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High quality UI controls and other tools to complement the core JavaFX distribution
/**
* Copyright (c) 2014, ControlsFX
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of ControlsFX, any associated website, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL CONTROLSFX BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.controlsfx.samples;
import java.text.DecimalFormat;
import java.text.ParseException;
import javafx.animation.AnimationTimer;
import javafx.animation.RotateTransition;
import javafx.application.Application;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.geometry.Insets;
import javafx.geometry.Rectangle2D;
import javafx.scene.Node;
import javafx.scene.SnapshotParameters;
import javafx.scene.SnapshotResult;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.Label;
import javafx.scene.control.SelectionModel;
import javafx.scene.control.TextField;
import javafx.scene.control.TitledPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Callback;
import javafx.util.Duration;
import javafx.util.StringConverter;
import org.controlsfx.ControlsFXSample;
import org.controlsfx.control.SnapshotView;
/**
* Demonstrates the {@link SnapshotView}.
*/
public class HelloSnapshotView extends ControlsFXSample {
/* ************************************************************************
* *
* Attributes & Properties *
* *
**************************************************************************/
// STATIC
/**
* The format used to display all numbers in the text fields.
*/
private static final DecimalFormat zeroDpFormat = new DecimalFormat("0");
private static final DecimalFormat twoDpFormat = new DecimalFormat("0.00");
/**
* The names of the displayed images.
*/
private final String[] nodeNames = new String[] {
"ControlsFX Logo",
"Java's Duke",
"Rotating Node"
};
/**
* the displayed nodes.
*/
private Node[] nodes;
// INSTANCE
/**
* The demoed view.
*/
private final SnapshotView selector = new SnapshotView();
/**
* The label showing the name of the currently displayed image.
*/
private final Label imageNameTestField = new Label();
/**
* The index in the array of images and image names.
*/
private int imageIndex = 0;
/* ************************************************************************
* *
* Displayed Controls *
* *
**************************************************************************/
@Override
public Node getPanel(Stage stage) {
Rectangle rotatingRect = new Rectangle(200, 300, Color.GREEN);
RotateTransition rotator = new RotateTransition(Duration.seconds(3), rotatingRect);
rotator.setAutoReverse(true);
rotator.setByAngle(360);
rotator.setCycleCount(Integer.MAX_VALUE);
rotator.play();
nodes = new Node[] {
new ImageView(new Image(getClass().getResource("ControlsFX.png").toExternalForm())),
new ImageView(new Image(getClass().getResource("duke_wave.png").toExternalForm())),
rotatingRect
};
displayImageAndNameforIndex(imageIndex);
return selector;
}
/**
* Displays the image and its name at the specified index.
*
* @param index
* the index used to access {@link #images} and {@link #imageNames}
*/
private void displayImageAndNameforIndex(int index) {
imageNameTestField.setText(nodeNames[index]);
selector.setNode(nodes[index]);
}
@Override
public Node getControlPanel() {
return new VBox(10, createSettingsControl(), createSelectionControl(), createSnapshot());
}
private ImageView snapshotImageView;
/**
* @return a control for all the image related properties
*/
private Node createSettingsControl() {
GridPane grid = new GridPane();
grid.setVgap(10);
grid.setHgap(10);
grid.setPadding(new Insets(10));
int row = 0;
// --- Node
Label nodeTypeLabel = new Label("Node type: ");
nodeTypeLabel.getStyleClass().add("property");
grid.add(nodeTypeLabel, 0, row);
final ChoiceBox graphicOptions = new ChoiceBox<>(FXCollections.observableArrayList(nodeNames));
graphicOptions.setMaxWidth(Double.MAX_VALUE);
GridPane.setHgrow(graphicOptions, Priority.ALWAYS);
final SelectionModel sm = graphicOptions.getSelectionModel();
sm.selectedItemProperty().addListener(new InvalidationListener() {
@Override public void invalidated(Observable o) {
imageIndex = sm.getSelectedIndex();
displayImageAndNameforIndex(imageIndex);
}
});
sm.select(0);
grid.add(graphicOptions, 1, row++);
// --- fixed ratio
Label fixedRatioLabel = new Label("Fixed selection ratio: ");
fixedRatioLabel.getStyleClass().add("property");
grid.add(fixedRatioLabel, 0, row);
CheckBox ratioFixed = new CheckBox();
