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widgets.py
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# coding:utf-8
from django import forms
from django.conf import settings
from django.contrib.admin.widgets import AdminTextareaWidget
from django.template.loader import render_to_string
from django.utils.safestring import mark_safe
from django.utils.http import urlencode
# import settings as USettings
from . import settings as uSettings
from .commands import *
# 修正输入的文件路径,输入路径的标准格式：abc,不需要前后置的路径符号
# 如果输入的路径参数是一个函数则执行，否则可以拉接受时间格式化，用来生成如file20121208.bmp的重命名格式
def calc_path(OutputPath, instance=None):
if callable(OutputPath):
try:
OutputPath = OutputPath(instance)
except:
OutputPath = ""
else:
try:
import datetime
OutputPath = datetime.datetime.now().strftime(OutputPath)
except:
pass
return OutputPath
# width=600, height=300, toolbars="full", imagePath="", filePath="", upload_settings={},
# settings={},command=None,event_handler=None
class UEditorWidget(forms.Textarea):
def __init__(self, attrs=None):
params = attrs.copy()
width = params.pop("width")
height = params.pop("height")
toolbars = params.pop("toolbars", "full")
imagePath = params.pop("imagePath", "")
filePath = params.pop("filePath", "")
upload_settings = params.pop("upload_settings", {})
settings = params.pop("settings", {})
command = params.pop("command", None)
event_handler = params.pop("event_handler", None)
# 扩展命令
self.command = command
self.event_handler = event_handler
# 上传路径
self.upload_settings = upload_settings.copy()
self.upload_settings.update({
"imagePathFormat": imagePath,
"filePathFormat": filePath
})
# 保存
self._upload_settings = self.upload_settings.copy()
self.recalc_path(None)
self.ueditor_settings = {
'toolbars': toolbars,
'initialFrameWidth': width,
'initialFrameHeight': height
}
# 以下处理工具栏设置，将normal,mini等模式名称转化为工具栏配置值
try:
if isinstance(toolbars, str):
if toolbars == "full":
del self.ueditor_settings['toolbars']
else:
self.ueditor_settings[
"toolbars"] = USettings.TOOLBARS_SETTINGS[toolbars]
except:
pass
self.ueditor_settings.update(settings)
super(UEditorWidget, self).__init__(attrs)
# def recalc_path(self, model_inst):
# """计算上传路径,允许是function"""
# try:
# uSettings = self.upload_settings
# if self._upload_settings.get("filePathFormat", None):
# uSettings['filePathFormat'] = calc_path(
# self._upload_settings['filePathFormat'], model_inst)
# if self._upload_settings.get("imagePathFormat", None):
# uSettings['imagePathFormat'] = calc_path(
# self._upload_settings['imagePathFormat'], model_inst)
# if self._upload_settings.get("scrawlPathFormat", None):
# uSettings['scrawlPathFormat'] = calc_path(
# self._upload_settings['scrawlPathFormat'], model_inst)
# if self._upload_settings.get("videoPathFormat", None):
# uSettings['videoPathFormat'] = calc_path(
# self._upload_settings['videoPathFormat'], model_inst),
# if self._upload_settings.get("snapscreenPathFormat", None):
# uSettings['snapscreenPathFormat'] = calc_path(
# self._upload_settings['snapscreenPathFormat'], model_inst)
# if self._upload_settings.get("catcherPathFormat", None):
# uSettings['catcherPathFormat'] = calc_path(
# self._upload_settings['catcherPathFormat'], model_inst)
# if self._upload_settings.get("imageManagerListPath", None):
# uSettings['imageManagerListPath'] = calc_path(
# self._upload_settings['imageManagerListPath'], model_inst)
# if self._upload_settings.get("fileManagerListPath", None):
# uSettings['fileManagerListPath'] = calc_path(
# self._upload_settings['fileManagerListPath'], model_inst)
# # 设置默认值，未指定涂鸦、截图、远程抓图、图片目录时,默认均等于imagePath
# if uSettings['imagePathFormat'] != "":
# uSettings['scrawlPathFormat'] = uSettings['scrawlPathFormat'] if self._upload_settings.get(
# "scrawlPathFormat", None) else uSettings['imagePathFormat']
# uSettings['videoPathFormat'] = uSettings['videoPathFormat'] if self._upload_settings.get(
# "videoPathFormat", None) else uSettings['imagePathFormat']
# uSettings['snapscreenPathFormat'] = uSettings['snapscreenPathFormat'] if self._upload_settings.get(
