Initial commit

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/

LICENSE

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+MIT License
+
+Copyright (c) 2021 Florentin
+
+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.

Package.swift

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+// swift-tools-version:5.3
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "MaterialOutlinedTextField",
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "MaterialOutlinedTextField",
+            targets: ["MaterialOutlinedTextField"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "MaterialOutlinedTextField",
+            dependencies: []),
+        .testTarget(
+            name: "MaterialOutlinedTextFieldTests",
+            dependencies: ["MaterialOutlinedTextField"]),
+    ]
+)

README.md

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+# MaterialOutlinedTextField
+
+A simple [Material Design outlined text field](https://material.io/components/text-fields) implementation in Swift.
+
+## Installation
+
+Installation can be done using Swift Package Manager. In Xcode, go to File > Swift Packages > Add Package Dependency… and paste the repository URL (https://github.com/flowbe/MaterialOutlinedTextField) to add it.
+
+You can also add the dependency directly in your `Package.swift` file:
+```swift
+dependencies: [
+    .package(url: "https://github.com/flowbe/MaterialOutlinedTextField.git", .upToNextMajor(from: "0.1.0"))
+]
+```
+
+## Usage
+
+`MaterialOutlinedTextField` has the same interface as `UITextField` with a few extra properties and methods:
+
+- `label`: The label appearing as floating or placeholder. You can use this property to set his text content.
+- `labelBehavior`: Defines the behavior of the label when the text field is editing. The possible values are `floats` (default) or `disappears`. 
+- `containerRadius`: The corner radius of the text field.
+- `colorModel`: The current color model based on the current state (get-only).
+- `outlineLineWidth`: The current outline line width model based on the current state (get-only).
+- `setColorModel(_ colorModel: ColorModel, for state: State)`: Set the color model for the specified state.
+- `setOutlineLineWidth(_ outlineLineWidth: CGFloat, for state: State)`: Set the color model for the specified state.
+
+## Example
+
+```swift
+let t = MaterialOutlinedTextField(frame: CGRect(x: 0, y: 0, width: 200, height: 56))
+textField.label.text = "Label"
+textField.placeholder = "Placeholder"
+textField.clearButtonMode = .whileEditing
+textField.setColorModel(ColorModel(textColor: .gray, floatingLabelColor: .gray, normalLabelColor: .gray, outlineColor: .gray), for: .normal)
+textField.setColorModel(ColorModel(textColor: .systemBlue, floatingLabelColor: .systemBlue, normalLabelColor: .systemBlue, outlineColor: .systemBlue), for: .editing)
+textField.setColorModel(ColorModel(with: .disabled), for: .disabled)
+```

Sources/MaterialOutlinedTextField/ColorModel.swift

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+//
+//  ColorModel.swift
+//  MaterialOutlinedTextField
+//
+//  Created by Florentin on 28/02/2021.
+//  Copyright © 2021 Florentin. All rights reserved.
+//
+
+import UIKit
+
+public struct ColorModel {
+    /// Text color.
+    public var textColor: UIColor
+    /// Floating label color.
+    public var floatingLabelColor: UIColor
+    /// Normal label color.
+    public var normalLabelColor: UIColor
+    /// Outline line color.
+    public var outlineColor: UIColor
+
+    public init(with state: MaterialOutlinedTextField.State) {
+        var textColor = UIColor.black
+        var floatingLabelColor = UIColor.black
+        var normalLabelColor = UIColor.darkGray
+        var outlineColor = UIColor.black
+
+        if #available(iOS 13.0, *) {
+            textColor = .label
+            floatingLabelColor = .label
+            normalLabelColor = .label
+            outlineColor = .label
+        }
+
+        let disabledAlpha: CGFloat = 0.6
+
+        if state == .disabled {
+            textColor = textColor.withAlphaComponent(disabledAlpha)
+            floatingLabelColor = floatingLabelColor.withAlphaComponent(disabledAlpha)
+            normalLabelColor = normalLabelColor.withAlphaComponent(disabledAlpha)
+            outlineColor = normalLabelColor.withAlphaComponent(disabledAlpha)
+        }
+
+        self.init(textColor: textColor,
+            floatingLabelColor: floatingLabelColor,
+            normalLabelColor: normalLabelColor,
+            outlineColor: outlineColor)
+    }
+
+    /// Creates a new color model.
+    /// - Parameters:
+    ///   - textColor: Text color
+    ///   - floatingLabelColor: Floating label color
+    ///   - normalLabelColor: Normal label color
+    ///   - outlineColor: Outline line color
+    public init(textColor: UIColor, floatingLabelColor: UIColor, normalLabelColor: UIColor, outlineColor: UIColor) {
+        self.textColor = textColor
+        self.floatingLabelColor = floatingLabelColor
+        self.normalLabelColor = normalLabelColor
+        self.outlineColor = outlineColor
+    }
+}