Leo.Qin
6 months ago
8 changed files with 394 additions and 102 deletions
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package com.fine.theme.light.ui; |
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import com.fine.theme.utils.FineUIUtils; |
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import com.fr.design.style.background.gradient.GradientBar; |
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import com.fr.design.style.background.gradient.SelectColorPointBtn; |
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import com.fr.stable.AssistUtils; |
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import com.fr.stable.os.OperatingSystem; |
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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 java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.LinearGradientPaint; |
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import java.awt.RenderingHints; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.MouseMotionAdapter; |
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import java.awt.geom.Path2D; |
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import java.awt.geom.Point2D; |
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import java.util.Collections; |
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import java.util.List; |
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/** |
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* 渐变色滑块 UI类 |
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* |
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* @author Leo.Qin |
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* @since 11.0 |
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* Created on 2023/12/19 |
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*/ |
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public class FineGradientBarUI extends ComponentUI { |
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private int directionalShapeSize; |
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private int recHeight; |
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private int width; |
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private int height; |
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private int borderWidth; |
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private Color borderColor; |
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private Color thumbBorderColor; |
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private Color hoverThumbColor; |
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private Color pressedThumbColor; |
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private MouseMotionAdapter mouseMotionListener; |
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GradientBar gradientBar; |
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private List<SelectColorPointBtn> list; |
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private SelectColorPointBtn p1; |
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private SelectColorPointBtn p2; |
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private MouseListener mouseListener; |
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private double offset = 0.0001; |
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boolean[] hoverStatus; |
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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 UI |
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*/ |
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public static ComponentUI createUI(JComponent c) { |
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return new FineGradientBarUI(); |
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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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installDefaults(c); |
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gradientBar = (GradientBar) c; |
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list = gradientBar.getList(); |
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p1 = gradientBar.getSelectColorPointBtnP1(); |
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p2 = gradientBar.getSelectColorPointBtnP2(); |
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hoverStatus = new boolean[list.size()]; |
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mouseMotionListener = new TrackMotionListener(); |
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mouseListener = new TrackMouseListener(); |
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gradientBar.addMouseMotionListener(mouseMotionListener); |
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gradientBar.addMouseListener(mouseListener); |
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} |
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private void installDefaults(JComponent c) { |
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directionalShapeSize = FineUIUtils.getAndScaleInt("GradientBar.thumbWidth", 12); |
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recHeight = FineUIUtils.getAndScaleInt("GradientBar.recHeight", 30); |
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width = FineUIUtils.getAndScaleInt("GradientBar.recWidth", 160); |
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height = recHeight + directionalShapeSize; |
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borderWidth = FineUIUtils.getAndScaleInt("GradientBar.borderWidth", 1); |
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borderColor = UIManager.getColor("GradientBar.borderColor"); |
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thumbBorderColor = UIManager.getColor("GradientBar.thumbBorderColor"); |
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hoverThumbColor = UIManager.getColor("GradientBar.hoverThumbColor"); |
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pressedThumbColor = UIManager.getColor("GradientBar.pressedThumbColor"); |
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} |
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private class TrackMouseListener extends MouseAdapter { |
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@Override |
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public void mouseExited(MouseEvent e) { |
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for (int i = 0; i < list.size(); i++) { |
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SelectColorPointBtn selectColorPointBtn = list.get(i); |
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selectColorPointBtn.setHover(false); |
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hoverStatus[i] = false; |
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} |
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gradientBar.repaint(); |
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} |
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@Override |
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public void mouseEntered(MouseEvent e) { |
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checkHoverStatus(e); |
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} |
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@Override |
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public void mousePressed(MouseEvent e) { |
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for (SelectColorPointBtn btn : list) { |
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boolean hover = isOverBtn(e, btn); |
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btn.setPressed(hover); |
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} |
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gradientBar.repaint(); |
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} |
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@Override |
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public void mouseReleased(MouseEvent e) { |
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for (SelectColorPointBtn btn : list) { |
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btn.setPressed(false); |
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} |
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gradientBar.repaint(); |
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} |
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} |
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private class TrackMotionListener extends MouseMotionAdapter { |
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int index; |
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@Override |
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public void mouseDragged(MouseEvent e) { |
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if (!gradientBar.isDraggable()) { |
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return; |
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} |
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index = getSelectedIndex(e, index); |
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int halfSize = directionalShapeSize / 2; |
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boolean x = e.getX() <= gradientBar.getWidth() - halfSize && e.getX() >= halfSize; |
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if (x) { |
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list.get(index).setX(e.getX()); |
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list.get(index).setStartPosition((double) (e.getX() - halfSize) / (gradientBar.getWidth() - directionalShapeSize)); |
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gradientBar.repaint(); |
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} |
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} |
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private int getSelectedIndex(MouseEvent e, int index) { |
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int oldIndex = index; |
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for (int i = 0; i < list.size(); i++) { |
