ltk/org.eclipse.statet.ltk.buildpath.ui/src/org/eclipse/statet/ltk/buildpath/ui/BuildpathListLabelProvider.java - statet/org.eclipse.statet-ltk - Git at Google

 /*=============================================================================#
  # Copyright (c) 2010, 2020 IBM Corporation and others.
  #
  # This program and the accompanying materials are made available under the
  # terms of the Eclipse Public License 2.0 which is available at
  # https://www.eclipse.org/legal/epl-2.0.
  #
  # SPDX-License-Identifier: EPL-2.0
  #
  # Contributors:
  #     IBM Corporation - org.eclipse.jdt: initial API and implementation
  #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
  #=============================================================================*/

 package org.eclipse.statet.ltk.buildpath.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 org.eclipse.statet.ecommons.ui.SharedUIResources;
 import org.eclipse.statet.ecommons.ui.util.ImageDescriptorRegistry;
 import org.eclipse.statet.ecommons.ui.util.MessageUtils;

 import org.eclipse.statet.internal.ltk.buildpath.ui.BuildpathElementImageDescriptor;
 import org.eclipse.statet.internal.ltk.buildpath.ui.BuildpathsUIPlugin;
 import org.eclipse.statet.internal.ltk.buildpath.ui.Messages;
 import org.eclipse.statet.ltk.buildpath.core.BuildpathAttribute;
 import org.eclipse.statet.ltk.buildpath.core.BuildpathElement;
 import org.eclipse.statet.ltk.buildpath.core.BuildpathInitializer;


 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 BuildpathAttribute.SOURCE_ATTACHMENT:
 				return this.uiResources.getImage(
 						BuildpathsUIResources.OBJ_SOURCE_ATTACHMENT_ATTRIBUTE_IMAGE_ID );
 			case BuildpathAttribute.FILTER_INCLUSIONS:
 				return this.uiResources.getImage(
 						BuildpathsUIResources.OBJ_INCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
 			case BuildpathAttribute.FILTER_EXCLUSIONS:
 				return this.uiResources.getImage(
 						BuildpathsUIResources.OBJ_EXCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
 			case BuildpathAttribute.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 BuildpathElement.PROJECT:
 			return this.workbenchImages.getImageDescriptor(
 					IDE.SharedImages.IMG_OBJ_PROJECT );
 		case BuildpathElement.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 BuildpathElement.PROJECT:
 			String label= path.lastSegment();
 			if (element.isMissing()) {
 				label= label + ' ' + Messages.ListLabel_Deco_Missing_label;
 			}
 			return label;
 		case BuildpathElement.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(MessageUtils.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 BuildpathAttribute.SOURCE_ATTACHMENT: {
 				final String detail;
 				final IPath path= (IPath) attribute.getValue();
 				if (path != null && !path.isEmpty()) {
 					if (attribute.getParent().getType().getName() == BuildpathElement.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 BuildpathAttribute.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 BuildpathAttribute.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 BuildpathAttribute.OUTPUT: {
 				final String detail;
 				final IPath path= (IPath) attribute.getValue();
 				if (path != null) {
 					detail= MessageUtils.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= MessageUtils.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 MessageUtils.processPath((isExternal) ? path.toOSString() : path.makeRelative().toString());
 	}

 	private String getVariableString(final IPath path) {
 		return MessageUtils.processPath(path.toString());
 	}

 }
	/*=============================================================================#
	# Copyright (c) 2010, 2020 IBM Corporation and others.
	#
	# This program and the accompanying materials are made available under the
	# terms of the Eclipse Public License 2.0 which is available at
	# https://www.eclipse.org/legal/epl-2.0.
	#
	# SPDX-License-Identifier: EPL-2.0
	#
	# Contributors:
	# IBM Corporation - org.eclipse.jdt: initial API and implementation
	# Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
	#=============================================================================*/

	package org.eclipse.statet.ltk.buildpath.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 org.eclipse.statet.ecommons.ui.SharedUIResources;
	import org.eclipse.statet.ecommons.ui.util.ImageDescriptorRegistry;
	import org.eclipse.statet.ecommons.ui.util.MessageUtils;

	import org.eclipse.statet.internal.ltk.buildpath.ui.BuildpathElementImageDescriptor;
	import org.eclipse.statet.internal.ltk.buildpath.ui.BuildpathsUIPlugin;
	import org.eclipse.statet.internal.ltk.buildpath.ui.Messages;
	import org.eclipse.statet.ltk.buildpath.core.BuildpathAttribute;
	import org.eclipse.statet.ltk.buildpath.core.BuildpathElement;
	import org.eclipse.statet.ltk.buildpath.core.BuildpathInitializer;


	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 BuildpathAttribute.SOURCE_ATTACHMENT:
	return this.uiResources.getImage(
	BuildpathsUIResources.OBJ_SOURCE_ATTACHMENT_ATTRIBUTE_IMAGE_ID );
	case BuildpathAttribute.FILTER_INCLUSIONS:
	return this.uiResources.getImage(
	BuildpathsUIResources.OBJ_INCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
	case BuildpathAttribute.FILTER_EXCLUSIONS:
	return this.uiResources.getImage(
	BuildpathsUIResources.OBJ_EXCLUSION_FILTER_ATTRIBUTE_IMAGE_ID );
	case BuildpathAttribute.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 BuildpathElement.PROJECT:
	return this.workbenchImages.getImageDescriptor(
	IDE.SharedImages.IMG_OBJ_PROJECT );
	case BuildpathElement.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 BuildpathElement.PROJECT:
	String label= path.lastSegment();
	if (element.isMissing()) {
	label= label + ' ' + Messages.ListLabel_Deco_Missing_label;
	}
	return label;
	case BuildpathElement.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(MessageUtils.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 BuildpathAttribute.SOURCE_ATTACHMENT: {
	final String detail;
	final IPath path= (IPath) attribute.getValue();
	if (path != null && !path.isEmpty()) {
	if (attribute.getParent().getType().getName() == BuildpathElement.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 BuildpathAttribute.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 BuildpathAttribute.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 BuildpathAttribute.OUTPUT: {
	final String detail;
	final IPath path= (IPath) attribute.getValue();
	if (path != null) {
	detail= MessageUtils.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= MessageUtils.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 MessageUtils.processPath((isExternal) ? path.toOSString() : path.makeRelative().toString());
	}

	private String getVariableString(final IPath path) {
	return MessageUtils.processPath(path.toString());
	}

	}