From d61de8c3834499087054203ca3391ab9a74ebe4c Mon Sep 17 00:00:00 2001
From: Rark7040 <crimera.hello@gmail.com>
Date: Tue, 1 Feb 2022 14:49:42 +0900
Subject: [PATCH] add lib

---
 src/brokiem/snpc/libs/EasyUI/Form.php         | 47 ++++++++++
 .../snpc/libs/EasyUI/element/Button.php       | 53 +++++++++++
 .../snpc/libs/EasyUI/element/Dropdown.php     | 25 +++++
 .../snpc/libs/EasyUI/element/Element.php      | 53 +++++++++++
 .../snpc/libs/EasyUI/element/Input.php        | 47 ++++++++++
 .../snpc/libs/EasyUI/element/Label.php        | 30 ++++++
 .../snpc/libs/EasyUI/element/ModalOption.php  | 31 +++++++
 .../snpc/libs/EasyUI/element/Option.php       | 34 +++++++
 .../snpc/libs/EasyUI/element/Selector.php     | 78 ++++++++++++++++
 .../snpc/libs/EasyUI/element/Slider.php       | 83 +++++++++++++++++
 .../snpc/libs/EasyUI/element/StepSlider.php   | 25 +++++
 .../snpc/libs/EasyUI/element/Toggle.php       | 47 ++++++++++
 .../snpc/libs/EasyUI/icon/ButtonIcon.php      | 41 +++++++++
 .../snpc/libs/EasyUI/utils/Closable.php       | 24 +++++
 .../snpc/libs/EasyUI/utils/CloseListener.php  | 37 ++++++++
 .../snpc/libs/EasyUI/utils/FormResponse.php   | 64 +++++++++++++
 .../snpc/libs/EasyUI/utils/SubmitListener.php | 36 ++++++++
 .../snpc/libs/EasyUI/utils/Submittable.php    | 24 +++++
 .../snpc/libs/EasyUI/variant/CustomForm.php   | 91 +++++++++++++++++++
 .../snpc/libs/EasyUI/variant/ModalForm.php    | 84 +++++++++++++++++
 .../snpc/libs/EasyUI/variant/SimpleForm.php   | 71 +++++++++++++++
 21 files changed, 1025 insertions(+)
 create mode 100644 src/brokiem/snpc/libs/EasyUI/Form.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Button.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Dropdown.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Element.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Input.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Label.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/ModalOption.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Option.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Selector.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Slider.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/StepSlider.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/element/Toggle.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/icon/ButtonIcon.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/utils/Closable.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/utils/CloseListener.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/utils/FormResponse.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/utils/SubmitListener.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/utils/Submittable.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/variant/CustomForm.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/variant/ModalForm.php
 create mode 100644 src/brokiem/snpc/libs/EasyUI/variant/SimpleForm.php

diff --git a/src/brokiem/snpc/libs/EasyUI/Form.php b/src/brokiem/snpc/libs/EasyUI/Form.php
new file mode 100644
index 0000000..e5df5ad
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/Form.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI;
+
+use pocketmine\form\Form as PmForm;
+
+abstract class Form implements PmForm {
+    private string $title;
+
+    public const TYPE_SIMPLE_FORM = "form";
+    public const TYPE_CUSTOM_FORM = "custom_form";
+    public const TYPE_MODAL_FORM = "modal";
+
+    public function __construct(string $title) {
+        $this->title = $title;
+        $this->onCreation();
+    }
+
+    public function getTitle(): string {
+        return $this->title;
+    }
+
+    public function setTitle(string $title): void {
+        $this->title = $title;
+    }
+
+    abstract protected function getType(): string;
+
+    abstract protected function serializeBody(): array;
+
+    public function jsonSerialize(): array {
+        $body = $this->serializeBody();
+        $body["title"] = $this->title;
+        $body["type"] = $this->getType();
+        return $body;
+    }
+
+    protected function onCreation(): void {}
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Button.php b/src/brokiem/snpc/libs/EasyUI/element/Button.php
new file mode 100644
index 0000000..183edbb
