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added text as a custom type, more tests are working

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DadaMonad
2015-02-23 11:41:04 +00:00
parent 860934de06
commit 2e9f8f6d03
22 changed files with 2604 additions and 2255 deletions
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0
lib/Types/List.coffee Normal file
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3
lib/Types/Object.coffee
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@@ -55,6 +55,9 @@ class YObject
res[n] = v
res
delete: (name)->
@_model.delete(name)
if window?
if window.Y?
window.Y.Object = YObject

306
lib/Types/Text.coffee Normal file
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@@ -0,0 +1,306 @@
#
# Handles a String-like data structures with support for insert/delete at a word-position.
# @note Currently, only Text is supported!
#
class YText
#
# @private
# @param {Object} uid A unique identifier. If uid is undefined, a new uid will be created.
#
constructor: (text)->
@textfields = []
if not text?
@_text = ""
else if text.constructor is String
@_text = text
else
throw new Error "Y.Text expects a String as a constructor"
_name: "Text"
_getModel: (types, ops)->
if not @_model?
@_model = new ops.ListManager(@).execute()
@insert 0, @_text
delete @_text
@_model
_setModel: (@_model)->
delete @_text
#
# Get the String-representation of this word.
# @return {String} The String-representation of this object.
#
val: ()->
@_model.fold "", (left, o)->
left + o.val()
observe: ()->
@_model.observe.apply @_model, arguments
unobserve: ()->
@_model.unobserve.apply @_model, arguments
#
# Same as String.val
# @see String.val
#
toString: ()->
@val()
#
# Inserts a string into the word.
#
# @return {ListManager Type} This String object.
#
insert: (position, content)->
if content.constructor isnt String
throw new Error "Y.String.insert expects a String as the second parameter!"
if typeof position isnt "number"
throw new Error "Y.String.insert expects a Number as the second parameter!"
if content.length > 0
ith = @_model.getOperationByPosition position
# the (i-1)th character. e.g. "abc" the 1th character is "a"
# the 0th character is the left Delimiter
@_model.insertAfter ith, content
delete: (position, length)->
@_model.delete position, length
#
# Bind this String to a textfield or input field.
#
# @example
# var textbox = document.getElementById("textfield");
# y.bind(textbox);
#
bind: (textfield, dom_root)->
dom_root ?= window
if (not dom_root.getSelection?)
dom_root = window
# don't duplicate!
for t in @textfields
if t is textfield
return
creator_token = false;
word = @
textfield.value = @val()
@textfields.push textfield
if textfield.selectionStart? and textfield.setSelectionRange?
createRange = (fix)->
left = textfield.selectionStart
right = textfield.selectionEnd
if fix?
left = fix left
right = fix right
{
left: left
right: right
}
writeRange = (range)->
writeContent word.val()
textfield.setSelectionRange range.left, range.right
writeContent = (content)->
textfield.value = content
else
createRange = (fix)->
range = {}
s = dom_root.getSelection()
clength = textfield.textContent.length
range.left = Math.min s.anchorOffset, clength
range.right = Math.min s.focusOffset, clength
if fix?
range.left = fix range.left
range.right = fix range.right
edited_element = s.focusNode
if edited_element is textfield or edited_element is textfield.childNodes[0]
range.isReal = true
else
range.isReal = false
range
writeRange = (range)->
writeContent word.val()
textnode = textfield.childNodes[0]
if range.isReal and textnode?
if range.left < 0
range.left = 0
range.right = Math.max range.left, range.right
if range.right > textnode.length
range.right = textnode.length
range.left = Math.min range.left, range.right
r = document.createRange()
r.setStart(textnode, range.left)
r.setEnd(textnode, range.right)
s = window.getSelection()
s.removeAllRanges()
s.addRange(r)
writeContent = (content)->
content_array = content.replace(new RegExp("\n",'g')," ").split(" ")
textfield.innerText = ""
for c, i in content_array
textfield.innerText += c
if i isnt content_array.length-1
textfield.innerHTML += '&nbsp;'
writeContent this.val()
@observe (events)->
for event in events
if not creator_token
if event.type is "insert"
o_pos = event.position
fix = (cursor)->
if cursor <= o_pos
cursor
else
cursor += 1
cursor
r = createRange fix
writeRange r
else if event.type is "delete"
o_pos = event.position
fix = (cursor)->
if cursor < o_pos
cursor
else
cursor -= 1
cursor
r = createRange fix
writeRange r
# consume all text-insert changes.
textfield.onkeypress = (event)->
if word.is_deleted
# if word is deleted, do not do anything ever again
textfield.onkeypress = null
return true
creator_token = true
char = null
if event.keyCode is 13
char = '\n'
else if event.key?
if event.charCode is 32
char = " "
else
char = event.key
else
char = window.String.fromCharCode event.keyCode
if char.length > 1
return true
else if char.length > 0
r = createRange()
pos = Math.min r.left, r.right
diff = Math.abs(r.right - r.left)
word.delete pos, diff
word.insert pos, char
r.left = pos + char.length
r.right = r.left
writeRange r
event.preventDefault()
creator_token = false
false
textfield.onpaste = (event)->
if word.is_deleted
# if word is deleted, do not do anything ever again
textfield.onpaste = null
return true
event.preventDefault()
textfield.oncut = (event)->
if word.is_deleted
# if word is deleted, do not do anything ever again
textfield.oncut = null
return true
event.preventDefault()
#
# consume deletes. Note that
# chrome: won't consume deletions on keypress event.
# keyCode is deprecated. BUT: I don't see another way.
# since event.key is not implemented in the current version of chrome.
# Every browser supports keyCode. Let's stick with it for now..
#
textfield.onkeydown = (event)->
creator_token = true
if word.is_deleted
# if word is deleted, do not do anything ever again
textfield.onkeydown = null
return true
r = createRange()
pos = Math.min(r.left, r.right, word.val().length)
diff = Math.abs(r.left - r.right)
if event.keyCode? and event.keyCode is 8 # Backspace
if diff > 0
word.delete pos, diff
r.left = pos
r.right = pos
writeRange r
else
if event.ctrlKey? and event.ctrlKey
val = word.val()
new_pos = pos
del_length = 0
if pos > 0
new_pos--
del_length++
while new_pos > 0 and val[new_pos] isnt " " and val[new_pos] isnt '\n'
new_pos--
del_length++
word.delete new_pos, (pos-new_pos)
r.left = new_pos
r.right = new_pos
writeRange r
else
if pos > 0
word.delete (pos-1), 1
r.left = pos-1
r.right = pos-1
writeRange r
event.preventDefault()
creator_token = false
return false
else if event.keyCode? and event.keyCode is 46 # Delete
if diff > 0
word.delete pos, diff
r.left = pos
r.right = pos
writeRange r
else
word.delete pos, 1
r.left = pos
r.right = pos
writeRange r
event.preventDefault()
creator_token = false
return false
else
creator_token = false
true
if window?
if window.Y?
window.Y.Text = YText
else
throw new Error "You must first import Y!"
if module?
module.exports = YText