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• morechart-chart_2.10
• 0.1.3
• source code
• ZoomableChartPanel.scala

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morechart.chart.ZoomableChartPanel.scala Maven / Gradle / Ivy

package morechart.chart

import java.awt.event. { MouseWheelEvent, MouseWheelListener }

import org.jfree.chart.ChartPanel

/** Extends [[org.jfree.chart.ChartPanel]] with x and y zoom.
 *
 * @author myst3r10n
 */
trait ZoomableChartPanel extends ChartPanel {

  addMouseWheelListener(new MouseWheelListener {

    def mouseWheelMoved(event: MouseWheelEvent) {

      if(event.getUnitsToScroll < 0)
        zoomInBoth(event.getUnitsToScroll, event.getUnitsToScroll)
      else if(event.getUnitsToScroll > 0)
        zoomOutBoth(event.getUnitsToScroll, event.getUnitsToScroll)

    }
  } )
}