Examples with EJRWTAppItemRenderer org.entirej.applicationframework.rwt.renderer.interfaces.EJRWTAppItemRenderer used on opensource projects

Example 11 with EJRWTAppItemRenderer

use of org.entirej.applicationframework.rwt.renderer.interfaces.EJRWTAppItemRenderer in project rap by entirej.

the class EJRWTStandardLovRenderer method createScreenItem.

public ColumnLabelProvider createScreenItem(EJRWTTableViewerColumnFactory factory, EJCoreMainScreenItemProperties itemProps) {
    if (itemProps.isSpacerItem()) {
        return null;
    }
    EJScreenItemController item = _block.getScreenItem(EJScreenType.MAIN, itemProps.getReferencedItemName());
    EJManagedItemRendererWrapper renderer = item.getManagedItemRenderer();
    if (renderer != null) {
        EJFrameworkExtensionProperties blockProperties = itemProps.getLovRendererRequiredProperties();
        EJRWTAppItemRenderer itemRenderer = (EJRWTAppItemRenderer) renderer.getUnmanagedRenderer();
        ColumnLabelProvider labelProvider = itemRenderer.createColumnLabelProvider(itemProps, item);
        if (labelProvider != null) {
            int _widthHint = blockProperties.getIntProperty(EJRWTMultiRecordBlockDefinitionProperties.DISPLAY_WIDTH_PROPERTY, 0);
            // width
            if (_widthHint == 0) {
                if (itemProps.getLabel() != null) {
                    // offset
                    _widthHint = itemProps.getLabel().length() + 2;
                } else {
                    _widthHint = 5;
                }
            }
            String alignmentProperty = blockProperties.getStringProperty(EJRWTMultiRecordBlockDefinitionProperties.COLUMN_ALIGNMENT);
            TableViewerColumn viewerColumn = factory.createColumn(itemProps.getLabel(), _widthHint, labelProvider, getComponentStyle(alignmentProperty));
            TableColumn column = viewerColumn.getColumn();
            column.setToolTipText(itemProps.getHint());
            column.setMoveable(blockProperties.getBooleanProperty(EJRWTMultiRecordBlockDefinitionProperties.ALLOW_COLUMN_REORDER, true));
            column.setResizable(blockProperties.getBooleanProperty(EJRWTMultiRecordBlockDefinitionProperties.ALLOW_COLUMN_RESIZE, true));
            if (blockProperties.getBooleanProperty(EJRWTMultiRecordBlockDefinitionProperties.ALLOW_ROW_SORTING, true)) {
                EJRWTAbstractTableSorter columnSorter = itemRenderer.getColumnSorter(itemProps, item);
                if (columnSorter != null) {
                    new EJRWTTableSortSelectionListener(_tableViewer, column, columnSorter, SWT.UP, false);
                }
            }
            // ensure that the width property of the table column is in
            // Characters
            Font font = labelProvider.getFont(new Object());
            if (font == null) {
                font = _tableViewer.getTable().getFont();
            }
            if (font != null) {
                float avgCharWidth = EJRWTImageRetriever.getGraphicsProvider().getAvgCharWidth(font);
                if (avgCharWidth > 0) {
                    // add
                    column.setWidth((int) ((column.getWidth() + 1) * avgCharWidth));
                // +1
                // padding
                }
            }
            return labelProvider;
        }
    }
    return null;
}