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Diffstat (limited to 'target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/celleditor/FSCellValidator.java')
-rw-r--r--target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/celleditor/FSCellValidator.java82
1 files changed, 82 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/celleditor/FSCellValidator.java b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/celleditor/FSCellValidator.java
new file mode 100644
index 000000000..85b3de181
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/celleditor/FSCellValidator.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2011, 2012 Wind River Systems, 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.tcf.filesystem.ui.internal.celleditor;
+
+import java.util.List;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.jface.viewers.ICellEditorValidator;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode;
+import org.eclipse.tcf.te.tcf.filesystem.ui.nls.Messages;
+
+/**
+ * FSCellValidator is an <code>ICellEditorValidator</code> that validates the name input in the file system
+ * tree cell editor.
+ */
+public class FSCellValidator implements ICellEditorValidator {
+ // The regular expression to define the pattern of a valid Unix file name(not '/').
+ public static final String UNIX_FILENAME_REGEX = "[^/]+"; //$NON-NLS-1$
+ // The regular expression to define the pattern of a valid Windows file name.
+ // (not '?', '\', '/','*','<','>' and '|').
+ public static final String WIN_FILENAME_REGEX = "[^(\\?|\\\\|/|:|\\*|<|>|\\|)]+"; //$NON-NLS-1$
+
+ // The tree viewer used to display the file system.
+ private TreeViewer viewer;
+ /**
+ * Create an FSCellValidator for the specified file system tree.
+ *
+ * @param viewer The tree viewer for the file system.
+ */
+ public FSCellValidator(TreeViewer viewer) {
+ this.viewer = viewer;
+ }
+
+ /*
+ * (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object)
+ */
+ @Override
+ public String isValid(Object value) {
+ IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
+ Object element = selection.getFirstElement();
+ Assert.isTrue(element instanceof FSTreeNode);
+ FSTreeNode node = (FSTreeNode) element;
+ if (value == null) return Messages.FSRenamingAssistant_SpecifyNonEmptyName;
+ String text = value.toString().trim();
+ if (text.length() == 0) return Messages.FSRenamingAssistant_SpecifyNonEmptyName;
+ if (hasChild(node, text)) {
+ return Messages.FSRenamingAssistant_NameAlreadyExists;
+ }
+ String formatRegex = node.isWindowsNode() ? WIN_FILENAME_REGEX : UNIX_FILENAME_REGEX;
+ if (!text.matches(formatRegex)) {
+ return node.isWindowsNode() ? Messages.FSRenamingAssistant_WinIllegalCharacters : Messages.FSRenamingAssistant_UnixIllegalCharacters;
+ }
+ return null;
+ }
+ /**
+ * To test if the folder has a child with the specified name.
+ *
+ * @param folder The folder node.
+ * @param name The name.
+ * @return true if it has a child with the name.
+ */
+ private boolean hasChild(FSTreeNode folder, String name) {
+ List<FSTreeNode> nodes = folder.getParent().getChildren();
+ for (FSTreeNode node : nodes) {
+ if (node.isWindowsNode()) {
+ if (node.name.equalsIgnoreCase(name)) return true;
+ }
+ else if (node.name.equals(name)) return true;
+ }
+ return false;
+ }
+}

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