REPORT-145301 fix:优化web属性几个面板中涉及到的滚动效果

designer-base/src/main/java/com/fine/theme/utils/FineUIUtils.java

@@ -18,6 +18,7 @@ import javax.swing.JLayer;
 import javax.swing.ScrollPaneConstants;
 import javax.swing.UIManager;
 import javax.swing.JTextArea;
+import javax.swing.JScrollBar;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Composite;
@@ -517,4 +518,88 @@ public class FineUIUtils {
         DesignerFrame parent = DesignerContext.getDesignerFrame();
         return new Dimension((int) (parent.getWidth() * width),(int) (parent.getHeight() * height));
     }
+
+    /**
+     * 处理子面板的滚动事件。
+     * 根据滚动情况，判断是否需要将事件传递给父面板，或者由子面板自行处理滚动。
+     *
+     * @param childScrollBar 子面板的滚动条
+     * @param parentScrollBar 父面板的滚动条
+     * @param scrollAmount 滚动增量，通常是鼠标滚轮的滚动值
+     */
+    public static void handleChildScrollEvent(JScrollBar childScrollBar, JScrollBar parentScrollBar, int scrollAmount) {
+        // 如果子面板的滚动条为空，返回
+        if (childScrollBar == null) {
+            return;
+        }
+        // 如果子面板没有显示滚动条，直接将滚动事件传递给父面板
+        if (!childScrollBar.isVisible()) {
+            propagateScrollToParent(parentScrollBar, scrollAmount);
+            return;
+        }
+        // 获取子面板当前的滚动值、最小值、最大值和可见区域的高度
+        int currentScrollValue = childScrollBar.getValue();
+        int minScrollValue = childScrollBar.getMinimum();
+        int maxScrollValue = childScrollBar.getMaximum();
+        int visibleAreaHeight = childScrollBar.getVisibleAmount();
+        // 如果滚动到顶部或到底部，将事件传递给父面板
+        if (isScrolledToTop(currentScrollValue, minScrollValue, scrollAmount)
+                || isScrolledToBottom(currentScrollValue, maxScrollValue, visibleAreaHeight, scrollAmount)) {
+            propagateScrollToParent(parentScrollBar, scrollAmount);
+        } else {
+            // 否则由子面板自己处理滚动更新滚动值
+            childScrollBar.setValue(currentScrollValue + calculateScrollIncrement(childScrollBar, scrollAmount));
+        }
+    }
+
+    /**
+     * 判断是否滚动到顶部。
+     *
+     * @param currentScrollValue 当前滚动条的位置
+     * @param minScrollValue 滚动条的最小值
+     * @param scrollAmount 滚动增量
+     * @return 如果滚动到顶部，返回 true；否则返回 false
+     */
+    private static boolean isScrolledToTop(int currentScrollValue, int minScrollValue, int scrollAmount) {
+        return scrollAmount < 0 && currentScrollValue == minScrollValue;
+    }
+
+    /**
+     * 判断是否滚动到底部。
+     *
+     * @param currentScrollValue 当前滚动条的位置
+     * @param maxScrollValue 滚动条的最大值
+     * @param visibleAreaHeight 可见区域的高度
+     * @param scrollAmount 滚动增量
+     * @return 如果滚动到底部，返回 true；否则返回 false
+     */
+    private static boolean isScrolledToBottom(int currentScrollValue, int maxScrollValue, int visibleAreaHeight, int scrollAmount) {
+        return scrollAmount > 0 && currentScrollValue == maxScrollValue - visibleAreaHeight;
+    }
+
+    /**
+     * 将滚动事件传递给父面板，处理父面板的滚动。
+     *
+     * @param parentScrollBar 父面板的滚动条
+     * @param scrollAmount 滚动增量
+     */
+    private static void propagateScrollToParent(JScrollBar parentScrollBar, int scrollAmount) {
+        if (parentScrollBar != null) {
+            // 根据滚动增量计算并更新父面板滚动条的位置
+            int scrollIncrement = calculateScrollIncrement(parentScrollBar, scrollAmount);
+            parentScrollBar.setValue(parentScrollBar.getValue() + scrollIncrement);
+        }
+    }
+
+    /**
+     * 计算滚动增量，基于滚动条的单位增量和滚动的数量，UIScrollPane中设置的30
+     *
+     * @param scrollBar 滚动条
+     * @param scrollAmount 滚动增量
+     * @return 计算出的增量值
+     */
+    private static int calculateScrollIncrement(JScrollBar scrollBar, int scrollAmount) {
+        // 获取滚动条的单位增量，并计算实际的滚动增量
+        return scrollAmount * scrollBar.getUnitIncrement(1);
+    }
 }

designer-realize/src/main/java/com/fr/design/webattr/EventPane.java

@@ -49,6 +49,7 @@ public class EventPane extends BasicPane {
 	private EditAction editAction;
 	private RemoveAction removeAction;
 	private String[] eventName;
+	private UIScrollPane scrollPane;
 
 	private int itemHeight = 20;
 
@@ -76,12 +77,22 @@ public class EventPane extends BasicPane {
 		eventList.setCellRenderer(render);
 		eventList.addMouseListener(editListener);
 		eventList.setBackground(FlatUIUtils.getUIColor("fill.normal", Color.WHITE));
-		JScrollPane scrollPane = new UIScrollPane(eventList);
+		scrollPane = new UIScrollPane(eventList);
 		scrollPane.setBorder(new FineRoundBorder());
 		//让事件设置列表铺满，有特殊设置在外层调用处修改
 		this.add(column(LayoutConstants.VGAP_SMALL, cell(toolBar), cell(scrollPane).weight(1)).getComponent());
 	}
 
