--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.viewsupport;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IField;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IMethod;
+import net.sourceforge.phpdt.core.IPackageFragment;
+import net.sourceforge.phpdt.core.IPackageFragmentRoot;
+import net.sourceforge.phpdt.core.IType;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.core.Signature;
+import net.sourceforge.phpdt.internal.corext.util.JavaModelUtil;
+import net.sourceforge.phpdt.internal.ui.PHPUIMessages;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.ui.model.IWorkbenchAdapter;
+
+public class JavaElementLabels {
+
+ /**
+ * Method names contain parameter types. e.g. <code>foo(int)</code>
+ */
+ public final static int M_PARAMETER_TYPES = 1 << 0;
+
+ /**
+ * Method names contain parameter names. e.g. <code>foo(index)</code>
+ */
+ public final static int M_PARAMETER_NAMES = 1 << 1;
+
+ /**
+ * Method names contain thrown exceptions. e.g.
+ * <code>foo throws IOException</code>
+ */
+ public final static int M_EXCEPTIONS = 1 << 2;
+
+ /**
+ * Method names contain return type (appended) e.g. <code>foo : int</code>
+ */
+ public final static int M_APP_RETURNTYPE = 1 << 3;
+
+ /**
+ * Method names contain return type (appended) e.g. <code>int foo</code>
+ */
+ public final static int M_PRE_RETURNTYPE = 1 << 4;
+
+ /**
+ * Method names are fully qualified. e.g. <code>java.util.Vector.size</code>
+ */
+ public final static int M_FULLY_QUALIFIED = 1 << 5;
+
+ /**
+ * Method names are post qualified. e.g.
+ * <code>size - java.util.Vector</code>
+ */
+ public final static int M_POST_QUALIFIED = 1 << 6;
+
+ /**
+ * Initializer names are fully qualified. e.g.
+ * <code>java.util.Vector.{ ... }</code>
+ */
+ public final static int I_FULLY_QUALIFIED = 1 << 7;
+
+ /**
+ * Type names are post qualified. e.g. <code>{ ... } - java.util.Map</code>
+ */
+ public final static int I_POST_QUALIFIED = 1 << 8;
+
+ /**
+ * Field names contain the declared type (appended) e.g.
+ * <code>int fHello</code>
+ */
+ public final static int F_APP_TYPE_SIGNATURE = 1 << 9;
+
+ /**
+ * Field names contain the declared type (prepended) e.g.
+ * <code>fHello : int</code>
+ */
+ public final static int F_PRE_TYPE_SIGNATURE = 1 << 10;
+
+ /**
+ * Fields names are fully qualified. e.g. <code>java.lang.System.out</code>
+ */
+ public final static int F_FULLY_QUALIFIED = 1 << 11;
+
+ /**
+ * Fields names are post qualified. e.g. <code>out - java.lang.System</code>
+ */
+ public final static int F_POST_QUALIFIED = 1 << 12;
+
+ /**
+ * Type names are fully qualified. e.g. <code>java.util.Map.MapEntry</code>
+ */
+ public final static int T_FULLY_QUALIFIED = 1 << 13;
+
+ /**
+ * Type names are type container qualified. e.g. <code>Map.MapEntry</code>
+ */
+ public final static int T_CONTAINER_QUALIFIED = 1 << 14;
+
+ /**
+ * Type names are post qualified. e.g. <code>MapEntry - java.util.Map</code>
+ */
+ public final static int T_POST_QUALIFIED = 1 << 15;
+
+ /**
+ * Declarations (import container / declarartion, package declarartion) are
+ * qualified. e.g. <code>java.util.Vector.class/import container</code>
+ */
+ public final static int D_QUALIFIED = 1 << 16;
+
+ /**
+ * Declarations (import container / declarartion, package declarartion) are
+ * post qualified. e.g.
+ * <code>import container - java.util.Vector.class</code>
+ */
+ public final static int D_POST_QUALIFIED = 1 << 17;
+
+ /**
+ * Class file names are fully qualified. e.g.
+ * <code>java.util.Vector.class</code>
+ */
+ public final static int CF_QUALIFIED = 1 << 18;
+
+ /**
+ * Class file names are post qualified. e.g.
