[Commit-gnuradio] [gnuradio] 02/13: grc: show preview of generated code in each blocks properties dialog

[git]

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jcorgan pushed a commit to branch master
in repository gnuradio.

commit 93caad2a76027d0026dc021da2fd925ca295d477
Author: Sebastian Koslowski <address@hidden>
Date:   Fri Jul 17 09:58:55 2015 +0200

    grc: show preview of generated code in each blocks properties dialog
---
 grc/gui/PropsDialog.py | 49 +++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 41 insertions(+), 8 deletions(-)

diff --git a/grc/gui/PropsDialog.py b/grc/gui/PropsDialog.py
index 470e2d5..009c763 100644
--- a/grc/gui/PropsDialog.py
+++ b/grc/gui/PropsDialog.py
@@ -21,9 +21,11 @@ import pygtk
 pygtk.require('2.0')
 import gtk
 
+import Actions
 from Dialogs import SimpleTextDisplay
-from Constants import MIN_DIALOG_WIDTH, MIN_DIALOG_HEIGHT
+from Constants import MIN_DIALOG_WIDTH, MIN_DIALOG_HEIGHT, FONT_SIZE
 import Utils
+import pango
 
 TAB_LABEL_MARKUP_TMPL="""\
 #set $foreground = $valid and 'black' or 'red'
@@ -101,6 +103,17 @@ class PropsDialog(gtk.Dialog):
         self._docs_box.add_with_viewport(self._docs_text_display)
         notebook.append_page(self._docs_box, gtk.Label("Documentation"))
 
+        # Generated code for the block
+        self._code_text_display = code_view = SimpleTextDisplay()
+        code_view.set_wrap_mode(gtk.WRAP_NONE)
+        code_view.get_buffer().create_tag('b', weight=pango.WEIGHT_BOLD)
+        code_view.modify_font(pango.FontDescription(
+            'monospace %d' % FONT_SIZE))
+        code_box = gtk.ScrolledWindow()
+        code_box.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+        code_box.add_with_viewport(self._code_text_display)
+        notebook.append_page(code_box, gtk.Label("Generated Code"))
+
         # Error Messages for the block
         self._error_messages_text_display = SimpleTextDisplay()
         self._error_box = gtk.ScrolledWindow()
@@ -127,7 +140,7 @@ class PropsDialog(gtk.Dialog):
             true if changed
         """
         old_hash = self._hash
-        #create a tuple of things from each param that affects the params box
+        # create a tuple of things from each param that affects the params box
         self._hash = hash(tuple([(
             hash(param), param.get_type(), param.get_hide() == 'all',
         ) for param in self._block.get_params()]))
@@ -138,7 +151,7 @@ class PropsDialog(gtk.Dialog):
         A change occurred within a param:
         Rewrite/validate the block and update the gui.
         """
-        #update for the block
+        # update for the block
         self._block.rewrite()
         self._block.validate()
         self._update_gui()
@@ -155,9 +168,9 @@ class PropsDialog(gtk.Dialog):
         Update the documentation block.
         Hide the box if there are no docs.
         """
-        #update the params box
+        # update the params box
         if self._params_changed():
-            #hide params box before changing
+            # hide params box before changing
             for tab, label, vbox in self._params_boxes:
                 vbox.hide_all()
                 # empty the params box
@@ -173,17 +186,35 @@ class PropsDialog(gtk.Dialog):
                     input_widget = param.get_input(self._handle_changed, 
self._activate_apply)
                     vbox.pack_start(input_widget, input_widget.expand)
                 label.set_markup(Utils.parse_template(TAB_LABEL_MARKUP_TMPL, 
valid=box_all_valid, tab=tab))
-                #show params box with new params
+                # show params box with new params
                 vbox.show_all()
-        #update the errors box
+        # update the errors box
         if self._block.is_valid():
             self._error_box.hide()
         else:
             self._error_box.show()
         messages = '\n\n'.join(self._block.get_error_messages())
         self._error_messages_text_display.set_text(messages)
-        #update the docs box
+        # update the docs box
         self._docs_text_display.set_text(self._block.get_doc())
+        # update the generated code
+        self._update_generated_code_page()
+
+    def _update_generated_code_page(self):
+        buffer = self._code_text_display.get_buffer()
+        block = self._block
+
+        def insert(header, text):
+            if not text:
+                return
+            buffer.insert_with_tags_by_name(buffer.get_end_iter(), header, 'b')
+            buffer.insert(buffer.get_end_iter(), text)
+
+        buffer.delete(buffer.get_start_iter(), buffer.get_end_iter())
+        insert('# Imports\n', '\n'.join(block.get_imports()))
+        if block.get_key().startswith('variable'):
+            insert('\n\n# Variables\n', block.get_var_make())
+        insert('\n\n# Blocks\n', block.get_make())
 
     def _handle_key_press(self, widget, event):
         """
@@ -209,3 +240,5 @@ class PropsDialog(gtk.Dialog):
             self.set_response_sensitive(gtk.RESPONSE_APPLY, False)
             return True
         return False
+
+