gramps/src/plugins/TimeLine.py
2003-04-18 04:15:42 +00:00

467 lines
15 KiB
Python

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2003 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
#
"""
Timeline report
"""
#------------------------------------------------------------------------
#
# python modules
#
#------------------------------------------------------------------------
import os
#------------------------------------------------------------------------
#
# GNOME/gtk
#
#------------------------------------------------------------------------
import gtk
#------------------------------------------------------------------------
#
# GRAMPS modules
#
#------------------------------------------------------------------------
import Utils
import Report
import TextDoc
import DrawDoc
import GenericFilter
import Errors
import Date
import FontScale
import sort
from QuestionDialog import ErrorDialog
from intl import gettext as _
#------------------------------------------------------------------------
#
# TimeLine
#
#------------------------------------------------------------------------
class TimeLine:
def __init__(self,database,person,output,document,filter,title,sort_func):
"""
Creates the Timeline object that produces the report. This class
is used by the TimelineDialog class. The arguments are:
database - the GRAMPS database
person - currently selected person
output - name of the output file
document - DrawDoc instance for the output file. Any class derived
from DrawDoc may be used.
filter - filtering function selected by the TimeLineDialog
class.
"""
self.d = document
self.filter = filter
self.db = database
self.person = person
self.output = output
self.title = title
self.sort_func = sort_func
def setup(self):
"""
Define the graphics styles used by the report. Paragraph definitions
have already been defined in the document. The styles used are:
grid - 0.5pt wide line dashed line. Used for the lines that make up
the grid.
line - 0.5pt wide line. Used for the line connecting two endpoints
and for the birth marker.
solid - 0.5pt line with a black fill color. Used for the date of
death marker.
text - Contains the Name paragraph style used for the individual's
name
title - Contains the Title paragraph style used for the title of
the document
label - Contains the Label paragraph style used for the year label's
in the document.
"""
g = DrawDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
self.d.add_draw_style("line",g)
g = DrawDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
g.set_fill_color((0,0,0))
self.d.add_draw_style("solid",g)
g = DrawDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
g.set_fill_color((255,255,255))
self.d.add_draw_style("open",g)
g = DrawDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_line_style(DrawDoc.DASHED)
g.set_color((0,0,0))
self.d.add_draw_style("grid",g)
g = DrawDoc.GraphicsStyle()
g.set_paragraph_style("Name")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
self.d.add_draw_style("text",g)
g = DrawDoc.GraphicsStyle()
g.set_paragraph_style("Title")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
self.d.add_draw_style("title",g)
g = DrawDoc.GraphicsStyle()
g.set_paragraph_style("Label")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
self.d.add_draw_style("label",g)
def write_report(self):
(low,high) = self.find_year_range()
st_size = self.name_size()
font = self.d.style_list['Name'].get_font()
incr = pt2cm(font.get_size())
pad = incr*.75
x1,x2,y1,y2 = (0,0,0,0)
start = st_size+0.5
stop = self.d.get_usable_width()-0.5
size = (stop-start)
self.header = 2.0
self.d.open(self.output)
self.d.start_page()
self.build_grid(low,high,start,stop)
index = 1
current = 1;
length = len(self.plist)
self.plist.sort(self.sort_func)
for p in self.plist:
b = p.getBirth().getDateObj().getYear()
d = p.getDeath().getDateObj().getYear()
n = p.getPrimaryName().getName()
self.d.draw_text('text',n,incr+pad,self.header + (incr+pad)*index)
