Subversion Repositories Applications.papyrus

"""
FCKeditor - The text editor for internet
Copyright (C) 2003-2006 Frederico Caldeira Knabben

Licensed under the terms of the GNU Lesser General Public License:
                http://www.opensource.org/licenses/lgpl-license.php

For further information visit:
                http://www.fckeditor.net/

"Support Open Source software. What about a donation today?"

File Name: fckeditor.py
        This is the integration file for Python.

File Authors:
                Andrew Liu (andrew@liuholdings.com)
"""

import cgi
import os
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
                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