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package org.eclipse.cdt.internal.ui;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import org.eclipse.cdt.core.model.IBinary;
import org.eclipse.cdt.core.model.IBinaryModule;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.IDeclaration;
import org.eclipse.cdt.core.model.IMember;
import org.eclipse.cdt.core.model.IMethodDeclaration;
import org.eclipse.cdt.core.model.IField;
import org.eclipse.cdt.internal.ui.util.ImageDescriptorRegistry;
import org.eclipse.cdt.ui.CElementImageDescriptor;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.model.IWorkbenchAdapter;
/**
* Default strategy of the C plugin for the construction of C element icons.
*/
public class CElementImageProvider {
/**
* Flags for the CImageLabelProvider:
* Generate images with overlays.
*/
public final static int OVERLAY_ICONS= 0x1;
/**
* Generate small sized images.
*/
public final static int SMALL_ICONS= 0x2;
/**
* Use the 'light' style for rendering types.
*/
public final static int LIGHT_TYPE_ICONS= 0x4;
/**
* Show error overrlay.
*/
public final static int OVERLAY_ERROR= 0x8;
/**
* Show warning overrlay
*/
public final static int OVERLAY_WARNING= 0x10;
/**
* Show override overrlay.
*/
public final static int OVERLAY_OVERRIDE= 0x20;
/**
* Show implements overrlay.
*/
public final static int OVERLAY_IMPLEMENTS= 0x40;
private static final Point SMALL_SIZE= new Point(16, 16);
private static final Point BIG_SIZE= new Point(22, 16);
private static ImageDescriptor DESC_OBJ_PROJECT_CLOSED;
private static ImageDescriptor DESC_OBJ_PROJECT;
private static ImageDescriptor DESC_OBJ_FOLDER;
{
ISharedImages images= CUIPlugin.getDefault().getWorkbench().getSharedImages();
DESC_OBJ_PROJECT_CLOSED= images.getImageDescriptor(ISharedImages.IMG_OBJ_PROJECT_CLOSED);
DESC_OBJ_PROJECT= images.getImageDescriptor(ISharedImages.IMG_OBJ_PROJECT);
DESC_OBJ_FOLDER= images.getImageDescriptor(ISharedImages.IMG_OBJ_FOLDER);
}
private ImageDescriptorRegistry fRegistry;
public CElementImageProvider() {
fRegistry= CUIPlugin.getImageDescriptorRegistry();
}
/**
* Returns the icon for a given element. The icon depends on the element type
* and element properties. If configured, overlay icons are constructed for
* <code>ISourceReference</code>s.
* @param flags Flags as defined by the JavaImageLabelProvider
*/
public Image getImageLabel(Object element, int flags) {
ImageDescriptor descriptor= null;
if (element instanceof ICElement) {
descriptor= getCImageDescriptor((ICElement) element, flags);
}
// if (descriptor == null && element instanceof ICFile) {
// element = ((ICFile)element).getFile();
// }
if (descriptor == null && element instanceof IAdaptable) {
descriptor= getWorkbenchImageDescriptor((IAdaptable) element, flags);
}
if (descriptor != null) {
return fRegistry.get(descriptor);
}
return null;
}
private boolean showOverlayIcons(int flags) {
return (flags & OVERLAY_ICONS) != 0;
}
private boolean useLightIcons(int flags) {
return (flags & LIGHT_TYPE_ICONS) != 0;
}
private boolean useSmallSize(int flags) {
return (flags & SMALL_ICONS) != 0;
}
/**
* Returns an image descriptor for a C element. The descriptor includes overlays, if specified.
*/
public ImageDescriptor getCImageDescriptor(ICElement element, int flags) {
int adornmentFlags= computeCAdornmentFlags(element, flags);
Point size= useSmallSize(flags) ? SMALL_SIZE : BIG_SIZE;
ImageDescriptor desc = getBaseImageDescriptor(element, flags);
if(desc != null) {
return new CElementImageDescriptor(desc, adornmentFlags, size);
}
return null;
}
/**
* Returns an image descriptor for a IAdaptable. The descriptor includes overlays, if specified (only error ticks apply).
