diff options
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/wizards/NameValidator.java')
| -rw-r--r-- | target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/wizards/NameValidator.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/wizards/NameValidator.java b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/wizards/NameValidator.java new file mode 100644 index 000000000..5329a4f7c --- /dev/null +++ b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.ui/src/org/eclipse/tcf/te/tcf/filesystem/ui/internal/wizards/NameValidator.java @@ -0,0 +1,112 @@ +/******************************************************************************* + * 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.wizards; + +import java.util.ArrayList; +import java.util.List; + +import org.eclipse.core.runtime.SafeRunner; +import org.eclipse.jface.dialogs.IMessageProvider; +import org.eclipse.jface.util.SafeRunnable; +import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.Operation; +import org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode; +import org.eclipse.tcf.te.tcf.filesystem.ui.internal.celleditor.FSCellValidator; +import org.eclipse.tcf.te.tcf.filesystem.ui.nls.Messages; +import org.eclipse.tcf.te.ui.controls.validator.Validator; + +/** + * The validator to validate the name of a file/folder in the file system of Target Explorer. + * + * @see Validator + */ +public class NameValidator extends Validator { + // The folder in which the new file/folder is to be created. + NewNodeWizardPage wizard; + + /** + * Create a NameValidator with the folder in which the file/folder is created. + * + * @param wizard The parent folder in which the file/folder is created. + */ + public NameValidator(NewNodeWizardPage wizard) { + super(ATTR_MANDATORY); + this.wizard = wizard; + } + + /* + * (non-Javadoc) + * @see org.eclipse.tcf.te.ui.controls.validator.Validator#isValid(java.lang.String) + */ + @Override + public boolean isValid(String newText) { + FSTreeNode folder = wizard.getInputDir(); + if(folder == null) { + setMessage(Messages.NameValidator_SpecifyFolder, IMessageProvider.INFORMATION); + return false; + } + if (newText == null || newText.trim().length() == 0) { + setMessage(Messages.FSRenamingAssistant_SpecifyNonEmptyName, IMessageProvider.ERROR); + return false; + } + String text = newText.trim(); + if (hasChild(text)) { + setMessage(Messages.FSRenamingAssistant_NameAlreadyExists, IMessageProvider.ERROR); + return false; + } + String formatRegex = folder.isWindowsNode() ? FSCellValidator.WIN_FILENAME_REGEX : FSCellValidator.UNIX_FILENAME_REGEX; + if (!text.matches(formatRegex)) { + setMessage(folder.isWindowsNode() ? Messages.FSRenamingAssistant_WinIllegalCharacters : Messages.FSRenamingAssistant_UnixIllegalCharacters, IMessageProvider.ERROR); + return false; + } + setMessage(null, IMessageProvider.NONE); + return true; + } + + /** + * To test if the folder has a child with the specified name. + * + * @param name The name. + * @return true if it has a child with the name. + */ + private boolean hasChild(String name) { + List<FSTreeNode> nodes = 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; + } + + /** + * Get the folder's current children. If the children has not yet been loaded, then load it. + * + * @return The current children of the folder. + */ + private List<FSTreeNode> getChildren() { + final FSTreeNode folder = wizard.getInputDir(); + if (folder.childrenQueried) { + return folder.getChildren(); + } + final List<FSTreeNode> result = new ArrayList<FSTreeNode>(); + SafeRunner.run(new SafeRunnable() { + @Override + public void handleException(Throwable e) { + // Ignore exception + } + @Override + public void run() throws Exception { + result.addAll(new Operation().getChildren(folder)); + } + }); + return result; + } +} |