y1 = self.header + (pad+incr)*index
y2 = self.header + ((pad+incr)*index)+incr
y3 = (y1+y2)/2.0
w = 0.05
if b != Date.UNDEF:
start_offset = ((float(b-low)/float(high-low)) * (size))
x1 = start+start_offset
path = [(x1,y1),(x1+w,y3),(x1,y2),(x1-w,y3)]
self.d.draw_path('line',path)
if d != Date.UNDEF:
start_offset = ((float(d-low)/float(high-low)) * (size))
x1 = start+start_offset
path = [(x1,y1),(x1+w,y3),(x1,y2),(x1-w,y3)]
self.d.draw_path('solid',path)
if b != Date.UNDEF and d != Date.UNDEF:
start_offset = ((float(b-low)/float(high-low)) * size) + w
stop_offset = ((float(d-low)/float(high-low)) * size) - w
x1 = start+start_offset
x2 = start+stop_offset
self.d.draw_line('open',x1,y3,x2,y3)
if (y2 + incr) >= self.d.get_usable_height():
if current != length:
self.d.end_page()
self.d.start_page()
self.build_grid(low,high,start,stop)
index = 1
x1,x2,y1,y2 = (0,0,0,0)
else:
index += 1;
current += 1
self.d.end_page()
self.d.close()
def build_grid(self,year_low,year_high,start_pos,stop_pos):
"""
Draws the grid outline for the chart. Sets the document label,
draws the vertical lines, and adds the year labels. Arguments
are:
year_low - lowest year on the chart
year_high - highest year on the chart
start_pos - x position of the lowest leftmost grid line
stop_pos - x position of the rightmost grid line
"""
width = self.d.get_usable_width()
title_font = self.d.style_list['Title'].get_font()
normal_font = self.d.style_list['Name'].get_font()
label_font = self.d.style_list['Name'].get_font()
tstr_width = pt2cm(FontScale.string_width(title_font,self.title))
title_x = (width - tstr_width )/2.0
title_y = 0
self.d.draw_text('title',self.title,title_x,title_y)
label_y = self.header - (pt2cm(normal_font.get_size())*1.2)
top_y = self.header
bottom_y = self.d.get_usable_height()
incr = (year_high - year_low)/5
delta = (stop_pos - start_pos)/ 5
for val in range(0,6):
year_str = str(year_low + (incr*val))
year_width = pt2cm(FontScale.string_width(label_font,year_str))/2.0
xpos = start_pos+(val*delta)
label_xpos = start_pos+(val*delta) - year_width
self.d.draw_text('label', year_str, label_xpos, label_y)
self.d.draw_line('grid', xpos, top_y, xpos, bottom_y)
def find_year_range(self):
low = 999999
high = -999999
self.plist = self.filter.apply(self.db,self.db.getPersonMap().values())
for p in self.plist:
b = p.getBirth().getDateObj().getYear()
d = p.getDeath().getDateObj().getYear()
if b != Date.UNDEF:
low = min(low,b)
high = max(high,b)
if d != Date.UNDEF:
low = min(low,d)
high = max(high,d)
low = (low/10)*10
high = ((high+9)/10)*10
if low == Date.UNDEF:
low = high
if high == Date.UNDEF:
high = low
return (low,high)
def name_size(self):
self.plist = self.filter.apply(self.db,self.db.getPersonMap().values())
style_name = self.d.draw_styles['text'].get_paragraph_style()
font = self.d.style_list[style_name].get_font()
size = 0
for p in self.plist:
n = p.getPrimaryName().getName()
size = max(FontScale.string_width(font,n),size)
return pt2cm(size)
#------------------------------------------------------------------------
#
# TimeLineDialog
#
#------------------------------------------------------------------------
class TimeLineDialog(Report.DrawReportDialog):
def __init__(self,database,person):
Report.DrawReportDialog.__init__(self,database,person)
def get_title(self):
"""The window title for this dialog"""
return "%s - %s - GRAMPS" % (_("Timeline"),
_("Graphical Reports"))
def get_stylesheet_savefile(self):
"""Where to save user defined styles for this report."""
return "timeline.xml"
def get_target_browser_title(self):
"""The title of the window created when the 'browse' button is
clicked in the 'Save As' frame."""
return _("Timeline File")
def get_report_generations(self):
"""No generation options."""
return (0, 0)
def add_user_options(self):
"""
Override the base class add_user_options task to add a menu that allows
the user to select the sort method.