+ * <code>Vector.class - java.util</code>
+ */
+ public final static int CF_POST_QUALIFIED = 1 << 19;
+
+ /**
+ * Compilation unit names are fully qualified. e.g.
+ * <code>java.util.Vector.java</code>
+ */
+ public final static int CU_QUALIFIED = 1 << 20;
+
+ /**
+ * Compilation unit names are post qualified. e.g.
+ * <code>Vector.java - java.util</code>
+ */
+ public final static int CU_POST_QUALIFIED = 1 << 21;
+
+ /**
+ * Package names are qualified. e.g. <code>MyProject/src/java.util</code>
+ */
+ public final static int P_QUALIFIED = 1 << 22;
+
+ /**
+ * Package names are post qualified. e.g.
+ * <code>java.util - MyProject/src</code>
+ */
+ public final static int P_POST_QUALIFIED = 1 << 23;
+
+ /**
+ * Package Fragment Roots contain variable name if from a variable. e.g.
+ * <code>JRE_LIB - c:\java\lib\rt.jar</code>
+ */
+ public final static int ROOT_VARIABLE = 1 << 24;
+
+ /**
+ * Package Fragment Roots contain the project name if not an archive
+ * (prepended). e.g. <code>MyProject/src</code>
+ */
+ public final static int ROOT_QUALIFIED = 1 << 25;
+
+ /**
+ * Package Fragment Roots contain the project name if not an archive
+ * (appended). e.g. <code>src - MyProject</code>
+ */
+ public final static int ROOT_POST_QUALIFIED = 1 << 26;
+
+ /**
+ * Add root path to all elements except Package Fragment Roots and Java
+ * projects. e.g. <code>java.lang.Vector - c:\java\lib\rt.jar</code>
+ * Option only applies to getElementLabel
+ */
+ public final static int APPEND_ROOT_PATH = 1 << 27;
+
+ /**
+ * Add root path to all elements except Package Fragment Roots and Java
+ * projects. e.g. <code>java.lang.Vector - c:\java\lib\rt.jar</code>
+ * Option only applies to getElementLabel
+ */
+ public final static int PREPEND_ROOT_PATH = 1 << 28;
+
+ /**
+ * Package names are compressed. e.g. <code>o*.e*.search</code>
+ */
+ public final static int P_COMPRESSED = 1 << 29;
+
+ /**
+ * Post qualify referenced package fragement roots. For example
+ * <code>jdt.jar - net.sourceforge.phpdt.ui</code> if the jar is
+ * referenced from another project.
+ */
+ public final static int REFERENCED_ROOT_POST_QUALIFIED = 1 << 30;
+
+ /**
+ * Qualify all elements
+ */
+ public final static int ALL_FULLY_QUALIFIED = F_FULLY_QUALIFIED
+ | M_FULLY_QUALIFIED | I_FULLY_QUALIFIED | T_FULLY_QUALIFIED
+ | D_QUALIFIED | CF_QUALIFIED | CU_QUALIFIED | P_QUALIFIED
+ | ROOT_QUALIFIED;
+
+ /**
+ * Post qualify all elements
+ */
+ public final static int ALL_POST_QUALIFIED = F_POST_QUALIFIED
+ | M_POST_QUALIFIED | I_POST_QUALIFIED | T_POST_QUALIFIED
+ | D_POST_QUALIFIED | CF_POST_QUALIFIED | CU_POST_QUALIFIED
+ | P_POST_QUALIFIED | ROOT_POST_QUALIFIED;
+
+ /**
+ * Default options (M_PARAMETER_TYPES enabled)
+ */
+ public final static int ALL_DEFAULT = M_PARAMETER_TYPES;
+
+ /**
+ * Default qualify options (All except Root and Package)
+ */
+ public final static int DEFAULT_QUALIFIED = F_FULLY_QUALIFIED
+ | M_FULLY_QUALIFIED | I_FULLY_QUALIFIED | T_FULLY_QUALIFIED
+ | D_QUALIFIED | CF_QUALIFIED | CU_QUALIFIED;
+
+ /**
+ * Default post qualify options (All except Root and Package)
+ */
+ public final static int DEFAULT_POST_QUALIFIED = F_POST_QUALIFIED
+ | M_POST_QUALIFIED | I_POST_QUALIFIED | T_POST_QUALIFIED
+ | D_POST_QUALIFIED | CF_POST_QUALIFIED | CU_POST_QUALIFIED;
+
+ public final static String CONCAT_STRING = PHPUIMessages
+ .getString("JavaElementLabels.concat_string"); // " - ";
