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FCKeditor/fckeditor.py

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+"""
+FCKeditor - The text editor for Internet - http://www.fckeditor.net
+Copyright (C) 2003-2007 Frederico Caldeira Knabben
+
+== BEGIN LICENSE ==
+
+Licensed under the terms of any of the following licenses at your
+choice:
+
+ - GNU General Public License Version 2 or later (the "GPL")
+   http://www.gnu.org/licenses/gpl.html
+
+ - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
+   http://www.gnu.org/licenses/lgpl.html
+
+ - Mozilla Public License Version 1.1 or later (the "MPL")
+   http://www.mozilla.org/MPL/MPL-1.1.html
+
+== END LICENSE ==
+
+This is the integration file for Python.
+"""
+
+import cgi
+import os
+import re
+import string
+
+def escape(text, replace=string.replace):
+    """Converts the special characters '<', '>', and '&'.
+
+    RFC 1866 specifies that these characters be represented
+    in HTML as &lt; &gt; and &amp; respectively. In Python
+    1.5 we use the new string.replace() function for speed.
+    """
+    text = replace(text, '&', '&amp;') # must be done 1st
+    text = replace(text, '<', '&lt;')
+    text = replace(text, '>', '&gt;')
+    text = replace(text, '"', '&quot;')
+    text = replace(text, "'", '&#39;')
+    return text
+
+# The FCKeditor class
+class FCKeditor(object):
+	def __init__(self, instanceName):
+		self.InstanceName = instanceName
+		self.BasePath = '/fckeditor/'
+		self.Width = '100%'
+		self.Height = '200'
+		self.ToolbarSet = 'Default'
+		self.Value = '';
+
+		self.Config = {}
+
+	def Create(self):
+		return self.CreateHtml()
+
+	def CreateHtml(self):
+		HtmlValue = escape(self.Value)
+		Html = "<div>"
+
+		if (self.IsCompatible()):
+			File = "fckeditor.html"
+			Link = "%seditor/%s?InstanceName=%s" % (
+					self.BasePath,
+					File,
+					self.InstanceName
+					)
+			if (self.ToolbarSet is not None):
+				Link += "&amp;ToolBar=%s" % self.ToolbarSet
+
+			# Render the linked hidden field
+			Html += "<input type=\"hidden\" id=\"%s\" name=\"%s\" value=\"%s\" style=\"display:none\" />" % (
+					self.InstanceName,
+					self.InstanceName,
+					HtmlValue
+					)
+
+			# Render the configurations hidden field
+			Html += "<input type=\"hidden\" id=\"%s___Config\" value=\"%s\" style=\"display:none\" />" % (
+					self.InstanceName,
+					self.GetConfigFieldString()
+					)
+
+			# Render the editor iframe
+			Html += "<iframe id=\"%s\__Frame\" src=\"%s\" width=\"%s\" height=\"%s\" frameborder=\"0\" scrolling=\"no\"></iframe>" % (
+					self.InstanceName,
+					Link,
+					self.Width,
+					self.Height
+					)
+		else:
+			if (self.Width.find("%%") < 0):
+				WidthCSS = "%spx" % self.Width
+			else:
+				WidthCSS = self.Width
+			if (self.Height.find("%%") < 0):
+				HeightCSS = "%spx" % self.Height
+			else:
+				HeightCSS = self.Height
+
+			Html += "<textarea name=\"%s\" rows=\"4\" cols=\"40\" style=\"width: %s; height: %s;\" wrap=\"virtual\">%s</textarea>" % (
+					self.InstanceName,
+					WidthCSS,
+					HeightCSS,
+					HtmlValue
+					)
+		Html += "</div>"
+		return Html
+
+	def IsCompatible(self):
+		if (os.environ.has_key("HTTP_USER_AGENT")):
+			sAgent = os.environ.get("HTTP_USER_AGENT", "")
+		else:
+			sAgent = ""
+		if (sAgent.find("MSIE") >= 0) and (sAgent.find("mac") < 0) and (sAgent.find("Opera") < 0):
+			i = sAgent.find("MSIE")
+			iVersion = float(sAgent[i+5:i+5+3])
+			if (iVersion >= 5.5):
+				return True
+			return False
+		elif (sAgent.find("Gecko/") >= 0):
+			i = sAgent.find("Gecko/")
+			iVersion = int(sAgent[i+6:i+6+8])
+			if (iVersion >= 20030210):
+				return True
+			return False
+		elif (sAgent.find("Opera/") >= 0):
+			i = sAgent.find("Opera/")
+			iVersion = float(sAgent[i+6:i+6+4])
+			if (iVersion >= 9.5):
+				return True
+			return False
+		elif (sAgent.find("AppleWebKit/") >= 0):
+			p = re.compile('AppleWebKit\/(\d+)', re.IGNORECASE)
+			m = p.search(sAgent)
+			if (m.group(1) >= 522):
+				return True
+			return False
+		else:
+			return False
+
+	def GetConfigFieldString(self):
+		sParams = ""
+		bFirst = True
+		for sKey in self.Config.keys():
+			sValue = self.Config[sKey]
+			if (not bFirst):
+				sParams += "&amp;"
+			else:
+				bFirst = False
+			if (sValue):
+				k = escape(sKey)
+				v = escape(sValue)
+				if (sValue == "true"):
+					sParams += "%s=true" % k
+				elif (sValue == "false"):
+					sParams += "%s=false" % k
+				else:
+					sParams += "%s=%s" % (k, v)
+		return sParams
+