Java tutorial
/* * Copyright 2000-2013 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 com.intellij.dvcs.ui; import com.intellij.dvcs.DvcsRememberedInputs; import com.intellij.ide.impl.ProjectUtil; import com.intellij.openapi.fileChooser.FileChooserDescriptor; import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.*; import com.intellij.openapi.util.text.StringUtil; import com.intellij.openapi.vfs.VirtualFile; import com.intellij.ui.DocumentAdapter; import com.intellij.ui.EditorComboBox; import com.intellij.util.ArrayUtil; import org.jetbrains.annotations.NonNls; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import javax.swing.*; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.net.URI; import java.net.URISyntaxException; import java.util.regex.Pattern; /** * @author Nadya Zabrodina */ public abstract class CloneDvcsDialog extends DialogWrapper { /** * The pattern for SSH URL-s in form [user@]host:path */ private static final Pattern SSH_URL_PATTERN; static { // TODO make real URL pattern @NonNls final String ch = "[\\p{ASCII}&&[\\p{Graph}]&&[^@:/]]"; @NonNls final String host = ch + "+(?:\\." + ch + "+)*"; @NonNls final String path = "/?" + ch + "+(?:/" + ch + "+)*/?"; @NonNls final String all = "(?:" + ch + "+@)?" + host + ":" + path; SSH_URL_PATTERN = Pattern.compile(all); } private JPanel myRootPanel; private EditorComboBox myRepositoryURL; private TextFieldWithBrowseButton myParentDirectory; private JButton myTestButton; // test repository private JTextField myDirectoryName; private JLabel myRepositoryUrlLabel; @NotNull private String myTestURL; // the repository URL at the time of the last test @Nullable private Boolean myTestResult; // the test result of the last test or null if not tested @NotNull private String myDefaultDirectoryName = ""; @NotNull protected final Project myProject; @NotNull protected final String myVcsDirectoryName; public CloneDvcsDialog(@NotNull Project project, @NotNull String displayName, @NotNull String vcsDirectoryName) { super(project, true); myProject = project; myVcsDirectoryName = vcsDirectoryName; init(); initListeners(); setTitle(DvcsBundle.message("clone.title")); myRepositoryUrlLabel.setText(DvcsBundle.message("clone.repository.url", displayName)); setOKButtonText(DvcsBundle.message("clone.button")); } @NotNull public String getSourceRepositoryURL() { return getCurrentUrlText(); } public String getParentDirectory() { return myParentDirectory.getText(); } public String getDirectoryName() { return myDirectoryName.getText(); } /** * Init components */ private void initListeners() { FileChooserDescriptor fcd = FileChooserDescriptorFactory.createSingleFolderDescriptor(); fcd.setShowFileSystemRoots(true); fcd.setTitle(DvcsBundle.message("clone.destination.directory.title")); fcd.setDescription(DvcsBundle.message("clone.destination.directory.description")); fcd.setHideIgnored(false); myParentDirectory.addActionListener(new ComponentWithBrowseButton.BrowseFolderActionListener<JTextField>( fcd.getTitle(), fcd.getDescription(), myParentDirectory, myProject, fcd, TextComponentAccessor.TEXT_FIELD_WHOLE_TEXT) { @Override protected VirtualFile getInitialFile() { // suggest project base directory only if nothing is typed in the component. String text = getComponentText(); if (text.length() == 0) { VirtualFile file = myProject.getBaseDir(); if (file != null) { return file; } } return super.getInitialFile(); } }); final DocumentListener updateOkButtonListener = new DocumentAdapter() { @Override protected void textChanged(DocumentEvent e) { updateButtons(); } }; myParentDirectory.getChildComponent().getDocument().addDocumentListener(updateOkButtonListener); String parentDir = getRememberedInputs().getCloneParentDir(); if (StringUtil.isEmptyOrSpaces(parentDir)) { parentDir = ProjectUtil.getBaseDir(); } myParentDirectory.setText(parentDir); myDirectoryName.getDocument().addDocumentListener(updateOkButtonListener); myTestButton.