/**
*
*/
package org.locationtech.udig.style.sld.editor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.geotools.brewer.color.BrewerPalette;
import org.geotools.brewer.color.PaletteSuitability;
final class BrewerPaletteViewerFilter extends ViewerFilter {
/**
*
*/
private final StyleThemePage styleThemePage;
/**
* @param styleThemePage
*/
BrewerPaletteViewerFilter(StyleThemePage styleThemePage) {
this.styleThemePage = styleThemePage;
}
@Override
public boolean select( Viewer viewer, Object parentElement, Object element ) {
if (element instanceof BrewerPalette) {
BrewerPalette pal = (BrewerPalette) element;
int numClasses = new Integer(this.styleThemePage.getCombo(StyleThemePage.COMBO_CLASSES).getText()).intValue();
int maxColors = pal.getMaxColors();
if (maxColors!=-1 && maxColors < numClasses) {
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_COLORBLIND).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_COLORBLIND) != PaletteSuitability.QUALITY_GOOD)
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_CRT).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_CRT) != PaletteSuitability.QUALITY_GOOD)
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_LCD).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_LCD) != PaletteSuitability.QUALITY_GOOD)
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_PHOTOCOPY).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_PHOTOCOPY) != PaletteSuitability.QUALITY_GOOD)
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_PRINT).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_PRINT) != PaletteSuitability.QUALITY_GOOD)
return false;
}
if (this.styleThemePage.getButton(StyleThemePage.BUTTON_PROJECTOR).getSelection()) {
if (pal.getPaletteSuitability().getSuitability(numClasses, PaletteSuitability.VIEWER_PROJECTOR) != PaletteSuitability.QUALITY_GOOD)
return false;
}
}
return true;
}
}