2 * (c) Copyright IBM Corp. 2000, 2001.
5 package net.sourceforge.phpdt.internal.ui.text.template;
7 import java.util.ArrayList;
9 import net.sourceforge.phpdt.core.ICompilationUnit;
10 import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
11 import net.sourceforge.phpdt.internal.corext.template.php.JavaContext;
12 import net.sourceforge.phpdt.internal.corext.template.php.JavaContextType;
13 import net.sourceforge.phpdt.internal.ui.PHPUiImages;
14 import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
15 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
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 IdentifierEngine {
27 /** The context type. */
28 private JavaContextType 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 IdentifierEngine(JavaContextType 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, Object[] identifiers,ICompilationUnit compilationUnit)
66 //hrows JavaModelException
68 IDocument document = viewer.getDocument();
70 if (!(fContextType instanceof CompilationUnitContextType))
73 Point selection = viewer.getSelectedRange();
74 // remember selected text
75 String selectedText = null;
76 if (selection.y != 0) {
78 selectedText = document.get(selection.x, selection.y);
79 } catch (BadLocationException e) {
83 // ((CompilationUnitContextType) fContextType).setContextParameters(document, completionPosition, selection.y); //mpilationUnit);
85 // JavaContext context = (JavaContext) fContextType.createContext();
86 JavaContext context = (JavaContext) fContextType.createContext(document, completionPosition,selection.y,compilationUnit);
87 context.setVariable("selection", selectedText); //$NON-NLS-1$
89 int start = context.getStart();
90 int end = context.getEnd();
91 IRegion region = new Region(start, end - start);
93 // Template[] templates= Templates.getInstance().getTemplates();
94 String identifier = null;
95 int maxProposals = PHPeclipsePlugin.MAX_PROPOSALS;
97 for (int i = 0; i != identifiers.length; i++) {
98 identifier = (String) identifiers[i];
99 if (context.canEvaluate(identifier)) {
100 if (maxProposals-- < 0) {
104 new IdentifierProposal(
109 PHPUiImages.get(PHPUiImages.IMG_FUN),
110 PHPUiImages.get(PHPUiImages.IMG_VAR)));