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リビジョン 37446fc4

高徹 高橋 徹 さんが5年以上前に追加

Implement static behavior of UI

差分を表示:

src/main/java/com/torutk/spectrum/view/SpectrumFileViewController.java
package com.torutk.spectrum.view;
import javafx.beans.binding.Bindings;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.Cursor;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.stage.DirectoryChooser;
import javafx.stage.FileChooser;
import java.net.URL;
import java.util.ResourceBundle;
import java.util.logging.Logger;
public class SpectrumFileViewController implements Initializable {
private static final Logger logger = Logger.getLogger(SpectrumFileViewController.class.getName());
private FileChooser fileChooser = new FileChooser();
private DirectoryChooser directoryChooer = new DirectoryChooser();
private ResourceBundle resources;
private double chartDragPointX;
private final SpectrumFileViewModel model = SpectrumFileViewModel.INSTANCE;
@FXML private LineChart<Float, Float> chart;
@FXML private NumberAxis xAxis;
@FXML private NumberAxis yAxis;
@FXML private TextField startFrequencyField;
@FXML private TextField stopFrequencyField;
@FXML private TextField referenceLevelField;
@FXML private TextField scaleField;
@FXML private Button updateButton;
@FXML
private void open(ActionEvent ev) {
......
@Override
public void initialize(URL url, ResourceBundle resourceBundle) {
resources = resourceBundle;
fileChooser.setTitle(resources.getString("spectrum.view.filechooser.title"));
fileChooser.initialDirectoryProperty().bindBidirectional(model.lastOpenDirectoryProperty());
fileChooser.getExtensionFilters().add(
new FileChooser.ExtensionFilter("Spectrum Files", "*.dat")
);
directoryChooer.setTitle(resources.getString("spectrum.view.directorychooser.title"));
directoryChooer.initialDirectoryProperty().bindBidirectional(model.lastOpenDirectoryProperty());
initializeChart();
initializeRightPane();
}
private void initializeChart() {
xAxis.lowerBoundProperty().bind(model.startFrequencyProperty());
xAxis.upperBoundProperty().bind(model.stopFrequencyProperty());
xAxis.tickUnitProperty().bind(Bindings.divide(
Bindings.subtract(model.stopFrequencyProperty(), model.startFrequencyProperty()), 10
));
yAxis.lowerBoundProperty().bind(Bindings.subtract(
model.referenceLevelProperty(), Bindings.multiply(model.scaleProperty(), 10)
));
yAxis.upperBoundProperty().bind(model.referenceLevelProperty());
yAxis.tickUnitProperty().bind(model.scaleProperty());
chart.dataProperty().bind(model.spectrumSeriesProperty());
chart.setOnMousePressed(event -> {
chart.setCursor(Cursor.CLOSED_HAND);
chartDragPointX = event.getX();
});
chart.setOnMouseDragged(event -> {
double mouseMoveX = event.getX() - chartDragPointX;
if (Math.abs(mouseMoveX) < 5) { // decimate number of refresh chart
return;
}
double diff = (model.getStopFrequency() - model.getStartFrequency()) * mouseMoveX / xAxis.getWidth();
diff = Math.floor(diff * 10) / 10;
model.setStartFrequency(model.getStartFrequency() - diff);
model.setStopFrequency(model.getStopFrequency() - diff);
chartDragPointX = event.getX();
refreshSettingFields();
});
chart.setOnMouseReleased(event -> chart.setCursor(Cursor.DEFAULT));
}
private void initializeRightPane() {
}
private void refreshSettingFields() {
startFrequencyField.setText(String.format("%10.4f", model.getStartFrequency()));
stopFrequencyField.setText(String.format("%10.4f", model.getStopFrequency()));
referenceLevelField.setText(String.format("%5.1f", model.getReferenceLevel()));
scaleField.setText(String.format("%4.1f", model.getScale()));
updateButton.setDisable(true);
}
}
src/main/java/com/torutk/spectrum/view/SpectrumFileViewModel.java
package com.torutk.spectrum.view;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.chart.XYChart;
import java.io.File;
import java.util.logging.Logger;
/**
* View Model of Spectrum Viewer Application.
*
* <ul>
* <li>Singleton implementation by enum.</li>
* <li>Holds all data to be displayed.</li>
* <li>Mediate between view and domain data(Model).</li>
* </ul>
*
*/
enum SpectrumFileViewModel {
INSTANCE;
private static final Logger logger = Logger.getLogger(SpectrumFileViewModel.class.getName());
private final DoubleProperty startFrequencyProperty = new SimpleDoubleProperty(950d);
private final DoubleProperty stopFrequencyProperty = new SimpleDoubleProperty(1450d);
private final DoubleProperty referenceLevelProperty = new SimpleDoubleProperty(0d);
private final DoubleProperty scaleProperty = new SimpleDoubleProperty(5d);
private final ObjectProperty<ObservableList<XYChart.Series<Float, Float>>> spectrumSeriesProperty =
new SimpleObjectProperty<>(FXCollections.observableArrayList());
private final ObjectProperty<File> lastOpenDirectoryProperty =
new SimpleObjectProperty<>(new File(System.getProperty("user.dir")));
/**
* @return start frequency of display in MHz.
*/
final double getStartFrequency() {
return startFrequencyProperty.get();
}
/**
* @param value start frequency of display in MHz.
*/
final void setStartFrequency(double value) {
startFrequencyProperty.set(value);
}
DoubleProperty startFrequencyProperty() {
return startFrequencyProperty;
}
/**
* @return stop frequency of display in MHz.
*/
final double getStopFrequency() {
return stopFrequencyProperty.get();
}
/**
* @param value stop frequency of display in MHz.
*/
final void setStopFrequency(double value) {
stopFrequencyProperty.set(value);
}
DoubleProperty stopFrequencyProperty() {
return stopFrequencyProperty;
}
/**
* @return reference level(top value of Y-axis) in dBm.
*/
final double getReferenceLevel() {
return referenceLevelProperty.get();
}
/**
* @param value reference level in dBm.
*/
final void setReferenceLevel(double value) {
referenceLevelProperty.set(value);
}
DoubleProperty referenceLevelProperty() {
return referenceLevelProperty;
}
/**
* @return scale of 1 div(1 of 10 division of Y-axis) in dBm.
*/
final double getScale() {
return scaleProperty.get();
}
/**
* @param value scale of 1 div in dBm.
*/
final void setScale(double value) {
scaleProperty.set(value);
}
DoubleProperty scaleProperty() {
return scaleProperty;
}
ObjectProperty<ObservableList<XYChart.Series<Float, Float>>> spectrumSeriesProperty() {
return spectrumSeriesProperty;
}
ObjectProperty<File> lastOpenDirectoryProperty() {
return lastOpenDirectoryProperty;
}
}

他の形式にエクスポート: Unified diff