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2 genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/"
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3
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4 from OFS.Folder import Folder
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5 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
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6 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
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7 from AccessControl import ClassSecurityInfo
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8 from Globals import package_home
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9
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10 from Ft.Xml.Domlette import NonvalidatingReader
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11 from Ft.Xml.Domlette import PrettyPrint, Print
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12 from Ft.Xml import EMPTY_NAMESPACE
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13
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14 import Ft.Xml.XPath
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15
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16 import os.path
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17 import cgi
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18 import urllib
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19
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20 def getTextFromNode(nodename):
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21 nodelist=nodename.childNodes
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22 rc = ""
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23 for node in nodelist:
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24 if node.nodeType == node.TEXT_NODE:
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25 rc = rc + node.data
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26 return rc
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27
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28 import socket
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29
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30 def urlopen(url):
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31 """urlopen mit timeout"""
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32 socket.setdefaulttimeout(2)
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33 ret=urllib.urlopen(url)
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34 socket.setdefaulttimeout(5)
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35 return ret
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36
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37 def getParamFromDigilib(path,param):
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38 """gibt param von dlInfo aus"""
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39 imageUrl=genericDigilib+"/dlInfo-xml.jsp?fn="+path
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40
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41 try:
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42 dom = NonvalidatingReader.parseUri(imageUrl)
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43 except:
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44 return None
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45
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46
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47 params=dom.xpath("//document-parameters/parameter[@name='%s']/@value"%param)
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48
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49 if params:
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50 return params[0].value
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51
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52 def parseUrlTextTool(url):
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53 """parse index meta"""
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54
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55 try:
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56 dom = NonvalidatingReader.parseUri(url)
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57 except:
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58 zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])
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59 return (None,None,None)
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60
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61 archivePaths=dom.xpath("//resource/archive-path")
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62
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63 if archivePaths and (len(archivePaths)>0):
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64 archivePath=getTextFromNode(archivePaths[0])
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65 else:
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66 archivePath=None
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67
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68
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69 images=dom.xpath("//texttool/image")
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70
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71 if images and (len(images)>0):
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72 image=getTextFromNode(images[0])
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73 else:
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74 image=None
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75
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76 if image and archivePath:
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77 image=os.path.join(archivePath,image)
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78 image=image.replace("/mpiwg/online",'')
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79 pt=getParamFromDigilib(image,'pt')
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80
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81 else:
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82 image=None
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83
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84 viewerUrls=dom.xpath("//texttool/digiliburlprefix")
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85
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86 if viewerUrls and (len(viewerUrls)>0):
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87 viewerUrl=getTextFromNode(viewerUrls[0])
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88 else:
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89 viewerUrl=None
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90
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91
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92 textUrls=dom.xpath("//texttool/text")
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93
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94 if textUrls and (len(textUrls)>0):
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95 textUrl=getTextFromNode(textUrls[0])
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96 else:
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97 textUrl=None
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98 return viewerUrl,(image,pt),textUrl
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99
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100
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101 class documentViewer(ZopePageTemplate):
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102 """document viewer"""
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103
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104 meta_type="Document viewer"
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105
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106 security=ClassSecurityInfo()
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107 manage_options=ZopePageTemplate.manage_options+(
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108 {'label':'main config','action':'changeDocumentViewerForm'},
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109 )
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110
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111 _default_content_fn = os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')
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112
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113 def __init__(self,id,imageViewerUrl,title=""):
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114 """init document viewer"""
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115 self.id=id
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116 self.title=title
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117 self.imageViewerUrl=imageViewerUrl
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118
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119 security.declareProtected('View management screens','changeDocumentViewerForm')
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120 def changeDocumentViewerForm(self):
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121 """change it"""
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122 pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeDocumentViewer.zpt')).__of__(self)
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123 return pt()
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124
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125
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126 def changeDocumentViewer(self,imageViewerUrl,title="",RESPONSE=None):
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127 """init document viewer"""
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128 self.title=title
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129 self.imageViewerUrl=imageViewerUrl
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130
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131 if RESPONSE is not None:
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132 RESPONSE.redirect('manage_main')
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133
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134
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135 def imageLink(self,nr):
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136 """link hinter den images"""
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137 paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
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138 params={}
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139 for x in paramsTmp.iteritems():
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140 params[x[0]]=x[1][0]
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141
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142 params['pn']=nr
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143 newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
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144 return newUrl
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145
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146
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147 def thumbruler(self,cols,rows,start,maximum):
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148 """ruler for thumbs"""
