Example usage for com.google.gwt.view.client SingleSelectionModel getSelectedObject

List of usage examples for com.google.gwt.view.client SingleSelectionModel getSelectedObject

Introduction

In this page you can find the example usage for com.google.gwt.view.client SingleSelectionModel getSelectedObject.

Prototype

public T getSelectedObject() 

Source Link

Document

Gets the currently-selected object.

Usage

From source file:com.tasktop.c2c.server.tasks.client.widgets.admin.keywords.ProjectAdminKeywordsMenu.java

License:Open Source License

private ProjectAdminKeywordsMenu() {
    keywordList = new CellList<Keyword>(new KeywordCell(), resources, KEY_PROVIDER);
    final SingleSelectionModel<Keyword> selectionModel = new SingleSelectionModel<Keyword>();
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        @Override/* ww w  .j a  va 2s. com*/
        public void onSelectionChange(SelectionChangeEvent event) {
            Keyword selected = selectionModel.getSelectedObject();
            if (silent) {
                silent = false;
                return;
            }
            presenter.selectKeyword(selected);
        }
    });
    keywordList.setSelectionModel(selectionModel);
    initWidget(ourUiBinder.createAndBindUi(this));
}

From source file:com.tasktop.c2c.server.tasks.client.widgets.admin.products.ProjectAdminTasksMenu.java

License:Open Source License

private ProjectAdminTasksMenu() {
    productList = new CellList<Product>(new ProjectCell(), resources, KEY_PROVIDER);
    final SingleSelectionModel<Product> selectionModel = new SingleSelectionModel<Product>();
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        @Override//  w w w  .  ja  v a 2 s  .com
        public void onSelectionChange(SelectionChangeEvent event) {
            Product selected = selectionModel.getSelectedObject();
            if (silent) {
                silent = false;
                return;
            }
            presenter.selectProduct(selected.getId());
        }
    });
    productList.setSelectionModel(selectionModel);
    initWidget(ourUiBinder.createAndBindUi(this));
}

From source file:com.toedter.gwt.demo.contacts.client.ui.ContactListView2.java

License:Open Source License

public ContactListView2() {
    initWidget(uiBinder.createAndBindUi(this));

    cellTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // Create first name column.
    TextColumn<Contact> firstNameColumn = new TextColumn<Contact>() {
        @Override//from   w  w  w .ja va  2s .  c  o m
        public String getValue(Contact contact) {
            return contact.getFirstName();
        }
    };

    // Make the first name column sortable.
    firstNameColumn.setSortable(true);

    // Create last name column.
    TextColumn<Contact> lastNameColumn = new TextColumn<Contact>() {
        @Override
        public String getValue(Contact contact) {
            return contact.getLastName();
        }
    };

    // Make the last name column sortable.
    lastNameColumn.setSortable(true);

    // Add the columns.
    cellTable.addColumn(firstNameColumn, "First Name");
    cellTable.addColumn(lastNameColumn, "Last Name");

    // Create a data provider.
    ListDataProvider<Contact> dataProvider = new ListDataProvider<Contact>();

    // Connect the table to the data provider.
    dataProvider.addDataDisplay(cellTable);

    list = dataProvider.getList();

    // Add a ColumnSortEvent.ListHandler to connect sorting to the
    // java.util.List.
    ListHandler<Contact> columnSortHandler = new ListHandler<Contact>(list);
    columnSortHandler.setComparator(firstNameColumn, new Comparator<Contact>() {
        @Override
        public int compare(Contact o1, Contact o2) {
            if (o1 == o2) {
                return 0;
            }

            // Compare the first name columns.
            if (o1 != null) {
                return (o2 != null) ? o1.getFirstName().compareTo(o2.getFirstName()) : 1;
            }
            return -1;
        }
    });
    columnSortHandler.setComparator(lastNameColumn, new Comparator<Contact>() {
        @Override
        public int compare(Contact o1, Contact o2) {
            if (o1 == o2) {
                return 0;
            }

            // Compare the last name columns.
            if (o1 != null) {
                return (o2 != null) ? o1.getLastName().compareTo(o2.getLastName()) : 1;
            }
            return -1;
        }
    });
    cellTable.addColumnSortHandler(columnSortHandler);

    // Add a selection model to handle user selection.
    final SingleSelectionModel<Contact> selectionModel = new SingleSelectionModel<Contact>();
    cellTable.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        @Override
        public void onSelectionChange(SelectionChangeEvent event) {
            Contact selectedContact = selectionModel.getSelectedObject();
            System.out.println("ContactListView2 .onSelectionChange()");
            presenter.select(selectedContact);
        }
    });
}

