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Update copyrights 2014.
[tools/siman.git] / Workspace / Siman / src / org / splat / simer / OpenStudy.java
index 0769013e3bbae45424fd58d3ac7e04e2e8de4fd9..50e3c30dd09733f79980fa71b37f5f182c9004ad 100644 (file)
@@ -3,7 +3,7 @@ package org.splat.simer;
 /**
  * 
  * @author    Daniel Brunier-Coulin
- * @copyright OPEN CASCADE 2012
+ * @copyright OPEN CASCADE 2012-2014
  */
 
 import java.io.File;
@@ -14,7 +14,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.ResourceBundle;
 
-import org.apache.log4j.Logger;
 import org.splat.dal.bo.kernel.User;
 import org.splat.dal.bo.som.Document;
 import org.splat.dal.bo.som.DocumentType;
@@ -24,7 +23,9 @@ import org.splat.dal.bo.som.Publication;
 import org.splat.dal.bo.som.Scenario;
 import org.splat.dal.bo.som.SimulationContext;
 import org.splat.dal.bo.som.Study;
+import org.splat.dal.bo.som.UsesRelation;
 import org.splat.kernel.Do;
+import org.splat.log.AppLogger;
 import org.splat.manox.Toolbox;
 import org.splat.manox.Writer;
 import org.splat.service.DocumentService;
@@ -38,21 +39,46 @@ import org.splat.som.Step;
 import org.splat.som.StepRights;
 import org.splat.som.StudyRights;
 import org.splat.util.BeanHelper;
+import org.splat.wapp.Constants;
 import org.splat.wapp.ToolBar;
 
-public class OpenStudy extends OpenObject implements OpenStudyServices {
+/**
+ * Presentation of the currently open study.
+ */
+public class OpenStudy extends AbstractOpenObject implements OpenStudyServices {
 
        /**
         * Serial version ID.
         */
-       protected final static Logger LOGGER = org.splat.simer.Action.LOG;
+       protected final static AppLogger LOGGER = org.splat.simer.Action.LOG;
 
+       /**
+        * The currently open study.
+        */
        private transient Study _mystudy;
-       private transient StudyRights _urightstudy; // User rights on the open study
-       private transient StepRights _urightstep; // User rights on the selected step
+       /**
+        * User rights on the open study.
+        */
+       private transient StudyRights _urightstudy;
+       /**
+        * User rights on the selected step.
+        */
+       private transient StepRights _urightstep;
+       /**
+        * The study version.
+        */
        private transient String _version;
+       /**
+        * The study creation date.
+        */
        private transient String _credate;
+       /**
+        * The study modification date.
+        */
        private transient String _lasdate;
+       /**
+        * The selected document publication.
+        */
        private transient Publication _selecdoc;
        /**
         * Injected step service.
@@ -75,9 +101,9 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
         */
        private StudyService _studyService;
 
-       // ==============================================================================================================================
+       // =========================================================================
        // Constructor
-       // ==============================================================================================================================
+       // =========================================================================
 
        /**
         * Open the given study in the current http session.
@@ -92,128 +118,276 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                ResourceBundle custom = ResourceBundle.getBundle("som",
                                getApplicationSettings().getCurrentLocale());
                SimpleDateFormat datstring = new SimpleDateFormat(custom
-                               .getString("date.format"));
+                               .getString("date.format"), getApplicationSettings()
+                               .getCurrentLocale());
                Revision.Format verstring = new Revision.Format(getProjectSettings()
                                .getRevisionPattern());
 
-               cuser = user; // May be null if nobody connected
+               _cuser = user; // May be null if nobody connected
+               if(!study.equals(_mystudy)) {
+                       _selection = "0.1"; // Default selection
+               }
                _mystudy = study;
-               selection = "0.1"; // Default selection
                _selecdoc = null;
 
