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Add info bubble for start button and show bubbles only a limited numb…
…er of times.
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61 changes: 61 additions & 0 deletions
61
phyphox-iOS/phyphox/UI/MainView/ExperimentView/HintBubbleViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // | ||
| // HintBubbleViewController.swift | ||
| // phyphox | ||
| // | ||
| // Created by Sebastian Staacks on 29.05.19. | ||
| // Copyright © 2019 RWTH Aachen. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
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| class HintBubbleViewController: UIViewController, UIPopoverPresentationControllerDelegate, UIGestureRecognizerDelegate { | ||
| let callback: () -> Void | ||
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| init(text: String, onDismiss: @escaping () -> Void, button: UIBarButtonItem, source: UIView, delegate: UIPopoverPresentationControllerDelegate) { | ||
| self.callback = onDismiss | ||
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| super.init(nibName: nil, bundle: nil) | ||
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| let label = UILabel() | ||
| label.text = text | ||
| label.lineBreakMode = .byWordWrapping | ||
| label.numberOfLines = 0 | ||
| label.font = UIFont.preferredFont(forTextStyle: UIFontTextStyle.body) | ||
| label.textColor = kDarkBackgroundColor | ||
| let maxSize = CGSize(width: 250, height: 250) | ||
| label.frame.size = label.sizeThatFits(maxSize) | ||
| label.frame = label.frame.offsetBy(dx: 10, dy: 10) | ||
| let paddedFrame = label.frame.insetBy(dx: -10, dy: -10) | ||
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| self.view.addSubview(label) | ||
| self.preferredContentSize = paddedFrame.size | ||
| self.modalPresentationStyle = .popover | ||
| guard let pc = self.popoverPresentationController else { | ||
| print("Bubble error: Could not get popoverPresentationController") | ||
| return | ||
| } | ||
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| pc.permittedArrowDirections = .any | ||
| pc.barButtonItem = button | ||
| pc.sourceView = source | ||
| pc.delegate = delegate | ||
|
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| let tapHandler = UITapGestureRecognizer.init(target: self, action: #selector(closeHint)) | ||
| tapHandler.delegate = self | ||
| tapHandler.numberOfTapsRequired = 1 | ||
| self.view.isUserInteractionEnabled = true | ||
| self.view.addGestureRecognizer(tapHandler) | ||
| } | ||
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| required init?(coder aDecoder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| @objc func closeHint(_ sender: UITapGestureRecognizer? = nil) { | ||
| self.dismiss(animated: true, completion: nil) | ||
| } | ||
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| override func viewDidDisappear(_ animated: Bool) { | ||
| callback() | ||
| } | ||
| } |