1 files changed, 101 insertions, 0 deletions

diff --git a/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/BitBakeDocumentProvider.java b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/BitBakeDocumentProvider.java
new file mode 100644
index 0000000..140a3da
--- /dev/null
+++ b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/BitBakeDocumentProvider.java
@@ -0,0 +1,101 @@
+/*****************************************************************************
+ * Copyright (c) 2013 Ken Gilmer, Intel Corporation
+ * 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:
+ *     Ken Gilmer - initial API and implementation
+ *     Ioana Grigoropol (Intel) - adapt class for remote support
+ *******************************************************************************/
+package org.yocto.bc.ui.editors.bitbake;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IDocumentExtension3;
+import org.eclipse.jface.text.IDocumentPartitioner;
+import org.eclipse.jface.text.rules.FastPartitioner;
+import org.eclipse.jface.text.rules.IPredicateRule;
+import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
+import org.eclipse.jface.text.rules.SingleLineRule;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.rse.core.model.IHost;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.editors.text.FileDocumentProvider;
+import org.yocto.remote.utils.RemoteHelper;
+
+/**
+ * Document provider for BB recipe.
+ * @author kgilmer
+ *
+ */
+public class BitBakeDocumentProvider extends FileDocumentProvider {
+        /**
+         * The recipe partitioning. It contains two partition types: {@link #RECIPE_CODE} and
+         * {@link #RECIPE_COMMENT}.
+         */
+        public static final String RECIPE_PARTITIONING= "org.recipeeditor.recipepartitioning"; //$NON-NLS-1$
+
+        public static final String RECIPE_CODE= IDocument.DEFAULT_CONTENT_TYPE;
+        public static final String RECIPE_COMMENT= "RECIPE_COMMENT"; //$NON-NLS-1$
+
+        private IHost connection;
+
+        private final BitBakeSourceViewerConfiguration viewerConfiguration;
+
+        private static final String[] CONTENT_TYPES= {
+                        RECIPE_CODE,
+                        RECIPE_COMMENT
+        };
+
+        public BitBakeDocumentProvider(BitBakeSourceViewerConfiguration viewerConfiguration) {
+                this.viewerConfiguration = viewerConfiguration;
+        }
+
+        private IDocumentPartitioner createRecipePartitioner() {
+                IPredicateRule[] rules= { new SingleLineRule("#", null, new Token(RECIPE_COMMENT), (char) 0, true, false) }; //$NON-NLS-1$
+
+                RuleBasedPartitionScanner scanner= new RuleBasedPartitionScanner();
+                scanner.setPredicateRules(rules);
+                
+                return new FastPartitioner(scanner, CONTENT_TYPES);
+        }
+
+        @Override
+        protected void setupDocument(Object element,IDocument document) {
+                if (document instanceof IDocumentExtension3) {
+                        IDocumentExtension3 ext= (IDocumentExtension3) document;
+                        IDocumentPartitioner partitioner= createRecipePartitioner();
+                        ext.setDocumentPartitioner(RECIPE_PARTITIONING, partitioner);
+                        partitioner.connect(document);
+                }
+        }
+
+        @Override
+        public boolean isDeleted(Object element) {
+                if (element instanceof IFileEditorInput) {
+                        IFileEditorInput input= (IFileEditorInput) element;
+
+                    URI root = viewerConfiguration.getBBSession().getProjInfoRoot();
+                    String relPath = input.getFile().getProjectRelativePath().toPortableString();
+                    try {
+                                URI fileURI = new URI(root.getScheme(), root.getHost(), root.getPath() + "/" + relPath, root.getFragment());
+                                if (connection == null)
+                                        connection = viewerConfiguration.getBBSession().getProjectInfo().getConnection();
+                                return !RemoteHelper.fileExistsRemote(connection, new NullProgressMonitor(), fileURI.getPath());
+                        } catch (URISyntaxException e) {
+                                e.printStackTrace();
+                        }
+                }
+
+                return super.isDeleted(element);
+        }
+
+        public void setActiveConnection(IHost connection) {
+                this.connection = connection;
+        }
+}