Fixed large/small plot bug by adding ViewFrames that contains plots.

system/fluents.py

@@ -56,7 +56,7 @@ class FluentApp:
         return self.log_view
 
     def create_main_view(self, str1, str2, int1, int2):
-        self.main_view = plots.MainView(self._update_toolbar)
+        self.main_view = plots.MainView()
         self.main_view.show()
         return self.main_view
 

system/plots.py

@@ -13,69 +13,181 @@ from matplotlib import cm
 from system import logger
 
 
+class ObjectTable:
+    """A 2D table of elements."""
+
+    def __init__(self, xsize=0, ysize=0, creator=None):
+        self._elements = []
+        self._creator = creator or (lambda : None)
+        self.xsize = xsize
+        self.ysize = ysize
+        self.resize(xsize, ysize)
+
+    def resize(self, xsize, ysize):
+        """Resizes the table by removing and creating elements as required."""
+        # Delete or append new rows
+        del self._elements[ysize:]
+        new_rows = ysize - len(self._elements)
+        self._elements.extend([list() for i in range(new_rows)])
+
+        # Delete or append new columns
+        for row in self._elements:
+            del row[xsize:]
+            new_elems = xsize - len(row)
+            row.extend([self._creator() for i in range(new_elems)])
+
+    def __getitem__(self, index):
+        x, y = index
+        return self._elements[y][x]
+
+    def __setitem__(self, index, value):
+        x, y = index
+        self._elements[y][x] = value
+
+
+class ViewFrame (gtk.Frame):
+    def __init__(self, view_frames):
+        gtk.Frame.__init__(self)
+        self.focused = False
+        self.view_frames = view_frames
+        self.empty_view = EmptyView()
+        
+        view_frames.append(self)
+        if len(view_frames) == 1:
+            self.focus()
+        else:
+            self.unfocus()
+
+        self._view = self.empty_view
+        self.set_view(self._view)
+        self.show()
+
+    def focus(self):
+        """Gets focus and ensures that no other window is in focus."""
+        if self.focused:
+            return self
+
+        for frame in self.view_frames:
+            frame.unfocus()
+
+        self.set_shadow_type(gtk.SHADOW_IN)
+        self.focused = True
+        return self
+
+    def unfocus(self):
+        """Removes focus from the ViewFrame if it is focused."""
+        if not self.focused:
+            return
+
+        self.set_shadow_type(gtk.SHADOW_OUT)
+        self.focused = False
+
+    def set_view(self, view):
+        """Set view to view or to empty view if parameter is None"""
+        # if None is passed, use empty view
+        if view == None:
+            view = self.empty_view
+
+#        # do nothing if the view is already there
+#        if view == self._view:
+#            return
+        
+        # switch which widget we are listening to
+#        if self._view:
+#            self._view.disconnect(self.on_button_press_event)
+        view.connect("button-press-event", self.on_button_press_event)
+
+        # remove old view, set new view
+        self._view.hide()
+        self.remove(self._view)
+        self.add(view)
+        view.show()
+        
+        self._view = view
+
+    def get_view(self):
+        """Returns current view, or None if the empty view is set."""
+        if self._view == self.empty_view:
+            return None
+        return self._view
+
+    def on_button_press_event(self, widget, event):
+        print "foo"
+        if not self.focused:
+            self.focus()
+            
 class MainView (gtk.Notebook):
-    def __init__(self, view_listener):
+    def __init__(self):
         gtk.Notebook.__init__(self)
         self.set_show_tabs(False)
         self.set_show_border(False)
 
-        # Add a multiple pane view and a single pane view.
+        self._view_frames = []
-        self.small_view = SmallView()
+        self._views = ObjectTable(2, 2, lambda : ViewFrame(self._view_frames))
-        self.small_view.set_view_listener(view_listener)
+        self._small_views = gtk.Table(2, 2, True)
-        self.small_view.show()
+        self._small_views.set_col_spacings(4)
-        self.large_view = LargeView()
+        self._small_views.set_row_spacings(4)
-        self.large_view.show()
+        self._large_view = ViewFrame(list())
+        self.update_small_views()
         
-        self.append_page(self.small_view)
+        self.append_page(self._small_views)
-        self.append_page(self.large_view)
+        self.append_page(self._large_view)
         self.set_current_page(0)
+        self.show()
 
-    def goto_small(self):
+    def __getitem__(self, x, y):
-        if self.get_current_page() == 0:
+        return self._views[x, y]
+
+    def update_small_views(self):
+        for x in range(self._views.xsize):
+            for y in range(self._views.ysize):
+                child = self._views[x,y]
+                self._small_views.attach(child, x, x+1, y, y+1)
+
+    def get_active_small_view(self):
+        for vf in self._view_frames:
+            if vf.focused:
+                return vf
         return None
-        self.set_current_page(0)
-        view = self.large_view.remove_child()
-        self.small_view.return_current(view)
     
     def goto_large(self):
-        if self.get_current_page() == 1:
+        vf = self.get_active_small_view()
-            return None
+        view = vf.get_view()
+        vf.set_view(None)
+        self._large_view.set_view(view)
         self.set_current_page(1)
-        view = self.small_view.borrow_current()
-        self.large_view.set_child(view)
 
