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203d765bdc
gramps/src/plugins/TimeLine.py
Alex Roitman 1cb5f1fa9b * src/FilterEditor/_FilterEditor.py (close): Override parent's close. 
* src/Filters/_FilterMenu.py (build_filter_menu,
	build_filter_model): Import Custom and System filters when needed.
	* src/plugins/Calendar.py (get_filters): Import Custom
	filters when needed.
	* src/plugins/GraphViz.py (get_report_filters): Import Custom
	filters when needed.
	* src/plugins/IndivComplete.py (get_report_filters): Import Custom
	filters when needed.
	* src/plugins/NarrativeWeb.py (get_report_filters): Import Custom
	filters when needed.
	* src/plugins/StatisticsChart.py (get_report_filters): Import Custom
	filters when needed.
	* src/plugins/TimeLine.py (get_report_filters): Import Custom
	filters when needed.


svn: r7231
2006-08-22 05:28:55 +00:00

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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2003-2006 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
#
# $Id$
"""
Timeline report
"""
#------------------------------------------------------------------------
#
# python modules
#
#------------------------------------------------------------------------
from TransUtils import sgettext as _
#------------------------------------------------------------------------
#
# GNOME/gtk
#
#------------------------------------------------------------------------
import gtk
#------------------------------------------------------------------------
#
# GRAMPS modules
#
#------------------------------------------------------------------------
from PluginUtils import register_report
from ReportBase import Report, ReportUtils, ReportOptions, \
CATEGORY_DRAW, MODE_GUI, MODE_BKI, MODE_CLI
pt2cm = ReportUtils.pt2cm
import BaseDoc
from Filters import GenericFilter, Rules
import Sort
from QuestionDialog import ErrorDialog
import NameDisplay
#------------------------------------------------------------------------
#
# TimeLine
#
#------------------------------------------------------------------------
class TimeLine(Report):
def __init__(self,database,person,options_class):
"""
Creates the Timeline object that produces the report.
The arguments are:
database - the GRAMPS database instance
person - currently selected person
options_class - instance of the Options class for this report
This report needs the following parameters (class variables)
that come in the options class.
filter - Filter to be applied to the people of the database.
The option class carries its number, and the function
returning the list of filters.
sort_func - function used to sort entries, that returns -1/0/1
when given two personal handles (like cmp).
The option class carries its number, and the function
returning the list of sort functions.
"""
Report.__init__(self,database,person,options_class)
filter_num = options_class.get_filter_number()
filters = options_class.get_report_filters(person)
self.filter = filters[filter_num]
name = NameDisplay.displayer.display_formal(person)
self.title = _("Timeline Graph for %s") % name
sort_func_num = options_class.handler.options_dict['sortby']
sort_functions = options_class.get_sort_functions(Sort.Sort(database))
self.sort_func = sort_functions[sort_func_num][1]
def define_graphics_styles(self):
"""
Define the graphics styles used by the report. Paragraph definitions
have already been defined in the document. The styles used are:
TLG-grid - 0.5pt wide line dashed line. Used for the lines that make up
the grid.
TLG-line - 0.5pt wide line. Used for the line connecting two endpoints
and for the birth marker.
TLG-solid - 0.5pt line with a black fill color. Used for the date of
death marker.
TLG-text - Contains the TLG-Name paragraph style used for the individual's
name
TLG-title - Contains the TLG-Title paragraph style used for the title of
the document
TLG-label - Contains the TLG-Label paragraph style used for the year label's
in the document.
