109 lines
2.4 KiB
Java
109 lines
2.4 KiB
Java
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package net.sourceforge.tuned.ui;
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import java.awt.Dimension;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.BorderFactory;
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import javax.swing.Icon;
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import javax.swing.JComponent;
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import javax.swing.JLabel;
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import javax.swing.JScrollPane;
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import javax.swing.OverlayLayout;
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public class LoadingOverlayPane extends JComponent {
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public static final String LOADING_PROPERTY = "loading";
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private final JComponent animationComponent;
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private boolean overlayEnabled = false;
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private int millisToOverlay = 500;
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public LoadingOverlayPane(JComponent component, Icon animation) {
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this(component, new JLabel(""), getView(component));
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}
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public LoadingOverlayPane(JComponent component, JComponent animation) {
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this(component, animation, getView(component));
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}
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public LoadingOverlayPane(JComponent component, JComponent animation, JComponent view) {
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setLayout(new OverlayLayout(this));
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this.animationComponent = animation;
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component.setAlignmentX(1.0f);
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component.setAlignmentY(0.0f);
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animation.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 20));
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animation.setAlignmentX(1.0f);
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animation.setAlignmentY(0.0f);
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animationComponent.setPreferredSize(new Dimension(48, 48));
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animationComponent.setMaximumSize(animationComponent.getPreferredSize());
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add(animation);
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add(component);
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setOverlayVisible(true);
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view.addPropertyChangeListener(LOADING_PROPERTY, loadingListener);
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}
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@Override
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public boolean isOptimizedDrawingEnabled() {
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return false;
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}
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private static JComponent getView(JComponent component) {
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if (component instanceof JScrollPane) {
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JScrollPane scrollPane = (JScrollPane) component;
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return (JComponent) scrollPane.getViewport().getView();
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}
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return component;
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}
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public void setOverlayVisible(boolean b) {
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overlayEnabled = b;
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if (overlayEnabled) {
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TunedUtil.invokeLater(millisToOverlay, new Runnable() {
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@Override
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public void run() {
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if (overlayEnabled) {
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animationComponent.setVisible(true);
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}
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}
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});
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} else {
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animationComponent.setVisible(false);
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}
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}
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private final PropertyChangeListener loadingListener = new PropertyChangeListener() {
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@Override
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public void propertyChange(PropertyChangeEvent evt) {
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Boolean loading = (Boolean) evt.getNewValue();
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setOverlayVisible(loading);
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}
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};
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}
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