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Button.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+use Closure;
+use brokiem\snpc\libs\EasyUI\icon\ButtonIcon;
+use brokiem\snpc\libs\EasyUI\utils\Submittable;
+use JsonSerializable;
+
+class Button implements JsonSerializable {
+    use Submittable;
+
+    private string $text;
+    private ?ButtonIcon $icon;
+
+    public function __construct(string $text, ?ButtonIcon $icon = null, ?Closure $listener = null) {
+        $this->text = $text;
+        $this->icon = $icon;
+        $this->setSubmitListener($listener);
+    }
+
+    public function hasIcon(): bool {
+        return $this->icon !== null;
+    }
+
+    public function getIcon(): ?ButtonIcon {
+        return $this->icon;
+    }
+
+    public function setIcon(?ButtonIcon $icon): void {
+        $this->icon = $icon;
+    }
+
+    public function jsonSerialize(): array {
+        $data = [
+            "text" => $this->text
+        ];
+
+        if($this->hasIcon()) {
+            $data["image"] = $this->icon->jsonSerialize();
+        }
+
+        return $data;
+    }
+}
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Dropdown.php b/src/brokiem/snpc/libs/EasyUI/element/Dropdown.php
new file mode 100644
index 0000000..5e8199f
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Dropdown.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class Dropdown extends Selector {
+
+    public function getType(): string {
+        return Element::TYPE_DROPDOWN;
+    }
+
+    public function serializeBody(): array {
+        return [
+            "options" => $this->getOptionsTexts(),
+            "default" => $this->getDefaultIndex()
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Element.php b/src/brokiem/snpc/libs/EasyUI/element/Element.php
new file mode 100644
index 0000000..355f7fc
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Element.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+use JsonSerializable;
+
+/**
+ * Element is exclusive for the elements of CustomForms
+ */
+abstract class Element implements JsonSerializable {
+
+    private ?string $headerText;
+
+    public const TYPE_DROPDOWN = "dropdown";
+    public const TYPE_INPUT = "input";
+    public const TYPE_LABEL = "label";
+    public const TYPE_SLIDER = "slider";
+    public const TYPE_STEP_SLIDER = "step_slider";
+    public const TYPE_TOGGLE = "toggle";
+
+    public function __construct(?string $headerText) {
+        $this->headerText = $headerText;
+    }
+
+    public function getHeaderText(): ?string {
+        return $this->headerText;
+    }
+
+    public function setHeaderText(?string $headerText): void {
+        $this->headerText = $headerText;
+    }
+
+    abstract public function getType(): string;
+
+    abstract public function serializeBody(): array;
+
+    abstract public function assignResult($result): void;
+
+    public function jsonSerialize(): array {
+        return array_merge($this->serializeBody(), [
+            "type" => $this->getType(),
+            "text" => $this->headerText ?? ""
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Input.php b/src/brokiem/snpc/libs/EasyUI/element/Input.php
new file mode 100644
index 0000000..71fde08
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Input.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+
+class Input extends Element {
+    private ?string $defaultText;
+    private ?string $placeholder;
+    private ?string $submittedText = null;
+
+    public function __construct(?string $headerText, ?string $defaultText = null, ?string $placeholder = null) {
+        $this->defaultText = $defaultText;
+        $this->placeholder = $placeholder;
+        parent::__construct($headerText);
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSubmittedText(): ?string {
+        return $this->submittedText;
+    }
+
+    public function getType(): string {
+        return Element::TYPE_INPUT;
+    }
+
+    public function assignResult($result): void {
+        $this->submittedText = $result;
+    }
+
+    public function serializeBody(): array {
+        return [
+            "default" => $this->defaultText ?? "",
+            "placeholder" => $this->placeholder ?? ""
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Label.php b/src/brokiem/snpc/libs/EasyUI/element/Label.php
new file mode 100644
index 0000000..dd1839f
