make image links work

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@4081 fd906abe-77d9-0310-91a1-e0d9ade77398

wiki/README.txt

@@ -167,10 +167,29 @@ Media Objects
   >>> mmName = manager.getConfig('mediaManager')
   >>> mm = component.getAdapter(wiki, IMediaManager, name=mmName)
 
-  >>> media01 = mm.createObject('media01', 'Media Object #1')
+  >>> media01 = mm.createObject('media01.jpg', 'Media Object #1')
   >>> media01.setRawData('Some data we don\'t care about...')
   >>> media01.getRawData()
   "Some data..."
 
   >>> [(obj.name, obj.title) for obj in mm.listObjects()]
-  [('media01', 'Media Object #1')]
+  [('media01.jpg', 'Media Object #1')]
+
+Embed media objects (images) in Wiki text
+-----------------------------------------
+
+  >>> imagePage1 = wiki.createPage('with_image')
+  >>> imagePage1.text = '''
+  ... **A page with an image**
+  ...
+  ... .. image:: media01.jpg
+  ...
+  ... `Back to the Start Page <start_page>`_
+  ... '''
+
+  >>> print imagePage1.render(TestRequest())
+  <p><strong>A page with an image</strong></p>
+  <img src="http://127.0.0.1/demo_wiki/.media/media01.jpg" />
+  <p><a class="reference"
+        href="http://127.0.0.1/demo_wiki/start_page">Back to the Start Page</a></p>
+

wiki/base/config.py

@@ -94,6 +94,7 @@ class WikiConfiguration(BaseConfiguration):
                     parser='docutils.rstx',
                     writer='docutils.html',
                     linkManager='basic',
-                    nodeProcessors=dict(reference=['default']),
+                    nodeProcessors=dict(reference=['default'],
+                                        image=['default']),
                     mediaManager='default',
     )

wiki/base/link.py

@@ -58,12 +58,14 @@ class LinkProcessor(object):
         for link in lm.query(source=self.source, name=self.targetName):
             #link = existing.next()
             if link.target is not None:
-                target = manager.getObject(link.target)
+                #target = manager.getObject(link.target)
+                target = self.getTarget(manager, wiki, link.target)
             else:
                 target = None
             break
         else:
-            target = wiki.getPage(targetPageName)
+            #target = wiki.getPage(targetPageName)
+            target = self.findTarget(manager, wiki, targetPageName)
             link = lm.createLink(name=self.targetName,
                                  source=self.source, target=target)
         if fragment:
@@ -83,6 +85,12 @@ class LinkProcessor(object):
             self.markPresentation('create')
             self.addText('?')
 
+    def findTarget(self, manager, wiki, name):
+        return wiki.getPage(name)
+
+    def getTarget(self, manager, wiki, uid):
+        return manager.getObject(uid)
+
     def fragmentAndParams(self, fragment, params):
         f = p = ''
         if fragment:

wiki/base/media.py

@@ -24,6 +24,7 @@ $Id$
 
 from zope.component import adapts
 from zope.interface import implements
+from zope.traversing.browser import absoluteURL
 from cybertools.wiki.interfaces import IWiki, IMediaManager, IMediaObject
 
 
@@ -84,3 +85,17 @@ class MediaObject(object):
 
     def setRawData(self, data):
         self.data = data
+
+    # IWebResource
+
+    @property
+    def uid(self):
+        return self.getUid()
+
+    def getUid(self):
+        return self.parent.getManager().getUid(self)
+        #return self.getWiki().getManager().getUid(self)
+
+    def getURI(self, request):
+        return absoluteURL(self, request)
+

wiki/browser/default.pt

@@ -24,10 +24,13 @@
 
 <metal:content define-macro="wiki">
     <h1 tal:content="context/title">Wiki</h1>
+    <div>
+      <a tal:attributes="href string:${context/absolute_url}/media.html"
+         i18n:translate="">Media Manager</a></div>
+    <h2 i18n:translate="">Wiki Pages</h2>
     <div tal:repeat="page view/listPages">
       <a tal:attributes="href page/absolute_url"
-         tal:content="page/title" />
+         tal:content="page/title" /></div>
-    </div>
 </metal:content>
 
 

wiki/browser/media.pt

@@ -5,6 +5,9 @@
     <h1>
       <span tal:content="context/title" />:
       <span i18n:translate="">Media Manager</span></h1>
+    <div>
+      <a tal:attributes="href context/absolute_url"
+         i18n:translate="">Back to Wiki</a><br />&nbsp;</div>
     <form method="post" enctype="multipart/form-data">
       <input type="hidden" name="form_action" value="upload" />
       <div>

wiki/dcu/html.py

@@ -49,6 +49,17 @@ class BodyTranslator(HTMLTranslator):
     def astext(self):
         return u''.join(self.body_pre_docinfo + self.docinfo + self.body)
 