                // Preparation of the display
                _version = verstring.format(_mystudy.getVersion());
                _credate = datstring.format(_mystudy.getDate());
-               _lasdate = ""; // Not yet supported
-               description = _mystudy.getDescription();
-               involving = new ArrayList<Step>(1);
-               context = new ArrayList<SimulationContextFacade>();
-               ustep = getProjectElementService().getFirstStep(_mystudy);
-               ustep.setActor(cuser);
-               involving.add(ustep);
-               for (Iterator<SimulationContext> i = ustep.getAllSimulationContexts()
+               _lasdate = datstring.format(_mystudy.getLastModificationDate());
+               _description = _mystudy.getDescription();
+               //_involving = new ArrayList<Step>(1);
+               _context = new ArrayList<SimulationContextFacade>();
+               if (_selection.equals("0.1")) {
+                       _ustep = getProjectElementService().getFirstStep(_mystudy);
+               }
+               _ustep.setActor(_cuser);        
+               if ((_involving.isEmpty()) || (_involving.get(0).getOwnerStudy().getIndex()
+                               != _ustep.getOwnerStudy().getIndex())) {
+                       _involving.clear();
+                       _involving.add(_ustep);
+               }
+               for (Iterator<SimulationContext> i = _ustep.getAllSimulationContexts()
                                .iterator(); i.hasNext();) {
-                       context.add(new SimulationContextFacade(i.next(),
-                                       getProjectSettings().getAllSteps()));
+                       _context.add(new SimulationContextFacade(i.next(),
+                                       getProjectSettings().getAllSteps(),
+                                       getApplicationSettings()));
                }
-               if (getStudyService().isStaffedBy(_mystudy, cuser)
-                               || getStudyService().hasActor(_mystudy, cuser)) {
+               if (getStudyService().isStaffedBy(_mystudy, _cuser)
+                               || getStudyService().hasActor(_mystudy, _cuser)) {
                        // ProgressState state = mystudy.getProgressState();
                        // if (state == ProgressState.inCHECK) popup = getApplicationSettings().getPopupMenu("stapprovable");
                        // else if (state == ProgressState.APPROVED) popup = getApplicationSettings().getPopupMenu("stapproved");
-                       /* else */popup = getApplicationSettings().getPopupMenu(
-                                       "steditable");
-                       popup.setContext("study", new StudyRights(cuser, _mystudy));
+                       /* else */
+
+                       if (_mystudy.getProgressState() == ProgressState.TEMPLATE) {
+                               if (_mystudy.isPublic()) {
+                                       _popup = getApplicationSettings().getPopupMenu(
+                                                       "steditableunmarkprivate");
+                               } else {
+                                       _popup = getApplicationSettings().getPopupMenu(
+                                                       "steditableunmarkpublic");
+                               }
+                       } else {
+
+                               if (_mystudy.isPublic()) {
+                                       _popup = getApplicationSettings().getPopupMenu(
+                                                       "steditablemarkprivate");
+                               } else {
+                                       String key = null;
+                                       switch(_mystudy.getProgressState()) {
+                                               case inWORK:
+                                                       key = "steditable";
+                                                       break;
+                                               case inDRAFT:
+                                                       key = "streviewable";
+                                                       break;
+                                               case inCHECK:
+                                                       key = "stapprovable";
+                                                       break;
+                                               default: // APPROVED
+                                                       key = "steditablemarkpublic";
+                                                       break;
+                                       }
+                                       if(Long.valueOf(getSelectedScenarioId()) != 0) {
+                                               key += "ScenarioSelected";
+                                       }
+                                       _popup = getApplicationSettings().getPopupMenu(key);
+                               }
+
+                       }
+                       _popup.setContext(Constants.STUDY_MENU, new StudyRights(_cuser,
+                                       _mystudy));
                }
-               _urightstudy = new StudyRights(cuser, _mystudy);
-               _urightstep = new StepRights(cuser, ustep);
+               _urightstudy = new StudyRights(_cuser, _mystudy);
+               _urightstep = new StepRights(_cuser, _ustep);
 
                // RKV menu = new StudyMenu(mystudy);
-               menu = (getMenu()).init(_mystudy); // RKV
-               menu.selects(selection); // Initializes menu items to be displayed
+               _menu = (getMenu()).init(_mystudy); // RKV
+               _menu.selects(_selection); // Initializes menu items to be displayed
                setupContents(); // Initializes documents and knowledge at ustep
                return this;
        }
 
-       // ==============================================================================================================================
+       // =========================================================================
        // Getters
-       // ==============================================================================================================================
+       // =========================================================================
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getAuthorName()
+        */
+       @Override
        public String getAuthorName() {
                return _mystudy.getAuthor().toString();
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getIndex()
+        */
+       @Override
        public Long getIndex() {
                return _mystudy.getIndex();
        }
 