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Label.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class Label extends Element {
+
+    public function __construct(string $headerText) {
+        parent::__construct($headerText);
+    }
+
+    public function getType(): string {
+        return Element::TYPE_LABEL;
+    }
+
+    public function assignResult($result): void {
+        return;
+    }
+
+    public function serializeBody(): array {
+        return [];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/ModalOption.php b/src/brokiem/snpc/libs/EasyUI/element/ModalOption.php
new file mode 100644
index 0000000..cd1392e
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/ModalOption.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+use brokiem\snpc\libs\EasyUI\utils\Submittable;
+
+class ModalOption {
+    use Submittable;
+
+    private string $text;
+
+    public function __construct(string $text) {
+        $this->text = $text;
+    }
+
+    public function getText(): string {
+        return $this->text;
+    }
+
+    public function setText(string $text): void {
+        $this->text = $text;
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Option.php b/src/brokiem/snpc/libs/EasyUI/element/Option.php
new file mode 100644
index 0000000..9991a0e
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Option.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class Option {
+
+    private string $id;
+    private string $text;
+
+    public function __construct(string $id, string $text) {
+        $this->id = $id;
+        $this->text = $text;
+    }
+
+    public function getId(): string {
+        return $this->id;
+    }
+
+    public function getText(): string {
+        return $this->text;
+    }
+
+    public function setText(string $text): void {
+        $this->text = $text;
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Selector.php b/src/brokiem/snpc/libs/EasyUI/element/Selector.php
new file mode 100644
index 0000000..9de45f4
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Selector.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+use InvalidArgumentException;
+
+abstract class Selector extends Element {
+    private ?string $submittedOptionId = null;
+    private int $defaultIndex = 0;
+    private array $options = [];
+
+    public function getSubmittedOptionId(): ?string {
+        return $this->submittedOptionId;
+    }
+
+    public function getDefaultIndex(): int {
+        return $this->defaultIndex;
+    }
+
+    public function setDefaultIndex(int $defaultIndex): void {
+        $this->defaultIndex = $defaultIndex;
+    }
+
+    /**
+     * @return Option[]
+     */
+    public function getOptions(): array {
+        return $this->options;
+    }
+
+    protected function getOptionsTexts(): array {
+        $texts = [];
+        foreach($this->options as $option) {
+            $texts[] = $option->getText();
+        }
+        return $texts;
+    }
+
+    public function getOption(string $id): ?Option {
+        foreach($this->options as $option) {
+            if($option->getId() === $id) {
+                return $option;
+            }
+        }
+        return null;
+    }
+
+    public function getOptionByIndex(int $index): ?Option {
+        return $this->options[$index] ?? null;
+    }
+
+    public function addOption(Option $option): void {
+        if($this->getOption($option->getId()) !== null) {
+            throw new InvalidArgumentException("There's an option with that name already!");
+        }
+        $this->options[] = $option;
+    }
+
+    public function removeOption(string $id): void {
+        foreach($this->options as $key => $option) {
+            if($option->getId() === $id) {
+                unset($this->options[$key]);
+            }
+        }
+    }
+
+    public function assignResult($result): void {
+        $this->submittedOptionId = $this->getOptionByIndex($result)->getId();
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Slider.php b/src/brokiem/snpc/libs/EasyUI/element/Slider.php
new file mode 100644
index 0000000..ddd2003
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Slider.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class Slider extends Element {
+    private float $minStep;
+    private float $maxStep;
