material-components_materia.../components/Dialogs/examples/DialogsCustomShadowExampleViewController.swift
Galia Kaufman 3f3e5b0efc
[Dialogs] Renaming example view controllers (#5932)
Adding "Example" to names of all example view controllers of Dialogs - in files/class names.
2018-12-06 15:55:51 -05:00

114 lines
3.8 KiB
Swift

// Copyright 2018-present the Material Components for iOS authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import Foundation
import MaterialComponents.MaterialButtons
import MaterialComponents.MaterialDialogs
class CustomShadowViewController: UIViewController {
let bodyLabel = UILabel()
let dismissButton = MDCFlatButton()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.white
view.layer.cornerRadius = 32.0
bodyLabel.text =
"This presented view has a corner radius so we've set the corner radius on the presentation controller."
bodyLabel.translatesAutoresizingMaskIntoConstraints = false
bodyLabel.numberOfLines = 0
bodyLabel.sizeToFit()
self.view.addSubview(bodyLabel)
NSLayoutConstraint.activate(
NSLayoutConstraint.constraints(withVisualFormat: "H:|-[body]-|", options: [], metrics: nil, views: [ "body": bodyLabel]))
NSLayoutConstraint.activate(
NSLayoutConstraint.constraints(withVisualFormat: "V:|-[body]-|", options: [], metrics: nil, views: [ "body": bodyLabel]))
}
override var preferredContentSize: CGSize {
get {
return CGSize(width:200.0, height:140.0);
}
set {
super.preferredContentSize = newValue
}
}
}
class DialogsCustomShadowExampleViewController: UIViewController {
let flatButton = MDCFlatButton()
let transitionController = MDCDialogTransitionController()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.white
flatButton.setTitle("PRESENT ALERT", for: UIControlState())
flatButton.setTitleColor(UIColor(white: 0.1, alpha:1), for: UIControlState())
flatButton.sizeToFit()
flatButton.translatesAutoresizingMaskIntoConstraints = false
flatButton.addTarget(self, action: #selector(tap), for: .touchUpInside)
self.view.addSubview(flatButton)
NSLayoutConstraint.activate([
NSLayoutConstraint(item:flatButton,
attribute:.centerX,
relatedBy:.equal,
toItem:self.view,
attribute:.centerX,
multiplier:1.0,
constant: 0.0),
NSLayoutConstraint(item:flatButton,
attribute:.centerY,
relatedBy:.equal,
toItem:self.view,
attribute:.centerY,
multiplier:1.0,
constant: 0.0)
])
}
@objc func tap(_ sender: Any) {
let presentedController = CustomShadowViewController(nibName: nil, bundle: nil)
presentedController.modalPresentationStyle = .custom;
presentedController.transitioningDelegate = self.transitionController;
self.present(presentedController, animated: true, completion: nil)
// We set the corner radius to adjust the shadow that is implemented via the trackingView in the
// presentation controller.
if let presentationController = presentedController.mdc_dialogPresentationController {
presentationController.dialogCornerRadius = presentedController.view.layer.cornerRadius
}
}
// MARK: Catalog by convention
class func catalogMetadata() -> [String: Any] {
return [
"breadcrumbs": ["Dialogs", "View with Corner Radius"],
"primaryDemo": false,
"presentable": false,
]
}
}