/*=============================================================================#
# Copyright (c) 2010-2016 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
#=============================================================================*/
package de.walware.ecommons.ltk.buildpaths.ui;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import de.walware.ecommons.ui.SharedUIResources;
import de.walware.ecommons.ui.util.ImageDescriptorRegistry;
import de.walware.ecommons.ui.util.MessageUtil;
import de.walware.ecommons.ltk.buildpaths.core.BuildpathInitializer;
import de.walware.ecommons.ltk.buildpaths.core.IBuildpathAttribute;
import de.walware.ecommons.ltk.buildpaths.core.IBuildpathElement;
import de.walware.ecommons.ltk.internal.buildpaths.ui.BuildpathElementImageDescriptor;
import de.walware.ecommons.ltk.internal.buildpaths.ui.BuildpathsUIPlugin;
import de.walware.ecommons.ltk.internal.buildpaths.ui.Messages;
public class BuildpathListLabelProvider extends LabelProvider {
private final BuildpathsUIResources uiResources;
private final ISharedImages workbenchImages;
private final ImageDescriptorRegistry registry;
public BuildpathListLabelProvider() {
this.uiResources= BuildpathsUIResources.INSTANCE;
this.workbenchImages= PlatformUI.getWorkbench().getSharedImages();
this.registry= BuildpathsUIPlugin.getInstance().getImageDescriptorRegistry();
}
@Override
public Image getImage(final Object element) {
if (element instanceof BuildpathListElement) {
final BuildpathListElement listElement= (BuildpathListElement) element;
ImageDescriptor imageDescriptor= getListElementBaseImage(listElement);
if (imageDescriptor != null) {
if (listElement.isMissing() || listElement.hasMissingChildren()) {
imageDescriptor= new BuildpathElementImageDescriptor(imageDescriptor,
BuildpathElementImageDescriptor.ERROR,
SharedUIResources.INSTANCE.getIconDefaultSize() );
}
return this.registry.get(imageDescriptor);
}
}
else if (element instanceof BuildpathListElementAttribute) {
final BuildpathListElementAttribute attribute= (BuildpathListElementAttribute) element;
switch (attribute.getName()) {
case IBuildpathAttribute.SOURCE_ATTACHMENT:
return this.uiResources.getImage(
BuildpathsUIResources.OBJ_SOURCE_ATTACHMENT_ATTRIBUTE_IMAGE_ID );
case IBuildpathAttribute.FILTER_INCLUSIONS:
return this.uiResources.getImage(
BuildpathsUIResources.OBJ_INCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
case IBuildpathAttribute.FILTER_EXCLUSIONS:
return this.uiResources.getImage(
BuildpathsUIResources.OBJ_EXCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
case IBuildpathAttribute.OUTPUT:
return this.uiResources.getImage(
BuildpathsUIResources.OBJ_OUTPUT_FOLDER_ATTRIBUTE_IMAGE_ID );
default:
break;
}
}
return null;
}
@Override
public String getText(final Object element) {
if (element instanceof BuildpathListElement) {
return getListElementText((BuildpathListElement) element);
}
if (element instanceof BuildpathListElementAttribute) {
final BuildpathListElementAttribute attribute= (BuildpathListElementAttribute) element;
final String text= getListElementAttributeText(attribute);
if (attribute.getStatus().getCode() == BuildpathInitializer.READ_ONLY) {
return NLS.bind(Messages.ListLabel_Attribute_NonModifiable_label, text);
}
return text;
}
return super.getText(element);
}
private ImageDescriptor getListElementBaseImage(final BuildpathListElement listElement) {
switch (listElement.getType().getName()) {
case IBuildpathElement.PROJECT:
return this.workbenchImages.getImageDescriptor(
IDE.SharedImages.IMG_OBJ_PROJECT );
case IBuildpathElement.SOURCE:
if (listElement.getPath().segmentCount() == 1) {
return this.workbenchImages.getImageDescriptor(
IDE.SharedImages.IMG_OBJ_PROJECT );
}
else {
return this.workbenchImages.getImageDescriptor(
ISharedImages.IMG_OBJ_FOLDER );
}
default:
return null;
}
}
public String getListElementText(final BuildpathListElement element) {
final IPath path= element.getPath();
switch (element.getType().getName()) {
case IBuildpathElement.PROJECT:
String label= path.lastSegment();
if (element.isMissing()) {
label= label + ' ' + Messages.ListLabel_Deco_Missing_label;
