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org.primefaces.component.selectonemenu.SelectOneMenuRenderer 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.component.selectonemenu;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectOne;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import javax.faces.model.SelectItemGroup;
import org.primefaces.component.column.Column;
import org.primefaces.context.RequestContext;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.SelectOneRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class SelectOneMenuRenderer extends SelectOneRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
if(!shouldDecode(component)) {
return;
}
SelectOneMenu menu = (SelectOneMenu) component;
if(menu.isEditable()) {
Map params = context.getExternalContext().getRequestParameterMap();
decodeBehaviors(context, menu);
menu.setSubmittedValue(params.get(menu.getClientId(context) + "_editableInput"));
}
else {
super.decode(context, component);
}
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
return context.getRenderKit().getRenderer("javax.faces.SelectOne", "javax.faces.Menu").getConvertedValue(context, component, submittedValue);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
SelectOneMenu menu = (SelectOneMenu) component;
encodeMarkup(context, menu);
encodeScript(context, menu);
}
protected void encodeMarkup(FacesContext context, SelectOneMenu menu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
List selectItems = getSelectItems(context, menu);
String clientId = menu.getClientId(context);
Converter converter = menu.getConverter();
Object values = getValues(menu);
Object submittedValues = getSubmittedValues(menu);
boolean valid = menu.isValid();
String style = menu.getStyle();
String styleClass = menu.getStyleClass();
styleClass = styleClass == null ? SelectOneMenu.STYLE_CLASS : SelectOneMenu.STYLE_CLASS + " " + styleClass;
styleClass = !valid ? styleClass + " ui-state-error" : styleClass;
styleClass = menu.isDisabled() ? styleClass + " ui-state-disabled" : styleClass;
writer.startElement("div", menu);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleclass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
encodeInput(context, menu, clientId, selectItems, values, submittedValues, converter);
encodeLabel(context, menu, selectItems);
encodeMenuIcon(context, menu, valid);
encodePanel(context, menu, selectItems);
writer.endElement("div");
}
protected void encodeInput(FacesContext context, SelectOneMenu menu, String clientId, List selectItems, Object values, Object submittedValues, Converter converter) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String inputId = clientId + "_input";
String focusId = clientId + "_focus";
writer.startElement("div", menu);
writer.writeAttribute("class", "ui-helper-hidden-accessible", null);
writer.startElement("select", menu);
writer.writeAttribute("id", inputId, "id");
writer.writeAttribute("name", inputId, null);
writer.writeAttribute("tabindex", "-1", null);
if(menu.isDisabled()) writer.writeAttribute("disabled", "disabled", null);
if(menu.getOnkeydown() != null) writer.writeAttribute("onkeydown", menu.getOnkeydown(), null);
if(menu.getOnkeyup() != null) writer.writeAttribute("onkeyup", menu.getOnkeyup(), null);
renderOnchange(context, menu);
if(RequestContext.getCurrentInstance().getApplicationContext().getConfig().isClientSideValidationEnabled()) {
renderValidationMetadata(context, menu);
}
encodeSelectItems(context, menu, selectItems, values, submittedValues, converter);
writer.endElement("select");
writer.endElement("div");
writer.startElement("div", menu);
writer.writeAttribute("class", "ui-helper-hidden-accessible", null);
//input for accessibility
writer.startElement("input", menu);
writer.writeAttribute("id", focusId, null);
writer.writeAttribute("name", focusId, null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("readonly", "readonly", null);
if(menu.getTabindex() != null) writer.writeAttribute("tabindex", menu.getTabindex(), null);
if(menu.isDisabled()) writer.writeAttribute("disabled", "disabled", null);
writer.endElement("input");
writer.endElement("div");
}
protected void encodeLabel(FacesContext context, SelectOneMenu menu, List selectItems) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String valueToRender = ComponentUtils.getValueToRender(context, menu);