+       /**
+        * Get creation date.
+        * 
+        * @return the date
+        */
        public String getDate() {
                return _credate;
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.simer.AbstractOpenObject#getMenu()
+        */
        @Override
        public StudyMenu getMenu() {
-               return (StudyMenu) menu;
+               return (StudyMenu) _menu;
        }
 
+       /**
+        * Set study menu.
+        * 
+        * @param aMenu
+        *            the study menu
+        */
        public void setMenu(final StudyMenu aMenu) {
-               menu = aMenu;
+               _menu = aMenu;
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getProgressState()
+        */
+       @Override
        public ProgressState getProgressState() {
                return _mystudy.getProgressState();
        }
 
+       /**
+        * Get last modification date.
+        * 
+        * @return the date
+        */
        public String getLastModificationDate() {
                return _lasdate;
        }
 
+       /**
+        * Get the toolbar with buttons of available modules.
+        * 
+        * @return the toolbar
+        */
        public ToolBar getModuleBar() {
                return getApplicationSettings().getModuleBar(getSelectedStep());
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getReference()
+        */
+       @Override
        public String getReference() {
                return _mystudy.getReference();
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.simer.OpenStudyServices#getSelectedDocument()
+        */
+       @Override
        public Publication getSelectedDocument() {
                return _selecdoc;
        }
 
+       /**
+        * Get user rights for the selected step.
+        * 
+        * @return user step rights
+        */
        public StepRights getSelectedStepRights() {
                return _urightstep;
        }
 
+       /**
+        * Get user rights for the study.
+        * 
+        * @return user study rights
+        */
        public StudyRights getStudyRights() {
                return _urightstudy;
        }
 
+       /**
+        * Get the detached study object.
+        * 
+        * @return the detached study object
+        */
        public Study getStudyObject() {
                return _mystudy;
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getTitle()
+        */
+       @Override
        public String getTitle() {
                return _mystudy.getTitle();
        }
 
+       /**
+        * {@inheritDoc}
+        * 
+        * @see org.splat.service.dto.Proxy#getType()
+        */
+       @Override
        public String getType() {
-               return ResourceBundle.getBundle("labels",
-                               getApplicationSettings().getCurrentLocale()).getString(
-                               "label.study");
+               return Constants.STUDY_MENU;
+       }
+       
+       /** 
+        * {@inheritDoc}
+        * @see org.splat.simer.AbstractOpenObject#getTypeName()
+        */
+       @Override
+       public String getTypeName() {
+               return ResourceBundle.getBundle("labels", getApplicationSettings().getCurrentLocale()).getString( "label.study");
        }
 
+       /**
+        * Get the study version.
+        * 
+        * @return the version string
+        */
        public String getVersion() {
                return _version;
        }
 
+       /**
+        * Check if the selected step is enabled for writing.
+        * 
+        * @return true if the selected step is enabled for writing
+        */
        public boolean isStepEnabled() {
                return _urightstep.isEnabled();
        }
 
-       // ==============================================================================================================================
+       // =========================================================================
        // Public services
-       // ==============================================================================================================================
+       // =========================================================================
 
+       @Override
        public URL newTemplateBasedDocument(final String typename, final User author) {
                String filename = typename + ".xml"; // Only XML templates are writeable
                File template = new File(getRepositoryService().getTemplatePath()
@@ -250,7 +424,8 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                        ResourceBundle locale = ResourceBundle.getBundle("som",
                                        getApplicationSettings().getCurrentLocale());
                        SimpleDateFormat get = new SimpleDateFormat(locale
-                                       .getString("date.format"));
+                                       .getString("date.format"), getApplicationSettings()
+                                       .getCurrentLocale());
                        Writer tool = Toolbox.getWriter(credoc);
                        List<Step> slist = getInvolvedSteps();
                        for (Iterator<Step> i = slist.iterator(); i.hasNext();) {
@@ -264,7 +439,7 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                                }
                        }
                        tool.updateProperty("reference", medoc.getReference());
-                       tool.updateProperty("study", _mystudy.getTitle());
+                       tool.updateProperty(Constants.STUDY_MENU, _mystudy.getTitle());
                        tool.updateProperty("step", locale.getString(
                                        "folder.step." + step.getNumber()).replaceAll("''", "'"));
                        tool.updateProperty("author", author.getUsername().toUpperCase());
@@ -289,59 +464,88 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                                String path = docurl.substring(prefix.length());
                                Document value = getDocumentService().getDocumentByPath(path);
 