}
return label;
case IBuildpathElement.SOURCE: {
final String pathLabel= getPathString(path, false);
final StringBuilder sb= new StringBuilder(pathLabel);
final IPath linkTarget= element.getLinkTarget();
if (linkTarget != null) {
sb.append(" - ");
sb.append(MessageUtil.processPath(linkTarget.toOSString()));
}
final IResource resource= element.getResource();
if (resource != null && !resource.exists()) {
if (element.isMissing()) {
sb.append(' ');
sb.append(Messages.ListLabel_Deco_Missing_label);
}
else {
sb.append(' ');
sb.append(Messages.ListLabel_Deco_New_label);
}
}
else if (element.getOrginalPath() == null) {
sb.append(' ');
sb.append(Messages.ListLabel_Deco_New_label);
}
return sb.toString();
}
default:
return Messages.ListLabel_Element_Unknown_label;
}
}
public String getListElementAttributeText(final BuildpathListElementAttribute attribute) {
final String key= attribute.getName();
switch (key) {
case IBuildpathAttribute.SOURCE_ATTACHMENT: {
final String detail;
final IPath path= (IPath) attribute.getValue();
if (path != null && !path.isEmpty()) {
if (attribute.getParent().getType().getName() == IBuildpathElement.VARIABLE) {
detail= getVariableString(path);
}
else {
detail= getPathString(path, path.getDevice() != null);
}
}
else {
detail= Messages.ListLabel_Value_None_label;
}
return NLS.bind(Messages.ListLabel_Attribute_SourceAttachment_label, detail);
}
case IBuildpathAttribute.FILTER_INCLUSIONS: {
final String detail;
final List<? extends IPath> patterns= (List<? extends IPath>) attribute.getValue();
if (patterns != null && !patterns.isEmpty()) {
final StringBuilder sb= new StringBuilder();
final int patternsCount= appendPatternList(patterns, sb);
if (patternsCount > 0) {
detail= sb.toString();
}
else {
detail= Messages.ListLabel_Value_Filter_None_label;
}
}
else {
detail= Messages.ListLabel_Value_Filter_All_label;
}
return NLS.bind(Messages.ListLabel_Attribute_Inclusion_label, detail);
}
case IBuildpathAttribute.FILTER_EXCLUSIONS: {
final String detail;
final List<? extends IPath> patterns= (List<? extends IPath>) attribute.getValue();
if (patterns != null && !patterns.isEmpty()) {
final StringBuilder sb= new StringBuilder();
final int patternsCount= appendPatternList(patterns, sb);
if (patternsCount > 0) {
detail= sb.toString();
}
else {
detail= Messages.ListLabel_Value_Filter_None_label;
}
}
else {
detail= Messages.ListLabel_Value_Filter_None_label;
}
return NLS.bind(Messages.ListLabel_Attribute_Exclusion_label, detail);
}
case IBuildpathAttribute.OUTPUT: {
final String detail;
final IPath path= (IPath) attribute.getValue();
if (path != null) {
detail= MessageUtil.processPath(path.toString());
}
else {
detail= Messages.ListLabel_Value_Output_Default_label;
}
return NLS.bind(Messages.ListLabel_Attribute_OutputFolder_label, detail);
}
default: {
// final ClasspathAttributeConfiguration config= this.fAttributeDescriptors.get(key);
// if (config != null) {
// final ClasspathAttributeAccess access= attribute.getClasspathAttributeAccess();
// final String nameLabel= config.getNameLabel(access);
// final String valueLabel= config.getValueLabel(access); // should be LTR marked
// return Messages.format(Messages.ListLabel_Provider_attribute_label, new String[] { nameLabel, valueLabel });
// }
String value= (String) attribute.getValue();
if (value == null) {
value= Messages.ListLabel_Value_None_label;
}
return NLS.bind(Messages.ListLabel_Attribute_Generic_label, key, value);
}
}
}
private int appendPatternList(final List<? extends IPath> patterns, final StringBuilder sb) {
int patternsCount= 0;
for (final IPath pattern : patterns) {
if (pattern.segmentCount() > 0) {
final String text= MessageUtil.processPath(pattern.toString());
if (patternsCount > 0) {
sb.append(Messages.ListLabel_Value_Path_separator);
}
sb.append(text);
patternsCount++;
}
}
return patternsCount;
}
private String getPathString(final IPath path, final boolean isExternal) {
return MessageUtil.processPath((isExternal) ? path.toOSString() : path.makeRelative().toString());
}
private String getVariableString(final IPath path) {
return MessageUtil.processPath(path.toString());
}
}