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use GrowingTextViewHandler in a table view cell
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43 changes: 43 additions & 0 deletions
43
GrowingTextViewHandler/GrowingTextViewHandler/FormTableViewCell.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // | ||
| // FormTableViewCell.swift | ||
| // GrowingTextViewHandler | ||
| // | ||
| // Created by Susmita Horrow on 08/08/16. | ||
| // Copyright © 2016 hsusmita.com. All rights reserved. | ||
| // | ||
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| import UIKit | ||
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| protocol FormTableViewCellDelegate { | ||
| func formTableViewCell(formTableViewCell: FormTableViewCell, shouldChangeHeight height: CGFloat) | ||
| } | ||
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| class FormTableViewCell: UITableViewCell { | ||
| @IBOutlet weak var textView: UITextView! | ||
| private var handler: GrowingTextViewHandler? | ||
| var delegate: FormTableViewCellDelegate? | ||
| @IBOutlet weak var heightConstraint: NSLayoutConstraint! | ||
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| override func awakeFromNib() { | ||
| super.awakeFromNib() | ||
| handler = GrowingTextViewHandler(textView: self.textView, heightConstraint: self.heightConstraint) | ||
| handler?.minimumNumberOfLines = 2 | ||
| handler?.maximumNumberOfLines = 6 | ||
| handler?.setText("", animated: false) | ||
| // handler?.setText("Lorem ipsum dolor sit er elit lamet, consectetaur cillium adipisicing pecu, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Nam liber te conscient to factor tum poen legum odioque civiuda.", animated: false) | ||
| } | ||
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| override func setSelected(selected: Bool, animated: Bool) { | ||
| super.setSelected(selected, animated: animated) | ||
| // Configure the view for the selected state | ||
| } | ||
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| func textViewDidChange(textView: UITextView) { | ||
| let oldFrame = textView.frame | ||
| self.handler?.resizeTextView(animated:true) | ||
| let currentFrame = textView.frame | ||
| if oldFrame.height != currentFrame.height { | ||
| delegate?.formTableViewCell(self, shouldChangeHeight: textView.frame.height) | ||
| } | ||
| } | ||
| } |
42 changes: 42 additions & 0 deletions
42
GrowingTextViewHandler/GrowingTextViewHandler/FormViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // | ||
| // FormViewController.swift | ||
| // GrowingTextViewHandler | ||
| // | ||
| // Created by Susmita Horrow on 08/08/16. | ||
| // Copyright © 2016 hsusmita.com. All rights reserved. | ||
| // | ||
|
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| import UIKit | ||
|
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| class FormViewController: UIViewController { | ||
| @IBOutlet weak var tableView: UITableView! | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
| tableView.estimatedRowHeight = 50.0 | ||
| tableView.rowHeight = UITableViewAutomaticDimension | ||
| } | ||
| } | ||
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| extension FormViewController: UITableViewDataSource { | ||
| func numberOfSectionsInTableView(tableView: UITableView) -> Int { | ||
| return 1 | ||
| } | ||
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| func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { | ||
| return 1 | ||
| } | ||
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| func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { | ||
| let cell = tableView.dequeueReusableCellWithIdentifier("FormTableViewCellIdentifier") as? FormTableViewCell | ||
| cell?.delegate = self | ||
| return cell! | ||
| } | ||
| } | ||
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| extension FormViewController: FormTableViewCellDelegate { | ||
| func formTableViewCell(formTableViewCell: FormTableViewCell, shouldChangeHeight height: CGFloat) { | ||
| tableView.beginUpdates() | ||
| tableView.endUpdates() | ||
| } | ||
| } |
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