| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package git4idea.ui; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vcs.VcsException; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.ui.DocumentAdapter; |
| import git4idea.GitRevisionNumber; |
| import git4idea.GitUtil; |
| import git4idea.util.GitUIUtil; |
| |
| import javax.swing.*; |
| import javax.swing.event.DocumentEvent; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| |
| /** |
| * The class setups validation for references in the text fields. |
| */ |
| public class GitReferenceValidator { |
| /** |
| * The result of last validation |
| */ |
| private boolean myLastResult; |
| /** |
| * The text that was used for last validation |
| */ |
| private String myLastResultText = null; |
| /** |
| * The project |
| */ |
| private final Project myProject; |
| /** |
| * The git root combobox |
| */ |
| private final JComboBox myGitRoot; |
| /** |
| * The text field that contains object reference |
| */ |
| private final JTextField myTextField; |
| /** |
| * The button that initiates validation action |
| */ |
| private final JButton myButton; |
| |
| /** |
| * A constructor from fields |
| * |
| * @param project the project to use |
| * @param gitRoot the git root directory |
| * @param textField the text field that contains object reference |
| * @param button the button that initiates validation action |
| * @param statusChanged the action that is invoked when validation status changed |
| */ |
| public GitReferenceValidator(final Project project, |
| final JComboBox gitRoot, |
| final JTextField textField, |
| final JButton button, |
| final Runnable statusChanged) { |
| myProject = project; |
| myGitRoot = gitRoot; |
| myTextField = textField; |
| myButton = button; |
| myGitRoot.addActionListener(new ActionListener() { |
| public void actionPerformed(final ActionEvent e) { |
| myLastResult = false; |
| myLastResultText = null; |
| } |
| }); |
| myTextField.getDocument().addDocumentListener(new DocumentAdapter() { |
| protected void textChanged(final DocumentEvent e) { |
| // note that checkOkButton is called in other listener |
| myButton.setEnabled(myTextField.getText().trim().length() != 0); |
| } |
| }); |
| myButton.addActionListener(new ActionListener() { |
| public void actionPerformed(final ActionEvent e) { |
| final String revisionExpression = myTextField.getText(); |
| myLastResultText = revisionExpression; |
| myLastResult = false; |
| try { |
| GitRevisionNumber revision = GitRevisionNumber.resolve(myProject, gitRoot(), revisionExpression); |
| GitUtil.showSubmittedFiles(myProject, revision.asString(), gitRoot(), false, false); |
| myLastResult = true; |
| } |
| catch (VcsException ex) { |
| GitUIUtil.showOperationError(myProject, ex, "Validating revision: " + revisionExpression); |
| } |
| if (statusChanged != null) { |
| statusChanged.run(); |
| } |
| } |
| }); |
| myButton.setEnabled(myTextField.getText().length() != 0); |
| } |
| |
| /** |
| * @return true if the reference is known to be invalid |
| */ |
| public boolean isInvalid() { |
| final String revisionExpression = myTextField.getText(); |
| return revisionExpression.equals(myLastResultText) && !myLastResult; |
| } |
| |
| /** |
| * @return currently selected git root |
| */ |
| private VirtualFile gitRoot() { |
| return (VirtualFile)myGitRoot.getSelectedItem(); |
| } |
| } |