81 lines
2.5 KiB
Swift
81 lines
2.5 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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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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//
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import SwiftUI
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public extension ButtonStyle where Self == ElementCapsuleButtonStyle {
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/// A button style that uses a capsule shape with a regular appearance.
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static var elementCapsule: ElementCapsuleButtonStyle {
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ElementCapsuleButtonStyle(isProminent: false)
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}
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/// A button style that uses a capsule shape with a prominent appearance.
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static var elementCapsuleProminent: ElementCapsuleButtonStyle {
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ElementCapsuleButtonStyle(isProminent: true)
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}
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}
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public struct ElementCapsuleButtonStyle: ButtonStyle {
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let isProminent: Bool
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public func makeBody(configuration: Configuration) -> some View {
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configuration.label
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.padding(7)
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.frame(maxWidth: .infinity)
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.font(.element.footnote)
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.foregroundColor(fontColor)
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.multilineTextAlignment(.center)
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.background(background)
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.opacity(configuration.isPressed ? 0.6 : 1)
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}
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@ViewBuilder
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var background: some View {
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if isProminent {
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Capsule()
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.foregroundColor(Color.element.accent)
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} else {
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Capsule()
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.stroke(Color.element.accent)
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}
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}
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var fontColor: Color {
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isProminent ? .element.systemPrimaryBackground : .element.systemPrimaryLabel
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}
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}
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struct ElementCapsuleButtonStyle_Previews: PreviewProvider {
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public static var previews: some View {
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VStack {
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Button("Enabled") { /* preview */ }
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.buttonStyle(.elementCapsuleProminent)
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Button("Disabled") { /* preview */ }
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.buttonStyle(.elementCapsuleProminent)
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.disabled(true)
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Button("Enabled") { /* preview */ }
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.buttonStyle(.elementCapsule)
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Button("Disabled") { /* preview */ }
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.buttonStyle(.elementCapsule)
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.disabled(true)
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}
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.padding()
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}
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}
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