Wiki source code of Macros for the Blog Categories

Last modified by Administrator on 2011/11/06 20:09
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  1: {{include document="Blog.BlogCode"/}}
  2: 
  3: {{velocity output="false"}}
  4: ##
  5: ##
  6: ##
  7: #**
  8:  * Retrieves the list of blog entries from a given category. Entries belonging to subcategories
  9:  * are not returned.
 10:  * 
 11:  * @param category The name of the category (XDocument full name, for example 'MyBlog.Fishing').
 12:  * @param articles Return parameter, where the list of entries is placed.
 13:  * @param total Return parameter, where the total number of entries belonging to this category is
 14:  *        placed. Useful for a paginated view.
 15:  *###
 16: #macro(getEntriesForCategory $category $entries $totalEntries)
 17:   #set ($entries = $util.null)
 18:   #set ($totalEntries = $util.null)
 19:   #if ("$!{blogCategoryEntriesCache.containsKey($!{category})}" == 'true')
 20:     #setVariable ("$entries" $blogCategoryEntriesCache.get($!{category}).get(0))
 21:     #setVariable ("$totalEntries" $blogCategoryEntriesCache.get($!{category}).get(1))
 22:     #preparePagedViewParams ($totalEntries 10)
 23:   #else
 24:     #getCategoriesHierarchy ('' $tree)
 25:     #set ($subcategories = [])
 26:     #getSubcategories ($tree $category $subcategories)
 27:     #set ($categories = [${category}])
 28:     #set ($discard = $categories.addAll(${subcategories}))
 29:     #set ($parameters = '?')
 30:     #foreach ($subcategory in $subcategories)
 31:       #set ($parameters = $parameters.concat(', ?'))
 32:     #end
 33:     #getBlogEntriesBaseQuery ($query)
 34:     #set ($query = ", DBStringListProperty as categories join categories.list as category${query} and obj.id = categories.id.id and categories.id.name='category' and category in (${parameters})")
 35:     #set ($totalResult = $xwiki.countDocuments(${query}, ${categories}))
 36:     #preparePagedViewParams ($totalResult 10)
 37:     #set ($result = $xwiki.searchDocuments("${query} order by publishDate.value desc", $itemsPerPage, $startAt, ${categories}))
 38:     #if ("$!{blogCategoryEntriesCache.containsKey($!{category})}" == '')
 39:       #set ($blogCategoryEntriesCache = {})
 40:     #end
 41:     #set ($discard = $blogCategoryEntriesCache.put("$!{category}", [$result, $totalResult]))
 42:     #setVariable ("$entries" $result)
 43:     #setVariable ("$totalEntries" $totalResult)
 44:   #end
 45: #end
 46: #macro(getSubcategories $tree $category $subcategories)
 47:   #if(!$subcategories.contains($category))
 48:     #foreach($subcategory in $tree.get($category))
 49:       #set($discard = $subcategories.add($subcategory))
 50:       #getSubcategories($tree $subcategory $subcategories)
 51:     #end
 52:   #end
 53: #end
 54: ##
 55: ##
 56: ##
 57: #**
 58:  * Builds a tree of categories, respecting the parent<->subcategory relation. Each node holds the
 59:  * full name of the category's document. The root of the tree is 'Blog.Categories'.
 60:  * 
 61:  * @param space The space where to search for categories. If this parameter is an emptry string or
 62:  *        null, all the categories in the wiki are returned.
 63:  * @param tree Return parameter, HashMap<String, List<String>> structure holding the categories
 64:  *        hierarchy, where the key is the name of a category, and the value contains the names of
 65:  *        all its subcategories. To obtain the full hierarchy, start with the key 'Blog.Categories'.
