@Override
  protected Component generateTopControls() {
    VerticalLayout controlsBtnWrap = new VerticalLayout();
    controlsBtnWrap.setWidth("100%");
    final SplitButton controlsBtn = new SplitButton();
    controlsBtn.addStyleName(UIConstants.THEME_GREEN_LINK);
    controlsBtn.setCaption(AppContext.getMessage(OpportunityI18nEnum.BUTTON_NEW_OPPORTUNITY));
    controlsBtn.setIcon(FontAwesome.PLUS);
    controlsBtn.addClickListener(
        new SplitButton.SplitButtonClickListener() {
          private static final long serialVersionUID = 1L;

          @Override
          public void splitButtonClick(SplitButton.SplitButtonClickEvent event) {
            fireNewRelatedItem("");
          }
        });
    controlsBtn.setSizeUndefined();
    Button selectBtn =
        new Button(
            "Select from existing opportunities",
            new Button.ClickListener() {
              private static final long serialVersionUID = 1L;

              @Override
              public void buttonClick(Button.ClickEvent event) {
                ContactOpportunitySelectionWindow opportunitiesWindow =
                    new ContactOpportunitySelectionWindow(ContactOpportunityListComp.this);
                OpportunitySearchCriteria criteria = new OpportunitySearchCriteria();
                criteria.setSaccountid(new NumberSearchField(AppContext.getAccountId()));
                UI.getCurrent().addWindow(opportunitiesWindow);
                opportunitiesWindow.setSearchCriteria(criteria);
                controlsBtn.setPopupVisible(false);
              }
            });
    selectBtn.setIcon(CrmAssetsManager.getAsset(CrmTypeConstants.OPPORTUNITY));
    OptionPopupContent buttonControlsLayout = new OptionPopupContent();
    buttonControlsLayout.addOption(selectBtn);
    controlsBtn.setContent(buttonControlsLayout);

    controlsBtn.setEnabled(AppContext.canWrite(RolePermissionCollections.CRM_OPPORTUNITY));

    controlsBtnWrap.addComponent(controlsBtn);
    controlsBtnWrap.setComponentAlignment(controlsBtn, Alignment.MIDDLE_RIGHT);
    return controlsBtnWrap;
  }
  @SuppressWarnings("serial")
  private void initUI() {
    final SplitButton controlsBtn = new SplitButton();
    controlsBtn.setEnabled(AppContext.canWrite(RolePermissionCollections.CRM_CONTACT));
    controlsBtn.addStyleName(UIConstants.THEME_BLUE_LINK);
    controlsBtn.setCaption("New Contact");
    controlsBtn.setIcon(MyCollabResource.newResource("icons/16/addRecord.png"));
    controlsBtn.addClickListener(
        new SplitButton.SplitButtonClickListener() {
          @Override
          public void splitButtonClick(SplitButton.SplitButtonClickEvent event) {
            fireNewRelatedItem("");
          }
        });
    Button selectBtn =
        new Button(
            "Select from existing contacts",
            new Button.ClickListener() {
              @Override
              public void buttonClick(Button.ClickEvent event) {
                CaseContactSelectionWindow contactsWindow =
                    new CaseContactSelectionWindow(CaseContactListComp.this);
                ContactSearchCriteria criteria = new ContactSearchCriteria();
                criteria.setSaccountid(new NumberSearchField(AppContext.getAccountId()));
                UI.getCurrent().addWindow(contactsWindow);
                contactsWindow.setSearchCriteria(criteria);
                controlsBtn.setPopupVisible(false);
              }
            });
    selectBtn.setIcon(MyCollabResource.newResource("icons/16/select.png"));
    selectBtn.setStyleName("link");

    VerticalLayout buttonControlsLayout = new VerticalLayout();
    buttonControlsLayout.addComponent(selectBtn);
    controlsBtn.setContent(buttonControlsLayout);

    controlsBtn.setEnabled(AppContext.canWrite(RolePermissionCollections.CRM_CONTACT));
    this.addComponent(controlsBtn);

    tableItem =
        new ContactTableDisplay(
            Arrays.asList(
                ContactTableFieldDef.name,
                ContactTableFieldDef.email,
                ContactTableFieldDef.phoneOffice,
                ContactTableFieldDef.account,
                ContactTableFieldDef.action));

    tableItem.addTableListener(
        new ApplicationEventListener<TableClickEvent>() {
          @Override
          public Class<? extends ApplicationEvent> getEventType() {
            return TableClickEvent.class;
          }