+ // //$NON-NLS-1$
+
+ public final static String COMMA_STRING = PHPUIMessages
+ .getString("JavaElementLabels.comma_string"); // ", ";
+ // //$NON-NLS-1$
+
+ public final static String DECL_STRING = PHPUIMessages
+ .getString("JavaElementLabels.declseparator_string"); // " "; //
+ // use for
+ // return
+ // type
+ // //$NON-NLS-1$
+
+ /*
+ * Package name compression
+ */
+ private static String fgPkgNamePattern = ""; //$NON-NLS-1$
+
+ private static String fgPkgNamePrefix;
+
+ private static String fgPkgNamePostfix;
+
+ private static int fgPkgNameChars;
+
+ private static int fgPkgNameLength = -1;
+
+ private JavaElementLabels() {
+ }
+
+ private static boolean getFlag(int flags, int flag) {
+ return (flags & flag) != 0;
+ }
+
+ public static String getTextLabel(Object obj, int flags) {
+ if (obj instanceof IJavaElement) {
+ return getElementLabel((IJavaElement) obj, flags);
+ } else if (obj instanceof IAdaptable) {
+ IWorkbenchAdapter wbadapter = (IWorkbenchAdapter) ((IAdaptable) obj)
+ .getAdapter(IWorkbenchAdapter.class);
+ if (wbadapter != null) {
+ return wbadapter.getLabel(obj);
+ }
+ }
+ return ""; //$NON-NLS-1$
+ }
+
+ /**
+ * Returns the label for a Java element. Flags as defined above.
+ */
+ public static String getElementLabel(IJavaElement element, int flags) {
+ StringBuffer buf = new StringBuffer(60);
+ getElementLabel(element, flags, buf);
+ return buf.toString();
+ }
+
+ /**
+ * Returns the label for a Java element. Flags as defined above.
+ */
+ public static void getElementLabel(IJavaElement element, int flags,
+ StringBuffer buf) {
+ int type = element.getElementType();
+ IPackageFragmentRoot root = null;
+
+ if (type != IJavaElement.JAVA_MODEL
+ && type != IJavaElement.JAVA_PROJECT
+ && type != IJavaElement.PACKAGE_FRAGMENT_ROOT)
+ root = JavaModelUtil.getPackageFragmentRoot(element);
+ if (root != null && getFlag(flags, PREPEND_ROOT_PATH)) {
+ getPackageFragmentRootLabel(root, ROOT_QUALIFIED, buf);
+ buf.append(CONCAT_STRING);
+ }
+
+ switch (type) {
+ case IJavaElement.METHOD:
+ getMethodLabel((IMethod) element, flags, buf);
+ break;
+ case IJavaElement.FIELD:
+ getFieldLabel((IField) element, flags, buf);
+ break;
+ // case IJavaElement.INITIALIZER:
+ // getInitializerLabel((IInitializer) element, flags, buf);
+ // break;
+ case IJavaElement.TYPE:
+ getTypeLabel((IType) element, flags, buf);
+ break;
+ // case IJavaElement.CLASS_FILE:
+ // getClassFileLabel((IClassFile) element, flags, buf);
+ // break;
+ case IJavaElement.COMPILATION_UNIT:
+ getCompilationUnitLabel((ICompilationUnit) element, flags, buf);
+ break;
+ case IJavaElement.PACKAGE_FRAGMENT:
+ getPackageFragmentLabel((IPackageFragment) element, flags, buf);
+ break;
+ case IJavaElement.PACKAGE_FRAGMENT_ROOT:
+ getPackageFragmentRootLabel((IPackageFragmentRoot) element, flags,
+ buf);
+ break;
+ case IJavaElement.IMPORT_CONTAINER:
+ case IJavaElement.IMPORT_DECLARATION:
+ case IJavaElement.PACKAGE_DECLARATION:
+ getDeclararionLabel(element, flags, buf);
+ break;
+ case IJavaElement.JAVA_PROJECT:
+ case IJavaElement.JAVA_MODEL:
+ buf.append(element.getElementName());
+ break;
+ default:
+ buf.append(element.getElementName());
+ }
+
+ if (root != null && getFlag(flags, APPEND_ROOT_PATH)) {
+ buf.append(CONCAT_STRING);
+ getPackageFragmentRootLabel(root, ROOT_QUALIFIED, buf);
+ }
+ }
+
+ /**
+ * Appends the label for a method to a StringBuffer. Considers the M_*
+ * flags.