if(menu.isEditable()) {
writer.startElement("input", null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("name", menu.getClientId() + "_editableInput", null);
writer.writeAttribute("class", SelectOneMenu.LABEL_CLASS, null);
if(menu.getTabindex() != null) {
writer.writeAttribute("tabindex", menu.getTabindex(), null);
}
if(menu.isDisabled()) {
writer.writeAttribute("disabled", "disabled", null);
}
if(valueToRender != null) {
writer.writeAttribute("value", valueToRender , null);
}
if(menu.getMaxlength() != Integer.MAX_VALUE) {
writer.writeAttribute("maxlength", menu.getMaxlength(), null);
}
writer.endElement("input");
}
else {
writer.startElement("label", null);
writer.writeAttribute("id", menu.getClientId() + "_label", null);
writer.writeAttribute("class", SelectOneMenu.LABEL_CLASS, null);
writer.write(" ");
writer.endElement("label");
}
}
protected void encodeMenuIcon(FacesContext context, SelectOneMenu menu, boolean valid) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String iconClass = valid ? SelectOneMenu.TRIGGER_CLASS : SelectOneMenu.TRIGGER_CLASS + " ui-state-error";
writer.startElement("div", menu);
writer.writeAttribute("class", iconClass, null);
writer.startElement("span", menu);
writer.writeAttribute("class", "ui-icon ui-icon-triangle-1-s ui-c", null);
writer.endElement("span");
writer.endElement("div");
}
protected void encodePanel(FacesContext context, SelectOneMenu menu, List selectItems) throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean customContent = menu.getVar() != null;
String panelStyle = menu.getPanelStyle();
String panelStyleClass = menu.getPanelStyleClass();
panelStyleClass = panelStyleClass == null ? SelectOneMenu.PANEL_CLASS : SelectOneMenu.PANEL_CLASS + " " + panelStyleClass;
writer.startElement("div", null);
writer.writeAttribute("id", menu.getClientId(context) + "_panel", null);
writer.writeAttribute("class", panelStyleClass, null);
if(panelStyle != null) {
writer.writeAttribute("style", panelStyle, null);
}
if(menu.isFilter()) {
encodeFilter(context, menu);
}
writer.startElement("div", null);
writer.writeAttribute("class", SelectOneMenu.ITEMS_WRAPPER_CLASS, null);
writer.writeAttribute("style", "height:" + calculateWrapperHeight(menu, selectItems.size()), null);
if(customContent) {
writer.startElement("table", menu);
writer.writeAttribute("class", SelectOneMenu.TABLE_CLASS, null);
writer.startElement("tbody", menu);
encodeOptionsAsTable(context, menu, selectItems);
writer.endElement("tbody");
writer.endElement("table");
}
else {
writer.startElement("ul", menu);
writer.writeAttribute("class", SelectOneMenu.LIST_CLASS, null);
encodeOptionsAsList(context, menu, selectItems);
writer.endElement("ul");
}
writer.endElement("div");
writer.endElement("div");
}
protected void encodeOptionsAsTable(FacesContext context, SelectOneMenu menu, List selectItems) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String var = menu.getVar();
List columns = menu.getColums();
for(SelectItem selectItem : selectItems) {
String itemLabel = selectItem.getLabel();
itemLabel = isValueBlank(itemLabel) ? " " : itemLabel;
Object itemValue = selectItem.getValue();
context.getExternalContext().getRequestMap().put(var, selectItem.getValue());
writer.startElement("tr", null);
writer.writeAttribute("class", SelectOneMenu.ROW_CLASS, null);
writer.writeAttribute("data-label", itemLabel, null);
if(selectItem.getDescription() != null) {
writer.writeAttribute("title", selectItem.getDescription(), null);
}
if(itemValue instanceof String) {
writer.startElement("td", null);
writer.writeAttribute("colspan", columns.size(), null);
writer.writeText(selectItem.getLabel(), null);
writer.endElement("td");
}
else {
for(Column column : columns) {
writer.startElement("td", null);
column.encodeAll(context);
writer.endElement("td");
}
}
writer.endElement("tr");
}
context.getExternalContext().getRequestMap().put(var, null);
}
protected void encodeOptionsAsList(FacesContext context, SelectOneMenu menu, List selectItems) throws IOException {
for(int i = 0; i < selectItems.size(); i++) {
SelectItem selectItem = selectItems.get(i);
if(selectItem instanceof SelectItemGroup) {
SelectItemGroup group = (SelectItemGroup) selectItem;
encodeItem(context, menu, group, SelectOneMenu.ITEM_GROUP_CLASS);
encodeOptionsAsList(context, menu, Arrays.asList(group.getSelectItems()));
}
else {