From source file:com.toedter.gwt.demo.contacts.client.ui.ContactCell.java

License:Open Source License

public ContactListView3() {
    ContactCell contactCell = new ContactCell();
    cellList = new CellList<Contact>(contactCell);

    cellList.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // Add a selection model to handle user selection.
    final SingleSelectionModel<Contact> selectionModel = new SingleSelectionModel<Contact>();
    cellList.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        @Override// w  w  w.  j  a v  a 2  s . co  m
        public void onSelectionChange(SelectionChangeEvent event) {
            Contact selectedContact = selectionModel.getSelectedObject();
            System.out.println("ContactListView2 .onSelectionChange()");
            presenter.select(selectedContact);
        }
    });
    initWidget(cellList);
}

From source file:cz.filmtit.client.dialogs.MediaSelector.java

License:Open Source License

/**
 * Lets the user select the intended media source from the list of suggestions.
 * @param suggestions MediaSource suggestions.
 * @param receiver A class that waits for the user to select the media source and then sets it.
 *//*  w  w w .  j  a  v a 2s .  com*/
public MediaSelector(List<MediaSource> suggestions, ReceivesSelectSource receiver) {
    super();
    listbox = new CellList<MediaSource>(new MediaCell());

    initWidget(uiBinder.createAndBindUi(this));

    listbox.addStyleName("mediasource_selector");
    listbox.setRowData(0, suggestions);
    listbox.setRowCount(suggestions.size());

    final SingleSelectionModel<MediaSource> selectionModel = new SingleSelectionModel<MediaSource>();
    listbox.setSelectionModel(selectionModel);

    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
            selected = selectionModel.getSelectedObject();
        }
    });

    this.suggestions = suggestions;
    this.receiver = receiver;
}

From source file:cz.filmtit.client.subgestbox.PosteditBox.java

License:Open Source License

/**
 * Prepare the suggestions from the underlying TranslationResult to be
 * displayed (if they are already fetched and not loaded yet).
 *///from ww w  .  j  a  v a2 s  . co  m
public void loadSuggestions() {

    if (loadedSuggestions == true) {
        return;
    }

    loadedSuggestions = true;
    // creating the suggestions pop-up panel:
    posteditPanel = new PopupPanel();
    posteditPanel.setAutoHideEnabled(true);
    posteditPanel.setStylePrimaryName("suggestionsPopup");

    final SingleSelectionModel<PosteditPair> selectionModel = new SingleSelectionModel<PosteditPair>();
    CellList<PosteditPair> cellList = new CellList<PosteditPair>(
            new PosteditBox.PosteditCell(selectionModel, posteditPanel));
    cellList.setWidth(Integer.toString(this.getOffsetWidth()) + "px");
    cellList.setKeyboardSelectionPolicy(HasKeyboardSelectionPolicy.KeyboardSelectionPolicy.ENABLED);

    // setting tabindex so that the suggestions are focused between this box and the next one
    cellList.setTabIndex(this.getTabIndex());

    cellList.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
            PosteditPair selected = selectionModel.getSelectedObject();
            if (selected != null) {

                //translationResult.setSelectedTranslationPairID(selected.getId());
                // copy the selected suggestion into the richtextarea with the annotation highlighting:
                setHTML(posteditBoxHTML(selected.getPosteditedChunk().getSurfaceForm()));
                // contents have changed - resize if necessary:
                updateVerticalSize();

                Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
                    @Override
                    public void execute() {
                        PosteditBox.this.setFocus(true);
                    }
                });

            }
        }
    });
    cellList.setRowData(this.getSuggestions());
    posteditPanel.setWidget(cellList);

    this.setPosteditWidget(posteditPanel);
}

From source file:cz.filmtit.client.subgestbox.SubgestBox.java

License:Open Source License

/**
 * Prepare the suggestions from the underlying TranslationResult to be
 * displayed (if they are already fetched and not loaded yet).
 *///from   w ww .  j av  a  2  s.  c  o  m
public void loadSuggestions() {
    if (loadedSuggestions == true) {
        return;
    }

    loadedSuggestions = true;
    // creating the suggestions pop-up panel:
    suggestPanel = new PopupPanel();
    suggestPanel.setAutoHideEnabled(true);
    suggestPanel.setStylePrimaryName("suggestionsPopup");

    final SingleSelectionModel<TranslationPair> selectionModel = new SingleSelectionModel<TranslationPair>();
    CellList<TranslationPair> cellList = new CellList<TranslationPair>(
            new SuggestionCell(selectionModel, suggestPanel));
    cellList.setWidth(Integer.toString(this.getOffsetWidth()) + "px");
    cellList.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);

