1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpdt / internal / ui / viewsupport / JavaElementLabels.java
diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/viewsupport/JavaElementLabels.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/viewsupport/JavaElementLabels.java
deleted file mode 100644 (file)
index 801580e..0000000
+++ /dev/null
@@ -1,811 +0,0 @@
-/*******************************************************************************
- * 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);
-       }
-}