encodeItem(context, menu, selectItem, SelectOneMenu.ITEM_CLASS);
}
}
}
protected void encodeItem(FacesContext context, SelectOneMenu menu, SelectItem selectItem, String styleClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String itemLabel = selectItem.getLabel();
itemLabel = isValueBlank(itemLabel) ? " " : itemLabel;
writer.startElement("li", null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("data-label", itemLabel, null);
if(selectItem.getDescription() != null) {
writer.writeAttribute("title", selectItem.getDescription(), null);
}
if(itemLabel.equals(" "))
writer.write(itemLabel);
else {
if(selectItem.isEscape())
writer.writeText(itemLabel, "value");
else
writer.write(itemLabel);
}
writer.endElement("li");
}
protected void encodeScript(FacesContext context, SelectOneMenu menu) throws IOException {
String clientId = menu.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("SelectOneMenu", menu.resolveWidgetVar(), clientId)
.attr("effect", menu.getEffect(), null)
.attr("effectSpeed", menu.getEffectSpeed(), null)
.attr("editable", menu.isEditable(), false)
.attr("appendTo", SearchExpressionFacade.resolveComponentForClient(context, menu, menu.getAppendTo()), null);
if(menu.isFilter()) {
wb.attr("filter", true)
.attr("filterMatchMode", menu.getFilterMatchMode(), null)
.nativeAttr("filterFunction", menu.getFilterFunction(), null)
.attr("caseSensitive", menu.isCaseSensitive(), false);
}
wb.finish();
}
protected void encodeSelectItems(FacesContext context, SelectOneMenu menu, List selectItems, Object values, Object submittedValues, Converter converter) throws IOException {
for(SelectItem selectItem : selectItems) {
encodeOption(context, menu, selectItem, values, submittedValues, converter);
}
}
protected void encodeOption(FacesContext context, SelectOneMenu menu, SelectItem option, Object values, Object submittedValues, Converter converter) throws IOException {
ResponseWriter writer = context.getResponseWriter();
if(option instanceof SelectItemGroup) {
SelectItemGroup group = (SelectItemGroup) option;
for(SelectItem groupItem : group.getSelectItems()) {
encodeOption(context, menu, groupItem, values, submittedValues, converter);
}
}
else {
String itemValueAsString = getOptionAsString(context, menu, converter, option.getValue());
boolean disabled = option.isDisabled();
Object valuesArray;
Object itemValue;
if(submittedValues != null) {
valuesArray = submittedValues;
itemValue = itemValueAsString;
} else {
valuesArray = values;
itemValue = option.getValue();
}
boolean selected = isSelected(context, menu, itemValue, valuesArray, converter);
writer.startElement("option", null);
writer.writeAttribute("value", itemValueAsString, null);
if(disabled) writer.writeAttribute("disabled", "disabled", null);
if(selected) writer.writeAttribute("selected", "selected", null);
if(!isValueBlank(option.getLabel())) {
if(option.isEscape())
writer.writeText(option.getLabel(), "value");
else
writer.write(option.getLabel());
}
writer.endElement("option");
}
}
protected String calculateWrapperHeight(SelectOneMenu menu, int itemSize) {
int height = menu.getHeight();
if(height != Integer.MAX_VALUE) {
return height + "px";
} else if(itemSize > 10) {
return 200 + "px";
}
return "auto";
}
@Override
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Rendering happens on encodeEnd
}
@Override
public boolean getRendersChildren() {
return true;
}
@Override
protected String getSubmitParam(FacesContext context, UISelectOne selectOne) {
return selectOne.getClientId(context) + "_input";
}
protected void encodeFilter(FacesContext context, SelectOneMenu menu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String id = menu.getClientId(context) + "_filter";
writer.startElement("div", null);
writer.writeAttribute("class", "ui-selectonemenu-filter-container", null);
writer.startElement("input", null);
writer.writeAttribute("class", "ui-selectonemenu-filter ui-inputfield ui-inputtext ui-widget ui-state-default ui-corner-all", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", id, null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("autocomplete", "off", null);
writer.startElement("span", null);
writer.writeAttribute("class", "ui-icon ui-icon-search", id);
writer.endElement("span");
writer.endElement("input");
writer.endElement("div");
}
@Override
public String getHighlighter() {
return "onemenu";
}
}
