class HtmlEditor(html5.Textarea):
initSources = False
def __init__(self, *args, **kwargs):
super(HtmlEditor, self).__init__(*args, **kwargs)
self.value = ""
self.summernote = None
self.enabled = True
self.summernoteContainer = self
self.boneName = ""
self._attachSources()
def _attachSources(self):
if not HtmlEditor.initSources:
print("initialize HTML Editor libraries")
js = html5.Script()
js["src"] = "htmleditor/htmleditor.min.js"
html5.Head().appendChild(js)
css = html5.Link()
css["rel"] = "stylesheet"
css["href"] = "htmleditor/htmleditor.min.css"
html5.Head().appendChild(css)
HtmlEditor.initSources = True
def _attachSummernote(self, retry=0):
elem = self.summernoteContainer.element
lang = conf["currentlanguage"]
try:
self.summernote = JS("""window.top.summernoteEditor(@{{elem}}, @{{lang}})""")
except:
if retry >= 3:
alert("Unable to connect summernote, please contact technical support...")
return
print("Summernote initialization failed, retry will start in 1sec")
network.DeferredCall(self._attachSummernote, retry=retry + 1, _delay=1000)
return
imagebtn = TextInsertImageAction(summernote=self.summernote, boneName=self.boneName)
self.parent().appendChild(imagebtn)
self.summernote.on("summernote.change", self.onEditorChange)
if not self.enabled:
self.summernote.summernote("disable")
if self.value:
self["value"] = self.value
def onAttach(self):
super(HtmlEditor, self).onAttach()
if self.summernote:
return
self._attachSummernote()
self.element.setAttribute("data-bonename", self.boneName)
def onDetach(self):
super(HtmlEditor, self).onDetach()
self.value = self["value"]
if self.summernote:
self.summernote.summernote("destroy")
self.summernote = None
def onEditorChange(self, e, *args, **kwargs):
if self.parent():
e = JS("new Event('keyup')")
self.parent().element.dispatchEvent(e)
def _getValue(self):
if not self.summernote:
return self.value
ret = self.summernote.summernote("code")
return ret
def _setValue(self, val):
if not self.summernote:
self.value = val
return
self.summernote.summernote("reset") # reset history and content
self.summernote.summernote("code", val)
def enable(self):
super(HtmlEditor, self).enable()
self.enabled = True
self.removeClass("is-disabled")
if self.summernote:
self.summernote.summernote("enable")
def disable(self):
super(HtmlEditor, self).disable()
self.enabled = False
self.addClass("is-disabled")
if self.summernote:
self.summernote.summernote("disable")