    // setting tabindex so that the suggestions are focused between this box and the next one
    cellList.setTabIndex(this.getTabIndex());

    cellList.setSelectionModel(selectionModel);
    selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
        public void onSelectionChange(SelectionChangeEvent event) {
            TranslationPair selected = selectionModel.getSelectedObject();
            if (!(selected instanceof TranslationError)) {
                if (selected != null) {
                    translationResult.setSelectedTranslationPairID(selected.getId());
                    // copy the selected suggestion into the richtextarea with the annotation highlighting:
                    setHTML(subgestBoxHTML(getAnnotatedSuggestionFromChunk(selected.getChunkL2())));
                    // contents have changed - resize if necessary:
                    updateVerticalSize();

                    Scheduler.get().scheduleDeferred(new ScheduledCommand() {
                        @Override
                        public void execute() {
                            SubgestBox.this.setFocus(true);
                        }
                    });
                }
            }
        }
    });
    cellList.setRowData(this.getSuggestions());
    suggestPanel.setWidget(cellList);

    this.setSuggestionWidget(suggestPanel);
}

From source file:de.uni_koeln.spinfo.maalr.webapp.ui.editor.client.entry.LexEditor.java

License:Apache License

private void initialize() {
    final SingleSelectionModel<LemmaVersion> selectionModel = new SingleSelectionModel<LemmaVersion>();
    provider = new ListDataProvider<LemmaVersion>();
    entryList = new QueryList(selectionModel, constants, messages);
    service = GWT.create(EditorService.class);
    //entryDetails = new LemmaEditorWidget(AsyncLemmaDescriptionLoader.getDescription(), UseCase.FIELDS_FOR_ADVANCED_EDITOR, false, 1, true, null);
    //antlr = new AntlrEditorWidget(entryDetails);
    initWidget(uiBinder.createAndBindUi(LexEditor.this));
    export.addClickHandler(new ClickHandler() {

        @Override/*from   www.  j a  v  a 2s.c om*/
        public void onClick(ClickEvent event) {
            export();
        }
    });
    queryBox = new ConfigurableSearchArea(new IResultDisplay() {

        @Override
        public void updateResult(MaalrQuery maalrQuery, QueryResult result) {
            historyArea.setVisible(true);
            historyDataProvider.getList().clear();
            provider.getList().clear();
            provider.getList().addAll(result.getEntries());
            selectionModel.clear();
            resultSummary.setText(messages.displayResults(result.getEntries().size(), result.getMaxEntries()));
            entryList.setQuery(maalrQuery);
            entryList.redraw();
            if (result.getEntries().size() < result.getMaxEntries()) {
                pager.createPageLinks(maalrQuery, result);
                pager.setVisible(true);
            } else {
                pager.setVisible(false);
            }
        }
    }, true, true, Modules.ANCHOR_LEX_EDITOR + "?");
    pager.setHistoryPrefix(Modules.ANCHOR_LEX_EDITOR + "?");
    searchBoxParent.add(queryBox);
    entryList.setDataProvider(provider);
    entryList.setLemmaDescription(AsyncLemmaDescriptionLoader.getDescription());
    entryList.setModifyCommand(new Command() {

        @Override
        public void execute() {
            ((SingleSelectionModel) entryList.getSelectionModel()).clear();
            entryList.redraw();
        }

    });
    entryList.setDeleteCommand(new AsyncCallback<LemmaVersion>() {

        @Override
        public void onFailure(Throwable caught) {
        }

        @Override
        public void onSuccess(LemmaVersion result) {
            boolean removed = provider.getList().remove(result);
            entryList.redraw();
        }
    });
    provider.addDataDisplay(entryList.getTable());
    entryList.getTable().setHeight("1000px");
    historyDataProvider = new HistoryDataProvider(historyList.getTable());
    historyList.setDataProvider(historyDataProvider);
    historyList.getTable().setHeight("400px");
    historyList.setLemmaDescription(AsyncLemmaDescriptionLoader.getDescription());
    deleteOldGroup.getElement().getStyle().setFloat(Float.RIGHT);
    entryList.addLoadHandler(new LazyLoadHandler() {

