+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.text.template.contentassist;
-
-import java.util.ArrayList;
-
-import net.sourceforge.phpdt.core.ICompilationUnit;
-import net.sourceforge.phpdt.internal.corext.Assert;
-import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContext;
-import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
-import net.sourceforge.phpdt.internal.ui.PHPUiImages;
-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.jface.text.templates.GlobalTemplateVariables;
-import org.eclipse.jface.text.templates.Template;
-import org.eclipse.jface.text.templates.TemplateContextType;
-import org.eclipse.swt.graphics.Point;
-
-public class TemplateEngine {
-
- private static final String $_LINE_SELECTION= "${" + GlobalTemplateVariables.LineSelection.NAME + "}"; //$NON-NLS-1$ //$NON-NLS-2$
- private static final String $_WORD_SELECTION= "${" + GlobalTemplateVariables.WordSelection.NAME + "}"; //$NON-NLS-1$ //$NON-NLS-2$
-
- /** The context type. */
- private TemplateContextType 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 TemplateEngine(TemplateContextType contextType) {
- Assert.isNotNull(contextType);
- fContextType= contextType;
- }
-
- /**
- * Empties the collector.
- */
- public void reset() {
- fProposals.clear();
- }
-
- /**
- * Returns the array of matching templates.
- */
- public TemplateProposal[] getResults() {
- return (TemplateProposal[]) fProposals.toArray(new TemplateProposal[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, ICompilationUnit compilationUnit) {
- 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) {}
- }
-
-
- CompilationUnitContext context= ((CompilationUnitContextType) 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= PHPeclipsePlugin.getDefault().getTemplateStore().getTemplates();
-
- if (selection.y == 0) {
- for (int i= 0; i != templates.length; i++)
- if (context.canEvaluate(templates[i]))
- fProposals.add(new TemplateProposal(templates[i], context, region, PHPUiImages.get(PHPUiImages.IMG_OBJS_TEMPLATE)));
-
- } else {
-
- if (context.getKey().length() == 0)
- context.setForceEvaluation(true);
-
- boolean multipleLinesSelected= areMultipleLinesSelected(viewer);
-
- for (int i= 0; i != templates.length; i++) {
- Template template= templates[i];
- if (context.canEvaluate(template) &&
- template.getContextTypeId().equals(context.getContextType().getId()) &&
- (!multipleLinesSelected && template.getPattern().indexOf($_WORD_SELECTION) != -1 || (multipleLinesSelected && template.getPattern().indexOf($_LINE_SELECTION) != -1)))
- {
- fProposals.add(new TemplateProposal(templates[i], context, region, PHPUiImages.get(PHPUiImages.IMG_OBJS_TEMPLATE)));
- }
- }
- }
- }
-
- /**
- * Returns <code>true</code> if one line is completely selected or if multiple lines are selected.
- * Being completely selected means that all characters except the new line characters are
- * selected.
- *
- * @return <code>true</code> if one or multiple lines are selected
- * @since 2.1
- */
- private boolean areMultipleLinesSelected(ITextViewer viewer) {
- if (viewer == null)
- return false;
-
- Point s= viewer.getSelectedRange();
- if (s.y == 0)
- return false;
-
- try {
-
- IDocument document= viewer.getDocument();
- int startLine= document.getLineOfOffset(s.x);
- int endLine= document.getLineOfOffset(s.x + s.y);
- IRegion line= document.getLineInformation(startLine);
- return startLine != endLine || (s.x == line.getOffset() && s.y == line.getLength());
-
- } catch (BadLocationException x) {
- return false;
- }
- }
-}