Scala JPanel类代码示例

//设置package包名称以及导入依赖的类
package org.dl4scala.examples.feedforward.anomalydetection

import java.awt.{GridLayout, Image}
import java.awt.image.BufferedImage
import javax.swing.{ImageIcon, JFrame, JLabel, JPanel}

import org.nd4j.linalg.api.ndarray.INDArray

import scala.collection.mutable.ArrayBuffer


class MNISTVisualizer(imageScale: Double, digits: ArrayBuffer[INDArray], title: String, gridWidth: Int) {
  def this(imageScale: Double, digits: ArrayBuffer[INDArray], title: String) = {
    this(imageScale, digits, title, 5)
  }

  def visualize(): Unit = {
    val frame = new JFrame
    frame.setTitle(title)
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
    val panel = new JPanel
    panel.setLayout(new GridLayout(0, gridWidth))
    val list = getComponents
    for (image <- list) {
      panel.add(image)
    }
    frame.add(panel)
    frame.setVisible(true)
    frame.pack()
  }

  def getComponents: ArrayBuffer[JLabel] = {
    val images = new ArrayBuffer[JLabel]()
    for (arr <- digits) {
      val bi = new BufferedImage(28, 28, BufferedImage.TYPE_BYTE_GRAY)
      for(i <- 0 until 784) {
        bi.getRaster.setSample(i % 28, i / 28, 0, (255 * arr.getDouble(i)).asInstanceOf[Int])
      }
      val orig = new ImageIcon(bi)
      val imageScaled = orig.getImage.getScaledInstance((imageScale * 28).asInstanceOf[Int],
        (imageScale * 28).asInstanceOf[Int], Image.SCALE_REPLICATE)
      val scaled = new ImageIcon(imageScaled)
      images.append(new JLabel(scaled))
    }
    images
  }
} 

//设置package包名称以及导入依赖的类
package ui.premiseView

import java.awt.BorderLayout
import javax.swing.{JPanel, JTabbedPane}

import compiler.Parser


class ResultPanel(expression: String) extends JPanel {
  private val tokens = Parser.tokenizer(expression)
  private val ast = Parser.generateAST(tokens)

  private val tabbedPane = new JTabbedPane

  private val graphPanel = new GraphTab(ast, tokens)
  private val tokensPanel = new TokensTab(tokens)
  private val truthTablePanel = new TruthTableTab(ast, tokens)

  start

  private def start = {
    setLayout(new BorderLayout())
    tabbedPane.add("Expression Graph", graphPanel)
    tabbedPane.add("Expression Tokens", tokensPanel)
    tabbedPane.add("Truth Table", truthTablePanel)
    this.add(tabbedPane, BorderLayout.CENTER)
  }
} 

//设置package包名称以及导入依赖的类
package ui.premiseView

import java.awt.{BorderLayout, FlowLayout}
import javax.swing.table.AbstractTableModel
import javax.swing.{JLabel, JPanel, JScrollPane, JTable}

import structure._


class TokensTab(tokens: List[Token]) extends JPanel {
  private val statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT))

  start
  draw

  private def start = {
    setLayout(new BorderLayout())
  }

  private def draw: Unit = {

    val dataModel = new AbstractTableModel() {
      private val _tokens = tokens

      override def getColumnName(i: Int): String = {
        i match {
          case 0 => "Category"
          case 1 => "Value"
        }
      }

      def getColumnCount: Int = 2
      def getRowCount: Int = _tokens.size
      def getValueAt(row: Int, col: Int): Object = {
        col match {
          case 0 => _tokens.lift(row).get.category
          case 1 => _tokens.lift(row).get.value
        }
      }
    }

    val table = new JTable(dataModel)
    add(new JScrollPane(table), BorderLayout.CENTER)
    statusBar.add(new JLabel(s"Total: ${tokens.size}"))
    add(statusBar, BorderLayout.SOUTH)
  }
} 

