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Merge in DESIGN/design from ~BJORN/design:feature/x to feature/x * commit '47ec2f3b47170c0681a47336c54585d6d1793c85': CHART-20373 gradientBar继承Jpanel之后重绘有问题research/11.0
2 changed files with 244 additions and 2 deletions
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package com.fr.design.style.background.gradient; |
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import com.fr.design.layout.FRGUIPaneFactory; |
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import com.fr.design.style.background.BackgroundJComponent; |
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import com.fr.general.Background; |
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import javax.swing.JComponent; |
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import javax.swing.JPanel; |
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import javax.swing.JWindow; |
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import javax.swing.SwingUtilities; |
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import javax.swing.event.ChangeEvent; |
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import javax.swing.event.ChangeListener; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.awt.AWTEvent; |
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import java.awt.Dimension; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.Toolkit; |
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import java.awt.Window; |
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import java.awt.event.AWTEventListener; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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/** |
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* @author Bjorn |
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* @version 10.0 |
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* Created by Bjorn on 2021-08-24 |
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*/ |
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public abstract class AbstractComponentPopBox extends JComponent { |
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protected BackgroundJComponent displayComponent; |
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private JWindow selectPopupWindow; |
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private boolean isWindowEventInit = false; |
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private static int GAP = 2; |
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private static int GAP2 = 20; |
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private List<ChangeListener> changeListenerList = new ArrayList<ChangeListener>(); |
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MouseAdapter mouseListener = new MouseAdapter() { |
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public void mousePressed(MouseEvent evt) { |
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showPopupMenu(); |
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} |
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}; |
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AWTEventListener awt = new AWTEventListener() { |
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public void eventDispatched(AWTEvent event) { |
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if (event instanceof MouseEvent) { |
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MouseEvent evt = (MouseEvent) event; |
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if (evt.getClickCount() > 0) { |
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mouseClick(evt); |
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} |
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} |
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} |
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}; |
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protected void showPopupMenu() { |
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if (selectPopupWindow != null && selectPopupWindow.isVisible()) { |
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hidePopupMenu(); |
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return; |
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} |
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if (!this.isEnabled()) { |
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return; |
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} |
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Toolkit.getDefaultToolkit().addAWTEventListener(awt, AWTEvent.MOUSE_EVENT_MASK); |
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selectPopupWindow = this.getControlWindow(); |
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Point convertPoint = new Point(0, 0); |
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// e: 将点(0,0)从ColorSelectionPane的坐标系统转换到屏幕坐标.
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SwingUtilities.convertPointToScreen(convertPoint, this); |
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int y = convertPoint.y + this.getSize().height; |
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int x = convertPoint.x; |
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int h = y + selectPopupWindow.getHeight(); |
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int width = x + selectPopupWindow.getWidth(); |
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Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); |
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if (h > screenSize.height) { |
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y = y - selectPopupWindow.getHeight() - GAP2;// 超过屏幕高度了
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} |
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if (width > screenSize.width) { |
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x = screenSize.width - selectPopupWindow.getWidth(); |
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} |
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selectPopupWindow.setLocation(x, y); |
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selectPopupWindow.setVisible(true); |
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//wei : 为了点击别的地方下拉颜色窗口消失
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MouseAdapter parentMouseListener = new MouseAdapter() { |
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public void mousePressed(MouseEvent evt) { |
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mouseClick(evt); |
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} |
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}; |
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if (!this.isWindowEventInit && SwingUtilities.getAncestorOfClass(GradientBackgroundPane.class, this) != null) { |
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SwingUtilities.getAncestorOfClass(GradientBackgroundPane.class, this).addMouseListener(parentMouseListener); |
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this.isWindowEventInit = true; |
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} |
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} |
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private void mouseClick(MouseEvent evt) { |
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Point point = new Point((int) (evt.getLocationOnScreen().getX()), (int) evt.getLocationOnScreen().getY()); |
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Dimension popBoxD = AbstractComponentPopBox.this.getSize(); |
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try { |
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Point popBoxP = AbstractComponentPopBox.this.getLocationOnScreen(); |
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Dimension popMenuD = this.getControlWindow().getSize(); |
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Point popMenuP = this.getControlWindow().getLocation(); |
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Rectangle popBoxRect = new Rectangle(popBoxP, popBoxD); |
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Rectangle popMenuRect = new Rectangle(popMenuP, popMenuD); |
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if (!popBoxRect.contains(point) && !popMenuRect.contains(point)) { |
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this.hidePopupMenu(); |
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} |
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} catch (Exception ignore) { |
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this.hidePopupMenu(); |
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} |
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} |
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protected void hidePopupMenu() { |
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if (selectPopupWindow != null) { |
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selectPopupWindow.setVisible(false); |
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} |
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selectPopupWindow = null; |
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Toolkit.getDefaultToolkit().removeAWTEventListener(awt); |
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} |
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protected JWindow getControlWindow() { |
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//find parent.
