added helpers methods to layoutconstrainable

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Protocols/LayoutConstraintable.swift

@@ -631,6 +631,130 @@ extension LayoutConstraintable {
         return centerYAnchor.constraint(greaterThanOrEqualTo: found, constant: -constant).with { $0.priority = priority; $0.isActive = true }
     }
 }
+
+// alignment
+public enum LayoutAlignment: String, CaseIterable {
+    case fill
+    case leading
+    case top
+    case center
+    case trailing
+    case bottom
+}
+
+public enum LayoutDistribution: String, CaseIterable {
+    case fill
+    case fillProportionally
+}
+
+extension LayoutConstraintable {
+    public func removeConstraints() {
+        guard let view = self as? UIView, let superview = view.superview else { return }
+        
+        // Remove all existing constraints on the containerView
+        let superviewConstraints = superview.constraints
+        for constraint in superviewConstraints {
+            if constraint.firstItem as? UIView == view
+                || constraint.secondItem as? UIView == view {
+                superview.removeConstraint(constraint)
+            }
+        }
+    }
+    
+    public func applyAlignment(_ alignment: LayoutAlignment, edges: UIEdgeInsets = UIEdgeInsets.zero) {
+        guard let superview = superview else { return }
+        
+        removeConstraints()
+        
+        switch alignment {
+        case .fill:
+            pinToSuperView(edges)
+            
+        case .leading:
+            pinTop(edges.top)
+            pinLeading(edges.left)
+            pinTrailingLessThanOrEqualTo(anchor: superview.trailingAnchor, constant: edges.right)
+            pinBottom(edges.bottom)
+            
+        case .trailing:
+            pinTop(edges.top)
+            pinLeadingGreaterThanOrEqualTo(anchor: superview.leadingAnchor, constant: edges.left)
+            pinTrailing(edges.right)
+            pinBottom(edges.bottom)
+            
+        case .top:
+            pinTop(edges.top)
+            pinLeadingGreaterThanOrEqualTo(anchor: superview.leadingAnchor, constant: edges.left)
+            pinTrailingLessThanOrEqualTo(anchor: superview.trailingAnchor, constant: edges.right)
+            pinBottomLessThanOrEqualTo(anchor: superview.bottomAnchor, constant: edges.bottom)
+
+        case .bottom:
+            pinTopGreaterThanOrEqualTo(anchor: superview.topAnchor, constant: edges.top)
+            pinLeadingGreaterThanOrEqualTo(anchor: superview.leadingAnchor, constant: edges.left)
+            pinTrailingLessThanOrEqualTo(anchor: superview.trailingAnchor, constant: edges.right)
+            pinBottom(edges.bottom)
+            
+        case .center:
+            pinCenterX()
+            pinTop(edges.top)
+            pinLeadingGreaterThanOrEqualTo(anchor: superview.leadingAnchor, constant: edges.left)
+            pinTrailingLessThanOrEqualTo(anchor: superview.trailingAnchor, constant: edges.right)
+            pinBottom(edges.bottom)
+
+        }
+    }
+    
+    // Method to check if the view is pinned to its superview
+    public func isPinnedToSuperview() -> Bool {
+        isPinnedVerticallyToSuperview() && isPinnedHorizontallyToSuperview()
+    }
+    
+    public func isPinnedHorizontallyToSuperview() -> Bool {
+        guard let view = self as? UIView, let superview = view.superview else { return false }
+        let constraints = superview.constraints
+        var leadingPinned = false
+        var trailingPinned = false
+       
+        for constraint in constraints {
+            if (constraint.firstItem as? UIView == view && constraint.firstAttribute == .leading && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .leading && constraint.relation == .equal && constraint.firstItem as? UIView == superview) ||
+               (constraint.firstItem as? UIView == view && constraint.firstAttribute == .left && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .left && constraint.relation == .equal && constraint.firstItem as? UIView == superview) {
+                leadingPinned = true
+            }
+            if (constraint.firstItem as? UIView == view && constraint.firstAttribute == .trailing && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .trailing && constraint.relation == .equal && constraint.firstItem as? UIView == superview) ||
+               (constraint.firstItem as? UIView == view && constraint.firstAttribute == .right && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .right && constraint.relation == .equal && constraint.firstItem as? UIView == superview) {
+                trailingPinned = true
+            }
+        }
+       
+        return leadingPinned && trailingPinned
+    }
+
+    public func isPinnedVerticallyToSuperview() -> Bool {
+        guard let view = self as? UIView, let superview = view.superview else { return false }
+        let constraints = superview.constraints
+        var topPinned = false
+        var bottomPinned = false
+       
+        for constraint in constraints {
+            if (constraint.firstItem as? UIView == view && constraint.firstAttribute == .top && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .top && constraint.relation == .equal && constraint.firstItem as? UIView == superview) {
+                topPinned = true
+            }
+            if (constraint.firstItem as? UIView == view && constraint.firstAttribute == .bottom && constraint.relation == .equal && constraint.secondItem as? UIView == superview) ||
+               (constraint.secondItem as? UIView == view && constraint.secondAttribute == .bottom && constraint.relation == .equal && constraint.firstItem as? UIView == superview) {
+                bottomPinned = true
+            }
+        }
+       
+        return topPinned && bottomPinned
+    }
+}
+
+
 //--------------------------------------------------
 // MARK: - Implementations
 //--------------------------------------------------