KT-1389 Ctrl-Alt-B on class declaration does not work - create a special renderer for showing JetLightClass in implementations list

#KT-1389 In Progress

idea/src/META-INF/plugin.xml

@@ -175,6 +175,7 @@
       <iconProvider implementation="org.jetbrains.jet.plugin.JetIconProvider"/>
       <itemPresentationProvider implementationClass="org.jetbrains.jet.plugin.presentation.JetFunctionPresenter" forClass="org.jetbrains.jet.lang.psi.JetNamedFunction"/>
       <itemPresentationProvider implementationClass="org.jetbrains.jet.plugin.presentation.JetClassPresenter" forClass="org.jetbrains.jet.lang.psi.JetClass"/>
+      <gotoTargetRendererProvider id="JetGotoTargetRenderProvider" implementation="org.jetbrains.jet.plugin.JetGotoTargetRenderProvider" order="first"/>
       <elementDescriptionProvider implementation="org.jetbrains.jet.plugin.findUsages.JetElementDescriptionProvider"/>
       <findUsagesHandlerFactory implementation="org.jetbrains.jet.plugin.findUsages.KotlinFindUsagesHandlerFactory"/>
       <debugger.positionManagerFactory implementation="org.jetbrains.jet.plugin.debugger.JetPositionManagerFactory"/>

idea/src/org/jetbrains/jet/plugin/JetGotoTargetRenderProvider.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.plugin;
+
+import com.intellij.codeInsight.navigation.GotoTargetHandler;
+import com.intellij.codeInsight.navigation.GotoTargetRendererProvider;
+import com.intellij.ide.util.PsiElementListCellRenderer;
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.asJava.JetLightClass;
+import org.jetbrains.jet.plugin.presentation.JetLightClassListCellRenderer;
+
+/**
+ * @author Nikolay Krasko
+ */
+public class JetGotoTargetRenderProvider implements GotoTargetRendererProvider {
+    @Nullable
+    @Override
+    public PsiElementListCellRenderer getRenderer(PsiElement element, GotoTargetHandler.GotoData gotoData) {
+        if (element instanceof JetLightClass) {
+            // Need to override default Java render
+            return new JetLightClassListCellRenderer();
+        }
+
+        return null;
+    }
+}

idea/src/org/jetbrains/jet/plugin/JetIconProvider.java

@@ -26,6 +26,7 @@ import com.intellij.util.PlatformIcons;
 import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.asJava.JetLightClass;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lexer.JetTokens;
 
@@ -90,6 +91,11 @@ public class JetIconProvider extends IconProvider {
             JetProperty property = (JetProperty)psiElement;
             return property.isVar() ? JetIcons.FIELD_VAR : JetIcons.FIELD_VAL;
         }
+
+        if (psiElement instanceof JetLightClass) {
+            return JetIcons.CLASS;
+        }
+
         return null;
     }
 

idea/src/org/jetbrains/jet/plugin/presentation/JetClassPresenter.java

@@ -49,10 +49,10 @@ public class JetClassPresenter implements ItemPresentationProvider<JetClass> {
             public String getLocationString() {
                 FqName name = JetPsiUtil.getFQName(item);
                 if (name != null) {
-                    return name.toString();
+                    return "(" + name.parent().toString() + ")";
                 }
 
-                return "";
+                return null;
             }
 
             @Override

idea/src/org/jetbrains/jet/plugin/presentation/JetLightClassListCellRenderer.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.plugin.presentation;
+
+import com.intellij.ide.util.PsiElementListCellRenderer;
+import com.intellij.psi.presentation.java.ClassPresentationUtil;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.asJava.JetLightClass;
+
+/**
+ * @author Nikolay Krasko
+ */
+public class JetLightClassListCellRenderer extends PsiElementListCellRenderer<JetLightClass> {
+    @Override
+    public String getElementText(JetLightClass element) {
+        return ClassPresentationUtil.getNameForClass(element, false);
+    }
+
+    @Override
+    protected String getContainerText(JetLightClass element, final String name) {
+        return getContainerTextStatic(element);
+    }
+
+    @Nullable
+    public static String getContainerTextStatic(final JetLightClass element) {
+        return "(" + element.getFqName().parent() + ")";
+    }
+
+    @Override
+    protected int getIconFlags() {
+        return 0;
+    }
+}