 66:  *###
 67: #macro(getCategoriesHierarchy $space $tree)
 68:   #set ($tree = $util.null)
 69:   #if ("$!{blogCategoriesHierarchyCache.containsKey($!{space})}" == 'true')
 70:     #setVariable ("$tree" $blogCategoriesHierarchyCache.get($!{space}))
 71:   #else
 72:     #set ($result = {})
 73:     #set($query = ', BaseObject obj where ')
 74:     #if("$!space" != '')
 75:       #set($query = "${query}doc.space = '${space}' and ")
 76:     #end
 77:     #set($query = "${query}obj.name = doc.fullName and obj.className = '${blogCategoryClassname}' order by doc.name")
 78:     #foreach($category in $xwiki.searchDocuments($query))
 79:       #set($categoryDoc = $xwiki.getDocument($category))
 80:       #set($categoryParent = "$!categoryDoc.parent")
 81:       #if($categoryParent == '')
 82:         #set($categoryParent = $defaultCategoryParent)
 83:       #end
 84:       #if(!$result.containsKey($categoryParent))
 85:         #set($discard = $result.put($categoryParent, []))
 86:       #end
 87:       #set($discard = $result.get($categoryParent).add($category))
 88:     #end
 89:     #if ("$!{blogCategoriesHierarchyCache.containsKey($!{space})}" == '')
 90:       #set ($blogCategoriesHierarchyCache = {})
 91:     #end
 92:     #set ($discard = $blogCategoriesHierarchyCache.put("$!{space}", $result))
 93:     #setVariable ("$tree" $result)
 94:   #end
 95: #end
 96: ##
 97: ##
 98: ##
 99: #**
100:  * Displays the category hierarchy held in the <tt>tree</tt> parameter.
101:  * 
102:  * @param tree The category hierarchy, a HashMap<String, List<String>> structure, where the key
103:  *        is the name of a category, and the value contains the names of all its subcategories.
104:  * @param displayMethod Selects how to display the category tree. Possible values are:
105:  *        <ul>
106:  *        <li><em>"simple"</em>: tree with links to the category pages.</li>
107:  *        <li><em>"selectable"</em>: each category name in the tree is preceded by a checkbox.</li>
108:  *        <li><em>"option"</em>: wraps each category name in an &lt;option&gt; element, to be used
109:  *          in a select box.</li>
110:  *        <li><em>"editable"</em>: displays links to delete and edit each category, if the rights
111:  *          allow such actions.</li>
112:  *        </ul>
113:  *        For any other value, the default ("simple") is considered.
114:  *###
115: #macro(displayCategoriesHierarchy $tree $displayMethod)
116:   #set($processedCategories = $util.arrayList)
117:   #displayCategoriesHierarchyRecursive($tree $defaultCategoryParent 1 $displayMethod)
118: #end
119: ##
120: ##
121: ##
122: #**
123:  * Displays recursively the category hierarchy held in the <tt>tree</tt> parameter, starting at
124:  * the node indicated by the <tt>root</tt> parameter, which is on the <tt>level</tt>th level in
125:  * the tree.
126:  * 
127:  * @param tree The category hierarchy HashMap<String, List<String>> structure, where the key
128:  *        is the name of a category, and the value contains the names of all its subcategories.
129:  * @param root The full name of the document containing the category that is to be considered the
130:  *        root of the displayed subtree.
131:  * @param level The current depth of the tree, used for proper indentation.
132:  * @param displayMethod Selects how to display the category tree. Possible values are:
133:  *        <ul>
134:  *        <li><em>"simple"</em>: tree with links to the category pages.</li>
135:  *        <li><em>"selectable"</em>: each category name in the tree is preceded by a checkbox.</li>
136:  *        <li><em>"option"</em>: wraps each category name in an &lt;option&gt; element, to be used
137:  *          in a select box.</li>
138:  *        <li><em>"editable"</em>: displays links to delete and edit each category, if the rights
139:  *          allow such actions.</li>
140:  *        </ul>
141:  *        For any other value, the default ("simple") is considered.
