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org.primefaces.mobile.renderkit.DataTableRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.mobile.renderkit;
import java.io.IOException;
import java.util.List;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.DynamicColumn;
import org.primefaces.component.api.UIColumn;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.component.row.Row;
import org.primefaces.mobile.renderkit.paginator.PaginatorRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.Constants;
import org.primefaces.util.MessageFactory;
import org.primefaces.util.WidgetBuilder;
public class DataTableRenderer extends org.primefaces.component.datatable.DataTableRenderer {
@Override
protected void encodeScript(FacesContext context, DataTable table) throws IOException{
String clientId = table.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("DataTable", table.resolveWidgetVar(), clientId);
wb.attr("selectionMode", table.getSelectionMode(), null)
.attr("reflow", table.isReflow(), false);
if(table.isPaginator()) {
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
paginatorRenderer.encodeScript(context, table, wb);
}
encodeClientBehaviors(context, table);
wb.finish();
}
@Override
protected void encodeMarkup(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = table.getClientId(context);
String style = table.getStyle();
String defaultStyleClass = DataTable.MOBILE_CONTAINER_CLASS;
String styleClass = table.getStyleClass();
styleClass = (styleClass == null) ? defaultStyleClass: defaultStyleClass + " " + styleClass;
boolean hasPaginator = table.isPaginator();
String paginatorPosition = table.getPaginatorPosition();
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
writer.startElement("div", table);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
if(table.isReflow()) {
encodeSortableHeaderOnReflow(context, table);
}
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("bottom")) {
paginatorRenderer.encodeMarkup(context, table, "top");
}
encodeRegularTable(context, table);
renderDynamicPassThruAttributes(context, table);
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("top")) {
paginatorRenderer.encodeMarkup(context, table, "bottom");
}
if(table.isSelectionEnabled()) {
encodeStateHolder(context, table, table.getClientId(context) + "_selection", table.getSelectedRowKeysAsString());
}
writer.endElement("div");
}
@Override
protected void encodeRegularTable(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String styleClass = table.getTableStyleClass();
styleClass = (styleClass == null) ? DataTable.MOBILE_TABLE_CLASS : DataTable.MOBILE_TABLE_CLASS + " " + styleClass;
if(table.isReflow()) {
styleClass = styleClass + " ui-table-reflow";
}
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.TABLE_WRAPPER_CLASS, null);
writer.startElement("table", null);
writer.writeAttribute("role", "grid", null);
writer.writeAttribute("class", styleClass, null);
if(table.getTableStyle() != null) writer.writeAttribute("style", table.getTableStyle(), null);
if(table.getSummary() != null) writer.writeAttribute("summary", table.getSummary(), null);
encodeThead(context, table);
encodeTFoot(context, table);
encodeTbody(context, table, false);
writer.endElement("table");
writer.endElement("div");
}
@Override
protected void encodeThead(FacesContext context, DataTable table, int columnStart, int columnEnd, String theadId, String columnGroupName) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ColumnGroup group = table.getColumnGroup("header");
List columns = table.getColumns();
String theadClientId = (theadId == null) ? table.getClientId(context) + "_head" : theadId;
writer.startElement("thead", null);
writer.writeAttribute("id", theadClientId, null);
if(group != null && group.isRendered()) {
context.getAttributes().put(Constants.HELPER_RENDERER, "columnGroup");
for(UIComponent child : group.getChildren()) {
if(child.isRendered()) {
if(child instanceof Row) {
Row headerRow = (Row) child;
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-bar-a", null);
for(UIComponent headerRowChild: headerRow.getChildren()) {
if(headerRowChild.isRendered()) {
if(headerRowChild instanceof Column)
encodeColumnHeader(context, table, (Column) headerRowChild);
else
headerRowChild.encodeAll(context);
}
}
writer.endElement("tr");
}
else {
child.encodeAll(context);
}
}
}
context.getAttributes().remove(Constants.HELPER_RENDERER);
}
else {
writer.startElement("tr", null);
writer.writeAttribute("class", "ui-bar-a", null);
writer.writeAttribute("role", "row", null);
for(int i = columnStart; i < columnEnd; i++) {
UIColumn column = columns.get(i);
if(column instanceof Column) {
encodeColumnHeader(context, table, column);
