X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fprofile%2FStyleBaseData.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fprofile%2FStyleBaseData.java;h=5bd51b20bc476a5974e66cad1b092fc9cd0886aa;hb=6cc84e9fd4fb1bf95a20538aeca2cae9b8325968;hp=0000000000000000000000000000000000000000;hpb=6c70e409e03187c96b057aa5705d49800c6b8b07;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/StyleBaseData.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/StyleBaseData.java
new file mode 100644
index 000000000..5bd51b20b
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/StyleBaseData.java
@@ -0,0 +1,84 @@
+package org.simantics.diagram.profile;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.simantics.db.Resource;
+import org.simantics.scenegraph.profile.DataNodeMap;
+import org.simantics.scenegraph.profile.EvaluationContext;
+import org.simantics.scenegraph.profile.Style;
+import org.simantics.scenegraph.profile.common.ObserverGroupListener;
+import org.simantics.scl.runtime.tuple.Tuple;
+import org.simantics.scl.runtime.tuple.Tuple3;
+
+public class StyleBaseData {
+
+    protected final Map<Tuple, Object> values   = new ConcurrentHashMap<>();
+
+    private Map<Tuple3, ObserverGroupListener> listeners = new HashMap<>();
+
+    private final Map<Style, List<Resource>> removals = new HashMap<>();
+
+    private StyleBaseData() {
+        
+    }
+    
+    private static StyleBaseData INSTANCE;
+    
+    public static StyleBaseData getInstance() {
+        if(INSTANCE == null) {
+            INSTANCE = new StyleBaseData();
+        }
+        return INSTANCE;
+    }
+    
+    public void removeValue(Tuple t) {
+        values.remove(t);
+    }
+    
+    public void putValue(Tuple t, Object o) {
+        values.put(t, o);
+    }
+    
+    public <T> T getValue(Tuple t) {
+        return (T)values.get(t);
+    }
+
+    public synchronized void removeItem(Style s, Resource r) {
+        List<Resource> l = removals.get(s);
+        if(l == null) {
+            l = new ArrayList<>();
+            removals.put(s, l);
+        }
+        l.add(r);
+    }
+    
+    public void putListener(Tuple3 key, ObserverGroupListener listener) {
+        listeners.put(key, listener);
+    }
+    
+    public void removeListener(Tuple3 key) {
+        listeners.remove(key);
+    }
+
+    public ObserverGroupListener getListener(Tuple3 key) {
+        return listeners.get(key);
+    }
+
+    public synchronized void applyRemovals(EvaluationContext evaluationContext, StyleBase s) {
+        
+        List<Resource> rs = removals.remove(s);
+        if(rs == null) return;
+        
+        DataNodeMap map = evaluationContext.getConstant(ProfileKeys.NODE_MAP);
+
+        for (Resource item : rs) {
+            s.cleanupStyleForItem(evaluationContext, map, item);
+        }
+        
+    }
+
+}