142:  *###
143: #macro(displayCategoriesHierarchyRecursive $tree $root $level $displayMethod)
144:   #if(!$processedCategories)
145:     #set($processedCategories = $util.arrayList)
146:   #end
147:   #foreach($item in $tree.get($root))
148:     #if(!$processedCategories.contains($item))
149:       #set($discard = $processedCategories.add($item))
150:       #displayCategory($item $level $displayMethod)
151:       #displayCategoriesHierarchyRecursive($tree $item $mathtool.add($level, 1) $displayMethod)
152:     #end
153:   #end
154: #end
155: ##
156: ##
157: ##
158: #**
159:  * Displays a category as part of a category hierarchy.
160:  * 
161:  * @param name The full name of the document containing the category to be displayed.
162:  * @param level The depth where this category is in the tree, used for proper indentation.
163:  * @param displayMethod Selects how to display the category tree. Possible values are:
164:  *        <ul>
165:  *        <li><em>"simple"</em>: tree with links to the category pages.</li>
166:  *        <li><em>"selectable"</em>: each category name in the tree is preceded by a checkbox.</li>
167:  *        <li><em>"option"</em>: wraps each category name in an &lt;option&gt; element, to be used
168:  *          in a select box.</li>
169:  *        <li><em>"editable"</em>: displays links to delete and edit each category, if the rights
170:  *          allow such actions.</li>
171:  *        </ul>
172:  *        For any other value, the default ("simple") is considered.
173:  *###
174: #macro(displayCategory $name $level $displayMethod)
175:   #if("$!displayMethod" == "option")
176:     #displayOptionCategory($name $level)
177:   #elseif("$!displayMethod" == "selectable")
178:     #displaySelectableCategory($name $level)
179:   #elseif("$!displayMethod" == "editable")
180:     #displayEditableCategory($name $level)
181:   #else
182:     #displaySimpleCategory($name $level)
183:   #end
184: #end
185: ##
186: ##
187: ##
188: #**
189:  * Displays a category as part of a category hierarchy, preceded by a checkbox that allows choosing
190:  * this category for a blog entry.
191:  * 
192:  * @param name The full name of the document containing the category to be displayed.
193:  * @param level The depth where this category is in the tree, used for proper indentation.
194:  *###
195: #macro(displaySelectableCategory $name $level)
196:   #set($categoryDoc = $xwiki.getDocument($name))
197:   #set($nameUrl = $escapetool.url($name))
198:   #foreach($i in [1..$level])*#end ##
199: <span class="blog-category-level"><span class="blog-category">##
200: <label id='blog_category_${escapetool.xml($name)}' title="#getCategoryDescription($categoryDoc)"><input name="${blogPostClassname}_$!{entryObj.number}_category" value="${escapetool.xml($name)}" type="checkbox"#if($entryObj.getProperty('category').getValue().contains($name)) checked="checked" #end/> #getCategoryName($categoryDoc)</label>##
201: </span>##
202: #if($xwiki.hasAccessLevel('edit', $xcontext.user, $doc.fullName) && ("$!{request.xaction}" != "showAddCategory" || "$!{request.parentCategory}" != $name))
203: <span class="blog-category-tools">##
204: <a href="$doc.getURL('view', "xaction=showAddCategory&amp;parentCategory=$nameUrl")" class="tool add-subcategory">#toolImage('chart_organisation_add' 'Add a subcategory ')</a>##
205: </span>##
206: #end
207: </span>
208: #end
209: ##
210: ##
211: ##
212: #**
213:  * Displays a form for creating a new category. If a parentCategory parameter is present in the 
214:  * query string, the parent category is set accordingly. Otherwise, the form provides a selection
215:  * control for choosing the parent category among existing categories.
