8 changed files with 461 additions and 103 deletions
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package com.fine.theme.light.ui; |
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import com.fine.theme.icon.LazyIcon; |
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import com.fine.theme.utils.AnimatedPainter; |
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import com.fine.theme.utils.FineUIScale; |
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import com.formdev.flatlaf.ui.FlatUIUtils; |
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import com.fr.design.foldablepane.HeaderPane; |
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import javax.swing.Icon; |
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import javax.swing.JComponent; |
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import javax.swing.UIManager; |
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import javax.swing.plaf.ComponentUI; |
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import javax.swing.plaf.PanelUI; |
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import java.awt.AlphaComposite; |
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import java.awt.Component; |
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import java.awt.Font; |
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import java.awt.FontMetrics; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Insets; |
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import java.awt.geom.AffineTransform; |
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/** |
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* 标题组件UI |
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* |
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* @author vito |
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* @since 11.0 |
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* Created on 2024/1/29 |
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*/ |
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public class FineHeaderPaneUI extends PanelUI implements AnimatedPainter { |
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private Icon triangleRight; |
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private static final int ICON_FIX = -2; |
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/** |
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* 创建UI |
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* |
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* @param c 组件 |
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* @return ComponentUI |
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*/ |
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public static ComponentUI createUI(JComponent c) { |
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return new FineHeaderPaneUI(); |
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} |
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@Override |
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public void installUI(JComponent c) { |
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super.installUI(c); |
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triangleRight = new LazyIcon("triangle_right"); |
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} |
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@Override |
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public void uninstallUI(JComponent c) { |
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super.uninstallUI(c); |
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} |
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@Override |
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public void paint(Graphics g, JComponent c) { |
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paintWithAnimation(c, g, c.getX(), c.getY(), c.getWidth(), c.getHeight()); |
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} |
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@Override |
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public void paintAnimated(Component c, Graphics2D g, int x, int y, int width, int height, float[] animatedValues) { |
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Graphics2D g2d = (Graphics2D) g.create(); |
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HeaderPane headerPane = (HeaderPane) c; |
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g2d.setColor(c.getBackground()); |
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if (headerPane.isPressed()) { |
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g2d.setColor(UIManager.getColor("Button.pressedBackground")); |
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} |
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Insets insets = headerPane.getInsets(); |
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g2d.fillRect(0, insets.top / 2, |
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headerPane.getWidth(), headerPane.getHeight() - (insets.top + insets.bottom) / 2); |
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int iconY = (headerPane.getHeight() - triangleRight.getIconHeight()) / 2; |
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// 动起来,旋转角度（弧度）,动画帧绘制开始
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double rotationAngle = Math.toRadians(90 * animatedValues[0]); |
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// 设置旋转中心
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AffineTransform oldTransform = g2d.getTransform(); |
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// 折叠面板需要icon显示左边缘对齐，fix一下
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g2d.rotate(rotationAngle, FineUIScale.scale(ICON_FIX) + triangleRight.getIconWidth() / 2.0, |
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iconY + triangleRight.getIconHeight() / 2.0); |
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// 绘制旋转后的正方形
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triangleRight.paintIcon(c, g2d, FineUIScale.scale(ICON_FIX), iconY); |
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// 恢复原始的变换
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g2d.setTransform(oldTransform); |
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// ----- 动画帧绘制结束 -----
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g2d.setFont(c.getFont().deriveFont(Font.BOLD)); |
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g2d.setPaint(c.getForeground()); |
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g2d.setComposite(AlphaComposite.SrcOver.derive(c.getForeground().getAlpha() / 255f)); |
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FontMetrics metrics = g2d.getFontMetrics(); |
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int ascent = metrics.getAscent(); |
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int descent = metrics.getDescent(); |
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float titleX = triangleRight.getIconWidth() + FineUIScale.scale(ICON_FIX) |
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+ FineUIScale.scale(UIManager.getInt("ExpandablePane.HeaderPane.hGap")); |
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float titleY = (headerPane.getHeight() - (ascent + descent)) / 2.0f + ascent; |
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FlatUIUtils.setRenderingHints(g2d); |
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g2d.drawString(headerPane.getTitle(), titleX, titleY); |
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g2d.dispose(); |
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} |
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@Override |
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public float[] getValues(Component c) { |
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HeaderPane headerPane = (HeaderPane) c; |
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return new float[]{headerPane.isShow() ? 1 : 0}; |
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} |
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} |
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package com.fine.theme.utils; |
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import com.formdev.flatlaf.util.Animator.Interpolator; |
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import com.formdev.flatlaf.util.CubicBezierEasing; |
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import java.awt.Component; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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/** |
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* Painter 可在组件值更改时自动对绘画进行动画处理。 |
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* getValues(Component) 返回组件的值。如果值已更改，则 paintAnimated(Component, Graphics2D, int, int, int, int, float[]) |
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* 使用动画值（从旧值到新值）多次调用。如果 getValues(Component) 返回多个值，则每个值都有自己独立的动画。 |
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* 仅当传递给 paintWithAnimation(Component, Graphics, int, int, int, int) 的组件是 的 JComponent实例时，动画才有效。 |
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* 在组件上设置客户端属性以存储动画状态。 |
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* |
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* @author vito |
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* @since 11.0 |
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* Created on 2024/1/29 |
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*/ |
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public interface AnimatedPainter { |
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/** |
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* 开始绘画。调用 paintAnimated(Component, Graphics2D, int, int, int, int, float[]) 一次来绘制当前值 |
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* 或者如果值与上次绘制相比发生了变化，则它会启动动画并使用动画值（从旧值到新值）多次调用 |