+ */
+ public static void getMethodLabel(IMethod method, int flags,
+ StringBuffer buf) {
+ try {
+ // return type
+ if (getFlag(flags, M_PRE_RETURNTYPE) && method.exists()
+ && !method.isConstructor()) {
+ buf.append(Signature.getSimpleName(Signature.toString(method
+ .getReturnType())));
+ buf.append(' ');
+ }
+
+ // qualification
+ if (getFlag(flags, M_FULLY_QUALIFIED)) {
+ getTypeLabel(method.getDeclaringType(), T_FULLY_QUALIFIED
+ | (flags & P_COMPRESSED), buf);
+ buf.append('.');
+ }
+
+ buf.append(method.getElementName());
+
+ // parameters
+ if (getFlag(flags, M_PARAMETER_TYPES | M_PARAMETER_NAMES)) {
+ buf.append('(');
+
+ String[] types = getFlag(flags, M_PARAMETER_TYPES) ? method
+ .getParameterTypes() : null;
+ String[] names = (getFlag(flags, M_PARAMETER_NAMES) && method
+ .exists()) ? method.getParameterNames() : null;
+ int nParams = types != null ? types.length : names.length;
+
+ for (int i = 0; i < nParams; i++) {
+ if (i > 0) {
+ buf.append(COMMA_STRING); //$NON-NLS-1$
+ }
+ if (types != null) {
+ buf.append(Signature.getSimpleName(Signature
+ .toString(types[i])));
+ }
+ if (names != null) {
+ if (types != null) {
+ buf.append(' ');
+ }
+ buf.append(names[i]);
+ }
+ }
+ buf.append(')');
+ }
+
+ if (getFlag(flags, M_EXCEPTIONS) && method.exists()) {
+ String[] types = method.getExceptionTypes();
+ if (types.length > 0) {
+ buf.append(" throws "); //$NON-NLS-1$
+ for (int i = 0; i < types.length; i++) {
+ if (i > 0) {
+ buf.append(COMMA_STRING);
+ }
+ buf.append(Signature.getSimpleName(Signature
+ .toString(types[i])));
+ }
+ }
+ }
+
+ if (getFlag(flags, M_APP_RETURNTYPE) && method.exists()
+ && !method.isConstructor()) {
+ buf.append(DECL_STRING);
+ buf.append(Signature.getSimpleName(Signature.toString(method
+ .getReturnType())));
+ }
+
+ // post qualification
+ if (getFlag(flags, M_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ getTypeLabel(method.getDeclaringType(), T_FULLY_QUALIFIED
+ | (flags & P_COMPRESSED), buf);
+ }
+
+ } catch (JavaModelException e) {
+ PHPeclipsePlugin.log(e); // NotExistsException will not reach
+ // this point
+ }
+ }
+
+ /**
+ * Appends the label for a field to a StringBuffer. Considers the F_* flags.
+ */
+ public static void getFieldLabel(IField field, int flags, StringBuffer buf) {
+ try {
+ if (getFlag(flags, F_PRE_TYPE_SIGNATURE) && field.exists()) {
+ buf.append(Signature.toString(field.getTypeSignature()));
+ buf.append(' ');
+ }
+
+ // qualification
+ if (getFlag(flags, F_FULLY_QUALIFIED)) {
+ getTypeLabel(field.getDeclaringType(), T_FULLY_QUALIFIED
+ | (flags & P_COMPRESSED), buf);
+ buf.append('.');
+ }
+ buf.append(field.getElementName());
+
+ if (getFlag(flags, F_APP_TYPE_SIGNATURE) && field.exists()) {
+ buf.append(DECL_STRING);
+ buf.append(Signature.toString(field.getTypeSignature()));
+ }
+
+ // post qualification
+ if (getFlag(flags, F_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ getTypeLabel(field.getDeclaringType(), T_FULLY_QUALIFIED
+ | (flags & P_COMPRESSED), buf);
+ }
+
+ } catch (JavaModelException e) {
+ PHPeclipsePlugin.log(e); // NotExistsException will not reach
+ // this point
+ }
+ }
+
+ /**
+ * Appends the label for a initializer to a StringBuffer. Considers the I_*
+ * flags.