-    def show(self):
+    def goto_small(self):
-        gtk.Notebook.show(self)
+        vf = self.get_active_small_view()
+        view = self._large_view.get_view()
+        self._large_view.set_view(None)
+        vf.set_view(view)
+        self.set_current_page(0)
 
     def insert_view(self, view):
-        self.small_view.insert_view(view)
+        vf = self.get_active_small_view()
+        vf.set_view(view)
         
+    def show(self):
+        for vf in self._view_frames:
+            vf.show()
+        self._small_views.show()
+        gtk.Notebook.show(self)
+        
+#    def insert_view(self, view)
     
 class Plot (gtk.Frame):
 
     def __init__(self, title):
         gtk.Frame.__init__(self)
-        self.mark_active(False)
-        self.connect('button_press_event', self.on_button_press)
         self.sel_obj = None
-        self.active = False
         self.title = title
         self.selection_listener = None
+        self.set_shadow_type(gtk.SHADOW_NONE)
 
     def get_title(self):
         return self.title
 
-    def on_button_press(self, *rest):
-#        logger.log('debug', 'button pressed in plot')
-        self.mark_active(True)
-
-    def mark_active(self, active):
-        if active:
-            self.set_shadow_type(gtk.SHADOW_IN)
-        else:
-            self.set_shadow_type(gtk.SHADOW_OUT)
-        self.active = active
-
     def selection_changed(self, selection):
         pass
 
@@ -118,7 +230,9 @@ class SmallView (gtk.Table):
         # drag'n'drop
         for views in self.child_views:
             for view in views:
-                view.drag_dest_set(gtk.DEST_DEFAULT_ALL, [("GTK_TREE_MODEL_ROW",gtk.TARGET_SAME_APP,7)],gtk.gdk.ACTION_LINK)
+                view.drag_dest_set(gtk.DEST_DEFAULT_ALL,
+                                   [("GTK_TREE_MODEL_ROW",gtk.TARGET_SAME_APP,7)],
+                                   gtk.gdk.ACTION_LINK)
                 view.connect("drag-data-received",self.drag_received_by_view,view)
 
 
@@ -138,7 +252,9 @@ class SmallView (gtk.Table):
 
     def set_child(self, child, col, row): 
         # urg, this probably belongs somewhere else
-        child.drag_dest_set(gtk.DEST_DEFAULT_ALL, [("GTK_TREE_MODEL_ROW",gtk.TARGET_SAME_APP,7)],gtk.gdk.ACTION_LINK)
+        child.drag_dest_set(gtk.DEST_DEFAULT_ALL,
+                            [("GTK_TREE_MODEL_ROW",gtk.TARGET_SAME_APP,7)],
+                            gtk.gdk.ACTION_LINK)
         child.connect("drag-data-received",self.drag_received_by_view,child)
 
         cur_widget = self.child_views[col][row]
@@ -206,58 +322,19 @@ class SmallView (gtk.Table):
     def get_view(self, x, y):
         return self.child_views[x][y]
 
-class LargeView (gtk.Frame):
-    def __init__(self):
-        gtk.Frame.__init__(self)
-        self.child_view = EmptyView()
-        self.add(self.child_view)
-    
-    def set_child(self, child):
-        self.remove(self.child_view)
-        self.child_view.hide()
-        self.add(child)
-        self.child_view = child
-        child.show()
-
-    def hide(self):
-        self.child_view.hide()
-        gtk.Frame.hide(self)
-
-    def show(self):
-        self.child_view.show()
-        gtk.Frame.show(self)
-
-    def remove_child(self):
-        child = self.child_view
-        child.hide()
-        self.remove(child)
-        return child
-        
 
 class EmptyView (Plot):
     def __init__(self):
         Plot.__init__(self, 'Empty view')
-        
         label = gtk.Label('No view')
         ebox = gtk.EventBox()
         ebox.add(label)
         self.add(ebox)
-        label.connect('button_press_event', self.on_button_press)
         
-        self.label = label
+        label.show()
-        self.ebox = ebox
+        ebox.show()
         self.show()
 
-    def show(self):
-        self.ebox.show()
-        self.label.show()
-        Plot.show(self)
-        
-    def hide(self):
-        self.label.hide()
-        self.ebox.hide()
-        Plot.hide(self)
-
 
 class NavToolbar(NavigationToolbar2):
     toolitems = (('Select', 'Select within rectangle', 'zoom_to_rect.png',