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { test(); } }); setOKActionEnabled(false); myTestButton.setEnabled(false); } private void test() { myTestURL = getCurrentUrlText(); boolean testResult = test(myTestURL); if (testResult) { Messages.showInfoMessage(myTestButton, DvcsBundle.message("clone.test.success.message", myTestURL), DvcsBundle.message("clone.test.connection.title")); myTestResult = Boolean.TRUE; } else { myTestResult = Boolean.FALSE; } updateButtons(); } protected abstract boolean test(@NotNull String url); @NotNull protected abstract DvcsRememberedInputs getRememberedInputs(); /** * Check fields and display error in the wrapper if there is a problem */ private void updateButtons() { if (!checkRepositoryURL()) { return; } if (!checkDestination()) { return; } setErrorText(null); setOKActionEnabled(true); } /** * Check destination directory and set appropriate error text if there are problems * * @return true if destination components are OK. */ private boolean checkDestination() { if (myParentDirectory.getText().length() == 0 || myDirectoryName.getText().length() == 0) { setErrorText(null); setOKActionEnabled(false); return false; } File file = new File(myParentDirectory.getText(), myDirectoryName.getText()); if (file.exists()) { setErrorText(DvcsBundle.message("clone.destination.exists.error", file)); setOKActionEnabled(false); return false; } else if (!file.getParentFile().exists()) { setErrorText(DvcsBundle.message("clone.parent.missing.error", file.getParent())); setOKActionEnabled(false); return false; } return true; } /** * Check repository URL and set appropriate error text if there are problems * * @return true if repository URL is OK. */ private boolean checkRepositoryURL() { String repository = getCurrentUrlText(); if (repository.length() == 0) { setErrorText(null); setOKActionEnabled(false); return false; } if (myTestResult != null && repository.equals(myTestURL)) { if (!myTestResult.booleanValue()) { setErrorText(DvcsBundle.message("clone.test.failed.error")); setOKActionEnabled(false); return false; } else { return true; } } try { if (new URI(repository).isAbsolute()) { return true; } } catch (URISyntaxException urlExp) { // do nothing } // check if ssh url pattern if (SSH_URL_PATTERN.matcher(repository).matches()) { return true; } try { File file = new File(repository); if (file.exists()) { if (!file.isDirectory()) { setErrorText(DvcsBundle.message("clone.url.is.not.directory.error")); setOKActionEnabled(false); } return true; } } catch (Exception fileExp) { // do nothing } setErrorText(DvcsBundle.message("clone.invalid.url")); setOKActionEnabled(false); return false; } @NotNull private String getCurrentUrlText() { return myRepositoryURL.getText().trim(); } private void createUIComponents() { myRepositoryURL = new EditorComboBox(""); final DvcsRememberedInputs rememberedInputs = getRememberedInputs(); myRepositoryURL.setHistory(ArrayUtil.toObjectArray(rememberedInputs.getVisitedUrls(), String.class)); myRepositoryURL.addDocumentListener(new com.intellij.openapi.editor.event.DocumentAdapter() { @Override public void documentChanged(com.intellij.openapi.editor.event.DocumentEvent e) { // enable test button only if something is entered in repository URL final String url = getCurrentUrlText(); myTestButton.setEnabled(url.length() != 0); if (myDefaultDirectoryName.equals(myDirectoryName.getText()) || myDirectoryName.getText().length() == 0) { // modify field if it was unmodified or blank myDefaultDirectoryName = defaultDirectoryName(url, myVcsDirectoryName); myDirectoryName.setText(myDefaultDirectoryName); } updateButtons(); } }); } public void prependToHistory(@NotNull final String item) { myRepositoryURL.prependItem(item); } public void rememberSettings() { final DvcsRememberedInputs rememberedInputs = getRememberedInputs(); rememberedInputs.addUrl(getSourceRepositoryURL()); rememberedInputs.setCloneParentDir(getParentDirectory()); } /** * Get default name for checked out directory * * @param url an URL to checkout * @return a default repository name */ @NotNull private static String defaultDirectoryName(@NotNull final String url, @NotNull final String vcsDirName) { String nonSystemName; if (url.endsWith("/" + vcsDirName) || url.endsWith(File.separator + vcsDirName)) { nonSystemName = url.substring(0, url.length() - vcsDirName.length() - 1); } else { if (url.endsWith(vcsDirName)) { nonSystemName = url.substring(0, url.length() - vcsDirName.length()); } else { nonSystemName = url; } } int i = nonSystemName.lastIndexOf('/'); if (i == -1 && File.separatorChar != '/') { i = nonSystemName.lastIndexOf(File.separatorChar); } return i >= 0 ? nonSystemName.substring(i + 1) : ""; } @Nullable @Override public JComponent getPreferredFocusedComponent() { return myRepositoryURL; } protected JComponent createCenterPanel() { return myRootPanel; } }