From 0be8bfea3f05a081640772457af903a4beb597bc Mon Sep 17 00:00:00 2001
From: Lionel LASKE <llaske@c2s.fr>
Date: Tue, 20 Dec 2011 21:42:15 +0000
Subject: Add read/write to journal

---
diff --git a/activity.py b/activity.py
index fec5426..d5c6750 100644
--- a/activity.py
+++ b/activity.py
@@ -56,11 +56,11 @@ class RootsActivity(activity.Activity):
 		tool.connect('clicked', self.emptytree)
 		toolbarsample.insert(tool, -1)
 		tool = ToolButton('sample1')
-		tool.set_tooltip(_('Sample 1'))
+		tool.set_tooltip(_('Test'))
 		tool.connect('clicked', self.sample1)
 		toolbarsample.insert(tool, -1)
 		tool = ToolButton('sample2')
-		tool.set_tooltip(_('Sample 2'))
+		tool.set_tooltip(_('Napoleon'))
 		tool.connect('clicked', self.sample2)
 		toolbarsample.insert(tool, -1)
 		toolbox.add_toolbar(_('Samples'), toolbarsample)
@@ -111,19 +111,17 @@ class RootsActivity(activity.Activity):
 
 		# Create empty tree
 		self.tree = None
-		self.init_tree(empty_tree)
+		self.init_tree(empty_tree())
 		
 		# Show all
 		self.show_all()
 		self.area.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW))
 		
 	
-	def init_tree(self, treecallback):
+	def init_tree(self, tree):
 		"Create and init a tree"
-		if self.tree is not None:
-			self.tree.persons = []
-			self.tree.unions = []
-		self.tree = treecallback()
+		self.zoomlevel = 0
+		self.tree = tree
 		(self.initx, self.inity) = (const.tree_initx, const.tree_inity)
 		self.tree.set_position(self.initx, self.inity)
 		self.show_detail(None)
@@ -363,17 +361,38 @@ class RootsActivity(activity.Activity):
 	
 	def emptytree(self, event):
 		"Init with an empty tree"
-		self.init_tree(empty_tree)
+		self.init_tree(empty_tree())
 		
 		
 	def sample1(self, event):
 		"Init with a sample tree"
-		self.init_tree(sample_family1)
+		self.init_tree(sample_family1())
 
 		
 	def sample2(self, event):
 		"Init with a sample tree"
-		self.init_tree(sample_family2)
+		self.init_tree(sample_family2())
+		
+		
+	def write_file(self, file_path):
+		"Called when activity is saved, save the tree in the file"
+		#self.metadata['current_page'] = '3'
+		file = open(file_path, 'wb')
+		try:
+			self.tree.write_to(file)
+		finally:
+			file.close()		
+		
+	
+	def read_file(self, file_path):
+		"Called when activity is loaded, load the tree from the file"
+		file = open(file_path, 'rb')
+		try:
+			tree = Tree().read_from(file)
+		finally:
+			file.close()
+		self.init_tree(tree)		
+		
 
 			
 # Dummy call to allow running on Windows
diff --git a/src/guid.py b/src/guid.py
index d163137..30905f9 100644
--- a/src/guid.py
+++ b/src/guid.py
@@ -8,9 +8,14 @@ class Guid:
 			"Constructor, init reference count"
 			self.count=0
 		
-		def newid(self):
+		def newid(self, start=None):
 			"Generate a new id"
-			self.count = self.count+1
+			if start is None:
+				self.count = self.count+1
+			else:
+				if self.count < start:
+					self.count = start
+				return start
 			return self.count
 		
 	__instance=None
diff --git a/src/person.py b/src/person.py
index c960fa3..c0f89bf 100644
--- a/src/person.py
+++ b/src/person.py
@@ -20,9 +20,9 @@ const._person_fontsize = 8
 class Person:
 	"Class to represent a person in the tree"
 	
