From b2b442861881b827459d677dd8b41cfce2b55f3e Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Sun, 28 Oct 2012 10:10:24 +0100
Subject: [PATCH] book section: show navigation links to previous and next
 sections

---
 compound/book/browser.py     | 31 +++++++++++++++++++++++++++++++
 compound/book/view_macros.pt | 18 ++++++++++++++++++
 knowledge/browser.py         |  2 +-
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/compound/book/browser.py b/compound/book/browser.py
index 533e12d..6b55e5f 100644
--- a/compound/book/browser.py
+++ b/compound/book/browser.py
@@ -41,6 +41,10 @@ book_template = ViewPageTemplateFile('view_macros.pt')
 
 class Base(object):
 
+    @Lazy
+    def book_macros(self):
+        return book_template.macros
+
     @Lazy
     def isPartOfPredicate(self):
         return self.conceptManager['ispartof']
@@ -50,6 +54,29 @@ class Base(object):
         for p in self.context.getParents([self.isPartOfPredicate]):
             return self.nodeView.getViewForTarget(p)
 
+    @Lazy
+    def neighbours(self):
+        pred = succ = None
+        parent = self.breadcrumbsParent
+        if parent is not None:
+            myself = None
+            children = list(parent.context.getChildren([self.isPartOfPredicate]))
+            for idx, c in enumerate(children):
+                if c == self.context:
+                    if idx > 0:
+                        pred = self.nodeView.getViewForTarget(children[idx-1])
+                    if idx < len(children) - 1:
+                        succ = self.nodeView.getViewForTarget(children[idx+1])
+        return pred, succ
+
+    @Lazy
+    def predecessor(self):
+        return self.neighbours[0]
+
+    @Lazy
+    def successor(self):
+        return self.neighbours[1]
+
     @Lazy
     def tabview(self):
         if self.editable:
@@ -73,6 +100,10 @@ class SectionView(Base, ConceptView):
     def documentTypeType(self):
         return self.conceptManager['documenttype']
 
+    @Lazy
+    def showNavigation(self):
+        return self.typeOptions.show_navigation
+
     @Lazy
     def sectionType(self):
         return self.conceptManager['section']
diff --git a/compound/book/view_macros.pt b/compound/book/view_macros.pt
index cef53c2..e37ddf4 100644
--- a/compound/book/view_macros.pt
+++ b/compound/book/view_macros.pt
@@ -13,6 +13,21 @@
 
 
 <metal:section define-macro="section">
+  <metal:navigation define-macro="navigation"
+                    tal:condition="item/showNavigation">
+    <div tal:define="parent nocall:item/breadcrumbsParent;
+                     pred nocall:item/predecessor;
+                     succ nocall:item/successor">
+      <span tal:condition="nocall:pred">
+        <a tal:attributes="href pred/targetUrl"
+           tal:content="pred/title" /> &lt; </span>
+      <a tal:attributes="href parent/targetUrl"
+         tal:content="parent/title" />
+      <span tal:condition="nocall:succ"> &gt;
+        <a tal:attributes="href succ/targetUrl"
+           tal:content="succ/title" /></span>
+    </div>
+  </metal:navigation>
   <metal:info use-macro="view/concept_macros/concepttitle" />
   <div tal:repeat="related item/textResources">
     <div class="span-4">
@@ -57,6 +72,9 @@
       </div>
     </div>
   </div>
+  <br style="clear: both" />
+  <metal:navigation use-macro="item/book_macros/navigation" />
+  <br />
 </metal:section>
 
 
diff --git a/knowledge/browser.py b/knowledge/browser.py
index 8a7a281..fd9a8ed 100644
--- a/knowledge/browser.py
+++ b/knowledge/browser.py
@@ -61,7 +61,7 @@ actions.register('editTopic', 'portlet', DialogAction,
 
 actions.register('createQualification', 'portlet', DialogAction,
         title=_(u'Create Qualification Record...'),
-        description=_(u'Create a work item for this person.'),
+        description=_(u'Create a qualification record for this person.'),
         viewName='create_qualification.html',
         dialogName='createQualification',
         prerequisites=['registerDojoDateWidget', 'registerDojoNumberWidget',