Annotation of documentViewer/documentViewer.py, revision 1.2
1.1 dwinter 1:
2: genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/"
3:
4: from OFS.Folder import Folder
5: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
6: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
7: from AccessControl import ClassSecurityInfo
8: from Globals import package_home
9:
10: from Ft.Xml.Domlette import NonvalidatingReader
11: from Ft.Xml.Domlette import PrettyPrint, Print
12: from Ft.Xml import EMPTY_NAMESPACE
13:
14: import Ft.Xml.XPath
15:
16: import os.path
17: import cgi
18: import urllib
19:
20: def getTextFromNode(nodename):
21: nodelist=nodename.childNodes
22: rc = ""
23: for node in nodelist:
24: if node.nodeType == node.TEXT_NODE:
25: rc = rc + node.data
26: return rc
27:
28: import socket
29:
30: def urlopen(url):
31: """urlopen mit timeout"""
32: socket.setdefaulttimeout(2)
33: ret=urllib.urlopen(url)
34: socket.setdefaulttimeout(5)
35: return ret
36:
37: def getParamFromDigilib(path,param):
38: """gibt param von dlInfo aus"""
39: imageUrl=genericDigilib+"/dlInfo-xml.jsp?fn="+path
40:
41: try:
42: dom = NonvalidatingReader.parseUri(imageUrl)
43: except:
44: return None
45:
46:
47: params=dom.xpath("//document-parameters/parameter[@name='%s']/@value"%param)
48:
49: if params:
50: return params[0].value
51:
52: def parseUrlTextTool(url):
53: """parse index meta"""
54:
55: try:
56: dom = NonvalidatingReader.parseUri(url)
57: except:
58: zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])
59: return (None,None,None)
60:
61: archivePaths=dom.xpath("//resource/archive-path")
62:
63: if archivePaths and (len(archivePaths)>0):
64: archivePath=getTextFromNode(archivePaths[0])
65: else:
66: archivePath=None
67:
68:
69: images=dom.xpath("//texttool/image")
70:
71: if images and (len(images)>0):
72: image=getTextFromNode(images[0])
73: else:
74: image=None
75:
76: if image and archivePath:
77: image=os.path.join(archivePath,image)
78: image=image.replace("/mpiwg/online",'')
79: pt=getParamFromDigilib(image,'pt')
80:
81: else:
82: image=None
83:
84: viewerUrls=dom.xpath("//texttool/digiliburlprefix")
85:
86: if viewerUrls and (len(viewerUrls)>0):
87: viewerUrl=getTextFromNode(viewerUrls[0])
88: else:
89: viewerUrl=None
90:
91:
92: textUrls=dom.xpath("//texttool/text")
93:
94: if textUrls and (len(textUrls)>0):
95: textUrl=getTextFromNode(textUrls[0])
96: else:
97: textUrl=None
98: return viewerUrl,(image,pt),textUrl
99:
100:
101: class documentViewer(ZopePageTemplate):
102: """document viewer"""
103:
104: meta_type="Document viewer"
105:
106: security=ClassSecurityInfo()
107: manage_options=ZopePageTemplate.manage_options+(
108: {'label':'main config','action':'changeDocumentViewerForm'},
109: )
110:
111: _default_content_fn = os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')
112:
113: def __init__(self,id,imageViewerUrl,title=""):
114: """init document viewer"""
115: self.id=id
116: self.title=title
117: self.imageViewerUrl=imageViewerUrl
118:
119: security.declareProtected('View management screens','changeDocumentViewerForm')
120: def changeDocumentViewerForm(self):
121: """change it"""
122: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeDocumentViewer.zpt')).__of__(self)
123: return pt()
124:
125:
126: def changeDocumentViewer(self,imageViewerUrl,title="",RESPONSE=None):
127: """init document viewer"""
128: self.title=title
129: self.imageViewerUrl=imageViewerUrl
130:
131: if RESPONSE is not None:
132: RESPONSE.redirect('manage_main')
133:
134:
135: def imageLink(self,nr):
136: """link hinter den images"""
137: paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
138: params={}
139: for x in paramsTmp.iteritems():
140: params[x[0]]=x[1][0]
141:
142: params['pn']=nr
143: newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
144: return newUrl
145:
146:
147: def thumbruler(self,cols,rows,start,maximum):
148: """ruler for thumbs"""
149: ret=""
150: paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])
151: params={}
152: for x in paramsTmp.iteritems():
153:
154: if not x[0]=="start":
155: params[x[0]]=x[1][0]
156:
157: newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params)
158: if start>0:
159: newStart=max(start-cols*rows,0)
160: params['start']=newStart
161: newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
162: ret+="""<a href="%s">prev</a>"""%newUrl
163:
164:
165: ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value" """%newUrlSelect
166: nr,rest=divmod(maximum,cols*rows)
167: if rest > 0:
168: nr+=1
169: for i in range(nr):
170: nr=i*cols*rows
171:
172: if (start >= nr) and (start < nr+cols*rows):
173: ret+="""<option value="%s" selected>%s</option>"""%(nr,nr)
174: else:
175: ret+="""<option value="%s">%s</option>"""%(nr,nr)
176: ret+="</select>"
177:
178: if start<maximum:
179: newStart=min(start+cols*rows,maximum)
180: params['start']=newStart
181: newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)
182: ret+="""<a href="%s">next</a>"""%newUrl
183:
184: return ret
185:
186: def textToolThumb(self,url,start=0):
187: """understands the texttool format
188: @param url: url to index.meta with texttool tag
189: """
190: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
191:
192: imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%imagepath[0]
193:
194: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self)
195: return pt(imageUrl=imageUrl,pt=imagepath[1],start=start)
196:
1.2 ! dwinter 197: def imagePathThumb(self,path,start=0):
! 198: """path ist the path to the images it is assumes that the index.meta file is one level higher."""
