--- /dev/null
+/*
+ * (c) Copyright IBM Corp. 2000, 2001.
+ * All Rights Reserved.
+ */
+package net.sourceforge.phpdt.internal.ui.text.template;
+
+import java.util.ArrayList;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
+import net.sourceforge.phpdt.internal.corext.template.php.JavaContext;
+import net.sourceforge.phpdt.internal.corext.template.php.JavaContextType;
+import net.sourceforge.phpdt.internal.ui.PHPUiImages;
+import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
+import net.sourceforge.phpeclipse.ui.WebUI;
+//import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.Region;
+import org.eclipse.swt.graphics.Point;
+
+public class IdentifierEngine {
+
+ /** The context type. */
+ private JavaContextType fContextType;
+
+ /** The result proposals. */
+ private ArrayList fProposals = new ArrayList();
+
+ /**
+ * Creates the template engine for a particular context type. See
+ * <code>TemplateContext</code> for supported context types.
+ */
+ public IdentifierEngine(JavaContextType contextType) {
+ // Assert.isNotNull(contextType);
+ fContextType = contextType;
+ }
+
+ /**
+ * Empties the collector.
+ *
+ * @param viewer
+ * the text viewer
+ * @param unit
+ * the compilation unit (may be <code>null</code>)
+ */
+ public void reset() {
+ fProposals.clear();
+ }
+
+ /**
+ * Returns the array of matching templates.
+ */
+ public IPHPCompletionProposal[] getResults() {
+ return (IPHPCompletionProposal[]) fProposals
+ .toArray(new IPHPCompletionProposal[fProposals.size()]);
+ }
+
+ /**
+ * Inspects the context of the compilation unit around
+ * <code>completionPosition</code> and feeds the collector with proposals.
+ *
+ * @param viewer
+ * the text viewer
+ * @param completionPosition
+ * the context position in the document of the text viewer
+ * @param compilationUnit
+ * the compilation unit (may be <code>null</code>)
+ */
+ public void complete(ITextViewer viewer, int completionPosition,
+ Object[] identifiers, ICompilationUnit compilationUnit)
+ // hrows JavaModelException
+ {
+ IDocument document = viewer.getDocument();
+
+ if (!(fContextType instanceof CompilationUnitContextType))
+ return;
+
+ Point selection = viewer.getSelectedRange();
+ // remember selected text
+ String selectedText = null;
+ if (selection.y != 0) {
+ try {
+ selectedText = document.get(selection.x, selection.y);
+ } catch (BadLocationException e) {
+ }
+ }
+
+ // ((CompilationUnitContextType)
+ // fContextType).setContextParameters(document, completionPosition,
+ // selection.y); //mpilationUnit);
+
+ // JavaContext context = (JavaContext) fContextType.createContext();
+ JavaContext context = (JavaContext) fContextType.createContext(
+ document, completionPosition, selection.y, compilationUnit);
+ context.setVariable("selection", selectedText); //$NON-NLS-1$
+
+ int start = context.getStart();
+ int end = context.getEnd();
+ IRegion region = new Region(start, end - start);
+
+ // Template[] templates= Templates.getInstance().getTemplates();
+ String identifier = null;
+ int maxProposals = WebUI.MAX_PROPOSALS;
+
+ for (int i = 0; i != identifiers.length; i++) {
+ identifier = (String) identifiers[i];
+ if (context.canEvaluate(identifier)) {
+ if (maxProposals-- < 0) {
+ return;
+ }
+ fProposals.add(new IdentifierProposal(identifier, context,
+ region, viewer, PHPUiImages.get(PHPUiImages.IMG_FUN),
+ PHPUiImages.get(PHPUiImages.IMG_VAR)));
+ }
+ }
+ }
+
+}