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org.primefaces.component.autocomplete.AutoCompleteRenderer 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.autocomplete;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import javax.faces.application.ProjectStage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.event.PhaseId;
import org.primefaces.component.column.Column;
import org.primefaces.context.RequestContext;
import org.primefaces.event.AutoCompleteEvent;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class AutoCompleteRenderer extends InputRenderer {
private static final Logger LOG = Logger.getLogger(AutoCompleteRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
AutoComplete ac = (AutoComplete) component;
String clientId = ac.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
if(ac.isDisabled() || ac.isReadonly()) {
return;
}
if(ac.isMultiple()) {
decodeMultiple(context, ac);
}
else {
decodeSingle(context, ac);
}
decodeBehaviors(context, ac);
//AutoComplete event
String query = params.get(clientId + "_query");
if(query != null) {
AutoCompleteEvent autoCompleteEvent = new AutoCompleteEvent(ac, query);
autoCompleteEvent.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);
ac.queueEvent(autoCompleteEvent);
}
}
protected void decodeSingle(FacesContext context, AutoComplete ac) {
Map params = context.getExternalContext().getRequestParameterMap();
String clientId = ac.getClientId(context);
String valueParam = (ac.getVar() != null) ? clientId + "_hinput" : clientId + "_input";
String submittedValue = params.get(valueParam);
if(submittedValue != null) {
ac.setSubmittedValue(submittedValue);
}
}
protected void decodeMultiple(FacesContext context, AutoComplete ac) {
Map params = context.getExternalContext().getRequestParameterValuesMap();
String clientId = ac.getClientId(context);
String[] submittedValues = params.get(clientId + "_hinput");
if(submittedValues != null) {
ac.setSubmittedValue(submittedValues);
}
else {
ac.setSubmittedValue("");
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
AutoComplete autoComplete = (AutoComplete) component;
Map params = context.getExternalContext().getRequestParameterMap();
String query = params.get(autoComplete.getClientId(context) + "_query");
if(query != null) {
encodeResults(context, component, query);
}
else {
encodeMarkup(context, autoComplete);
encodeScript(context, autoComplete);
}
}
@SuppressWarnings("unchecked")
public void encodeResults(FacesContext context, UIComponent component, String query) throws IOException {
AutoComplete ac = (AutoComplete) component;
List results = ac.getSuggestions();
int maxResults = ac.getMaxResults();
if(maxResults != Integer.MAX_VALUE && results.size() > maxResults) {
results = results.subList(0, ac.getMaxResults());
}
encodeSuggestions(context, ac, results);
}
protected void encodeMarkup(FacesContext context, AutoComplete ac) throws IOException {
if(ac.isMultiple())
encodeMultipleMarkup(context, ac);
else
encodeSingleMarkup(context, ac);
}
protected void encodeSingleMarkup(FacesContext context, AutoComplete ac) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = ac.getClientId(context);
String styleClass = ac.getStyleClass();
styleClass = styleClass == null ? AutoComplete.STYLE_CLASS : AutoComplete.STYLE_CLASS + " " + styleClass;
writer.startElement("span", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
if(ac.getStyle() != null) {
writer.writeAttribute("style", ac.getStyle(), null);
}
encodeInput(context, ac, clientId);
if(ac.getVar() != null) {
encodeHiddenInput(context, ac, clientId);
}
if(ac.isDropdown()) {
encodeDropDown(context, ac);
}
encodePanel(context, ac);
writer.endElement("span");
}
protected void encodeInput(FacesContext context, AutoComplete ac, String clientId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean disabled = ac.isDisabled();
String itemLabel;
String defaultStyleClass = ac.isDropdown() ? AutoComplete.INPUT_WITH_DROPDOWN_CLASS : AutoComplete.INPUT_CLASS;
String styleClass = disabled ? defaultStyleClass + " ui-state-disabled" : defaultStyleClass;
styleClass = ac.isValid() ? styleClass : styleClass + " ui-state-error";
writer.startElement("input", null);
writer.writeAttribute("id", clientId + "_input", null);
writer.writeAttribute("name", clientId + "_input", null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("autocomplete", "off", null);
renderPassThruAttributes(context, ac, HTML.INPUT_TEXT_ATTRS_WITHOUT_EVENTS);
renderDomEvents(context, ac, HTML.INPUT_TEXT_EVENTS);
if(ac.getVar() == null) {
itemLabel = ComponentUtils.getValueToRender(context, ac);
if(itemLabel != null) {
writer.writeAttribute("value", itemLabel , null);
}
}
else {
if(ac.isValid()) {
context.getExternalContext().getRequestMap().put(ac.getVar(), ac.getValue());
itemLabel = ac.getItemLabel();
}
else {
Object submittedValue = ac.getSubmittedValue();
itemLabel = (submittedValue == null) ? null : String.valueOf(submittedValue);
}
if(itemLabel != null) {
writer.writeAttribute("value", itemLabel, null);
}
}
if(disabled) writer.writeAttribute("disabled", "disabled", null);
if(ac.isReadonly()) writer.writeAttribute("readonly", "readonly", null);
if(RequestContext.getCurrentInstance().getApplicationContext().getConfig().isClientSideValidationEnabled()) {
renderValidationMetadata(context, ac);
}
writer.endElement("input");
}
protected void encodeHiddenInput(FacesContext context, AutoComplete ac, String clientId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String valueToRender = ComponentUtils.getValueToRender(context, ac);
writer.startElement("input", null);
writer.writeAttribute("id", clientId + "_hinput", null);
writer.writeAttribute("name", clientId + "_hinput", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("autocomplete", "off", null);
