Show generated passwords with colors

This commit is contained in:
yishilin14 2017-02-26 00:58:18 +08:00
parent 62db5da62f
commit 30ae32ec5f
3 changed files with 18 additions and 15 deletions

View file

@ -125,6 +125,19 @@ class Utils {
}
}
}
static func attributedPassword(plainPassword: String) -> NSAttributedString{
let attributedPassword = NSMutableAttributedString.init(string: plainPassword)
// draw all digits in the password into red
// draw all punctuation characters in the password into blue
for (index, element) in plainPassword.unicodeScalars.enumerated() {
if NSCharacterSet.decimalDigits.contains(element) {
attributedPassword.addAttribute(NSForegroundColorAttributeName, value: Globals.red, range: NSRange(location: index, length: 1))
} else if NSCharacterSet.punctuationCharacters.contains(element) {
attributedPassword.addAttribute(NSForegroundColorAttributeName, value: Globals.blue, range: NSRange(location: index, length: 1))
}
}
return attributedPassword
}
}
// https://gist.github.com/NikolaiRuhe/eeb135d20c84a7097516

View file

@ -23,14 +23,15 @@ class FillPasswordTableViewCell: ContentTableViewCell {
}
@IBAction func generatePassword(_ sender: UIButton) {
contentTextField.text = Utils.randomString(length: 16)
let plainPassword = Utils.randomString(length: 16)
contentTextField.attributedText = Utils.attributedPassword(plainPassword: plainPassword)
}
override func getContent() -> String? {
return contentTextField.text
return contentTextField.attributedText?.string
}
override func setContent(content: String) {
contentTextField.text = content
contentTextField.attributedText = Utils.attributedPassword(plainPassword: content)
}
}

View file

@ -71,18 +71,7 @@ class LabelTableViewCell: UITableViewCell {
func revealPassword(_ sender: Any?) {
if let plainPassword = cellData?.content {
let attributePassword = NSMutableAttributedString.init(string: plainPassword)
// draw all digits in the password into red
// draw all punctuation characters in the password into blue
for (index, element) in plainPassword.unicodeScalars.enumerated() {
if NSCharacterSet.decimalDigits.contains(element) {
attributePassword.addAttribute(NSForegroundColorAttributeName, value: Globals.red, range: NSRange(location: index, length: 1))
} else if NSCharacterSet.punctuationCharacters.contains(element) {
attributePassword.addAttribute(NSForegroundColorAttributeName, value: Globals.blue, range: NSRange(location: index, length: 1))
}
}
// set contentLabel
contentLabel.attributedText = attributePassword
contentLabel.attributedText = Utils.attributedPassword(plainPassword: plainPassword)
} else {
contentLabel.text = ""
}