package jp.ymir.taskReporter.ui
import java.awt.Dimension
import java.io._
import javax.swing.JOptionPane
import javax.swing.KeyStroke
import javax.swing.event.MenuListener
import javax.swing.event.MenuEvent
import jp.ymir.taskReporter._
import jp.ymir.taskReporter.core._
import scala.swing._
import scala.swing.event._

class MainFrame(reportFile: Option[File]) extends Frame {
  private val reportSet: ReportSet = new ReportSet(reportFile)

  title = "Task Reporter" + Main.getVersion

  // FIXME: Provide a way to configure this.
  size = new Dimension(640, 480)
  centerOnScreen

  override def closeOperation {
    if (dirty) {
      val r = JOptionPane.showConfirmDialog(
        peer,
        "The report file \"" + reportSet.file.get.getName + "\" has been modified.\n" +
          "Do you want to save it before closing?",
        "Confirmation",
        JOptionPane.YES_NO_CANCEL_OPTION);

      r match {
        case JOptionPane.YES_OPTION =>
          // FIXME
          dispose
        case JOptionPane.NO_OPTION =>
          dispose
        case _ =>
      }
    }
    else {
      dispose
    }
  }

  def dirty : Boolean = {
    return reportSet.dirty
  }

  menuBar = new MenuBar {
    contents += new Menu("File") {
      mnemonic = Key.F

      contents += new MenuItem(new Action("Open...") {
        accelerator = Some(KeyStroke.getKeyStroke("control O"))
        def apply {
          // FIXME
        }
      })

      val save = new MenuItem(new Action("Save") {
        accelerator = Some(KeyStroke.getKeyStroke("control S"));
        def apply {
          // FIXME
        }
      })
      contents += save
      peer.addMenuListener(new MenuListener {
        def menuSelected(e: MenuEvent) {
          save.enabled = dirty
          save.text    =
            if (reportSet.file.isEmpty)
              "Save..."
            else
              "Save"
        }
        def menuDeselected(e: MenuEvent) {}
        def menuCanceled(e: MenuEvent) {}
      })
    }
  }

  visible = true
}