}
else if(column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeColumnHeader(context, table, dynamicColumn);
}
}
writer.endElement("tr");
}
writer.endElement("thead");
}
@Override
public void encodeColumnHeader(FacesContext context, DataTable table, UIColumn column) throws IOException {
if(!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String clientId = column.getContainerClientId(context);
ValueExpression columnSortByVE = column.getValueExpression("sortBy");
int priority = column.getPriority();
boolean sortable = (columnSortByVE != null);
String sortIcon = null;
String defaultStyleClass = sortable ? DataTable.MOBILE_COLUMN_HEADER_CLASS + " " + DataTable.SORTABLE_COLUMN_CLASS : DataTable.MOBILE_COLUMN_HEADER_CLASS;
String style = column.getStyle();
String styleClass = column.getStyleClass();
styleClass = (styleClass == null) ? defaultStyleClass: defaultStyleClass + " " + styleClass;
if(priority > 0) {
styleClass = styleClass + " ui-table-priority-" + priority;
}
if(sortable) {
ValueExpression tableSortByVE = table.getValueExpression("sortBy");
boolean defaultSorted = (tableSortByVE != null);
if(defaultSorted) {
sortIcon = resolveDefaultSortIcon(table, column, table.getSortOrder());
}
if(sortIcon == null) {
sortIcon = DataTable.MOBILE_SORT_ICON_CLASS;
}
else {
styleClass = styleClass + " " + DataTable.MOBILE_SORTED_COLUMN_CLASS;;
}
}
String width = column.getWidth();
if(width != null) {
String unit = width.endsWith("%") ? "" : "px";
if(style != null)
style = style + ";width:" + width + unit;
else
style = "width:" + width + unit;
}
writer.startElement("th", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("role", "columnheader", null);
writer.writeAttribute("class", styleClass, null);
if(style != null) writer.writeAttribute("style", style, null);
if(column.getRowspan() != 1) writer.writeAttribute("rowspan", column.getRowspan(), null);
if(column.getColspan() != 1) writer.writeAttribute("colspan", column.getColspan(), null);
encodeColumnHeaderContent(context, column, sortIcon);
writer.endElement("th");
}
@Override
public void encodeColumnFooter(FacesContext context, DataTable table, UIColumn column) throws IOException {
if(!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String style = column.getStyle();
String styleClass = column.getStyleClass();
writer.startElement("td", null);
if(style != null) writer.writeAttribute("style", style, null);
if(styleClass != null) writer.writeAttribute("class", styleClass, null);
if(column.getRowspan() != 1) writer.writeAttribute("rowspan", column.getRowspan(), null);
if(column.getColspan() != 1) writer.writeAttribute("colspan", column.getColspan(), null);
//Footer content
UIComponent facet = column.getFacet("footer");
String text = column.getFooterText();
if(facet != null) {
facet.encodeAll(context);
} else if(text != null) {
writer.write(text);
}
writer.endElement("td");
}
@Override
public void encodeTbody(FacesContext context, DataTable table, boolean dataOnly, int columnStart, int columnEnd, String tbodyId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String rowIndexVar = table.getRowIndexVar();
String clientId = table.getClientId(context);
String emptyMessage = table.getEmptyMessage();
UIComponent emptyFacet = table.getFacet("emptyMessage");
String tbodyClientId = (tbodyId == null) ? clientId + "_data" : tbodyId;
if(table.isSelectionEnabled()) {
table.findSelectedRowKeys();
}
int rows = table.getRows();
int first = table.getFirst();
int rowCount = table.getRowCount();
int rowCountToRender = rows == 0 ? rowCount : rows;
boolean hasData = rowCount > 0;
if(!dataOnly) {
writer.startElement("tbody", null);
writer.writeAttribute("id", tbodyClientId, null);
}
if(hasData) {
encodeRows(context, table, first, (first + rowCountToRender), columnStart, columnEnd);
}
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);
}
}
@Override
protected void encodeRows(FacesContext context, DataTable table, int first, int last, int columnStart, int columnEnd) throws IOException {
String clientId = table.getClientId(context);
for(int i = first; i < last; i++) {
table.setRowIndex(i);
if(!table.isRowAvailable()) {
break;
}
encodeRow(context, table, clientId, i, columnStart, columnEnd);
}
}
@Override
public boolean encodeRow(FacesContext context, DataTable table, String clientId, int rowIndex, int columnStart, int columnEnd) throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean selectionEnabled = table.isSelectionEnabled();
Object rowKey = null;
List columns = table.getColumns();
if(selectionEnabled) {
//try rowKey attribute
rowKey = table.getRowKey();
//ask selectable datamodel
if(rowKey == null)
rowKey = table.getRowKeyFromModel(table.getRowData());