//设置package包名称以及导入依赖的类
import java.awt.Color
import javax.swing.{JFrame, JPanel, WindowConstants}

import org.math.plot._

object Scatter3D {
  def loadDataFromCSV(csvPath: String): JPanel = {
    val data = scala.io.Source.fromFile(csvPath).getLines().map(_.split(",").map(_.trim.toDouble).toSeq)
    val (x, y, z) = (data map {
      case Seq(x_, y_, z_) => (x_, y_, z_)
    }).toArray.unzip3
    val colors = z map (x => new Color(Color.HSBtoRGB(x.toFloat, 1.0f, 0.5f)))
    val plot = new Plot3DPanel()
    plot.addScatterPlot("Fractal in 3D", colors, x, y, z)
    plot
  }

  def main(args: Array[String]): Unit = {
    val plot = loadDataFromCSV(args.headOption.getOrElse("D:/Programming/Projects/FractalGenerator/output.csv"))
    val frame = new JFrame("Fractal3D")
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE)
    frame.setSize(900, 900)
    frame.setContentPane(plot)
    frame.setVisible(true)
  }
} 

//设置package包名称以及导入依赖的类
package com.ganchurin.view

import java.awt.geom.Rectangle2D
import java.awt.{Color, Graphics2D}
import javax.swing.JPanel

class PointPanel(width: Int, height: Int, cellSize: Int, gridSize: Int) extends JPanel {

  def initRectangles(): Unit = {
    val rectangles = for {
      i <- 0 until width by (cellSize + gridSize)
      j <- 0 until height by (cellSize + gridSize)
    } yield new Rectangle2D.Double(i, j, cellSize, cellSize)
    clearRectangles(rectangles)
  }

  def paintRectangles(rectangles: Seq[Rectangle2D.Double]): Unit = {
    fillRectangles(rectangles, Color.BLACK)
  }

  def clearRectangles(rectangles: Seq[Rectangle2D.Double]): Unit = {
    fillRectangles(rectangles, Color.WHITE)
  }

  private def fillRectangles(rectangles: Seq[Rectangle2D.Double], color: Color) {
    val g = getGraphics
    val g2d = g.asInstanceOf[Graphics2D]
    g2d setColor color
    rectangles foreach g2d.fill
  }
} 

//设置package包名称以及导入依赖的类
import java.awt.BorderLayout
import java.awt.BorderLayout.{CENTER, PAGE_END, PAGE_START}
import javax.swing.JFrame.EXIT_ON_CLOSE
import javax.swing.{JFrame, ImageIcon, JLabel, JPanel, BorderFactory}


class Window extends JFrame with StatusChangeCallback {

  private val instructions = "<html><br>'m' - Exit<br>'z' - Start<br>'x' - Stop<br>'p' - Play/Pause</html>"
  private val icon = new ImageIcon("src/main/resources/mch.png")
  private val lblLogo = new JLabel(icon)
  private val lblStatus = new JLabel("Waiting")
  private val panel = new JPanel()
  private val lblInstructions = new JLabel(instructions)

  setDefaultCloseOperation(EXIT_ON_CLOSE)
  setTitle("MyClickHolder")
  setResizable(false)
  setIconImage(icon.getImage)

  panel.setLayout(new BorderLayout())
  panel.setBorder(BorderFactory.createEmptyBorder(50, 50, 50, 50))
  panel.add(lblLogo, PAGE_START)
  panel.add(lblStatus, CENTER)
  panel.add(lblInstructions, PAGE_END)

  add(panel)

  pack()
  setVisible(true)

  override def statusChanged(status: String): Unit = {
    lblStatus.setText(status)
  }

  override def engineExit(): Unit = {
    System.exit(0)
  }
} 

//设置package包名称以及导入依赖的类
package aug.gui.settings

import java.awt.GridBagConstraints
import javax.swing.{JLabel, JPanel}

class MongoConfigPanel(profileConfigPanel: ProfileConfigPanel) extends GridPanel {

