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   1 /*
   2  * (c) Copyright IBM Corp. 2000, 2001.
   3  * All Rights Reserved.
   4  */
   5 package net.sourceforge.phpdt.internal.corext.template.php;
   6
   7 import net.sourceforge.phpdt.internal.corext.template.ContextType;
   8
   9 import org.eclipse.jface.text.IDocument;
  10
  11 /**
  12  * Compilation unit context type.
  13  */
  14 public abstract class CompilationUnitContextType extends ContextType {
  15
  16         /** the document */
  17         protected IDocument fDocument;
  18
  19         /** the completion position within the document string */
  20         protected int fOffset;
  21
  22   /** the completion length */
  23   protected int fLength;
  24
  25         /** the associated compilation unit, may be <code>null</code> */
  26         //protected ICompilationUnit fCompilationUnit;
  27 /*
  28         protected static class ReturnType extends TemplateVariable {
  29                 public ReturnType() {
  30                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.return.type"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.return.type")); //$NON-NLS-1$ //$NON-NLS-2$
  31                 }
  32
  33                 public String evaluate(TemplateContext context) {
  34                         IJavaElement element= ((CompilationUnitContext) context).findEnclosingElement(IJavaElement.METHOD);
  35                         if (element == null)
  36                                 return null;
  37
  38                         try {
  39                                 return Signature.toString(((IMethod) element).getReturnType());
  40                         } catch (JavaModelException e) {
  41                                 return null;
  42                         }
  43                 }
  44
  45                 public boolean isResolved(TemplateContext context) {
  46                         return evaluate(context) != null;
  47                 }
  48         }
  49
  50         protected static class File extends TemplateVariable {
  51                 public File() {
  52                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.file"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.file")); //$NON-NLS-1$ //$NON-NLS-2$
  53                 }
  54                 public String evaluate(TemplateContext context) {
  55                         ICompilationUnit unit= ((CompilationUnitContext) context).getCompilationUnit();
  56
  57                         return (unit == null) ? null : unit.getElementName();
  58       return null;
  59                 }
  60                 public boolean isResolved(TemplateContext context) {
  61                         return evaluate(context) != null;
  62                 }
  63         }
  64
  65         protected static class EnclosingJavaElement extends TemplateVariable {
  66                 protected final int fElementType;
  67
  68                 public EnclosingJavaElement(String name, String description, int elementType) {
  69                         super(name, description);
  70                         fElementType= elementType;
  71                 }
  72                 public String evaluate(TemplateContext context) {
  73                         IJavaElement element= ((CompilationUnitContext) context).findEnclosingElement(fElementType);
  74                         return (element == null) ? null : element.getElementName();
  75                 }
  76                 public boolean isResolved(TemplateContext context) {
  77                         return evaluate(context) != null;
  78                 }
  79         }
  80
  81         protected static class Method extends EnclosingJavaElement {
  82                 public Method() {
  83                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.enclosing.method"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.enclosing.method"), IJavaElement.METHOD); //$NON-NLS-1$ //$NON-NLS-2$
  84                 }
  85         }
  86
  87         protected static class Type extends EnclosingJavaElement {
  88                 public Type() {
  89                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.enclosing.type"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.enclosing.type"), IJavaElement.TYPE); //$NON-NLS-1$ //$NON-NLS-2$
  90                 }
  91         }
  92
  93         protected static class Package extends EnclosingJavaElement {
  94                 public Package() {
  95                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.enclosing.package"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.enclosing.package"), IJavaElement.PACKAGE_FRAGMENT); //$NON-NLS-1$ //$NON-NLS-2$
  96                 }
  97         }
  98
  99         protected static class Project extends EnclosingJavaElement {
 100                 public Project() {
 101                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.enclosing.project"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.enclosing.project"), IJavaElement.JAVA_PROJECT); //$NON-NLS-1$ //$NON-NLS-2$
 102                 }
 103         }
 104
 105
 106         protected static class Arguments extends TemplateVariable {
 107                 public Arguments() {
 108                         super(JavaTemplateMessages.getString("CompilationUnitContextType.variable.name.enclosing.method.arguments"), JavaTemplateMessages.getString("CompilationUnitContextType.variable.description.enclosing.method.arguments")); //$NON-NLS-1$ //$NON-NLS-2$
 109                 }
 110                 public String evaluate(TemplateContext context) {
 111                         IJavaElement element= ((CompilationUnitContext) context).findEnclosingElement(IJavaElement.METHOD);
 112                         if (element == null)
 113                                 return null;
 114
 115                         IMethod method= (IMethod) element;
 116
 117                         try {
 118                                 String[] arguments= method.getParameterNames();
 119                                 StringBuffer buffer= new StringBuffer();
 120
 121                                 for (int i= 0; i < arguments.length; i++) {
 122                                         if (i > 0)
 123                                                 buffer.append(", "); //$NON-NLS-1$
 124                                         buffer.append(arguments[i]);
 125                                 }
 126
 127                                 return buffer.toString();
 128
 129                         } catch (JavaModelException e) {
 130                                 return null;
 131                         }
 132                 }
 133         }
 134 */
 135
 136         /*
 137          * @see ContextType#ContextType(String)
 138          */
 139         public CompilationUnitContextType(String name) {
 140                 super(name);
 141         }
 142
 143         /**
 144          * Sets context parameters. Needs to be called before createContext().
 145          */
 146         public void setContextParameters(IDocument document, int position, int length) {//, ICompilationUnit compilationUnit) {
 147                 fDocument= document;
 148                 fOffset= position;
 149     fLength= length;
 150 //              fCompilationUnit= compilationUnit;
 151         }
 152
 153 }