Examples with XPathUIPlugin org.eclipse.wst.xml.xpath.ui.internal.XPathUIPlugin used on opensource projects

Example 1 with XPathUIPlugin

use of org.eclipse.wst.xml.xpath.ui.internal.XPathUIPlugin in project webtools.sourceediting by eclipse.

the class PrefixHandler method execute.

/**
 * This will use the active editor, and try and retrieve a structured
 * model from it.  If successful, it setups the namespace edit dialog
 * to capture the namespace information.
 */
public Object execute(ExecutionEvent event) throws ExecutionException {
    XPathUIPlugin plugin = XPathUIPlugin.getDefault();
    IEditorPart activeEditor = HandlerUtil.getActiveEditor(event);
    // suppress an NPE in the log (shouldn't happen with the enabledWhen rule)
    if (activeEditor == null)
        return null;
    IFile file = (IFile) activeEditor.getEditorInput().getAdapter(IFile.class);
    IModelManager modelManager = StructuredModelManager.getModelManager();
    IDOMModel model = null;
    try {
        model = (IDOMModel) modelManager.getModelForRead(file);
        IDOMDocument document = model.getDocument();
        if (document != null) {
            List<NamespaceInfo> info = plugin.getNamespaceInfo(document);
            IPathEditorInput editorInput = (IPathEditorInput) activeEditor.getEditorInput();
            EditNamespacePrefixDialog dlg = new EditNamespacePrefixDialog(activeEditor.getSite().getShell(), editorInput.getPath());
            dlg.setNamespaceInfoList(info);
            if (SWT.OK == dlg.open()) {
            // Apply changes
            }
        }
    } catch (Exception ex) {
    } finally {
        if (model != null) {
            model.releaseFromRead();
        }
    }
    return null;
}