"""
g = BaseDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
self.doc.add_draw_style("TLG-line",g)
g = BaseDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
g.set_fill_color((0,0,0))
self.doc.add_draw_style("TLG-solid",g)
g = BaseDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_color((0,0,0))
g.set_fill_color((255,255,255))
self.doc.add_draw_style("open",g)
g = BaseDoc.GraphicsStyle()
g.set_line_width(0.5)
g.set_line_style(BaseDoc.DASHED)
g.set_color((0,0,0))
self.doc.add_draw_style("TLG-grid",g)
g = BaseDoc.GraphicsStyle()
g.set_paragraph_style("TLG-Name")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
self.doc.add_draw_style("TLG-text",g)
g = BaseDoc.GraphicsStyle()
g.set_paragraph_style("TLG-Title")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
g.set_width(self.doc.get_usable_width())
self.doc.add_draw_style("TLG-title",g)
g = BaseDoc.GraphicsStyle()
g.set_paragraph_style("TLG-Label")
g.set_color((255,255,255))
g.set_fill_color((255,255,255))
g.set_line_width(0)
self.doc.add_draw_style("TLG-label",g)
def write_report(self):
(low,high) = self.find_year_range()
if low == high:
if self.standalone:
self.doc.close()
ErrorDialog(_("Report could not be created"),
_("The range of dates chosen was not valid"))
return
st_size = self.name_size()
font = self.doc.style_list['TLG-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.doc.get_usable_width()-0.5
size = (stop-start)
self.header = 2.0
self.doc.start_page()
index = 1
current = 1;
length = len(self.plist)
self.plist.sort(self.sort_func)
for p_id in self.plist:
p = self.database.get_person_from_handle(p_id)
b_ref = p.get_birth_ref()
if b_ref:
birth = self.database.get_event_from_handle(b_ref.ref)
b = birth.get_date_object().get_year()
else:
b = None
d_ref = p.get_death_ref()
if d_ref:
death = self.database.get_event_from_handle(d_ref.ref)
d = death.get_date_object().get_year()
else:
d = None
n = p.get_primary_name().get_name()
self.doc.draw_text('TLG-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:
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.doc.draw_path('TLG-line',path)
if d:
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.doc.draw_path('TLG-solid',path)
if b and d:
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.doc.draw_line('open',x1,y3,x2,y3)
if (y2 + incr) >= self.doc.get_usable_height():
if current != length:
self.build_grid(low,high,start,stop)
self.doc.end_page()
self.doc.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.build_grid(low,high,start,stop)
self.doc.end_page()
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.doc.get_usable_width()
title_font = self.doc.style_list['TLG-Title'].get_font()
normal_font = self.doc.style_list['TLG-Name'].get_font()
label_font = self.doc.style_list['TLG-Label'].get_font()
self.doc.center_text('TLG-title',self.title,width/2.0,0)
label_y = self.header - (pt2cm(normal_font.get_size())*1.2)
top_y = self.header
bottom_y = self.doc.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))
xpos = start_pos+(val*delta)
self.doc.center_text('TLG-label', year_str, xpos, label_y)
self.doc.draw_line('TLG-grid', xpos, top_y, xpos, bottom_y)
def find_year_range(self):
low = 999999
high = -999999
self.plist = self.filter.apply(self.database,
self.database.get_person_handles(sort_handles=False))
for p_id in self.plist:
p = self.database.get_person_from_handle(p_id)
b_ref = p.get_birth_ref()
if b_ref:
birth = self.database.get_event_from_handle(b_ref.ref)
b = birth.get_date_object().get_year()
else:
b = None
d_ref = p.get_death_ref()
if d_ref:
death = self.database.get_event_from_handle(d_ref.ref)
d = death.get_date_object().get_year()
else:
d = None
if b:
low = min(low,b)
high = max(high,b)
if d:
low = min(low,d)
high = max(high,d)
# round the dates to the nearest decade
low = int((low/10))*10
high = int(((high+9)/10))*10
# Make sure the difference is a multiple of 50 so all year ranges land
# on a decade.
low -= 50 - ((high-low) % 50)
if low == None:
low = high
if high == None:
high = low
return (low,high)
def name_size(self):
self.plist = self.filter.apply(self.database,
self.database.get_person_handles(sort_handles=False))
style_name = self.doc.draw_styles['TLG-text'].get_paragraph_style()
font = self.doc.style_list[style_name].get_font()
size = 0
for p_id in self.plist:
p = self.database.get_person_from_handle(p_id)
n = p.get_primary_name().get_name()
size = max(self.doc.string_width(font,n),size)
return pt2cm(size)
#------------------------------------------------------------------------
#
#
#
#------------------------------------------------------------------------
class TimeLineOptions(ReportOptions):
"""
Defines options and provides handling interface.
