1 files changed, 197 insertions, 0 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/converter/jsp/IncludeTagConverterPreview.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/converter/jsp/IncludeTagConverterPreview.java
new file mode 100644
index 000000000..00c0f9909
--- /dev/null
+++ b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/converter/jsp/IncludeTagConverterPreview.java
@@ -0,0 +1,197 @@
+/*******************************************************************************
+ * 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.converter.jsp;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.jst.pagedesigner.IHTMLConstants;
+import org.eclipse.jst.pagedesigner.PDPlugin;
+import org.eclipse.jst.pagedesigner.common.logging.Logger;
+import org.eclipse.jst.pagedesigner.converter.AbstractTagConverter;
+import org.eclipse.jst.pagedesigner.jsp.core.internal.pagevar.DocumentPageVariableAdapter;
+import org.eclipse.jst.pagedesigner.jsp.core.pagevar.adapter.PageVariableAdapterFactory;
+import org.eclipse.jst.pagedesigner.preview.PageExpressionContext;
+import org.eclipse.jst.pagedesigner.preview.PreviewConvertContext;
+import org.eclipse.wst.sse.core.internal.util.URIResolver;
+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.IDOMNode;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * This is the tag converter for preview.
+ * 
+ * @author mengbo
+ * @version 1.5
+ */
+public class IncludeTagConverterPreview extends AbstractTagConverter {
+	private static Logger _log = PDPlugin
+			.getLogger(IncludeTagConverterPreview.class);
+
+	private String _fileAttrName;
+
+	/**
+	 * @param host
+	 */
+	public IncludeTagConverterPreview(Element host, String fileAttrname) {
+		super(host);
+		this._fileAttrName = fileAttrname;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jst.pagedesigner.converter.AbstractTagConverter#doConvertRefresh()
+	 */
+	protected Element doConvertRefresh() {
+		String fileName = getResolvedURL(getHostElement(), this._fileAttrName);
+		if (fileName == null || fileName.length() == 0) {
+			return null;
+		} else {
+			IPath includedPath = new Path(fileName);
+			includedPath.makeAbsolute();
+
+			IFile file = getFile(includedPath);
+			if (file == null) {
+				return null;
+			} else {
+				return previewFile(file);
+			}
+		}
+	}
+
+	public IFile getFile(IPath includedPath) {
+		IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+		IProject[] projects = workspaceRoot.getProjects();
+
+		for (int i = 0, length = projects.length; i < length; i++) {
+			IPath path = projects[i].getLocation();
+			path = path.makeAbsolute();
+			if (path != null && path.isPrefixOf(includedPath)) {
+				// -1 so we still have the project path
+				includedPath = includedPath.removeFirstSegments(path
+						.segmentCount() - 1);
+				return ResourcesPlugin.getWorkspace().getRoot().getFile(
+						includedPath);
+			}
+		}
+		return null;
+	}
+
+	public Element previewFile(IFile file) {
+		IDOMModel xmlModel = null;
+		DocumentPageVariableAdapter provider = null;
+		boolean pushedPageVarProvider = false;
+		try {
+
+			xmlModel = (IDOMModel) PDPlugin.getModelManager().getModelForRead(
+					file);
+			if (xmlModel != null) {
+				IDOMDocument doc = xmlModel.getDocument();
+
+				// XXX: need to also register page variable adapters. In the
+				// future, this should go to some
+				// SSE system registry mechanism.
+				xmlModel.getFactoryRegistry().addFactory(
+						new PageVariableAdapterFactory());
+				provider = new DocumentPageVariableAdapter(doc);
+				doc.addAdapter(provider);
+
+				provider.refresh();
+				PageExpressionContext.getCurrent()
+						.pushPageVarProvider(provider);
+
+				Node child = xmlModel.getDocument().getFirstChild();
+				PreviewConvertContext context = new PreviewConvertContext(this
+						.getDestDocument());
+				List results = new ArrayList();
+				while (child != null) {
+					Node node = context.previewConvert(child);
+					if (node != null) {
+						results.add(node);
+					}
+					child = child.getNextSibling();
+				}
+
+				if (results.size() == 0) {
+					return null;
+				} else if (results.size() == 1
+						&& results.get(0) instanceof Element) {
+					return (Element) results.get(0);
+				} else {
+					Element ret = createElement(IHTMLConstants.TAG_SPAN);
+					for (int i = 0, n = results.size(); i < n; i++) {
+						ret.appendChild((Node) results.get(i));
+					}
+					return ret;
+				}
+			}
+		} catch (CoreException e) {
+			_log.error("PreviewUtil.previewFile.CoreException", e);
+		} catch (IOException e) {
+			_log.error("PreviewUtil.previewFile.IOException", e);
+		} catch (Exception ex) {
+			_log.error("PreviewUtil.previewFile.CoreException", ex);
+		} finally {
+			if (pushedPageVarProvider) {
+				PageExpressionContext.getCurrent().popPageVarProvider(provider);
+			}
+			if (xmlModel != null) {
+				xmlModel.releaseFromRead();
+			}
+		}
+		return null;
+	}
+
+	static String getResolvedURL(Element element, String attrName) {
+		URIResolver resolver = null;
+		if (element instanceof IDOMNode) {
+			resolver = ((IDOMNode) element).getModel().getResolver();
+		}
+		if (null == resolver) {
+			return null;
+		}
+		String src = element.getAttribute(attrName);
+		if (src != null && src.length() > 0) {
+			return resolver.getLocationByURI(src);
+		}
+		return null;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jst.pagedesigner.converter.ITagConverter#isMultiLevel()
+	 */
+	public boolean isMultiLevel() {
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jst.pagedesigner.css2.style.ITagEditInfo#isWidget()
+	 */
+	public boolean isWidget() {
+		return false;
+	}
+}