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/*******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* QNX Software Systems - adapted for use in CDT
* Andrew Ferguson (Symbian)
* Anton Leherbauer (Wind River Systems)
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.ui.browser.typeinfo;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.cdt.core.browser.IFunctionInfo;
import org.eclipse.cdt.core.browser.IQualifiedTypeName;
import org.eclipse.cdt.core.browser.ITypeInfo;
import org.eclipse.cdt.core.browser.ITypeReference;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.IVariableDeclaration;
import org.eclipse.cdt.internal.core.model.FunctionDeclaration;
import org.eclipse.cdt.internal.ui.CPluginImages;
public class TypeInfoLabelProvider extends LabelProvider {
public static final int SHOW_NAME_ONLY= 0x01;
public static final int SHOW_ENCLOSING_TYPE_ONLY= 0x02;
public static final int SHOW_FULLY_QUALIFIED= 0x04;
public static final int SHOW_PATH= 0x08;
public static final int SHOW_PARAMETERS= 0x10;
public static final int SHOW_RETURN_TYPE= 0x20;
private static final Image HEADER_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_TUNIT_HEADER);
private static final Image SOURCE_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_TUNIT);
private static final Image NAMESPACE_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_NAMESPACE);
private static final Image TEMPLATE_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_TEMPLATE);
private static final Image CLASS_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_CLASS);
private static final Image STRUCT_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_STRUCT);
private static final Image TYPEDEF_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_TYPEDEF);
private static final Image UNION_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_UNION);
private static final Image ENUM_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_ENUMERATION);
private static final Image FUNCTION_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_FUNCTION);
private static final Image VARIABLE_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_VARIABLE);
private static final Image MACRO_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_MACRO);
private static final Image UNKNOWN_TYPE_ICON= CPluginImages.get(CPluginImages.IMG_OBJS_UNKNOWN_TYPE);
private int fFlags;
public TypeInfoLabelProvider(int flags) {
fFlags= flags;
}
private boolean isSet(int flag) {
return (fFlags & flag) != 0;
}
/* non java-doc
* @see ILabelProvider#getText
*/
@Override
public String getText(Object element) {
if (! (element instanceof ITypeInfo))
return super.getText(element);
ITypeInfo typeInfo= (ITypeInfo) element;
IQualifiedTypeName qualifiedName = typeInfo.getQualifiedTypeName();
StringBuffer buf= new StringBuffer();
if (isSet(SHOW_NAME_ONLY)) {
String name= typeInfo.getName();
if (name != null && name.length() > 0)
buf.append(name);
} else if (isSet(SHOW_ENCLOSING_TYPE_ONLY)) {
IQualifiedTypeName parentName= qualifiedName.getEnclosingTypeName();
if (parentName != null) {
buf.append(parentName.getFullyQualifiedName());
} else {
buf.append(TypeInfoMessages.TypeInfoLabelProvider_globalScope);
}
} else if (isSet(SHOW_FULLY_QUALIFIED)) {
if (qualifiedName.isGlobal()) {
buf.append(TypeInfoMessages.TypeInfoLabelProvider_globalScope);
buf.append(' ');
}
buf.append(qualifiedName.getFullyQualifiedName());
}
if (isSet(SHOW_PARAMETERS)) {
final int elementType = typeInfo.getCElementType();
if (elementType == ICElement.C_FUNCTION || elementType == ICElement.C_MACRO) {
if (typeInfo instanceof IFunctionInfo) {
IFunctionInfo functionInfo= (IFunctionInfo)typeInfo;
String[] params= functionInfo.getParameters();
if (params != null) {
buf.append(FunctionDeclaration.getParameterClause(params));
}
}
}
}
if (isSet(SHOW_RETURN_TYPE)) {
switch(typeInfo.getCElementType()) {
case ICElement.C_FUNCTION:
if (typeInfo instanceof IFunctionInfo) {
IFunctionInfo functionInfo= (IFunctionInfo)typeInfo;
String returnType= functionInfo.getReturnType();
if (returnType != null && returnType.length() > 0) {
buf.append(TypeInfoMessages.TypeInfoLabelProvider_colon);
buf.append(returnType);
}
}
case ICElement.C_VARIABLE:
ITypeReference ref= typeInfo.getResolvedReference();
if (ref != null) {
ICElement[] cElements= ref.getCElements();
if (cElements != null && cElements.length > 0) {
String returnType= null;
if (cElements[0] instanceof IVariableDeclaration) {
try {
returnType= ((IVariableDeclaration)cElements[0]).getTypeName();
} catch (CModelException exc) {
}
}
if (returnType != null && returnType.length() > 0) {
buf.append(TypeInfoMessages.TypeInfoLabelProvider_colon);
buf.append(returnType);
}
}
}
}
}
if (isSet(SHOW_PATH)) {
IPath path = null;
ITypeReference ref = typeInfo.getResolvedReference();
if (ref != null) {
path = ref.getPath();
} else {
ICProject project = typeInfo.getEnclosingProject();
if (project != null) {
path = project.getProject().getFullPath();
}
}
if (path != null) {
buf.append(TypeInfoMessages.TypeInfoLabelProvider_dash);
buf.append(path.toString());
}
}
return buf.toString();
}
/* non java-doc
* @see ILabelProvider#getImage
*/
@Override
public Image getImage(Object element) {
if (!(element instanceof ITypeInfo))
return super.getImage(element);
ITypeInfo typeRef= (ITypeInfo) element;
if (isSet(SHOW_ENCLOSING_TYPE_ONLY)) {
ITypeInfo parentInfo = typeRef.getEnclosingType();
if (parentInfo != null) {
return getTypeIcon(parentInfo.getCElementType());
}
IPath path = null;
ITypeReference ref = typeRef.getResolvedReference();
if (ref != null) {
path = ref.getPath();
// IndexTypeInfo may not have an enclosing project
ICProject cproject = typeRef.getEnclosingProject();
IProject project = cproject==null ? null : cproject.getProject();
if (CoreModel.isValidHeaderUnitName(project, path.lastSegment())) {
return HEADER_ICON;
}
}
return SOURCE_ICON;
}
return getTypeIcon(typeRef.getCElementType());
}
public static Image getTypeIcon(int type)
{
switch (type)
{
case ICElement.C_NAMESPACE:
return NAMESPACE_ICON;
case ICElement.C_TEMPLATE_CLASS:
return TEMPLATE_ICON;
case ICElement.C_CLASS:
return CLASS_ICON;
case ICElement.C_STRUCT:
return STRUCT_ICON;
case ICElement.C_UNION:
return UNION_ICON;
case ICElement.C_ENUMERATION:
return ENUM_ICON;
case ICElement.C_TYPEDEF:
return TYPEDEF_ICON;
case ICElement.C_FUNCTION:
return FUNCTION_ICON;
case ICElement.C_VARIABLE:
return VARIABLE_ICON;
case ICElement.C_MACRO:
return MACRO_ICON;
default:
return UNKNOWN_TYPE_ICON;
}
}
}
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