NatTable/src/org/eclipse/nebula/widgets/nattable/renderer/javafx/layer/CellLayerRenderer.xtend

package org.eclipse.nebula.widgets.nattable.renderer.javafx.layer

import javafx.scene.canvas.Canvas
import org.eclipse.nebula.widgets.nattable.core.layer.Layer
import org.eclipse.nebula.widgets.nattable.core.layer.cell.LayerCell
import org.eclipse.nebula.widgets.nattable.renderer.javafx.layer.cell.DefaultLayerCellRenderer

import static extension org.eclipse.nebula.widgets.nattable.core.layer.LayerInvariants.*
import static extension org.eclipse.nebula.widgets.nattable.core.layer.cell.LayerCellInvariants.*
import static extension org.eclipse.nebula.widgets.nattable.renderer.javafx.geometry.GeometryConversions.*

class CellLayerRenderer implements LayerRenderer {

	val layerCellRenderer = new DefaultLayerCellRenderer

	override renderLayer(Layer layer, Canvas canvas) {
		canvas.graphicsContext2D.clearRect(0, 0, canvas.boundsInLocal.width, canvas.boundsInLocal.height)

		for (columnPosition : 0 ..< layer.columnCount)
			for (rowPosition : 0 ..< layer.rowCount) {
				val cell = layer.getCell(columnPosition, rowPosition)
				
				layerCellRenderer.renderLayerCell(cell, canvas, cell.getPaintRegion)
			}
	}
	
	protected def getPaintRegion(LayerCell cell) {
		cell.pixelBounds.toJavaFXRectangle
	}

}