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Add mode ignore handler view
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@dungntm58
dungntm58 committed Nov 7, 2018
1 parent a178206 commit 4924bcd
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Showing 2 changed files with 100 additions and 25 deletions.
2 changes: 2 additions & 0 deletions Example/RCStickerView/ViewController.swift
View file
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ class ViewController: UIViewController {
stickerView.set(image: UIImage(named: "Flip"), for: .flipX)
stickerView.isEnableFlipY = false
stickerView.handlerSize = 40
stickerView.movingMode = .insideSuperview(ignoreHandler: true)

self.view.addSubview(stickerView)

let testLabel = UILabel(frame: CGRect(x: 0, y: 0, width: 100, height: 50))
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123 changes: 98 additions & 25 deletions RCStickerView/Classes/RCStickerView.swift
View file
Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,8 @@ public enum RCStickerViewPosition: Int {

public enum MovingMode {
case free
case insideSuperview
case inside(view: UIView)
case insideSuperview(ignoreHandler: Bool)
case inside(view: UIView, ignoreHandler: Bool)
}

@objc public protocol RCStickerViewDelegate: class {
Expand Down Expand Up @@ -62,6 +62,9 @@ open class RCStickerView: UIView {

private var contentView: UIView!

private var positionHandlerMap: [RCStickerViewPosition: RCStickerViewHandler] = [:]
private var positionVisibilityMap: [RCStickerViewPosition: Bool] = [:]

private lazy var moveGesture: UIPanGestureRecognizer = {
return UIPanGestureRecognizer(target: self, action: #selector(handleMoveGesture(_:)))
}()
Expand Down Expand Up @@ -168,6 +171,13 @@ open class RCStickerView: UIView {
case .flipY:
self.flipYImageView.image = image
}

for (key, value) in positionHandlerMap {
if value == handler {
positionVisibilityMap[key] = image != nil
break
}
}
}

public func set(position: RCStickerViewPosition, for handler: RCStickerViewHandler) {
Expand All @@ -186,6 +196,15 @@ open class RCStickerView: UIView {
handlerView = self.flipYImageView
}

let previousMap = self.positionHandlerMap
self.positionHandlerMap.removeAll()
positionHandlerMap[position] = handler
for (key, value) in previousMap {
if key != position {
positionHandlerMap[key] = value
}
}

switch position {
case .topLeft:
handlerView.center = origin
Expand Down Expand Up @@ -370,18 +389,22 @@ open class RCStickerView: UIView {
public init(contentView: UIView) {
defaultInset = 11
defaultMinimumSize = 4 * defaultInset
_handleSize = 2 * defaultInset

let frame = CGRect(x: 0, y: 0, width: contentView.frame.width + defaultInset * 2, height: contentView.frame.height + defaultInset * 2)
super.init(frame: frame)
set(contentView: contentView)
initView()

positionVisibilityMap[.topLeft] = false
positionVisibilityMap[.topRight] = false
positionVisibilityMap[.bottomLeft] = false
positionVisibilityMap[.bottomRight] = false
}

public override init(frame: CGRect) {
super.init(frame: frame)
defaultInset = 11
defaultMinimumSize = 4 * defaultInset
initView()
commonInit()
}

required public init?(coder aDecoder: NSCoder) {
Expand Down Expand Up @@ -439,6 +462,18 @@ private extension RCStickerView {
self._minimumSize = defaultMinimumSize
}

func commonInit() {
defaultInset = 11
defaultMinimumSize = 4 * defaultInset
_handleSize = 2 * defaultInset
initView()

positionVisibilityMap[.topLeft] = false
positionVisibilityMap[.topRight] = false
positionVisibilityMap[.bottomLeft] = false
positionVisibilityMap[.bottomRight] = false
}

// MARK: - Gesture Handlers

@objc func handleMoveGesture(_ recognizer: UIPanGestureRecognizer) {
Expand All @@ -460,9 +495,9 @@ private extension RCStickerView {
private func onBeginMoving(_ recognizer: UIPanGestureRecognizer) {
var touchLocation: CGPoint
switch movingMode {
case .free, .insideSuperview:
case .free, .insideSuperview(_):
touchLocation = recognizer.location(in: self.superview)
case .inside(let view):
case .inside(let view, _):
touchLocation = recognizer.location(in: view)
}

