Added PlayerInput API

src/main/kotlin/net/axay/kspigot/chat/input/PlayerInput.kt

@@ -0,0 +1,120 @@
+package net.axay.kspigot.chat.input
+
+import net.axay.kspigot.chat.KColors
+import net.axay.kspigot.event.listen
+import net.axay.kspigot.event.unregister
+import net.axay.kspigot.extensions.bukkit.closeForViewers
+import net.axay.kspigot.items.itemStack
+import net.axay.kspigot.items.meta
+import net.axay.kspigot.items.name
+import net.axay.kspigot.main.KSpigotMainInstance
+import net.axay.kspigot.runnables.taskRunLater
+import net.wesjd.anvilgui.AnvilGUI
+import org.bukkit.Material
+import org.bukkit.entity.Player
+import org.bukkit.event.Listener
+import org.bukkit.event.inventory.InventoryClickEvent
+import org.bukkit.event.player.AsyncPlayerChatEvent
+
+fun Player.awaitChatInput(timeoutSeconds: Int = 1 * 60, callback: (String?) -> Unit) {
+    PlayerInputChat(this, callback, timeoutSeconds)
+}
+
+fun Player.awaitAnvilInput(
+    timeoutSeconds: Int = 1 * 60,
+    invTitle: String = "${KColors.ORANGERED}Type your input!",
+    startText: String = "${KColors.ORANGERED}RENAME ME",
+    renameItemDescription: List<String> = listOf(
+        "${KColors.INDIANRED}Rename this item to",
+        "${KColors.INDIANRED}submit your input!"
+    ),
+    callback: (String?) -> Unit
+) {
+    PlayerInputAnvilInv(this, callback, timeoutSeconds, invTitle, startText, renameItemDescription)
+}
+
+internal abstract class PlayerInput(
+    protected val player: Player,
+    private val callback: (String?) -> Unit,
+    timeoutSeconds: Int
+) {
+
+    private var received = false
+
+    protected abstract val inputListeners: List<Listener>
+
+    protected fun onReceive(input: String?) {
+        if (!received) {
+            inputListeners.forEach { it.unregister() }
+            received = true
+            callback.invoke(input)
+        }
+    }
+
+    open fun onTimeout() {}
+
+    init {
+        taskRunLater(delay = (20 * timeoutSeconds).toLong()) {
+            onReceive(null)
+        }
+    }
+
+}
+
+internal class PlayerInputChat(
+    player: Player,
+    callback: (String?) -> Unit,
+    timeoutSeconds: Int
+) : PlayerInput(player, callback, timeoutSeconds) {
+
+    override val inputListeners = listOf(
+        listen<AsyncPlayerChatEvent> {
+            it.isCancelled = true
+            onReceive(it.message)
+        }
+    )
+
+}
+
+internal class PlayerInputAnvilInv(
+    player: Player,
+    callback: (String?) -> Unit,
+    timeoutSeconds: Int,
+    invTitle: String,
+    startText: String,
+    renameItemDescription: List<String>
+) : PlayerInput(player, callback, timeoutSeconds) {
+
+    private val anvilInv =
+        AnvilGUI.Builder().plugin(KSpigotMainInstance)
+            .onClose { onReceive(null) }
+            .onComplete { _, text ->
+                if (text.isNotEmpty()) {
+                    onReceive(text)
+                    AnvilGUI.Response.close()
+                } else
+                    AnvilGUI.Response.text("Type here...")
+            }
+            .title(invTitle)
+            .item(
+                itemStack(Material.PAPER) {
+                    meta {
+                        lore = renameItemDescription
+                    }
+                }
+            )
+            .text(startText)
+            .open(player)
+
+    override val inputListeners = listOf(
+        listen<InventoryClickEvent> {
+            if (it.clickedInventory == anvilInv.inventory)
+                it.isCancelled = true
+        }
+    )
+
+    override fun onTimeout() {
+        anvilInv.inventory.closeForViewers()
+    }
+
+}