| 1 | |
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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 | import zLOG |
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| 20 | |
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| 21 | def getTextFromNode(nodename): |
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| 22 | nodelist=nodename.childNodes |
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| 23 | rc = "" |
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| 24 | for node in nodelist: |
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| 25 | if node.nodeType == node.TEXT_NODE: |
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| 26 | rc = rc + node.data |
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| 27 | return rc |
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| 28 | |
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| 29 | import socket |
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| 30 | |
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| 31 | def urlopen(url): |
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| 32 | """urlopen mit timeout""" |
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| 33 | socket.setdefaulttimeout(2) |
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| 34 | ret=urllib.urlopen(url) |
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| 35 | socket.setdefaulttimeout(5) |
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| 36 | return ret |
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| 37 | |
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| 38 | def getParamFromDigilib(path,param): |
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| 39 | """gibt param von dlInfo aus""" |
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| 40 | imageUrl=genericDigilib+"/dirInfo-xml.jsp?mo=dir&fn="+path |
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| 41 | |
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| 42 | zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo (%s) from %s"%(param,imageUrl)) |
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| 43 | |
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| 44 | try: |
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| 45 | dom = NonvalidatingReader.parseUri(imageUrl) |
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| 46 | except: |
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| 47 | return None |
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| 48 | |
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| 49 | params=dom.xpath("//dir/%s"%param) |
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| 50 | zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo:%s"%params) |
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| 51 | |
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| 52 | if params: |
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| 53 | return getTextFromNode(params[0]) |
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| 54 | |
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| 55 | |
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| 56 | |
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| 57 | |
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| 58 | ## |
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| 59 | ## documentViewer class |
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| 60 | ## |
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| 61 | class documentViewer(Folder): |
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| 62 | """document viewer""" |
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| 63 | |
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| 64 | meta_type="Document viewer" |
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| 65 | |
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| 66 | security=ClassSecurityInfo() |
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| 67 | manage_options=Folder.manage_options+( |
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| 68 | {'label':'main config','action':'changeDocumentViewerForm'}, |
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| 69 | ) |
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| 70 | |
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| 71 | # templates and forms |
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| 72 | viewer_main = PageTemplateFile('zpt/viewer_main', globals()) |
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| 73 | thumbs_main = PageTemplateFile('zpt/thumbs_main', globals()) |
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| 74 | image_main = PageTemplateFile('zpt/image_main', globals()) |
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| 75 | head_main = PageTemplateFile('zpt/head_main', globals()) |
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| 76 | docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) |
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| 77 | |
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| 78 | security.declareProtected('View management screens','changeDocumentViewerForm') |
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| 79 | changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) |
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| 80 | |
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| 81 | |
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| 82 | def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None): |
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| 83 | """init document viewer""" |
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| 84 | self.id=id |
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| 85 | self.title=title |
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| 86 | self.imageViewerUrl=imageViewerUrl |
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| 87 | self.digilibBaseUrl = digilibBaseUrl |
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| 88 | if not self.digilibBaseUrl: |
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| 89 | self.digilibBaseUrl = self.findDigilibUrl() |
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| 90 | # add template folder so we can always use template.something |
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| 91 | self.manage_addFolder('template') |
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| 92 | |
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| 93 | |
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| 94 | security.declareProtected('View','index_html') |
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| 95 | def index_html(self,mode,url,start=0,pn=1): |
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| 96 | ''' |
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| 97 | view it |
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| 98 | @param mode: defines which type of document is behind url |
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| 99 | @param url: url which contains display information |
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| 100 | ''' |
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| 101 | |
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| 102 | zLOG.LOG("documentViewer (index)", zLOG.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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| 103 | print "dlbaseurl:", self.digilibBaseUrl |
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| 104 | |
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| 105 | if not hasattr(self, 'template'): |
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| 106 | # create template folder if it doesn't exist |
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| 107 | print "no template folder -- creating" |
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| 108 | self.manage_addFolder('template') |
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| 109 | |
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| 110 | if not self.digilibBaseUrl: |
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| 111 | self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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| 112 | |
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| 113 | print "dlbaseurl:", self.digilibBaseUrl |
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| 114 | |
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| 115 | docinfo = self.getDocinfo(mode=mode, url=url) |
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| 116 | pageinfo = self.getPageinfo(start=start,current=pn) |
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| 117 | pt = getattr(self.template, 'viewer_main') |
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| 118 | return pt(docinfo=docinfo,pageinfo=pageinfo) |
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| 119 | |
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| 120 | |
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| 121 | def imageLink(self,nr): |
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| 122 | """link hinter den images""" |
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| 123 | paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
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| 124 | params={} |
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| 125 | for x in paramsTmp.iteritems(): |
