143 lines
3.4 KiB
Java
143 lines
3.4 KiB
Java
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package net.sourceforge.tuned.ui;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Insets;
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import java.awt.geom.Rectangle2D;
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import javax.swing.DefaultListCellRenderer;
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import javax.swing.JList;
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import javax.swing.border.Border;
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import javax.swing.border.CompoundBorder;
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import javax.swing.border.EmptyBorder;
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import javax.swing.border.LineBorder;
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public class FancyListCellRenderer extends DefaultListCellRenderer {
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private Color gradientBeginColor;
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private Color gradientEndColor;
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private GradientStyle gradientStyle;
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private Insets margin;
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private boolean highlightingEnabled;
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private boolean selected;
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private Border border;
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public FancyListCellRenderer() {
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this(GradientStyle.TOP_TO_BOTTOM, true, new Insets(7, 7, 7, 7), new Insets(1, 1, 0, 1), null);
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}
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public FancyListCellRenderer(int padding, Color selectedBorderColor, GradientStyle gradientStyle) {
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this(gradientStyle, false, new Insets(padding, padding, padding, padding), new Insets(0, 0, 0, 0), selectedBorderColor);
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}
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public FancyListCellRenderer(GradientStyle gradientStyle, boolean highlighting, Insets padding, Insets margin, Color selectedBorderColor) {
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this.gradientStyle = gradientStyle;
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this.margin = margin;
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this.highlightingEnabled = highlighting;
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border = new EmptyBorder(padding);
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border = new CompoundBorder(new LineBorder(selectedBorderColor, 1), border);
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border = new CompoundBorder(new EmptyBorder(margin), border);
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setOpaque(false);
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}
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@Override
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protected void paintBorder(Graphics g) {
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if (selected) {
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super.paintBorder(g);
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}
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}
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@Override
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protected void paintComponent(Graphics g) {
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Graphics2D g2d = (Graphics2D) g;
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Rectangle2D shape = new Rectangle2D.Double(margin.left, margin.top, getWidth() - (margin.left + margin.right), getHeight() - (margin.top + margin.bottom));
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if (highlightingEnabled) {
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g2d.setPaint(getBackground());
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g2d.fill(shape);
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}
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if (selected) {
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g2d.setPaint(gradientStyle.getGradientPaint(shape, gradientBeginColor, gradientEndColor));
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g2d.fill(shape);
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}
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super.paintComponent(g);
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}
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@Override
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public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
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super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
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setSelected(isSelected);
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setBorder(border);
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Color sc = list.getSelectionBackground();
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if (highlightingEnabled) {
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Color normalBg = list.getBackground();
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Color highlightBg = new Color(sc.getRed(), sc.getGreen(), sc.getBlue(), 28);
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if ((index % 2) == 0)
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setBackground(highlightBg);
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else
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setBackground(normalBg);
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}
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if (isSelected) {
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setGradientBeginColor(sc.brighter());
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setGradientEndColor(sc);
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}
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return this;
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}
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public void setGradientBeginColor(Color gradientBeginColor) {
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this.gradientBeginColor = gradientBeginColor;
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}
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public void setGradientEndColor(Color gradientEndColor) {
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this.gradientEndColor = gradientEndColor;
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}
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public void setGradientStyle(GradientStyle gradientStyle) {
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this.gradientStyle = gradientStyle;
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}
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public boolean isHighlightingEnabled() {
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return highlightingEnabled;
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}
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public void setHighlightingEnabled(boolean highlightingEnabled) {
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this.highlightingEnabled = highlightingEnabled;
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}
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public void setSelected(boolean selected) {
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this.selected = selected;
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}
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public boolean isSelected() {
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return selected;
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}
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}
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