Examples of org.displaytag.model.HeaderCell

org.displaytag.model.HeaderCell
DataObject representing the column header. The header cell contains all the properties common to cells in the same column. @author Fabrizio Giustina @version $Revision: 1190 $ ($Author: fgiust $)

            previousValues.put(groupPropertyName, groupedPropertyValue);
        }


        for (Iterator<HeaderCell> it = tableModel.getHeaderCellList().iterator(); it.hasNext();)
        {
            HeaderCell cell = it.next();
            if (cell.isTotaled())
            {
                String totalPropertyName = cell.getBeanPropertyName();
                Number amount = (Number) evaluate(totalPropertyName);


                Number previousSubTotal = subTotals.get(totalPropertyName);
                Number previousGrandTotals = grandTotals.get(totalPropertyName);

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        List<HeaderCell> headerCells = tableModel.getHeaderCellList();


        for (Iterator<HeaderCell> it = headerCells.iterator(); it.hasNext();)
        {
            HeaderCell cell = it.next();
            Object cssClassObj = cell.getHtmlAttributes().get("class");
            String cssClass = cssClassObj != null ? cssClassObj.toString() : StringUtils.EMPTY;


            buffer.append("<td"); //$NON-NLS-1$
            if (StringUtils.isNotEmpty(cssClass))
            {
                buffer.append(" class=\""); //$NON-NLS-1$
                buffer.append(cssClass);
                buffer.append("\""); //$NON-NLS-1$
            }
            buffer.append(">"); //$NON-NLS-1$


            if (cell.isTotaled())
            {
                String totalPropertyName = cell.getBeanPropertyName();
                Object total = grandTotal ? grandTotals.get(totalPropertyName) : subTotals.get(totalPropertyName);


                DisplaytagColumnDecorator[] decorators = cell.getColumnDecorators();
                for (int j = 0; j < decorators.length; j++)
                {
                    try
                    {
                        total = decorators[j].decorate(total, this.getPageContext(), tableModel.getMedia());
                    }
                    catch (DecoratorException e)
                    {
                        log.warn(e.getMessage(), e);
                        // ignore, use undecorated value for totals
                    }
                }
                buffer.append(total);
            }
            else if (groupPropertyName != null && groupPropertyName.equals(cell.getBeanPropertyName()))
            {
                buffer.append(grandTotal ? totalLabel : new MessageFormat(subtotalLabel, this.tableModel
                    .getProperties()
                    .getLocale()).format(new Object[]{previousValues.get(groupPropertyName)}));
            }

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        Iterator iterator = this.tableModel.getHeaderCellList().iterator();


        while (iterator.hasNext())
        {
            // get the header cell
            HeaderCell headerCell = (HeaderCell) iterator.next();


            if (headerCell.getSortable())
            {
                String cssSortable = this.properties.getCssSortable();
                headerCell.addHeaderClass(cssSortable);
            }


            // if sorted add styles
            if (headerCell.isAlreadySorted())
            {
                // sorted css class
                headerCell.addHeaderClass(this.properties.getCssSorted());


                // sort order css class
                headerCell.addHeaderClass(this.properties.getCssOrder(this.tableModel.isSortOrderAscending()));
            }


            // append th with html attributes
            write(headerCell.getHeaderOpenTag());


            // title
            String header = headerCell.getTitle();


            // column is sortable, create link
            if (headerCell.getSortable())
            {
                // creates the link for sorting
                Anchor anchor = new Anchor(getSortingHref(headerCell), header);


                // append to buffer
                header = anchor.toString();
            }


            write(header);
            write(headerCell.getHeaderCloseTag());
        }


        // close tr
        write(TagConstants.TAG_TR_CLOSE);

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            buffer.append(ROW_START);
        }


        while (iterator.hasNext())
        {
            HeaderCell headerCell = (HeaderCell) iterator.next();


            String columnHeader = headerCell.getTitle();


            if (columnHeader == null)
            {
                columnHeader = StringUtils.capitalize(headerCell.getBeanPropertyName());
            }


            columnHeader = escapeColumnValue(columnHeader);


            if (CELL_START != null)

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            Iterator headerCellsIter = model.getHeaderCellList().iterator();
            boolean hasReachedGroupEnd = false;
            ArrayList structsForRow = new ArrayList(model.getHeaderCellList().size());
            while (headerCellsIter.hasNext())
            {
                HeaderCell header = (HeaderCell) headerCellsIter.next();


