this code allows us to provide our own structureddocument or have our own undomanager for the structureddocument
diff --git a/org.eclipse.m2e.core/plugin.xml b/org.eclipse.m2e.core/plugin.xml
index 7463559..bd4029d 100644
--- a/org.eclipse.m2e.core/plugin.xml
+++ b/org.eclipse.m2e.core/plugin.xml
@@ -35,6 +35,15 @@
<describer class="org.eclipse.m2e.core.internal.content.PomFileContentDescriber"/>
</content-type>
</extension>
+
+ <extension
+ point="org.eclipse.core.filebuffers.documentCreation"
+ id="org.eclipse.m2e.core.documentfactories"
+ name="POM file document creation">
+ <factory
+ contentTypeId="org.eclipse.m2e.core.pomFile"
+ class="org.eclipse.wst.sse.core.internal.filebuffers.BasicStructuredDocumentFactory" />
+ </extension>
<extension point="org.eclipse.core.resources.builders"
id="maven2Builder"
diff --git a/org.eclipse.m2e.editor.xml/src/main/java/org/eclipse/m2e/editor/xml/PomModelHandler.java b/org.eclipse.m2e.editor.xml/src/main/java/org/eclipse/m2e/editor/xml/PomModelHandler.java
index cd68f51..aa0bb6e 100644
--- a/org.eclipse.m2e.editor.xml/src/main/java/org/eclipse/m2e/editor/xml/PomModelHandler.java
+++ b/org.eclipse.m2e.editor.xml/src/main/java/org/eclipse/m2e/editor/xml/PomModelHandler.java
@@ -17,16 +17,24 @@
import org.w3c.dom.Element;
import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolver;
+import org.eclipse.wst.sse.core.internal.document.IDocumentLoader;
import org.eclipse.wst.sse.core.internal.provisional.IModelLoader;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
+import org.eclipse.wst.sse.core.internal.provisional.document.IEncodedDocument;
+import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
+import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument;
+import org.eclipse.wst.sse.core.internal.undo.StructuredTextUndoManager;
import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument;
import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.CMDocumentManager;
import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryImpl;
import org.eclipse.wst.xml.core.internal.contentmodel.util.CMDocumentCache;
import org.eclipse.wst.xml.core.internal.contentmodel.util.NamespaceTable;
+import org.eclipse.wst.xml.core.internal.document.DOMModelImpl;
+import org.eclipse.wst.xml.core.internal.encoding.XMLDocumentLoader;
import org.eclipse.wst.xml.core.internal.modelhandler.ModelHandlerForXML;
import org.eclipse.wst.xml.core.internal.modelhandler.XMLModelLoader;
import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryAdapterFactoryForXML;
@@ -39,7 +47,9 @@
@SuppressWarnings("restriction")
public class PomModelHandler extends ModelHandlerForXML {
- private static final String ASSOCIATED_CONTENT_TYPE_ID = "org.eclipse.m2e.pomFile"; //$NON-NLS-1$
+ private static final String HANDLER_ID = "org.eclipse.m2e.core.pomFile.handler";
+
+ private static final String ASSOCIATED_CONTENT_TYPE_ID = "org.eclipse.m2e.core.pomFile"; //$NON-NLS-1$
private static final String POM_NAMESPACE = "http://maven.apache.org/POM/4.0.0"; //$NON-NLS-1$
@@ -47,6 +57,7 @@
public PomModelHandler() {
super();
+ setId(HANDLER_ID);
setAssociatedContentTypeId(ASSOCIATED_CONTENT_TYPE_ID);
}
@@ -55,6 +66,15 @@
return new PomModelLoader();
}
+
+ /* (non-Javadoc)
+ * @see org.eclipse.wst.xml.core.internal.modelhandler.ModelHandlerForXML#getDocumentLoader()
+ */
+ @Override
+ public IDocumentLoader getDocumentLoader() {
+ return new PomXMLDocumentLoader();
+ }
+
private static class PomModelLoader extends XMLModelLoader {
@SuppressWarnings("unchecked")
@@ -66,8 +86,48 @@
return result;
}
+ /* (non-Javadoc)
+ * @see org.eclipse.wst.xml.core.internal.modelhandler.XMLModelLoader#getDocumentLoader()
+ */
+ @Override
+ public IDocumentLoader getDocumentLoader() {
+ if (documentLoaderInstance == null) {
+ documentLoaderInstance = new PomXMLDocumentLoader();
+ }
+ return super.getDocumentLoader();
+ }
+
+ public IStructuredModel newModel() {
+ return new DOMModelImpl();
+ }
}
+
+ private static class PomXMLDocumentLoader extends XMLDocumentLoader {
+ /* (non-Javadoc)
+ * @see org.eclipse.wst.xml.core.internal.encoding.XMLDocumentLoader#newEncodedDocument()
+ */
+ @Override
+ protected IEncodedDocument newEncodedDocument() {
+ IEncodedDocument doc = super.newEncodedDocument();
+ if (doc instanceof BasicStructuredDocument) {
+ BasicStructuredDocument bsd = (BasicStructuredDocument) doc;
+ System.out.println("setting undo manager");
+ bsd.setUndoManager(new StructuredTextUndoManager());
+ }
+ return doc;
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.wst.xml.core.internal.encoding.XMLDocumentLoader#newInstance()
+ */
+ @Override
+ public IDocumentLoader newInstance() {
+ return new PomXMLDocumentLoader();
+ }
+
+ }
+
static class ModelQueryAdapterFactoryForPom extends ModelQueryAdapterFactoryForXML {
protected ModelQueryAdapterImpl modelQueryAdapterImpl;
