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.appengine.cloud; import com.google.cloud.tools.intellij.util.GctBundle; import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.ui.TextFieldWithBrowseButton; import com.intellij.openapi.ui.ValidationInfo; import com.intellij.openapi.util.text.StringUtil; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import java.nio.file.Path; import java.nio.file.Paths; import javax.swing.Action; import javax.swing.JComponent; import javax.swing.JPanel; /** * A widget for selecting a folder in which to generate ManagedVM source files. */ public class SelectConfigDestinationFolderDialog extends DialogWrapper { public enum ConfigFileType { APP_YAML, DOCKERFILE } private JPanel rootPanel; private TextFieldWithBrowseButton destinationFolderChooser; /** * Initialize the widget and set the default paths. */ public SelectConfigDestinationFolderDialog(@Nullable Project project, ConfigFileType fileType) { super(project); setTitle(GctBundle.message("appengine.flex.config.destination.chooser.title")); init(); destinationFolderChooser.addBrowseFolderListener( GctBundle.message("appengine.flex.config.choose.destination.folder.window.title"), null, project, FileChooserDescriptorFactory.createSingleFolderDescriptor()); // Present a canonical target folder as default in the path field. if (project != null && project.getBasePath() != null) { if (fileType == ConfigFileType.APP_YAML) { Path appYamlPath = Paths.get( project.getBasePath() + AppEngineDeploymentRunConfigurationEditor.DEFAULT_APP_YAML_DIR); destinationFolderChooser.setText(appYamlPath.toString()); } else if (fileType == ConfigFileType.DOCKERFILE) { Path dockerfilePath = Paths.get( project.getBasePath() + AppEngineDeploymentRunConfigurationEditor.DEFAULT_DOCKERFILE_DIR); destinationFolderChooser.setText(dockerfilePath.toString()); } else { destinationFolderChooser.setText(project.getBasePath()); } } } @Nullable @Override protected JComponent createCenterPanel() { return rootPanel; } public Path getDestinationFolder() { return Paths.get(destinationFolderChooser.getText()); } @NotNull @Override protected Action[] createActions() { getOKAction().putValue(Action.NAME, "Generate"); return super.createActions(); } @Nullable @Override protected ValidationInfo doValidate() { if (StringUtil.isEmpty(destinationFolderChooser.getText())) { return new ValidationInfo( GctBundle.message("appengine.flex.config.destination.chooser.directory.missing"), destinationFolderChooser); } return null; } }