-	def __init__(self, name, sex):
+	def __init__(self, name, sex, id=None):
 		"Constructor: build"
-		self.id = Guid().newid()
+		self.id = Guid().newid(id)
 		self.name = name
 		self.birthdate = PartialDate()
 		self.deathdate = PartialDate()
@@ -51,7 +51,7 @@ class Person:
 	
 	def tostring(self, level=1):
 		"Translate to a formatted string, tree is horizontal"
-		buf = 'P'+str(self.id)+'\n'
+		buf = "P"+str(self.id)+'\n'
 		if self.unions == []:
 			buf += '\t'*level + self.name + " " + self.sex
 		else:
@@ -71,8 +71,10 @@ class Person:
 		if self.unions == []:
 			return 1
 		totlen = 0
-		for u in self.unions:
+		for i, u in enumerate(self.unions):
 			totlen = totlen + u.size_desc()
+			if i != 0:
+				totlen = totlen+self.unions[i-1].child_count()
 		return totlen
 
 	
@@ -85,7 +87,7 @@ class Person:
 		"Compute number of childs"
 		totchild = 0
 		for u in self.unions:
-			totchild = totchild + len(u.childs)
+			totchild = totchild + u.child_count()
 		return totchild
 
 
@@ -120,7 +122,7 @@ class Person:
 			for i, u in enumerate(self.unions):
 				# Next union
 				if i != 0:
-					size = u.size_desc()+self.unions[i-1].size_desc()
+					size = u.size_desc()+self.unions[i-1].child_count()
 					x = x + (size*const._person_width+size*self.width_margin())/2
 				
 				# Set conjoint position
@@ -136,38 +138,6 @@ class Person:
 				# Shift right
 				size = u.size_desc()
 				x = x + (size*const._person_width+size*self.width_margin())/2
-				
-	
-	def compute_asc_pos(self):
-		"Compute ascendant and its subtree draw starting at origin"
-		if self.parents is None:
-			return
-			
-		# Set parent position
-		#size = self.parents.size_desc()
-		dad = self.parents.dad
-		mum = self.parents.mum
-		if len(self.unions) == 0:
-			x = self.x0 - (const._person_width+self.width_margin())/2
-		else:
-			conjoint = self.unions[0].conjoint(self)
-			if conjoint.parents is None:
-				x = self.x0 - (const._person_width+self.width_margin())/2
-			elif self.x0 < conjoint.x0:
-				size = 1
-				x = self.x0 - (size*3*const._person_width+size*self.width_margin())/2
-			else:
-				size = 1
-				x = self.x0 + (size*const._person_width+size*self.width_margin())/2
-		y = self.y0 - const._person_height - self.height_margin()
-		dad.set_pos(x, y)
-		mum.set_pos(x + const._person_width+self.width_margin(), y)
-		
-		# Set parent parent position and their child
-		dad.compute_asc_pos()
-		mum.compute_asc_pos()
-		dad.compute_desc_pos(dad.x0, dad.y0)
-		mum.compute_desc_pos(mum.x0, mum.y0)
 		
 		
 	def translate(self, dx, dy):
diff --git a/src/tree.py b/src/tree.py
index a22b3e8..f7bd330 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -2,6 +2,7 @@
 from person import Person
 from union import Union
 import const
+import pickle
 