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if (list.get(i).contains(e.getX(), e.getY())) { |
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index = i; |
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break; |
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} |
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} |
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if (OperatingSystem.isLinux() && AssistUtils.equals(oldIndex, index)) { |
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if (Math.abs(p1.getX() - e.getX()) > Math.abs(p2.getX() - e.getX())) { |
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index = 1; |
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} else { |
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index = 0; |
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} |
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} |
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return index; |
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} |
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@Override |
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public void mouseMoved(MouseEvent e) { |
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checkHoverStatus(e); |
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} |
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} |
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private void checkHoverStatus(MouseEvent e) { |
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boolean repaint = false; |
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for (int i = 0; i < list.size(); i++) { |
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SelectColorPointBtn btn = list.get(i); |
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boolean hover = isOverBtn(e, btn); |
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if (hoverStatus[i] != hover) { |
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repaint = true; |
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hoverStatus[i] = hover; |
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btn.setHover(hover); |
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} |
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} |
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if (repaint) { |
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gradientBar.repaint(); |
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} |
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} |
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private boolean isOverBtn(MouseEvent e, SelectColorPointBtn btn) { |
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return btn.contains(e.getX(), e.getY()); |
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} |
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@Override |
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public void paint(Graphics g, JComponent c) { |
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Graphics2D g2 = (Graphics2D) g; |
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE); |
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GradientBar component = (GradientBar) c; |
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List<SelectColorPointBtn> btnList = component.getList(); |
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Collections.sort(btnList); |
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paintBorder(g2, component); |
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paintContent(g2, component); |
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paintButton(g2, btnList); |
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} |
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/** |
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* 实际绘制区域x范围（directionalShapeSize / 2, width - directionalShapeSize) |
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*/ |
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private void paintContent(Graphics2D g2d, GradientBar c) { |
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List<SelectColorPointBtn> btnList = c.getList(); |
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int halfSize = directionalShapeSize / 2; |
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Point2D start = new Point2D.Float(halfSize, 0); |
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Point2D end = new Point2D.Float(c.getWidth() - halfSize, 0); |
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Collections.sort(btnList); |
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Color[] colors = new Color[btnList.size()]; |
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for (int i = 0; i < btnList.size(); i++) { |
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colors[i] = btnList.get(i).getColorInner(); |
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} |
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float[] dist = new float[btnList.size()]; |
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for (int i = 0; i < btnList.size(); i++) { |
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if (btnList.get(i).getStartPosition() < 0) { |
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dist[i] = 0; |
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} else if (btnList.get(i).getStartPosition() > 1) { |
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dist[i] = 1; |
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} else { |
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dist[i] = (float) btnList.get(i).getStartPosition(); |
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} |
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btnList.get(i).setX(dist[i] * (c.getWidth() - directionalShapeSize) + (double) directionalShapeSize / 2); |
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} |
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float dist1 = dist[btnList.size() - 1]; |
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float dist2 = dist[btnList.size() - 2]; |
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if (AssistUtils.equals(dist1, dist2)) { |
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dist[btnList.size() - 1] = (float) (dist2 + offset); |
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} |
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LinearGradientPaint paint = new LinearGradientPaint(start, end, dist, colors); |
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g2d.setPaint(paint); |
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g2d.fillRect(halfSize + borderWidth, borderWidth, c.getWidth() - directionalShapeSize - borderWidth * 2, recHeight - borderWidth * 2); |
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} |
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private void paintBorder(Graphics2D g2d, GradientBar c) { |
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int halfSize = directionalShapeSize / 2; |
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if (borderColor == null) { |
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return; |
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} |
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g2d.setColor(borderColor); |
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g2d.fillRect(halfSize, 0, c.getWidth() - directionalShapeSize, recHeight); |
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} |
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private void paintButton(Graphics2D g2d, List<SelectColorPointBtn> list) { |
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for (SelectColorPointBtn selectColorPointBtn : list) { |
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Path2D directionalThumbShape = FineSliderUI.createDirectionalThumbShape((float) selectColorPointBtn.getX() - (float) directionalShapeSize / 2, (float) selectColorPointBtn.getY(), directionalShapeSize, directionalShapeSize, 0); |
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if (selectColorPointBtn.isHover() && hoverThumbColor != null) { |
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g2d.setColor(hoverThumbColor); |
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g2d.fill(directionalThumbShape); |
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} else if (selectColorPointBtn.isPressed() && pressedThumbColor != null) { |
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g2d.setColor(pressedThumbColor); |
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g2d.fill(directionalThumbShape); |
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} else if (thumbBorderColor != null) { |
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g2d.setColor(thumbBorderColor); |
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g2d.fill(directionalThumbShape); |
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} |
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selectColorPointBtn.updatePath(directionalThumbShape); |
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Path2D innerThumbShape = FineSliderUI.createDirectionalThumbShape((float) selectColorPointBtn.getX() - (float) directionalShapeSize / 2 + borderWidth, (float) selectColorPointBtn.getY() + borderWidth, directionalShapeSize - borderWidth * 2, directionalShapeSize - borderWidth * 2, 0); |
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g2d.setColor(selectColorPointBtn.getColorInner()); |
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g2d.fill(innerThumbShape); |
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} |
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} |
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@Override |
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public Dimension getPreferredSize(JComponent c) { |
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return new Dimension(width, height); |
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} |
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} |
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