import org.eclipse.jface.text.templates.TemplateContextType;
import org.eclipse.jface.text.templates.TemplateException;
import org.eclipse.swt.graphics.Image;
+
/**
* A completion processor for XML templates.
*/
public class BasicCompletionProcessor extends TemplateCompletionProcessor {
- private static final String DEFAULT_IMAGE = "icons/template.gif"; //$NON-NLS-1$
- private char[] fProposalAutoActivationSet;
-// private PHPCompletionProposalComparator fComparator;
- public BasicCompletionProcessor() {
- super();
-// fComparator = new PHPCompletionProposalComparator();
- }
- /**
- * We watch for angular brackets since those are often part of XML templates.
- */
- protected String extractPrefix(ITextViewer viewer, int offset) {
- IDocument document = viewer.getDocument();
- int i = offset;
- if (i > document.getLength())
- return ""; //$NON-NLS-1$
-
- try {
- while (i > 0) {
- char ch = document.getChar(i - 1);
- if (ch != '<' && ch != '&' && ch != '{' && !Character.isJavaIdentifierPart(ch))
- break;
- i--;
- }
-
- return document.get(i, offset - i);
- } catch (BadLocationException e) {
- return ""; //$NON-NLS-1$
- }
- }
-
- /**
- * Cut out angular brackets for relevance sorting, since the template name does not contain the brackets.
- */
- protected int getRelevance(Template template, String prefix) {
- // if (prefix.startsWith("<")) //$NON-NLS-1$
- // prefix= prefix.substring(1);
- if (template.getName().startsWith(prefix))
- return 90;
- return 0;
- }
-
- /**
- * Simply return all templates.
- */
- protected Template[] getTemplates(String contextTypeId) {
- return WebUI.getDefault().getTemplateStore().getTemplates();
- }
-
- /**
- * Return the XML context type that is supported by this plugin.
- */
- protected TemplateContextType getContextType(ITextViewer viewer, IRegion region) {
- return WebUI.getDefault().getContextTypeRegistry().getContextType(XMLContextType.XML_CONTEXT_TYPE);
- }
-
- /**
- * Always return the default image.
- */
- protected Image getImage(Template template) {
- ImageRegistry registry = WebUI.getDefault().getImageRegistry();
- Image image = registry.get(DEFAULT_IMAGE);
- if (image == null) {
- ImageDescriptor desc = WebUI.imageDescriptorFromPlugin("org.eclipse.ui.examples.javaeditor", DEFAULT_IMAGE); //$NON-NLS-1$
- registry.put(DEFAULT_IMAGE, desc);
- image = registry.get(DEFAULT_IMAGE);
- }
- return image;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer,
- * int)
- */
- public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
- ITextSelection selection = (ITextSelection) viewer.getSelectionProvider().getSelection();
-
- // adjust offset to end of normalized selection
- if (selection.getOffset() == offset)
- offset = selection.getOffset() + selection.getLength();
-
- String prefix = extractPrefix(viewer, offset);
- prefix = prefix.toLowerCase();
- IRegion region = new Region(offset - prefix.length(), prefix.length());
- TemplateContext context = createContext(viewer, region);
- if (context == null)
- return new ICompletionProposal[0];
-
- context.setVariable("selection", selection.getText()); // name of the selection variables {line, word}_selection //$NON-NLS-1$
-
- Template[] templates = getTemplates(context.getContextType().getId());
-
- List matches = new ArrayList();
- for (int i = 0; i < templates.length; i++) {
- Template template = templates[i];
- try {
- context.getContextType().validate(template.getPattern());
- } catch (TemplateException e) {
- continue;
- }
-
- if (template.getName().startsWith(prefix)) { //&& template.matches(prefix, context.getContextType().getId()))
- matches.add(createProposal(template, context, region, getRelevance(template, prefix)));
- }
- }
-
- return (ICompletionProposal[]) matches.toArray(new ICompletionProposal[matches.size()]);
-
- }
- /**
- * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
- */
- public char[] getCompletionProposalAutoActivationCharacters() {
- return fProposalAutoActivationSet;
- }
-
- /**
- * Sets this processor's set of characters triggering the activation of the
- * completion proposal computation.
- *
- * @param activationSet the activation set
- */
- public void setCompletionProposalAutoActivationCharacters(char[] activationSet) {
- fProposalAutoActivationSet= activationSet;
- }
-
- /**
- * Order the given proposals.
- */
-// private ICompletionProposal[] order(ICompletionProposal[] proposals) {
-// Arrays.sort(proposals, fComparator);
-// return proposals;
-// }
-
- /**
- * Tells this processor to order the proposals alphabetically.
- *
- * @param order <code>true</code> if proposals should be ordered.
