_name,leader=None):
self.current_para = self.pdfstyles[style_name]
self.my_para = self.style_list[style_name]
if leader==None:
self.text = ''
else:
self.text = '<bullet>%s</bullet>' % leader
self.image = 0
def end_paragraph(self):
if self.in_table == 0 and self.image == 0:
self.story.append(Paragraph(self.text,self.current_para))
self.story.append(Spacer(1,0.5*cm))
else:
self.image = 0
def start_bold(self):
self.text = self.text + '<b>'
def end_bold(self):
self.text = self.text + '</b>'
def start_table(self,name,style_name):
self.in_table = 1
self.cur_table = self.table_styles[style_name]
self.row = -1
self.col = 0
self.cur_row = []
self.table_data = []
self.tblstyle = []
self.cur_table_cols = []
width = float(self.cur_table.get_width()/100.0) * self.get_usable_width()
for val in range(self.cur_table.get_columns()):
percent = float(self.cur_table.get_column_width(val))/100.0
self.cur_table_cols.append(int(width * percent * cm))
def end_table(self):
ts = reportlab.platypus.tables.TableStyle(self.tblstyle)
tbl = reportlab.platypus.tables.Table(data=self.table_data,
colWidths=self.cur_table_cols,
style=ts)
self.story.append(tbl)
self.in_table = 0
def start_row(self):
self.row = self.row + 1
self.col = 0
self.cur_row = []
def end_row(self):
self.table_data.append(self.cur_row)
def start_cell(self,style_name,span=1):
self.span = span
self.my_table_style = self.cell_styles[style_name]
pass
def end_cell(self):
if self.span == 1:
self.cur_row.append(Paragraph(self.text,self.current_para))
else:
self.cur_row.append(self.text)
for val in range(1,self.span):
self.cur_row.append("")
p = self.my_para
f = p.get_font()
if f.get_type_face() == FONT_SANS_SERIF:
if f.get_bold():
fn = 'Helvetica-Bold'
else:
fn = 'Helvetica'
else:
if f.get_bold():
fn = 'Times-Bold'
else:
fn = 'Times-Roman'
black = Color(0,0,0)
for inc in range(self.col,self.col+self.span):
loc = (inc,self.row)
self.tblstyle.append(('FONT', loc, loc, fn, f.get_size()))
if self.span == 1 or inc == self.col + self.span - 1:
if self.my_table_style.get_right_border():
self.tblstyle.append(('LINEAFTER', loc, loc, 1, black))
if self.span == 1 or inc == self.col:
if self.my_table_style.get_left_border():
self.tblstyle.append(('LINEBEFORE', loc, loc, 1, black))
if self.my_table_style.get_top_border():
self.tblstyle.append(('LINEABOVE', loc, loc, 1, black))
if self.my_table_style.get_bottom_border():
self.tblstyle.append(('LINEBELOW', loc, loc, 1, black))
if p.get_alignment() == PARA_ALIGN_LEFT:
self.tblstyle.append(('ALIGN', loc, loc, 'LEFT'))
elif p.get_alignment() == PARA_ALIGN_RIGHT:
self.tblstyle.append(('ALIGN', loc, loc, 'RIGHT'))
else:
self.tblstyle.append(('ALIGN', loc, loc, 'CENTER'))
self.tblstyle.append(('VALIGN', loc, loc, 'TOP'))
self.col = self.col + self.span
def add_photo(self,name,pos,x_cm,y_cm):
img = ImgManip.ImgManip(name)
x,y = img.size()
ratio = float(x_cm)*float(y)/(float(y_cm)*float(x))
if ratio < 1:
act_width = x_cm
act_height = y_cm*ratio
else:
act_height = y_cm
act_width = x_cm/ratio
self.story.append(Image(name,act_width*cm,act_height*cm))
self.story.append(Spacer(1,0.5*cm))
self.image = 1
def write_text(self,text):
text = string.replace(text,'&','&amp;'); # Must be first
text = string.replace(text,'<','&lt;');
text = string.replace(text,'>','&gt;');
self.text = self.text + text
#------------------------------------------------------------------------
#
# Convert an RGB color tulple to a Color instance
#
#------------------------------------------------------------------------
def make_color(color):
return Color(float(color[0])/255.0, float(color[1])/255.0,
float(color[2])/255.0)
#------------------------------------------------------------------------
#
# Register the document generator with the GRAMPS plugin system
#
#------------------------------------------------------------------------
Plugins.register_text_doc(
name=_("PDF"),
classref=PdfDoc,
table=1,
paper=1,
style=1
)