Multi-line UITextView subclass with 2 border modes, configurable padding, auto-dismiss keyboard accessory, real-time text change handler, max-length enforcement, auto-size to fit content, character limit callback, and chainable API.

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🎨 Field Types

public enum TYPE {
    case DEFAULT    // 1pt border with corner radius
    case NO_BORDER  // No border (embed in styled container)
}

Type	Border	Use Case
.DEFAULT	1pt rounded border	Standard multi-line text fields
.NO_BORDER	None	Custom styled panels/containers

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🚀 Usage

Basic Multi-line Input

// Default bordered text view
let commentView = TTBaseUITextView(with: .DEFAULT)
commentView.setHeightAnchor(constant: 120)

// No border variant
let noteView = TTBaseUITextView(with: .NO_BORDER)

// Without keyboard dismiss accessory
let bioView = TTBaseUITextView(
    with: .DEFAULT,
    isSetHiddenKeyboardAccessoryView: false
)

Real-time Change Handler

let descriptionView = TTBaseUITextView()
descriptionView.onTextEditChangedHandler = { view, text in
    charCountLabel.text = "\(text.count)/200"
    submitBtn.setEnable()
}

// Editing began / ended
descriptionView.editingDidBeginHandle = { view in
    view.layer.borderColor = UIColor.systemBlue.cgColor
}
descriptionView.editingDidEndHandle = { view in
    view.layer.borderColor = UIColor.lightGray.cgColor
}

Max Length Enforcement

let bioView = TTBaseUITextView()
bioView.setMaxLenght(max: 200)  // Block input over 200 chars

// Callback when limit is reached
bioView.onDidMaxLeightHandle = { text in
    showToast("Max 200 characters allowed")
}

Auto-sizing (Grows with Content)

// Grows up to 5 lines, then scrolls
let messageView = TTBaseUITextView()
messageView.setAutoSizeWhenInputText(withMaximumNumberOfLines: 5)

Return Key Handling

let chatInput = TTBaseUITextView()
chatInput.returnKeyType = .send
chatInput.onTouchReturnKeyHandler = { view, keyType in
    if keyType == .send {
        sendMessage(view.text)
        view.text = ""
    }
}

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📖 API Reference

Method / Property	Returns	Description
onTextEditChangedHandler	Closure?	Called on every text change
onDismissKeyboard	Closure?	Called when accessory dismiss button tapped
onDidMaxLeightHandle	Closure?	Called when max length is exceeded
onTouchReturnKeyHandler	Closure?	Called on Return key press
editingDidBeginHandle	Closure?	Called when editing starts
editingDidEndHandle	Closure?	Called when editing ends
maxNumberOfLines	Int	Max lines before truncation (override in subclass, default 4)
setText(text:)	Void	Set text content programmatically
setTextColor(color:)	TTBaseUITextView	Change text color (chainable)
setBgColor(_:)	Void	Set background color
setNoBorder()	TTBaseUITextView	Remove all borders (chainable)
setMaxLenght(max:)	Void	Set maximum character count
setAutoSizeWhenInputText(withMaximumNumberOfLines:)	Void	Enable auto-height growing up to N lines
setHiddenKeyboardAccessoryView()	TTBaseUITextView	Add dismiss keyboard accessory bar
setKeyboardStyleBy*()	TTBaseUITextView	Email/Number/Phone/Money/Date keyboard
setPasswordView()	Void	Enable secure text entry

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⚙️ Configuration

// Subclass to customize padding and line count
class MyTextView: TTBaseUITextView {
    override var maxNumberOfLines: Int { return 6 }
    override var paddingTextUIEdgeInsets: UIEdgeInsets {
        return UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)
    }
    override func updateUI() {
        self.setBgColor(.systemGray6)
    }
}