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| 126 | params[x[0]]=x[1][0] |
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| 127 | |
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| 128 | params['pn']=nr |
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| 129 | newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
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| 130 | return newUrl |
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| 131 | |
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| 132 | def getStyle(self, idx, selected, style=""): |
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| 133 | """returns a string with the given style + 'sel' if path == selected.""" |
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| 134 | #zLOG.LOG("documentViewer (getstyle)", zLOG.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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| 135 | if idx == selected: |
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| 136 | return style + 'sel' |
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| 137 | else: |
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| 138 | return style |
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| 139 | |
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| 140 | |
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| 141 | def thumbruler(self,cols,rows,start,maximum): |
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| 142 | """ruler for thumbs""" |
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| 143 | ret="" |
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| 144 | paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
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| 145 | params={} |
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| 146 | for x in paramsTmp.iteritems(): |
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| 147 | |
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| 148 | if not x[0]=="start": |
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| 149 | params[x[0]]=x[1][0] |
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| 150 | |
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| 151 | newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
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| 152 | if start>0: |
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| 153 | newStart=max(start-cols*rows,0) |
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| 154 | params['start']=newStart |
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| 155 | newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
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| 156 | ret+="""<a href="%s">prev</a>"""%newUrl |
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| 157 | |
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| 158 | |
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| 159 | ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value">"""%newUrlSelect |
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| 160 | nr,rest=divmod(maximum,cols*rows) |
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| 161 | if rest > 0: |
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| 162 | nr+=1 |
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| 163 | for i in range(nr): |
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| 164 | nr=i*cols*rows |
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| 165 | |
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| 166 | if (start >= nr) and (start < nr+cols*rows): |
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| 167 | ret+="""<option value="%s" selected>%s</option>"""%(nr,nr) |
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| 168 | else: |
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| 169 | ret+="""<option value="%s">%s</option>"""%(nr,nr) |
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| 170 | ret+="</select>" |
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| 171 | |
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| 172 | if start<maximum: |
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| 173 | newStart=min(start+cols*rows,maximum) |
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| 174 | params['start']=newStart |
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| 175 | newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params) |
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| 176 | ret+="""<a href="%s">next</a>"""%newUrl |
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| 177 | |
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| 178 | return ret |
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| 179 | |
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| 180 | |
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| 181 | |
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| 182 | def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None): |
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| 183 | """gets bibliographical info from the index.meta file at url or given by dom""" |
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| 184 | zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path)) |
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| 185 | |
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| 186 | if docinfo is None: |
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| 187 | docinfo = {} |
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| 188 | |
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| 189 | metaData=self.metadata.main.meta.bib |
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| 190 | if dom is None: |
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| 191 | server="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Texter?fn=" |
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| 192 | path="/".join(path.split("/")[0:-1]) |
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| 193 | metaUrl=server+path+"/index.meta" |
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| 194 | try: |
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| 195 | dom = NonvalidatingReader.parseUri(metaUrl) |
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| 196 | except: |
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| 197 | return docinfo |
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| 198 | |
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| 199 | type=dom.xpath("//bib/@type") |
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| 200 | if type and (len(type)>0): |
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| 201 | type=type[0].value |
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| 202 | else: |
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| 203 | type="generic" |
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| 204 | type=type.replace("-"," ")# wrong typesiin index meta "-" instead of " " |
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| 205 | hash=metaData.generateMappingForType(type) |
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| 206 | |
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| 207 | docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%hash['author'][0])[0]) |
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| 208 | docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%hash['title'][0])[0]) |
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| 209 | docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%hash['year'][0])[0]) |
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| 210 | |
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| 211 | return docinfo |
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| 212 | |
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| 213 | |
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| 214 | def getDocinfoFromTextTool(self,url,docinfo=None): |
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| 215 | """parse texttool tag in index meta""" |
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| 216 | zLOG.LOG("documentViewer (getdocinfofromtexttool)", zLOG.INFO,"url: %s"%(url)) |
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| 217 | if docinfo is None: |
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| 218 | docinfo = {} |
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| 219 | |
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| 220 | try: |
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| 221 | dom = NonvalidatingReader.parseUri(url) |
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| 222 | except: |
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| 223 | zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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| 224 | return docinfo |
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| 225 | |
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| 226 | archivePaths=dom.xpath("//resource/archive-path") |
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| 227 | |
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| 228 | if archivePaths and (len(archivePaths)>0): |
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| 229 | archivePath=getTextFromNode(archivePaths[0]) |
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| 230 | else: |
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| 231 | archivePath=None |