 
 # Tree class
@@ -15,19 +16,104 @@ class Tree:
 		self.unions = []
 	
 	
-	def Person(self, name, sex):
+	def read_from(self, file):
+		"Read tree from the file"
+		
+		# Load persons
+		count = pickle.load(file)
+		for i in range(count):
+			id = pickle.load(file)
+			name = pickle.load(file)
+			sex = pickle.load(file)
+			self.Person(name, sex, id)
+			
+		# Load unions
+		count = pickle.load(file)
+		for i in range(count):		
+			# Create union
+			id = pickle.load(file)
+			dadid = pickle.load(file)
+			mumid = pickle.load(file)
+			dad = self.get_person(dadid)
+			if dad is None:
+				print "ERROR on "+str(dadid)
+			mum = self.get_person(mumid)
+			if mum is None:
+				print "ERROR on "+str(mumid)
+			u = self.Union(dad, mum, id)
+			
+			# Create childs
+			childcount = pickle.load(file)
+			for j in range(childcount):
+				childid = pickle.load(file)
+				child = self.get_person(childid)
+				if child is None:
+					print "ERROR on "+str(childid)
+				u.append_child(child)
+			
+		# Get root
+		rootid = pickle.load(file)
+		root = self.get_person(rootid)
+		if root is None:
+			print "ERROR on "+str(rootid)
+		self.root = root
+		
+		return self
+		
+		
+	def write_to(self, file):
+		"Write tree to file"
+		
+		# Save persons
+		pickle.dump(len(self.persons), file)
+		for p in self.persons:
+			pickle.dump(p.id, file)
+			pickle.dump(p.name, file)
+			pickle.dump(p.sex, file)
+		
+		# Save unions
+		pickle.dump(len(self.unions), file)
+		for u in self.unions:
+			pickle.dump(u.id, file)
+			pickle.dump(u.dad.id, file)
+			pickle.dump(u.mum.id, file)
+			pickle.dump(len(u.childs), file)
+			for c in u.childs:
+				pickle.dump(c.id, file)
+		
+		# Save root
+		pickle.dump(self.root.id, file)
+		
+	
+	def Person(self, name, sex, id=None):
 		"Add a new person"
-		p = Person(name, sex)
+		p = Person(name, sex, id)
 		self.persons.append(p)
 		return p
 		
 	
-	def Union(self, dad, mum):
+	def Union(self, dad, mum, id=None):
 		"Add a new union"
-		u = Union(dad, mum)
+		u = Union(dad, mum, id)
 		self.unions.append(u)
 		return u
 		
+	
+	def get_person(self, id):
+		"Look for a person with an id"
+		for p in self.persons:
+			if p.id == id:
+				return p
+		return None
+		
+	
+	def get_union(self, id):
+		"Look for an union with an id"
+		for u in self.unions:
+			if u.id == id:
+				return u
+		return None		
+		
 		
 	def is_descendant(self, person, root=None):
 		"Look if person is a descendant of the tree"
@@ -105,7 +191,7 @@ class Tree:
 				root.compute_desc_pos(x, y)
 				size = root.size_desc()
 				if i > 0:
-					size = size + roots[i].size_desc()
+					size = size + roots[i].child_count()
 				x = x + (size*const._person_width+size*root.width_margin())/2
 			x = initx
 			y = y + const._person_height+root.height_margin()
@@ -183,23 +269,9 @@ def empty_tree():
 	
 	return tree
 	
-
-def sample_family1():
-	# Empty family
-	tree = Tree()	
-	tree.root = tree.Person("C", "M")
-	
-	a = tree.Person("A", "M")
-	b = tree.Person("B", "F")
-	tree.Union(a, b).append_child(tree.root)
-	bb = tree.Person("BB", "F")
-	tree.Union(a, bb)
 	
-	return tree	
-	
-	
-def sample_family2():
-	# Large family
+def sample_family1():
+	# Large family sample
 	tree = Tree()	
 	
 	l = tree.Person("Lucien", "M")
@@ -247,6 +319,38 @@ def sample_family2():
 	uc2.append_child(pi)
 	uc2.append_child(tree.Person("Camille", "F"))
 	
