animator and cubic bezier easing classes added (for future animations) (issue #66)

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatAnimatorTest.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright 2020 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.testing;
+
+import java.awt.*;
+import javax.swing.*;
+import com.formdev.flatlaf.util.Animator;
+import com.formdev.flatlaf.util.CubicBezierEasing;
+import net.miginfocom.swing.*;
+
+/**
+ * @author Karl Tauber
+ */
+public class FlatAnimatorTest
+	extends FlatTestPanel
+{
+	private Animator linearAnimator;
+	private Animator easeInOutAnimator;
+
+	public static void main( String[] args ) {
+		SwingUtilities.invokeLater( () -> {
+			FlatTestFrame frame = FlatTestFrame.create( args, "FlatAnimatorTest" );
+			frame.showFrame( FlatAnimatorTest::new );
+		} );
+	}
+
+	FlatAnimatorTest() {
+		initComponents();
+	}
+
+	private void start() {
+		startLinear();
+		startEaseInOut();
+	}
+
+	private void startLinear() {
+		if( linearAnimator != null ) {
+			linearAnimator.stop();
+			linearAnimator.start();
+		} else {
+			linearAnimator = new Animator( 1000, t -> {
+				linearScrollBar.setValue( Math.round( t * linearScrollBar.getMaximum() ) );
+			} );
+			linearAnimator.start();
+		}
+	}
+
+	private void startEaseInOut() {
+		if( easeInOutAnimator != null ) {
+			easeInOutAnimator.stop();
+			easeInOutAnimator.start();
+		} else {
+			easeInOutAnimator = new Animator( 1000, t -> {
+				easeInOutScrollBar.setValue( Math.round( t * easeInOutScrollBar.getMaximum() ) );
+			} );
+			easeInOutAnimator.setInterpolator( CubicBezierEasing.EASE_IN_OUT );
+			easeInOutAnimator.start();
+		}
+	}
+
+	private void initComponents() {
+		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
+		JLabel label1 = new JLabel();
+		linearScrollBar = new JScrollBar();
+		JLabel label2 = new JLabel();
+		easeInOutScrollBar = new JScrollBar();
+		startButton = new JButton();
+
+		//======== this ========
+		setLayout(new MigLayout(
+			"ltr,insets dialog,hidemode 3",
+			// columns
+			"[fill]" +
+			"[grow,fill]",
+			// rows
+			"[]" +
+			"[]" +
+			"[]"));
+
+		//---- label1 ----
+		label1.setText("Linear:");
+		add(label1, "cell 0 0");
+
+		//---- linearScrollBar ----
+		linearScrollBar.setOrientation(Adjustable.HORIZONTAL);
+		linearScrollBar.setBlockIncrement(1);
+		add(linearScrollBar, "cell 1 0");
+
+		//---- label2 ----
+		label2.setText("Ease in out:");
+		add(label2, "cell 0 1");
+
+		//---- easeInOutScrollBar ----
+		easeInOutScrollBar.setOrientation(Adjustable.HORIZONTAL);
+		easeInOutScrollBar.setBlockIncrement(1);
+		add(easeInOutScrollBar, "cell 1 1");
+
+		//---- startButton ----
+		startButton.setText("Start");
+		startButton.addActionListener(e -> start());
+		add(startButton, "cell 0 2");
+		// JFormDesigner - End of component initialization  //GEN-END:initComponents
+	}
+
+	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
+	private JScrollBar linearScrollBar;
+	private JScrollBar easeInOutScrollBar;
+	private JButton startButton;
+	// JFormDesigner - End of variables declaration  //GEN-END:variables
+}

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatAnimatorTest.jfd

@@ -0,0 +1,62 @@
+JFDML JFormDesigner: "7.0.2.0.298" Java: "14.0.2" encoding: "UTF-8"
+
+new FormModel {
+	contentType: "form/swing"
+	root: new FormRoot {
+		auxiliary() {
+			"JavaCodeGenerator.defaultVariableLocal": true
+		}
+		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
+			"$columnConstraints": "[fill][grow,fill]"
+			"$rowConstraints": "[][][]"
+		} ) {
+			name: "this"
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label1"
+				"text": "Linear:"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 0"
+			} )
+			add( new FormComponent( "javax.swing.JScrollBar" ) {
+				name: "linearScrollBar"
+				"orientation": 0
+				"blockIncrement": 1
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 0"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "label2"
+				"text": "Ease in out:"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 1"
+			} )
+			add( new FormComponent( "javax.swing.JScrollBar" ) {
+				name: "easeInOutScrollBar"
+				"orientation": 0
+				"blockIncrement": 1
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 1"
+			} )
+			add( new FormComponent( "javax.swing.JButton" ) {
+				name: "startButton"
+				"text": "Start"
+				auxiliary() {
+					"JavaCodeGenerator.variableLocal": false
+				}
+				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "start", false ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 2"
+			} )
+		}, new FormLayoutConstraints( null ) {
+			"location": new java.awt.Point( 0, 0 )
+			"size": new java.awt.Dimension( 415, 350 )
+		} )
+	}
+}