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/*
* @(#)GridInspector.java
* Copyright © 2023 The authors and contributors of JHotDraw. MIT License.
*/
package org.jhotdraw8.draw.inspector;
import javafx.beans.property.Property;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Node;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.TextField;
import javafx.util.StringConverter;
import org.jhotdraw8.base.converter.Converter;
import org.jhotdraw8.base.converter.NumberConverter;
import org.jhotdraw8.css.converter.SizeCssConverter;
import org.jhotdraw8.css.value.CssSize;
import org.jhotdraw8.draw.DrawingView;
import org.jhotdraw8.draw.constrain.GridConstrainer;
import org.jhotdraw8.draw.css.converter.ColorCssConverter;
import org.jhotdraw8.draw.css.value.CssColor;
import org.jhotdraw8.fxbase.binding.CustomBinding;
import org.jhotdraw8.fxbase.concurrent.PlatformUtil;
import org.jhotdraw8.fxbase.converter.StringConverterAdapter;
import org.jspecify.annotations.Nullable;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.ParseException;
import java.util.prefs.Preferences;
/**
* FXML Controller class
*
* @author Werner Randelshofer
*/
public class GridInspector extends AbstractDrawingViewInspector {
@FXML
private TextField angleField;
@FXML
private CheckBox drawGridCheckBox;
private GridConstrainer gridConstrainer;
@FXML
private TextField heightField;
@FXML
private TextField gridColorField;
@FXML
private ColorPicker gridColorPicker;
@FXML
private TextField majorXField;
@FXML
private TextField majorYField;
private final Property gridColorProperty = new SimpleObjectProperty<>();
private Node node;
@FXML
private CheckBox snapToGridCheckBox;
@FXML
private TextField widthField;
@FXML
private TextField xField;
@FXML
private TextField yField;
public GridInspector() {
this(GridInspector.class.getResource("GridInspector.fxml"));
}
public GridInspector(URL fxmlUrl) {
init(fxmlUrl);
}
@Override
public Node getNode() {
return node;
}
private void init(URL fxmlUrl) {
// We must use invoke and wait here, because we instantiate Tooltips
// which immediately instanciate a Window and a Scene.
PlatformUtil.invokeAndWait(() -> {
FXMLLoader loader = new FXMLLoader();
loader.setResources(InspectorLabels.getResources().asResourceBundle());
loader.setController(this);
try (InputStream in = fxmlUrl.openStream()) {
node = loader.load(in);
} catch (IOException ex) {
throw new InternalError(ex);
}
});
Preferences prefs = Preferences.userNodeForPackage(GridInspector.class);
snapToGridCheckBox.setSelected(prefs.getBoolean("snapToGrid", true));
snapToGridCheckBox.selectedProperty().addListener((o, oldValue, newValue)
-> prefs.putBoolean("snapToGrid", newValue));
drawGridCheckBox.setSelected(prefs.getBoolean("drawGrid", true));
drawGridCheckBox.selectedProperty().addListener((o, oldValue, newValue)
-> prefs.putBoolean("drawGrid", newValue));
//noinspection ReturnOfNull
CustomBinding.bindBidirectionalAndConvert(//
gridColorProperty,//
gridColorPicker.valueProperty(),//
(CssColor c) -> c == null ? null : c.getColor(), //
CssColor::new//
);
gridColorField.textProperty().bindBidirectional(gridColorProperty, new StringConverterAdapter<>(
new ColorCssConverter(false)));
}
@Override
protected void onDrawingViewChanged(ObservableValue observable, @Nullable DrawingView oldValue, @Nullable DrawingView newValue) {
Preferences prefs = Preferences.userNodeForPackage(GridInspector.class);
ChangeListener prefsGridX = (o, oldv, newv) -> {
prefs.putDouble("gridX", newv.getValue());
String units = newv.getUnits();
prefs.put("gridXUnits", units);
};
ChangeListener prefsGridY = (o, oldv, newv) -> {
prefs.putDouble("gridY", newv.getValue());
