From ee979cebbcc0d6be6b0fc37d5c09fc771fd23df5 Mon Sep 17 00:00:00 2001
From: Markus Schorn <markus.schorn@windriver.com>
Date: Wed, 13 Sep 2006 11:00:02 +0000
Subject: [PATCH] Call Hierarchy: Fix view description; remove 'Open Call
 Hierarchy' action from toolbar; limit drag'n'drop to functions and variables.

---
 core/org.eclipse.cdt.ui/plugin.xml            |  1 -
 .../ui/callhierarchy/CHContentProvider.java   |  9 +++
 .../callhierarchy/CHDropTargetListener.java   |  5 +-
 .../ui/callhierarchy/CHMessages.properties    |  2 +-
 .../internal/ui/callhierarchy/CHViewPart.java | 73 ++++++++++---------
 .../ui/callhierarchy/CHWorkingSetFilter.java  | 64 ----------------
 .../ui/callhierarchy/CallHierarchyUI.java     |  2 +-
 .../internal/ui/missingapi/CIndexQueries.java | 45 +++++++++---
 8 files changed, 88 insertions(+), 113 deletions(-)
 delete mode 100644 core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHWorkingSetFilter.java

diff --git a/core/org.eclipse.cdt.ui/plugin.xml b/core/org.eclipse.cdt.ui/plugin.xml
index 99e03ed0e89..fca961a1d76 100644
--- a/core/org.eclipse.cdt.ui/plugin.xml
+++ b/core/org.eclipse.cdt.ui/plugin.xml
@@ -1130,7 +1130,6 @@
                label="%OpenCallHierarchy.label"
                menubarPath="navigate/open.ext"
                retarget="true"
-               toolbarPath="org.eclipse.search.searchActionSet/Search"
                tooltip="%OpenCallHierarchy.tooltip">
          </action>
         <!--action
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHContentProvider.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHContentProvider.java
index 1b3e926ea8e..c7a29876608 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHContentProvider.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHContentProvider.java
@@ -98,6 +98,15 @@ public class CHContentProvider extends AsyncTreeContentProvider {
 			CHNode node = (CHNode) parentElement;
 			ICElement elem= node.getRepresentedDeclaration();
 			if (elem != null) {
+				// mstodo !! for demo only !!
+				if (elem.getElementName().equals("slow")) { //$NON-NLS-1$
+					try {
+						Thread.sleep(3000);
+					} catch (InterruptedException e) {
+						e.printStackTrace();
+					}
+				}
+				// mstodo !! for demo only !!
 				if (fComputeReferencedBy) {
 					return asyncronouslyComputeReferencedBy(node, elem);
 				}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHDropTargetListener.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHDropTargetListener.java
index 3a942657a6a..b67879d5324 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHDropTargetListener.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHDropTargetListener.java
@@ -24,6 +24,8 @@ import org.eclipse.swt.widgets.Display;
 
 import org.eclipse.cdt.core.model.ICElement;
 
+import org.eclipse.cdt.internal.ui.missingapi.CIndexQueries;
+
 public class CHDropTargetListener implements DropTargetListener {
     
     private CHViewPart fCallHierarchy;
@@ -44,8 +46,9 @@ public class CHDropTargetListener implements DropTargetListener {
         if (event.detail != DND.DROP_NONE) {
 			if (LocalSelectionTransfer.getTransfer().isSupportedType(event.currentDataType)) {
 				fInput= checkLocalSelection();
-				if (fInput == null) {
+				if (!CIndexQueries.isRelevantForCallHierarchy(fInput)) {
 					event.detail= DND.DROP_NONE;
+					fInput= null;
 				}
         	}
         }
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHMessages.properties b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHMessages.properties
index 77ec4eaef15..32032a79e72 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHMessages.properties
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHMessages.properties
@@ -20,7 +20,7 @@ CHViewPart_Refresh_label=Refresh
 CHViewPart_Refresh_tooltip=Refresh View Content
 CHViewPart_WorkspaceScope=workspace
 CHViewPart_Title_callers=Callers of {0} - in {1}
-CHViewPart_Title_callees=Calls made by {0} - in {1}
+CHViewPart_Title_callees=Calls from {0} - in {1}
 CHViewPart_FocusOn_label=Focus On ''{0}''
 CHViewPart_Open_label=Open
 CHViewPart_Open_tooltip=Open
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHViewPart.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHViewPart.java
index 2b39fb6c7e8..b8bb46f18cc 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHViewPart.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHViewPart.java
@@ -15,7 +15,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;
 