+ */
+ // public static void getInitializerLabel(IInitializer initializer, int
+ // flags, StringBuffer buf) {
+ // // qualification
+ // if (getFlag(flags, I_FULLY_QUALIFIED)) {
+ // getTypeLabel(initializer.getDeclaringType(), T_FULLY_QUALIFIED | (flags &
+ // P_COMPRESSED), buf);
+ // buf.append('.');
+ // }
+ // buf.append(JavaUIMessages.getString("JavaElementLabels.initializer"));
+ // //$NON-NLS-1$
+ //
+ // // post qualification
+ // if (getFlag(flags, I_POST_QUALIFIED)) {
+ // buf.append(CONCAT_STRING);
+ // getTypeLabel(initializer.getDeclaringType(), T_FULLY_QUALIFIED | (flags &
+ // P_COMPRESSED), buf);
+ // }
+ // }
+ /**
+ * Appends the label for a type to a StringBuffer. Considers the T_* flags.
+ */
+ public static void getTypeLabel(IType type, int flags, StringBuffer buf) {
+ if (getFlag(flags, T_FULLY_QUALIFIED)) {
+ if (type != null) { // jsurfer INSERT
+ IPackageFragment pack = type.getPackageFragment();
+ if (!pack.isDefaultPackage()) {
+ getPackageFragmentLabel(pack, (flags & P_COMPRESSED), buf);
+ buf.append('.');
+ }
+ buf.append(JavaModelUtil.getTypeQualifiedName(type));
+ } // jsurfer INSERT
+ } else if (getFlag(flags, T_CONTAINER_QUALIFIED)) {
+ buf.append(JavaModelUtil.getTypeQualifiedName(type));
+ } else {
+ buf.append(type.getElementName());
+ }
+ // post qualification
+ if (getFlag(flags, T_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ IType declaringType = type.getDeclaringType();
+ if (declaringType != null) {
+ getTypeLabel(declaringType, T_FULLY_QUALIFIED
+ | (flags & P_COMPRESSED), buf);
+ } else {
+ getPackageFragmentLabel(type.getPackageFragment(),
+ (flags & P_COMPRESSED), buf);
+ }
+ }
+ }
+
+ /**
+ * Appends the label for a declaration to a StringBuffer. Considers the D_*
+ * flags.
+ */
+ public static void getDeclararionLabel(IJavaElement declaration, int flags,
+ StringBuffer buf) {
+ if (getFlag(flags, D_QUALIFIED)) {
+ IJavaElement openable = (IJavaElement) declaration.getOpenable();
+ if (openable != null) {
+ buf.append(getElementLabel(openable, CF_QUALIFIED
+ | CU_QUALIFIED));
+ buf.append('/');
+ }
+ }
+ if (declaration.getElementType() == IJavaElement.IMPORT_CONTAINER) {
+ buf.append(PHPUIMessages
+ .getString("JavaElementLabels.import_container")); //$NON-NLS-1$
+ } else {
+ buf.append(declaration.getElementName());
+ }
+ // post qualification
+ if (getFlag(flags, D_POST_QUALIFIED)) {
+ IJavaElement openable = (IJavaElement) declaration.getOpenable();
+ if (openable != null) {
+ buf.append(CONCAT_STRING);
+ buf.append(getElementLabel(openable, CF_QUALIFIED
+ | CU_QUALIFIED));
+ }
+ }
+ }
+
+ /**
+ * Appends the label for a class file to a StringBuffer. Considers the CF_*
+ * flags.
+ */
+ // public static void getClassFileLabel(IClassFile classFile, int flags,
+ // StringBuffer buf) {
+ // if (getFlag(flags, CF_QUALIFIED)) {
+ // IPackageFragment pack= (IPackageFragment) classFile.getParent();
+ // if (!pack.isDefaultPackage()) {
+ // buf.append(pack.getElementName());
+ // buf.append('.');
+ // }
+ // }
+ // buf.append(classFile.getElementName());
+ //
+ // if (getFlag(flags, CF_POST_QUALIFIED)) {
+ // buf.append(CONCAT_STRING);
+ // getPackageFragmentLabel((IPackageFragment) classFile.getParent(), 0,
+ // buf);
+ // }
+ // }
+ /**
+ * Appends the label for a compilation unit to a StringBuffer. Considers the
+ * CU_* flags.
