mirror of
https://github.com/material-components/material-components-ios.git
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2181084272
Removes the need to copy-paste stanzas from other files anymore as we'll rely on #4478 to generate the correct stanza for us instead. This was an automated change generated by running a find-and-replace regular expression: ``` /\* Copyright ([0-9]+)-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\. \*/ ``` ``` /\* Copyright ([0-9]+)-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\. \*/ ``` ``` /\* Copyright ([0-9]+)-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\. \*/ ``` ``` // Copyright $1-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. ```
426 lines
16 KiB
Swift
426 lines
16 KiB
Swift
// Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// swiftlint:disable function_body_length
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import MaterialComponents.MaterialTextFields
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final class TextFieldLegacySwiftExample: UIViewController {
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let scrollView = UIScrollView()
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let name: MDCTextField = {
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let name = MDCTextField()
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name.translatesAutoresizingMaskIntoConstraints = false
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name.autocapitalizationType = .words
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return name
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}()
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let address: MDCTextField = {
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let address = MDCTextField()
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address.translatesAutoresizingMaskIntoConstraints = false
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address.autocapitalizationType = .words
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return address
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}()
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let city: MDCTextField = {
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let city = MDCTextField()
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city.translatesAutoresizingMaskIntoConstraints = false
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city.autocapitalizationType = .words
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return city
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}()
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let cityController: MDCTextInputControllerLegacyDefault
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let state: MDCTextField = {
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let state = MDCTextField()
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state.translatesAutoresizingMaskIntoConstraints = false
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state.autocapitalizationType = .allCharacters
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return state
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}()
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let zip: MDCTextField = {
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let zip = MDCTextField()
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zip.translatesAutoresizingMaskIntoConstraints = false
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return zip
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}()
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let zipController: MDCTextInputControllerLegacyDefault
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let phone: MDCTextField = {
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let phone = MDCTextField()
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phone.translatesAutoresizingMaskIntoConstraints = false
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return phone
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}()
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let message: MDCMultilineTextField = {
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let message = MDCMultilineTextField()
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message.translatesAutoresizingMaskIntoConstraints = false
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return message
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}()
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var allTextFieldControllers = [MDCTextInputControllerLegacyDefault]()
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override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
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cityController = MDCTextInputControllerLegacyDefault(textInput: city)
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zipController = MDCTextInputControllerLegacyDefault(textInput: zip)
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super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = UIColor(white:0.97, alpha: 1.0)
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title = "Material Text Fields"
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setupScrollView()
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setupTextFields()
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registerKeyboardNotifications()
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addGestureRecognizer()
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let styleButton = UIBarButtonItem(title: "Style",
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style: .plain,
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target: self,
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action: #selector(buttonDidTouch(sender: )))
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self.navigationItem.rightBarButtonItem = styleButton
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}
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func setupTextFields() {
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scrollView.addSubview(name)
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let nameController = MDCTextInputControllerLegacyDefault(textInput: name)
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name.delegate = self
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name.text = "Grace Hopper"
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nameController.placeholderText = "Name"
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nameController.helperText = "First and Last"
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allTextFieldControllers.append(nameController)
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scrollView.addSubview(address)
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let addressController = MDCTextInputControllerLegacyDefault(textInput: address)
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address.delegate = self
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addressController.placeholderText = "Address"
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allTextFieldControllers.append(addressController)
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scrollView.addSubview(city)
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city.delegate = self
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cityController.placeholderText = "City"
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allTextFieldControllers.append(cityController)
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// In iOS 9+, you could accomplish this with a UILayoutGuide.
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// TODO: (larche) add iOS version specific implementations
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let stateZip = UIView()
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stateZip.translatesAutoresizingMaskIntoConstraints = false
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scrollView.addSubview(stateZip)
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stateZip.addSubview(state)
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let stateController = MDCTextInputControllerLegacyDefault(textInput: state)
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state.delegate = self
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stateController.placeholderText = "State"
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allTextFieldControllers.append(stateController)
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stateZip.addSubview(zip)
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zip.delegate = self
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zipController.placeholderText = "Zip Code"
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zipController.helperText = "XXXXX"
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allTextFieldControllers.append(zipController)
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scrollView.addSubview(phone)
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let phoneController = MDCTextInputControllerLegacyDefault(textInput: phone)
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phone.delegate = self
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phoneController.placeholderText = "Phone Number"
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allTextFieldControllers.append(phoneController)
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scrollView.addSubview(message)
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let messageController = MDCTextInputControllerLegacyDefault(textInput: message)
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#if swift(>=3.2)
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message.text = """
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This is where you could put a multi-line message like an email.