}
//Preselection
boolean selected = table.getSelectedRowKeys().contains(rowKey);
String userRowStyleClass = table.getRowStyleClass();
String rowStyleClass = DataTable.MOBILE_ROW_CLASS;
if(selectionEnabled && !table.isDisabledSelection()) {
rowStyleClass = rowStyleClass + " " + DataTable.SELECTABLE_ROW_CLASS;
}
if(selected) {
rowStyleClass = rowStyleClass + " ui-bar-b";
}
if(userRowStyleClass != null) {
rowStyleClass = rowStyleClass + " " + userRowStyleClass;
}
writer.startElement("tr", null);
writer.writeAttribute("data-ri", rowIndex, null);
if(rowKey != null) {
writer.writeAttribute("data-rk", rowKey, null);
}
writer.writeAttribute("class", rowStyleClass, null);
for(int i = columnStart; i < columnEnd; i++) {
UIColumn column = columns.get(i);
if(column instanceof Column) {
encodeCell(context, table, column, clientId, false);
}
else if(column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeCell(context, table, dynamicColumn, null, false);
}
}
writer.endElement("tr");
return true;
}
@Override
protected void encodeCell(FacesContext context, DataTable table, UIColumn column, String clientId, boolean selected) throws IOException {
if(!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String style = column.getStyle();
String styleClass = column.getStyleClass();
int colspan = column.getColspan();
int rowspan = column.getRowspan();
int priority = column.getPriority();
if(priority > 0) {
styleClass = (styleClass == null) ? "ui-table-priority-" + priority : styleClass + " ui-table-priority-" + priority;
}
writer.startElement("td", null);
writer.writeAttribute("role", "gridcell", null);
if(colspan != 1) writer.writeAttribute("colspan", colspan, null);
if(rowspan != 1) writer.writeAttribute("rowspan", rowspan, null);
if(style != null) writer.writeAttribute("style", style, null);
if(styleClass != null) writer.writeAttribute("class", styleClass, null);
if(table.isReflow()) {
writer.startElement("b", table);
writer.writeAttribute("class", DataTable.MOBILE_CELL_LABEL, null);
String headerText = column.getHeaderText();
if (!ComponentUtils.isValueBlank(headerText)) {
writer.writeText(headerText, null);
}
writer.endElement("b");
}
column.renderChildren(context);
writer.endElement("td");
}
@Override
protected String resolveDefaultSortIcon(DataTable table, UIColumn column, String sortOrder) {
ValueExpression tableSortByVE = table.getValueExpression("sortBy");
ValueExpression columnSortByVE = column.getValueExpression("sortBy");
String columnSortByExpression = columnSortByVE.getExpressionString();
String tableSortByExpression = tableSortByVE.getExpressionString();
String field = column.getField();
String sortField = table.getSortField();
String sortIcon = null;
if((sortField != null && field != null && sortField.equals(field)) || (tableSortByExpression != null && tableSortByExpression.equals(columnSortByExpression))) {
if(sortOrder.equalsIgnoreCase("ASCENDING"))
sortIcon = DataTable.MOBILE_SORT_ICON_ASC_CLASS;
else if(sortOrder.equalsIgnoreCase("DESCENDING"))
sortIcon = DataTable.MOBILE_SORT_ICON_DESC_CLASS;
}
return sortIcon;
}
private PaginatorRenderer getPaginatorRenderer(FacesContext context) {
PaginatorRenderer renderer = ComponentUtils.getUnwrappedRenderer(
context,
"org.primefaces.component",
"org.primefaces.component.PaginatorRenderer",
PaginatorRenderer.class);
return renderer;
}
@Override
protected void encodeSortableHeaderOnReflow(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
List options = getSortableHeadersText(context, table);
if(!options.isEmpty()) {
String reflowId = table.getContainerClientId(context) + "_reflowDD";
writer.startElement("div", null);
writer.writeAttribute("class", "ui-reflow-dropdown", null);
writer.startElement("select", null);
writer.writeAttribute("id", reflowId, null);
writer.writeAttribute("name", reflowId, null);
writer.writeAttribute("data-role", "none", null);
encodeOptionOnReflow(context, "", MessageFactory.getMessage(DataTable.SORT_LABEL, null));
for(int headerIndex = 0; headerIndex < options.size(); headerIndex++) {
for(int order = 0; order < 2; order++) {
String orderVal = (order==0) ? MessageFactory.getMessage(DataTable.SORT_ASC, null) : MessageFactory.getMessage(DataTable.SORT_DESC, null);
String value = headerIndex + "_" + order;
String label = options.get(headerIndex) + " " + orderVal;
encodeOptionOnReflow(context, value, label);
}
}
writer.endElement("select");
writer.endElement("div");
}
}
protected void encodeOptionOnReflow(FacesContext context, String value, String label) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("option", null);
writer.writeAttribute("value", value, null);
writer.write(label);
writer.endElement("option");
}
}
