106 lines
3.1 KiB
CoffeeScript
106 lines
3.1 KiB
CoffeeScript
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((w) ->
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w.gl ?= {}
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w.gl.text ?= {}
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gl.text.randomString = -> Math.random().toString(36).substring(7)
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gl.text.replaceRange = (s, start, end, substitute) ->
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s.substring(0, start) + substitute + s.substring(end);
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gl.text.selectedText = (text, textarea) ->
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text.substring(textarea.selectionStart, textarea.selectionEnd)
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gl.text.lineBefore = (text, textarea) ->
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split = text.substring(0, textarea.selectionStart).trim().split('\n')
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split[split.length - 1]
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gl.text.lineAfter = (text, textarea) ->
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text.substring(textarea.selectionEnd).trim().split('\n')[0]
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gl.text.blockTagText = (text, textArea, blockTag, selected) ->
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lineBefore = @lineBefore(text, textArea)
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lineAfter = @lineAfter(text, textArea)
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if lineBefore is blockTag and lineAfter is blockTag
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# To remove the block tag we have to select the line before & after
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if blockTag?
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textArea.selectionStart = textArea.selectionStart - (blockTag.length + 1)
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textArea.selectionEnd = textArea.selectionEnd + (blockTag.length + 1)
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selected
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else
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"#{blockTag}\n#{selected}\n#{blockTag}"
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gl.text.insertText = (textArea, text, tag, blockTag, selected, wrap) ->
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selectedSplit = selected.split('\n')
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startChar = if not wrap and textArea.selectionStart > 0 then '\n' else ''
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if selectedSplit.length > 1 and (not wrap or blockTag?)
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if blockTag?
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insertText = @blockTagText(text, textArea, blockTag, selected)
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else
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insertText = selectedSplit.map((val) ->
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if val.indexOf(tag) is 0
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"#{val.replace(tag, '')}"
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else
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"#{tag}#{val}"
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).join('\n')
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else
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insertText = "#{startChar}#{tag}#{selected}#{if wrap then tag else ' '}"
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if document.queryCommandSupported('insertText')
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inserted = document.execCommand 'insertText', false, insertText
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unless inserted
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try
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document.execCommand("ms-beginUndoUnit")
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textArea.value = @replaceRange(
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text,
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textArea.selectionStart,
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textArea.selectionEnd,
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insertText)
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try
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document.execCommand("ms-endUndoUnit")
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@moveCursor(textArea, tag, wrap)
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gl.text.moveCursor = (textArea, tag, wrapped) ->
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return unless textArea.setSelectionRange
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if textArea.selectionStart is textArea.selectionEnd
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if wrapped
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pos = textArea.selectionStart - tag.length
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else
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pos = textArea.selectionStart
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textArea.setSelectionRange pos, pos
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gl.text.updateText = (textArea, tag, blockTag, wrap) ->
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$textArea = $(textArea)
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oldVal = $textArea.val()
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textArea = $textArea.get(0)
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text = $textArea.val()
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selected = @selectedText(text, textArea)
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$textArea.focus()
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@insertText(textArea, text, tag, blockTag, selected, wrap)
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gl.text.init = (form) ->
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self = @
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$('.js-md', form)
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.off 'click'
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.on 'click', ->
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$this = $(@)
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self.updateText(
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$this.closest('.md-area').find('textarea'),
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$this.data('md-tag'),
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$this.data('md-block'),
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not $this.data('md-prepend')
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)
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gl.text.removeListeners = (form) ->
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$('.js-md', form).off()
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) window
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