+	/**
+	 * 获取当前面板的滚动面板（UIScrollPane）。
+	 * 用于获取滚动条或进行其他基于滚动面板的操作。
+	 *
+	 * @return 当前组件的 UIScrollPane 实例
+	 */
+	public UIScrollPane getScrollPane() {
+		return scrollPane;
+	}
+
 	@Override
 	public void setEnabled(boolean enabled) {
 		super.setEnabled(enabled);

designer-realize/src/main/java/com/fr/design/webattr/ToolBarDragPane.java

@@ -11,6 +11,7 @@ import com.fr.design.constants.LayoutConstants;
 import com.fr.design.gui.core.WidgetOption;
 import com.fr.design.gui.ibutton.UIButton;
 import com.fr.design.gui.icheckbox.UICheckBox;
+import com.fr.design.gui.icontainer.UIScrollPane;
 import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.design.mainframe.DesignerContext;
 import com.fr.design.utils.gui.GUICoreUtils;
@@ -29,7 +30,6 @@ import java.awt.image.ImageObserver;
 import javax.swing.Icon;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
-import javax.swing.JScrollPane;
 import javax.swing.JTable;
 import javax.swing.ListSelectionModel;
 import javax.swing.SwingUtilities;
@@ -61,6 +61,7 @@ public class ToolBarDragPane extends WidgetToolBarPane {
 	private JTable layoutTable;
 	private UICheckBox isUseToolBarCheckBox = new UICheckBox(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Use_ToolBar")); // 是否使用工具栏
 	private boolean isEnabled;
+	private UIScrollPane scrollPane;
 
 	/**
 	 * 工具栏Pane
@@ -191,15 +192,26 @@ public class ToolBarDragPane extends WidgetToolBarPane {
 
 		//工具栏面板center布局：顶部工具栏-上移动按钮-图标面板-下移动按钮-底部工具栏
 		JPanel movePane = FRGUIPaneFactory.createBorderLayout_S_Pane();
+		scrollPane = new UIScrollPane(buttonTablePanel);
 		movePane.add(column(1,
 				cell(topToolbarPanel),
 				cell(topButton),
-				cell(buttonTablePanel),
+				cell(scrollPane),
 				cell(downButton),
 				cell(bottomToolbarPanel)
 		).getComponent());
 		//工具栏整体面板
-		this.add(column(LayoutConstants.VERTICAL_GAP, cell(northPanel), cell(new JScrollPane(movePane))).getComponent());
+		this.add(column(LayoutConstants.VERTICAL_GAP, cell(northPanel), cell(movePane)).getComponent());
+	}
+
+	/**
+	 * 获取当前面板的滚动面板（UIScrollPane）。
+	 * 用于获取滚动条或进行其他基于滚动面板的操作。
+	 *
+	 * @return 当前组件的 UIScrollPane 实例
+	 */
+	public UIScrollPane getScrollPane() {
+		return scrollPane;
 	}
 
 	/**

designer-realize/src/main/java/com/fr/design/webattr/WebSettingPane.java

@@ -1,6 +1,7 @@
 package com.fr.design.webattr;
 
 import com.fine.theme.utils.FineUIScale;
+import com.fine.theme.utils.FineUIUtils;
 import com.formdev.flatlaf.util.ScaledEmptyBorder;
 import com.fr.design.beans.BasicBeanPane;
 import com.fr.design.border.FineBorderFactory;
@@ -62,6 +63,7 @@ public abstract class WebSettingPane<T extends WebContent> extends BasicBeanPane
 		//事件设置
 		JPanel eventPanel = new JPanel(new BorderLayout());
 		eventPane = new EventPane(getEventNames());
+		eventPane.setPreferredSize(new Dimension(super.getPreferredSize().width, FineUIScale.scale(180)));
 		UILabel label = new UILabel(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Event_Set"));
 		wrapBoldLabelWithUnderline(label);
 		eventPanel.add(column(LayoutConstants.VGAP_SMALL, cell(label), cell(eventPane)).getComponent());
@@ -94,7 +96,13 @@ public abstract class WebSettingPane<T extends WebContent> extends BasicBeanPane
 			).getComponent());
 		}
 		this.setLayout(new BorderLayout());
-		this.add(new UIScrollPane(panel));
+		UIScrollPane parentScrollPane = new UIScrollPane(panel);
+		this.add(parentScrollPane);
+		// 存在子区域也是滚动面板，需要处理滚动事件传递给父面板
+		UIScrollPane buttonTablePane = dragToolBarPane.getScrollPane();
+		buttonTablePane.addMouseWheelListener(e -> FineUIUtils.handleChildScrollEvent(buttonTablePane.getVerticalScrollBar(), parentScrollPane.getVerticalScrollBar(), e.getWheelRotation()));
+		UIScrollPane eventList = eventPane.getScrollPane();
+		eventList.addMouseWheelListener(e -> FineUIUtils.handleChildScrollEvent(eventList.getVerticalScrollBar(), parentScrollPane.getVerticalScrollBar(), e.getWheelRotation()));
 	}
 
 	ItemListener itemListener = new ItemListener() {