X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/IdentifierProposal.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/IdentifierProposal.java new file mode 100644 index 0000000..39b98e3 --- /dev/null +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/IdentifierProposal.java @@ -0,0 +1,245 @@ +/* + * (c) Copyright IBM Corp. 2000, 2001. + * All Rights Reserved. + */ +package net.sourceforge.phpdt.internal.ui.text.template; + +import net.sourceforge.phpdt.internal.corext.template.Template; +import net.sourceforge.phpdt.internal.corext.template.TemplateBuffer; +import net.sourceforge.phpdt.internal.corext.template.TemplateContext; +import net.sourceforge.phpdt.internal.corext.template.TemplateMessages; +import net.sourceforge.phpdt.internal.corext.template.TemplatePosition; +import net.sourceforge.phpdt.internal.corext.template.java.CompilationUnitContext; +import net.sourceforge.phpdt.internal.corext.template.java.JavaTemplateMessages; +import net.sourceforge.phpdt.internal.ui.text.java.IJavaCompletionProposal; +import net.sourceforge.phpeclipse.PHPeclipsePlugin; +import org.eclipse.core.runtime.CoreException; +import net.sourceforge.phpdt.internal.ui.text.link.LinkedPositionManager; +import net.sourceforge.phpdt.internal.ui.text.link.LinkedPositionUI; +import org.eclipse.jface.dialogs.MessageDialog; +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.contentassist.IContextInformation; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.widgets.Shell; +//import org.eclipse.jdt.internal.ui.text.link.LinkedPositionManager; +//import org.eclipse.jdt.internal.ui.text.link.LinkedPositionUI; +//import org.eclipse.jdt.internal.ui.util.ExceptionHandler; + +/** + * A PHP identifier proposal. + */ +public class IdentifierProposal implements IJavaCompletionProposal { + + private final String fTemplate; + private final TemplateContext fContext; + private final ITextViewer fViewer; + // private final Image fImage; + private final IRegion fRegion; + + //private TemplateBuffer fTemplateBuffer; + private String fOldText; + private IRegion fSelectedRegion; // initialized by apply() + + /** + * Creates a template proposal with a template and its context. + * @param template the template + * @param context the context in which the template was requested. + * @param image the icon of the proposal. + */ + public IdentifierProposal(String template, TemplateContext context, IRegion region, ITextViewer viewer) { //, Image image) { + // Assert.isNotNull(template); + // Assert.isNotNull(context); + // Assert.isNotNull(region); + // Assert.isNotNull(viewer); + + fTemplate = template; + fContext = context; + fViewer = viewer; + // fImage= image; + fRegion = region; + } + + /* + * @see ICompletionProposal#apply(IDocument) + */ + public void apply(IDocument document) { + try { + // if (fTemplateBuffer == null) + // fTemplateBuffer= fContext.evaluate(fTemplate); + + int start = fRegion.getOffset(); + int end = fRegion.getOffset() + fRegion.getLength(); + + // insert template string + // String templateString = fTemplate; // fTemplateBuffer.getString(); + document.replace(start, end - start, fTemplate); + + // translate positions + LinkedPositionManager manager = new LinkedPositionManager(document); + // TemplatePosition[] variables= fTemplateBuffer.getVariables(); + // for (int i= 0; i != variables.length; i++) { + // TemplatePosition variable= variables[i]; + // + // if (variable.isResolved()) + // continue; + // + // int[] offsets= variable.getOffsets(); + // int length= variable.getLength(); + // + // for (int j= 0; j != offsets.length; j++) + // manager.addPosition(offsets[j] + start, length); + // } + + LinkedPositionUI editor = new