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It can even handle new lines.
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"""
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#else
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message.text = "This is where you could put a multi-line message like an email. It can even handle new lines./n"
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#endif
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message.textView?.delegate = self
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messageController.placeholderText = "Message"
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allTextFieldControllers.append(messageController)
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var tag = 0
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for controller in allTextFieldControllers {
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guard let textField = controller.textInput as? MDCTextField else { continue }
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textField.tag = tag
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tag += 1
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}
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let views = [ "name": name,
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"address": address,
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"city": city,
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"stateZip": stateZip,
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"phone": phone,
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"message": message ]
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var constraints = NSLayoutConstraint.constraints(withVisualFormat:
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"V:[name]-[address]-[city]-[stateZip]-[phone]-[message]",
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options: [.alignAllLeading, .alignAllTrailing],
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metrics: nil,
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views: views)
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constraints += [NSLayoutConstraint(item: name,
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attribute: .leading,
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relatedBy: .equal,
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toItem: view,
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attribute: .leadingMargin,
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multiplier: 1,
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constant: 0)]
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constraints += [NSLayoutConstraint(item: name,
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attribute: .trailing,
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relatedBy: .equal,
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toItem: view,
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attribute: .trailingMargin,
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multiplier: 1,
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constant: 0)]
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constraints += NSLayoutConstraint.constraints(withVisualFormat: "H:[name]|",
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options: [],
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metrics: nil,
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views: views)
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#if swift(>=3.2)
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if #available(iOS 11.0, *) {
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constraints += [NSLayoutConstraint(item: name,
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attribute: .top,
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relatedBy: .equal,
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toItem: scrollView.contentLayoutGuide,
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attribute: .top,
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multiplier: 1,
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constant: 20),
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NSLayoutConstraint(item: message,
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attribute: .bottom,
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relatedBy: .equal,
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toItem: scrollView.contentLayoutGuide,
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attribute: .bottomMargin,
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multiplier: 1,
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constant: -20)]
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} else {
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constraints += [NSLayoutConstraint(item: name,
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attribute: .top,
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relatedBy: .equal,
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toItem: scrollView,
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attribute: .top,
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multiplier: 1,
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constant: 20),
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NSLayoutConstraint(item: message,
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attribute: .bottom,
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relatedBy: .equal,
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toItem: scrollView,
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attribute: .bottomMargin,
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multiplier: 1,
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constant: -20)]
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}
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#else
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constraints += [NSLayoutConstraint(item: name,
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attribute: .top,
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relatedBy: .equal,
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toItem: scrollView,
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attribute: .top,
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multiplier: 1,
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constant: 20),
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NSLayoutConstraint(item: message,
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attribute: .bottom,
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relatedBy: .equal,
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toItem: scrollView,
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attribute: .bottomMargin,
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multiplier: 1,
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constant: -20)]
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#endif
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let stateZipViews = [ "state": state, "zip": zip ]
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constraints += NSLayoutConstraint.constraints(withVisualFormat: "H:|[state(80)]-[zip]|",
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options: [.alignAllTop],
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metrics: nil,
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views: stateZipViews)
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constraints += NSLayoutConstraint.constraints(withVisualFormat: "V:|[state]|",
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options: [],
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metrics: nil,
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views: stateZipViews)
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NSLayoutConstraint.activate(constraints)
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}
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func setupScrollView() {
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view.addSubview(scrollView)
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scrollView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate(NSLayoutConstraint.constraints(
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withVisualFormat: "V:|[scrollView]|",
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options: [],
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metrics: nil,
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views: ["scrollView": scrollView]))
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NSLayoutConstraint.activate(NSLayoutConstraint.constraints(withVisualFormat: "H:|[scrollView]|",
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options: [],
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metrics: nil,
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views: ["scrollView": scrollView]))
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let marginOffset: CGFloat = 16
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let margins = UIEdgeInsets(top: 0, left: marginOffset, bottom: 0, right: marginOffset)
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scrollView.layoutMargins = margins
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}
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func addGestureRecognizer() {
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let tapRecognizer = UITapGestureRecognizer(target: self,
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action: #selector(tapDidTouch(sender: )))
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self.scrollView.addGestureRecognizer(tapRecognizer)
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}
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// MARK: - Actions