  private val txtWidth = 90
  private val fieldWeight = 6

  val enabledBox = new EnabledBox(profileConfigPanel.setDirty())
  val userField = new RegexTextField("^.{1,60}", txtWidth, () => profileConfigPanel.setDirty())
  val passField = new PasswordField(txtWidth, profileConfigPanel.setDirty())
  val dbField = new RegexTextField("^.{1,60}", txtWidth, () => profileConfigPanel.setDirty())
  val hostField = new RegexTextField("^.{1,100}", txtWidth, () => profileConfigPanel.setDirty())

  c.fill = GridBagConstraints.HORIZONTAL
  margins(bot = 20)
  addToGrid(enabledBox, 0, 0, 1, 1, 2, 1)

  margins()
  addToGrid(new JLabel("user"), 0, 1)
  addToGrid(userField, 1, 1, fieldWeight)
  margins(left = 20)
  addToGrid(new JLabel("password"), 2, 1)
  margins()
  addToGrid(passField, 3, 1, fieldWeight)

  addToGrid(new JLabel("database"), 0, 2)
  addToGrid(dbField, 1, 2, fieldWeight)
  margins(left = 20)
  addToGrid(new JLabel("host"), 2, 2)
  margins()
  addToGrid(hostField, 3, 2, fieldWeight)

  addToGrid(new JPanel(), 0, 3, 100, 100, 4, 1)

  setMargin(10)
} 

//设置package包名称以及导入依赖的类
package aug.gui

import java.awt._
import javax.swing.border.EmptyBorder
import javax.swing.{JPanel, JTabbedPane}

import aug.profile.ProfileConfig
import aug.util.Util
import com.bulenkov.darcula.ui.DarculaTabbedPaneUI

class SystemPanel(mainWindow: MainWindow) extends JPanel with HasHighlight {
  setLayout(new GridLayout(1, 1))

  val textArea = new SplittableTextArea(ProfileConfig(""), this)
  val text: Text = textArea.text

  textArea.setActiveFont(Util.defaultFont)

  add(textArea)

  setBorder(new EmptyBorder(0, 0, 0, 0))
}

class TabbedPane(mainWindow: MainWindow) extends JTabbedPane {

  setUI(new DarculaTabbedPaneUI() {
    override def paintFocusIndicator(g: Graphics, tabPlacement: Int, rects: Array[Rectangle], tabIndex: Int,
                                     iconRect: Rectangle, textRect: Rectangle, isSelected: Boolean): Unit = {}
  })

  def active : Option[ProfilePanel] = {
    val c = getComponentAt(getSelectedIndex)
    c match {
      case panel: ProfilePanel => Some(panel)
      case _ => None
    }
  }

  def addProfile(name: String, profilePanel: ProfilePanel): Unit = {
    addTab(name, profilePanel)
    setSelectedComponent(profilePanel)
  }
} 

//设置package包名称以及导入依赖的类
package aug.gui

import java.awt.event.{ComponentEvent, ComponentListener}
import java.awt.{Component, GridLayout}
import javax.swing.border.EmptyBorder
import javax.swing.{JPanel, SpringLayout}

import aug.profile.{Profile, ProfileConfig}

class ProfilePanel(val mainWindow: MainWindow, val profile: Profile) extends JPanel with HasHighlight {
  private val springLayout = new SpringLayout
  private val container = new JPanel
  container.setLayout(new GridLayout(1, 1))
  val commandLine = new CommandLine(profile)

  setLayout(springLayout)
  add(container)
  add(commandLine)

  setBorder(new EmptyBorder(0, 0, 0, 0))

  springLayout.putConstraint(SpringLayout.WEST, container, 0, SpringLayout.WEST, this)
  springLayout.putConstraint(SpringLayout.NORTH, container, 0, SpringLayout.NORTH, this)
  springLayout.putConstraint(SpringLayout.EAST, container, 0, SpringLayout.EAST, this)

