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