        @Override
        public void onLoad(LazyLoadEvent event) {
            if (query != null) {
                query.setPageNr(query.getPageNr() + 1);
                service.search(query, new AsyncCallback<QueryResult>() {

                    @Override
                    public void onSuccess(QueryResult result) {
                        if (provider.getList().size() < result.getMaxEntries()) {
                            provider.getList().addAll(result.getEntries());
                            entryList.getTable().setVisibleRange(0, provider.getList().size());
                            resultSummary.setText(
                                    messages.displayResults(provider.getList().size(), result.getMaxEntries()));
                        }
                    }

                    @Override
                    public void onFailure(Throwable caught) {
                    }
                });
            }
        }
    });
    entryList.addSelectionChangedHandler(new Handler() {

        @Override
        public void onSelectionChange(SelectionChangeEvent event) {
            LemmaVersion selected = selectionModel.getSelectedObject();
            if (selected != null) {
                service.getLexEntry(selected.getLexEntryId(), new AsyncCallback<LexEntry>() {

                    @Override
                    public void onFailure(Throwable caught) {
                    }

                    @Override
                    public void onSuccess(LexEntry result) {
                        historyArea.setVisible(true);
                        historyDataProvider.setEntry(result, fullHistory.isToggled());
                    }
                });
            } else {
                historyDataProvider.setEntry(null, fullHistory.isToggled());
            }
        }
    });
    fullHistory.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            historyDataProvider.setEntry(historyDataProvider.getEntry(), !fullHistory.isToggled());
        }
    });
    deleteHistory.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            final LexEntry entry = historyDataProvider.getEntry();
            if (entry.getCurrent() == null) {
                Dialog.showInfo(constants.operationUnavailable(), constants.requireApprovedVers());
            } else {
                service.dropOutdatedHistory(entry, new AsyncCallback<LexEntry>() {

                    @Override
                    public void onFailure(Throwable caught) {
                        Dialog.showError(constants.failedToDropEntryHistory(), caught);
                    }

                    @Override
                    public void onSuccess(LexEntry result) {
                        historyDataProvider.setEntry(result, !fullHistory.isToggled());
                        entryList.redraw();
                    }
                });
            }
        }
    });
    newEntry.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            AdvancedEditor.openEditor(new AsyncCallback<LexEntry>() {

                @Override
                public void onFailure(Throwable caught) {
                    Dialog.showError(constants.failedToCreateEntry(), caught);
                }

                @Override
                public void onSuccess(LexEntry result) {
                    //Window.alert("Entry has been saved.");
                }
            }, constants, messages);
            //entryDetails.setData(new LemmaVersion());
        }
    });
}

From source file:de.uni_koeln.spinfo.maalr.webapp.ui.editor.client.entry.list.EntryVersionsList.java

License:Apache License

public LemmaVersion getSelectedEntry() {
    SingleSelectionModel<LemmaVersion> selectionModel = (SingleSelectionModel<LemmaVersion>) getSelectionModel();
    return selectionModel.getSelectedObject();
}

From source file:eu.riscoss.client.entities.EntityPropertyPage.java

License:Apache License

protected void loadProperties(JSONValue response) {
    rasLoaded = false;//from w  w w  .j a va 2s  .  c o  m
    info = new JsonEntitySummary(response);

    confDialog = new RDCConfDialog(module);
    confDialog.setSelectedEntity(entity);

    layer = info.getLayer();

    parentList = new ArrayList<>();
    childrenList = new ArrayList<>();
    parentsListbox = new ListBox();
    childrenListbox = new ListBox();

    for (int i = 0; i < info.getParentList().size(); ++i) {
        parentList.add(info.getParentList().get(i).isString().stringValue());
    }
    for (int i = 0; i < info.getChildrenList().size(); ++i) {
        childrenList.add(info.getChildrenList().get(i).isString().stringValue());
    }

    //Properties Panel
    v = new VerticalPanel();
    propertiesPanel = new VerticalPanel();

    Label layerInfoLabel = new Label("Layer information");
    layerInfoLabel.setStyleName("smallTitle");
    Label parentInfoLabel = new Label("Hierarchy information");
    parentInfoLabel.setStyleName("smallTitle");

    loadContextualInfoData();
    propertiesPanel.add(layerInfoLabel);
    propertiesPanel.add(tb);
    propertiesPanel.add(parentInfoLabel);
    propertiesPanel.add(v);

    v.setWidth("100%");
    {
        HorizontalPanel hPanel = new HorizontalPanel();
        hPanel.setWidth("100%");
        parents = new VerticalPanel();
        children = new VerticalPanel();

