From 8f3b4aa83ea7c2fbc046a1b00bdd1240c9eeeed6 Mon Sep 17 00:00:00 2001
From: lempinen <lempinen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Wed, 10 Mar 2010 14:44:14 +0000
Subject: [PATCH] empty shortcut tabs when cloud or dependency selected

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@14791 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 .../sysdyn/ui/equation/EquationView.java      |  2 +
 .../sysdyn/ui/equation/ShortcutTabs.java      | 65 ++++++++++---------
 2 files changed, 35 insertions(+), 32 deletions(-)

diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/EquationView.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/EquationView.java
index 4ba9e745..58b690c2 100644
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/EquationView.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/EquationView.java
@@ -258,7 +258,9 @@ public class EquationView extends ViewPart implements ISelectionListener {
                                                 expressionController.setEnabled(false);
                                                 expressionComposite.setEnabled(false);
                                                 nameComposite.setEnabled(false);
+                                                
                                                 unitSelector.clear(); // empty units
+                                                shortcutTabs.updateTables(variable);
                                                 expressionController.setExpressionTypes(null);   
                                                 nameComposite.setName(result.name);
                                                 expressionComposite.resetExpressionView(variable);
diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/ShortcutTabs.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/ShortcutTabs.java
index d256d019..23b27d19 100644
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/ShortcutTabs.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/equation/ShortcutTabs.java
@@ -27,7 +27,7 @@ public class ShortcutTabs extends Composite {
     TabItem functions;
     Table variableTable;
     Table functionTable;
-    
+
     public ShortcutTabs(Composite parent, int style) {
         super(parent, style);
 
@@ -58,10 +58,10 @@ public class ShortcutTabs extends Composite {
         item.setText("if then else");
         item.setData("if then else");
         functions.setControl(functionTable);
-        
+
         this.layout();
     }
-    
+
     public HashSet<String> updateTables(Resource variable) {
         HashSet<String> dependencies = getDependencies(variable);
         variableTable.removeAll();
@@ -73,46 +73,47 @@ public class ShortcutTabs extends Composite {
         }
         return dependencies;
     }
-    
+
     // Returns the names of the related variables (dependencies)
     private HashSet<String> getDependencies(final Resource r){
         HashSet<String> variables = null;
-        try {
-            variables = SimanticsUI.getSession().syncRequest(new Read<HashSet<String>>() {
-
-                @Override
-                public HashSet<String> perform(ReadGraph graph)
-                throws DatabaseException {
-                    HashSet<String> variables = new HashSet<String>();
-                    SysdynResource sr = SysdynResource.getInstance(graph);
-                    Builtins b = graph.getBuiltins();
-
-                    Collection<Resource> dependencies = graph.getObjects(r, sr.IsHeadOf);
-
-                    for(Resource d : dependencies) {
-                        if(graph.isInstanceOf(d, sr.Dependency)) {
-                            Resource tail = graph.getPossibleObject(d, sr.HasTail);
-                            if(tail != null) {
-                                Object name = graph.getPossibleRelatedValue(tail, b.HasName);
-                                if(name != null)
-                                    variables.add((String)name);
+        if(r != null)
+            try {
+                variables = SimanticsUI.getSession().syncRequest(new Read<HashSet<String>>() {
+
+                    @Override
+                    public HashSet<String> perform(ReadGraph graph)
+                    throws DatabaseException {
+                        HashSet<String> variables = new HashSet<String>();
+                        SysdynResource sr = SysdynResource.getInstance(graph);
+                        Builtins b = graph.getBuiltins();
+
+                        Collection<Resource> dependencies = graph.getObjects(r, sr.IsHeadOf);
+
+                        for(Resource d : dependencies) {
+                            if(graph.isInstanceOf(d, sr.Dependency)) {
+                                Resource tail = graph.getPossibleObject(d, sr.HasTail);
+                                if(tail != null) {
+                                    Object name = graph.getPossibleRelatedValue(tail, b.HasName);
+                                    if(name != null)
+                                        variables.add((String)name);
+                                }
                             }
                         }
-                    }
 
-                    return variables;
+                        return variables;
 
-                }
+                    }
 
 
-            });
-        } catch (DatabaseException ee) {
-            ExceptionUtils.logAndShowError(ee);
-        }
+                });
+            } catch (DatabaseException ee) {
+                ExceptionUtils.logAndShowError(ee);
+            }
 
-        return variables;
+            return variables;
     }
-   
+
     public Table getVariableTable() {
         return this.variableTable;
     }
-- 
2.47.1