CHART-20373 gradientBar继承Jpanel之后重绘有问题

3 years ago · 47ec2f3b47
2 changed files with 244 additions and 2 deletions
--- a/designer-base/src/main/java/com/fr/design/style/background/gradient/AbstractComponentPopBox.java
+++ b/designer-base/src/main/java/com/fr/design/style/background/gradient/AbstractComponentPopBox.java
@ -0,0 +1,243 @@
+package com.fr.design.style.background.gradient;
+
+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;
+import java.awt.Rectangle;
+import java.awt.Toolkit;
+import java.awt.Window;
+import java.awt.event.AWTEventListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+/**
+ * @author Bjorn
+ * @version 10.0
+ * Created by Bjorn on 2021-08-24
+ */
+public abstract class AbstractComponentPopBox extends JComponent {
+
+    protected BackgroundJComponent displayComponent;
+
+    private JWindow selectPopupWindow;
+    private boolean isWindowEventInit = false;
+    private static int GAP = 2;
+    private static int GAP2 = 20;
+
+    private List<ChangeListener> changeListenerList = new ArrayList<ChangeListener>();
+
+    MouseAdapter mouseListener = new MouseAdapter() {
+        public void mousePressed(MouseEvent evt) {
+            showPopupMenu();
+        }
+
+
+    };
+
+    AWTEventListener awt = new AWTEventListener() {
+        public void eventDispatched(AWTEvent event) {
+            if (event instanceof MouseEvent) {
+                MouseEvent evt = (MouseEvent) event;
+                if (evt.getClickCount() > 0) {
+                    mouseClick(evt);
+                }
+            }
+        }
+    };
+
+    protected void showPopupMenu() {
+        if (selectPopupWindow != null && selectPopupWindow.isVisible()) {
+            hidePopupMenu();
+            return;
+        }
+
+        if (!this.isEnabled()) {
+            return;
+        }
+        Toolkit.getDefaultToolkit().addAWTEventListener(awt, AWTEvent.MOUSE_EVENT_MASK);
+
+        selectPopupWindow = this.getControlWindow();
+
+        Point convertPoint = new Point(0, 0);
+
+        // e: 将点(0,0)从ColorSelectionPane的坐标系统转换到屏幕坐标.
+        SwingUtilities.convertPointToScreen(convertPoint, this);
+        int y = convertPoint.y + this.getSize().height;
+        int x = convertPoint.x;
+        int h = y + selectPopupWindow.getHeight();
+        int width = x + selectPopupWindow.getWidth();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        if (h > screenSize.height) {
+            y = y - selectPopupWindow.getHeight() - GAP2;// 超过屏幕高度了
+        }
+
+        if (width > screenSize.width) {
+            x = screenSize.width - selectPopupWindow.getWidth();
+        }
+        selectPopupWindow.setLocation(x, y);
+
+        selectPopupWindow.setVisible(true);
+
+        //wei : 为了点击别的地方下拉颜色窗口消失
+        MouseAdapter parentMouseListener = new MouseAdapter() {
+            public void mousePressed(MouseEvent evt) {
+                mouseClick(evt);
+            }
+        };
+        if (!this.isWindowEventInit && SwingUtilities.getAncestorOfClass(GradientBackgroundPane.class, this) != null) {
+            SwingUtilities.getAncestorOfClass(GradientBackgroundPane.class, this).addMouseListener(parentMouseListener);
+            this.isWindowEventInit = true;
+        }
+    }
+
+    private void mouseClick(MouseEvent evt) {
+        Point point = new Point((int) (evt.getLocationOnScreen().getX()), (int) evt.getLocationOnScreen().getY());
+        Dimension popBoxD = AbstractComponentPopBox.this.getSize();
+        try {
+            Point popBoxP = AbstractComponentPopBox.this.getLocationOnScreen();
+            Dimension popMenuD = this.getControlWindow().getSize();
+            Point popMenuP = this.getControlWindow().getLocation();
+            Rectangle popBoxRect = new Rectangle(popBoxP, popBoxD);
+            Rectangle popMenuRect = new Rectangle(popMenuP, popMenuD);
+            if (!popBoxRect.contains(point) && !popMenuRect.contains(point)) {
+                this.hidePopupMenu();
+            }
+        } catch (Exception ignore) {
+            this.hidePopupMenu();
+        }
+    }
+
+    protected void hidePopupMenu() {
+        if (selectPopupWindow != null) {
+            selectPopupWindow.setVisible(false);
+        }
+
+        selectPopupWindow = null;
+        Toolkit.getDefaultToolkit().removeAWTEventListener(awt);
+    }
+
+    protected JWindow getControlWindow() {
+        //find parent.