-import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.IMenuListener;
@@ -51,6 +50,7 @@ import org.eclipse.ui.IMemento;
 import org.eclipse.ui.IViewSite;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPartSite;
+import org.eclipse.ui.IWorkingSet;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.actions.ActionFactory;
 import org.eclipse.ui.part.PageBook;
@@ -106,11 +106,11 @@ public class CHViewPart extends ViewPart {
     private ExtendedTreeViewer fTreeViewer;
 
     // filters, sorter
-    private CHWorkingSetFilter fWorkingSetFilter;
     private ViewerFilter fVariableFilter;
     private ViewerFilter fMacroFilter;
     private ViewerComparator fSorterAlphaNumeric;
     private ViewerComparator fSorterReferencePosition;
+	private WorkingSetFilterUI fWorkingSetFilterUI;
 
     // actions
     private Action fReferencedByAction;
@@ -129,7 +129,6 @@ public class CHViewPart extends ViewPart {
 	private OpenViewActionGroup fOpenViewActionGroup;
 	private SelectionSearchGroup fSelectionSearchGroup;
 	private CRefactoringActionGroup fRefactoringActionGroup;
-	private WorkingSetFilterUI fFilterUI;
 
     
     public void setFocus() {
@@ -205,9 +204,9 @@ public class CHViewPart extends ViewPart {
 			fRefactoringActionGroup.dispose();
 			fRefactoringActionGroup= null;
 		}
-		if (fFilterUI != null) {
-			fFilterUI.dispose();
-			fFilterUI= null;
+		if (fWorkingSetFilterUI != null) {
+			fWorkingSetFilterUI.dispose();
+			fWorkingSetFilterUI= null;
 		}
 		super.dispose();
 	}
@@ -245,8 +244,8 @@ public class CHViewPart extends ViewPart {
 
 
     public void saveState(IMemento memento) {
-        if (fWorkingSetFilter != null) {
-            fWorkingSetFilter.getUI().saveState(memento, KEY_WORKING_SET_FILTER);
+        if (fWorkingSetFilterUI != null) {
+        	fWorkingSetFilterUI.saveState(memento, KEY_WORKING_SET_FILTER);
         }
         memento.putString(KEY_FILTER_MACROS, String.valueOf(fFilterMacrosAction.isChecked()));
         memento.putString(KEY_FILTER_VARIABLES, String.valueOf(fFilterVariablesAction.isChecked()));
@@ -313,7 +312,7 @@ public class CHViewPart extends ViewPart {
     	fSelectionSearchGroup= new SelectionSearchGroup(getSite());
     	fRefactoringActionGroup= new CRefactoringActionGroup(this);
     	