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@objc func tapDidTouch(sender: Any) {
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self.view.endEditing(true)
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}
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@objc func buttonDidTouch(sender: Any) {
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let isFloatingEnabled = allTextFieldControllers.first?.isFloatingEnabled ?? false
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let alert = UIAlertController(title: "Floating Labels",
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message: nil,
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preferredStyle: .actionSheet)
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let defaultAction = UIAlertAction(title: "Default (Yes)" + (isFloatingEnabled ? " ✓" : ""),
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style: .default) { _ in
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self.allTextFieldControllers.forEach({ (controller) in
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controller.isFloatingEnabled = true
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})
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}
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alert.addAction(defaultAction)
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let floatingAction = UIAlertAction(title: "No" + (isFloatingEnabled ? "" : " ✓"),
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style: .default) { _ in
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self.allTextFieldControllers.forEach({ (controller) in
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controller.isFloatingEnabled = false
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})
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}
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alert.addAction(floatingAction)
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present(alert, animated: true, completion: nil)
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}
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}
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extension TextFieldLegacySwiftExample: UITextFieldDelegate {
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func textField(_ textField: UITextField,
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shouldChangeCharactersIn range: NSRange,
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replacementString string: String) -> Bool {
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guard let rawText = textField.text else {
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return true
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}
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let fullString = NSString(string: rawText).replacingCharacters(in: range, with: string)
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if textField == zip {
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if let range = fullString.rangeOfCharacter(from: CharacterSet.letters),
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fullString[range].characterCount > 0 {
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zipController.setErrorText("Error: Zip can only contain numbers",
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errorAccessibilityValue: nil)
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} else if fullString.characterCount > 5 {
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zipController.setErrorText("Error: Zip can only contain five digits",
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errorAccessibilityValue: nil)
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} else {
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zipController.setErrorText(nil, errorAccessibilityValue: nil)
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}
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} else if textField == city {
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if let range = fullString.rangeOfCharacter(from: CharacterSet.decimalDigits),
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fullString[range].characterCount > 0 {
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cityController.setErrorText("Error: City can only contain letters",
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errorAccessibilityValue: nil)
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} else {
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cityController.setErrorText(nil, errorAccessibilityValue: nil)
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}
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}
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return true
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}
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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let index = textField.tag
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if index + 1 < allTextFieldControllers.count,
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let nextField = allTextFieldControllers[index + 1].textInput {
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nextField.becomeFirstResponder()
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} else {
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textField.resignFirstResponder()
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}
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return false
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}
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}
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extension TextFieldLegacySwiftExample: UITextViewDelegate {
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func textViewDidEndEditing(_ textView: UITextView) {
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print(textView.text)
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}
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}
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// MARK: - Keyboard Handling
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extension TextFieldLegacySwiftExample {
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func registerKeyboardNotifications() {
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let notificationCenter = NotificationCenter.default
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notificationCenter.addObserver(
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self,
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selector: #selector(keyboardWillShow(notif:)),
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name: .UIKeyboardWillShow,
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object: nil)
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notificationCenter.addObserver(
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self,
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selector: #selector(keyboardWillShow(notif:)),
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name: .UIKeyboardWillChangeFrame,
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object: nil)
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notificationCenter.addObserver(
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self,
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selector: #selector(keyboardWillHide(notif:)),
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name: .UIKeyboardWillHide,
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object: nil)
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}
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@objc func keyboardWillShow(notif: Notification) {
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guard let frame = notif.userInfo?[UIKeyboardFrameEndUserInfoKey] as? CGRect else {
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return
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}
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scrollView.contentInset = UIEdgeInsets(top: 0.0,
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left: 0.0,
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bottom: frame.height,
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right: 0.0)
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}
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@objc func keyboardWillHide(notif: Notification) {
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scrollView.contentInset = UIEdgeInsets()
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}
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}
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// MARK: - Status Bar Style
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extension TextFieldLegacySwiftExample {
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override var preferredStatusBarStyle: UIStatusBarStyle {
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return .lightContent
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}
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}
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extension TextFieldLegacySwiftExample {
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class func catalogMetadata() -> [String: Any] {
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return [
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"breadcrumbs": ["Text Field", "[Legacy] Typical Use"],
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"primaryDemo": false,
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"presentable": false,
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]
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}
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}
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