String units = newv.getUnits();
prefs.put("gridYUnits", units);
};
ChangeListener prefsGridWidth = (o, oldv, newv) -> {
prefs.putDouble("gridWidth", newv.getValue());
String units = newv.getUnits();
prefs.put("gridWidthUnits", units);
};
ChangeListener prefsGridHeight = (o, oldv, newv) -> {
prefs.putDouble("gridHeight", newv.getValue());
String units = newv.getUnits();
prefs.put("gridHeightUnits", units);
};
ChangeListener prefsGridAngle = (o, oldv, newv) -> prefs.putDouble("gridAngle", newv.doubleValue());
ChangeListener prefsGridMajorX = (o, oldv, newv) -> prefs.putInt("gridMajorX", newv.intValue());
ChangeListener prefsGridMajorY = (o, oldv, newv) -> prefs.putInt("gridMajorY", newv.intValue());
ChangeListener prefsGridColor = (o, oldv, newv) -> prefs.put("gridColor", newv.getName());
if (oldValue != null) {
heightField.textProperty().unbind();
widthField.textProperty().unbind();
xField.textProperty().unbind();
yField.textProperty().unbind();
majorXField.textProperty().unbind();
majorYField.textProperty().unbind();
angleField.textProperty().unbind();
drawGridCheckBox.selectedProperty().unbind();
snapToGridCheckBox.selectedProperty().unbind();
if (oldValue instanceof GridConstrainer gc) {
gridColorProperty.unbindBidirectional(gc.gridColorProperty());
}
}
if (newValue != null) {
gridConstrainer = new GridConstrainer(
CssSize.of(prefs.getDouble("gridX", 0), prefs.get("gridXUnits", null)),
CssSize.of(prefs.getDouble("gridY", 0), prefs.get("gridYUnits", null)),
CssSize.of(prefs.getDouble("gridWidth", 0), prefs.get("gridWidthUnits", null)),
CssSize.of(prefs.getDouble("gridHeight", 0), prefs.get("gridHeightUnits", null)),
prefs.getDouble("gridAngle", 11.25), prefs.getInt("gridMajorX", 5), prefs.getInt("gridMajorY", 5));
Converter converter = new ColorCssConverter(true);
try {
gridConstrainer.setGridColor(converter.fromString(prefs.get("gridColor", gridConstrainer.getGridColor().getName())));
} catch (ParseException ex) {
// don't set color if preferences is bogus
}
newValue.setConstrainer(gridConstrainer);
StringConverter sc
= new StringConverterAdapter<>(new SizeCssConverter(false));
StringConverter nc
= new StringConverterAdapter<>(new NumberConverter());
heightField.textProperty().bindBidirectional(gridConstrainer.heightProperty(), sc);
widthField.textProperty().bindBidirectional(gridConstrainer.widthProperty(), sc);
xField.textProperty().bindBidirectional(gridConstrainer.xProperty(), sc);
yField.textProperty().bindBidirectional(gridConstrainer.yProperty(), sc);
majorXField.textProperty().bindBidirectional(gridConstrainer.majorXProperty(), nc);
majorYField.textProperty().bindBidirectional(gridConstrainer.majorYProperty(), nc);
angleField.textProperty().bindBidirectional(gridConstrainer.angleProperty(), nc);
gridConstrainer.drawGridProperty().set(drawGridCheckBox.isSelected());
drawGridCheckBox.selectedProperty().bindBidirectional(gridConstrainer.drawGridProperty());
gridConstrainer.snapToGridProperty().set(snapToGridCheckBox.isSelected());
snapToGridCheckBox.selectedProperty().bindBidirectional(gridConstrainer.snapToGridProperty());
if (gridConstrainer != null) {
gridConstrainer.xProperty().addListener(prefsGridX);
gridConstrainer.yProperty().addListener(prefsGridY);
gridConstrainer.widthProperty().addListener(prefsGridWidth);
gridConstrainer.heightProperty().addListener(prefsGridHeight);
gridConstrainer.angleProperty().addListener(prefsGridAngle);
gridConstrainer.majorXProperty().addListener(prefsGridMajorX);
gridConstrainer.majorYProperty().addListener(prefsGridMajorY);
gridConstrainer.gridColorProperty().addListener(prefsGridColor);
gridColorProperty.bindBidirectional(gridConstrainer.gridColorProperty());
}
}
}
}