+    def visit_image(self, node):
+        # copied from docutils.writers.html4css1
+        atts = {}
+        atts['src'] = node['uri']
+        # TODO: provide processing of other attributes
+        suffix = '\n'
+        self.context.append('')
+        htmlNode = HTMLImageNode(self.document, node, atts)
+        self.processNode(htmlNode)
+        self.body.append(self.emptytag(node, 'img', suffix, **atts))
+
     def visit_reference(self, node):
         # copied from docutils.writers.html4css1
         if node.has_key('refuri'):
@@ -90,3 +101,8 @@ class HTMLNode(object):
 class HTMLReferenceNode(HTMLNode):
 
     pass
+
+
+class HTMLImageNode(HTMLNode):
+
+    pass

wiki/dcu/process.py

@@ -23,12 +23,14 @@ $Id: process.py 3153 2009-01-17 16:51:09Z helmutm $
 """
 
 from docutils.nodes import Text
+from zope import component
 from zope.cachedescriptors.property import Lazy
 from zope.component import adapts
 from zope.interface import implements
 
 from cybertools.wiki.base.link import LinkProcessor
-from cybertools.wiki.dcu.html import HTMLReferenceNode
+from cybertools.wiki.dcu.html import HTMLImageNode, HTMLReferenceNode
+from cybertools.wiki.interfaces import IMediaManager
 
 
 class Reference(LinkProcessor):
@@ -55,3 +57,27 @@ class Reference(LinkProcessor):
 
     def addText(self, text):
         self.context.node.insert(0, Text(text))
+
+
+class Image(Reference):
+
+    adapts(HTMLImageNode)
+
+    def findTarget(self, manager, wiki, text):
+        mmName = wiki.getConfig('mediaManager')
+        mm = component.getAdapter(wiki, IMediaManager, name=mmName)
+        return mm.getObject(text)
+
+    def getTarget(self, manager, wiki, uid):
+        return manager.getObject(uid)
+
+    def setURI(self, uri):
+        self.context.atts['src'] = uri
+
+    @Lazy
+    def targetName(self):
+        return self.context.node['uri']
+
+    def markPresentation(self, feature):
+        pass
+

wiki/generic/mixin.py

@@ -40,7 +40,7 @@ from cybertools.wiki.base.media import MediaObject
 from cybertools.wiki.base.wiki import WikiManager as BaseWikiManager
 from cybertools.wiki.base.wiki import Wiki as BaseWiki
 from cybertools.wiki.base.wiki import WikiPage as BaseWikiPage
-from cybertools.wiki.interfaces import IWikiConfigInfo
+from cybertools.wiki.interfaces import IWikiConfigInfo, IWikiPage
 
 
 class PersistentConfigInfo(PersistentMapping):
@@ -118,8 +118,8 @@ class Wiki(BaseWiki):
         return self.getId()
 
     def getPages(self):
-        # TODO: restrict to wiki page objects
+        return dict((k, v) for k, v in self.getItems()
-        return dict((k, v) for k, v in self.getItems())
+                           if IWikiPage.providedBy(v))
 
     def createPage(self, name, title, text=u''):
         self[name] = self.pageFactory(name)

wiki/tests.py

@@ -22,7 +22,7 @@ from cybertools.link.interfaces import ILinkManager
 from cybertools.wiki.dcu.html import Writer as DocutilsHTMLWriter
 from cybertools.wiki.dcu.rstx import Parser as DocutilsRstxParser
 from cybertools.wiki.dcu import process
-from cybertools.wiki.interfaces import IWiki, IWikiPage
+from cybertools.wiki.interfaces import IWiki, IWikiPage, IMediaObject
 #from cybertools.wiki.tracking import link
 
 
@@ -45,6 +45,13 @@ class PageURL(WikiURL):
                           self.context.name)
 
 
+class MediaURL(WikiURL):
+
+    def __call__(self):
+        return '%s/.media/%s' % (WikiURL(self.context.parent, self.request)(),
+                          self.context.name)
+
+
 class Test(unittest.TestCase):
     "Basic tests for the wiki package."
 
@@ -55,11 +62,13 @@ class Test(unittest.TestCase):
 def setUp(testCase):
     component.provideAdapter(WikiURL, (IWiki, IBrowserRequest), IAbsoluteURL)
     component.provideAdapter(PageURL, (IWikiPage, IBrowserRequest), IAbsoluteURL)
+    component.provideAdapter(MediaURL, (IMediaObject, IBrowserRequest), IAbsoluteURL)
     component.provideUtility(IntIdsStub())
     component.provideUtility(WikiConfiguration())
     component.provideUtility(DocutilsHTMLWriter(), name='docutils.html')
     component.provideUtility(DocutilsRstxParser(), name='docutils.rstx')
     component.provideAdapter(process.Reference, name='default')
+    component.provideAdapter(process.Image, name='default')
     component.provideUtility(LinkManager(), provides=ILinkManager,
                              name='cybertools.link')
     component.provideAdapter(WikiMediaManager, name='default')