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| 232 | |
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| 233 | images=dom.xpath("//texttool/image") |
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| 234 | |
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| 235 | if images and (len(images)>0): |
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| 236 | image=getTextFromNode(images[0]) |
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| 237 | else: |
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| 238 | image=None |
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| 239 | |
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| 240 | if image and archivePath: |
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| 241 | image=os.path.join(archivePath,image) |
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| 242 | image=image.replace("/mpiwg/online",'') |
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| 243 | pt=getParamFromDigilib(image,'size') |
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| 244 | docinfo['imagePath'] = image |
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| 245 | docinfo['numberOfPages'] = pt |
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| 246 | |
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| 247 | viewerUrls=dom.xpath("//texttool/digiliburlprefix") |
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| 248 | |
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| 249 | if viewerUrls and (len(viewerUrls)>0): |
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| 250 | viewerUrl=getTextFromNode(viewerUrls[0]) |
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| 251 | docinfo['imageURL'] = viewerURL |
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| 252 | |
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| 253 | textUrls=dom.xpath("//texttool/text") |
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| 254 | |
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| 255 | if textUrls and (len(textUrls)>0): |
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| 256 | textUrl=getTextFromNode(textUrls[0]) |
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| 257 | docinfo['textURL'] = textURL |
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| 258 | |
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| 259 | docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) |
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| 260 | return docinfo |
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| 261 | |
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| 262 | |
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| 263 | def getDocinfoFromImagePath(self,path,docinfo=None): |
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| 264 | """path ist the path to the images it assumes that the index.meta file is one level higher.""" |
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| 265 | zLOG.LOG("documentViewer (getdocinfofromimagepath)", zLOG.INFO,"path: %s"%(path)) |
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| 266 | if docinfo is None: |
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| 267 | docinfo = {} |
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| 268 | docinfo['imagePath'] = path |
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| 269 | path=path.replace("/mpiwg/online","") |
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| 270 | pt=getParamFromDigilib(path,'size') |
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| 271 | docinfo['numberOfPages'] = pt |
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| 272 | imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%path |
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| 273 | docinfo['imageURL'] = imageUrl |
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| 274 | |
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| 275 | docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo) |
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| 276 | return docinfo |
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| 277 | |
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| 278 | |
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| 279 | def getDocinfo(self, mode, url): |
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| 280 | """returns docinfo depending on mode""" |
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| 281 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"mode: %s, url: %s"%(mode,url)) |
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| 282 | # look for cached docinfo in session |
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| 283 | if self.REQUEST.SESSION.has_key('docinfo'): |
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| 284 | docinfo = self.REQUEST.SESSION['docinfo'] |
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| 285 | # check if its still current |
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| 286 | if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: |
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| 287 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo in session: %s"%docinfo) |
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| 288 | return docinfo |
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| 289 | # new docinfo |
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| 290 | docinfo = {'mode': mode, 'url': url} |
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| 291 | if mode=="texttool": #index.meta with texttool information |
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| 292 | docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) |
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| 293 | elif mode=="imagepath": |
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| 294 | docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) |
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| 295 | else: |
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| 296 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.ERROR,"unknown mode!") |
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| 297 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo: %s"%docinfo) |
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| 298 | self.REQUEST.SESSION['docinfo'] = docinfo |
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| 299 | return docinfo |
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| 300 | |
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| 301 | |
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| 302 | def getPageinfo(self, start, current): |
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| 303 | """returns pageinfo with the given parameters""" |
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| 304 | pageinfo = {} |
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| 305 | pageinfo['start'] = start |
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| 306 | pageinfo['current'] = current |
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| 307 | return pageinfo |
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| 308 | |
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| 309 | def text(self,mode,url,pn): |
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| 310 | """give text""" |
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| 311 | if mode=="texttool": #index.meta with texttool information |
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| 312 | (viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
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| 313 | |
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| 314 | print textpath |
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| 315 | try: |
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| 316 | dom = NonvalidatingReader.parseUri(textpath) |
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| 317 | except: |
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| 318 | return None |
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| 319 | |
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| 320 | list=[] |
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| 321 | nodes=dom.xpath("//pb") |
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| 322 | |
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| 323 | node=nodes[int(pn)-1] |
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| 324 | |
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| 325 | p=node |
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| 326 | |
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| 327 | while p.tagName!="p": |
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| 328 | p=p.parentNode |
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| 329 | |
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| 330 | |
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| 331 | endNode=nodes[int(pn)] |
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| 332 | |
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| 333 | |
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| 334 | e=endNode |
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| 335 | |
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| 336 | while e.tagName!="p": |
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| 337 | e=e.parentNode |
