Author: vrubezhny Date: 2007-07-04 08:25:44 -0400 (Wed, 04 Jul 2007) New Revision: 2279 Added: trunk/common/plugins/org.jboss.tools.common.text.ext/src/org/jboss/tools/common/text/ext/contentassist/ContentAssistProcessorDefinition.java Log: http://jira.jboss.org/jira/browse/EXIN-330 The schema added due to allow the xml-editor configuration to load and use custom content assist processors dependig on the partition type. Added: trunk/common/plugins/org.jboss.tools.common.text.ext/src/org/jboss/tools/common/text/ext/contentassist/ContentAssistProcessorDefinition.java =================================================================== --- trunk/common/plugins/org.jboss.tools.common.text.ext/src/org/jboss/tools/common/text/ext/contentassist/ContentAssistProcessorDefinition.java (rev 0) +++ trunk/common/plugins/org.jboss.tools.common.text.ext/src/org/jboss/tools/common/text/ext/contentassist/ContentAssistProcessorDefinition.java 2007-07-04 12:25:44 UTC (rev 2279) @@ -0,0 +1,139 @@ +/******************************************************************************* + * Copyright (c) 2007 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is made available under the terms of the + * Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + * + * Contributor: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ + +package org.jboss.tools.common.text.ext.contentassist; + +import java.util.ArrayList; +import java.util.List; + +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IConfigurationElement; +import org.eclipse.core.runtime.Platform; +import org.eclipse.jface.text.contentassist.IContentAssistProcessor; +import org.eclipse.swt.custom.BusyIndicator; +import org.jboss.tools.common.text.ext.ExtensionsPlugin; +import org.osgi.framework.Bundle; + +public class ContentAssistProcessorDefinition { + private String fId = null; + private String fClassName = null; + + // a list of partition types (String) + private List fPartitionTypes = null; + + private IConfigurationElement fConfigurationElement = null; + + /** + * @param id + * @param class1 + * @param configurationElement + */ + public ContentAssistProcessorDefinition(String id, String class1, IConfigurationElement configurationElement) { + super(); + fId = id; + fClassName = class1; + fConfigurationElement = configurationElement; + fPartitionTypes = new ArrayList(); + } + + public void addPartitionType(String partitionType) { + if (!fPartitionTypes.contains(partitionType)) + fPartitionTypes.add(partitionType); + } + + /** + * @return Returns the fClass. + */ + public String getClassName() { + return fClassName; + } + + /** + * @return Returns the fConfigurationElement. + */ + public IConfigurationElement getConfigurationElement() { + return fConfigurationElement; + } + + /** + * @return Returns the fId. + */ + public String getId() { + return fId; + } + + /** + * @return IContentAssistProcessor for this definition + */ + public IContentAssistProcessor createContentAssistProcessor() { + IContentAssistProcessor contentAssistProcessor = null; + + if (getClassName() != null) { + contentAssistProcessor = (IContentAssistProcessor) createExtension(ContentAssistProcessorBuilder.ATT_CLASS); + } + + return contentAssistProcessor; + } + + /** + * Creates an extension. If the extension plugin has not + * been loaded a busy cursor will be activated during the duration of + * the load. + * @param propertyName + * @return Object + */ + private Object createExtension(String propertyName) { + // If plugin has been loaded create extension. + // Otherwise, show busy cursor then create extension. + final IConfigurationElement element = getConfigurationElement(); + final String name = propertyName; + + final Object[] result = new Object[1]; + Bundle bundle = Platform.getBundle(element.getDeclaringExtension().getNamespaceIdentifier()); + if (bundle.getState() == org.osgi.framework.Bundle.ACTIVE) { + try { + return element.createExecutableExtension(name); + } + catch (CoreException e) { + handleCreateExecutableException(result, e); + } + } + else { + BusyIndicator.showWhile(null, new Runnable() { + public void run() { + try { + result[0] = element.createExecutableExtension(name); + } + catch (Exception e) { + handleCreateExecutableException(result, e); + } + } + }); + } + return result[0]; + } + + /** + * @param result + * @param e + */ + private void handleCreateExecutableException(Object[] result, Exception x) { + ExtensionsPlugin.getPluginLog().logError("Error in creating extension", x); + result[0] = null; + } + + /** + * @return Returns the fPartitionTypes. + */ + public List getPartitionTypes() { + return fPartitionTypes; + } +}