+ */
+ public static void getCompilationUnitLabel(ICompilationUnit cu, int flags,
+ StringBuffer buf) {
+ if (getFlag(flags, CU_QUALIFIED)) {
+ IPackageFragment pack = (IPackageFragment) cu.getParent();
+ if (!pack.isDefaultPackage()) {
+ buf.append(pack.getElementName());
+ buf.append('.');
+ }
+ }
+ buf.append(cu.getElementName());
+
+ if (getFlag(flags, CU_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ getPackageFragmentLabel((IPackageFragment) cu.getParent(), 0, buf);
+ }
+ }
+
+ /**
+ * Appends the label for a package fragment to a StringBuffer. Considers the
+ * P_* flags.
+ */
+ public static void getPackageFragmentLabel(IPackageFragment pack,
+ int flags, StringBuffer buf) {
+ if (getFlag(flags, P_QUALIFIED)) {
+ getPackageFragmentRootLabel(
+ (IPackageFragmentRoot) pack.getParent(), ROOT_QUALIFIED,
+ buf);
+ buf.append('/');
+ }
+ refreshPackageNamePattern();
+ if (pack.isDefaultPackage()) {
+ buf.append(PHPUIMessages
+ .getString("JavaElementLabels.default_package")); //$NON-NLS-1$
+ } else if (getFlag(flags, P_COMPRESSED) && fgPkgNameLength >= 0) {
+ String name = pack.getElementName();
+ int start = 0;
+ int dot = name.indexOf('.', start);
+ while (dot > 0) {
+ if (dot - start > fgPkgNameLength - 1) {
+ buf.append(fgPkgNamePrefix);
+ if (fgPkgNameChars > 0)
+ buf.append(name.substring(start, Math.min(start
+ + fgPkgNameChars, dot)));
+ buf.append(fgPkgNamePostfix);
+ } else
+ buf.append(name.substring(start, dot + 1));
+ start = dot + 1;
+ dot = name.indexOf('.', start);
+ }
+ buf.append(name.substring(start));
+ } else {
+ buf.append(pack.getElementName());
+ }
+ if (getFlag(flags, P_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ getPackageFragmentRootLabel(
+ (IPackageFragmentRoot) pack.getParent(), ROOT_QUALIFIED,
+ buf);
+ }
+ }
+
+ /**
+ * Appends the label for a package fragment root to a StringBuffer.
+ * Considers the ROOT_* flags.
+ */
+ public static void getPackageFragmentRootLabel(IPackageFragmentRoot root,
+ int flags, StringBuffer buf) {
+ if (root.isArchive())
+ getArchiveLabel(root, flags, buf);
+ else
+ getFolderLabel(root, flags, buf);
+ }
+
+ private static void getArchiveLabel(IPackageFragmentRoot root, int flags,
+ StringBuffer buf) {
+ // Handle variables different
+ if (getFlag(flags, ROOT_VARIABLE) && getVariableLabel(root, flags, buf))
+ return;
+ boolean external = root.isExternal();
+ if (external)
+ getExternalArchiveLabel(root, flags, buf);
+ else
+ getInternalArchiveLabel(root, flags, buf);
+ }
+
+ private static boolean getVariableLabel(IPackageFragmentRoot root,
+ int flags, StringBuffer buf) {
+ // try {
+ // IClasspathEntry rawEntry= root.getRawClasspathEntry();
+ // if (rawEntry != null) {
+ // if (rawEntry.getEntryKind() == IClasspathEntry.CPE_VARIABLE) {
+ // buf.append(rawEntry.getPath().makeRelative());
+ // buf.append(CONCAT_STRING);
+ // if (root.isExternal())
+ // buf.append(root.getPath().toOSString());
+ // else
+ // buf.append(root.getPath().makeRelative().toString());
+ // return true;
+ // }
+ // }
+ // } catch (JavaModelException e) {
+ // PHPeclipsePlugin.log(e); // problems with class path
+ // }
+ return false;
+ }
+
+ private static void getExternalArchiveLabel(IPackageFragmentRoot root,
