Stonley890
commented
1 year ago I wrote up a fix to WorldPainter/WPGUI/src/main/java/org/pepsoft/worldpainter/tools/Eyedropper.java based on what I could tell. In all honesty, I have no idea if it would work as expected but I'm learning Java and figured it would be a good exercise.
package org.pepsoft.worldpainter.tools;
import org.pepsoft.minecraft.Material;
import org.pepsoft.util.DesktopUtils;
import org.pepsoft.util.IconUtils;
import org.pepsoft.worldpainter.ColourScheme;
import org.pepsoft.worldpainter.Dimension;
import org.pepsoft.worldpainter.Terrain;
import org.pepsoft.worldpainter.WorldPainterView;
import org.pepsoft.worldpainter.biomeschemes.BiomeHelper;
import org.pepsoft.worldpainter.biomeschemes.CustomBiomeManager;
import org.pepsoft.worldpainter.layers.Annotations;
import org.pepsoft.worldpainter.layers.Biome;
import org.pepsoft.worldpainter.layers.Layer;
import org.pepsoft.worldpainter.operations.MouseOrTabletOperation;
import org.pepsoft.worldpainter.selection.SelectionBlock;
import org.pepsoft.worldpainter.selection.SelectionChunk;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.util.Map;
import static org.pepsoft.minecraft.Constants.COLOUR_NAMES;
import static org.pepsoft.minecraft.Material.WOOLS;
import static org.pepsoft.util.IconUtils.createScaledColourIcon;
import static org.pepsoft.util.IconUtils.scaleIcon;
/**
* A one-click operation that shows a list of paints where the user has clicked and allows the user to select one. Once
* the selection is made, one of the methods on the configured {@link SelectionListener callback} is invoked to inform
* the client of the selected paint.
*
* <p>A {@link #setCallback(SelectionListener) callback} <em>must</em> be configured or this operation will throw an
* exception.
*/
public final class Eyedropper extends MouseOrTabletOperation {
public Eyedropper(WorldPainterView view, ColourScheme colourScheme, CustomBiomeManager customBiomeManager) {
super("Eyedropper", "Select a paint from the map", view, "operation.eyedropper");
this.colourScheme = colourScheme;
this.customBiomeManager = customBiomeManager;
}
public SelectionListener getCallback() {
return callback;
}
public void setCallback(SelectionListener callback) {
this.callback = callback;
}
@Override
protected void tick(int x, int y, boolean inverse, boolean first, float dynamicLevel) {
if (! first) {
throw new InternalError("Should never happen");
}
final Dimension dimension = getDimension();
final Terrain terrain = dimension.getTerrainAt(x, y);
final Map<Layer, Integer> layers = dimension.getLayersAt(x, y);
if ((terrain == null) && (layers == null)) {
DesktopUtils.beep();
} else {
// Conscious choice to always show the popup menu, even if there is only one choice, to always give feedback
// to the user as to exactly what value was selected
popupMenu = new JPopupMenu();
if (terrain != null) {
popupMenu.add(new AbstractAction(terrain.getName(), new ImageIcon(terrain.getScaledIcon(16, colourScheme))) {
@Override
public void actionPerformed(ActionEvent e) {
callback.terrainSelected(terrain);
}
});
}
if (layers != null) {
final BiomeHelper biomeHelper = new BiomeHelper(colourScheme, customBiomeManager, dimension.getWorld().getPlatform());
layers.forEach((layer, value) -> {
final String name;
final Icon icon;
if (layer instanceof Biome) {
name = biomeHelper.getBiomeName(value);
icon = biomeHelper.getBiomeIcon(value);
} else if (layer instanceof Annotations) {
final int colourIndex = value - ((value < 8) ? 1 : 0);
name = COLOUR_NAMES[colourIndex] + " Annotations";
icon = createScaledColourIcon(colourScheme.getColour(WOOLS[colourIndex]));
} else if (! layer.discrete) {
name = layer.getName();
icon = new ImageIcon(scaleIcon(layer.getIcon(), 16));
} else if ((layer instanceof SelectionBlock) || (layer instanceof SelectionChunk)) {
name = "Selection";
icon = IconUtils.loadScaledIcon("org/pepsoft/worldpainter/icons/edit_selection.png");
} else {
throw new UnsupportedOperationException("Discrete layer " + layer + " not supported");
}
popupMenu.add(new AbstractAction(name, icon) {
@Override
public void actionPerformed(ActionEvent e) {
callback.layerSelected(layer, value);
}
});
});
}
final WorldPainterView view = getView();
final Point menuCoords = view.worldToView(x, y);
popupMenu.show(view, menuCoords.x, menuCoords.y);
}
}
@Override
protected void deactivate() {
if ((popupMenu != null) && popupMenu.isShowing()) {
popupMenu.setVisible(false);
popupMenu = null;
}
super.deactivate();
}
private final ColourScheme colourScheme;
private final CustomBiomeManager customBiomeManager;
private SelectionListener callback;
private JPopupMenu popupMenu;
/**
* A selection callback that will be notified of the selected value, or if the operation was cancelled.
*/
public interface SelectionListener {
/**
* The user has selected the specified terrain type.
*/
void terrainSelected(Terrain terrain);
/**
* The user has selected the specified layer, which had the specified value at the selected location.
*/
void layerSelected(Layer layer, int value);
/**
* The selection operation has been cancelled.
*
* @param byUser Whether the selection was cancelled by an affirmative action by the user (such as pressing Esc)
* or as a secondary effect (such as selecting a different tool, loading a different dimension,
* etc.)
*/
void selectionCancelled(boolean byUser);
}
}
Captain-Chaos
Exception when attempting to use the Eyedropper on a selection.