Examples with RowSorterImpl com.haulmont.cuba.desktop.gui.data.RowSorterImpl used on opensource projects

Example 1 with RowSorterImpl

use of com.haulmont.cuba.desktop.gui.data.RowSorterImpl in project cuba by cuba-platform.

the class DesktopAbstractTable method setDatasource.

@Override
public void setDatasource(final CollectionDatasource datasource) {
    Preconditions.checkNotNullArgument(datasource, "datasource is null");
    final Collection<Object> properties;
    if (this.columns.isEmpty()) {
        MetadataTools metadataTools = AppBeans.get(MetadataTools.NAME);
        MessageTools messageTools = AppBeans.get(MessageTools.NAME);
        Collection<MetaPropertyPath> paths = datasource.getView() != null ? // if a view is specified - use view properties
        metadataTools.getViewPropertyPaths(datasource.getView(), datasource.getMetaClass()) : // otherwise use only string properties from meta-class - the temporary solution for KeyValue datasources
        metadataTools.getPropertyPaths(datasource.getMetaClass()).stream().filter(mpp -> mpp.getRangeJavaClass().equals(String.class)).collect(Collectors.toList());
        for (MetaPropertyPath metaPropertyPath : paths) {
            MetaProperty property = metaPropertyPath.getMetaProperty();
            if (!property.getRange().getCardinality().isMany() && !metadataTools.isSystem(property)) {
                Table.Column column = new Table.Column(metaPropertyPath);
                String propertyName = property.getName();
                MetaClass propertyMetaClass = metadataTools.getPropertyEnclosingMetaClass(metaPropertyPath);
                column.setCaption(messageTools.getPropertyCaption(propertyMetaClass, propertyName));
                column.setType(metaPropertyPath.getRangeJavaClass());
                Element element = DocumentHelper.createElement("column");
                column.setXmlDescriptor(element);
                addColumn(column);
            }
        }
    }
    properties = this.columns.keySet();
    this.datasource = datasource;
    collectionChangeListener = e -> {
        switch(e.getOperation()) {
            case CLEAR:
            case REFRESH:
                fieldDatasources.clear();
                break;
            case UPDATE:
            case REMOVE:
                for (Object entity : e.getItems()) {
                    fieldDatasources.remove(entity);
                }
                break;
        }
    };
    // noinspection unchecked
    datasource.addCollectionChangeListener(new WeakCollectionChangeListener(datasource, collectionChangeListener));
    initTableModel(datasource);
    initChangeListener();
    setColumnIdentifiers();
    if (isSortable()) {
        impl.setRowSorter(new RowSorterImpl(tableModel));
    }
    initSelectionListener(datasource);
    List<MetaPropertyPath> editableColumns = null;
    if (isEditable()) {
        editableColumns = new LinkedList<>();
    }
    MetaClass metaClass = datasource.getMetaClass();
    for (final Object property : properties) {
        final Table.Column column = this.columns.get(property);
        if (column != null) {
            if (column.isCollapsed() && getColumnControlVisible()) {
                TableColumn tableColumn = getColumn(column);
                if (tableColumn instanceof TableColumnExt) {
                    ((TableColumnExt) tableColumn).setVisible(false);
                }
            }
            if (editableColumns != null && column.isEditable() && (property instanceof MetaPropertyPath)) {
                MetaPropertyPath propertyPath = (MetaPropertyPath) property;
                if (security.isEntityAttrUpdatePermitted(metaClass, property.toString())) {
                    editableColumns.add(propertyPath);
                }
            }
        }
    }
    if (editableColumns != null && !editableColumns.isEmpty()) {
        setEditableColumns(editableColumns);
    }
    List<Object> columnsOrder = new ArrayList<>();
    for (Table.Column column : this.columnsOrder) {
        if (column.getId() instanceof MetaPropertyPath) {
            MetaPropertyPath metaPropertyPath = (MetaPropertyPath) column.getId();
            if (security.isEntityAttrReadPermitted(metaClass, metaPropertyPath.toString())) {
                columnsOrder.add(column.getId());
            }
        } else {
            columnsOrder.add(column.getId());
        }
    }
    setVisibleColumns(columnsOrder);
    if (security.isSpecificPermitted(ShowInfoAction.ACTION_PERMISSION)) {
        ShowInfoAction action = (ShowInfoAction) getAction(ShowInfoAction.ACTION_ID);
        if (action == null) {
            action = new ShowInfoAction();
            addAction(action);
        }
        action.setDatasource(datasource);
    }
    securityCollectionChangeListener = e -> {
        onDataChange();
        packRows();
        // #PL-2035, reload selection from ds
        Set<E> selectedItems1 = getSelected();
        if (selectedItems1 == null) {
            selectedItems1 = Collections.emptySet();
        }
        Set<E> newSelection = new HashSet<>();
        for (E entity : selectedItems1) {
            if (e.getDs().containsItem(entity.getId())) {
                newSelection.add(entity);
            }
        }
        if (e.getDs().getState() == Datasource.State.VALID && e.getDs().getItem() != null) {
            if (e.getDs().containsItem(e.getDs().getItem().getId())) {
                newSelection.add((E) e.getDs().getItem());
            }
        }
        if (newSelection.isEmpty()) {
            setSelected((E) null);
        } else {
            setSelected(newSelection);
        }
    };
    // noinspection unchecked
    datasource.addCollectionChangeListener(new WeakCollectionChangeListener(datasource, securityCollectionChangeListener));
    itemPropertyChangeListener = e -> {
        List<Column> columns1 = getColumns();
        boolean find = false;
        int i = 0;
        while ((i < columns1.size()) & !find) {
            Object columnId = columns1.get(i).getId();
            if (columnId instanceof MetaPropertyPath) {
                String propertyName = ((MetaPropertyPath) columnId).getMetaProperty().getName();
                if (propertyName.equals(e.getProperty())) {
                    find = true;
                }
            }
            i++;
        }
        if (find) {
            onDataChange();
        }
        packRows();
    };
    // noinspection unchecked
    datasource.addItemPropertyChangeListener(new WeakItemPropertyChangeListener(datasource, itemPropertyChangeListener));
    if (rowsCount != null) {
        rowsCount.setDatasource(datasource);
    }
    collectionDsActionsNotifier = new CollectionDsActionsNotifier(this);
    collectionDsActionsNotifier.bind(datasource);
    for (Action action : getActions()) {
        action.refreshState();
    }
    if (!canBeSorted(datasource))
        setSortable(false);
}