- */
-// public void orderProposalsAlphabetically(boolean order) {
-// fComparator.setOrderAlphabetically(order);
-// }
+ private static final String DEFAULT_IMAGE = "icons/template.gif"; //$NON-NLS-1$
+
+ private char[] fProposalAutoActivationSet;
+
+ // private PHPCompletionProposalComparator fComparator;
+ public BasicCompletionProcessor() {
+ super();
+ // fComparator = new PHPCompletionProposalComparator();
+ }
+
+ /**
+ * We watch for angular brackets since those are often part of XML
+ * templates.
+ */
+ protected String extractPrefix(ITextViewer viewer, int offset) {
+ IDocument document = viewer.getDocument();
+ int i = offset;
+ if (i > document.getLength())
+ return ""; //$NON-NLS-1$
+
+ try {
+ while (i > 0) {
+ char ch = document.getChar(i - 1);
+ if (ch != '<' && ch != '&' && ch != '{'
+ && !Character.isJavaIdentifierPart(ch))
+ break;
+ i--;
+ }
+
+ return document.get(i, offset - i);
+ } catch (BadLocationException e) {
+ return ""; //$NON-NLS-1$
+ }
+ }
+
+ /**
+ * Cut out angular brackets for relevance sorting, since the template name
+ * does not contain the brackets.
+ */
+ protected int getRelevance(Template template, String prefix) {
+ // if (prefix.startsWith("<")) //$NON-NLS-1$
+ // prefix= prefix.substring(1);
+ if (template.getName().startsWith(prefix))
+ return 90;
+ return 0;
+ }
+
+ /**
+ * Simply return all templates.
+ */
+ protected Template[] getTemplates(String contextTypeId) {
+ return WebUI.getDefault().getTemplateStore().getTemplates();
+ }
+
+ /**
+ * Return the XML context type that is supported by this plugin.
+ */
+ protected TemplateContextType getContextType(ITextViewer viewer,
+ IRegion region) {
+ return WebUI.getDefault().getContextTypeRegistry().getContextType(
+ XMLContextType.XML_CONTEXT_TYPE);
+ }
+
+ /**
+ * Always return the default image.
+ */
+ protected Image getImage(Template template) {
+ ImageRegistry registry = WebUI.getDefault().getImageRegistry();
+ Image image = registry.get(DEFAULT_IMAGE);
+ if (image == null) {
+ ImageDescriptor desc = WebUI.imageDescriptorFromPlugin(
+ "org.eclipse.ui.examples.javaeditor", DEFAULT_IMAGE); //$NON-NLS-1$
+ registry.put(DEFAULT_IMAGE, desc);
+ image = registry.get(DEFAULT_IMAGE);
+ }
+ return image;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer,
+ * int)
+ */
+ public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer,
+ int offset) {
+ ITextSelection selection = (ITextSelection) viewer
+ .getSelectionProvider().getSelection();
+
+ // adjust offset to end of normalized selection
+ if (selection.getOffset() == offset)
+ offset = selection.getOffset() + selection.getLength();
+
+ String prefix = extractPrefix(viewer, offset);
+ prefix = prefix.toLowerCase();
+ IRegion region = new Region(offset - prefix.length(), prefix.length());
+ TemplateContext context = createContext(viewer, region);
+ if (context == null)
+ return new ICompletionProposal[0];
+
+ context.setVariable("selection", selection.getText()); // name of the
+ // selection
+ // variables
+ // {line,
+ // word}_selection
+ // //$NON-NLS-1$
+
+ Template[] templates = getTemplates(context.getContextType().getId());
+
+ List matches = new ArrayList();
+ for (int i = 0; i < templates.length; i++) {
+ Template template = templates[i];
+ try {
+ context.getContextType().validate(template.getPattern());
+ } catch (TemplateException e) {
+ continue;
+ }
+
+ if (template.getName().startsWith(prefix)) { // &&
+ // template.matches(prefix,
+ // context.getContextType().getId()))
+ matches.add(createProposal(template, context, region,
+ getRelevance(template, prefix)));
+ }
+ }
+
+ return (ICompletionProposal[]) matches
+ .toArray(new ICompletionProposal[matches.size()]);
+
+ }
+
+ /**
+ * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
+ */
+ public char[] getCompletionProposalAutoActivationCharacters() {
+ return fProposalAutoActivationSet;
+ }
+
+ /**
+ * Sets this processor's set of characters triggering the activation of the
+ * completion proposal computation.
+ *
+ * @param activationSet
+ * the activation set
+ */
+ public void setCompletionProposalAutoActivationCharacters(
+ char[] activationSet) {
+ fProposalAutoActivationSet = activationSet;
+ }
+
+ /**
+ * Order the given proposals.
+ */
+ // private ICompletionProposal[] order(ICompletionProposal[] proposals) {
+ // Arrays.sort(proposals, fComparator);
+ // return proposals;
+ // }
+ /**
+ * Tells this processor to order the proposals alphabetically.
+ *
+ * @param order
+ * <code>true</code> if proposals should be ordered.
+ */
+ // public void orderProposalsAlphabetically(boolean order) {
+ // fComparator.setOrderAlphabetically(order);
+ // }
}
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git://git.phpeclipse.com / phpeclipse.git / blobdiff