protected void encodeMarkup(FacesContext facesContext, DataGrid grid) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = grid.getClientId(facesContext);
boolean hasPaginator = grid.isPaginator();
String paginatorPosition = grid.getPaginatorPosition();
String styleClass =
grid.getStyleClass() == null
? DataGrid.CONTAINER_CLASS
: DataGrid.CONTAINER_CLASS + " " + grid.getStyleClass();
writer.startElement("div", grid);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if (hasPaginator && !paginatorPosition.equalsIgnoreCase("bottom")) {
encodePaginatorContainer(facesContext, clientId + "_paginatorTop");
}
encodeTable(facesContext, grid, false);
if (hasPaginator && !paginatorPosition.equalsIgnoreCase("top")) {
encodePaginatorContainer(facesContext, clientId + "_paginatorBottom");
}
writer.endElement("div");
}
public void decode(FacesContext facesContext, UIComponent component) {
Map<String, String> params = facesContext.getExternalContext().getRequestParameterMap();
DataGrid grid = (DataGrid) component;
String clientId = grid.getClientId(facesContext);
boolean isAjaxPaging = params.containsKey(clientId + "_ajaxPaging");
if (isAjaxPaging) {
grid.setFirst(Integer.valueOf(params.get(clientId + "_first")));
grid.setRows(Integer.valueOf(params.get(clientId + "_rows")));
grid.setPage(Integer.valueOf(params.get(clientId + "_page")));
}
}
protected void encodeTable(FacesContext facesContext, DataGrid grid, boolean hidden)
throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = grid.getClientId(facesContext);
int columns = grid.getColumns();
int rowIndex = grid.getFirst();
int numberOfRowsToRender =
(grid.getRows() != 0 ? grid.getRows() : grid.getRowCount()) / columns;
writer.startElement("table", grid);
writer.writeAttribute("id", clientId + "_table", "id");
writer.writeAttribute("class", DataGrid.TABLE_CLASS, null);
if (hidden) writer.writeAttribute("style", "display:none", null);
writer.startElement("tbody", null);
for (int i = 0; i < numberOfRowsToRender; i++) {
writer.startElement("tr", null);
writer.writeAttribute("class", DataGrid.TABLE_ROW_CLASS, null);
for (int j = 0; j < columns; j++) {
grid.setRowIndex(rowIndex);
writer.startElement("td", null);
writer.writeAttribute("class", DataGrid.TABLE_COLUMN_CLASS, null);
if (grid.isRowAvailable()) {
renderChildren(facesContext, grid);
rowIndex++;
}
writer.endElement("td");
}
writer.endElement("tr");
if (!grid.isRowAvailable()) break;
}
grid.setRowIndex(-1); // cleanup
writer.endElement("tbody");
writer.endElement("table");
}
protected void encodeScript(FacesContext facesContext, DataGrid grid) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = grid.getClientId(facesContext);
String widgetVar = createUniqueWidgetVar(facesContext, grid);
UIComponent form = ComponentUtils.findParentForm(facesContext, grid);
if (form == null) {
throw new FacesException("DataGrid : \"" + clientId + "\" must be inside a form element");
}
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write(widgetVar + " = new PrimeFaces.widget.DataGrid('" + clientId + "',{");
writer.write("url:'" + getActionURL(facesContext) + "'");
writer.write(",formId:'" + form.getClientId(facesContext) + "'");
if (grid.isPaginator()) {
writer.write(",paginator:new YAHOO.widget.Paginator({");
writer.write("rowsPerPage:" + grid.getRows());
writer.write(",totalRecords:" + grid.getRowCount());
writer.write(",initialPage:" + grid.getPage());
if (grid.getPageLinks() != 10) writer.write(",pageLinks:" + grid.getPageLinks());
if (grid.getPaginatorTemplate() != null)
writer.write(",template:'" + grid.getPaginatorTemplate() + "'");
if (grid.getRowsPerPageTemplate() != null)
writer.write(",rowsPerPageOptions : [" + grid.getRowsPerPageTemplate() + "]");
if (grid.getFirstPageLinkLabel() != null)
writer.write(",firstPageLinkLabel:'" + grid.getFirstPageLinkLabel() + "'");
if (grid.getPreviousPageLinkLabel() != null)
writer.write(",previousPageLinkLabel:'" + grid.getPreviousPageLinkLabel() + "'");
if (grid.getNextPageLinkLabel() != null)
writer.write(",nextPageLinkLabel:'" + grid.getNextPageLinkLabel() + "'");
if (grid.getLastPageLinkLabel() != null)
writer.write(",lastPageLinkLabel:'" + grid.getLastPageLinkLabel() + "'");
if (grid.getCurrentPageReportTemplate() != null)
writer.write(",pageReportTemplate:'" + grid.getCurrentPageReportTemplate() + "'");
if (!grid.isPaginatorAlwaysVisible()) writer.write(",alwaysVisible:false");
String paginatorPosition = grid.getPaginatorPosition();
String paginatorContainer = null;
if (paginatorPosition.equals("both"))
paginatorContainer = clientId + "_paginatorTop','" + clientId + "_paginatorBottom";
else if (paginatorPosition.equals("top")) paginatorContainer = clientId + "_paginatorTop";
else if (paginatorPosition.equals("bottom"))
paginatorContainer = clientId + "_paginatorBottom";
writer.write(",containers:['" + paginatorContainer + "']");
writer.write("})");
if (grid.isEffect()) {
writer.write(",effect:true");
writer.write(",effectSpeed:'" + grid.getEffectSpeed() + "'");
}
}
writer.write("});");
writer.endElement("script");
}
