Sha256: 93c0b9f211935e96b4b3df7a6d2ddc1028c059c967e495659feb966fef66a45f
Contents?: true
Size: 877 Bytes
Versions: 23
Compression:
Stored size: 877 Bytes
Contents
# Autogrowing textarea.
class modularity.AutogrowTextArea extends modularity.Module
constructor: (container) ->
super
@textarea = @container[0]
@textarea.style.height = "auto"
@textarea.style.overflow = "hidden"
@container.keyup @grow
@container.focus @grow
@container.blur @grow
# How many characters per line.
@characters_per_line = this.textarea.cols
# The initial (minimal) number of rows.
@min_rows = this.textarea.rows
@grow()
# Sets the height of the textarea according to the content.
grow: =>
@textarea.rows = Math.max modularity.AutogrowTextArea.lines(@characters_per_line, @textarea.value), @min_rows
# Returns the number of lines
@lines: (width, text) ->
lines_count = 0
lines = text.split(/\n/)
lines_count += Math.floor((line.length / width) + 1) for line in lines
lines_count
Version data entries
23 entries across 23 versions & 1 rubygems