+ int flags, StringBuffer buf) {
+ IPath path = root.getPath();
+ if (getFlag(flags, REFERENCED_ROOT_POST_QUALIFIED)) {
+ int segements = path.segmentCount();
+ if (segements > 0) {
+ buf.append(path.segment(segements - 1));
+ if (segements > 1 || path.getDevice() != null) {
+ buf.append(CONCAT_STRING);
+ buf.append(path.removeLastSegments(1).toOSString());
+ }
+ } else {
+ buf.append(path.toOSString());
+ }
+ } else {
+ buf.append(path.toOSString());
+ }
+ }
+
+ private static void getInternalArchiveLabel(IPackageFragmentRoot root,
+ int flags, StringBuffer buf) {
+ IResource resource = root.getResource();
+ boolean rootQualified = getFlag(flags, ROOT_QUALIFIED);
+ boolean referencedQualified = getFlag(flags,
+ REFERENCED_ROOT_POST_QUALIFIED)
+ && JavaModelUtil.isReferenced(root) && resource != null;
+ if (rootQualified) {
+ buf.append(root.getPath().makeRelative().toString());
+ } else {
+ buf.append(root.getElementName());
+ if (referencedQualified) {
+ buf.append(CONCAT_STRING);
+ buf.append(resource.getParent().getFullPath().makeRelative()
+ .toString());
+ } else if (getFlag(flags, ROOT_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ buf
+ .append(root.getParent().getPath().makeRelative()
+ .toString());
+ }
+ }
+ }
+
+ private static void getFolderLabel(IPackageFragmentRoot root, int flags,
+ StringBuffer buf) {
+ IResource resource = root.getResource();
+ boolean rootQualified = getFlag(flags, ROOT_QUALIFIED);
+ boolean referencedQualified = getFlag(flags,
+ REFERENCED_ROOT_POST_QUALIFIED)
+ && JavaModelUtil.isReferenced(root) && resource != null;
+ if (rootQualified) {
+ buf.append(root.getPath().makeRelative().toString());
+ } else {
+ if (resource != null)
+ buf.append(resource.getProjectRelativePath().toString());
+ else
+ buf.append(root.getElementName());
+ if (referencedQualified) {
+ buf.append(CONCAT_STRING);
+ buf.append(resource.getProject().getName());
+ } else if (getFlag(flags, ROOT_POST_QUALIFIED)) {
+ buf.append(CONCAT_STRING);
+ buf.append(root.getParent().getElementName());
+ }
+ }
+ }
+
+ private static void refreshPackageNamePattern() {
+ String pattern = getPkgNamePatternForPackagesView();
+ if (pattern.equals(fgPkgNamePattern))
+ return;
+ else if (pattern.equals("")) { //$NON-NLS-1$
+ fgPkgNamePattern = ""; //$NON-NLS-1$
+ fgPkgNameLength = -1;
+ return;
+ }
+ fgPkgNamePattern = pattern;
+ int i = 0;
+ fgPkgNameChars = 0;
+ fgPkgNamePrefix = ""; //$NON-NLS-1$
+ fgPkgNamePostfix = ""; //$NON-NLS-1$
+ while (i < pattern.length()) {
+ char ch = pattern.charAt(i);
+ if (Character.isDigit(ch)) {
+ fgPkgNameChars = ch - 48;
+ if (i > 0)
+ fgPkgNamePrefix = pattern.substring(0, i);
+ if (i >= 0)
+ fgPkgNamePostfix = pattern.substring(i + 1);
+ fgPkgNameLength = fgPkgNamePrefix.length() + fgPkgNameChars
+ + fgPkgNamePostfix.length();
+ return;
+ }
+ i++;
+ }
+ fgPkgNamePrefix = pattern;
+ fgPkgNameLength = pattern.length();
+ }
+
+ private static String getPkgNamePatternForPackagesView() {
+ IPreferenceStore store = PreferenceConstants.getPreferenceStore();
+ if (!store
+ .getBoolean(PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES))
+ return ""; //$NON-NLS-1$
+ return store
+ .getString(PreferenceConstants.APPEARANCE_PKG_NAME_PATTERN_FOR_PKG_VIEW);
+ }
+}