! 199:
! 200: path=path.replace("/mpiwg/online","")
! 201: pt=getParamFromDigilib(path,'pt')
! 202: imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%path
! 203:
! 204: pageT=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self)
! 205: return pageT(imageUrl=imageUrl,pt=pt,start=start)
! 206:
! 207: def headerFromIndexMeta(self,path):
! 208: """gibt header from index meta out"""
! 209:
! 210: metaData=self.metadata.main.meta.bib
! 211: server="http://foxridge.mpiwg-berlin.mpg.de"
! 212: path="/".join(path.split("/")[0:-1])
! 213: metaUrl=server+path+"/index.meta"
! 214:
! 215: dom = NonvalidatingReader.parseUri(metaUrl)
! 216: type=dom.xpath("//bib/@type")
! 217: if type and (len(type)>0):
! 218: type=type[0].value
! 219: else:
! 220: type="generic"
! 221: type=type.replace("-"," ")# wrong typesiin index meta "-" instead of " "
! 222: hash=metaData.generateMappingForType(type)
! 223:
! 224: author=getTextFromNode(dom.xpath("//bib/%s"%hash['author'][0])[0])
! 225: title=getTextFromNode(dom.xpath("//bib/%s"%hash['title'][0])[0])
! 226: year=getTextFromNode(dom.xpath("//bib/%s"%hash['year'][0])[0])
! 227:
! 228: return author,title,year
! 229:
1.1 dwinter 230: def text(self,mode,url,pn):
231: """give text"""
232: if mode=="texttool": #index.meta with texttool information
233: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
234:
235: print textpath
236: try:
237: dom = NonvalidatingReader.parseUri(textpath)
238: except:
239: return None
240:
241: list=[]
242: nodes=dom.xpath("//pb")
243:
244: node=nodes[int(pn)-1]
245:
246: p=node
247:
248: while p.tagName!="p":
249: p=p.parentNode
250:
251:
252: endNode=nodes[int(pn)]
253:
254:
255: e=endNode
256:
257: while e.tagName!="p":
258: e=e.parentNode
259:
260:
261: next=node.parentNode
262:
263: #sammle s
264: while next and (next!=endNode.parentNode):
265: list.append(next)
266: next=next.nextSibling
267: list.append(endNode.parentNode)
268:
269: if p==e:# beide im selben paragraphen
1.2 ! dwinter 270: pass
! 271: # else:
! 272: # next=p
! 273: # while next!=e:
! 274: # print next,e
! 275: # list.append(next)
! 276: # next=next.nextSibling
! 277: #
! 278: # for x in list:
! 279: # PrettyPrint(x)
! 280: #
! 281: # return list
! 282: #
1.1 dwinter 283: def image(self,mode,url,pn):
284: """give image out"""
285: if mode=="texttool": #index.meta with texttool information
286: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
1.2 ! dwinter 287: if not viewerUrl:
! 288: viewerUrl=self.imageViewerUrl
1.1 dwinter 289: url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])
290: ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url
291: return url
1.2 ! dwinter 292: elif mode=="imagepath":
! 293: url=url.replace("/mpiwg/online","")
! 294: url=self.imageViewerUrl+"pn=%s&fn=%s"%(pn,url)
! 295: ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url
! 296: return url
! 297:
1.1 dwinter 298:
299: def thumbs(self,mode,url,start):
300: """give thumbs out"""
301: if mode=="texttool": #index.meta with texttool information
302: return self.textToolThumb(url,int(start))
1.2 ! dwinter 303: elif mode=="imagepath":
! 304: return self.imagePathThumb(url,int(start))
1.1 dwinter 305:
306: security.declareProtected('View','index_html')
307:
308:
1.2 ! dwinter 309: def index_html(self,mode,url,start=0,pn=1):
1.1 dwinter 310: '''
311: view it
312: @param mode: defines which type of document is behind url
313: @param url: url which contains display information
314: '''
315:
316:
317: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')).__of__(self)
318: return pt(mode=mode,url=url,start=start,pn=pn)
319:
320:
321:
322: # security.declareProtected('View management screens','renameImageForm')
323:
324: def manage_AddDocumentViewerForm(self):
325: """add the viewer form"""
326: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','addDocumentViewer.zpt')).__of__(self)
327: return pt()
328:
329: def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None):
330: """add the viewer"""
331: newObj=documentViewer(id,imageViewerUrl,title)
332: self._setObject(id,newObj)
333:
334: if RESPONSE is not None:
335: RESPONSE.redirect('manage_main')
336:
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