* Returns <code>null</code> if no image could be found.
*/
public ImageDescriptor getWorkbenchImageDescriptor(IAdaptable adaptable, int flags) {
IWorkbenchAdapter wbAdapter= (IWorkbenchAdapter) adaptable.getAdapter(IWorkbenchAdapter.class);
if (wbAdapter == null) {
return null;
}
ImageDescriptor descriptor= wbAdapter.getImageDescriptor(adaptable);
if (descriptor == null) {
return null;
}
int adornmentFlags= computeBasicAdornmentFlags(adaptable, flags);
Point size= useSmallSize(flags) ? SMALL_SIZE : BIG_SIZE;
return new CElementImageDescriptor(descriptor, adornmentFlags, size);
}
// ---- Computation of base image key -------------------------------------------------
/**
* Returns an image descriptor for a C element. This is the base image, no overlays.
*/
public ImageDescriptor getBaseImageDescriptor(ICElement celement, int renderFlags) {
int type = celement.getElementType();
switch (type) {
case ICElement.C_VCONTAINER:
if (celement instanceof IBinaryModule) {
return CPluginImages.DESC_OBJS_BINARY;
}
return CPluginImages.DESC_OBJS_CONTAINER;
case ICElement.C_BINARY: {
IBinary bin = (IBinary)celement;
if (bin.isExecutable()) {
if (bin.hasDebug())
return CPluginImages.DESC_OBJS_CEXEC_DEBUG;
return CPluginImages.DESC_OBJS_CEXEC;
} else if (bin.isSharedLib()) {
return CPluginImages.DESC_OBJS_SHLIB;
} else if (bin.isCore()) {
return CPluginImages.DESC_OBJS_CORE;
}
return CPluginImages.DESC_OBJS_BINARY;
}
case ICElement.C_ARCHIVE:
return CPluginImages.DESC_OBJS_ARCHIVE;
case ICElement.C_UNIT:
return CPluginImages.DESC_OBJS_TUNIT;
case ICElement.C_CCONTAINER:
return DESC_OBJ_FOLDER;
case ICElement.C_PROJECT:
ICProject cp= (ICProject)celement;
if (cp.getProject().isOpen()) {
IProject project= cp.getProject();
IWorkbenchAdapter adapter= (IWorkbenchAdapter)project.getAdapter(IWorkbenchAdapter.class);
if (adapter != null) {
ImageDescriptor result= adapter.getImageDescriptor(project);
if (result != null)
return result;
}
return DESC_OBJ_PROJECT;
}
return DESC_OBJ_PROJECT_CLOSED;
case ICElement.C_STRUCT:
return CPluginImages.DESC_OBJS_STRUCT;
case ICElement.C_CLASS:
return CPluginImages.DESC_OBJS_CLASS;
case ICElement.C_UNION:
return CPluginImages.DESC_OBJS_UNION;
case ICElement.C_TYPEDEF:
return CPluginImages.DESC_OBJS_TYPEDEF;
case ICElement.C_ENUMERATION:
return CPluginImages.DESC_OBJS_ENUMERATION;
case ICElement.C_ENUMERATOR:
return CPluginImages.DESC_OBJS_ENUMERATOR;
case ICElement.C_FIELD:
IField field = (IField)celement;
switch(field.getVisibility()){
case IMember.V_PUBLIC:
return CPluginImages.DESC_OBJS_PUBLIC_FIELD;
case IMember.V_PROTECTED:
return CPluginImages.DESC_OBJS_PROTECTED_FIELD;
case IMember.V_PRIVATE:
return CPluginImages.DESC_OBJS_PRIVATE_FIELD;
}
case ICElement.C_VARIABLE:
return CPluginImages.DESC_OBJS_FIELD;
case ICElement.C_METHOD:
case ICElement.C_METHOD_DECLARATION:
IMethodDeclaration md= (IMethodDeclaration)celement;
switch(md.getVisibility()){
case IMember.V_PUBLIC:
return CPluginImages.DESC_OBJS_PUBLIC_METHOD;
case IMember.V_PROTECTED:
return CPluginImages.DESC_OBJS_PROTECTED_METHOD;
case IMember.V_PRIVATE:
return CPluginImages.DESC_OBJS_PRIVATE_METHOD;
}
case ICElement.C_FUNCTION:
return CPluginImages.DESC_OBJS_FUNCTION;
case ICElement.C_FUNCTION_DECLARATION:
return CPluginImages.DESC_OBJS_DECLARARION;
case ICElement.C_INCLUDE:
return CPluginImages.DESC_OBJS_INCLUDE;
case ICElement.C_MACRO:
return CPluginImages.DESC_OBJS_MACRO;
}
return null;
}
public ImageDescriptor getCElementImageDescriptor(int type) {
switch (type) {
case ICElement.C_VCONTAINER:
return CPluginImages.DESC_OBJS_CONTAINER;
case ICElement.C_UNIT:
return CPluginImages.DESC_OBJS_TUNIT;
case ICElement.C_STRUCT:
return CPluginImages.DESC_OBJS_STRUCT;
case ICElement.C_CLASS:
return CPluginImages.DESC_OBJS_CLASS;
case ICElement.C_UNION:
return CPluginImages.DESC_OBJS_UNION;
case ICElement.C_TYPEDEF:
return CPluginImages.DESC_OBJS_TYPEDEF;
case ICElement.C_ENUMERATION:
return CPluginImages.DESC_OBJS_ENUMERATION;
case ICElement.C_ENUMERATOR:
return CPluginImages.DESC_OBJS_ENUMERATOR;
case ICElement.C_FIELD:
return CPluginImages.DESC_OBJS_PUBLIC_FIELD;
case ICElement.C_VARIABLE:
return CPluginImages.DESC_OBJS_FIELD;
case ICElement.C_METHOD: // assumed public
return CPluginImages.DESC_OBJS_PUBLIC_METHOD;
case ICElement.C_FUNCTION:
case ICElement.C_FUNCTION_DECLARATION:
return CPluginImages.DESC_OBJS_FUNCTION;
case ICElement.C_INCLUDE:
return CPluginImages.DESC_OBJS_INCLUDE;
case ICElement.C_MACRO:
return CPluginImages.DESC_OBJS_MACRO;
}
System.out.println("Unknown base object ype " + type);
return CPluginImages.DESC_OBJS_MACRO;
//return null;
}
// ---- Methods to compute the adornments flags ---------------------------------
private int computeCAdornmentFlags(ICElement element, int renderFlags) {
int flags= computeBasicAdornmentFlags(element, renderFlags);
if (showOverlayIcons(renderFlags) && element instanceof IDeclaration) {
IDeclaration decl = (IDeclaration) element;
if(decl.isStatic()){
flags |= CElementImageDescriptor.STATIC;
}
if(decl.isConst()){
flags |= CElementImageDescriptor.CONSTANT;
}
if(decl.isVolatile()){
flags |= CElementImageDescriptor.VOLATILE;
}
}
return flags;
}
private int computeBasicAdornmentFlags(Object element, int renderFlags) {
int flags= 0;
if ((renderFlags & OVERLAY_ERROR) !=0) {
flags |= CElementImageDescriptor.ERROR;
}
if ((renderFlags & OVERLAY_WARNING) !=0) {
flags |= CElementImageDescriptor.WARNING;
}
if ((renderFlags & OVERLAY_OVERRIDE) !=0) {
flags |= CElementImageDescriptor.OVERRIDES;
}
if ((renderFlags & OVERLAY_IMPLEMENTS) !=0) {
flags |= CElementImageDescriptor.IMPLEMENTS;
}
return flags;
}
public void dispose() {
}
}
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