"""
def __init__(self,name,person_id=None):
ReportOptions.__init__(self,name,person_id)
def set_new_options(self):
# Options specific for this report
self.options_dict = {
'sortby' : 0,
}
self.options_help = {
'sortby' : ("=num","Number of a sorting function",
[item[0] for item in
self.get_sort_functions(Sort.Sort(None))],
True),
}
def enable_options(self):
# Semi-common options that should be enabled for this report
self.enable_dict = {
'filter' : 0,
}
def make_default_style(self,default_style):
"""Make the default output style for the Timeline report."""
f = BaseDoc.FontStyle()
f.set_size(10)
f.set_type_face(BaseDoc.FONT_SANS_SERIF)
p = BaseDoc.ParagraphStyle()
p.set_font(f)
p.set_description(_("The style used for the person's name."))
default_style.add_style("TLG-Name",p)
f = BaseDoc.FontStyle()
f.set_size(8)
f.set_type_face(BaseDoc.FONT_SANS_SERIF)
p = BaseDoc.ParagraphStyle()
p.set_font(f)
p.set_alignment(BaseDoc.PARA_ALIGN_CENTER)
p.set_description(_("The style used for the year labels."))
default_style.add_style("TLG-Label",p)
f = BaseDoc.FontStyle()
f.set_size(14)
f.set_type_face(BaseDoc.FONT_SANS_SERIF)
p = BaseDoc.ParagraphStyle()
p.set_font(f)
p.set_alignment(BaseDoc.PARA_ALIGN_CENTER)
p.set_description(_("The style used for the title of the page."))
default_style.add_style("TLG-Title",p)
def get_report_filters(self,person):
"""Set up the list of possible content filters."""
if person:
name = person.get_primary_name().get_name()
gramps_id = person.get_gramps_id()
else:
name = 'PERSON'
gramps_id = ''
all = GenericFilter()
all.set_name(_("Entire Database"))
all.add_rule(Rules.Person.Everyone([]))
des = GenericFilter()
des.set_name(_("Descendants of %s") % name)
des.add_rule(Rules.Person.IsDescendantOf([gramps_id,1]))
ans = GenericFilter()
ans.set_name(_("Ancestors of %s") % name)
ans.add_rule(Rules.Person.IsAncestorOf([gramps_id,1]))
com = GenericFilter()
com.set_name(_("People with common ancestor with %s") % name)
com.add_rule(Rules.Person.HasCommonAncestorWith([gramps_id]))
the_filters = [all,des,ans,com]
from Filters import CustomFilters
the_filters.extend(CustomFilters.get_filters('Person'))
return the_filters
def get_sort_functions(self,sort):
return [
(_("Birth Date"),sort.by_birthdate),
(_("Name"),sort.by_last_name),
]
def add_user_options(self,dialog):
"""
Override the base class add_user_options task to add a menu that allows
the user to select the sort method.
"""
self.sort_menu = gtk.combo_box_new_text()
sort_functions = self.get_sort_functions(Sort.Sort(dialog.db))
for item in sort_functions:
self.sort_menu.append_text(item[0])
self.sort_menu.set_active(self.options_dict['sortby'])
dialog.add_option(_('Sort by'),self.sort_menu)
def parse_user_options(self,dialog):
"""
Parses the custom options that we have added.
"""
self.options_dict['sortby'] = self.sort_menu.get_active()
#------------------------------------------------------------------------
#
#
#
#------------------------------------------------------------------------
register_report(
name = 'timeline',
category = CATEGORY_DRAW,
report_class = TimeLine,
options_class = TimeLineOptions,
modes = MODE_GUI | MODE_BKI | MODE_CLI,
translated_name = _("Timeline Graph"),
status = _("Stable"),
author_name = "Donald N. Allingham",
author_email = "don@gramps-project.org",
description = _("Generates a timeline graph.")
)
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