+    private float $defaultStep;
+    private float $stepLength;
+    private ?float $submittedStep = null;
+
+    public function __construct(?string $headerText, float $minStep, float $maxStep, float $defaultStep = 0, float $stepLength = 0) {
+        $this->minStep = $minStep;
+        $this->maxStep = $maxStep;
+        $this->defaultStep = $defaultStep;
+        $this->stepLength = $stepLength;
+        parent::__construct($headerText);
+    }
+
+    /**
+     * @return float|null
+     */
+    public function getSubmittedStep(): ?float {
+        return $this->submittedStep;
+    }
+
+    public function getType(): string {
+        return Element::TYPE_SLIDER;
+    }
+
+    public function getMinStep(): float {
+        return $this->minStep;
+    }
+
+    public function setMinStep(float $minStep): void {
+        $this->minStep = $minStep;
+    }
+
+    public function getMaxStep(): float {
+        return $this->maxStep;
+    }
+
+    public function setMaxStep(float $maxStep): void {
+        $this->maxStep = $maxStep;
+    }
+
+    public function getDefaultStep(): float {
+        return $this->defaultStep;
+    }
+
+    public function setDefaultStep(float $defaultStep): void {
+        $this->defaultStep = $defaultStep;
+    }
+
+    public function getStepLength(): float {
+        return $this->stepLength;
+    }
+
+    public function setStepLength(float $stepLength): void {
+        $this->stepLength = $stepLength;
+    }
+
+    public function assignResult($result): void {
+        $this->submittedStep = $result;
+    }
+
+    public function serializeBody(): array {
+        return [
+            "min" => $this->minStep,
+            "max" => $this->maxStep,
+            "default" => $this->defaultStep,
+            "step" => $this->stepLength
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/StepSlider.php b/src/brokiem/snpc/libs/EasyUI/element/StepSlider.php
new file mode 100644
index 0000000..90b2f18
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/StepSlider.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class StepSlider extends Selector {
+
+    public function getType(): string {
+        return Element::TYPE_STEP_SLIDER;
+    }
+
+    public function serializeBody(): array {
+        return [
+            "steps" => $this->getOptionsTexts(),
+            "default" => $this->getDefaultIndex()
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/element/Toggle.php b/src/brokiem/snpc/libs/EasyUI/element/Toggle.php
new file mode 100644
index 0000000..017d3d2
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/element/Toggle.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\element;
+
+class Toggle extends Element {
+    private bool $defaultChoice;
+    private ?bool $submittedChoice = null;
+
+    public function __construct(?string $headerText, bool $defaultChoice = false) {
+        $this->defaultChoice = $defaultChoice;
+        parent::__construct($headerText);
+    }
+
+    public function getSubmittedChoice(): ?bool {
+        return $this->submittedChoice;
+    }
+
+    public function getType(): string {
+        return Element::TYPE_TOGGLE;
+    }
+
+    public function getDefaultChoice(): bool {
+        return $this->defaultChoice;
+    }
+
+    public function setDefaultChoice(bool $defaultChoice): void {
+        $this->defaultChoice = $defaultChoice;
+    }
+
+    public function assignResult($result): void {
+        $this->submittedChoice = $result;
+    }
+
+    public function serializeBody(): array {
+        return [
+            "default" => $this->defaultChoice
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/icon/ButtonIcon.php b/src/brokiem/snpc/libs/EasyUI/icon/ButtonIcon.php
new file mode 100644
index 0000000..db4a4ab
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/icon/ButtonIcon.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\icon;
+
+use JsonSerializable;
+
+class ButtonIcon implements JsonSerializable {
+    private string $address;
+    private string $type;
+
+    public const TYPE_PATH = "path";
+    public const TYPE_URL = "url";
+
+    public function __construct(string $address, string $type = self::TYPE_URL) {
+        $this->address = $address;
+        $this->type = $type;
+    }
+
+    public function getAddress(): string {
