Added enabled flag for UpdateOp

[simantics/interop.git] / org.simantics.interop.update / src / org / simantics / interop / update / model / UpdateOp.java

diff --git a/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateOp.java b/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateOp.java
index 46bfcd298624c5384d679e4aeaae11520f3f3ed5..6fba56723f2c5cf2cca45117643664eb30448991 100644 (file)
--- a/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateOp.java
+++ b/org.simantics.interop.update/src/org/simantics/interop/update/model/UpdateOp.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 
 import org.simantics.db.Resource;
+import org.simantics.db.Statement;
 import org.simantics.db.WriteGraph;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.interop.test.GraphChanges;
@@ -21,6 +22,8 @@ public abstract class UpdateOp {
        private boolean selected = false;
        private boolean manualSelection = false;
        protected boolean applied = false;
+       protected boolean visible = true;
+       protected boolean enabled = true;
        
        private Collection<UpdateOp> parentOps = new ArrayList<UpdateOp>();
        private Collection<UpdateOp> subOps = new ArrayList<UpdateOp>();
@@ -63,6 +66,10 @@ public abstract class UpdateOp {
        public abstract boolean isAdd();
        public abstract boolean isDelete();
        
+       public boolean isChange() {
+               return isAdd() || isDelete();
+       }
+       
        /**
         * Is parent operation applied before this.
         * @return
@@ -91,6 +98,10 @@ public abstract class UpdateOp {
        }
        
        public boolean select(boolean select) {
+           if (!enabled)
+               return false;
+           if (!isChange())
+               return false;
                boolean b = _select(select);
                if (b)
                        manualSelection = true;
@@ -100,6 +111,10 @@ public abstract class UpdateOp {
        private boolean _select(boolean select) {
                if (select == selected)
                        return true;
+               if (applied)
+                       return false;
+               if (!isChange())
+                   return false;
                if (select) {
                        if (selectParentOps()) {
                                for (UpdateOp op : parentOps)
@@ -136,6 +151,24 @@ public abstract class UpdateOp {
        public boolean applied() {
                return applied;
        }
+       
+       public boolean isVisible() {
+               return visible;
+       }
+       
+       /**
+     * Is change enabled. Disabled changes do not allow changing selected state.
+     * @return
+     */
+    public boolean enabled() {
+        return enabled;
+    }
+    
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+       
+       
        public void apply(WriteGraph g) throws DatabaseException {
                if (applied)
                        return;
@@ -158,6 +191,12 @@ public abstract class UpdateOp {
         */
        public abstract Resource getResource();
        
+       /**
+        * Returns resource that this operation is changing.
+        * @return
+        */
+       public abstract Statement getStatement();
+       
        /**
         * Returns resource that this operation created during apply operation. If operation did not add anything, this returns null.
         * @return