...and back to #975 : draft command invocation on UI elements

First part is to define the steps (the protocol) at the
model element level, which gets a command prepared and invoked.

Test fails still, because there is no actual argument binding
invoked in the TestNexus

tests/core/proc/control/command-basic-test.cpp

@@ -36,6 +36,7 @@ namespace control {
 namespace test    {
   
   using lib::P;
+  using lib::newP;
   using lib::time::Time;
   using lib::time::TimeVar;
   using lib::time::TimeValue;
@@ -93,7 +94,7 @@ namespace test    {
           int randVal ((rand() % 10) - 5);
           Time five(TimeValue(5));
           TimeValue randomTime(randVal);
-          P<TimeVar> obj (new TimeVar(five));
+          auto obj = newP<TimeVar>(five);
           
           CommandDef ("test.command1")
               .operation (operate)

tests/gui/abstract-tangible-test.cpp

@@ -51,15 +51,21 @@
 #include "test/mock-elm.hpp"
 #include "test/test-nexus.hpp"
 #include "lib/idi/entry-id.hpp"
+#include "proc/control/command-def.hpp"
 #include "lib/format-cout.hpp"
+#include "lib/symbol.hpp"
 #include "lib/error.hpp"
 //#include "lib/util.hpp"
 
 
 
+using lib::Symbol;
 using gui::test::MockElm;
 using lib::test::EventLog;
 using lib::idi::EntryID;
+using proc::control::Command;
+using proc::control::CommandDef;
+using gui::interact::InvocationTrail;
 
 
 
@@ -69,6 +75,29 @@ namespace test {
   
   namespace { // test fixture...
     
+    // dummy operation to be invoked through the command system
+    int dummyState = 0;
+    
+    void
+    operate (int val)
+    {
+      dummyState = val;
+    }
+    
+    int
+    capture (int)
+    {
+      return dummyState;
+    }
+    
+    void
+    undoIt (int, int oldState)
+    {
+      dummyState = oldState;
+    }
+    
+    const Symbol DUMMY_CMD_ID{"test.AbstractTangibleTest_dummy_command"};
+    
   }//(End) test fixture
   
   
@@ -224,10 +253,48 @@ namespace test {
         }
       
       
+      
       void
       invokeCommand ()
         {
-          UNIMPLEMENTED ("invoke an action, pass arguments");
+          EventLog nexusLog = gui::test::Nexus::startNewLog();
+          
+          // Setup test stage: define an command/action "in Proc"
+          CommandDef (DUMMY_CMD_ID)
+              .operation (operate)
+              .captureUndo (capture)
+              .undoOperation (undoIt);
+          
+          // Usually it's the InvocationStateManager's job to
+          // prepare an "InvocationTrail", which is a prospective
+          // Command invocation about to happen soon.
+          InvocationTrail invTrail (Command::get (DUMMY_CMD_ID));
+          
+          // the UI element relevant for this command invocation
+          MockElm mock("uiElm");
+          
+          int prevState = dummyState;
+          int concreteParam = 1 +rand() % 100;
+          
+          // now the ongoing interaction picks up parameter data
+          mock.prepareCommand (invTrail, lib::diff::Rec({concreteParam}));
+          
+          CHECK (dummyState == prevState);  // command was not yet invoked
+          
+          // finally the command gets triggered
+          mock.issueCommand (invTrail);
+          
+          CHECK (dummyState == concreteParam);  // command was indeed invoked
+          
+          
+          // verify proper binding, including UNDO state capture
+          Command::get (DUMMY_CMD_ID).undo();
+          CHECK (dummyState == prevState);
+          
+          
+          cout << "____Nexus-Log_________________\n"
+               << util::join(nexusLog, "\n")
+               << "\n───╼━━━━━━━━━╾────────────────"<<endl;
         }
       
       

wiki/thinkPad.ichthyo.mm

@@ -416,10 +416,40 @@
 <icon BUILTIN="button_ok"/>
 </node>
 </node>
-<node CREATED="1448691315849" ID="ID_1198560195" MODIFIED="1448691320189" TEXT="Bindugs-Regel">
+<node CREATED="1448691315849" ID="ID_1198560195" MODIFIED="1452561018347" TEXT="Bindugs-Regel">
+<icon BUILTIN="hourglass"/>
 <node CREATED="1448691343406" ID="ID_642235825" MODIFIED="1448691350558" TEXT="funktor"/>
 <node CREATED="1448691324304" ID="ID_1103199702" MODIFIED="1448691338522" TEXT="definiert Bezugs-Quellen"/>
 <node CREATED="1448691355340" ID="ID_724965495" MODIFIED="1448691465633" TEXT="liefert Record&lt;GenNode&gt;"/>
+<node CREATED="1452560897720" ID="ID_1869468443" MODIFIED="1452561022338" TEXT="vorerst noch nicht impl...">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      hier geht es darum, eine Regel zu generieren,
+    </p>
+    <p>
+      die dann den zugrundeliegenden Command-Prototyp automatisch mit konkreten Aufrufparametern binden kann,
+    </p>
+    <p>
+      sobald bestimmte Umst&#228;nde im UI einschl&#228;gig werden
+    </p>
+    <p>
+      
+    </p>
+    <p>
+      Das kann ich f&#252;r die ersten Tests auslassen, und stattdessen einfach
+    </p>
+    <p>
+      den InvocationTrail manuell im Testcode binden
+    </p>
+  </body>
+</html>
+</richcontent>
+<font ITALIC="true" NAME="SansSerif" SIZE="12"/>
+</node>
 </node>
 <node CREATED="1448691865257" ID="ID_1343859473" MODIFIED="1448691874244" TEXT="Command-Binding wird gesendet">
 <node CREATED="1448691954533" ID="ID_966334383" MODIFIED="1448691960295" TEXT="Performance">
@@ -452,9 +482,26 @@
   </body>
 </html></richcontent>
 </node>
-<node CREATED="1450490565739" ID="ID_849102091" MODIFIED="1450490602009" TEXT="implementiert ist: erstellen im InvocationTrail">
+<node CREATED="1450490565739" ID="ID_849102091" MODIFIED="1452557610273" TEXT="implementiert ist: Erstellen im InvocationTrail">
 <icon BUILTIN="button_ok"/>
 </node>
+<node CREATED="1452561062226" ID="ID_444925471" MODIFIED="1452561136752" TEXT="convenience overload f&#xfc;r mehrere Argumente">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      gemeint, das Model-Element (Tangible) sollte einen solchen Overload anbieten,
+    </p>
+    <p>
+      der unimttelbar Datenwerte nimmt und sie in einen Argument-Record packt
+    </p>
+  </body>
+</html>
+</richcontent>
+<icon BUILTIN="pencil"/>
+</node>
 <node CREATED="1450490580473" ID="ID_925248058" MODIFIED="1450490599519" TEXT="nicht implementiert: Empfangen und Binden">
 <icon BUILTIN="flag-yellow"/>
 </node>