"""
self.sort_style = gtk.OptionMenu()
self.sort_menu = gtk.Menu()
for item in [(_("Birth Date"),sort.by_birthdate),(_("Name"),sort.by_last_name)]:
menuitem = gtk.MenuItem(item[0])
menuitem.set_data('sort',item[1])
menuitem.show()
self.sort_menu.append(menuitem)
self.sort_style.set_menu(self.sort_menu)
self.add_option(_('Sort by'),self.sort_style)
self.title_box = gtk.Entry()
self.title_box.show()
self.add_option(_('Title'),self.title_box)
def get_report_filters(self):
"""Set up the list of possible content filters."""
name = self.person.getPrimaryName().getName()
all = GenericFilter.GenericFilter()
all.set_name(_("Entire Database"))
all.add_rule(GenericFilter.Everyone([]))
des = GenericFilter.GenericFilter()
des.set_name(_("Descendants of %s") % name)
des.add_rule(GenericFilter.IsDescendantOf([self.person.getId()]))
ans = GenericFilter.GenericFilter()
ans.set_name(_("Ancestors of %s") % name)
ans.add_rule(GenericFilter.IsAncestorOf([self.person.getId()]))
com = GenericFilter.GenericFilter()
com.set_name(_("People with common ancestor with %s") % name)
com.add_rule(GenericFilter.HasCommonAncestorWith([self.person.getId()]))
return [all,des,ans,com]
def make_default_style(self):
"""Make the default output style for the Timeline report."""
f = TextDoc.FontStyle()
f.set_size(10)
f.set_type_face(TextDoc.FONT_SANS_SERIF)
p = TextDoc.ParagraphStyle()
p.set_font(f)
p.set_description(_("The style used for the person's name."))
self.default_style.add_style("Name",p)
f = TextDoc.FontStyle()
f.set_size(8)
f.set_type_face(TextDoc.FONT_SANS_SERIF)
p = TextDoc.ParagraphStyle()
p.set_font(f)
p.set_description(_("The style used for the year labels."))
self.default_style.add_style("Label",p)
f = TextDoc.FontStyle()
f.set_size(14)
f.set_type_face(TextDoc.FONT_SANS_SERIF)
p = TextDoc.ParagraphStyle()
p.set_font(f)
p.set_description(_("The style used for the title of the page."))
self.default_style.add_style("Title",p)
def make_report(self):
title = self.title_box.get_text()
sort_func = self.sort_menu.get_active().get_data('sort')
try:
MyReport = TimeLine(self.db, self.person, self.target_path,
self.doc, self.filter, title, sort_func)
MyReport.setup()
MyReport.write_report()
except Errors.ReportError, msg:
ErrorDialog(str(msg))
except:
import DisplayTrace
DisplayTrace.DisplayTrace()
#------------------------------------------------------------------------
#
# point to centimeter convertion
#
#------------------------------------------------------------------------
def pt2cm(val):
return (float(val)/28.3465)
#------------------------------------------------------------------------
#
# Register the TimeLine report with the plugin system. The register_report
# task of the Plugins module takes the following arguments.
#
# task - function that starts the task
# name - Name of the report
# status - alpha/beta/production
# category - Category entry in the menu system.
# author_name - Name of the author
# author_email - Author's email address
# description - function that returns the description of the report
#
#------------------------------------------------------------------------
from Plugins import register_report
def report(database,person):
"""
report - task starts the report. The plugin system requires that the
task be in the format of task that takes a database and a person as
its arguments.
"""
TimeLineDialog(database,person)
def get_description():
"""
get_description - returns a descriptive name for the report. The plugin
system uses this to provide a description in the report selector.
"""
return _("Generates a timeline graph.")
register_report(
task=report,
name=_("Timeline Graph"),
status=(_("Beta")),
category=_("Graphical Reports"),
author_name="Donald N. Allingham",
author_email="dallingham@users.sourceforge.net",
description=get_description()
)