REPORT-107973 修改渐变色滑块UI实现

designer-base/src/main/java/com/fine/theme/light/ui/FineGradientBarUI.java

@@ -1,6 +1,7 @@
 package com.fine.theme.light.ui;
 
 import com.fine.theme.utils.FineUIUtils;
+import com.formdev.flatlaf.ui.FlatPanelUI;
 import com.fr.design.style.background.gradient.GradientBar;
 import com.fr.design.style.background.gradient.SelectColorPointBtn;
 import com.fr.stable.AssistUtils;
@@ -31,7 +32,7 @@ import java.util.List;
  * @since 11.0
  * Created on 2023/12/19
  */
-public class FineGradientBarUI extends ComponentUI {
+public class FineGradientBarUI extends FlatPanelUI {
 
     private int directionalShapeSize;
     private int recHeight;
@@ -54,6 +55,10 @@ public class FineGradientBarUI extends ComponentUI {
 
     boolean[] hoverStatus;
 
+    protected FineGradientBarUI(boolean shared) {
+        super(shared);
+    }
+
 
     /**
      * 创建UI
@@ -62,7 +67,7 @@ public class FineGradientBarUI extends ComponentUI {
      * @return UI
      */
     public static ComponentUI createUI(JComponent c) {
-        return new FineGradientBarUI();
+        return new FineGradientBarUI(false);
     }
 
     @Override
@@ -71,10 +76,6 @@ public class FineGradientBarUI extends ComponentUI {
         installDefaults(c);
 
         gradientBar = (GradientBar) c;
-        list = gradientBar.getList();
-        p1 = gradientBar.getSelectColorPointBtnP1();
-        p2 = gradientBar.getSelectColorPointBtnP2();
-        hoverStatus = new boolean[list.size()];
         mouseMotionListener = new TrackMotionListener();
         mouseListener = new TrackMouseListener();
         gradientBar.addMouseMotionListener(mouseMotionListener);
@@ -143,7 +144,6 @@ public class FineGradientBarUI extends ComponentUI {
             int halfSize = directionalShapeSize / 2;
             boolean x = e.getX() <= gradientBar.getWidth() - halfSize && e.getX() >= halfSize;
             if (x) {
-                list.get(index).setX(e.getX());
                 list.get(index).setStartPosition((double) (e.getX() - halfSize) / (gradientBar.getWidth() - directionalShapeSize));
                 gradientBar.repaint();
             }
@@ -201,6 +201,15 @@ public class FineGradientBarUI extends ComponentUI {
     public void paint(Graphics g, JComponent c) {
         Graphics2D g2 = (Graphics2D) g;
 
+
+        gradientBar = (GradientBar) c;
+        list = gradientBar.getList();
+        p1 = gradientBar.getSelectColorPointBtnP1();
+        p2 = gradientBar.getSelectColorPointBtnP2();
+        if (hoverStatus == null) {
+            hoverStatus = new boolean[list.size()];
+        }
+
         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
         g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
 
@@ -232,6 +241,13 @@ public class FineGradientBarUI extends ComponentUI {
             colors[i] = btnList.get(i).getColorInner();
         }
 
+        float[] dist = getColorFloats(c, btnList);
+        LinearGradientPaint paint = new LinearGradientPaint(start, end, dist, colors);
+        g2d.setPaint(paint);
+        g2d.fillRect(halfSize + borderWidth, borderWidth, c.getWidth() - directionalShapeSize - borderWidth * 2, recHeight - borderWidth * 2);
+    }
+
+    private float[] getColorFloats(GradientBar c, List<SelectColorPointBtn> btnList) {
         float[] dist = new float[btnList.size()];
         for (int i = 0; i < btnList.size(); i++) {
             if (btnList.get(i).getStartPosition() < 0) {
@@ -243,6 +259,7 @@ public class FineGradientBarUI extends ComponentUI {
             }
 
             btnList.get(i).setX(dist[i] * (c.getWidth() - directionalShapeSize) + (double) directionalShapeSize / 2);
+            btnList.get(i).setY(recHeight);
         }
 
         float dist1 = dist[btnList.size() - 1];
@@ -250,9 +267,7 @@ public class FineGradientBarUI extends ComponentUI {
         if (AssistUtils.equals(dist1, dist2)) {
             dist[btnList.size() - 1] = (float) (dist2 + offset);
         }
-        LinearGradientPaint paint = new LinearGradientPaint(start, end, dist, colors);
-        g2d.setPaint(paint);
-        g2d.fillRect(halfSize + borderWidth, borderWidth, c.getWidth() - directionalShapeSize - borderWidth * 2, recHeight - borderWidth * 2);
+        return dist;
     }
 
     private void paintBorder(Graphics2D g2d, GradientBar c) {

designer-base/src/main/java/com/fr/design/style/background/gradient/AbstractComponentPopBox.java

@@ -4,14 +4,11 @@ import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.design.style.background.BackgroundJComponent;
 import com.fr.general.Background;
 
-import javax.swing.JComponent;
 import javax.swing.JPanel;
 import javax.swing.JWindow;
 import javax.swing.SwingUtilities;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
-import java.util.ArrayList;
-import java.util.List;
 import java.awt.AWTEvent;
 import java.awt.Dimension;
 import java.awt.Point;
@@ -21,13 +18,17 @@ import java.awt.Window;
 import java.awt.event.AWTEventListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
+ * 渐变色弹出窗口
+ *
  * @author Bjorn
- * @version 10.0
- * Created by Bjorn on 2021-08-24
+ * @since 10.0
+ * Created on 2021-08-24
  */
-public abstract class AbstractComponentPopBox extends JComponent {
+public abstract class AbstractComponentPopBox extends JPanel {
 
     protected BackgroundJComponent displayComponent;
 

designer-base/src/main/java/com/fr/design/style/background/gradient/GradientBar.java

@@ -1,6 +1,5 @@
 package com.fr.design.style.background.gradient;
 
-import com.fine.theme.light.ui.FineGradientBarUI;
 import com.fine.theme.utils.FineUIUtils;
 import com.fr.base.background.ColorBackground;
 import com.fr.design.event.UIObserver;
@@ -86,7 +85,6 @@ public class GradientBar extends AbstractComponentPopBox implements UIObserver,
         p2.setStartPosition(1);
         addMouseClickListener();
         iniListener();
-        setUI(new FineGradientBarUI());
     }
 
     public List<SelectColorPointBtn> getList() {