Sha256: 17cf9653ae7187f0b6f192edcf774e7f841a7060c4949c1e08b03360b56c5807
Contents?: true
Size: 1.97 KB
Versions: 36
Compression:
Stored size: 1.97 KB
Contents
# This class have some modifications for UITextView:
# * support padding, padding_left, padding_right options
# * support placeholder, placeholder_color, placeholder_font options
class MPTextView < UITextView
include MotionPrime::SupportKeyValueStore
include MotionPrime::SupportPaddingAttribute
attr_accessor :placeholderColor, :placeholderFont, :placeholder
def self.default_padding_left
5
end
def self.default_padding_right
5
end
def drawPadding(rect)
# add padding to UITextView
self.textContainer.lineFragmentPadding = 0 # left/right
self.textContainerInset = self.padding_insets
end
def drawPlaceholder(rect)
padding = UIEdgeInsetsMake(
padding_top, padding_left,
padding_bottom, padding_right
)
if self.placeholder && self.text.blank?
color = self.placeholderColor || :gray.uicolor
color.setFill
font = self.placeholderFont || self.font || :system.uifont(16)
color.setFill
rect = CGRectMake(
rect.origin.x + padding_left,
rect.origin.y + padding_top,
self.frame.size.width - padding_left,
self.frame.size.height - padding_top
)
placeholder.drawInRect(rect, withFont: font)
end
end
def drawRect(rect)
drawPadding(rect)
drawPlaceholder(rect)
super
end
def initPlaceholder
NSNotificationCenter.defaultCenter.addObserver(self,
selector: :textChanged, name: UITextViewTextDidChangeNotification, object: self
)
@shouldDrawPlaceholder = placeholder && self.text.blank?
end
def textChanged
updatePlaceholderDraw
end
def updatePlaceholderDraw
prev = @shouldDrawPlaceholder
@shouldDrawPlaceholder = placeholder && self.text.blank?
if prev != @shouldDrawPlaceholder
self.setNeedsDisplay
end
end
# custom initializer
def initWithCoder(aDecoder)
if super
initPlaceholder
end
self
end
def initWithFrame(frame)
if super
initPlaceholder
end
self
end
end
Version data entries
36 entries across 36 versions & 1 rubygems