def myKeyDown(self, event):
if event.keyCode == 37: # left arrow
sel = self.get_col()
if sel < 1:
event.preventDefault()
event.stopPropagation()
elif event.keyCode == 36: # line start
window.getSelection().collapseToStart()
event.preventDefault()
elif event.keyCode == 38: # up
if self.current > 0:
pass
# remove current line
# set_element_value(element_value()[:len(PROMPT)])
# current -= 1
# append_to_element(history[current])
event.preventDefault()
elif event.keyCode == 40: # down
if self.current < len(self.history) - 1:
pass
# pos = element.selectionStart
# col = get_col(element)
# # remove current line
# set_element_value(element_value()[:pos - col + 4])
# current += 1
# append_to_element(history[current])
event.preventDefault()
elif event.keyCode == 8: # backspace
sel = self.get_col()
if sel < 1:
event.preventDefault()
event.stopPropagation()
def cursorToEnd(self, event=None):
_range = doc.createRange()
_range.selectNodeContents(self.element)
_range.collapse(False)
selection = window.getSelection()
selection.removeAllRanges()
selection.addRange(_range)
def focus(ev):
"""Cell gets focus"""
# save initial value in case user hits the Escape key
selected.initial = ev.target.text
# set position cursor at text end
_range = document.createRange()
sel = window.getSelection()
if len(selected.childNodes):
_range.setStart(selected.firstChild, len(ev.target.text))
_range.collapse(True)
sel.removeAllRanges()
sel.addRange(_range)
document["current"].text = ev.target.text
def focus(self, ev):
"""Cell gets focus"""
# save initial value in case user hits the Escape key
self.initial = self.text
# set position cursor at text end
_range = document.createRange()
sel = window.getSelection()
if len(self.childNodes):
_range.setStart(self.firstChild, len(self.text))
_range.collapse(True)
sel.removeAllRanges()
sel.addRange(_range)
document["current"].text = self.text
def keydown(self, evt):
if evt.keyCode == 9: # tab
evt.preventDefault()
sel = window.getSelection()
start = self.editor.selectionStart
end = self.editor.selectionEnd
self.editor.value = (self.editor.value[:start] + " " +
editor.value[end:])
elif evt.keyCode == 13:
start = self.editor.selectionStart
line = self.editor.value[:start].split("\n")[-1]
self.indent = len(line) - len(line.lstrip())
if line.rstrip().endswith(":"):
self.indent += 4
def insertTextAtCursor(self, text):
try:
sel = window.getSelection()
_range = sel.getRangeAt(0)
_range.deleteContents()
_range.insertNode(doc.createTextNode(text))
except:
pass
try:
doc.selection.createRange().text = text
except:
pass
self.cursorToEnd()
def get_col(self):
# returns the column num of cursor
# it counts after hte <span>, we do -1
# because the prompt has a space after it
_range = window.getSelection().getRangeAt(0)
return _range.startOffset - 1