1 files changed, 119 insertions, 0 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/preview/PreviewHandlerNew.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/preview/PreviewHandlerNew.java
new file mode 100644
index 000000000..84a9c4fc7
--- /dev/null
+++ b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/preview/PreviewHandlerNew.java
@@ -0,0 +1,119 @@
+/*******************************************************************************
+ * Copyright (c) 2006 Sybase, Inc. and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are 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
+ *
+ * Contributors:
+ *     Sybase, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jst.pagedesigner.preview;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.jst.pagedesigner.PDPlugin;
+import org.eclipse.jst.pagedesigner.common.logging.Logger;
+import org.eclipse.jst.pagedesigner.jsp.core.pagevar.IPageVariablesProvider;
+import org.eclipse.jst.pagedesigner.jsp.core.pagevar.adapter.IDocumentPageVariableAdapter;
+import org.eclipse.jst.pagedesigner.parts.DocumentEditPart;
+import org.eclipse.jst.pagedesigner.parts.NodeEditPart;
+import org.eclipse.jst.pagedesigner.utils.PreviewUtil;
+import org.eclipse.jst.pagedesigner.utils.StructuredModelUtil;
+import org.eclipse.wst.html.core.internal.provisional.contenttype.ContentTypeIdForHTML;
+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
+import org.eclipse.wst.sse.core.internal.provisional.StructuredModelManager;
+import org.eclipse.wst.xml.core.internal.document.XMLGeneratorImpl;
+import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
+import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
+import org.eclipse.wst.xml.core.internal.provisional.document.ISourceGenerator;
+import org.w3c.dom.Node;
+
+/**
+ * @author mengbo
+ * @version 1.5
+ */
+public class PreviewHandlerNew {
+	private static Logger _log = PDPlugin.getLogger(PreviewHandlerNew.class);
+
+	public static void generatePreview(DocumentEditPart part,
+			StringBuffer result) throws IOException {
+		try {
+			IProject prj = StructuredModelUtil.getProjectFor(part.getIDOMNode()
+					.getModel());
+			PageExpressionContext.initialize(prj);
+
+			IDOMDocument doc = (IDOMDocument) part.getIDOMNode();
+			Object obj = doc.getAdapterFor(IDocumentPageVariableAdapter.class);
+			if (obj instanceof IPageVariablesProvider) {
+				((IPageVariablesProvider) obj).refresh();
+				PageExpressionContext.getCurrent().pushPageVarProvider(
+						(IPageVariablesProvider) obj);
+			} else {
+				PageExpressionContext.getCurrent().pushPageVarProvider(null);
+			}
+
+			// IDOMModel previewModel =
+			// (IDOMModel)StructuredModelManager.getModelManager().createNewInstance(doc.getModel());
+			// IDOMDocument previewDoc = previewModel.getDocument();
+
+			// CR400625: creating XML model here instead of HTML model. Since
+			// for HTML model, there are checking enforced
+			// by WTP to make sure the HTML content model is not invalidated.
+			// And sometimes, the converted HTML may not fully
+			// comply with HTML content model.
+			// Use XML instead to workaround the content model validation.
+
+			// CR403449: But if we use XML, then system can't recogonize special
+			// tag such as "script", "style", they
+			// support <!-- --> in them.
+			// So we are still using HTML model, but in TagConverter, we are
+			// always caling DOMUtil.cloneNodeDeepIgnoreError
+			// to try to skip the errors.
+			// Hopefully in later version of SSE, the famous "br" problem is
+			// fixed, and we won't met error when doing
+			// deep clone.
+			// IStructuredModel sModel =
+			// StructuredModelManager.getModelManager().createUnManagedStructuredModelFor(IContentTypeIdentifier.ContentTypeID_XML);
+			// FIXME: if is not jsp, should use original contentType, if is jsp,
+			// should use the corresponding
+			// content type
+			IStructuredModel sModel = StructuredModelManager.getModelManager()
+					.createUnManagedStructuredModelFor(
+							ContentTypeIdForHTML.ContentTypeID_HTML);
+
+			IDOMDocument previewDoc = ((IDOMModel) sModel).getDocument();
+			PreviewConvertContext context = new PreviewConvertContext(
+					previewDoc);
+
+			ISourceGenerator generator = XMLGeneratorImpl.getInstance();
+			List subeditparts = part.getChildren();
+			for (int i = 0, size = subeditparts.size(); i < size; i++) {
+				NodeEditPart subpart = (NodeEditPart) subeditparts.get(i);
+				Node node = context.previewConvert(subpart.getIDOMNode());
+
+				PreviewUtil.previewNode(node);
+
+				if (node != null) {
+					result.append(generator.generateSource(node));
+				}
+
+			}
+			// XXX: seemed in WTP0.7, releaseFromEdit for a unmanaged model may
+			// fail
+			try {
+				sModel.releaseFromEdit();
+			} catch (Throwable th) {
+				// "Error in model release:"
+				// _log.info("PreviewHandlerNew.Error.0", th); //$NON-NLS-1$
+			}
+			return;
+		} finally {
+			PageExpressionContext.reset();
+		}
+	}
+
+}