216:  *###
217: ## DO NOT CHANGE INDENTATION
218: #macro(addCategoryForm) <form action="$doc.getURL()" method="post" class="category-add-form"><div class='create-category'> <input type="hidden" name="form_token" value="$!{services.csrf.getToken()}" /> <input type="hidden" name="xaction" value="create"/> <label>$msg.get("xe.blog.categories.new")<br/> <input type="text" name="newCategoryName" class="category-name-input" /></label><br/>#if("$!{request.parentCategory}" == "")<label>#* $msg.get("xe.blog.categories.parent")*# Subcategory of:<br/> <select name="newCategoryParent" id="blog_category_selectBox" class="category-add-input"> <option value="${defaultCategoryParent}" selected="selected">None</option> $!processedCategories.clear() #displayCategoriesHierarchy($tree 'option') </select> <br/></label>#else<input type="hidden" name="newCategoryParent" value="${escapetool.xml($request.parentCategory)}"/>#end<span class="buttonwrapper"><input class="button" type="submit" value="Add" /></span> <a href="$doc.getURL()">Cancel</a> </div></form> #end
219: ##
220: ##
221: ##
222: #**
223:  * Displays a form for renaming a category.
224:  *###
225: ## DO NOT CHANGE INDENTATION
226: #macro(renameCategoryForm)##
227: <form action="$doc.getURL()" method="post" class="category-rename-form"><div class='rename-category'>##
228: <input type="hidden" name="form_token" value="$!{services.csrf.getToken()}" />
229: <input type="hidden" name="xaction" value="rename"/>##
230: <input type="hidden" name="category" value="${escapetool.xml($request.category)}"/>##
231: <label>$msg.get("xe.blog.categories.newName")<br/> <input type="text" name="newCategoryName" class="category-name-input" /></label><br/>##
232: <span class="buttonwrapper"><input class="button" type="submit" value="Rename" /></span> ##
233: <a href="$doc.getURL()">Cancel</a>##
234: </div></form>##
235: #end
236: ##
237: ##
238: ##
239: #**
240:  * Displays a category as part of a category hierarchy, followed by links for editing and deleting
241:  * this category, if the current user has the rights to perform these actions.
242:  * 
243:  * @param name The full name of the document containing the category to be displayed.
244:  * @param level The depth where this category is in the tree, used for proper indentation.
245:  *###
246: ## DO NOT CHANGE INDENTATION
247: #macro(displayEditableCategory $name $level)
248:   #getEntriesForCategory($name $discard $totalEntries)
249:   #set($nameUrl = $escapetool.url($name))
250:   #foreach($i in [1..$level])*#end ##
251: <span class="blog-category-level"><span class="blog-category">##
252: <a href="$xwiki.getURL('Blog.CategoryRss', 'view', "xpage=plain&amp;category=$nameUrl")" title="RSS"><img class="icon icon-manage" src="$xwiki.getSkinFile('icons/xwiki/rss-medium.png')" alt="[RSS]"/></a>##
253: [[#getCategoryName($xwiki.getDocument($name)) (% class="itemCount" %)($totalEntries)(%%)>>${name}]]</span> ##
254: <span class="blog-category-tools">##
255: #if($xwiki.hasAccessLevel('delete', $xcontext.user, $name) && ("$!{request.xaction}" != 'showRenameCategory' || "$!{request.category}" != $name))<a href="$xwiki.getURL('Blog.ManageCategories', 'view', "xaction=showRenameCategory&amp;category=$nameUrl")" class="tool rename">#toolImage('pencil' 'Rename ')</a>#end ##
256: #if($xwiki.hasAccessLevel('edit', $xcontext.user, $doc.fullName) && ("$!{request.xaction}" != "showAddCategory" || "$!{request.parentCategory}" != $name))<a href="$xwiki.getURL('Blog.ManageCategories', 'view', "xaction=showAddCategory&amp;parentCategory=$nameUrl")" class="tool add-subcategory">#toolImage('chart_organisation_add' 'Add a subcategory ')</a> #end ##
257: #if($xwiki.hasAccessLevel('delete', $xcontext.user, $name)) <a href="$xwiki.getURL('Blog.ManageCategories', 'view', "xaction=delete&amp;category=$nameUrl&amp;form_token=$!{services.csrf.getToken()}")" class="tool delete">#toolImage('cross' 'Delete ')</a>#end ##
258: </span>##
259: #if($xwiki.hasAccessLevel('edit', $xcontext.user, $doc.fullName) && "$!{request.xaction}" == "showRenameCategory" && "$!{request.category}" == $name) #renameCategoryForm() #end##
260: #if($xwiki.hasAccessLevel('edit', $xcontext.user, $doc.fullName) && "$!{request.xaction}" == "showAddCategory" && "$!{request.parentCategory}" == $name) #addCategoryForm() #end##
261: </span>
262: #end
263: ##
264: ##
265: ##
266: #**
267:  * Displays a category as part of a category hierarchy, wrapped in an &lt;option&gt; element, to
268:  *          be used in a select box.