-                               _selecdoc = ustep.getDocument(value.getIndex());
+                               _selecdoc = _ustep.getDocument(value.getIndex());
                        } catch (Exception error) {
                                LOGGER.error("Reason:", error);
                        }
                }
        }
 
+       /**
+        * Select an activity (step).
+        * 
+        * @param step
+        *            the key of the step to select
+        */
        public void setSelection(final String step) {
-               if (!step.equals(selection)) {
-                       selection = step;
+               if (!step.equals(_selection)) {
+                       _selection = step;
                        _selecdoc = null;
                        setupPreviousToSelectedSteps();
                        updateSimulationContexts(); // Initializes contexts according to the selected steps
                }
-               ustep = involving.get(involving.size() - 1);
-               _urightstep = new StepRights(cuser, ustep);
-               ustep.setActor(cuser);
-               menu.selects(selection); // Updates menu items to be displayed
+               _ustep = _involving.get(_involving.size() - 1);
+               _urightstep = new StepRights(_cuser, _ustep);
+               _ustep.setActor(_cuser);
+               _menu.selects(_selection); // Updates menu items to be displayed
                setupContents(); // The contents may have changed even if the selection is the same
        }
 
-       // ==============================================================================================================================
+       // =========================================================================
        // Protected services
-       // ==============================================================================================================================
+       // =========================================================================
 
+       /**
+        * Add a new document presentation facade.
+        * 
+        * @param doc
+        *            the document publication
+        */
        protected void add(final Publication doc) {
                DocumentFacade facade = new DocumentFacade(this, doc,
-                               getProjectSettings(), getPublicationService());
-               boolean first = (contents.size() == 0);
+                               getProjectSettings(), getPublicationService(),
+                               getApplicationSettings());
+               boolean first = (_contents.size() == 0);
 
-               docpres.put(doc.getIndex(), facade);
-               contents.add(0, facade); // Prepend the new publication
+               _docpres.put(doc.getIndex(), facade);
+               _contents.add(0, facade); // Prepend the new publication
                if (first) {
                        this.getMenu().refreshSelectedItem();
                }
-
+               // Refresh dependencies. They can not be removed until removing this document.
+               for (Publication pub : doc.getRelations(UsesRelation.class)) {
+                       update(pub);
+               }
        }
 
+       /**
+        * Add a simulation context presentation facade.
+        * 
+        * @param contex
+        *            the simulation context to add
+        */
        protected void add(final SimulationContext contex) {
                SimulationContextFacade facade = new SimulationContextFacade(contex,
-                               getProjectSettings().getAllSteps());
+                               getProjectSettings().getAllSteps(), getApplicationSettings());
 
-               context.add(facade);
+               _context.add(facade);
        }
 
+       /**
+        * Add a knowledge element presentation facade.
+        * 
+        * @param kelm
+        *            the knowledge element to add
+        */
        protected void add(final KnowledgeElement kelm) {
                KnowledgeElementFacade facade = new KnowledgeElementFacade(BeanHelper
-                               .copyBean(kelm, KnowledgeElementDTO.class));
+                               .copyBean(kelm, KnowledgeElementDTO.class),
+                               getApplicationSettings());
                // RKV KnowledgeIterator known = knowledge.get(kelm.getType().getIndex() - 2);
                // Knowledges are ordered by type index, from 0 to n-1, the first one being reserved (reason for -2)
                // RKV:Begin: Find a knowledge iterator for appropriate knowledge type
                KnowledgeIterator known = null;
-               for (KnowledgeIterator aKnowledgeSection : knowledge) {
+               for (KnowledgeIterator aKnowledgeSection : _knowledge) {
                        if (aKnowledgeSection.getIndex().equals(
                                        String.valueOf(kelm.getType().getIndex()))) {
                                known = aKnowledgeSection;
@@ -349,106 +553,162 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                        }
                }
                if (known != null) { // RKV:End
-                       knowpres.put(kelm.getIndex(), facade);
-                       known.list.add(facade); // Insert the new knowledge at the end of the corresponding knowledge type
+                       _knowpres.put(kelm.getIndex(), facade);
+                       known._list.add(facade); // Insert the new knowledge at the end of the corresponding knowledge type
                }
        }
 