+        return $this->address;
+    }
+
+    public function getType(): string {
+        return $this->type;
+    }
+
+    public function jsonSerialize(): array {
+        return [
+            "type" => $this->type,
+            "data" => $this->address
+        ];
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/utils/Closable.php b/src/brokiem/snpc/libs/EasyUI/utils/Closable.php
new file mode 100644
index 0000000..719d0f8
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/utils/Closable.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\utils;
+
+use pocketmine\player\Player;
+
+trait Closable {
+    use CloseListener;
+
+    public function notifyClose(Player $player): void {
+        $this->executeCloseListener($player);
+        $this->onClose($player);
+    }
+
+    protected function onClose(Player $player): void {}
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/utils/CloseListener.php b/src/brokiem/snpc/libs/EasyUI/utils/CloseListener.php
new file mode 100644
index 0000000..9feadf8
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/utils/CloseListener.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\utils;
+
+use Closure;
+use pocketmine\player\Player;
+use pocketmine\utils\Utils;
+
+trait CloseListener {
+
+    private ?Closure $closeListener = null;
+
+    public function getCloseListener(): ?Closure {
+        return $this->closeListener;
+    }
+
+    public function setCloseListener(?Closure $listener): void {
+        if($listener !== null) {
+            Utils::validateCallableSignature(function(Player $player) {}, $listener);
+        }
+        $this->closeListener = $listener;
+    }
+
+    public function executeCloseListener(Player $player): void {
+        if($this->closeListener !== null) {
+            ($this->closeListener)($player);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/utils/FormResponse.php b/src/brokiem/snpc/libs/EasyUI/utils/FormResponse.php
new file mode 100644
index 0000000..959c503
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/utils/FormResponse.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\utils;
+
+use brokiem\snpc\libs\EasyUI\element\Element;
+use brokiem\snpc\libs\EasyUI\element\Input;
+use brokiem\snpc\libs\EasyUI\element\Label;
+use brokiem\snpc\libs\EasyUI\element\Option;
+use brokiem\snpc\libs\EasyUI\element\Slider;
+use brokiem\snpc\libs\EasyUI\element\StepSlider;
+use brokiem\snpc\libs\EasyUI\element\Toggle;
+
+class FormResponse {
+    private array $elements;
+
+    /**
+     * FormResponse constructor.
+     * @param Element[] $elements
+     */
+    public function __construct(array $elements) {
+        $this->elements = $elements;
+    }
+
+    public function getInputSubmittedText(string $inputId): ?string {
+        $element = $this->getElement($inputId);
+        return $element === null ? null : $element->getSubmittedText();
+    }
+
+    public function getToggleSubmittedChoice(string $toggleId): ?bool {
+        $element = $this->getElement($toggleId);
+        return $element === null ? null : $element->getSubmittedChoice();
+    }
+
+    public function getSliderSubmittedStep(string $sliderId): ?float {
+        $element = $this->getElement($sliderId);
+        return $element === null ? null : $element->getSubmittedStep();
+    }
+
+    public function getStepSliderSubmittedOptionId(string $sliderId): ?string {
+        $element = $this->getElement($sliderId);
+        return $element === null ? null : $element->getSubmittedOptionId();
+    }
+
+    public function getDropdownSubmittedOptionId(string $dropdownId): ?string {
+        $element = $this->getElement($dropdownId);
+        return $element === null ? null : $element->getSubmittedOptionId();
+    }
+
+    /**
+     * @param string $id
+     * @return Element|Input|Label|Option|Slider|StepSlider|Toggle
+     */
+    private function getElement(string $id): ?Element {
+        return $this->elements[$id] ?? null;
+    }
+}
diff --git a/src/brokiem/snpc/libs/EasyUI/utils/SubmitListener.php b/src/brokiem/snpc/libs/EasyUI/utils/SubmitListener.php
new file mode 100644
index 0000000..4e9501e
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/utils/SubmitListener.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\utils;
+
+use Closure;
+use pocketmine\player\Player;
