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Listen for GUI close #81

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Listen for GUI close #81

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16 changes: 16 additions & 0 deletions src/main/kotlin/gg/flyte/twilight/gui/GUI.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import net.kyori.adventure.text.Component
import org.bukkit.Bukkit
import org.bukkit.entity.Player
import org.bukkit.event.inventory.InventoryClickEvent
import org.bukkit.event.inventory.InventoryCloseEvent
import org.bukkit.event.inventory.InventoryType
import org.bukkit.inventory.ItemStack

Expand All @@ -26,6 +27,7 @@ class GUI(val title: Component, val size: Int, val type: InventoryType, val cont

private val keySlot = mutableMapOf<Char, MutableList<Int>>()
private val slotAction = mutableMapOf<Int, InventoryClickEvent.() -> Unit>()
private val onClose = mutableListOf<InventoryCloseEvent.() -> Unit>()

lateinit var viewer: Player

Expand All @@ -35,6 +37,12 @@ class GUI(val title: Component, val size: Int, val type: InventoryType, val cont
slotAction[slot]?.invoke(this)
}

private val closeEvent = event<InventoryCloseEvent> {
if (inventory != [email protected]) return@event
onClose.forEach { it.invoke(this) }
remove()
}

fun pattern(vararg pattern: String) {
for ((index, value) in pattern.joinToString("").withIndex()) {
keySlot.getOrPut(value) { mutableListOf() }.add(index)
Expand All @@ -48,6 +56,13 @@ class GUI(val title: Component, val size: Int, val type: InventoryType, val cont
slotAction[-1] = action
}

/**
* Set the action to be executed when the inventory is closed
*/
fun onClose(action: InventoryCloseEvent.() -> Unit) {
onClose.add(action)
}

@JvmName("setSlot")
fun set(slot: Int, item: ItemStack, action: InventoryClickEvent.() -> Unit = {}) {
inventory.setItem(slot, item)
Expand All @@ -74,6 +89,7 @@ class GUI(val title: Component, val size: Int, val type: InventoryType, val cont
slotAction.clear()
inventory.clear()
clickEvent.unregister()
closeEvent.unregister()
}

companion object {
Expand Down