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Merge pull request #15 from artemnovichkov/feature/refactoring
Refactoring helper functions to Zepcode singleton
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,90 @@ | ||
| const linearGradientTemplate = ( | ||
| gradient, | ||
| colorStopsString, | ||
| colorStopsPositionString | ||
| ) => ` | ||
| let gradientLayer = CAGradientLayer() | ||
| gradientLayer.frame = view.bounds | ||
| ${ | ||
| gradient.angle === 90 | ||
| ? `gradientLayer.startPoint = CGPoint(x: 0.0, y: 0.5) | ||
| gradientLayer.endPoint = CGPoint(x: 1.0, y: 0.5)` | ||
| : `` | ||
| const linearGradientTemplate = (gradient, colorStopsString) => | ||
| `import UIKit | ||
| final class LinearGradientLayer: CALayer { | ||
| enum Direction { | ||
| case vertical | ||
| case horizontal | ||
| case custom(start: CGPoint, end: CGPoint) | ||
| var points: (start: CGPoint, end: CGPoint) { | ||
| switch self { | ||
| case .vertical: | ||
| return (CGPoint(x: 0.5, y: 0.0), CGPoint(x: 0.5, y: 1.0)) | ||
| case .horizontal: | ||
| return (CGPoint(x: 0.0, y: 0.5), CGPoint(x: 1.0, y: 0.5)) | ||
| case let .custom(start, end): | ||
| return (start, end) | ||
| } | ||
| } | ||
| } | ||
| var direction: Direction = .vertical | ||
| var colorSpace = CGColorSpaceCreateDeviceRGB() | ||
| var colors: [CGColor]? | ||
| var locations: [CGFloat]? | ||
| var options: CGGradientDrawingOptions = CGGradientDrawingOptions(rawValue: 0) | ||
| required override init() { | ||
| super.init() | ||
| masksToBounds = true | ||
| needsDisplayOnBoundsChange = true | ||
| } | ||
| required init?(coder aDecoder: NSCoder) { | ||
| super.init(coder: aDecoder) | ||
| } | ||
| required override init(layer: Any) { | ||
| super.init(layer: layer) | ||
| } | ||
| override func draw(in ctx: CGContext) { | ||
| ctx.saveGState() | ||
| guard let colors = colors, let gradient = CGGradient(colorsSpace: colorSpace, | ||
| colors: colors as CFArray, locations: locations) else { return } | ||
| let points = direction.points | ||
| ctx.drawLinearGradient( | ||
| gradient, | ||
| start: transform(points.start), | ||
| end: transform(points.end), | ||
| options: options | ||
| ) | ||
| } | ||
| private func transform(_ point: CGPoint) -> CGPoint { | ||
| return CGPoint(x: bounds.width * point.x, y: bounds.height * point.y) | ||
| } | ||
| } | ||
| gradientLayer.colors = [${colorStopsString}] | ||
| gradientLayer.locations = [${colorStopsPositionString}] | ||
| view.layer.insertSublayer(gradientLayer, at: 0)`; | ||
| final class GradientView: UIView { | ||
| lazy var gradientLayer: LinearGradientLayer = { | ||
| let gradientLayer = LinearGradientLayer() | ||
| gradientLayer.colors = [${colorStopsString}] | ||
| return gradientLayer | ||
| }() | ||
| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
| layer.insertSublayer(gradientLayer, at: 0) | ||
| } | ||
| required init?(coder aDecoder: NSCoder) { | ||
| super.init(coder: aDecoder) | ||
| layer.insertSublayer(gradientLayer, at: 0) | ||
| } | ||
| override func layoutSubviews() { | ||
| super.layoutSubviews() | ||
| gradientLayer.frame = bounds | ||
| } | ||
| }`; | ||
|
|
||
| export default linearGradientTemplate; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| import colorExtensionTemplate from './templates/color-extension'; | ||
| import customColorTemplate from './templates/custom-color'; | ||
| import colorTemplate from './templates/color'; | ||
| import linearGradientTemplate from './templates/linear-gradient'; | ||
| import radialGradientTemplate from './templates/radial-gradient'; | ||
| import fontExtensionTemplate from './templates/font-extension'; | ||
|
|
||
| const zepcode = (() => { | ||
| let instance; | ||
|
|
||
| function init(privateContext) { | ||
| let me; | ||
| if (privateContext !== undefined) { | ||
| me = { | ||
| options: { | ||
| useColorNames: privateContext.getOption('use_color_names'), | ||
| useCustomColorInitializer: privateContext.getOption( | ||
| 'use_custom_color_initializer' | ||
| ), | ||
| }, | ||
| project: privateContext.project, | ||
| }; | ||
| } | ||
|
|
||
| me.cgColorString = color => { | ||
| const styleguideColor = me.project.findColorEqual(color); | ||
| const cgColorPostfix = '.cgColor'; | ||
|
|
||
| if (me.options.useColorNames && styleguideColor) { | ||
| return `UIColor.${styleguideColor.name}${cgColorPostfix}`; | ||
| } | ||
| if (me.options.useCustomColorInitializer) { | ||
| return customColorTemplate(color) + cgColorPostfix; | ||
| } | ||
| return colorTemplate(color) + cgColorPostfix; | ||
| }; | ||
|
|
||
| me.colorStopsString = gradient => { | ||
| const { colorStops } = gradient; | ||
| return colorStops | ||
| .map(colorStop => me.cgColorString(colorStop.color)) | ||
| .join(', '); | ||
| }; | ||
|
|
||
| me.linearGradientLayer = gradient => | ||
| linearGradientTemplate(gradient, me.colorStopsString(gradient)); | ||
|
|
||
| me.radialGradientLayer = gradient => | ||
| radialGradientTemplate(me.colorStopsString(gradient)); | ||
|
|
||
| me.commentString = text => { | ||
| const { textOption } = me.options; | ||
| return `${text} ${textOption !== undefined ? textOption : ''}`; | ||
| }; | ||
|
|
||
| me.generateColorExtension = colors => ({ | ||
| code: colorExtensionTemplate(colors, me.options), | ||
| language: 'swift', | ||
| filename: 'UIColor+AppColors.swift', | ||
| }); | ||
|
|
||
| me.generateFontExtension = textStyles => { | ||
| const uniqueFonts = Array.from( | ||
| new Set(textStyles.map(style => style.fontFace)) | ||
| ).sort(); | ||
|
|
||
| return { | ||
| code: fontExtensionTemplate(uniqueFonts), | ||
| language: 'swift', | ||
| filename: 'UIFont+AppFonts.swift', | ||
| }; | ||
| }; | ||
|
|
||
| return me; | ||
| } | ||
|
|
||
| return context => { | ||
| if (!instance) { | ||
| instance = init(context); | ||
| } | ||
|
|
||
| return instance; | ||
| }; | ||
| })(); | ||
|
|
||
| export default zepcode; |