MEFRREEX/FormConstructor

Important

The current version of FormConstructor plugin is 2.0.0, if your plugin does not support this version you can download FormConstructor version 1.1.4 from the link below:
Download FormConstructor 1.1.4

Full list of changes: CHANGELOG

🤔 Introduction

Library is designed to simplify the creation and handling of forms. It has a few key advantages over other form libraries:

Forms are processed using a lambda, which is passed when the form itself is created, and not by catching events.
For each button in SimpleForm we can set a lambda function.
In SimpleForm we get a button object as a response, where we can get its name and index.
In CustomForm we can mark elements with an identifier to conveniently get this element in its handler. We can get element by id and its index.
For each form we can set its closing handler.
Easy async handling.

🛠 Examples

Creating a SimpleForm:

SimpleForm form = new SimpleForm("Sample title");
// Adding form content
form.addContent("New content line");
    
// Easiest way to add a button
form.addButton("Button", (pl, b) -> {
        pl.sendMessage("Button clicked: " + b.getName() + " (" + b.getIndex() + ")");
    })
    // Button with image
    .addButton("Button with image", ImageType.PATH, "textures/items/diamond")
    // Another way to add a button
    .addButton(new Button("Another button")
        .setImage(ImageType.PATH, "textures/blocks/stone")
        .onClick((pl, b) -> {
            pl.sendMessage("Another button clicked: " + b.getName() + " (" + b.getIndex() + ")");
        }));

// Setting the form close handler
form.setNoneHandler(pl -> {
    pl.sendMessage("You closed the form!");
});

form.send(player);

Creating a ModalForm:

ModalForm form = new ModalForm("Test modal form");
form.addContent("New content line");

form.setPositiveButton("Positive button")
    .setNegativeButton("Negative button");

// Setting the form handler
// Result returns true if a positive button was ckicked and false if a negative button was ckicked
form.setHandler((pl, result) -> {
    pl.sendMessage("You clicked " + (result ? "correct" : "wrong") + " button!");
});

// Setting the form close handler
form.setNoneHandler(pl -> pl.sendMessage("You closed the form!"));
form.send(player);

Creating a CustomForm:

CustomForm form = new CustomForm("Test custom form");

// Options list 
List<SelectableElement> elements = List.of(
    new SelectableElement("Option 1"),
    new SelectableElement("Option 2"),
    // SelectableElement may be named and may contain a value
    new SelectableElement("Option with value", 15)
);

form.addElement("Test label")
    .addElement("input", new Input("Input")
        .setPlaceholder("Text")
        .setDefaultValue("Default value"))
    .addElement("slider", new Slider("Slider", 1f, 100f, 1, 1))
    .addElement("stepslider", new StepSlider("Step slider")
        .addStep("1")
        .addStep("2")
        .addStep("3"))
    .addElement("dropdown", new Dropdown("Dropdown")
        .addElement("Element 1")
        .addElement("Element 2")
        .addElement("Element 3"))
    .addElement("dropdown1", new Dropdown("Second dropdown", elements))
    .addElement("toggle", new Toggle("Toggle"));

// Setting the form handler
form.setHandler((pl, response) -> {
    String input = response.getInput("input").getValue();

    float slider = response.getSlider("slider").getValue();
    SelectableElement stepslider = response.getStepSlider("stepslider").getValue();
    SelectableElement dropdown = response.getDropdown("dropdown").getValue();

    // Getting the value we set in SelectableElement
    Integer dropdownValue = response.getDropdown("dropdown1").getValue().getValue(Integer.class);

    boolean toggle = response.getToggle("toggle").getValue();

    pl.sendMessage("Input: " + input + ", Slider: " + slider + ", Step Slider: " + stepslider + ", Dropdown: " + dropdown + ", Toggle: " + toggle);
    pl.sendMessage("Second dropdown value: " + dropdownValue);
});

form.send(player);

Async handling

Also you can use method sendAsync(player) or send(player, true) for using async form handling. But this may cause some restrictions. What exactly - I don't know.

📋 Events

Name	Cancellable	Description
PlayerFormSendEvent	true	Called when a form is sent
PlayerFormCloseEvent	false	Called when the form is closed

Example:

@EventHandler
public void onFormSend(PlayerFormSendEvent event) {
    // Getting a player
    Player player = event.getPlayer();
    // Getting the form
    Form form = event.getForm();
}

🔌 Maven

Repository

<repositories>
    <repository>
        <id>jitpack.io</id>
        <url>https://jitpack.io</url>
    </repository>
</repositories>

Dependency

<dependency>
    <groupId>com.github.MEFRREEX</groupId>
    <artifactId>FormConstructor</artifactId>
    <version>2.0.3</version>
</dependency>

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MEFRREEX / FormConstructor