          @Override
          public void handle(TableClickEvent event) {
            SimpleContact contact = (SimpleContact) event.getData();
            if ("contactName".equals(event.getFieldName())) {
              EventBus.getInstance()
                  .fireEvent(new ContactEvent.GotoRead(CaseContactListComp.this, contact.getId()));
            }
          }
        });

    tableItem.addGeneratedColumn(
        "id",
        new Table.ColumnGenerator() {
          @Override
          public Object generateCell(Table source, Object itemId, Object columnId) {
            final SimpleContact contact = (SimpleContact) tableItem.getBeanByIndex(itemId);
            HorizontalLayout controlLayout = new HorizontalLayout();
            Button editBtn =
                new Button(
                    null,
                    new Button.ClickListener() {
                      @Override
                      public void buttonClick(Button.ClickEvent event) {
                        EventBus.getInstance()
                            .fireEvent(
                                new ContactEvent.GotoEdit(CaseContactListComp.this, contact));
                      }
                    });
            editBtn.setStyleName("link");
            editBtn.setIcon(MyCollabResource.newResource("icons/16/edit.png"));
            controlLayout.addComponent(editBtn);

            Button deleteBtn =
                new Button(
                    null,
                    new Button.ClickListener() {
                      @Override
                      public void buttonClick(Button.ClickEvent event) {
                        ConfirmDialogExt.show(
                            UI.getCurrent(),
                            LocalizationHelper.getMessage(
                                GenericI18Enum.DELETE_DIALOG_TITLE,
                                SiteConfiguration.getSiteName()),
                            LocalizationHelper.getMessage(
                                CrmCommonI18nEnum.DIALOG_DELETE_RELATIONSHIP_TITLE),
                            LocalizationHelper.getMessage(GenericI18Enum.BUTTON_YES_LABEL),
                            LocalizationHelper.getMessage(GenericI18Enum.BUTTON_NO_LABEL),
                            new ConfirmDialog.Listener() {
                              private static final long serialVersionUID = 1L;

                              @Override
                              public void onClose(ConfirmDialog dialog) {
                                if (dialog.isConfirmed()) {
                                  ContactService contactService =
                                      ApplicationContextUtil.getSpringBean(ContactService.class);
                                  ContactCase associateContact = new ContactCase();
                                  associateContact.setCaseid(cases.getId());
                                  associateContact.setContactid(contact.getId());
                                  contactService.removeContactCaseRelationship(
                                      associateContact, AppContext.getAccountId());
                                  CaseContactListComp.this.refresh();
                                }
                              }
                            });
                      }
                    });
            deleteBtn.setStyleName("link");
            deleteBtn.setIcon(MyCollabResource.newResource("icons/16/delete.png"));
            controlLayout.addComponent(deleteBtn);
            return controlLayout;
          }
        });
    this.addComponent(tableItem);
  }
  public TaskDashboardViewImpl() {
    this.withMargin(new MarginInfo(false, true, true, true));
    taskSearchPanel = new TaskSearchPanel();
    MHorizontalLayout groupWrapLayout = new MHorizontalLayout();
    groupWrapLayout.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT);

    groupWrapLayout.addComponent(new Label("Filter:"));
    final TaskSavedFilterComboBox savedFilterComboBox = new TaskSavedFilterComboBox();
    savedFilterComboBox.addQuerySelectListener(
        new SavedFilterComboBox.QuerySelectListener() {
          @Override
          public void querySelect(SavedFilterComboBox.QuerySelectEvent querySelectEvent) {
            List<SearchFieldInfo> fieldInfos = querySelectEvent.getSearchFieldInfos();
            TaskSearchCriteria criteria =
                SearchFieldInfo.buildSearchCriteria(TaskSearchCriteria.class, fieldInfos);
            criteria.setProjectid(new NumberSearchField(CurrentProjectVariables.getProjectId()));
            EventBusFactory.getInstance()
                .post(new TaskEvent.SearchRequest(TaskDashboardViewImpl.this, criteria));
          }
        });
    groupWrapLayout.addComponent(savedFilterComboBox);

    groupWrapLayout.addComponent(new Label("Sort:"));
    final ComboBox sortCombo = new ValueComboBox(false, DESCENDING, ASCENDING);
    sortCombo.setWidth("100px");
    sortCombo.addValueChangeListener(
        new Property.ValueChangeListener() {
          @Override
          public void valueChange(Property.ValueChangeEvent valueChangeEvent) {
            String sortValue = (String) sortCombo.getValue();
            if (ASCENDING.equals(sortValue)) {
              sortDirection = SearchCriteria.ASC;
            } else {
              sortDirection = SearchCriteria.DESC;
            }
            queryAndDisplayTasks();
          }
        });
    sortDirection = SearchCriteria.DESC;
    groupWrapLayout.addComponent(sortCombo);

    groupWrapLayout.addComponent(new Label("Group by:"));
    final ComboBox groupCombo =
        new ValueComboBox(false, GROUP_DUE_DATE, GROUP_START_DATE, PLAIN_LIST);
    groupCombo.setWidth("100px");
    groupCombo.addValueChangeListener(
        new Property.ValueChangeListener() {
          @Override
          public void valueChange(Property.ValueChangeEvent valueChangeEvent) {
            groupByState = (String) groupCombo.getValue();
            queryAndDisplayTasks();
          }
        });
    groupByState = GROUP_DUE_DATE;
    groupWrapLayout.addComponent(groupCombo);

    taskSearchPanel.addHeaderRight(groupWrapLayout);