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* paintAnimated(Component, Graphics2D, int, int, int, int, float[]) 。 |
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* |
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* @param c 动画所属组件 |
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* @param g 绘制上下文 |
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* @param x x |
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* @param y y |
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* @param width 区域宽度 |
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* @param height 区域高度 |
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*/ |
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default void paintWithAnimation(Component c, Graphics g, int x, int y, int width, int height) { |
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AnimatedPainterSupport.paint(this, c, g, x, y, width, height); |
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} |
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/** |
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* 绘制给定的（动画）值。 |
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* 从 paintWithAnimation(Component, Graphics, int, int, int, int)调用。 |
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* |
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* @param c 动画所属组件 |
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* @param g 绘制上下文 |
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* @param x x |
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* @param y y |
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* @param width 区域宽度 |
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* @param height 区域高度 |
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* @param animatedValues 动画值，介于先前的值 getValues(Component) 和返回的最新值 getValues(Component) 之间 |
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*/ |
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void paintAnimated(Component c, Graphics2D g, int x, int y, int width, int height, float[] animatedValues); |
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/** |
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* 从 animator 调用以重新绘制区域。 |
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* 用于限制重绘区域。例如，如果希望只有底部边框有动画。如果对多个边框进行动画处理（例如底部和右侧），那么单独的重绘是没有意义的， |
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* 因为 Swing 重绘管理器会合并区域并重绘整个组件。默认实现会重新绘制整个给定区域。 |
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*/ |
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default void repaintDuringAnimation(Component c, int x, int y, int width, int height) { |
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c.repaint(x, y, width, height); |
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} |
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/** |
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* 获取组件的值。 |
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* 如果值发生更改，则此类将从旧值动画到新值。如果返回多个值，则每个值都有自己独立的动画。 |
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* 对于切换按钮，0 表示关闭和 1 表示打开 |
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*/ |
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float[] getValues(Component c); |
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/** |
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* 动画是否启用 |
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*/ |
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default boolean isAnimationEnabled() { |
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return true; |
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} |
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/** |
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* 返回动画的持续时间（以毫秒为单位）（默认值为 150）。 |
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*/ |
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default int getAnimationDuration() { |
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return 150; |
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} |
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/** |
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* 返回动画的分辨率（以毫秒为单位）（默认值为 10）。分辨率是计时事件之间的时间量。 |
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*/ |
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default int getAnimationResolution() { |
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return 10; |
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} |
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/** |
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* 返回动画的插值器。默认值为 {@link CubicBezierEasing#STANDARD_EASING}. |
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*/ |
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default Interpolator getAnimationInterpolator() { |
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return CubicBezierEasing.STANDARD_EASING; |
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} |
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/** |
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* 返回给定值索引和值的动画持续时间（以毫秒为单位）（默认值为 150）。 |
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*/ |
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default int getAnimationDuration(int valueIndex, float value) { |
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return getAnimationDuration(); |
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} |
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/** |
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* 返回给定值索引和值的动画分辨率（以毫秒为单位）（默认值为 10）。分辨率是计时事件之间的时间量 |
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*/ |
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default int getAnimationResolution(int valueIndex, float value) { |
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return getAnimationResolution(); |
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} |
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/** |
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* 返回给定值索引和值的动画插值器。默认值为 {@link CubicBezierEasing#STANDARD_EASING}. |
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*/ |
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default Interpolator getAnimationInterpolator(int valueIndex, float value) { |
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return getAnimationInterpolator(); |
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} |
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/** |
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* 返回用于存储动画支持的客户端属性键。 |
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*/ |
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default Object getClientPropertyKey() { |
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return getClass(); |
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} |
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/** |
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* 保存位置，提供给 repaintDuringAnimation(Component, int, int, int, int)使用重新绘制动画区域。 |
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* 仅当传递到的 paintWithAnimation(Component, Graphics, int, int, int, int) 图形上下文使用转换的位置时才需要。 |
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*/ |
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static void saveRepaintLocation(AnimatedPainter painter, Component c, int x, int y) { |
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AnimatedPainterSupport.saveRepaintLocation(painter, c, x, y); |
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} |
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} |
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@ -0,0 +1,167 @@
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package com.fine.theme.utils; |
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import com.formdev.flatlaf.util.Animator; |
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import javax.swing.JComponent; |
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import java.awt.Component; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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/** |
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* 动画支持类，用于存储动画状态并实现动画。 |
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* |
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* @author vito |
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* @since 12.0 |
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* Created on 2024/1/29 |
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*/ |
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class AnimatedPainterSupport { |
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private int valueIndex; |
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private float startValue; |
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private float targetValue; |
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private float animatedValue; |
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private float fraction; |
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private Animator animator; |
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// last bounds of the paint area needed to repaint while animating
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private int x; |
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private int y; |
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private int width; |
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private int height; |
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static void paint(AnimatedPainter painter, Component c, Graphics g, |
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int x, int y, int width, int height) { |
