Esempio n. 1
0
  @Override
  public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
    DataTable table = (DataTable) component;

    if (table.shouldEncodeFeature(context)) {
      for (Iterator<DataTableFeature> it = DataTable.FEATURES.values().iterator(); it.hasNext(); ) {
        DataTableFeature feature = it.next();

        if (feature.shouldEncode(context, table)) {
          feature.encode(context, this, table);
        }
      }
    } else {
      if (table.isLazy()) {
        if (table.isLiveScroll()) table.loadLazyScrollData(0, table.getScrollRows());
        else table.loadLazyData();
      }

      encodeMarkup(context, table);
      encodeScript(context, table);
    }
  }
Esempio n. 2
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  protected void encodeScript(FacesContext context, DataTable table) throws IOException {
    ResponseWriter writer = context.getResponseWriter();
    String clientId = table.getClientId(context);
    String selectionMode = table.resolveSelectionMode();

    WidgetBuilder wb = getWidgetBuilder(context);
    wb.widget("DataTable", table.resolveWidgetVar(), clientId, true);

    // Pagination
    if (table.isPaginator()) {
      encodePaginatorConfig(context, table, wb);
    }

    // Selection
    wb.attr("selectionMode", selectionMode, null);

    // Filtering
    if (table.isFilteringEnabled()) {
      wb.attr("filter", true)
          .attr("filterEvent", table.getFilterEvent(), null)
          .attr("filterDelay", table.getFilterDelay(), Integer.MAX_VALUE);
    }

    // Row expansion
    if (table.getRowExpansion() != null) {
      wb.attr("expansion", true);
    }

    // Scrolling
    if (table.isScrollable()) {
      wb.attr("scrollable", true)
          .attr("liveScroll", table.isLiveScroll())
          .attr("scrollStep", table.getScrollRows())
          .attr("scrollLimit", table.getRowCount())
          .attr("scrollWidth", table.getScrollWidth(), null)
          .attr("scrollHeight", table.getScrollHeight(), null);
    }

    // Resizable/Draggable Columns
    wb.attr("resizableColumns", table.isResizableColumns(), false)
        .attr("liveResize", table.isLiveResize(), false)
        .attr("draggableColumns", table.isDraggableColumns(), false);

    // Editing
    if (table.isEditable()) {
      wb.attr("editable", true)
          .attr("editMode", table.getEditMode())
          .attr("cellSeparator", table.getCellSeparator(), null);
    }

    // MultiColumn Sorting
    if (table.isMultiSort()) {
      wb.attr("multiSort", true);
    }

    // Behaviors
    encodeClientBehaviors(context, table, wb);

    startScript(writer, clientId);
    writer.write(wb.build());
    endScript(writer);
  }
Esempio n. 3
0
  public void encodeTbody(FacesContext context, DataTable table, boolean dataOnly)
      throws IOException {
    ResponseWriter writer = context.getResponseWriter();
    String rowIndexVar = table.getRowIndexVar();
    String clientId = table.getClientId(context);
    String emptyMessage = table.getEmptyMessage();
    UIComponent emptyFacet = table.getFacet("emptyMessage");
    SubTable subTable = table.getSubTable();
    SummaryRow summaryRow = table.getSummaryRow();

    if (table.isSelectionEnabled()) {
      table.findSelectedRowKeys();
    }

    int rows = table.getRows();
    int first = table.getFirst();
    int rowCount = table.getRowCount();
    int rowCountToRender =
        rows == 0 ? (table.isLiveScroll() ? table.getScrollRows() : rowCount) : rows;
    boolean hasData = rowCount > 0;

    if (!dataOnly) {
      writer.startElement("tbody", null);
      writer.writeAttribute("id", clientId + "_data", null);
      writer.writeAttribute("class", DataTable.DATA_CLASS, null);
    }

    if (hasData) {
      for (int i = first; i < (first + rowCountToRender); i++) {
        if (subTable != null) {
          encodeSubTable(context, table, subTable, i, rowIndexVar);
        } else {

          table.setRowIndex(i);
          if (!table.isRowAvailable()) {
            break;
          }

          encodeRow(context, table, clientId, i, rowIndexVar);

          if (summaryRow != null && !isInSameGroup(context, table, i)) {
            table.setRowIndex(i); // restore
            encodeSummaryRow(context, table, summaryRow);
          }
        }
      }
    } else {
      // Empty message
      writer.startElement("tr", null);
      writer.writeAttribute("class", DataTable.EMPTY_MESSAGE_ROW_CLASS, null);

      writer.startElement("td", null);
      writer.writeAttribute("colspan", table.getColumnsCount(), null);

      if (emptyFacet != null) emptyFacet.encodeAll(context);
      else writer.write(emptyMessage);

      writer.endElement("td");

      writer.endElement("tr");
    }

    if (!dataOnly) {
      writer.endElement("tbody");
    }

    // Cleanup
    table.setRowIndex(-1);
    if (rowIndexVar != null) {
      context.getExternalContext().getRequestMap().remove(rowIndexVar);
    }
  }