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 | |
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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 | |
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