Mark deprecated items in ProjectView (class, function, property, class-object)

#KT-2944 Fixed Mark deprecated classes in Project Tree

idea/src/org/jetbrains/jet/plugin/projectView/JetClassObjectTreeNode.java

@@ -23,6 +23,7 @@ import com.intellij.ide.util.treeView.AbstractTreeNode;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.jet.lang.psi.JetClassObject;
+import org.jetbrains.jet.lang.psi.JetPsiUtil;
 
 import java.util.Collection;
 
@@ -60,4 +61,9 @@ public class JetClassObjectTreeNode extends AbstractPsiBasedNode<JetClassObject>
 
         return super.canRepresent(element) || canRepresentPsiElement(getValue(), element, getSettings());
     }
+
+    @Override
+    protected boolean isDeprecated() {
+        return JetPsiUtil.isDeprecated(getValue());
+    }
 }

idea/src/org/jetbrains/jet/plugin/projectView/JetClassOrObjectTreeNode.java

@@ -25,6 +25,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.jet.lang.psi.JetClassOrObject;
 import org.jetbrains.jet.lang.psi.JetFile;
+import org.jetbrains.jet.lang.psi.JetPsiUtil;
 import org.jetbrains.jet.plugin.JetIconProvider;
 
 import java.util.Collection;
@@ -75,6 +76,11 @@ public class JetClassOrObjectTreeNode extends AbstractPsiBasedNode<JetClassOrObj
         }
     }
 
+    @Override
+    protected boolean isDeprecated() {
+        return JetPsiUtil.isDeprecated(getValue());
+    }
+
     @Override
     public boolean canRepresent(Object element) {
         if (!isValid()) {

idea/src/org/jetbrains/jet/plugin/projectView/JetDeclarationTreeNode.java

@@ -105,4 +105,9 @@ public class JetDeclarationTreeNode extends AbstractPsiBasedNode<JetDeclaration>
             data.setPresentableText(text);
         }
     }
+
+    @Override
+    protected boolean isDeprecated() {
+        return JetPsiUtil.isDeprecated(getValue());
+    }
 }