* src/DbState.py: Remove modeule.

* src/DisplayState.py: Rename from DbState, kepp only DisplayState
class.
* src/GrampsDbBase.py: Add DbState class.
* src/MapView.py: Swap zoom_in and zoom_out to reflect reality;
add place list with the ScrollableWindow, request size for the
place list.
* src/ViewManager.py: Use DisplayState.DisplayState.
* src/gramps_main.py: Use GrampsDbBase.DbState; add docstring;


svn: r5055

gramps2/src/DisplayState.py

@@ -0,0 +1,154 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2000-2005  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
+#
+
+# $Id$
+
+#-------------------------------------------------------------------------
+#
+# Standard python modules
+#
+#-------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------
+#
+# GNOME python modules
+#
+#-------------------------------------------------------------------------
+import gobject
+import gtk
+
+#-------------------------------------------------------------------------
+#
+# GRAMPS modules
+#
+#-------------------------------------------------------------------------
+import GrampsDbBase
+import GrampsDBCallback
+import GrampsKeys
+import NameDisplay
+
+class History(GrampsDBCallback.GrampsDBCallback):
+
+    __signals__ = {
+        'changed'      : (list,),
+        'menu-changed' : (list,),
+        }
+
+    def __init__(self):
+        GrampsDBCallback.GrampsDBCallback.__init__(self)
+        self.history = []
+        self.mhistory = []
+        self.index = -1
+        self.lock = False
+
+    def clear(self):
+        self.history = []
+        self.mistory = []
+        self.index = -1
+        self.lock = False
+
+    def remove(self,person_handle,old_id=None):
+        """Removes a person from the history list"""
+        if old_id:
+            del_id = old_id
+        else:
+            del_id = person_handle
+
+        hc = self.history.count(del_id)
+        for c in range(hc):
+            self.history.remove(del_id)
+            self.index -= 1
+        
+        mhc = self.mhistory.count(del_id)
+        for c in range(mhc):
+            self.mhistory.remove(del_id)
+        self.emit('changed',(self.history,))
+        self.emit('menu-changed',(self.mhistory,))
+
+    def push(self,person_handle):
+        self.prune()
+        if len(self.history) == 0 or person_handle != self.history[-1]:
+            self.history.append(person_handle)
+            if person_handle not in self.mhistory:
+                self.mhistory.append(person_handle)
+                self.emit('menu-changed',(self.mhistory,))
+            self.index += 1
+        self.emit('changed',(self.history,))
+
+    def forward(self,step=1):
+        self.index += step
+        person_handle = self.history[self.index]
+        if person_handle not in self.mhistory:
+            self.mhistory.append(person_handle)
+            self.emit('menu-changed',(self.mhistory,))
+        return str(self.history[self.index])
+
+    def back(self,step=1):
+        self.index -= step
+        person_handle = self.history[self.index]
+        if person_handle not in self.mhistory:
+            self.mhistory.append(person_handle)
+            self.emit('menu-changed',(self.mhistory,))
+        return str(self.history[self.index])
+
+    def at_end(self):
+        return self.index+1 == len(self.history)
+
+    def at_front(self):
+        return self.index <= 0
+
+    def prune(self):
+        if not self.at_end():
+            self.history = self.history[0:self.index+1]
+
+class DisplayState(GrampsDBCallback.GrampsDBCallback):
+
+    __signals__ = {
+        }
+
+    def __init__(self,window,status,uimanager,dbstate):
+        self.dbstate = dbstate
+        self.uimanager = uimanager
+        self.window = window
+        GrampsDBCallback.GrampsDBCallback.__init__(self)
+        self.status = status
+        self.status_id = status.get_context_id('GRAMPS')
+        self.phistory = History()
+
+    def modify_statusbar(self,active=None):
+        self.status.pop(self.status_id)
+        if self.dbstate.active == None:
+            self.status.push(self.status_id,"")
+        else:
+            if GrampsKeys.get_statusbar() <= 1:
+                pname = NameDisplay.displayer.display(self.dbstate.active)
+                name = "[%s] %s" % (self.dbstate.active.get_gramps_id(),pname)
+            else:
+                name = self.display_relationship()
+            self.status.push(self.status_id,name)
+
+        while gtk.events_pending():
+            gtk.main_iteration()
+
+    def status_text(self,text):
+        self.status.pop(self.status_id)
+        self.status.push(self.status_id,text)
+        while gtk.events_pending():
+            gtk.main_iteration()