X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/editor/XMLDocumentProvider.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/editor/XMLDocumentProvider.java new file mode 100644 index 0000000..999fd08 --- /dev/null +++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/xml/ui/internal/editor/XMLDocumentProvider.java @@ -0,0 +1,131 @@ +/* + * Copyright (c) 2003-2004 Christopher Lenz and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Common Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: + * Christopher Lenz - initial API and implementation + * + * $Id: XMLDocumentProvider.java,v 1.3 2006-10-21 23:14:14 pombredanne Exp $ + */ + +package net.sourceforge.phpeclipse.xml.ui.internal.editor; + +import java.net.MalformedURLException; + +import net.sourceforge.phpeclipse.xml.core.internal.model.XMLDocument; +import net.sourceforge.phpeclipse.xml.core.model.IXMLDocument; + +import org.eclipse.core.runtime.CoreException; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.IDocumentListener; +import org.eclipse.ui.editors.text.TextFileDocumentProvider; + +/** + * Document provider for XML files. + * + * TODO Merge the encoding detection support from I18NDocumentProvider and + * AbstractDocumentProvider into this class + * + * TODO This class currently doubles as a model manager which will need to be + * moved into core at some point, and would make this class pretty much useless + */ +public class XMLDocumentProvider extends TextFileDocumentProvider { + + // Inner Classes ----------------------------------------------------------- + + private class XMLFileInfo extends FileInfo { + IXMLDocument xmlDocument; + } + + // TestFileDocumentProvider Implementation --------------------------------- + + /* + * @see TextFileDocumentProvider#createEmptyFileInfo() + */ + protected FileInfo createEmptyFileInfo() { + return new XMLFileInfo(); + } + + /* + * @see TextFileDocumentProvider#createFileInfo(Object) + */ + protected FileInfo createFileInfo(Object element) throws CoreException { + FileInfo fileInfo = super.createFileInfo(element); + if (!(fileInfo instanceof XMLFileInfo)) { + return null; + } + + IDocument document = fileInfo.fTextFileBuffer.getDocument(); + + String systemId = null; + try { + systemId = getSystemFile(fileInfo).toURL().toString(); + } catch (MalformedURLException e) { + } + + IXMLDocument xmlDocument = createModel(document, systemId); + if (xmlDocument instanceof IDocumentListener) { + document.addDocumentListener((IDocumentListener) xmlDocument); + } + + XMLFileInfo xmlFileInfo = (XMLFileInfo) fileInfo; + xmlFileInfo.xmlDocument = xmlDocument; + + return xmlFileInfo; + } + + /* + * @see TextFileDocumentProvider#disposeFileInfo(Object, + * TextFileDocumentProvider.FileInfo) + */ + protected void disposeFileInfo(Object element, FileInfo info) { + if (info instanceof XMLFileInfo) { + IDocument document = getDocument(element); + if (document != null) { + IXMLDocument xmlDocument = ((XMLFileInfo) info).xmlDocument; + if (xmlDocument instanceof IDocumentListener) { + document + .removeDocumentListener((IDocumentListener) xmlDocument); + } + } + } + + super.disposeFileInfo(element, info); + } + + // Public Methods ---------------------------------------------------------- + + /** + * Creates the XML document model object corresponding to the specified + * document. + * + * @param document + * the document to parse + * @param systemId + * the system ID of the document + * @return the document model object + */ + public IXMLDocument createModel(IDocument document, String systemId) { + return new XMLDocument(document, systemId); + } + + /** + * Returns the XML document model associated with the specified element. + * + * @param element + * the element + * @return the document model associated with the element + */ + public IXMLDocument getModel(Object element) { + FileInfo info = getFileInfo(element); + if (info instanceof XMLFileInfo) { + XMLFileInfo xmlFileInfo = (XMLFileInfo) info; + return xmlFileInfo.xmlDocument; + } + + return null; + } +}