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if (!isAnimationEnabled(painter, c)) { |
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// paint without animation if animation is disabled or
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// component is not a JComponent and therefore does not support
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// client properties, which are required to keep animation state
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painter.paintAnimated(c, (Graphics2D) g, x, y, width, height, painter.getValues(c)); |
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return; |
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} |
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// get component values
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float[] values = painter.getValues(c); |
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JComponent jc = (JComponent) c; |
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Object key = painter.getClientPropertyKey(); |
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AnimatedPainterSupport[] ass = (AnimatedPainterSupport[]) jc.getClientProperty(key); |
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// check whether length of values array has changed
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if (ass != null && ass.length != values.length) { |
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// cancel all running animations
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for (AnimatedPainterSupport as : ass) { |
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if (as.animator != null) { |
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as.animator.cancel(); |
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} |
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} |
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ass = null; |
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} |
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if (ass == null) { |
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ass = new AnimatedPainterSupport[values.length]; |
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jc.putClientProperty(key, ass); |
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} |
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for (int i = 0; i < ass.length; i++) { |
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AnimatedPainterSupport as = ass[i]; |
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float value = values[i]; |
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if (as == null) { |
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// painted first time --> do not animate, but remember current component value
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as = new AnimatedPainterSupport(); |
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as.valueIndex = i; |
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as.startValue = as.targetValue = as.animatedValue = value; |
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ass[i] = as; |
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} else if (value != as.targetValue) { |
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// value changed --> (re)start animation
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int animationDuration = painter.getAnimationDuration(as.valueIndex, value); |
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// do not animate if animation duration (for current value) is zero
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if (animationDuration <= 0) { |
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if (as.animator != null) { |
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as.animator.cancel(); |
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as.animator = null; |
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} |
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as.startValue = as.targetValue = as.animatedValue = value; |
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as.fraction = 0; |
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continue; |
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} |
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if (as.animator == null) { |
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// create animator
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AnimatedPainterSupport as2 = as; |
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as.animator = new Animator(1, fraction -> { |
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// check whether component was removed while animation is running
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if (!c.isDisplayable()) { |
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as2.animator.stop(); |
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return; |
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} |
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// compute animated value
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as2.animatedValue = as2.startValue + ((as2.targetValue - as2.startValue) * fraction); |
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as2.fraction = fraction; |
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// repaint
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painter.repaintDuringAnimation(c, as2.x, as2.y, as2.width, as2.height); |
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}, () -> { |
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as2.startValue = as2.animatedValue = as2.targetValue; |
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as2.animator = null; |
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}); |
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} |
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if (as.animator.isRunning()) { |
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// if animation is still running, restart it from the current
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// animated value to the new target value with reduced duration
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as.animator.cancel(); |
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int duration2 = (int) (animationDuration * as.fraction); |
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if (duration2 > 0) |
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as.animator.setDuration(duration2); |
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as.startValue = as.animatedValue; |
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} else { |
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// new animation
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as.animator.setDuration(animationDuration); |
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as.animatedValue = as.startValue; |
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} |
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// update animator for new value
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as.animator.setResolution(painter.getAnimationResolution(as.valueIndex, value)); |
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as.animator.setInterpolator(painter.getAnimationInterpolator(as.valueIndex, value)); |
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// start animation
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as.targetValue = value; |
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as.animator.start(); |
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} |
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as.x = x; |
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as.y = y; |
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as.width = width; |
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as.height = height; |
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} |
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float[] animatedValues = new float[ass.length]; |
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for (int i = 0; i < ass.length; i++) { |
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animatedValues[i] = ass[i].animatedValue; |
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} |
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painter.paintAnimated(c, (Graphics2D) g, x, y, width, height, animatedValues); |
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} |
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private static boolean isAnimationEnabled(AnimatedPainter painter, Component c) { |
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return Animator.useAnimation() && painter.isAnimationEnabled() && c instanceof JComponent; |
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} |
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static void saveRepaintLocation(AnimatedPainter painter, Component c, int x, int y) { |
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if (!isAnimationEnabled(painter, c)) |
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return; |
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AnimatedPainterSupport[] ass = (AnimatedPainterSupport[]) ((JComponent) c).getClientProperty(painter.getClientPropertyKey()); |
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if (ass != null) { |
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for (AnimatedPainterSupport as : ass) { |
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as.x = x; |
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as.y = y; |
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} |
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} |
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} |
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} |
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