269:  * 
270:  * @param name The full name of the document containing the category to be displayed.
271:  * @param level The depth where this category is in the tree, used for proper indentation.
272:  *###
273: #macro(displayOptionCategory $name $level)
274:   <option id="blog_category_${escapetool.xml($name)}_option" value="${escapetool.xml($name)}">#if($level > 1)#foreach($i in [2..$level])&nbsp;&nbsp;#end#end#getCategoryName($xwiki.getDocument($name))</option>
275: #end
276: ##
277: ##
278: ##
279: #**
280:  * Displays a category as part of a category hierarchy, wrapped in a link.
281:  * 
282:  * @param name The full name of the document containing the category to be displayed.
283:  * @param level The depth where this category is in the tree, used for proper indentation.
284:  *###
285: #macro(displaySimpleCategory $name $level)
286:   #getEntriesForCategory($name $discard $totalEntries)
287:   #set($nameUrl = $escapetool.url($name))
288:   #foreach($i in [1..$level])*#end <span class="blog-category-level"><a href="$xwiki.getURL('Blog.CategoryRss', 'view', "xpage=plain&amp;category=$nameUrl")" title="RSS">#toolImage('bullet_feed', '[RSS]')</a> <a href="$xwiki.getURL($name)">#getCategoryName($xwiki.getDocument($name))</a> <span class="itemCount"> ($totalEntries)</span></span>
289: #end
290: ##
291: ##
292: ##
293: #**
294:  * Prints the name of a category, indicated by its document.
295:  * The result is XML-escaped
296:  * 
297:  * @param categoryDoc The document containing the category to be displayed.
298:  *###
299: #macro(getCategoryName $categoryDoc)
300: ## Don't indent!
301: #set($result = "$!categoryDoc.getObject(${blogCategoryClassname}).getProperty('name').value.trim()")##
302: #if($result == '')
303: #set($result = $categoryDoc.name)
304: #end
305: $escapetool.xml($result)##
306: #end
307: ##
308: ##
309: ##
310: #**
311:  * Prints the description of a category, indicated by its document.
312:  * The result is XML-escaped
313:  * 
314:  * @param categoryDoc The document containing the category to be displayed.
315:  *###
316: #macro(getCategoryDescription $categoryDoc)
317: ## Don't indent!
318: $escapetool.xml($!categoryDoc.getObject(${blogCategoryClassname}).getProperty('description').value.trim())##
319: #end
320: ##
321: ##
322: ##
323: #**
324:  * Generates a form for creating a new category. The form allows to enter the name of the new
325:  * category, and select a parent category from the existing ones.
326:  * 
327:  * @param tree The category hierarchy, a HashMap<String, List<String>> structure, where the key
328:  *        is the name of a category, and the value contains the names of all its subcategories.
329:  * @todo When javascript is disabled, a link to "Manage categories" should be displayed instead.
330:  *       This "form" should be created from javascript.