+       /**
+        * Remove the document presentation facade.
+        * 
+        * @param doctag
+        *            the document publication to remove
+        */
        protected void remove(final Publication doctag) {
-               for (Iterator<DocumentFacade> i = contents.iterator(); i.hasNext();) {
+               for (Iterator<DocumentFacade> i = _contents.iterator(); i.hasNext();) {
                        DocumentFacade facade = i.next();
-                       if (!facade.isFacadeOf(doctag)) {
-                               continue;
+                       if (facade.isFacadeOf(doctag)) {
+                               i.remove();
+                               break;
                        }
-                       i.remove();
-                       break;
                }
-               if (contents.size() == 0) {
+               if (_contents.size() == 0) {
                        this.getMenu().refreshSelectedItem();
                }
        }
 
+       /**
+        * Change the currently connected user and refresh user's rights.
+        * 
+        * @param user
+        *            the new connected user
+        */
        protected void changeUser(final User user) {
-               cuser = user;
-               popup = null;
-               if (getStudyService().isStaffedBy(_mystudy, cuser)) {
-                       popup = getApplicationSettings().getPopupMenu("steditable");
-                       popup.setContext("study", new StudyRights(cuser, _mystudy));
+               _cuser = user;
+               _popup = null;
+               if (getStudyService().isStaffedBy(_mystudy, _cuser)) {
+                       _popup = getApplicationSettings().getPopupMenu(
+                                       "steditablemarkpublic");
+                       _popup.setContext(Constants.STUDY_MENU, new StudyRights(_cuser,
+                                       _mystudy));
                }
                // ustep = getProjectElementService().getFirstStep(mystudy);
-               if (ustep != null) {
-                       ustep.setActor(cuser);
+               if (_ustep != null) {
+                       _ustep.setActor(_cuser);
                }
-               _urightstudy = new StudyRights(cuser, _mystudy);
-               _urightstep = new StepRights(cuser, ustep);
+               _urightstudy = new StudyRights(_cuser, _mystudy);
+               _urightstep = new StepRights(_cuser, _ustep);
        }
 
+       /**
+        * Remove the simulation context presentation facade.
+        * 
+        * @param contex
+        *            the simulation context to remove
+        */
        protected void remove(final SimulationContext contex) {
-               for (Iterator<SimulationContextFacade> i = context.iterator(); i
+               for (Iterator<SimulationContextFacade> i = _context.iterator(); i
                                .hasNext();) {
                        SimulationContextFacade facade = i.next();
-                       if (!facade.isFacadeOf(contex)) {
-                               continue;
+                       if (facade.isFacadeOf(contex)) {
+                               i.remove();
+                               break;
                        }
-                       i.remove();
-                       break;
                }
        }
 
+       /**
+        * Remove the knowledge element presentation facade.
+        * 
+        * @param kelm
+        *            the knowledge element to remove
+        */
        protected void remove(final KnowledgeElement kelm) {
-               KnowledgeIterator known = knowledge.get((int) (kelm.getType()
-                               .getIndex() - 2));
+               // RKV: KnowledgeIterator known = _knowledge.get((int) (kelm.getType()
+               // RKV: .getIndex() - 2));
                // Knowledges are ordered by type index, from 0 to n-1, the first one being reserved (reason for -2)
-               knowpres.remove(kelm.getIndex());
-               for (Iterator<KnowledgeElementFacade> i = known.list.iterator(); i
-                               .hasNext();) {
-                       KnowledgeElementFacade facade = i.next();
-                       if (!facade.isFacadeOf(BeanHelper.copyBean(kelm,
-                                       KnowledgeElementDTO.class))) {
-                               continue;
+               // RKV:Begin: Find a knowledge iterator for appropriate knowledge type
+               KnowledgeIterator known = null;
+               for (KnowledgeIterator aKnowledgeSection : _knowledge) {
+                       if (aKnowledgeSection.getIndex().equals(
+                                       String.valueOf(kelm.getType().getIndex()))) {
+                               known = aKnowledgeSection;
+                               break;
+                       }
+               }
+               if (known != null) { // RKV:End
+                       _knowpres.remove(kelm.getIndex());
+                       for (Iterator<KnowledgeElementFacade> i = known._list.iterator(); i
+                                       .hasNext();) {
+                               KnowledgeElementFacade facade = i.next();
+                               if (!facade.isFacadeOf(BeanHelper.copyBean(kelm,
+                                               KnowledgeElementDTO.class))) {
+                                       continue;
+                               }
+                               i.remove();
+                               break;
                        }
-                       i.remove();
-                       break;
                }
        }
 