LinkedPositionUI(fViewer, manager); + editor.setFinalCaretOffset(fTemplate.length()+start); + // editor.setFinalCaretOffset(getCaretOffset(fTemplateBuffer) + start); + editor.enter(); + + fSelectedRegion = editor.getSelectedRegion(); + + } catch (BadLocationException e) { + PHPeclipsePlugin.log(e); + openErrorDialog(e); + + } + // catch (CoreException e) { + // handleException(e); + // } + } + +// private static int getCaretOffset(TemplateBuffer buffer) { +// TemplatePosition[] variables = buffer.getVariables(); +// for (int i = 0; i != variables.length; i++) { +// TemplatePosition variable = variables[i]; +// +// if (variable.getName().equals(JavaTemplateMessages.getString("GlobalVariables.variable.name.cursor"))) //$NON-NLS-1$ +// return variable.getOffsets()[0]; +// } +// +// return buffer.getString().length(); +// } + + /* + * @see ICompletionProposal#getSelection(IDocument) + */ + public Point getSelection(IDocument document) { + return new Point(fSelectedRegion.getOffset(), fSelectedRegion.getLength()); + // return null; + } + + /* + * @see ICompletionProposal#getAdditionalProposalInfo() + */ + public String getAdditionalProposalInfo() { + // try { + // if (fTemplateBuffer == null) + // fTemplateBuffer= fContext.evaluate(fTemplate); + + return textToHTML(fTemplate); // fTemplateBuffer.getString()); + + // } catch (CoreException e) { + // handleException(e); + // return null; + // } + } + + /* + * @see ICompletionProposal#getDisplayString() + */ + public String getDisplayString() { + return fTemplate + TemplateMessages.getString("TemplateProposal.delimiter") + fTemplate; // $NON-NLS-1$ //$NON-NLS-1$ + // return fTemplate.getName() + TemplateMessages.getString("TemplateProposal.delimiter") + fTemplate.getDescription(); // $NON-NLS-1$ //$NON-NLS-1$ + } + + /* + * @see ICompletionProposal#getImage() + */ + public Image getImage() { + // return fImage; + return null; + } + + /* + * @see ICompletionProposal#getContextInformation() + */ + public IContextInformation getContextInformation() { + return null; + } + + private static String textToHTML(String string) { + StringBuffer buffer = new StringBuffer(string.length()); + buffer.append("
"); //$NON-NLS-1$
+
+    for (int i = 0; i != string.length(); i++) {
+      char ch = string.charAt(i);
+
+      switch (ch) {
+        case '&' :
+          buffer.append("&"); //$NON-NLS-1$
+          break;
+
+        case '<' :
+          buffer.append("<"); //$NON-NLS-1$
+          break;
+
+        case '>' :
+          buffer.append(">"); //$NON-NLS-1$
+          break;
+
+        case '\t' :
+          buffer.append("    "); //$NON-NLS-1$
+          break;
+
+        case '\n' :
+          buffer.append("
"); //$NON-NLS-1$
+          break;
+
+        default :
+          buffer.append(ch);
+          break;
+      }
+    }
+
+    buffer.append("
"); //$NON-NLS-1$ + return buffer.toString(); + } + + private void openErrorDialog(BadLocationException e) { + Shell shell = fViewer.getTextWidget().getShell(); + MessageDialog.openError(shell, TemplateMessages.getString("TemplateEvaluator.error.title"), e.getMessage()); //$NON-NLS-1$ + } + + private void handleException(CoreException e) { + Shell shell = fViewer.getTextWidget().getShell(); + PHPeclipsePlugin.log(e); + // ExceptionHandler.handle(e, shell, TemplateMessages.getString("TemplateEvaluator.error.title"), null); //$NON-NLS-1$ + } + + /* + * @see IJavaCompletionProposal#getRelevance() + */ + public int getRelevance() { + + if (fContext instanceof CompilationUnitContext) { + CompilationUnitContext context = (CompilationUnitContext) fContext; + switch (context.getCharacterBeforeStart()) { + // high relevance after whitespace + case ' ' : + case '\r' : + case '\n' : + case '\t' : + return 90; + + default : + return 0; + } + } else { + return 90; + } + } + +} \ No newline at end of file