104 lines
3.8 KiB
Swift
104 lines
3.8 KiB
Swift
//
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// MoleculeStackTemplate.swift
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// MVMCoreUI
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//
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// Created by Scott Pfeil on 2/11/19.
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// Copyright © 2019 Verizon Wireless. All rights reserved.
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//
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import UIKit
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open class MoleculeStackTemplate: ThreeLayerViewController, TemplateProtocol {
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public func validate() {
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}
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public var formValidator: FormValidator?
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var observer: NSKeyValueObservation?
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public var templateModel: StackPageTemplateModel?
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open override func parsePageJSON(_ error: NSErrorPointer) {
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do {
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try parseTemplateJSON()
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} catch let parseError {
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error?.pointee = parseError as NSError
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}
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}
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open override var loadObject: MVMCoreLoadObject? {
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didSet {
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if loadObject != oldValue {
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updateRequiredModules()
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observer?.invalidate()
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if let newObject = loadObject {
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observer = newObject.observe(\MVMCoreLoadObject.pageJSON, options: [.old, .new]) { [weak self] (object, change) in
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self?.updateRequiredModules()
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}
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}
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}
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}
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}
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open override func spaceBetweenTopAndMiddle() -> CGFloat? {
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return 0
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}
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open override func viewForTop() -> UIView? {
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guard let headerModel = templateModel?.header,
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let molecule = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(headerModel, delegateObject() as? MVMCoreUIDelegateObject, false) else {
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return nil
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}
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return molecule
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}
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open override func viewForMiddle() -> UIView? {
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guard let moleculeStackModel = templateModel?.moleculeStack else {
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return nil
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}
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let stack = MoleculeStackView(frame: .zero)
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moleculeStackModel.useStackSpacingBeforeFirstItem = true
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moleculeStackModel.useHorizontalMargins = true
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stack.set(with: moleculeStackModel, delegateObject() as? MVMCoreUIDelegateObject, nil)
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return stack
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}
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override open func viewForBottom() -> UIView? {
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guard let footerModel = templateModel?.footer,
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let molecule = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(footerModel, delegateObject() as? MVMCoreUIDelegateObject, false) else {
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return nil
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}
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return molecule
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}
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// MARK: - cache handling
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open override func pageTypesToListenFor() -> [Any]? {
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guard let pageType = self.pageType else {
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return super.pageTypesToListenFor()
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}
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return [pageType]
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}
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open override func modulesToListenFor() -> [Any]? {
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return loadObject?.requestParameters?.modules
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}
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/// Adds modules from requiredModules() to the MVMCoreViewControllerMapping.requiredModules map.
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open func updateRequiredModules() {
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if let requiredModules = requiredModules(), let pageType = pageType {
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MVMCoreViewControllerMappingObject.shared()?.addRequiredModules(toMapping: requiredModules, forPageType: pageType)
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}
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}
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/// Gets modules required by the loadObject.pageJSON.
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open func requiredModules() -> [Any]? {
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let modules: NSMutableArray = []
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let delegate = delegateObject() as? MVMCoreUIDelegateObject
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MVMCoreUIMoleculeMappingObject.addRequiredModules(forJSON: loadObject?.pageJSON?.optionalDictionaryForKey("header"), delegateObject: delegate, moduleList: modules, errorList: nil)
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MVMCoreUIMoleculeMappingObject.addRequiredModules(forJSON: loadObject?.pageJSON?.optionalDictionaryForKey("footer"), delegateObject: delegate, moduleList: modules, errorList: nil)
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MVMCoreUIMoleculeMappingObject.addRequiredModules(forJSON: loadObject?.pageJSON?.optionalDictionaryForKey("stack"), delegateObject: delegate, moduleList: modules, errorList: nil)
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return modules as? [Any]
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}
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}
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