331:  *###
332: #macro(showCreateCategoryBoxWithForm $tree)
333:   <form action="" method="post">
334:   #showCreateCategoryBox($tree)
335:   </form>
336: #end
337: #**
338:  * Generates a box for creating a new category. This allows to enter the name of the new
339:  * category, and select a parent category from the existing ones. Note that this does not create
340:  * a HTML form element, but requires one to be defined already as its ancestor.
341:  * 
342:  * @param tree The category hierarchy HashMap<String, List<String>> structure, where the key
343:  *        is the name of a category, and the value contains the names of all its subcategories.
344:  * @todo When javascript is disabled, a link to "Manage categories" should be displayed instead.
345:  *       This "form" should be created from javascript.
346:  *###
347: #macro(showCreateCategoryBox $tree)
348:   <div class='create-category'>
349:     <input type="hidden" name="form_token" value="$!{services.csrf.getToken()}" />
350:     <input type="hidden" name="xaction" value="create"/>
351:     <label>$msg.get("xe.blog.categories.new") <input type="text" name="newCategoryName" /></label>
352:     <label>$msg.get("xe.blog.categories.parent")
353:       <select name="newCategoryParent" id="blog_category_selectBox">
354:         <option value="${defaultCategoryParent}" selected="selected">None</option>
355:         $!processedCategories.clear()##
356:         #displayCategoriesHierarchy($tree 'option')
357:       </select>
358:     </label>
359:     <span class="buttonwrapper"><input class="button" type="button" value="Add" id="blog_AddCategoryButton" /></span>
360:   </div>
361: #end
362: ##
363: ##
364: ##
365: #macro(displayCategoryManagementTree $space $displayType)
366: <div class="blog-categories-list">
367:   #getCategoriesHierarchy("$!{space}" $tree)
368:   #displayCategoriesHierarchy($tree $displayType)
369:   #if($xwiki.hasAccessLevel('edit', $xcontext.user, $doc.fullName))
370:     * <span class="blog-add-category-label"><a href="$doc.getURL('view', "xaction=showAddCategory&amp;parentCategory=")">$msg.get("xe.blog.categories.addcategory")</a></span>
371:      #if("$!{request.xaction}" == "showAddCategory" && "$!{request.parentCategory}" == "") #addCategoryForm() #end
372:   #end
373: 
374: 
375: </div>
376: #end
377: ##
378: ##
379: ##
380: #**
381:  * Deletes a category, moving all the subcategories to its parent and removing this category from
382:  * all existing blog entries.
383:  * 
384:  * @param category The full name of the document containing the category to be deleted.
385:  *###
386: #macro(deleteCategory $category)
387:   #set($categoryDoc = $xwiki.getDocument($category))
388:   #set($categoryParent = "$!categoryDoc.parent")
389:   #if($categoryParent == '')
390:     #set($categoryParent = "{$defaultCategoryParent}"))
391:   #end
392:   #set($parameterValues = ["$!{category}"])
393:   #set($query = ', BaseObject obj where ')
394:   #if($space != '')
395:     #set($query = "${query}doc.space = '${space}' and ")
396:   #end
397:   #set($query = "${query}obj.name = doc.fullName and obj.className = '${blogCategoryClassname}' and doc.fullName <> 'Blog.CategoryTemplate' and doc.parent = ? order by doc.name")
398:   #foreach($item in $xwiki.searchDocuments($query, $parameterValues))
399:     #if($xwiki.hasAccessLevel('edit', $xcontext.user, $item) && $!{services.csrf.isTokenValid("$!{request.getParameter('form_token')}")})
400:       #set($subcategoryDoc = $xwiki.getDocument($item))
401:       $subcategoryDoc.setParent($categoryParent)
402:       $subcategoryDoc.save($msg.get('xe.blog.manageCategories.comment.updatedParent'), true)
403:     #end
404:   #end
405:   #set($query = ', BaseObject obj, DBStringListProperty categories join categories.list as category where ')
406:   #if($space != '')
407:     #set($query = "${query}doc.space = '${space}' and ")
408:   #end
409:   #set($query = "${query}obj.name = doc.fullName and obj.className = '${blogPostClassname}' and doc.fullName <> 'Blog.BlogPostTemplate' and categories.id.id = obj.id and categories.id.name = 'category' and category = ? order by doc.name")
410:   #foreach($item in $xwiki.searchDocuments($query, $parameterValues))
411:     #if($xwiki.hasAccessLevel('edit', $xcontext.user, $item) && $!{services.csrf.isTokenValid("$!{request.getParameter('form_token')}")})
412:       #set($blogEntryDoc = $xwiki.getDocument($item))
413:       #set($discard = $blogEntryDoc.getObject(${blogPostClassname}).getProperty('category').value.remove($category))
414:       $blogEntryDoc.save($msg.get('xe.blog.manageCategories.comment.removedDeletedCategory'), true)
415:     #end
416:   #end
417:   $categoryDoc.delete()
418: #end
419: ##
420: ##
421: ##
422: #**
423:  * Renames a category, updating all the subcategories and all existing blog entries.