+use pocketmine\utils\Utils;
+
+trait SubmitListener {
+    private ?Closure $submitListener = null;
+
+    public function getSubmitListener(): ?Closure {
+        return $this->submitListener;
+    }
+
+    public function setSubmitListener(?Closure $listener): void {
+        if($listener !== null) {
+            Utils::validateCallableSignature(function(Player $player) {}, $listener);
+        }
+        $this->submitListener = $listener;
+    }
+
+    public function executeSubmitListener(Player $player): void {
+        if($this->submitListener !== null) {
+            ($this->submitListener)($player);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/utils/Submittable.php b/src/brokiem/snpc/libs/EasyUI/utils/Submittable.php
new file mode 100644
index 0000000..28f78aa
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/utils/Submittable.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\utils;
+
+use pocketmine\player\Player;
+
+trait Submittable {
+    use SubmitListener;
+
+    public function notifySubmit(Player $player): void {
+        $this->executeSubmitListener($player);
+        $this->onSubmit($player);
+    }
+
+    protected function onSubmit(Player $player): void {}
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/variant/CustomForm.php b/src/brokiem/snpc/libs/EasyUI/variant/CustomForm.php
new file mode 100644
index 0000000..99414be
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/variant/CustomForm.php
@@ -0,0 +1,91 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\variant;
+
+use Closure;
+use brokiem\snpc\libs\EasyUI\element\Element;
+use brokiem\snpc\libs\EasyUI\Form;
+use brokiem\snpc\libs\EasyUI\utils\Closable;
+use brokiem\snpc\libs\EasyUI\utils\FormResponse;
+use pocketmine\player\Player;
+use pocketmine\utils\Utils;
+
+class CustomForm extends Form {
+    use Closable;
+
+    private array $elements = [];
+    private ?Closure $submitListener = null;
+
+    public function __construct(string $title, ?Closure $submitListener = null) {
+        $this->setSubmitListener($submitListener);
+        parent::__construct($title);
+    }
+
+    protected function getType(): string {
+        return Form::TYPE_CUSTOM_FORM;
+    }
+
+    /**
+     * @return Element[]
+     */
+    public function getElements(): array {
+        return $this->elements;
+    }
+
+    public function addElement(string $id, Element $element): void {
+        $this->elements[$id] = $element;
+    }
+
+    public function getSubmitListener(): ?Closure {
+        return $this->submitListener;
+    }
+
+    public function setSubmitListener(?Closure $submitListener): void {
+        if($submitListener !== null) {
+            Utils::validateCallableSignature(function(Player $player, FormResponse $response) {}, $submitListener);
+        }
+        $this->submitListener = $submitListener;
+    }
+
+    public function executeSubmitListener(Player $player, FormResponse $response): void {
+        if($this->submitListener !== null) {
+            ($this->submitListener)($player, $response);
+        }
+        $this->onSubmit($player, $response);
+    }
+
+    public function handleResponse(Player $player, $data): void {
+        if($data === null) {
+            $this->notifyClose($player);
+        } else {
+            $elementCopies = [];
+
+            $index = 0;
+            foreach($this->elements as $id => $element) {
+                $copy = clone $element;
+                $copy->assignResult($data[$index]);
+                $elementCopies[$id] = $copy;
+
+                $index++;
+            }
+
+            $this->executeSubmitListener($player, new FormResponse($elementCopies));
+        }
+    }
+
+    protected function serializeBody(): array {
+        return [
+            "content" => array_values($this->elements)
+        ];
+    }
+
+    protected function onSubmit(Player $player, FormResponse $response): void {}
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/variant/ModalForm.php b/src/brokiem/snpc/libs/EasyUI/variant/ModalForm.php
new file mode 100644
index 0000000..0803006
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/variant/ModalForm.php
@@ -0,0 +1,84 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\variant;
+
+use Closure;
+use brokiem\snpc\libs\EasyUI\element\ModalOption;
