Separate some general code from GUI specific code - particularly for graph generators so that graphs can be generated from the CLI.

svn: r16838

src/gui/plug/report/_reportdialog.py

@@ -29,7 +29,8 @@
 #-------------------------------------------------------------------------
 import os
 from types import ClassType
-from gen.ggettext import gettext as _
+import threading
+import time
 
 import logging
 LOG = logging.getLogger(".")
@@ -46,8 +47,10 @@ import gtk
 # GRAMPS modules
 #
 #-------------------------------------------------------------------------
+from gen.ggettext import gettext as _
 import config
 import Errors
+from gui.utils import ProgressMeter, open_file_with_default_application
 from QuestionDialog import ErrorDialog, OptionDialog
 from gen.plug.report import (CATEGORY_TEXT, CATEGORY_DRAW, CATEGORY_BOOK,
                              CATEGORY_CODE, CATEGORY_WEB, CATEGORY_GRAPHVIZ,
@@ -66,6 +69,43 @@ import Utils
 #-------------------------------------------------------------------------
 URL_REPORT_PAGE = URL_MANUAL_PAGE + "_-_Reports"
 
+#-------------------------------------------------------------------------------
+#
+# Private Functions
+#
+#-------------------------------------------------------------------------------
+def _run_long_process_in_thread(func, header):
+    """
+    This function will spawn a new thread to execute the provided function.
+    While the function is running, a progress bar will be created. 
+    The progress bar will show activity while the function executes.
+    
+    @param func: A function that will take an unknown amount of time to 
+        complete. 
+    @type category: callable
+    @param header: A header for the progress bar.
+        Example: "Updating Data"
+    @type name: string
+    @return: nothing
+    
+    """
+    pbar = ProgressMeter(_('Processing File'))
+    pbar.set_pass(total=40, 
+                  mode=ProgressMeter.MODE_ACTIVITY, 
+                  header=header)
+    
+    sys_thread = threading.Thread(target=func)
+    sys_thread.start()
+    
+    while sys_thread.isAlive():
+        # The loop runs 20 times per second until the thread completes.
+        # With the progress pass total set at 40, it should move across the bar
+        # every two seconds.
+        time.sleep(0.05)
+        pbar.step()   
+    
+    pbar.close()
+
 #-------------------------------------------------------------------------
 #
 # ReportDialog class
@@ -644,10 +684,18 @@ def report(dbstate, uistate, person, report_class, options_class,
             dialog.close()
             try:
                 MyReport = report_class(dialog.db, dialog.options)
-                MyReport.doc.init()
-                MyReport.begin_report()
-                MyReport.write_report()
-                MyReport.end_report()
+                
+                def do_report():
+                    MyReport.doc.init()
+                    MyReport.begin_report()
+                    MyReport.write_report()
+                    MyReport.end_report()
+
+                _run_long_process_in_thread(do_report, dialog.raw_name)
+                
+                if dialog.open_with_app.get_active():
+                    open_file_with_default_application(dialog.options.get_output())
+                
             except Errors.FilterError, msg:
                 (m1, m2) = msg.messages()
                 ErrorDialog(m1, m2)