/* The MIT License
 *
 * Copyright © 2020 NBCO YooMoney LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import UIKit

/// Placeholder view with contentView (ActionTextDialog/TextDialog/TitleTextDialog)
class PlaceholderView: UIView {

    /// The main view to which you add your templates’s content dialog
    /// (ActionTextDialog or TextDialog or TitleTextDialog)
    var contentView: UIView? {
        willSet {
            contentView?.removeFromSuperview()
        }
        didSet {
            guard let contentView = contentView else { return }
            addSubview(contentView)
            contentView.translatesAutoresizingMaskIntoConstraints = false
            NSLayoutConstraint.activate([
                contentView.left.constraint(equalTo: left),
                contentView.right.constraint(equalTo: right),
                contentView.centerY.constraint(equalTo: centerY),
                contentView.top.constraint(greaterThanOrEqualTo: top),
                ])
        }
    }
}
