2 * (c) Copyright IBM Corp. 2000, 2001.
5 package net.sourceforge.phpdt.internal.ui.text.template;
7 import java.util.ArrayList;
8 import java.util.Iterator;
9 import java.util.SortedMap;
11 import net.sourceforge.phpdt.internal.corext.template.ContextType;
12 import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
13 import net.sourceforge.phpdt.internal.corext.template.php.PHPUnitContext;
14 import net.sourceforge.phpdt.internal.ui.PHPUiImages;
15 import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
17 import org.eclipse.jface.text.BadLocationException;
18 import org.eclipse.jface.text.IDocument;
19 import org.eclipse.jface.text.IRegion;
20 import org.eclipse.jface.text.ITextViewer;
21 import org.eclipse.jface.text.Region;
22 import org.eclipse.swt.graphics.Point;
23 //import org.eclipse.jdt.internal.ui.text.link.LinkedPositionManager;
25 public class DeclarationEngine {
27 /** The context type. */
28 private ContextType fContextType;
29 /** The result proposals. */
30 private ArrayList fProposals = new ArrayList();
33 * Creates the template engine for a particular context type.
34 * See <code>TemplateContext</code> for supported context types.
36 public DeclarationEngine(ContextType contextType) {
37 // Assert.isNotNull(contextType);
38 fContextType = contextType;
42 * Empties the collector.
44 * @param viewer the text viewer
45 * @param unit the compilation unit (may be <code>null</code>)
52 * Returns the array of matching templates.
54 public IPHPCompletionProposal[] getResults() {
55 return (IPHPCompletionProposal[]) fProposals.toArray(new IPHPCompletionProposal[fProposals.size()]);
59 * Inspects the context of the compilation unit around <code>completionPosition</code>
60 * and feeds the collector with proposals.
61 * @param viewer the text viewer
62 * @param completionPosition the context position in the document of the text viewer
63 * @param compilationUnit the compilation unit (may be <code>null</code>)
65 public void complete(ITextViewer viewer, int completionPosition, SortedMap map)
66 //,ICompilationUnit compilationUnit)
67 //hrows JavaModelException
69 IDocument document = viewer.getDocument();
71 if (!(fContextType instanceof CompilationUnitContextType))
74 Point selection = viewer.getSelectedRange();
75 // remember selected text
76 String selectedText = null;
77 if (selection.y != 0) {
79 selectedText = document.get(selection.x, selection.y);
80 } catch (BadLocationException e) {
84 ((CompilationUnitContextType) fContextType).setContextParameters(document, completionPosition, selection.y); //mpilationUnit);
86 PHPUnitContext context = (PHPUnitContext) fContextType.createContext();
87 int start = context.getStart();
88 int end = context.getEnd();
89 String prefix = context.getKey();
90 IRegion region = new Region(start, end - start);
92 String identifier = null;
94 SortedMap subMap = map.subMap(prefix,prefix+'\255');
95 Iterator iter = subMap.keySet().iterator();
97 while (iter.hasNext()) {
98 identifier = (String) iter.next();
99 if (context.canEvaluate(identifier)) {
101 new DeclarationProposal(
106 PHPUiImages.get(PHPUiImages.IMG_FUN),
107 PHPUiImages.get(PHPUiImages.IMG_VAR)));