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if (this.selectPopupWindow == null) { |
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Window parentWindow = SwingUtilities.windowForComponent(this); |
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if (parentWindow != null) { |
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this.selectPopupWindow = new AbstractComponentPopBox.SelectControlWindow(parentWindow); |
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} |
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selectPopupWindow.addMouseListener(new MouseAdapter() { |
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public void mouseExited(MouseEvent evt) { |
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int x = evt.getLocationOnScreen().x; |
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int y = evt.getLocationOnScreen().y; |
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if (selectPopupWindow != null) { |
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double desValue = 2; |
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Rectangle rectangle = selectPopupWindow.getBounds(); |
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boolean b1 = x < rectangle.x + desValue || x >= rectangle.x + rectangle.width - desValue; |
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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
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if (b1 || b2) { |
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hidePopupMenu(); |
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} |
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} |
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} |
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}); |
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} |
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return selectPopupWindow; |
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} |
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/** |
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* 添加事件 |
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* |
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* @param changeListener 事件 |
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*/ |
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public void addSelectChangeListener(ChangeListener changeListener) { |
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this.changeListenerList.add(changeListener); |
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} |
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/** |
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* 删除事件 |
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* |
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* @param changeListener 事件 |
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*/ |
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public void removeSelectChangeListener(ChangeListener changeListener) { |
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this.changeListenerList.remove(changeListener); |
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} |
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/** |
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* 响应事件 |
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*/ |
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public void fireChangeListener() { |
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if (!changeListenerList.isEmpty()) { |
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ChangeEvent evt = new ChangeEvent(this); |
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for (int i = 0; i < changeListenerList.size(); i++) { |
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this.changeListenerList.get(i).stateChanged(evt); |
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} |
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} |
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} |
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/** |
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* 待说明 |
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* |
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* @param background 背景 |
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*/ |
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public void fireDisplayComponent(Background background) { |
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if (displayComponent != null) { |
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displayComponent.setSelfBackground(background); |
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} |
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fireChangeListener(); |
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this.repaint(); |
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} |
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/** |
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* 初始化弹出框的面板 |
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* |
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* @param preWidth 宽度 |
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* @return 弹出面板 |
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*/ |
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public abstract JPanel initWindowPane(double preWidth); |
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private class SelectControlWindow extends JWindow { |
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private static final long serialVersionUID = -5776589767069105911L; |
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public SelectControlWindow(Window paranet) { |
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super(paranet); |
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this.initComponents(); |
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} |
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public void initComponents() { |
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JPanel defaultPane = FRGUIPaneFactory.createBorderLayout_S_Pane(); |
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this.setContentPane(defaultPane); |
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// defaultPane.setBorder(UIManager.getBorder("PopupMenu.border"));
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if (displayComponent != null) { |
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defaultPane.add(initWindowPane(displayComponent.getPreferredSize().getWidth())); |
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} else { |
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defaultPane.add(initWindowPane(20)); |
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} |
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this.pack(); |
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} |
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@Override |
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public void setVisible(boolean b) { |
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super.setVisible(b); |
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AbstractComponentPopBox.this.repaint(); |
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} |
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} |
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protected boolean isPopupVisible() { |
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return selectPopupWindow == null ? false : selectPopupWindow.isVisible(); |
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} |
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} |
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