+use brokiem\snpc\libs\EasyUI\Form;
+use pocketmine\form\FormValidationException;
+use pocketmine\player\Player;
+
+class ModalForm extends Form {
+    private string $contentText;
+    private ModalOption $acceptOption;
+    private ModalOption $denyOption;
+
+    public function __construct(string $title, string $contentText, ?ModalOption $acceptOption = null, ?ModalOption $denyOption = null) {
+        $this->contentText = $contentText;
+        $this->acceptOption = $acceptOption ?? new ModalOption("Accept");
+        $this->denyOption = $denyOption ?? new ModalOption("Deny");
+        parent::__construct($title);
+    }
+
+    public function getAcceptOption(): ModalOption {
+        return $this->acceptOption;
+    }
+
+    public function getDenyOption(): ModalOption {
+        return $this->denyOption;
+    }
+
+    public function setAcceptListener(?Closure $closure): void {
+        $this->acceptOption->setSubmitListener($closure);
+    }
+
+    public function setAcceptText(string $text): void {
+        $this->acceptOption->setText($text);
+    }
+
+    public function setDenyListener(?Closure $closure): void {
+        $this->denyOption->setSubmitListener($closure);
+    }
+
+    public function setDenyText(string $text): void {
+        $this->denyOption->setText($text);
+    }
+
+    protected function getType(): string {
+        return Form::TYPE_MODAL_FORM;
+    }
+
+    public function handleResponse(Player $player, $data): void {
+        if(!is_bool($data)) {
+            throw new FormValidationException("$data is not a valid response");
+        }
+
+        if($data) {
+            $this->onAccept($player);
+            $this->acceptOption->notifySubmit($player);
+        } else {
+            $this->onDeny($player);
+            $this->denyOption->notifySubmit($player);
+        }
+    }
+
+    protected function serializeBody(): array {
+        return [
+            "content" => $this->contentText,
+            "button1" => $this->acceptOption->getText(),
+            "button2" => $this->denyOption->getText()
+        ];
+    }
+
+    protected function onAccept(Player $player): void {}
+
+    protected function onDeny(Player $player): void {}
+}
\ No newline at end of file
diff --git a/src/brokiem/snpc/libs/EasyUI/variant/SimpleForm.php b/src/brokiem/snpc/libs/EasyUI/variant/SimpleForm.php
new file mode 100644
index 0000000..8532ea8
--- /dev/null
+++ b/src/brokiem/snpc/libs/EasyUI/variant/SimpleForm.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ */
+
+declare(strict_types=1);
+
+namespace brokiem\snpc\libs\EasyUI\variant;
+
+use brokiem\snpc\libs\EasyUI\element\Button;
+use brokiem\snpc\libs\EasyUI\Form;
+use brokiem\snpc\libs\EasyUI\utils\Closable;
+use pocketmine\form\FormValidationException;
+use pocketmine\player\Player;
+
+class SimpleForm extends Form {
+    use Closable;
+
+    private array $buttons = [];
+    private ?string $headerText;
+
+    public function __construct(string $title, ?string $headerText = null) {
+        $this->headerText = $headerText;
+        parent::__construct($title);
+    }
+
+    /**
+     * @return Button[]
+     */
+    public function getButtons(): array {
+        return $this->buttons;
+    }
+
+    public function addButton(Button $button): void {
+        $this->buttons[] = $button;
+    }
+
+    public function getHeaderText(): ?string {
+        return $this->headerText;
+    }
+
+    public function setHeaderText(?string $headerText): void {
+        $this->headerText = $headerText;
+    }
+
+    protected function getType(): string {
+        return Form::TYPE_SIMPLE_FORM;
+    }
+
+    public function handleResponse(Player $player, $data): void {
+        if($data === null) {
+            $this->notifyClose($player);
+        } elseif(!is_int($data) or !isset($this->buttons[$data])) {
+            throw new FormValidationException( "Couldn't find the option $data");
+        } else {
+            $this->buttons[$data]->notifySubmit($player);
+        }
+    }
+
+    public function serializeBody(): array {
+        return [
+            "buttons" => array_map(function(Button $button) {
+                return $button->jsonSerialize();
+            }, $this->buttons),
+            "content" => $this->headerText ?? ""
+        ];
+    }
+}
\ No newline at end of file