WIP: Get rid of manual previews

Author: ERSUCC

3D/Sample Models/Maze 3D.nlogox3d

@@ -936,5 +936,10 @@ To inquire about commercial licenses for either NetLogo or specific models from
     </shape>
   </linkShapes>
   <previewCommands>setup
-move-forward</previewCommands>
+turn-right
+repeat 3 [ move-forward ]
+turn-left
+repeat 7 [ move-forward ]
+turn-right
+repeat 12 [ move-forward ]</previewCommands>
 </model>

Code Examples/3D Shapes Example.nlogox

@@ -769,5 +769,5 @@ This code example shows the 3D shapes available in NetLogo.
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true">setup demo</previewCommands>
 </model>

Code Examples/Case Conversion Example.nlogox

@@ -769,5 +769,7 @@ NetLogo doesn't have primitives for converting upper to lower case, or vice vers
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true">create-turtles 2 [ setxy random-pxcor random-pycor ]
+ask turtle 0 [ set label upper-case-string "i aM A teSt" ]
+ask turtle 1 [ set label lower-case-string "I AM also A TEST" ]</previewCommands>
 </model>

Code Examples/Extensions Examples/gogo/GoGoMonitor.nlogox

@@ -915,5 +915,5 @@ This model was created by Paulo Blikstein at Stanford's [Transformative Learning
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/gogo/GoGoMonitorSimple.nlogox

@@ -825,5 +825,5 @@ This model was created by Paulo Blikstein at Stanford's [Transformative Learning
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/ls/Model Interactions Example.nlogox

@@ -936,5 +936,5 @@ See the Model Visualizer and Plotter Example and the Parent Model Example.
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/ls/Model Visualizer and Plotter Example.nlogox

@@ -945,5 +945,5 @@ See the Parent Model Example and the Model Interactions Example.
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/ls/Parent Model Example.nlogox

@@ -909,5 +909,5 @@ See the Model Visualizer and Plotter Example and the Model Interactions Example.
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/matrix/Matrix Example.nlogox

@@ -902,5 +902,5 @@ This model demonstrates basic usage of the matrix extension.
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>

Code Examples/Extensions Examples/profiler/Profiler Example.nlogox

@@ -752,5 +752,5 @@ See the Interface tab for more information.  See also the Profiler section of th
       </indicator>
     </shape>
   </linkShapes>
-  <previewCommands>need-to-manually-make-preview-for-this-model</previewCommands>
+  <previewCommands manual="true"></previewCommands>
 </model>