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src/main/java/ninja/javafx/smartcsv/fx/SmartCSVController.java

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+/*
+   The MIT License (MIT)
+   -----------------------------------------------------------------------------
+
+   Copyright (c) 2015 javafx.ninja <info@javafx.ninja>
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+
+*/
+
+package ninja.javafx.smartcsv.fx;
+
+import javafx.application.Platform;
+import javafx.concurrent.Service;
+import javafx.concurrent.Task;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.layout.BorderPane;
+import javafx.stage.FileChooser;
+import ninja.javafx.smartcsv.FileReader;
+import ninja.javafx.smartcsv.csv.CSVFileReader;
+import ninja.javafx.smartcsv.csv.CSVFileWriter;
+import ninja.javafx.smartcsv.fx.table.ObservableMapValueFactory;
+import ninja.javafx.smartcsv.fx.table.ValidationCellFactory;
+import ninja.javafx.smartcsv.fx.table.model.CSVModel;
+import ninja.javafx.smartcsv.fx.table.model.CSVValue;
+import ninja.javafx.smartcsv.fx.table.model.CSVRow;
+import ninja.javafx.smartcsv.validation.ValidationFileReader;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.ResourceBundle;
+
+import static javafx.application.Platform.runLater;
+
+/**
+ * main controller of the application
+ */
+@Component
+public class SmartCSVController extends FXMLController {
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // injections
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @Autowired
+    private CSVFileReader csvLoader;
+
+    @Autowired
+    private ValidationFileReader validationLoader;
+
+    @Autowired
+    private CSVFileWriter csvFileWriter;
+
+    @FXML
+    private BorderPane applicationPane;
+
+    @FXML
+    private Label stateline;
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // injections
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private ValidationCellFactory cellFactory = new ValidationCellFactory();
+    private final LoadCSVService loadCSVService = new LoadCSVService();
+    private final SaveCSVService saveCSVService = new SaveCSVService();
+    private CSVModel model;
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // init
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        stateline.setVisible(false);
+    }
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // setter
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @Value("${fxml.smartcvs.view}")
+    @Override
+    public void setFxmlFilePath(String filePath) {
+        this.fxmlFilePath = filePath;
+    }
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // actions
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @FXML
+    public void openCsv(ActionEvent actionEvent) {
+        loadFile(csvLoader, "CSV files (*.csv)", "*.csv", "Open CSV");
+    }
+
+    @FXML
+    public void openConfig(ActionEvent actionEvent) {
+        loadFile(validationLoader, "JSON files (*.json)", "*.json", "Open Validation Configuration");
+    }
+
+    @FXML
+    public void saveCsv(ActionEvent actionEvent) {
+        saveCSVService.restart();
+    }
+
+    @FXML
+    public void saveAsCsv(ActionEvent actionEvent) {
+        saveFile(csvFileWriter, "CSV files (*.csv)", "*.csv");
+    }
+
+    @FXML
+    public void close(ActionEvent actionEvent) {
+        Platform.exit();
+    }
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // private methods
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private void loadFile(FileReader fileReader, String filterText, String filter, String title) {
+        final FileChooser fileChooser = new FileChooser();
+
+        //Set extension filter
+        final FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter(filterText, filter);
+        fileChooser.getExtensionFilters().add(extFilter);
+        fileChooser.setTitle(title);
+
+        //Show open file dialog
+        final File file = fileChooser.showOpenDialog(applicationPane.getScene().getWindow());
+        if (file != null) {
+            loadCSVService.setFile(file);
+            loadCSVService.setFileReader(fileReader);
+            loadCSVService.restart();
+        }
+    }
+
+    private void saveFile(CSVFileWriter writer, String filterText, String filter) {
+        if (model != null) {
+            final FileChooser fileChooser = new FileChooser();
+
+            //Set extension filter
+            final FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter(filterText, filter);
+            fileChooser.getExtensionFilters().add(extFilter);
+
+            File initfile = new File(model.getFilepath());
+            fileChooser.setInitialDirectory(initfile.getParentFile());
+            fileChooser.setInitialFileName(initfile.getName());
+            fileChooser.setTitle("Save File");
+
+            //Show open file dialog
+            final File file = fileChooser.showOpenDialog(applicationPane.getScene().getWindow());
+            if (file != null) {
+                model.setFilepath(file.getAbsolutePath());
+                saveCSVService.restart();
+            }
+        }
+    }
+
+    /**
+     * Creates new table view and add the new content
+     */
+    private void resetContent() {
+        model = csvLoader.getData();
+        model.setValidator(validationLoader.getValidator());
+
+        TableView<CSVRow> tableView = new TableView<>();
+
+        for (String column: model.getHeader()) {
+            addColumn(column, tableView);
+        }
+        tableView.getItems().setAll(model.getRows());
+        tableView.setEditable(true);
+
+        applicationPane.setCenter(tableView);
+    }
+
+    /**
+     * Adds a column with the given name to the tableview
+     * @param header name of the column header
+     * @param tableView the tableview
+     */
+    private void addColumn(String header, TableView tableView) {
+        TableColumn column = new TableColumn(header);
+        column.setCellValueFactory(new ObservableMapValueFactory(header));
+        column.setCellFactory(cellFactory);
+        column.setEditable(true);
+        column.setOnEditCommit(new EventHandler<TableColumn.CellEditEvent<CSVRow, CSVValue>>() {
+            @Override
+            public void handle(TableColumn.CellEditEvent<CSVRow, CSVValue> event) {
+                event.getTableView().getItems().get(event.getTablePosition().getRow()).
+                getColumns().get(header).
+                        setValue(event.getNewValue());
+            }
+        });
+
+        tableView.getColumns().add(column);
+    }
+
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    // inner class
+    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Service class for async load of a csv file
+     */
+    private class LoadCSVService extends Service {
+
+        private File file = null;
+        private FileReader fileReader;
+
+        public void setFile(File value) {
+            file = value;
+        }
+        public void setFileReader(FileReader fileReader) {
+            this.fileReader = fileReader;
+        }
+
+        @Override
+        protected Task createTask() {
+            return new Task() {
+                @Override
+                protected Void call() throws Exception {
+                    if (file != null) {
+                        try {
+                            fileReader.read(file);
+                            runLater(SmartCSVController.this::resetContent);
+                        } catch (IOException ex) {
+                            ex.printStackTrace();
+                        }
+                    }
+                    return null;
+                }
+            };
+        }
+    }
+
+    /**
+     * Service class for async load of a csv file
+     */
+    private class SaveCSVService extends Service {
+
+        @Override
+        protected Task createTask() {
+            return new Task() {
+                @Override
+                protected Void call() throws Exception {
+                    try {
+                        csvFileWriter.saveFile(model);
+                        runLater(SmartCSVController.this::resetContent);
+                    } catch (IOException ex) {
+                        ex.printStackTrace();
+                    }
+                    return null;
+                }
+            };
+        }
+    }
+}