        HorizontalPanel data = new HorizontalPanel();

        Label l = new Label("Parent");
        l.setStyleName("bold");
        data.add(l);
        RiscossJsonClient.getCandidateChildren(entity, new JsonCallback() {
            @Override
            public void onFailure(Method method, Throwable exception) {
                Window.alert(exception.getMessage());
            }

            @Override
            public void onSuccess(Method method, JSONValue response) {
                for (int i = 0; i < response.isArray().size(); ++i) {
                    childrenListbox.addItem(response.isArray().get(i).isString().stringValue());
                }
                RiscossJsonClient.getCandidateParents(entity, new JsonCallback() {
                    @Override
                    public void onFailure(Method method, Throwable exception) {
                        Window.alert(exception.getMessage());
                    }

                    @Override
                    public void onSuccess(Method method, JSONValue response) {
                        for (int i = 0; i < response.isArray().size(); ++i) {
                            parentsListbox.addItem(response.isArray().get(i).isString().stringValue());
                        }
                    }
                });
            }
        });
        /*for (int i = 0; i < entitiesList.size(); ++i) {
           if (!entitiesList.get(i).equals(entity)) {
              parentsListbox.addItem(entitiesList.get(i));
              childrenListbox.addItem(entitiesList.get(i));
           }
        }*/
        data.add(parentsListbox);
        Button b = new Button("Add parent", new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                String newParent = parentsListbox.getItemText(parentsListbox.getSelectedIndex());
                if (parentList.contains(newParent)) {
                    Window.alert("The selected entity is already a parent");
                    return;
                }
                if (childrenList.contains(newParent)) {
                    Window.alert(
                            "The selected entity is already a children. An entity can not be parent and child of the same entity.");
                    return;
                }
                parentList.add(newParent);
                parentsTable.setRowData(0, parentList);
                changedData = true;
            }
        });
        b.setStyleName("Button");
        data.add(b);
        data.setStyleName("marginTopBottom");
        parents.add(data);

        parentsTable = new CellTable<String>(15, (Resources) GWT.create(TableResources.class));
        parentsTable.setWidth("100%");
        t = new TextColumn<String>() {
            @Override
            public String getValue(String arg0) {
                return arg0;
            }
        };
        deleteParent = new Button("Delete parent");
        deleteParent.setStyleName("deleteButton");
        final SingleSelectionModel<String> selectionModel = new SingleSelectionModel<String>();
        parentsTable.setSelectionModel(selectionModel);
        selectionModel.addSelectionChangeHandler(new Handler() {
            @Override
            public void onSelectionChange(SelectionChangeEvent arg0) {
                parents.remove(deleteParent);
                deleteParent.addClickHandler(new ClickHandler() {
                    @Override
                    public void onClick(ClickEvent event) {
                        parentList.remove(selectionModel.getSelectedObject());
                        parents.remove(parentsTable);
                        parents.remove(pager);
                        parentsTable = new CellTable<String>(15, (Resources) GWT.create(TableResources.class));
                        parentsTable.setWidth("100%");
                        parentsTable.setSelectionModel(selectionModel);
                        t = new TextColumn<String>() {
                            @Override
                            public String getValue(String arg0) {
                                return arg0;
                            }
                        };
                        parentsTable.addColumn(t, "Parents");
                        if (parentList.size() > 0)
                            parentsTable.setRowData(0, parentList);
                        else {
                            parentList.add("");
                            parentsTable.setRowData(0, parentList);
                            parentList.remove(0);
                        }
                        parentsTable.setStyleName("table");

                        parentDataProvider = new ListDataProvider<String>();
                        parentDataProvider.addDataDisplay(parentsTable);

                        for (int i = 0; i < parentList.size(); i++) {
                            parentDataProvider.getList().add(parentList.get(i));
                        }

                        pager = new SimplePager();
                        pager.setDisplay(parentsTable);

                        parents.add(parentsTable);
                        parents.add(pager);

                        parents.remove(deleteParent);
                        changedData = true;
                    }
                });
                parents.add(deleteParent);
            }
        });

        parentsTable.addColumn(t, "Parents");

        if (parentList.size() > 0)
            parentsTable.setRowData(0, parentList);
        else {
            parentList.add("");
            parentsTable.setRowData(0, parentList);
            parentList.remove(0);
        }
        parentsTable.setStyleName("table");

        parentDataProvider = new ListDataProvider<String>();
        parentDataProvider.addDataDisplay(parentsTable);

        for (int i = 0; i < parentList.size(); i++) {
            parentDataProvider.getList().add(parentList.get(i));
        }

        pager = new SimplePager();
        pager.setDisplay(parentsTable);

        parents.add(parentsTable);
        parents.add(pager);