+       /**
+        * Refresh the document presentation facade.
+        * 
+        * @param doc
+        *            the document publication
+        */
        protected void update(final Publication doc) {
-               DocumentFacade facade = docpres.get(doc.getIndex());
+               DocumentFacade facade = _docpres.get(doc.getIndex());
                if (facade != null) {
-                       facade.refresh();
+                       _contents.remove(facade);
+                       facade = new DocumentFacade(this, doc,
+                                       getProjectSettings(), getPublicationService(),
+                                       getApplicationSettings());
+                       _docpres.put(doc.getIndex(), facade);
+                       _contents.add(facade);
                }
        }
 
+       /**
+        * Refresh the knowledge element presentation facade.
+        * 
+        * @param kelm
+        *            the knowledge element DTO
+        */
        protected void update(final KnowledgeElementDTO kelm) {
-               KnowledgeElementFacade facade = knowpres.get(kelm.getIndex());
+               KnowledgeElementFacade facade = _knowpres.get(kelm.getIndex());
                if (facade != null) {
                        facade.refresh(kelm);
                }
        }
 
+       /**
+        * Refresh simulation contexts presentation facades.
+        */
        protected void updateSimulationContexts() {
-               context.clear();
-               for (Iterator<Step> i = involving.iterator(); i.hasNext();) {
+               _context.clear();
+               for (Iterator<Step> i = _involving.iterator(); i.hasNext();) {
                        for (Iterator<SimulationContext> j = i.next()
                                        .getAllSimulationContexts().iterator(); j.hasNext();) {
-                               context.add(new SimulationContextFacade(j.next(),
-                                               getProjectSettings().getAllSteps()));
+                               _context.add(new SimulationContextFacade(j.next(),
+                                               getProjectSettings().getAllSteps(),
+                                               getApplicationSettings()));
                        }
                }
        }
 
-       // ==============================================================================================================================
+       // =========================================================================
        // Private services
-       // ==============================================================================================================================
+       // =========================================================================
 
        private void setupPreviousToSelectedSteps() {
-               String[] item = selection.split("\\x2E");
+               String[] item = _selection.split("\\x2E");
                int major = Integer.valueOf(item[0]);
                int minor = Integer.valueOf(item[1]);
                int base = minor;
                Step[] step;
 
-               involving.clear();
+               _involving.clear();
                if (major > 0) {
                        Scenario[] branch = _mystudy.getScenarii();
                        Scenario scenar = branch[0];
@@ -461,16 +721,15 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                        step = getProjectElementService().getSteps(scenar);
                        base = step[0].getNumber() - 1;
                        for (int i = 0; i + base < minor; i++) {
-                               involving.add(step[i]);
+                               _involving.add(step[i]);
                        }
                }
                step = getProjectElementService().getSteps(_mystudy);
                for (int i = step.length - 1; i > -1; i--) {
                        Step firstep = step[i];
-                       if (firstep.getNumber() > base) {
-                               continue;
+                       if (firstep.getNumber() <= base) {
+                               _involving.add(0, firstep);
                        }
-                       involving.add(0, firstep);
                }
        }
 
@@ -570,11 +829,31 @@ public class OpenStudy extends OpenObject implements OpenStudyServices {
                _documentService = documentService;
        }
 
+       /**
+        * Get the detached study object.
+        * 
+        * @return the detached study object
+        */
        public Study getMystudy() {
                return _mystudy;
        }
 
+       /**
+        * Set the study to present.
+        * 
+        * @param mystudy
+        *            the selected study detached object
+        */
        public void setMystudy(final Study mystudy) {
                this._mystudy = mystudy;
        }
+
+       /**
+        * Update the current step.
+        *
+        */
+       public final void updateCurrentStep() {
+               setupPreviousToSelectedSteps();
+               _ustep = _involving.get(_involving.size() - 1);
+       }
 }
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