-        fFilterUI= new WorkingSetFilterUI(this, fMemento, KEY_WORKING_SET_FILTER) {
+    	fWorkingSetFilterUI= new WorkingSetFilterUI(this, fMemento, KEY_WORKING_SET_FILTER) {
             protected void onWorkingSetChange() {
                 updateWorkingSetFilter(this);
             }
@@ -490,7 +489,7 @@ public class CHViewPart extends ViewPart {
 //        tm.add(fNext);
 //        tm.add(fPrevious);
 //        tm.add(new Separator());
-        fFilterUI.fillActionBars(actionBars);
+        fWorkingSetFilterUI.fillActionBars(actionBars);
         mm.add(fReferencedByAction);
         mm.add(fMakesReferenceToAction);
         mm.add(new Separator());
@@ -602,28 +601,32 @@ public class CHViewPart extends ViewPart {
     private void updateDescription() {
         String message= ""; //$NON-NLS-1$
         if (!fShowsMessage) {
-        	ITranslationUnit tu= getInput();
-            if (tu != null) {
-                IPath path= tu.getPath();
-                if (path != null) {
-                    String format, file, scope;
-                    
-                    file= path.lastSegment() + "(" + path.removeLastSegments(1) + ")";  //$NON-NLS-1$//$NON-NLS-2$
-                    if (fWorkingSetFilter == null) {
-                        scope= CHMessages.CHViewPart_WorkspaceScope;
-                    }
-                    else {
-                        scope= fWorkingSetFilter.getLabel();
-                    }
-                    
-                    if (fReferencedByAction.isChecked()) {
-                        format= CHMessages.CHViewPart_Title_callers;
-                    }
-                    else {
-                        format= CHMessages.CHViewPart_Title_callees;
-                    }
-                    message= Messages.format(format, file, scope);
-                }
+        	ICElement elem= getInput();
+            if (elem != null) {
+                String format, scope, label;
+            	
+                // label
+                label= CElementLabels.getElementLabel(elem, CHHistoryAction.LABEL_OPTIONS);
+            	
+                // scope
+                IWorkingSet workingSet= fWorkingSetFilterUI.getWorkingSet();
+            	if (workingSet == null) {	
+            		scope= CHMessages.CHViewPart_WorkspaceScope;
+            	}
+            	else {
+            		scope= workingSet.getLabel();
+            	}
+                
+            	// format
+            	if (fReferencedByAction.isChecked()) {
+            		format= CHMessages.CHViewPart_Title_callers;
+            	}
+            	else {
+            		format= CHMessages.CHViewPart_Title_callees;
+            	}
+            	
+            	// message
+            	message= Messages.format(format, label, scope);
             }
         }
         message= "The Call Hierarchy is work in progress! - " + message; //$NON-NLS-1$
@@ -767,10 +770,10 @@ public class CHViewPart extends ViewPart {
 		fHistoryEntries.addAll(Arrays.asList(remaining));
 	}
 
