* Code for task #90971.

module/api/control.php

@@ -169,12 +169,32 @@ class api extends control
             $this->view->actions  = $apiID ? $this->action->getList('api', $apiID) : array();
         }
 
+        /* Crumbs links array. */
+        $lib = zget($libs, $libID);
+        $type = $lib->product ? 'product' : ($lib->project ? 'project' : 'unlink');
+
+        $methodName = $type != 'unlink' ? $type . 'Space' : 'index';
+        if($this->app->tab == 'doc') $methodName = 'index';
+
+        $linkObject = zget($lib, $type, 0);
+        $linkParams = "libID=$lib->id";
+        if($methodName != 'index') $linkParams = "objectID=$linkObject&$linkParams";
+
+        $crumbs[]   = html::a(inLink($methodName, $linkParams), html::image("static/svg/interface.svg") . $lib->name);
+        $moduleList = $this->loadModel('tree')->getParents($api->module);
+        foreach($moduleList as $module)
+        {
+            $linkParams .= "&moduleID=$module->id";
+            $crumbs[]    = html::a(inLink($methodName, $linkParams), $module->name);
+        }
+
         $this->view->title          = $this->lang->api->pageTitle;
         $this->view->libs           = $libs;
         $this->view->isRelease      = $release > 0;
         $this->view->release        = $release;
         $this->view->libID          = $libID;
         $this->view->apiID          = $apiID;
+        $this->view->crumbs         = $crumbs;
         $this->view->users          = $this->user->getPairs('noclosed,noletter');
         $this->view->moduleTree     = $this->doc->getApiModuleTree($libID, $apiID, $release, $moduleID);
         $this->view->objectDropdown = $this->generateLibsDropMenu($libs[$libID], $release);

module/api/css/common.css

@@ -159,3 +159,7 @@ form .table-data, #content .table-data {border: 1px solid #e2e2e3;}
 
 .paramsTable th {text-align: left!important; font-size: 14px;}
 .paramsTable td {text-align: left;}
+
+.info .version, .info .crumbs {float: left;}
+.info .crumbs {font-size: 13px; margin-top: 5px; font-weight: normal;}
+.info .crumbs img {margin-right: 3px;}

module/api/view/content.html.php

@@ -20,6 +20,7 @@
                   </ul>
                 </div>
               </div>
+              <div class="crumbs"><?php echo implode(' > ', $crumbs);?></div>
             </div>
             <div class="actions">
               <?php echo html::a("javascript:fullScreen()", '<span class="icon-fullscreen"></span>', '', "title='{$lang->fullscreen}' class='btn btn-link fullscreen-btn'");?>

module/doc/control.php

@@ -1218,6 +1218,27 @@ class doc extends control
         $doc       = $docID ? $doc : '';
         $spaceType = $objectType . 'Space';
 
+        /* Crumbs links array. */
+        $methodName = in_array($type, array('product', 'project')) ? $objectType . 'Space' : 'tableContents';
+        $linkObject = zget($lib, $type, 0);
+        if($this->app->tab == 'execution' and $objectType == 'execution') $linkObject = zget($lib, 'execution', 0);
+
+        $linkParams = "objectID=$linkObject&libID=$lib->id";
+        if($this->app->tab == 'execution' or $objectType == 'custom')
+        {
+            $linkParams = "objectType=$objectType&$linkParams";
+            $methodName = 'tableContents';
+        }
+
+        $crumbs[] = html::a(inLink($methodName, $linkParams), html::image("static/svg/wiki-file-lib.svg") . $lib->name);
+
+        $moduleList = $this->loadModel('tree')->getParents($doc->module);
+        foreach($moduleList as $module)
+        {
+            $linkParams .= "&moduleID=$module->id";
+            $crumbs[]    = html::a(inLink($methodName, $linkParams), $module->name);
+        }
+
         $this->view->title        = isset($this->lang->doc->{$spaceType}) ? $this->lang->doc->{$spaceType} : $this->lang->doc->common;
         $this->view->docID        = $docID;
         $this->view->doc          = $doc;
@@ -1227,6 +1248,7 @@ class doc extends control
         $this->view->objectType   = $objectType;
         $this->view->type         = $type;
         $this->view->libID        = $libID;
+        $this->view->crumbs       = $crumbs;
         $this->view->lib          = isset($libs[$libID]) ? $libs[$libID] : new stdclass();
         $this->view->libs         = $this->doc->getLibsByObject($type, $objectID);
         $this->view->canBeChanged = common::canModify($type, $object); // Determines whether an object is editable.

module/doc/css/view.css

@@ -56,3 +56,7 @@
 .flex-content > #history {flex: 0 0 302px; position: relative;}
 .flex-content > #history > #closeIcon {position: absolute; right: 10px; top: 10px;}
 .panel {margin-bottom: 0;}
+
+.info .version, .info .crumbs {float: left;}
+.info .crumbs {font-size: 13px; margin-top: 5px; font-weight: normal;}
+.info .crumbs img {margin-right: 3px;}

module/doc/view/content.html.php

@@ -28,6 +28,7 @@
             </div>
             <div class="user"></div>
             <div class="time"></div>
+            <div class="crumbs"><?php echo implode(' > ', $crumbs);?></div>
           </div>
           <div class="actions">
             <span class='text'><?php echo$lang->doc->diff?></span>