ratioFixed.selectedProperty().bindBidirectional(selector.selectionRatioFixedProperty());
grid.add(ratioFixed, 1, row++);
// --- ratio
Label ratioLabel = new Label("Fixed ratio: ");
ratioLabel.getStyleClass().add("property");
grid.add(ratioLabel, 0, row);
TextField ratioTextField = new TextField();
ratioTextField.textProperty().bindBidirectional(selector.fixedSelectionRatioProperty(), new StringConverter() {
@Override public Number fromString(String value) {
try {
return twoDpFormat.parse(value);
} catch (ParseException e) {
return 1;
}
}
@Override public String toString(Number value) {
return twoDpFormat.format(value);
}
});
grid.add(ratioTextField, 1, row++);
return new TitledPane("Settings", grid);
}
private TextField upperLeftX;
private TextField upperLeftY;
private TextField lowerRightX;
private TextField lowerRightY;
private TextField width;
private TextField height;
private TextField ratio;
/**
* @return a control for all the selection related properties
*/
private Node createSelectionControl() {
// upper left
upperLeftX = new TextField();
upperLeftX.setPrefColumnCount(3);
upperLeftX.setEditable(false);
upperLeftY = new TextField();
upperLeftY.setPrefColumnCount(3);
upperLeftY.setEditable(false);
// lower right
lowerRightX = new TextField();
lowerRightX.setPrefColumnCount(3);
lowerRightX.setEditable(false);
lowerRightY = new TextField();
lowerRightY.setPrefColumnCount(3);
lowerRightY.setEditable(false);
// size
width = new TextField();
width.setPrefColumnCount(3);
width.setEditable(false);
height = new TextField();
height.setPrefColumnCount(3);
height.setEditable(false);
ratio = new TextField();
ratio.setPrefColumnCount(3);
// set up the binding
selector.selectionProperty().addListener(new ChangeListener() {
@Override
public void changed(
ObservableValue observable, Rectangle2D oldValue, Rectangle2D newValue) {
if (newValue == null) {
upperLeftX.setText("");
upperLeftY.setText("");
lowerRightX.setText("");
lowerRightY.setText("");
width.setText("");
height.setText("");
ratio.setText("");
} else {
upperLeftX.setText(zeroDpFormat.format(newValue.getMinX()));
upperLeftY.setText(zeroDpFormat.format(newValue.getMinY()));
lowerRightX.setText(zeroDpFormat.format(newValue.getMaxX()));
lowerRightY.setText(zeroDpFormat.format(newValue.getMaxY()));
width.setText(zeroDpFormat.format(newValue.getWidth()));
height.setText(zeroDpFormat.format(newValue.getHeight()));
ratio.setText(twoDpFormat.format(newValue.getWidth() / newValue.getHeight()));
}
}
});
// put it all together
GridPane grid = new GridPane();
grid.setVgap(10);
grid.setHgap(10);
grid.setPadding(new Insets(10));
int row = 0;
grid.addRow(row++, new Label("Upper Left Corner:"), upperLeftX, new Label("/"), upperLeftY);
grid.addRow(row++, new Label("Lower Right Corner:"), lowerRightX, new Label("/"), lowerRightY);
grid.addRow(row++, new Label("Size (Ratio):"), width, new Label("x"), height, new Label(" ("), ratio, new Label(")"));
CheckBox selectionChanging = new CheckBox();
selectionChanging.setDisable(true);
selectionChanging.selectedProperty().bindBidirectional(selector.selectionChangingProperty());
CheckBox selectionValid = new CheckBox();
selectionValid.selectedProperty().bind(selector.selectionValidProperty());
selectionValid.setDisable(true);
grid.addRow(row++, new Label("Selection Changing:"), selectionChanging);
grid.addRow(row++, new Label("Selection Valid:"), selectionValid);
return new TitledPane("Selection Stats", grid);
}
private Node createSnapshot() {
AnimationTimer timer = new AnimationTimer() {
@Override public void handle(long arg0) {
snapshotImageView.setImage(selector.createSnapshot());
}
};
timer.start();
snapshotImageView = new ImageView();
return new TitledPane("Snapshot", snapshotImageView);
}
/* ************************************************************************
* *
* Boilerplate *
* *
**************************************************************************/
public static void main(String[] args) {
Application.launch(args);
}
@Override
public String getSampleName() {
return "SnapshotView";
}
@Override
public String getJavaDocURL() {
return Utils.JAVADOC_BASE
+ "org/controlsfx/control/SnapshotView.html";
}
@Override
public String getControlStylesheetURL() {
return "/org/controlsfx/control/snapshot-view.css";
}
@Override
public String getSampleDescription() {
return "A tool which allows the user to select a rectangular area of the displayed node. " +
"The selection's ratio can be fixed so that the user can only make selections with that ratio.";
}
}