+        if (this.selectPopupWindow == null) {
+            Window parentWindow = SwingUtilities.windowForComponent(this);
+            if (parentWindow != null) {
+                this.selectPopupWindow = new AbstractComponentPopBox.SelectControlWindow(parentWindow);
+            }
+
+            selectPopupWindow.addMouseListener(new MouseAdapter() {
+                public void mouseExited(MouseEvent evt) {
+                    int x = evt.getLocationOnScreen().x;
+                    int y = evt.getLocationOnScreen().y;
+
+                    if (selectPopupWindow != null) {
+                        double desValue = 2;
+                        Rectangle rectangle = selectPopupWindow.getBounds();
+                        boolean b1 = x < rectangle.x + desValue || x >= rectangle.x + rectangle.width - desValue;
+                        boolean b2 = y > rectangle.y + rectangle.height - desValue;//避免了鼠标下移刚进入selectPopupWindow的过程中弹出框隐藏,上移移出后由AbstractPopBox的mouseListener处理
+                        if (b1 || b2) {
+                            hidePopupMenu();
+                        }
+                    }
+                }
+            });
+        }
+
+        return selectPopupWindow;
+    }
+
+    /**
+     * 添加事件
+     *
+     * @param changeListener 事件
+     */
+    public void addSelectChangeListener(ChangeListener changeListener) {
+        this.changeListenerList.add(changeListener);
+    }
+
+    /**
+     * 删除事件
+     *
+     * @param changeListener 事件
+     */
+    public void removeSelectChangeListener(ChangeListener changeListener) {
+        this.changeListenerList.remove(changeListener);
+    }
+
+    /**
+     * 响应事件
+     */
+    public void fireChangeListener() {
+        if (!changeListenerList.isEmpty()) {
+            ChangeEvent evt = new ChangeEvent(this);
+            for (int i = 0; i < changeListenerList.size(); i++) {
+                this.changeListenerList.get(i).stateChanged(evt);
+            }
+        }
+    }
+
+    /**
+     * 待说明
+     *
+     * @param background 背景
+     */
+    public void fireDisplayComponent(Background background) {
+        if (displayComponent != null) {
+            displayComponent.setSelfBackground(background);
+        }
+        fireChangeListener();
+        this.repaint();
+    }
+
+    /**
+     * 初始化弹出框的面板
+     *
+     * @param preWidth 宽度
+     * @return 弹出面板
+     */
+    public abstract JPanel initWindowPane(double preWidth);
+
+    private class SelectControlWindow extends JWindow {
+        private static final long serialVersionUID = -5776589767069105911L;
+
+        public SelectControlWindow(Window paranet) {
+            super(paranet);
+            this.initComponents();
+        }
+
+        public void initComponents() {
+            JPanel defaultPane = FRGUIPaneFactory.createBorderLayout_S_Pane();
+            this.setContentPane(defaultPane);
+
+//            defaultPane.setBorder(UIManager.getBorder("PopupMenu.border"));
+
+            if (displayComponent != null) {
+                defaultPane.add(initWindowPane(displayComponent.getPreferredSize().getWidth()));
+            } else {
+                defaultPane.add(initWindowPane(20));
+            }
+            this.pack();
+        }
+
+        @Override
+        public void setVisible(boolean b) {
+            super.setVisible(b);
+            AbstractComponentPopBox.this.repaint();
+        }
+    }
+
+    protected boolean isPopupVisible() {
+        return selectPopupWindow == null ? false : selectPopupWindow.isVisible();
+    }
+}
--- a/designer-base/src/main/java/com/fr/design/style/background/gradient/GradientBar.java
+++ b/designer-base/src/main/java/com/fr/design/style/background/gradient/GradientBar.java
@ -5,7 +5,6 @@ import com.fr.design.event.UIObserver;
 import com.fr.design.event.UIObserverListener;
 import com.fr.design.gui.itextfield.UINumberField;
 import com.fr.design.mainframe.DesignerContext;
-import com.fr.design.style.AbstractPopBox;
 import com.fr.design.style.color.ColorCell;
 import com.fr.design.style.color.ColorSelectDetailPane;
 import com.fr.design.style.color.ColorSelectDialog;
@ -34,7 +33,7 @@ import java.awt.geom.Point2D;
 /**
 * TODO:面板缩放的功能没有考虑（就是尾值过大，导致超过界面显示的情况），原来的那个实现完全是个BUG。要缩放的情况也比较少，就干脆以后弄吧
 */
-public class GradientBar extends AbstractPopBox implements UIObserver, ColorSelectable {
+public class GradientBar extends AbstractComponentPopBox implements UIObserver, ColorSelectable {

    /**
     *