Java tutorial
/* * Copyright (C) 2016 The Android Open Source Project * * 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.google.cloud.tools.intellij.vcs; import com.google.api.client.repackaged.com.google.common.base.Strings; import com.google.cloud.tools.intellij.login.CredentialedUser; import com.google.cloud.tools.intellij.resources.ProjectSelector; import com.google.cloud.tools.intellij.resources.RepositorySelector; import com.google.cloud.tools.intellij.util.GctBundle; import com.intellij.dvcs.ui.DvcsBundle; 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.ComponentWithBrowseButton; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.ui.TextComponentAccessor; import com.intellij.openapi.ui.TextFieldWithBrowseButton; import com.intellij.openapi.util.text.StringUtil; import com.intellij.openapi.vfs.VirtualFile; import com.intellij.ui.DocumentAdapter; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import java.awt.Color; import java.awt.Dimension; import java.io.File; import javax.swing.JComponent; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; /** * The dialog that prompts the user to download (git clone) from a GCP project. */ public class CloneCloudRepositoryDialog extends DialogWrapper { private static final String INVALID_FILENAME_CHARS = "[/\\\\?%*:|\"<>]"; private JPanel rootPanel; private ProjectSelector projectSelector; private TextFieldWithBrowseButton parentDirectory; private JTextField directoryName; private JLabel parentDirectoryLabel; private RepositorySelector repositorySelector; private JLabel directoryNameLabel; @NotNull private String defaultDirectoryName = ""; @NotNull private final Project project; public CloneCloudRepositoryDialog(@NotNull Project project) { super(project, true); this.project = project; parentDirectoryLabel.setText(DvcsBundle.message("clone.parent.dir")); init(); initComponents(); setTitle(GctBundle.message("clonefromgcp.title")); setOKButtonText(GctBundle.message("clonefromgcp.button")); } @Nullable public String getSourceRepositoryUrl() { return getCurrentUrlText(); } @Nullable public String getParentDirectory() { return parentDirectory.getText(); } @Nullable public String getDirectoryName() { return directoryName.getText(); } @Nullable public String getGcpUserName() { CredentialedUser selectedUser = projectSelector.getSelectedUser(); return selectedUser != null ? selectedUser.getEmail() : null; } private void initComponents() { FileChooserDescriptor fcd = FileChooserDescriptorFactory.createSingleFolderDescriptor(); fcd.setShowFileSystemRoots(true); fcd.setTitle(GctBundle.message("clonefromgcp.destination.directory.title")); fcd.setDescription(GctBundle.message("clonefromgcp.destination.directory.description")); fcd.setHideIgnored(false); parentDirectory.addActionListener(new ComponentWithBrowseButton.BrowseFolderActionListener<JTextField>( fcd.getTitle(), fcd.getDescription(), parentDirectory, project, fcd, TextComponentAccessor.TEXT_FIELD_WHOLE_TEXT) { @Override protected VirtualFile getInitialFile() { String text = getComponentText(); if (text.length() == 0) { VirtualFile file = project.getBaseDir(); if (file != null) { return file; } } return super.getInitialFile(); } }); final DocumentListener updateOkButtonListener = new DocumentAdapter() { @Override protected void textChanged(DocumentEvent event) { updateButtons(); } }; parentDirectory.getChildComponent().getDocument().addDocumentListener(updateOkButtonListener); parentDirectory.setText(ProjectUtil.getBaseDir()); directoryName.getDocument().addDocumentListener(updateOkButtonListener); setOKActionEnabled(false); } @Override protected String getDimensionServiceKey() { return "GCPCloneDialog"; } @Override protected String getHelpId() { return "reference.VersionControl.Git.CloneRepository"; } /** * Check fields and display error in the wrapper if there is a problem. */ private void updateButtons() { if (!StringUtil.isEmpty(projectSelector.getText()) && projectSelector.getSelectedUser() == null) { setErrorText(GctBundle.message("cloud.repository.dialog.invalid.project")); setOKActionEnabled(false); return; } if (!StringUtil.isEmpty(repositorySelector.getText()) && StringUtil.isEmpty(repositorySelector.getSelectedRepository())) { setErrorText(GctBundle.message("cloud.repository.dialog.invalid.repository")); setOKActionEnabled(false); return; } if (projectSelector.getSelectedUser() == null || StringUtil.isEmpty(repositorySelector.getSelectedRepository())) { setErrorText(null); setOKActionEnabled(false); return; } if (StringUtil.isEmpty(parentDirectory.getText()) || StringUtil.isEmpty(directoryName.getText())) { setErrorText(null); setOKActionEnabled(false); return; } File file = new File(parentDirectory.getText(), directoryName.getText()); if (file.exists()) { setErrorText(GctBundle.message("clonefromgcp.destination.exists.error")); setOKActionEnabled(false); paintDirectorySelectionError(); return; } if (!file.getParentFile().exists()) { setErrorText(GctBundle.message("clonefromgcp.parent.missing.error")); setOKActionEnabled(false); paintParentDirectorySelectionError(); return; } paintSelectionOk(); setErrorText(null); setOKActionEnabled(true); } @Nullable private String getCurrentUrlText() { CredentialedUser selectedUser = projectSelector.getSelectedUser(); if (selectedUser == null || StringUtil.isEmpty(projectSelector.getText()) || StringUtil.isEmpty(repositorySelector.getText())) { return null; } return GcpHttpAuthDataProvider.getGcpUrl(projectSelector.getText(), repositorySelector.getText()); } private void createUIComponents() { projectSelector = new ProjectSelector(); projectSelector.setMinimumSize(new Dimension(300, 0)); projectSelector.getDocument().addDocumentListener(new DocumentAdapter() { @Override protected void textChanged(DocumentEvent event) { if (defaultDirectoryName.equals(directoryName.getText()) || directoryName.getText().length() == 0) { // modify field if it was unmodified or blank String projectDescription = projectSelector.getProjectDescription(); if (!Strings.isNullOrEmpty(projectDescription)) { defaultDirectoryName = projectDescription.replaceAll(INVALID_FILENAME_CHARS, ""); defaultDirectoryName = defaultDirectoryName.replaceAll("\\s", ""); } else { defaultDirectoryName = ""; } directoryName.setText(defaultDirectoryName); } repositorySelector.setCloudProject(projectSelector.getText()); repositorySelector.setUser(projectSelector.getSelectedUser()); repositorySelector.setText(""); repositorySelector.loadRepositories(); updateButtons(); } }); repositorySelector = new RepositorySelector(projectSelector.getText(), projectSelector.getSelectedUser(), false /*canCreateRepository*/); repositorySelector.getDocument().addDocumentListener(new DocumentAdapter() { @Override protected void textChanged(DocumentEvent event) { updateButtons(); } }); } @Nullable @Override public JComponent getPreferredFocusedComponent() { return projectSelector; } @Override protected JComponent createCenterPanel() { return rootPanel; } /** * Default dialog state. */ private void paintSelectionOk() { parentDirectoryLabel.setForeground(Color.BLACK); directoryNameLabel.setForeground(Color.BLACK); } /** * Activates when a user selection of parent directory is incorrect. * <p></p> * Paints the "Parent Directory" label and textbox background red. */ private void paintParentDirectorySelectionError() { paintSelectionOk(); parentDirectoryLabel.setForeground(Color.RED); } /** * Paints the directory selector red when in error. */ private void paintDirectorySelectionError() { paintSelectionOk(); directoryNameLabel.setForeground(Color.RED); } }