        HorizontalPanel data2 = new HorizontalPanel();

        Label l2 = new Label("Children");
        l2.setStyleName("bold");
        data2.add(l2);
        data2.add(childrenListbox);
        Button b2 = new Button("Add children", new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                String newChildren = childrenListbox.getItemText(childrenListbox.getSelectedIndex());
                if (childrenList.contains(newChildren)) {
                    Window.alert("The selected entity is already a children");
                    return;
                }
                if (parentList.contains(newChildren)) {
                    Window.alert(
                            "The selected entity is already a children. An entity can not be parent and child of the same entity.");
                    return;
                }
                childrenList.add(newChildren);
                childrenTable.setRowData(0, childrenList);
                changedData = true;
            }
        });
        b2.setStyleName("Button");
        data2.add(b2);
        data2.setStyleName("marginTopBottom");
        children.add(data2);

        childrenTable = new CellTable<String>(15, (Resources) GWT.create(TableResources.class));
        childrenTable.setWidth("100%");
        t2 = new TextColumn<String>() {
            @Override
            public String getValue(String arg0) {
                return arg0;
            }
        };
        deleteChildren = new Button("Delete children");
        deleteChildren.setStyleName("deleteButton");
        final SingleSelectionModel<String> selectionModel2 = new SingleSelectionModel<String>();
        childrenTable.setSelectionModel(selectionModel2);
        selectionModel2.addSelectionChangeHandler(new Handler() {
            @Override
            public void onSelectionChange(SelectionChangeEvent arg0) {
                children.remove(deleteChildren);
                deleteChildren.addClickHandler(new ClickHandler() {
                    @Override
                    public void onClick(ClickEvent event) {
                        childrenList.remove(selectionModel2.getSelectedObject());
                        children.remove(childrenTable);
                        children.remove(childrenPager);
                        childrenTable = new CellTable<String>(15, (Resources) GWT.create(TableResources.class));
                        childrenTable.setWidth("100%");
                        childrenTable.setSelectionModel(selectionModel2);
                        t2 = new TextColumn<String>() {
                            @Override
                            public String getValue(String arg0) {
                                return arg0;
                            }
                        };
                        childrenTable.addColumn(t, "Children");
                        if (childrenList.size() > 0)
                            childrenTable.setRowData(0, childrenList);
                        else {
                            childrenList.add("");
                            childrenTable.setRowData(0, childrenList);
                            childrenList.remove(0);
                        }
                        childrenTable.setStyleName("table");

                        childrenDataProvider = new ListDataProvider<String>();
                        childrenDataProvider.addDataDisplay(childrenTable);

                        for (int i = 0; i < childrenList.size(); i++) {
                            childrenDataProvider.getList().add(childrenList.get(i));
                        }

                        childrenPager = new SimplePager();
                        childrenPager.setDisplay(childrenTable);

                        children.add(childrenTable);
                        children.add(childrenPager);

                        children.remove(deleteChildren);
                        changedData = true;
                    }
                });
                children.add(deleteChildren);
            }
        });

        childrenTable.addColumn(t, "Children");

        if (childrenList.size() > 0)
            childrenTable.setRowData(0, childrenList);
        else {
            childrenList.add("");
            childrenTable.setRowData(0, childrenList);
            childrenList.remove(0);
        }
        childrenTable.setStyleName("table");

        childrenDataProvider = new ListDataProvider<String>();
        childrenDataProvider.addDataDisplay(childrenTable);

        for (int i = 0; i < childrenList.size(); i++) {
            childrenDataProvider.getList().add(childrenList.get(i));
        }

        childrenPager = new SimplePager();
        childrenPager.setDisplay(childrenTable);

        children.add(childrenTable);
        children.add(childrenPager);

        hPanel.setWidth("100%");
        hPanel.add(parents);
        HorizontalPanel h = new HorizontalPanel();
        h.setWidth("100px");
        hPanel.add(h);
        hPanel.add(children);
        v.add(hPanel);

    }

    entityDataBox = new EntityDataBox();
    entityDataBox.setSelectedEntity(entity);
    rdr.setWidget(entityDataBox);
    loadRASWidget();
}