Add new bottombar gramplets

svn: r16613

src/plugins/gramplet/Gallery.py

@@ -0,0 +1,182 @@
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2011 Nick Hall
+#
+# 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
+#
+# $Id$
+#
+
+from gui.utils import open_file_with_default_application
+from gen.plug import Gramplet
+import Utils
+import gtk
+
+class Gallery(Gramplet):
+    """
+    Displays a gallery of media objects.
+    """
+    def init(self):
+        self.gui.WIDGET = self.build_gui()
+        self.gui.get_container_widget().remove(self.gui.textview)
+        self.gui.get_container_widget().add_with_viewport(self.gui.WIDGET)
+
+    def build_gui(self):
+        """
+        Build the GUI interface.
+        """
+        tip = _('Double-click on a picture to view it in the default image '
+                'viewer application.')
+        self.set_tooltip(tip)
+        self.image_list = []
+        self.top = gtk.HBox(False, 3)
+        return self.top
+        
+    def clear_images(self):
+        """
+        Remove all images from the Gramplet.
+        """
+        for image in self.image_list:
+            self.top.remove(image)
+        self.image_list = []
+
+    def load_images(self, obj):
+        """
+        Load the primary image into the main form if it exists.
+        """
+        media_list = obj.get_media_list()
+        for photo in media_list:
+            object_handle = photo.get_reference_handle()
+            obj = self.dbstate.db.get_object_from_handle(object_handle)
+            full_path = Utils.media_path_full(self.dbstate.db, obj.get_path())
+            mime_type = obj.get_mime_type()
+            if mime_type and mime_type.startswith("image"):
+                pb = self.get_pixbuf(full_path, photo.get_rectangle())
+                eb = gtk.EventBox()
+                eb.connect('button-press-event', self.display_image, full_path)
+                image = gtk.Image()
+                eb.add(image)
+                self.image_list.append(eb)
+                image.set_from_pixbuf(pb)
+                self.top.pack_start(eb, expand=False, fill=False)
+                self.top.show_all()
+
+    def display_image(self, widget, event, path):
+        """
+        Display the image with the default application.
+        """
+        if event.type == gtk.gdk._2BUTTON_PRESS and event.button == 1:
+            open_file_with_default_application(path)
+        
+    def get_pixbuf(self, path, rectangle=None):
+        """
+        Load, scale and display the person's main photo from the path.
+        """
+        try:
+            i = gtk.gdk.pixbuf_new_from_file(path)
+            width = i.get_width()
+            height = i.get_height()
+
+            if rectangle is not None:
+                upper_x = min(rectangle[0], rectangle[2])/100.
+                lower_x = max(rectangle[0], rectangle[2])/100.
+                upper_y = min(rectangle[1], rectangle[3])/100.
+                lower_y = max(rectangle[1], rectangle[3])/100.
+                sub_x = int(upper_x * width)
+                sub_y = int(upper_y * height)
+                sub_width = int((lower_x - upper_x) * width)
+                sub_height = int((lower_y - upper_y) * height)
+                if sub_width > 0 and sub_height > 0:
+                    i = i.subpixbuf(sub_x, sub_y, sub_width, sub_height)
+
+            ratio = float(max(i.get_height(), i.get_width()))
+            scale = float(180.0)/ratio
+            x = int(scale*(i.get_width()))
+            y = int(scale*(i.get_height()))
+            i = i.scale_simple(x, y, gtk.gdk.INTERP_BILINEAR)
+            return i
+        except:
+            return None
+
+class PersonGallery(Gallery):
+    """
+    Displays a gallery of media objects for a person.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('person-update', self.update)
+        self.update()
+
+    def active_changed(self, handle):
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Person')
+        active = self.dbstate.db.get_person_from_handle(active_handle)
+        
+        self.clear_images()
+        if active:
+            self.load_images(active)
+
+class EventGallery(Gallery):
+    """
+    Displays a gallery of media objects for an event.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('event-update', self.update)
+        self.connect_signal('Event', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Event')
+        active = self.dbstate.db.get_event_from_handle(active_handle)
+        
+        self.clear_images()
+        if active:
+            self.load_images(active)
+
+class PlaceGallery(Gallery):
+    """
+    Displays a gallery of media objects for a place.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('place-update', self.update)
+        self.connect_signal('Place', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Place')
+        active = self.dbstate.db.get_place_from_handle(active_handle)
+        
+        self.clear_images()
+        if active:
+            self.load_images(active)
+
+class SourceGallery(Gallery):
+    """
+    Displays a gallery of media objects for a source.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('event-update', self.update)
+        self.connect_signal('Source', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Source')
+        active = self.dbstate.db.get_source_from_handle(active_handle)
+        
+        self.clear_images()
+        if active:
+            self.load_images(active)
+