  springLayout.putConstraint(SpringLayout.WEST, commandLine, 0, SpringLayout.WEST, this)
  springLayout.putConstraint(SpringLayout.SOUTH, commandLine, 0, SpringLayout.SOUTH, this)
  springLayout.putConstraint(SpringLayout.EAST, commandLine, 0, SpringLayout.EAST, this)

  springLayout.putConstraint(SpringLayout.SOUTH, container, 0, SpringLayout.NORTH, commandLine)

  def setContents(component: Component): Unit = {
    container.removeAll()
    container.add(component)
    container.revalidate()
  }

  def setProfileConfig(profileConfig: ProfileConfig): Unit = {
    commandLine.setFont(profileConfig.commandLineFont.toFont)
    repaint()
  }

  override def copyText(): Unit = profile.copyText()

  addComponentListener(new ComponentListener {
    override def componentShown(e: ComponentEvent): Unit = commandLine.grabFocus()
    override def componentHidden(e: ComponentEvent): Unit = {}
    override def componentMoved(e: ComponentEvent): Unit = {}
    override def componentResized(e: ComponentEvent): Unit = {}
  })
} 

//设置package包名称以及导入依赖的类
package snake
import scala.swing._
import java.awt.Color
import javax.swing.border._
import javax.swing.JPanel

class Cell extends Panel {
	override lazy val peer: JPanel = new JPanel with SuperMixin {
	override def getMinimumSize = new Dimension(32, 32)
			override def getPreferredSize = new Dimension(32, 32)
			override def getMaximumSize = new Dimension(32, 32)
  }
  //border = new LineBorder(Color.GREEN)
  
  var on: Boolean = false;
  var food: Boolean = false;
  
  setChanges
  def setOnStatus(bool: Boolean) = {
    on = bool
    setChanges
  }
  
  def setFoodStatus(bool: Boolean) = {
    food = bool
    setChanges
  }
  
  def setChanges = {
    if (on) {
      background = Color.BLACK
      
    } else if (food) {
      background = Color.RED
    } else {
      background = Color.WHITE
    }
      this
  }
  
  override def toString(): String = {
    if(on) "X" else "O"
  }
} 

//设置package包名称以及导入依赖的类
package view

import java.awt._
import java.awt.image.BufferedImage
import java.io.{File, IOException}
import javax.imageio.ImageIO
import javax.swing.JPanel

import data.Cfg

case class Animation(var dt: Double) extends JPanel {
  val world = Cfg.world

  def update(): Unit = {
    val ti = System.currentTimeMillis()
    world.advance(dt)
    val elapsed = System.currentTimeMillis() - ti
    val remTime = (dt * 1000).round - elapsed
    if (remTime > 0) Thread.sleep(remTime)
  }

  override def paint(G: Graphics) {
    val canvas = new BufferedImage(Cfg.frameWidth, Cfg.frameHeight, BufferedImage.TYPE_INT_RGB)
    val g = canvas.createGraphics()
    //    g.scale(0.5,0.5)
    g.setColor(Color.BLACK)
    g.setRenderingHint(java.awt.RenderingHints.KEY_ANTIALIASING, java.awt.RenderingHints.VALUE_ANTIALIAS_ON)
    g.fillRect(0, 0, canvas.getWidth, canvas.getHeight)
    world.walls ++ world.orgs foreach (_.draw(g))
//    println("asd")
    g.dispose()
    //  javax.imageio.ImageIO.write(canvas, "png", new java.io.File("drawing.png"))
    G.drawImage(canvas, 0, 0, this)
  }

  def createImage(): BufferedImage = {
    try ImageIO.read(new File("drawing.png")) catch {
      case e: IOException => e.printStackTrace()
    }
    null
  }
}