scala.swing.Slider.scala Maven / Gradle / Ivy
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2007-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.swing
import javax.swing.{JSlider, JLabel}
import event._
/**
* Lets users select a value from a given range. Visually, this is represented
* as a draggable knob on a horizontal or vertical bar.
*
* Fires a ValueChanged event whenever the slider's value changes and
* when the knob is released.
*
* @see javax.swing.JSlider
*/
class Slider extends Component with Orientable.Wrapper with Publisher {
override lazy val peer: JSlider = new JSlider with SuperMixin
def min: Int = peer.getMinimum
def min_=(v: Int) { peer.setMinimum(v) }
def max: Int = peer.getMaximum
def max_=(v: Int) { peer.setMaximum(v) }
def value: Int = peer.getValue
def value_=(v: Int) { peer.setValue(v) }
def extent: Int = peer.getExtent
def extent_=(v: Int) { peer.setExtent(v) }
def paintLabels: Boolean = peer.getPaintLabels
def paintLabels_=(v: Boolean) { peer.setPaintLabels(v) }
def paintTicks: Boolean = peer.getPaintTicks
def paintTicks_=(v: Boolean) { peer.setPaintTicks(v) }
def paintTrack: Boolean = peer.getPaintTrack
def paintTrack_=(v: Boolean) { peer.setPaintTrack(v) }
def snapToTicks: Boolean = peer.getSnapToTicks
def snapToTicks_=(v: Boolean) { peer.setSnapToTicks(v) }
def minorTickSpacing: Int = peer.getMinorTickSpacing
def minorTickSpacing_=(v: Int) { peer.setMinorTickSpacing(v) }
def majorTickSpacing: Int = peer.getMajorTickSpacing
def majorTickSpacing_=(v: Int) { peer.setMajorTickSpacing(v) }
def adjusting = peer.getValueIsAdjusting
def labels: scala.collection.Map[Int, Label] = {
val labelTable = peer.getLabelTable.asInstanceOf[java.util.Hashtable[Int, JLabel]]
new scala.collection.JavaConversions.JMapWrapper(labelTable)
.mapValues(v => UIElement.cachedWrapper[Label](v))
}
def labels_=(l: scala.collection.Map[Int, Label]) {
// TODO: do some lazy wrapping
val table = new java.util.Hashtable[Any, Any]
for ((k,v) <- l) table.put(k, v.peer)
peer.setLabelTable(table)
}
peer.addChangeListener(new javax.swing.event.ChangeListener {
def stateChanged(e: javax.swing.event.ChangeEvent) {
publish(new ValueChanged(Slider.this))
}
})
}