/
App.kt
163 lines (152 loc) · 4.62 KB
/
App.kt
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package example
import java.awt.*
import java.awt.geom.AffineTransform
import java.awt.image.BufferedImage
import javax.swing.*
import javax.swing.border.MatteBorder
import javax.swing.table.DefaultTableModel
import javax.swing.table.TableCellRenderer
fun makeUI(): Component {
val columnNames = arrayOf("", "Boolean1", "Boolean2", "Boolean3", "Boolean4")
val data = arrayOf(
arrayOf("aaa", true, true, false, true),
arrayOf("bbb", false, false, false, true),
arrayOf("ccc", false, true, false, true),
)
val model = object : DefaultTableModel(data, columnNames) {
override fun getColumnClass(column: Int) = getValueAt(0, column).javaClass
}
val size = 32
val table = object : JTable(model) {
override fun updateUI() {
super.updateUI()
setRowHeight(size)
val hr = VerticalTableHeaderRenderer()
val cm = getColumnModel()
cm.getColumn(0).headerRenderer = DiagonallySplitHeaderRenderer()
cm.getColumn(0).preferredWidth = size * 5
for (i in 1 until cm.columnCount) {
val tc = cm.getColumn(i)
tc.headerRenderer = hr
tc.preferredWidth = size
}
}
}
table.autoResizeMode = JTable.AUTO_RESIZE_OFF
val scroll = JScrollPane(table)
scroll.columnHeader = object : JViewport() {
override fun getPreferredSize(): Dimension {
val d = super.getPreferredSize()
d.height = size * 2
return d
}
}
return JPanel(BorderLayout()).also {
it.add(scroll)
it.preferredSize = Dimension(320, 240)
}
}
private class DiagonallySplitBorder(
top: Int,
left: Int,
bottom: Int,
right: Int,
matteColor: Color,
) : MatteBorder(top, left, bottom, right, matteColor) {
override fun paintBorder(
c: Component,
g: Graphics,
x: Int,
y: Int,
width: Int,
height: Int,
) {
super.paintBorder(c, g, x, y, width, height)
val g2 = g.create() as? Graphics2D ?: return
g2.translate(x, y)
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)
g2.paint = matteColor
g2.drawLine(0, 0, c.width - 1, c.height - 1)
g2.dispose()
}
}
private class DiagonallySplitHeaderRenderer : TableCellRenderer {
private val panel = JPanel(BorderLayout())
private val trl = JLabel("TOP-RIGHT", null, SwingConstants.RIGHT)
private val bll = JLabel("BOTTOM-LEFT", null, SwingConstants.LEFT)
private val splitBorder = DiagonallySplitBorder(0, 0, 1, 1, Color.GRAY)
override fun getTableCellRendererComponent(
table: JTable,
value: Any?,
isSelected: Boolean,
hasFocus: Boolean,
row: Int,
column: Int,
): Component {
trl.border = BorderFactory.createEmptyBorder(8, 0, 0, 4)
bll.border = BorderFactory.createEmptyBorder(0, 4, 8, 0)
panel.isOpaque = true
panel.background = Color.WHITE
panel.border = splitBorder
panel.add(trl, BorderLayout.NORTH)
panel.add(bll, BorderLayout.SOUTH)
return panel
}
}
private class VerticalTableHeaderRenderer : TableCellRenderer {
private val intermediate = JPanel()
private val label = JLabel("", null, SwingConstants.LEADING)
override fun getTableCellRendererComponent(
table: JTable,
value: Any?,
isSelected: Boolean,
hasFocus: Boolean,
row: Int,
column: Int,
): Component {
val r = table.tableHeader.defaultRenderer
val c = r.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column)
if (c is JLabel) {
label.text = c.text
label.horizontalTextPosition = SwingConstants.LEFT
label.border = BorderFactory.createEmptyBorder(0, 2, 0, 2)
c.horizontalAlignment = SwingConstants.CENTER
c.border = BorderFactory.createMatteBorder(0, 0, 1, 1, Color.GRAY)
c.icon = makeVerticalHeaderIcon(label)
c.text = null
}
return c
}
private fun makeVerticalHeaderIcon(c: Component): Icon {
val d = c.preferredSize
val w = d.height
val h = d.width
val bi = BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB)
val g2 = bi.graphics
if (g2 is Graphics2D) {
val at = AffineTransform.getTranslateInstance(0.0, h.toDouble())
at.quadrantRotate(-1)
g2.transform = at
SwingUtilities.paintComponent(g2, c, intermediate, 0, 0, h, w)
}
g2.dispose()
return ImageIcon(bi)
}
}
fun main() {
EventQueue.invokeLater {
runCatching {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName())
}.onFailure {
it.printStackTrace()
Toolkit.getDefaultToolkit().beep()
}
JFrame().apply {
defaultCloseOperation = WindowConstants.EXIT_ON_CLOSE
contentPane.add(makeUI())
pack()
setLocationRelativeTo(null)
isVisible = true
}
}
}