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package gregtech.api.interfaces;
import java.util.Collections;
import java.util.List;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.item.ItemStack;
import codechicken.nei.NEIClientUtils;
import codechicken.nei.VisiblityData;
import codechicken.nei.api.INEIGuiHandler;
import codechicken.nei.api.TaggedInventoryArea;
import cpw.mods.fml.common.Optional;
import gregtech.api.enums.Mods;
/**
* Implement this interface if your GuiContainer supports Drag-And-Drop behavior on NEI.
*/
@Optional.Interface(modid = Mods.Names.NOT_ENOUGH_ITEMS, iface = "codechicken.nei.api.INEIGuiHandler")
public interface IDragAndDropSupport extends INEIGuiHandler {
/**
* Implement this to handle Drag-And-Drop behavior. This may be invoked on normal click too
* ({@code isGhost==false}), so be careful if your slot supports both Drag-And-Drop and other behaviors e.g. fluid
* I/O with FluidDisplay click
*
* @param gui Current gui instance. Make sure to check if it is an instance of your GuiContainer.
* @param mousex X position of the mouse
* @param mousey Y position of the mouse
* @param draggedStack ItemStack user is holding on cursor
* @param button 0 = left click, 1 = right click
* @param isGhost Whether {@code draggedStack} is dragged from ItemPanel/BookmarkPanel, or actual item player
* holds
* @return True if success
*/
boolean handleDragAndDropGT(GuiContainer gui, int mousex, int mousey, ItemStack draggedStack, int button,
boolean isGhost);
default boolean handleDragNDrop(GuiContainer gui, int mousex, int mousey, ItemStack draggedStack, int button) {
return handleDragAndDropGT(gui, mousex, mousey, draggedStack, button, NEIClientUtils.getHeldItem() == null);
}
default VisiblityData modifyVisiblity(GuiContainer gui, VisiblityData currentVisibility) {
return currentVisibility;
}
default Iterable<Integer> getItemSpawnSlots(GuiContainer gui, ItemStack item) {
return Collections.emptyList();
}
default List<TaggedInventoryArea> getInventoryAreas(GuiContainer gui) {
return null;
}
default boolean hideItemPanelSlot(GuiContainer gui, int x, int y, int w, int h) {
return false;
}
}
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