Scala.use(better,Swing); TabbedPaneDemo

Scala Swing

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Scala.use(better,Swing)


Using Swing Components

TabbedPaneDemo

☞ Java Tutorials Sample Code を Scala で再構成しました

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■ Scala 版

  1: /*
  2:  * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
  3:  * ----------------------------------------
  4:  * Copyleft (c) 2010-2013, KOTSUBU-chan and/or its affiliates.
  5:  */ 
  6: package components
  7: 
  8: // ----------------------------------------
  9: import swing._
 10: object TabbedPaneDemo extends MainFrame {
 11:   val version =          TabbedPaneDemo
 12:     .getClass.getName+": #1.0.01"
 13:   // ----------------------------------------
 14:   title    =    "TabbedPaneDemo"
 15:   contents = new TabbedPaneDemo
 16:   peer.setLocationRelativeTo(null)
 17: }
 18: 
 19: // ----------------------------------------
 20: class TabbedPaneDemo extends GridPanel(1,1) {
 21:   import TabbedPane._
 22:   val tabbedPane: TabbedPane = new TabbedPane() {
 23:     import swing.event._
 24:     pages += new Page(tabbedPane, "Tab 1",
 25:       makeTextPanel("Panel #1"),
 26:       "Does nothing") {
 27:       mnemonic = Key.Key1.id
 28:     }
 29:     pages += new Page(tabbedPane, "Tab 2",
 30:       makeTextPanel("Panel #2"),
 31:       "Does twice as much nothing") {
 32:       mnemonic = Key.Key2.id
 33:     }
 34:     pages += new Page(tabbedPane, "Tab 3",
 35:       makeTextPanel("Panel #3"),
 36:       "Still does nothing") {
 37:       mnemonic = Key.Key3.id
 38:     }
 39:     val panel4 = makeTextPanel(
 40:       "Panel #4 (has a preferred size of 410 x 50).")
 41:     panel4.preferredSize = new Dimension(410, 50)
 42:     pages += new Page(tabbedPane, "Tab 4",
 43:       panel4,
 44:       "Does nothing at all") {
 45:       mnemonic = Key.Key4.id
 46:     }
 47:     val icon = createImageIcon("images/middle.gif")
 48:     0 to pages.length-1 foreach { peer.setIconAt(_, icon) }
 49:     contents += this
 50:     tabLayoutPolicy = Layout.Scroll
 51:   }
 52:   def makeTextPanel(text: String) = new GridPanel(1, 1) {
 53:     contents += new Label(text) {
 54:       horizontalAlignment = Alignment.Center
 55:     }
 56:   }
 57:   import javax.swing.ImageIcon
 58:   def createImageIcon(path: String): ImageIcon = {
 59:     val imgURL = TabbedPaneDemo.getClass.getResource(path)
 60:     if (imgURL != null) {
 61:       new ImageIcon(imgURL)
 62:     } else {
 63:       System.err.println("Couldn't find file: " + path)
 64:       null
 65:     }
 66:   }
 67: }
 68: 
 69: // EOF

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update＊13/03/08 12:59:32