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| 338 | |
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| 339 | |
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| 340 | next=node.parentNode |
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| 341 | |
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| 342 | #sammle s |
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| 343 | while next and (next!=endNode.parentNode): |
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| 344 | list.append(next) |
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| 345 | next=next.nextSibling |
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| 346 | list.append(endNode.parentNode) |
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| 347 | |
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| 348 | if p==e:# beide im selben paragraphen |
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| 349 | pass |
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| 350 | # else: |
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| 351 | # next=p |
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| 352 | # while next!=e: |
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| 353 | # print next,e |
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| 354 | # list.append(next) |
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| 355 | # next=next.nextSibling |
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| 356 | # |
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| 357 | # for x in list: |
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| 358 | # PrettyPrint(x) |
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| 359 | # |
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| 360 | # return list |
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| 361 | # |
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| 362 | |
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| 363 | def image(self,mode,url,pn): |
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| 364 | """give image out""" |
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| 365 | if mode=="texttool": #index.meta with texttool information |
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| 366 | (viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
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| 367 | if not viewerUrl: |
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| 368 | viewerUrl=self.imageViewerUrl |
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| 369 | url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0]) |
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| 370 | ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url |
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| 371 | return url |
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| 372 | elif mode=="imagepath": |
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| 373 | url=url.replace("/mpiwg/online","") |
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| 374 | url=self.imageViewerUrl+"pn=%s&fn=%s"%(pn,url) |
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| 375 | ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url |
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| 376 | return url |
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| 377 | |
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| 378 | |
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| 379 | def findDigilibUrl(self): |
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| 380 | """try to get the digilib URL from zogilib""" |
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| 381 | url = self.imageViewerUrl[:-1] + "/getScalerUrl" |
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| 382 | try: |
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| 383 | scaler = urlopen(url).read() |
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| 384 | return scaler.replace("/servlet/Scaler?", "") |
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| 385 | except: |
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| 386 | return None |
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| 387 | |
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| 388 | def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,RESPONSE=None): |
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| 389 | """init document viewer""" |
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| 390 | self.title=title |
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| 391 | self.imageViewerUrl=imageViewerUrl |
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| 392 | self.digilibBaseUrl = digilibBaseUrl |
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| 393 | |
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| 394 | if RESPONSE is not None: |
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| 395 | RESPONSE.redirect('manage_main') |
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| 396 | |
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| 397 | |
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| 398 | |
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| 399 | |
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| 400 | # security.declareProtected('View management screens','renameImageForm') |
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| 401 | |
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| 402 | def manage_AddDocumentViewerForm(self): |
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| 403 | """add the viewer form""" |
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| 404 | pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
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| 405 | return pt() |
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| 406 | |
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| 407 | def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None): |
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| 408 | """add the viewer""" |
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| 409 | newObj=documentViewer(id,imageViewerUrl,title) |
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| 410 | self._setObject(id,newObj) |
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| 411 | |
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| 412 | if RESPONSE is not None: |
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| 413 | RESPONSE.redirect('manage_main') |
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| 414 | |
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| 415 | |
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| 416 | ## |
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| 417 | ## DocumentViewerTemplate class |
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| 418 | ## |
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| 419 | class DocumentViewerTemplate(ZopePageTemplate): |
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| 420 | """Template for document viewer""" |
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| 421 | meta_type="DocumentViewer Template" |
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| 422 | |
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| 423 | |
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| 424 | def manage_addDocumentViewerTemplateForm(self): |
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| 425 | """Form for adding""" |
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| 426 | pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) |
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| 427 | return pt() |
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| 428 | |
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| 429 | def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, |
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| 430 | REQUEST=None, submit=None): |
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| 431 | "Add a Page Template with optional file content." |
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| 432 | |
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| 433 | self._setObject(id, DocumentViewerTemplate(id)) |
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| 434 | ob = getattr(self, id) |
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| 435 | ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/viewer_main.zpt')).read(),None) |
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| 436 | if title: |
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| 437 | ob.pt_setTitle(title) |
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| 438 | try: |
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| 439 | u = self.DestinationURL() |
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| 440 | except AttributeError: |
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| 441 | u = REQUEST['URL1'] |
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| 442 | |
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| 443 | u = "%s/%s" % (u, urllib.quote(id)) |
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| 444 | REQUEST.RESPONSE.redirect(u+'/manage_main') |
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| 445 | return '' |
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| 446 | |
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| 447 | |
|---|
| 448 | |
|---|
