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

package org.eclipse.nebula.widgets.nattable.renderer.swt.layer.impl

import org.eclipse.nebula.widgets.nattable.core.layer.Layer
import org.eclipse.nebula.widgets.nattable.core.layer.cell.Cell
import org.eclipse.nebula.widgets.nattable.renderer.swt.layer.LayerRenderer
import org.eclipse.nebula.widgets.nattable.renderer.swt.layer.cell.impl.DefaultCellRenderer
import org.eclipse.swt.graphics.GC

import static extension org.eclipse.nebula.widgets.nattable.core.layer.LayerInvariants.*
import static extension org.eclipse.nebula.widgets.nattable.core.layer.cell.CellInvariants.*

class CellLayerRenderer implements LayerRenderer {
	
	val cellRenderer = new DefaultCellRenderer

	override renderLayer(Layer layer, GC gc) {
//		gc.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)
				
				cellRenderer.renderCell(cell, gc, cell.getPaintRegion)
			}
	}
	
	protected def getPaintRegion(Cell cell) {
		cell.pixelBounds
	}
	
}