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-rw-r--r--grc/gui/NotebookPage.py187
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diff --git a/grc/gui/NotebookPage.py b/grc/gui/NotebookPage.py
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+"""
+Copyright 2008, 2009, 2011 Free Software Foundation, Inc.
+This file is part of GNU Radio
+
+GNU Radio Companion 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.
+
+GNU Radio Companion 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+"""
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+import Actions
+from StateCache import StateCache
+from Constants import MIN_WINDOW_WIDTH, MIN_WINDOW_HEIGHT
+from DrawingArea import DrawingArea
+import os
+
+############################################################
+## Notebook Page
+############################################################
+
+class NotebookPage(gtk.HBox):
+ """A page in the notebook."""
+
+ def __init__(self, main_window, flow_graph, file_path=''):
+ """
+ Page constructor.
+ @param main_window main window
+ @param file_path path to a flow graph file
+ """
+ self._flow_graph = flow_graph
+ self.set_proc(None)
+ #import the file
+ self.main_window = main_window
+ self.set_file_path(file_path)
+ initial_state = flow_graph.get_parent().parse_flow_graph(file_path)
+ self.state_cache = StateCache(initial_state)
+ self.set_saved(True)
+ #import the data to the flow graph
+ self.get_flow_graph().import_data(initial_state)
+ #initialize page gui
+ gtk.HBox.__init__(self, False, 0)
+ self.show()
+ #tab box to hold label and close button
+ self.tab = gtk.HBox(False, 0)
+ #setup tab label
+ self.label = gtk.Label()
+ self.tab.pack_start(self.label, False)
+ #setup button image
+ image = gtk.Image()
+ image.set_from_stock('gtk-close', gtk.ICON_SIZE_MENU)
+ #setup image box
+ image_box = gtk.HBox(False, 0)
+ image_box.pack_start(image, True, False, 0)
+ #setup the button
+ button = gtk.Button()
+ button.connect("clicked", self._handle_button)
+ button.set_relief(gtk.RELIEF_NONE)
+ button.add(image_box)
+ #button size
+ w, h = gtk.icon_size_lookup_for_settings(button.get_settings(), gtk.ICON_SIZE_MENU)
+ button.set_size_request(w+6, h+6)
+ self.tab.pack_start(button, False)
+ self.tab.show_all()
+ #setup scroll window and drawing area
+ self.scrolled_window = gtk.ScrolledWindow()
+ self.scrolled_window.set_size_request(MIN_WINDOW_WIDTH, MIN_WINDOW_HEIGHT)
+ self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+ self.drawing_area = DrawingArea(self.get_flow_graph())
+ self.scrolled_window.add_with_viewport(self.get_drawing_area())
+ self.pack_start(self.scrolled_window)
+ #inject drawing area into flow graph
+ self.get_flow_graph().drawing_area = self.get_drawing_area()
+ self.show_all()
+
+ def get_drawing_area(self): return self.drawing_area
+
+ def get_generator(self):
+ """
+ Get the generator object for this flow graph.
+ @return generator
+ """
+ return self.get_flow_graph().get_parent().get_generator()(
+ self.get_flow_graph(),
+ self.get_file_path(),
+ )
+
+ def _handle_button(self, button):
+ """
+ The button was clicked.
+ Make the current page selected, then close.
+ @param the button
+ """
+ self.main_window.page_to_be_closed = self
+ Actions.FLOW_GRAPH_CLOSE()
+
+ def set_markup(self, markup):
+ """
+ Set the markup in this label.
+ @param markup the new markup text
+ """
+ self.label.set_markup(markup)
+
+ def get_tab(self):
+ """
+ Get the gtk widget for this page's tab.
+ @return gtk widget
+ """
+ return self.tab
+
+ def get_proc(self):
+ """
+ Get the subprocess for the flow graph.
+ @return the subprocess object
+ """
+ return self.process
+
+ def set_proc(self, process):
+ """
+ Set the subprocess object.
+ @param process the new subprocess
+ """
+ self.process = process
+
+ def get_flow_graph(self):
+ """
+ Get the flow graph.
+ @return the flow graph
+ """
+ return self._flow_graph
+
+ def get_read_only(self):
+ """
+ Get the read-only state of the file.
+ Always false for empty path.
+ @return true for read-only
+ """
+ if not self.get_file_path(): return False
+ return os.path.exists(self.get_file_path()) and \
+ not os.access(self.get_file_path(), os.W_OK)
+
+ def get_file_path(self):
+ """
+ Get the file path for the flow graph.
+ @return the file path or ''
+ """
+ return self.file_path
+
+ def set_file_path(self, file_path=''):
+ """
+ Set the file path, '' for no file path.
+ @param file_path file path string
+ """
+ if file_path: self.file_path = os.path.abspath(file_path)
+ else: self.file_path = ''
+
+ def get_saved(self):
+ """
+ Get the saved status for the flow graph.
+ @return true if saved
+ """
+ return self.saved
+
+ def set_saved(self, saved=True):
+ """
+ Set the saved status.
+ @param saved boolean status
+ """
+ self.saved = saved
+
+ def get_state_cache(self):
+ """
+ Get the state cache for the flow graph.
+ @return the state cache
+ """
+ return self.state_cache