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60 lines
2.2 KiB
Swift
60 lines
2.2 KiB
Swift
/*
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Copyright 2019 New Vector Ltd
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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import UIKit
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extension UIButton {
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/// Enable multiple lines for button title.
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///
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/// - Parameter textAlignment: Title text alignement. Default `NSTextAlignment.center`.
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func vc_enableMultiLinesTitle(textAlignment: NSTextAlignment = .center) {
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guard let titleLabel = self.titleLabel else {
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return
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}
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titleLabel.lineBreakMode = .byWordWrapping
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titleLabel.numberOfLines = 0
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titleLabel.textAlignment = textAlignment
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}
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/// Set background color as an image.
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/// Useful to automatically adjust highlighted background if `adjustsImageWhenHighlighted` property is set to true or disabled background when `adjustsImageWhenDisabled`is set to true.
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///
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/// - Parameters:
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/// - color: The background color to set as an image.
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/// - state: The control state for wich to apply this color.
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func vc_setBackgroundColor(_ color: UIColor, for state: UIControl.State) {
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let image = UIImage.vc_image(from: color)
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self.setBackgroundImage(image, for: state)
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}
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/// Shortcut to button label property `adjustsFontForContentSizeCategory`
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@IBInspectable
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var vc_adjustsFontForContentSizeCategory: Bool {
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get {
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return self.titleLabel?.adjustsFontForContentSizeCategory ?? false
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}
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set {
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self.titleLabel?.adjustsFontForContentSizeCategory = newValue
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}
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}
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/// Set title font and enable Dynamic Type support
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func vc_setTitleFont(_ font: UIFont) {
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self.vc_adjustsFontForContentSizeCategory = true
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self.titleLabel?.font = font
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}
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}
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