Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / diagram / renaming / ComponentsRenamingModel.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/renaming/ComponentsRenamingModel.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/renaming/ComponentsRenamingModel.java
new file mode 100644 (file)
index 0000000..23d2ffa
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagram/renaming/ComponentsRenamingModel.java
@@ -0,0 +1,133 @@
+package org.simantics.modeling.ui.diagram.renaming;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.List;\r
+\r
+import org.eclipse.core.runtime.IStatus;\r
+import org.eclipse.core.runtime.Status;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.Configuration;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.services.ComponentNamingStrategy;\r
+import org.simantics.modeling.services.ComponentNamingUtil;\r
+import org.simantics.modeling.services.NamingException;\r
+import org.simantics.modeling.ui.Activator;\r
+import org.simantics.operation.Layer0X;\r
+import org.simantics.scl.runtime.function.Function1;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+\r
+/**\r
+ * @author Hannu Niemistö\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class ComponentsRenamingModel {\r
+    public ArrayList<NameEntry> entries = new ArrayList<NameEntry>();\r
+    public String oldNamePrefix;\r
+    public String newNamePrefix;\r
+    public boolean reset;\r
+    public Function1<String, String> prefixValidator;\r
+\r
+    private Session session;\r
+    private Variable compositeVariable;\r
+    private Resource configuration;\r
+    private ComponentNamingStrategy namingStrategy;\r
+\r
+    public void read(ReadGraph g, Resource composite) throws DatabaseException {\r
+        this.session = g.getSession();\r
+        this.compositeVariable = Variables.getVariable(g, composite);\r
+        this.configuration = g.syncRequest(new Configuration(composite));\r
+\r
+        Layer0 L0 = Layer0.getInstance(g);\r
+        Layer0X L0X = Layer0X.getInstance(g);\r
+        StructuralResource2 STR = StructuralResource2.getInstance(g);\r
+        for(Resource component : g.getObjects(composite, L0.ConsistsOf)) {\r
+            if(!g.isInstanceOf(component, STR.Component))\r
+                continue;\r
+            String name = g.getRelatedValue(component, L0.HasName);\r
+            Resource componentType = g.getPossibleType(component, STR.Component);\r
+            String componentTypePrefix = componentType != null\r
+                    ? g.<String>getPossibleRelatedValue(componentType, L0X.HasGeneratedNamePrefix, Bindings.STRING)\r
+                    : "";\r
+            entries.add(new NameEntry(component, name, name, componentTypePrefix));\r
+        }\r
+        Collections.sort(entries);\r
+        Variable namePrefixValue = compositeVariable.getProperty(g, L0X.HasGeneratedNamePrefix);\r
+        oldNamePrefix = newNamePrefix = namePrefixValue.getValue(g, Bindings.STRING);\r
+\r
+        Variable displayValue = namePrefixValue.getPossibleProperty(g, Variables.DISPLAY_VALUE);\r
+        if (displayValue != null)\r
+            prefixValidator = displayValue.getPossiblePropertyValue(g, Variables.INPUT_VALIDATOR);\r
+\r
+        this.namingStrategy = ComponentNamingUtil.findNamingStrategy(g, null, composite);\r
+    }\r
+\r
+    public void computeNewNames() {\r
+        final boolean reset = this.reset;\r
+        if (reset) {\r
+            for (NameEntry entry : entries)\r
+                entry.newName = newNamePrefix + entry.namingPrefix;\r
+        } else {\r
+            for (NameEntry entry : entries)\r
+                if (entry.oldName.startsWith(oldNamePrefix))\r
+                    entry.newName = newNamePrefix + entry.oldName.substring(oldNamePrefix.length());\r
+        }\r
+\r
+        if (session != null) {\r
+            try {\r
+                session.syncRequest(new ReadRequest() {\r
+                    @Override\r
+                    public void run(ReadGraph graph) throws DatabaseException {\r
+                        validateNewNames(graph, !reset);\r
+                    }\r
+                });\r
+            } catch (DatabaseException e) {\r
+                Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "validateNewNames failed, see exception for details", e));\r
+            }\r
+        } else {\r
+            if (reset) {\r
+                int i=0;\r
+                for(NameEntry entry : entries)\r
+                    entry.newName = entry.newName + (++i);\r
+            }\r
+        }\r
+    }\r
+\r
+    private void validateNewNames(ReadGraph graph, boolean acceptPropositions) throws DatabaseException {\r
+        try {\r
+            if (namingStrategy != null) {\r
+                List<String> propositions = new ArrayList<String>(entries.size());\r
+                for (NameEntry entry : entries)\r
+                     propositions.add(entry.newName);\r
+\r
+                propositions = namingStrategy.validateInstanceNames(graph, configuration, propositions, acceptPropositions, null);\r
+\r
+                for (int i = 0; i < propositions.size(); ++i) {\r
+                    NameEntry entry = entries.get(i);\r
+                    if (!acceptPropositions || !entry.oldName.equals(entry.newName))\r
+                        entry.newName = propositions.get(i);\r
+                }\r
+            }\r
+        } catch (NamingException e) {\r
+            throw new DatabaseException(e);\r
+        }\r
+    }\r
+\r
+    public void write(WriteGraph g) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(g);\r
+        Layer0X L0X = Layer0X.getInstance(g);\r
+        for(NameEntry entry : entries)\r
+            if(!entry.oldName.equals(entry.newName))\r
+                g.claimLiteral(entry.resource, L0.HasName, entry.newName, Bindings.STRING);\r
+        if(!oldNamePrefix.equals(newNamePrefix))\r
+            compositeVariable.setPropertyValue(g, L0X.HasGeneratedNamePrefix, newNamePrefix, Bindings.STRING);\r
+    }\r
+}\r