add warning message for duplicate/incmpatible blocks

4 files changed, 508 insertions, 10 deletions

diff --git a/TurtleArt/taconstants.py b/TurtleArt/taconstants.py
index 49a8dc3..df87da3 100644
--- a/TurtleArt/taconstants.py
+++ b/TurtleArt/taconstants.py
@@ -695,10 +695,10 @@ MEDIA_SHAPES = ['audiooff', 'audioon', 'audiosmall',
 
 OVERLAY_SHAPES = ['Cartesian', 'Cartesian_labeled', 'polar']
 
-STATUS_SHAPES = ['status', 'info', 'nostack', 'noinput', 'emptyheap',
-                 'emptybox', 'nomedia', 'nocode', 'overflowerror', 'negroot',
-                 'syntaxerror', 'nofile', 'nojournal', 'zerodivide',
-                 'notanumber']
+STATUS_SHAPES = ['status', 'info', 'nostack', 'dupstack', 'noinput',
+                 'emptyheap', 'emptybox', 'nomedia', 'nocode', 'overflowerror',
+                 'negroot', 'syntaxerror', 'nofile', 'nojournal', 'zerodivide',
+                 'notanumber', 'incompatible']
 
 #
 # Emulate Sugar toolbar when running from outside of Sugar
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index dfe0828..2402087 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -328,12 +328,8 @@ class TurtleArtWindow():
 
     def _start_audiograb(self):
         """ Start grabbing audio if there is an audio block in use """
-        if len(self.block_list.get_similar_blocks('block', 'volume')) > 0 or \
-           len(self.block_list.get_similar_blocks('block', 'sound')) > 0 or \
-           len(self.block_list.get_similar_blocks('block', 'pitch')) > 0 or \
-           len(self.block_list.get_similar_blocks('block',
-                                                  'resistance')) > 0 or \
-           len(self.block_list.get_similar_blocks('block', 'voltage')) > 0:
+        if len(self.block_list.get_similar_blocks('block',
+            ['volume', 'sound', 'pitch', 'resistance', 'voltage'])) > 0:
             if self.audio_started:
                 self.audiograb.resume_grabbing()
             else:
@@ -831,11 +827,34 @@ class TurtleArtWindow():
                 elif blk.name in MACROS:
                     self._new_macro(blk.name, x + 20, y + 20)
                 else:
+                    # TODO: put up an alert message
                     # You can only have one instance of some blocks
                     if blk.name in ['start', 'hat1', 'hat2']:
                         if len(self.block_list.get_similar_blocks(
                                 'block', blk.name)) > 0:
+                            self.showlabel('dupstack')
                             return True
+                    # You cannot miz and match sensor blocks
+                    elif blk.name in ['sound', 'volume', 'pitch']:
+                        if len(self.block_list.get_similar_blocks(
+                                'block', ['resistance', 'voltage'])) > 0:
+                            self.showlabel('incompatible')
+                            return True
+                    elif blk.name in ['resistance', 'voltage']:
+                        if len(self.block_list.get_similar_blocks(
+                                'block', ['sound', 'volume', 'pitch'])) > 0:
+                            self.showlabel('incompatible')
+                            return True
+                        if blk.name == 'resistance':
+                            if len(self.block_list.get_similar_blocks(
+                                    'block', 'voltage')) > 0:
+                                self.showlabel('incompatible')
+                                return True
+                        elif blk.name == 'voltage':
+                            if len(self.block_list.get_similar_blocks(
+                                    'block', 'resistance')) > 0:
+                                self.showlabel('incompatible')
+                                return True
                     blk.highlight()
                     self._new_block(blk.name, x, y)
                     blk.unhighlight()
diff --git a/images/dupstack.svg b/images/dupstack.svg
new file mode 100644
index 0000000..6a0f3fd
--- /dev/null
+++ b/images/dupstack.svg
@@ -0,0 +1,98 @@
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+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.0"
+   width="767"
+   height="38"
+   id="svg2467">
+  <metadata
+     id="metadata20">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
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+        <dc:type
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+        <dc:title></dc:title>
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diff --git a/images/incompatible.svg b/images/incompatible.svg
new file mode 100644
index 0000000..433bf4d
--- /dev/null
+++ b/images/incompatible.svg
@@ -0,0 +1,381 @@
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