                // Get the value to be displayed for the column
                CellStruct struct = (CellStruct) currentRowValues.get(new Integer(header.getColumnNumber()));
                struct.decoratedValue = struct.bodyValue;
                // Check and see if there is a grouping transition. If there is, then notify the decorator
                if (header.getGroup() != -1)
                {
                    CellStruct prior = (CellStruct) previousRowValues.get(new Integer(header.getColumnNumber()));
                    CellStruct next = (CellStruct) nextRowValues.get(new Integer(header.getColumnNumber()));
                    // Why npe?
                    String priorBodyValue = prior != null ? prior.bodyValue : null;
                    String nextBodyValue = next != null ? next.bodyValue : null;
                    short groupingValue = groupColumns(struct.bodyValue, priorBodyValue, nextBodyValue);
                    hasReachedGroupEnd = hasReachedGroupEnd
                        || groupingValue == GROUP_END
                        || groupingValue == GROUP_NO_CHANGE;


                    if (tableDecorator != null)
                    {
                        switch (groupingValue)
                        {
                            case GROUP_START :
                                tableDecorator.startOfGroup(struct.bodyValue, header.getGroup());
                                break;
                            case GROUP_END :
                                tableDecorator.endOfGroup(struct.bodyValue, header.getGroup());
                                break;
                            case GROUP_START_AND_END :
                                tableDecorator.startOfGroup(struct.bodyValue, header.getGroup());
                                tableDecorator.endOfGroup(struct.bodyValue, header.getGroup());
                                break;
                            default :
                                break;
                        }
                    }

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    {
        Iterator iterator = this.model.getHeaderCellList().iterator();


        while (iterator.hasNext())
        {
            HeaderCell headerCell = (HeaderCell) iterator.next();


            String columnHeader = headerCell.getTitle();


            if (columnHeader == null)
            {
                columnHeader = StringUtils.capitalize(headerCell.getBeanPropertyName());
            }


            Cell hdrCell = getCell(columnHeader);
            hdrCell.setGrayFill(0.9f);
            hdrCell.setHeader(true);

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        super.init(context, decorated, model);
        List headerCells = model.getHeaderCellList();
        // go through each column, looking for grouped columns; add them to the group number map
        for (Iterator iterator = headerCells.iterator(); iterator.hasNext();)
        {
            HeaderCell headerCell = (HeaderCell) iterator.next();
            if (headerCell.getGroup() > 0)
            {
                groupNumberToGroupTotal.put(new Integer(headerCell.getGroup()), new GroupTotals(headerCell
                    .getColumnNumber()));
                if (headerCell.getGroup() > innermostGroup)
                {
                    innermostGroup = headerCell.getGroup();
                }
            }
        }
    }

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            if (firstRowOfCurrentSet < currentRow) // If there is more than one row, show a total
            {
                out.append(getTotalsRowOpen());
                for (Iterator iterator = headerCells.iterator(); iterator.hasNext();)
                {
                    HeaderCell headerCell = (HeaderCell) iterator.next();


                    if (columnNumber == headerCell.getColumnNumber())
                    {
                        // a totals label if it is the column for the current group
                        String currentLabel = getCellValue(columnNumber, firstRowOfCurrentSet);
                        out.append(getTotalsTdOpen(headerCell, getTotalLabelClass() + " group-" + (columnNumber + 1)));
                        out.append(getTotalRowLabel(currentLabel));
                    }
                    else if (headerCell.isTotaled())
                    {
                        // a total if the column should be totaled
                        double total = getTotalForColumn(headerCell.getColumnNumber(), firstRowOfCurrentSet, currentRow);
                        out.append(getTotalsTdOpen(headerCell, getTotalValueClass() + " group-" + (columnNumber + 1)));
                        out.append(formatTotal(headerCell, total));
                    }
                    else
                    {
                        // blank, if it is not a totals column
                        String style = "group-" + (columnNumber + 1);
                        if (headerCell.getColumnNumber() < innermostGroup)
                        {
                            style += " " + getTotalLabelClass() + " ";
                        }
                        out.append(getTotalsTdOpen(headerCell, style));
                    }

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        Iterator iterator = model.getHeaderCellList().iterator();


        float[] widths = new float[model.getNumberOfColumns()];
        for (int i = 0; iterator.hasNext(); i++)
        {
            HeaderCell headerCell = (HeaderCell) iterator.next();
            widths[i] = this.getCellWidth(headerCell);


            String columnHeader = headerCell.getTitle();


            if (columnHeader == null)
            {
                columnHeader = StringUtils.capitalize(headerCell.getBeanPropertyName());
            }


            Cell hdrCell = this.getHeaderCell(columnHeader);
            this.table.addCell(hdrCell);
        }

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        subTotals.clear();
        previousValues.clear();


        for (Iterator it = tableModel.getHeaderCellList().iterator(); it.hasNext();)
        {
            HeaderCell cell = (HeaderCell) it.next();
            if (cell.getGroup() == 1)
            {
                groupPropertyName = cell.getBeanPropertyName();
            }
        }
    }

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