# "snapscreenPathFormat", None) else uSettings['imagePathFormat']
# uSettings['catcherPathFormat'] = uSettings['catcherPathFormat'] if self._upload_settings.get(
# "catcherPathFormat", None) else uSettings['imagePathFormat']
# uSettings['imageManagerListPath'] = uSettings['imageManagerListPath'] if self._upload_settings.get(
# "imageManagerListPath", None) else uSettings['imagePathFormat']
# if uSettings['filePathFormat'] != "":
# uSettings['fileManagerListPath'] = uSettings['fileManagerListPath'] if self._upload_settings.get(
# "fileManagerListPath", None) else uSettings['filePathFormat']
# except:
# pass
def recalc_path(self, model_inst):
"""计算上传路径,允许是function"""
try:
uSettings = self.upload_settings
if "filePathFormat" in self._upload_settings:
uSettings['filePathFormat'] = calc_path(
self._upload_settings['filePathFormat'], model_inst)
if "imagePathFormat" in self._upload_settings:
uSettings['imagePathFormat'] = calc_path(
self._upload_settings['imagePathFormat'], model_inst)
if "scrawlPathFormat" in self._upload_settings:
uSettings['scrawlPathFormat'] = calc_path(
self._upload_settings['scrawlPathFormat'], model_inst)
if "videoPathFormat" in self._upload_settings:
uSettings['videoPathFormat'] = calc_path(
self._upload_settings['videoPathFormat'], model_inst),
if "snapscreenPathFormat" in self._upload_settings:
uSettings['snapscreenPathFormat'] = calc_path(
self._upload_settings['snapscreenPathFormat'], model_inst)
if "catcherPathFormat" in self._upload_settings:
uSettings['catcherPathFormat'] = calc_path(
self._upload_settings['catcherPathFormat'], model_inst)
if "imageManagerListPath" in self._upload_settings:
uSettings['imageManagerListPath'] = calc_path(
self._upload_settings['imageManagerListPath'], model_inst)
if "fileManagerListPath" in self._upload_settings:
uSettings['fileManagerListPath'] = calc_path(
self._upload_settings['fileManagerListPath'], model_inst)
# 设置默认值，未指定涂鸦、截图、远程抓图、图片目录时,默认均等于imagePath
if uSettings['imagePathFormat'] != "":
uSettings['scrawlPathFormat'] = uSettings['scrawlPathFormat'] if "scrawlPathFormat" in self._upload_settings else uSettings['imagePathFormat']
uSettings['videoPathFormat'] = uSettings['videoPathFormat'] if "videoPathFormat" in self._upload_settings else uSettings['imagePathFormat']
uSettings['snapscreenPathFormat'] = uSettings['snapscreenPathFormat'] if "snapscreenPathFormat" in self._upload_settings else uSettings['imagePathFormat']
uSettings['catcherPathFormat'] = uSettings['catcherPathFormat'] if "catcherPathFormat" in self._upload_settings else uSettings['imagePathFormat']
uSettings['imageManagerListPath'] = uSettings['imageManagerListPath'] if "imageManagerListPath" in self._upload_settings else uSettings['imagePathFormat']
if uSettings['filePathFormat'] != "":
uSettings['fileManagerListPath'] = uSettings['fileManagerListPath'] if "fileManagerListPath" in self._upload_settings else uSettings['imagePathFormat']
except:
pass
def render(self, name, value, attrs=None):
if value is None:
value = ''
# 传入模板的参数
editor_id = "id_%s" % name.replace("-", "_")
uSettings = {
"name": name,
"id": editor_id,
"value": value
}
if isinstance(self.command, list):
cmdjs = ""
if isinstance(self.command, list):
for cmd in self.command:
cmdjs = cmdjs + cmd.render(editor_id)
else:
cmdis = self.command.render(editor_id)
uSettings["commands"] = cmdjs
uSettings["settings"] = self.ueditor_settings.copy()
uSettings["settings"].update({
"serverUrl": "/ueditor/controller/?%s" % urlencode(self._upload_settings)
})
# 生成事件侦听
if self.event_handler:
uSettings["bindEvents"] = self.event_handler.render(editor_id)
context = {
'UEditor': uSettings,
'STATIC_URL': settings.STATIC_URL,
'STATIC_ROOT': settings.STATIC_ROOT,
'MEDIA_URL': settings.MEDIA_URL,
'MEDIA_ROOT': settings.MEDIA_ROOT
}
return mark_safe(render_to_string('ueditor.html', context))
class Media:
js = ("ueditor/ueditor.config.js",
"ueditor/ueditor.all.min.js")
class AdminUEditorWidget(AdminTextareaWidget, UEditorWidget):
def __init__(self, **kwargs):
super(AdminUEditorWidget, self).__init__(**kwargs)