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149 ret=""
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150 paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
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151 params={}
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152 for x in paramsTmp.iteritems():
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153
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154 if not x[0]=="start":
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155 params[x[0]]=x[1][0]
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156
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157 newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params)
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158 if start>0:
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159 newStart=max(start-cols*rows,0)
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160 params['start']=newStart
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161 newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
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162 ret+="""<a href="%s">prev</a>"""%newUrl
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163
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164
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165 ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value" """%newUrlSelect
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166 nr,rest=divmod(maximum,cols*rows)
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167 if rest > 0:
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168 nr+=1
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169 for i in range(nr):
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170 nr=i*cols*rows
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171
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172 if (start >= nr) and (start < nr+cols*rows):
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173 ret+="""<option value="%s" selected>%s</option>"""%(nr,nr)
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174 else:
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175 ret+="""<option value="%s">%s</option>"""%(nr,nr)
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176 ret+="</select>"
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177
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178 if start<maximum:
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179 newStart=min(start+cols*rows,maximum)
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180 params['start']=newStart
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181 newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
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182 ret+="""<a href="%s">next</a>"""%newUrl
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183
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184 return ret
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185
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186 def textToolThumb(self,url,start=0):
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187 """understands the texttool format
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188 @param url: url to index.meta with texttool tag
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189 """
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190 (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
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191
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192 imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%imagepath[0]
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193
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194 pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self)
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195 return pt(imageUrl=imageUrl,pt=imagepath[1],start=start)
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196
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197 def text(self,mode,url,pn):
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198 """give text"""
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199 if mode=="texttool": #index.meta with texttool information
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200 (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
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201
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202 print textpath
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203 try:
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204 dom = NonvalidatingReader.parseUri(textpath)
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205 except:
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206 return None
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207
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208 list=[]
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209 nodes=dom.xpath("//pb")
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210
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211 node=nodes[int(pn)-1]
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212
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213 p=node
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214
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215 while p.tagName!="p":
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216 p=p.parentNode
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217
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218
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219 endNode=nodes[int(pn)]
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220
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221
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222 e=endNode
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223
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224 while e.tagName!="p":
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225 e=e.parentNode
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226
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227
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228 next=node.parentNode
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229
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230 #sammle s
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231 while next and (next!=endNode.parentNode):
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232 list.append(next)
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233 next=next.nextSibling
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234 list.append(endNode.parentNode)
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235
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236 if p==e:# beide im selben paragraphen
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237
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238 else:
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239 next=p
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240 while next!=e:
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241 print next,e
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242 list.append(next)
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243 next=next.nextSibling
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244
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245 for x in list:
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246 PrettyPrint(x)
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247
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248 return list
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249
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250 def image(self,mode,url,pn):
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251 """give image out"""
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252 if mode=="texttool": #index.meta with texttool information
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253 (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
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254 url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])
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255 ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url
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256 return url
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257
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258 def thumbs(self,mode,url,start):
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259 """give thumbs out"""
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260 if mode=="texttool": #index.meta with texttool information
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261 return self.textToolThumb(url,int(start))
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262
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263 security.declareProtected('View','index_html')
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264
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265
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266 def index_html(self,mode,url,start=0,pn=0):
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267 '''
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268 view it
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269 @param mode: defines which type of document is behind url
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270 @param url: url which contains display information
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271 '''
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272
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273
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274 pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')).__of__(self)
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275 return pt(mode=mode,url=url,start=start,pn=pn)
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276
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277
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278
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279 # security.declareProtected('View management screens','renameImageForm')
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280
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281 def manage_AddDocumentViewerForm(self):
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282 """add the viewer form"""
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283 pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','addDocumentViewer.zpt')).__of__(self)
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284 return pt()
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285
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286 def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None):
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287 """add the viewer"""
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288 newObj=documentViewer(id,imageViewerUrl,title)
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289 self._setObject(id,newObj)
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290
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291 if RESPONSE is not None:
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292 RESPONSE.redirect('manage_main')
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293 |