    Button exportBtn = new Button("Export");
    final SplitButton exportSplitBtn = new SplitButton(exportBtn);
    exportBtn.addClickListener(
        new Button.ClickListener() {
          @Override
          public void buttonClick(ClickEvent event) {
            exportSplitBtn.setPopupVisible(true);
          }
        });
    exportSplitBtn.addStyleName(UIConstants.THEME_GREEN_LINK);
    OptionPopupContent popupButtonsControl = new OptionPopupContent();

    Button exportPdfBtn = new Button("PDF");
    exportPdfBtn.setIcon(FontAwesome.FILE_PDF_O);
    FileDownloader pdfFileDownloder = new FileDownloader(buildStreamSource(ReportExportType.PDF));
    pdfFileDownloder.extend(exportPdfBtn);
    popupButtonsControl.addOption(exportPdfBtn);

    Button exportExcelBtn = new Button("Excel");
    exportExcelBtn.setIcon(FontAwesome.FILE_EXCEL_O);
    FileDownloader excelFileDownloader =
        new FileDownloader(buildStreamSource(ReportExportType.EXCEL));
    excelFileDownloader.extend(exportExcelBtn);
    popupButtonsControl.addOption(exportExcelBtn);

    exportSplitBtn.setContent(popupButtonsControl);
    groupWrapLayout.with(exportSplitBtn);

    Button newTaskBtn =
        new Button(
            AppContext.getMessage(TaskI18nEnum.BUTTON_NEW_TASK),
            new Button.ClickListener() {
              private static final long serialVersionUID = 1L;

              @Override
              public void buttonClick(final ClickEvent event) {
                SimpleTask newTask = new SimpleTask();
                newTask.setProjectid(CurrentProjectVariables.getProjectId());
                UI.getCurrent().addWindow(new TaskAddWindow(newTask));
              }
            });
    newTaskBtn.setEnabled(CurrentProjectVariables.canWrite(ProjectRolePermissionCollections.TASKS));
    newTaskBtn.setIcon(FontAwesome.PLUS);
    newTaskBtn.setDescription(AppContext.getMessage(TaskI18nEnum.BUTTON_NEW_TASKGROUP));
    newTaskBtn.setStyleName(UIConstants.THEME_GREEN_LINK);
    groupWrapLayout.addComponent(newTaskBtn);

    Button advanceDisplayBtn = new Button();
    advanceDisplayBtn.setWidth("50px");
    advanceDisplayBtn.setIcon(FontAwesome.SITEMAP);
    advanceDisplayBtn.setDescription(
        AppContext.getMessage(TaskGroupI18nEnum.ADVANCED_VIEW_TOOLTIP));

    Button calendarBtn =
        new Button(
            null,
            new Button.ClickListener() {
              @Override
              public void buttonClick(ClickEvent clickEvent) {
                EventBusFactory.getInstance()
                    .post(new TaskEvent.GotoCalendarView(TaskDashboardViewImpl.this));
              }
            });
    calendarBtn.setWidth("50px");
    calendarBtn.setDescription("Calendar View");
    calendarBtn.setIcon(FontAwesome.CALENDAR);

    Button chartDisplayBtn =
        new Button(
            null,
            new Button.ClickListener() {
              private static final long serialVersionUID = -5707546605789537298L;

              @Override
              public void buttonClick(ClickEvent event) {
                displayGanttChartView();
              }
            });
    chartDisplayBtn.setWidth("50px");
    chartDisplayBtn.setDescription("Display Gantt chart");
    chartDisplayBtn.setIcon(FontAwesome.BAR_CHART_O);

    Button kanbanBtn =
        new Button(
            null,
            new Button.ClickListener() {
              @Override
              public void buttonClick(ClickEvent clickEvent) {
                displayKanbanView();
              }
            });
    kanbanBtn.setWidth("50px");
    kanbanBtn.setDescription("Kanban View");
    kanbanBtn.setIcon(FontAwesome.TH);

    ToggleButtonGroup viewButtons = new ToggleButtonGroup();
    viewButtons.addButton(advanceDisplayBtn);
    viewButtons.addButton(calendarBtn);
    viewButtons.addButton(kanbanBtn);
    viewButtons.addButton(chartDisplayBtn);
    viewButtons.setDefaultButton(advanceDisplayBtn);
    groupWrapLayout.addComponent(viewButtons);

    mainLayout = new MHorizontalLayout().withFullHeight().withFullWidth();
    wrapBody = new MVerticalLayout().withMargin(new MarginInfo(false, true, true, false));
    rightColumn =
        new MVerticalLayout()
            .withWidth("350px")
            .withMargin(new MarginInfo(true, false, false, false));
    mainLayout.with(wrapBody, rightColumn).expand(wrapBody);
  }