-	tree.root = d #vm
+	tree.root = d
 	
 	return tree
+	
+	
+def sample_family2():
+	# Napoleon family
+	tree = Tree()	
+	tree.root = p1 = tree.Person("Chales-Marie Bonaparte", "M")
+	p2 = tree.Person("Letizia Ramolino", "F")
+	u1 = tree.Union(p2, p1)
+	p4 = tree.Person("Napoleon", "M")
+	p6 = tree.Person("Louis Bonaparte", "M")
+	u1.append_child(p4)
+	u1.append_child(p6)
+	p3 = tree.Person("Josephine", "F")
+	u2 = tree.Union(p4, p3)
+	p5 = tree.Person("Marie-Louise d'Autriche", "F")
+	u3 = tree.Union(p4, p5)
+	
+	p10 = tree.Person("Napoleon II", "M")
+	u3.append_child(p10)
+	
+	p7 = tree.Person("Hortense de Beauharnais", "F")
+	u4 = tree.Union(p6, p7)
+	p8 = tree.Person("Napoleon III", "M")
+	u4.append_child(p8)
+	
+	p9 = tree.Person("Eugenie de Palafox-Guzman", "F")
+	u5 = tree.Union(p8, p9)
+	p11 = tree.Person("Louis Napoleon", "M")
+	u5.append_child(p11)
+	
+	return tree	
+
diff --git a/src/union.py b/src/union.py
index fdfff51..689b59f 100644
--- a/src/union.py
+++ b/src/union.py
@@ -11,9 +11,9 @@ const._union_color = (0, 0, 0)
 class Union:
 	"Class to process union between two persons"
 	
-	def __init__(self, dad, mum):
+	def __init__(self, dad, mum, id=None):
 		"Constructor, init dad, mum and childs"
-		self.id = Guid().newid()
+		self.id = Guid().newid(id)
 		self.dad = dad
 		dad.append_union(self)
 		self.mum = mum
@@ -30,7 +30,7 @@ class Union:
 		
 	def tostring(self, level=1):
 		"Translate to a formatted string, tree is horizontal"	
-		str = 'U{0}\n'.format(self.id)
+		str = "U"+str(self.id)+"\n"
 		for c in self.childs:
 			str += c.tostring(level+1) + '\n'
 			
@@ -81,6 +81,11 @@ class Union:
 			return self.dad
 			
 		
+	def child_count(self):
+		"Compute number of childs"
+		return len(self.childs)
+		
+		
 	def draw(self, gc, pc):
 		"Draw person and its subtree in the graphical context"
 		
diff --git a/sugardummy.py b/sugardummy.py
index 6a2f796..5ebea5e 100644
--- a/sugardummy.py
+++ b/sugardummy.py
@@ -1,5 +1,6 @@
 
 import gtk
+import os.path
 
 # Dummy class for Sugar
 class activity:
@@ -12,7 +13,8 @@ class activity:
 		def __init__(self, handle):
 			self.window  = gtk.Window()
 			self.window.set_title("Roots")
-			self.window.connect("destroy", gtk.main_quit)			
+			self.window.connect("destroy", self.on_close)
+			self.metadata = {}
 
 		def set_canvas(self, canvas):
 			self._canvas = canvas
@@ -22,7 +24,9 @@ class activity:
 			vbox.pack_start(self._toolbox, True, True, 0)
 			vbox.pack_start(self._canvas, True, True, 0)
 			self.window.add(vbox)
-			self.window.show_all()			
+			self.window.show_all()
+			if os.path.isfile("../tmp/sugar_dummy_journal.txt"):
+				self.read_file("../tmp/sugar_dummy_journal.txt")
 			
 		def create_pango_context(self):
 			return gtk.Widget.create_pango_context(self.window)
@@ -30,6 +34,16 @@ class activity:
 		def set_toolbox(self, toolbox):
 			self._toolbox = toolbox
 			
+		def read_file(self, file_path):
+			pass
+			
+		def write_file(self, file_path):
+			pass
+			
+		def on_close(self, event):
+			gtk.main_quit()
+			self.write_file("../tmp/sugar_dummy_journal.txt")
+			
 	
 	# Dummy class for Toolbox
 	class ActivityToolbox(gtk.Toolbar):
--
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