class UILabel
Public Class Methods
label(text=nil, font=nil, size=nil)
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@example
UILabel.label('test') UILabel.label('test', another_label.font) UILabel.label('test', 'Helvetica') UILabel.label('test', 'Helvetica', 20)
# File lib/ios/sugarcube-factories/uilabel.rb, line 8 def self.label(text=nil, font=nil, size=nil) return new() if text.nil? font = font.uifont(size) if font.respond_to?(:uifont) label = self.alloc.initWithFrame([[0, 0], [0, 0]]) if text.is_a?(NSAttributedString) label.attributedText = text else label.text = text end if font label.font = font end label.backgroundColor = :clear.uicolor label.sizeToFit label end
Public Instance Methods
fit_to_size(max_size)
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forces the given text to fit inside the label's frame starting at a given font size
# File lib/ios/sugarcube-ui/uilabel.rb, line 4 def fit_to_size(max_size) #enforce word wrap self.lineBreakMode = NSLineBreakByWordWrapping dynamic_font = self.font.fontWithSize(max_size + 2) constraintSize = CGSizeMake(self.frame.size.width, 10000) # does it fit yet? begin dynamic_font = dynamic_font.fontWithSize(dynamic_font.pointSize - 2) current_size = self.text.sizeWithFont(dynamic_font, constrainedToSize:constraintSize, lineBreakMode: NSLineBreakByWordWrapping) end while self.frame.size.height <= current_size.height #now set to font size we have settled on self.font = dynamic_font end
sugarcube_to_s(options={})
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Calls superclass method
# File lib/ios/sugarcube-to_s/uilabel.rb, line 3 def sugarcube_to_s(options={}) text = self.text if text && text.length > 20 text = text[0..20] + '...' end super options.merge(inner: {text: text}) end