Expand All @@ -480,48 +515,86 @@ private extension RCStickerView {
touchLocation = recognizer.location(in: self.superview)
x = beginningCenter.x + (touchLocation.x - beginningPoint.x)
y = beginningCenter.y + (touchLocation.y - beginningPoint.y)
case .insideSuperview:
case .insideSuperview(let ignoreHandler):
touchLocation = recognizer.location(in: self.superview)
x = beginningCenter.x + (touchLocation.x - beginningPoint.x)
y = beginningCenter.y + (touchLocation.y - beginningPoint.y)

if x < frame.width / 2 {
x = frame.width / 2
var topPadding: CGFloat = 0
var leftPadding: CGFloat = 0
var rightPadding: CGFloat = 0
var bottomPadding: CGFloat = 0
if ignoreHandler {
if positionVisibilityMap[.topLeft]! || positionVisibilityMap[.topRight]! {
topPadding = _handleSize
}
if positionVisibilityMap[.topLeft]! || positionVisibilityMap[.bottomLeft]! {
leftPadding = _handleSize
}
if positionVisibilityMap[.bottomRight]! || positionVisibilityMap[.topRight]! {
rightPadding = _handleSize
}
if positionVisibilityMap[.bottomRight]! || positionVisibilityMap[.bottomLeft]! {
bottomPadding = _handleSize
}
}

if x < frame.width / 2 - leftPadding {
x = frame.width / 2 - leftPadding
}

if y < frame.height / 2 {
y = frame.height / 2
if y < frame.height / 2 - topPadding {
y = frame.height / 2 - topPadding
}

let superview = self.superview ?? self.window
if let superview = superview {
if x > superview.frame.width - frame.width / 2 {
x = superview.frame.width - frame.width / 2
if x > superview.frame.width - frame.width / 2 + rightPadding {
x = superview.frame.width - frame.width / 2 + rightPadding
}

if y > superview.frame.height - frame.height / 2 {
y = superview.frame.height - frame.height / 2
if y > superview.frame.height - frame.height / 2 + bottomPadding {
y = superview.frame.height - frame.height / 2 + bottomPadding
}
}
case .inside(let view):
case .inside(let view, let ignoreHandler):
touchLocation = recognizer.location(in: view)
x = beginningCenter.x + (touchLocation.x - beginningPoint.x)
y = beginningCenter.y + (touchLocation.y - beginningPoint.y)

if x < frame.width / 2 {
x = frame.width / 2
var topPadding: CGFloat = 0
var leftPadding: CGFloat = 0
var rightPadding: CGFloat = 0
var bottomPadding: CGFloat = 0
if ignoreHandler {
if positionVisibilityMap[.topLeft]! || positionVisibilityMap[.topRight]! {
topPadding = _handleSize
}
if positionVisibilityMap[.topLeft]! || positionVisibilityMap[.bottomLeft]! {
leftPadding = _handleSize
}
if positionVisibilityMap[.bottomRight]! || positionVisibilityMap[.topRight]! {
rightPadding = _handleSize
}
if positionVisibilityMap[.bottomRight]! || positionVisibilityMap[.bottomLeft]! {
bottomPadding = _handleSize
}
}

if x < frame.width / 2 - leftPadding {
x = frame.width / 2 - leftPadding
}

if y < frame.height / 2 {
y = frame.height / 2
if y < frame.height / 2 - topPadding {
y = frame.height / 2 - topPadding
}

if x > view.frame.width - frame.width / 2 {
x = view.frame.width - frame.width / 2
if x > view.frame.width - frame.width / 2 + rightPadding {
x = view.frame.width - frame.width / 2 + rightPadding
}

if y > view.frame.height - frame.height / 2 {
y = view.frame.height - frame.height / 2
if y > view.frame.height - frame.height / 2 + bottomPadding {
y = view.frame.height - frame.height / 2 + bottomPadding
}
}

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