-	public ITranslationUnit getInput() {
+	public ICElement getInput() {
         Object input= fTreeViewer.getInput();
-        if (input instanceof ITranslationUnit) {
-        	return (ITranslationUnit) input;
+        if (input instanceof ICElement) {
+        	return (ICElement) input;
         }
         return null;
 	}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHWorkingSetFilter.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHWorkingSetFilter.java
deleted file mode 100644
index 212ec45b2d7..00000000000
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHWorkingSetFilter.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006 Wind River Systems, Inc. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *    Markus Schorn - initial API and implementation
- *******************************************************************************/ 
-
-package org.eclipse.cdt.internal.ui.callhierarchy;
-
-import org.eclipse.jface.viewers.Viewer;
-import org.eclipse.jface.viewers.ViewerFilter;
-import org.eclipse.ui.IWorkingSet;
-
-import org.eclipse.cdt.core.model.ICElement;
-
-import org.eclipse.cdt.internal.ui.viewsupport.WorkingSetFilterUI;
-
-public class CHWorkingSetFilter extends ViewerFilter {
-
-    private WorkingSetFilterUI fWorkingSetFilter;
-    
-    public CHWorkingSetFilter(WorkingSetFilterUI wsFilter) {
-        fWorkingSetFilter= wsFilter;
-    }
-    
-    public boolean select(Viewer viewer, Object parentElement, Object element) {
-        if (parentElement instanceof CHNode) {
-        	if (element instanceof CHMultiDefNode) {
-            	CHNode[] children= ((CHMultiDefNode) element).getChildNodes();
-            	for (int i = 0; i < children.length; i++) {
-					CHNode node = children[i];
-					if (fWorkingSetFilter.isPartOfWorkingSet(node.getRepresentedDeclaration())) {
-						return true;
-					}
-				}
-            	return false;
-        	}
-        	else if (element instanceof CHNode) {
-        		CHNode node= (CHNode) element;
-            	ICElement decl= node.getRepresentedDeclaration();
-            	if (decl != null) {
-            		return fWorkingSetFilter.isPartOfWorkingSet(decl);
-            	}
-            }
-        }
-        return true;
-    }
-
-    public WorkingSetFilterUI getUI() {
-        return fWorkingSetFilter;
-    }
-
-    public String getLabel() {
-        IWorkingSet ws= fWorkingSetFilter.getWorkingSet();
-        if (ws != null) {
-            return ws.getLabel();
-        }
-        return CHMessages.CHViewPart_WorkspaceScope;
-    }
-}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CallHierarchyUI.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CallHierarchyUI.java
index f513e18fe18..f21d1cd4a55 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CallHierarchyUI.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CallHierarchyUI.java
@@ -145,7 +145,7 @@ public class CallHierarchyUI {
 			IASTName name= getSelectedName(editorInput, sel);
 			if (name != null) {
 				IBinding binding= name.resolveBinding();
-				if (index.isRelevantForCallHierarchy(binding)) {
+				if (CIndexQueries.isRelevantForCallHierarchy(binding)) {
 					if (name.isDefinition()) {
 						ICElement elem= index.findDefinition(project, name);
 						if (elem != null) {
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/missingapi/CIndexQueries.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/missingapi/CIndexQueries.java
index fe6016efa0f..b6219986e88 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/missingapi/CIndexQueries.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/missingapi/CIndexQueries.java
@@ -67,6 +67,41 @@ public class CIndexQueries {
 		return sInstance;
 	}
 	
+	public static boolean isRelevantForCallHierarchy(IBinding binding) {
+		if (binding instanceof ICExternalBinding ||
+				binding instanceof IEnumerator ||
+				binding instanceof IFunction ||
+				binding instanceof IVariable) {
+			return true;
+		}
+		return false;
+	}
+
+	public static boolean isRelevantForCallHierarchy(ICElement elem) {
+		if (elem == null) {
+			return false;
+		}
+		switch (elem.getElementType()) {
+		case ICElement.C_CLASS_CTOR:
+		case ICElement.C_CLASS_DTOR:
+		case ICElement.C_ENUMERATOR:
+		case ICElement.C_FIELD:
+		case ICElement.C_FUNCTION:
+		case ICElement.C_FUNCTION_DECLARATION:
+		case ICElement.C_METHOD:
+		case ICElement.C_METHOD_DECLARATION:
+		case ICElement.C_TEMPLATE_FUNCTION:
+		case ICElement.C_TEMPLATE_FUNCTION_DECLARATION:
+		case ICElement.C_TEMPLATE_METHOD:
+		case ICElement.C_TEMPLATE_METHOD_DECLARATION:
+		case ICElement.C_TEMPLATE_VARIABLE:
+		case ICElement.C_VARIABLE:
+		case ICElement.C_VARIABLE_DECLARATION:
+			return true;
+		}
+		return false;
+	}
+
 	/**
 	 * Searches for all include-relations that include the given translation unit.
 	 * @param scope the projects to be searched.
@@ -404,16 +439,6 @@ public class CIndexQueries {
 		}
 	}
 	
-	public boolean isRelevantForCallHierarchy(IBinding binding) {
-		if (binding instanceof ICExternalBinding ||
-				binding instanceof IEnumerator ||
-				binding instanceof IFunction ||
-				binding instanceof IVariable) {
-			return true;
-		}
-		return false;
-	}
-
 	public ICElement[] findAllDefinitions(ICProject[] projectsToSearch, IASTName name) {
 		ArrayList result= new ArrayList();
 		for (int i = 0; i < projectsToSearch.length; i++) {