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| Original file line number | Diff line number | Diff line change |
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| @@ -1,6 +1,4 @@ | ||
| The MIT License (MIT) | ||
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| Copyright (c) 2015 Motokazu Sekine | ||
| Copyright (c) 2015 CHEEBOW <[email protected]> | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
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@@ -9,14 +7,13 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
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| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
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| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
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| # | ||
| # Be sure to run `pod lib lint PlaceholderTextView.podspec' to ensure this is a | ||
| # valid spec and remove all comments before submitting the spec. | ||
| # | ||
| # Any lines starting with a # are optional, but encouraged | ||
| # | ||
| # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html | ||
| # | ||
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| Pod::Spec.new do |s| | ||
| s.name = "PlaceholderTextView" | ||
| s.version = "0.1.0" | ||
| s.summary = "Add a placeholder to TextView." | ||
| s.description = <<-DESC | ||
| Add a placeholder to TextView. | ||
| DESC | ||
| s.homepage = "https://github.com/cheebow/PlaceholderTextView" | ||
| s.license = 'MIT' | ||
| s.author = { "CHEEBOW" => "[email protected]" } | ||
| s.source = { :git => "https://github.com/cheebow/PlaceholderTextView.git", :tag => s.version.to_s } | ||
| s.social_media_url = 'https://twitter.com/cheebow' | ||
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| s.platform = :ios, '8.0' | ||
| s.requires_arc = true | ||
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| s.source_files = 'Pod/Classes/**/*' | ||
| s.resource_bundles = { | ||
| 'PlaceholderTextView' => ['Pod/Assets/*.png'] | ||
| } | ||
| end |
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| // | ||
| // PlaceholderTextView.swift | ||
| // | ||
| // Created by CHEEBOW on 2015/07/24. | ||
| // Copyright (c) 2015年 CHEEBOW. All rights reserved. | ||
| // | ||
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| import UIKit | ||
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| class PlaceholderTextView: UITextView { | ||
| let PLACEHOLDER_LEFT_MARGIN: CGFloat = 4.0 | ||
| let PLACEHOLDER_TOP_MARGIN: CGFloat = 8.0 | ||
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| var placeholderLabel: UILabel = UILabel() | ||
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| var _placeholderColor: UIColor = UIColor.lightGrayColor() | ||
| var placeholderColor: UIColor { | ||
| set { | ||
| _placeholderColor = newValue | ||
| self.placeholderLabel.textColor = self.placeholderColor | ||
| } | ||
| get { | ||
| return _placeholderColor | ||
| } | ||
| } | ||
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| var _placeholder: String = "" | ||
| var placeholder: String { | ||
| set { | ||
| _placeholder = newValue | ||
| self.placeholderLabel.text = self.placeholder | ||
| self.placeholderSizeToFit() | ||
| } | ||
| get { | ||
| return _placeholder | ||
| } | ||
| } | ||
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| override var text: String! { | ||
| set { | ||
| super.text = newValue | ||
| self.textChanged(nil) | ||
| } | ||
| get { | ||
| return super.text | ||
| } | ||
| } | ||
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| override var font: UIFont! { | ||
| set { | ||
| super.font = newValue | ||
| self.placeholderLabel.font = newValue | ||
| self.placeholderSizeToFit() | ||
| } | ||
| get { | ||
| return super.font | ||
| } | ||
| } | ||
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| private func placeholderSizeToFit() { | ||
| self.placeholderLabel.frame = CGRectMake(PLACEHOLDER_LEFT_MARGIN, PLACEHOLDER_TOP_MARGIN, self.frame.width - PLACEHOLDER_LEFT_MARGIN * 2, 0.0) | ||
| self.placeholderLabel.sizeToFit() | ||
| } | ||
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| private func setup() { | ||
| self.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); | ||
| self.font = UIFont.systemFontOfSize(12.0) | ||
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| self.placeholderLabel.lineBreakMode = NSLineBreakMode.ByWordWrapping | ||
| self.placeholderLabel.numberOfLines = 0 | ||
| self.placeholderLabel.font = self.font | ||
| self.placeholderLabel.backgroundColor = UIColor.clearColor() | ||
| self.placeholderLabel.alpha = 1.0 | ||
| self.placeholderLabel.tag = 999 | ||
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| self.placeholderLabel.textColor = self.placeholderColor | ||
| self.placeholderLabel.text = self.placeholder | ||
| self.placeholderSizeToFit() | ||
| self.addSubview(placeholderLabel) | ||
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| self.sendSubviewToBack(placeholderLabel) | ||
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| let center = NSNotificationCenter.defaultCenter() | ||
| center.addObserver(self, selector: "textChanged:", name: UITextViewTextDidChangeNotification, object: nil) | ||
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| self.textChanged(nil) | ||
| } | ||
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| required init(coder aDecoder: NSCoder) { | ||
| super.init(coder: aDecoder) | ||
| self.setup() | ||
| } | ||
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| override init(frame: CGRect, textContainer: NSTextContainer?) { | ||
| super.init(frame: frame, textContainer: textContainer) | ||
| self.setup() | ||
| } | ||
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| convenience init() { | ||
| self.init(frame: CGRectZero, textContainer: nil) | ||
| } | ||
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| convenience init(frame: CGRect) { | ||
| self.init(frame: frame, textContainer: nil) | ||
| } | ||
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| deinit { | ||
| NSNotificationCenter.defaultCenter().removeObserver(self) | ||
| } | ||
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| override func awakeFromNib() { | ||
| super.awakeFromNib() | ||
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| self.setup() | ||
| } | ||
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| func textChanged(notification:NSNotification?) { | ||
| self.viewWithTag(999)?.alpha = self.text.isEmpty ? 1.0 : 0.0 | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,14 @@ | ||
| # PlaceholderTextView | ||
| ## Requirements | ||
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| - Swift 1.2+ | ||
| [](https://travis-ci.org/CHEEBOW/PlaceholderTextView) | ||
| [](http://cocoapods.org/pods/PlaceholderTextView) | ||
| [](http://cocoapods.org/pods/PlaceholderTextView) | ||
| [](http://cocoapods.org/pods/PlaceholderTextView) | ||
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| ## Usage | ||
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| To run the example project, clone the repo, and run `pod install` from the Example directory first. | ||
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| ```swift | ||
| let placeholderTextView = PlaceholderTextView() | ||
| let frame = CGRectMake(0.0, 20.0, 320.0, 100.0) | ||
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@@ -13,3 +17,24 @@ placeholderTextView.placeholder = "Placeholder Text" | |
| placeholderTextView.placeholderColor = UIColor.lightGrayColor() | ||
| self.view.addSubview(placeholderTextView) | ||
| ``` | ||
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| ## Requirements | ||
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| - Swift 1.2+ | ||
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| ## Installation | ||
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| PlaceholderTextView is available through [CocoaPods](http://cocoapods.org). To install | ||
| it, simply add the following line to your Podfile: | ||
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| ```ruby | ||
| pod "PlaceholderTextView" | ||
| ``` | ||
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| ## Author | ||
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| CHEEBOW, [email protected] | ||
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| ## License | ||
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| PlaceholderTextView is available under the MIT license. See the LICENSE file for more info. | ||