Create controls for file, program and directory selection

client/src/main/java/ctbrec/ui/controls/AbstractFileSelectionBox.java

@@ -0,0 +1,114 @@
+package ctbrec.ui.controls;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import ctbrec.ui.AutosizeAlert;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.ObjectPropertyBase;
+import javafx.beans.value.ChangeListener;
+import javafx.geometry.Point2D;
+import javafx.scene.Node;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.control.Tooltip;
+import javafx.scene.layout.Border;
+import javafx.scene.layout.BorderStroke;
+import javafx.scene.layout.BorderStrokeStyle;
+import javafx.scene.layout.BorderWidths;
+import javafx.scene.layout.CornerRadii;
+import javafx.scene.layout.HBox;
+import javafx.scene.paint.Color;
+import javafx.stage.FileChooser;
+
+public abstract class AbstractFileSelectionBox extends HBox {
+    private static final transient Logger LOG = LoggerFactory.getLogger(AbstractFileSelectionBox.class);
+
+    private ObjectProperty<File> fileProperty = new ObjectPropertyBase<File>() {
+        @Override
+        public Object getBean() {
+            return null;
+        }
+
+        @Override
+        public String getName() {
+            return "file";
+        }
+    };
+    private TextField fileInput;
+    private Tooltip validationError = new Tooltip();
+
+    public AbstractFileSelectionBox() {
+        super(5);
+        fileInput = new TextField();
+        fileInput.textProperty().addListener(textListener());
+        fileInput.focusedProperty().addListener((obs, o, n) -> {
+            if(!n) {
+                validationError.hide();
+            }
+        });
+        Node browse = createBrowseButton();
+        getChildren().addAll(fileInput, browse);
+        fileInput.disableProperty().bind(disableProperty());
+        browse.disableProperty().bind(disableProperty());
+    }
+
+    private ChangeListener<? super String> textListener() {
+        return (obs, o, n) -> {
+            String input = fileInput.getText();
+            File program = new File(input);
+            setProgram(program);
+        };
+    }
+
+    private void setProgram(File program) {
+        String msg = validate(program);
+        if (msg != null) {
+            fileInput.setBorder(new Border(new BorderStroke(Color.RED, BorderStrokeStyle.DASHED, new CornerRadii(2), new BorderWidths(2))));
+            validationError.setText(msg);
+            fileInput.setTooltip(validationError);
+            Point2D p = fileInput.localToScreen(fileInput.getTranslateY(), fileInput.getTranslateY());
+            if(!validationError.isShowing()) {
+                validationError.show(getScene().getWindow(), p.getX(), p.getY() + fileInput.getHeight() + 4);
+            }
+        } else {
+            fileInput.setBorder(Border.EMPTY);
+            fileInput.setTooltip(null);
+            fileProperty.set(program);
+            validationError.hide();
+        }
+    }
+
+    protected String validate(File file) {
+        if (file == null || !file.exists()) {
+            return "File does not exist";
+        } else {
+            return null;
+        }
+    }
+
+    private Button createBrowseButton() {
+        Button button = new Button("Select");
+        button.setOnAction((e) -> {
+            FileChooser chooser = new FileChooser();
+            File program = chooser.showOpenDialog(null);
+            if(program != null) {
+                try {
+                    fileInput.setText(program.getCanonicalPath());
+                } catch (IOException e1) {
+                    LOG.error("Couldn't determine path", e1);
+                    Alert alert = new AutosizeAlert(Alert.AlertType.ERROR);
+                    alert.setTitle("Whoopsie");
+                    alert.setContentText("Couldn't determine path");
+                    alert.showAndWait();
+                }
+                setProgram(program);
+            }
+        });
+        return button;
+    }
+}

client/src/main/java/ctbrec/ui/controls/DirectorySelectionBox.java

@@ -0,0 +1,17 @@
+package ctbrec.ui.controls;
+
+import java.io.File;
+
+public class DirectorySelectionBox extends AbstractFileSelectionBox {
+    @Override
+    protected String validate(File file) {
+        String msg = super.validate(file);
+        if(msg != null) {
+            return msg;
+        } else if (!file.isDirectory()) {
+            return "This is not a directory";
+        } else {
+            return null;
+        }
+    }
+}

client/src/main/java/ctbrec/ui/controls/FileSelectionBox.java

@@ -0,0 +1,17 @@
+package ctbrec.ui.controls;
+
+import java.io.File;
+
+public class FileSelectionBox extends AbstractFileSelectionBox {
+    @Override
+    protected String validate(File file) {
+        String msg = super.validate(file);
+        if(msg != null) {
+            return msg;
+        } else if (!file.isFile()) {
+            return "This is not a regular file";
+        } else {
+            return null;
+        }
+    }
+}

client/src/main/java/ctbrec/ui/controls/ProgramSelectionBox.java

@@ -0,0 +1,17 @@
+package ctbrec.ui.controls;
+
+import java.io.File;
+
+public class ProgramSelectionBox extends FileSelectionBox {
+    @Override
+    protected String validate(File file) {
+        String msg = super.validate(file);
+        if(msg != null) {
+            return msg;
+        } else if (!file.canExecute()) {
+            return "This is not an executable application";
+        } else {
+            return null;
+        }
+    }
+}