424:  * 
425:  * @param category The full name of the document containing the category to be renamed.
426:  * @param newCategoryName The new name of the category.
427:  *###
428: #macro(renameCategory $category $newCategoryName)
429:   #set($categoryDoc = $xwiki.getDocument($category))
430:   #set($newCategoryDoc = $xwiki.getDocument($newCategoryName))
431:   #set($parameterValues = ["$!{category}"])
432:   #set($query = ', BaseObject obj where ')
433:   #set($query = "${query}obj.name = doc.fullName and obj.className = '${blogCategoryClassname}' and doc.fullName <> 'Blog.CategoryTemplate' and doc.parent = ? order by doc.name")
434:   #foreach($item in $xwiki.searchDocuments($query, $parameterValues))
435:     #if($xwiki.hasAccessLevel('edit', $xcontext.user, $item) && $!{services.csrf.isTokenValid("$!{request.getParameter('form_token')}")})
436:       #set($subcategoryDoc = $xwiki.getDocument($item))
437:       $subcategoryDoc.setParent($newCategoryDoc.fullName)
438:       $subcategoryDoc.save($msg.get('xe.blog.manageCategories.comment.updatedParent'), true)
439:     #end
440:   #end
441:   #set($query = ', BaseObject obj, DBStringListProperty categories join categories.list as category where ')
442:   #set($query = "${query}obj.name = doc.fullName and obj.className = '${blogPostClassname}' and doc.fullName <> 'Blog.BlogPostTemplate' and categories.id.id = obj.id and categories.id.name = 'category' and category = ? order by doc.name")
443:   #foreach($item in $xwiki.searchDocuments($query, $parameterValues))
444:     #if($xwiki.hasAccessLevel('edit', $xcontext.user, $item) && $!{services.csrf.isTokenValid("$!{request.getParameter('form_token')}")})
445:       #set($blogEntryDoc = $xwiki.getDocument($item))
446:       #set($discard = $blogEntryDoc.getObject(${blogPostClassname}).getProperty('category').value.remove($category))
447:       #set($discard = $blogEntryDoc.getObject(${blogPostClassname}).getProperty('category').value.add($newCategoryDoc.fullName))
448:       $blogEntryDoc.save($msg.get('xe.blog.manageCategories.comment.updatedRenamedCategory'), true)
449:     #end
450:   #end
451:   #if ($!{services.csrf.isTokenValid("$!{request.getParameter('form_token')}")})
452:     $categoryDoc.getObject('Blog.CategoryClass').set('name', $newCategoryName)
453:     $categoryDoc.save($msg.get('xe.blog.manageCategories.comment.updatedCategory'), true)
454:     $categoryDoc.rename($newCategoryName)
455:   #end
456: #end
457: {{/velocity}}
Wiki source code of Macros for the Blog Categories

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