if(valueToRender != null) {
writer.writeAttribute("value", valueToRender, null);
}
writer.endElement("input");
}
protected void encodeHiddenSelect(FacesContext context, AutoComplete ac, String clientId, List values) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String id = clientId + "_hinput";
writer.startElement("select", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", id, null);
writer.writeAttribute("multiple", "multiple", null);
writer.writeAttribute("class", "ui-helper-hidden", null);
if(ac.isDisabled()) {
writer.writeAttribute("disabled", "disabled", "disabled");
}
for(String value : values) {
writer.startElement("option", null);
writer.writeAttribute("value", value, null);
writer.writeAttribute("selected", "selected", null);
writer.endElement("option");
}
writer.endElement("select");
}
protected void encodeDropDown(FacesContext context, AutoComplete ac) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String dropdownClass = AutoComplete.DROPDOWN_CLASS;
boolean disabled = ac.isDisabled();
if(disabled) {
dropdownClass += " ui-state-disabled";
}
writer.startElement("button", ac);
writer.writeAttribute("class", dropdownClass, null);
writer.writeAttribute("type", "button", null);
if(disabled) {
writer.writeAttribute("disabled", "disabled", null);
}
if(ac.getTabindex() != null) {
writer.writeAttribute("tabindex", ac.getTabindex(), null);
}
writer.startElement("span", null);
writer.writeAttribute("class", "ui-button-icon-primary ui-icon ui-icon-triangle-1-s", null);
writer.endElement("span");
writer.startElement("span", null);
writer.writeAttribute("class", "ui-button-text", null);
writer.write(" ");
writer.endElement("span");
writer.endElement("button");
}
protected void encodePanel(FacesContext context, AutoComplete ac) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String styleClass = ac.getPanelStyleClass();
styleClass = styleClass == null ? AutoComplete.PANEL_CLASS : AutoComplete.PANEL_CLASS + " " + styleClass;
writer.startElement("div", null);
writer.writeAttribute("id", ac.getClientId(context) + "_panel", null);
writer.writeAttribute("class", styleClass, null);
if(ac.getPanelStyle() != null) {
writer.writeAttribute("style", ac.getPanelStyle(), null);
}
writer.endElement("div");
}
protected void encodeMultipleMarkup(FacesContext context, AutoComplete ac) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = ac.getClientId(context);
String inputId = clientId + "_input";
List values = (List) ac.getValue();
List stringValues = new ArrayList();
boolean disabled = ac.isDisabled();
String tabindex = ac.getTabindex();
String styleClass = ac.getStyleClass();
styleClass = styleClass == null ? AutoComplete.MULTIPLE_STYLE_CLASS : AutoComplete.MULTIPLE_STYLE_CLASS + " " + styleClass;
String listClass = disabled ? AutoComplete.MULTIPLE_CONTAINER_CLASS + " ui-state-disabled" : AutoComplete.MULTIPLE_CONTAINER_CLASS;
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
if(ac.getStyle() != null) {
writer.writeAttribute("style", ac.getStyle(), null);
}
writer.startElement("ul", null);
writer.writeAttribute("class", listClass, null);
if(values != null && !values.isEmpty()) {
Converter converter = ComponentUtils.getConverter(context, ac);
String var = ac.getVar();
boolean pojo = var != null;
for(Iterator it = values.iterator(); it.hasNext();) {
Object value = it.next();
Object itemValue = null;
String itemLabel = null;
if(pojo) {
context.getExternalContext().getRequestMap().put(var, value);
itemValue = ac.getItemValue();
itemLabel = ac.getItemLabel();
}
else {
itemValue = value;
itemLabel = String.valueOf(value);
}
String tokenValue = converter != null ? converter.getAsString(context, ac, itemValue) : String.valueOf(itemValue);
writer.startElement("li", null);
writer.writeAttribute("data-token-value", tokenValue, null);
writer.writeAttribute("class", AutoComplete.TOKEN_DISPLAY_CLASS, null);
writer.startElement("span", null);
writer.writeAttribute("class", AutoComplete.TOKEN_LABEL_CLASS, null);
writer.writeText(itemLabel, null);
writer.endElement("span");
writer.startElement("span", null);
writer.writeAttribute("class", AutoComplete.TOKEN_ICON_CLASS, null);
writer.endElement("span");
writer.endElement("li");
stringValues.add(tokenValue);
}
}
writer.startElement("li", null);
writer.writeAttribute("class", AutoComplete.TOKEN_INPUT_CLASS, null);
writer.startElement("input", null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("id", inputId, null);
writer.writeAttribute("name", inputId, null);
writer.writeAttribute("autocomplete", "off", null);
if(disabled) writer.writeAttribute("disabled", "disabled", "disabled");
if(tabindex != null) writer.writeAttribute("tabindex", tabindex, null);
if(ac.getMaxlength() != Integer.MIN_VALUE)writer.writeAttribute("maxlength", ""+ac.getMaxlength(),null);
writer.endElement("input");
writer.endElement("li");
writer.endElement("ul");
encodePanel(context, ac);
encodeHiddenSelect(context, ac, clientId, stringValues);
writer.endElement("div");
}
protected void encodeSuggestions(FacesContext context, AutoComplete ac, List items) throws IOException {
boolean customContent = ac.getColums().size() > 0;
Converter converter = ComponentUtils.getConverter(context, ac);
if(customContent) {
encodeSuggestionsAsTable(context, ac, items, converter);
}
else {
encodeSuggestionsAsList(context, ac, items, converter);
}
}
protected void encodeSuggestionsAsTable(FacesContext context, AutoComplete ac, List items, Converter converter) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String var = ac.getVar();
Map requestMap = context.getExternalContext().getRequestMap();
boolean pojo = var != null;
UIComponent itemtip = ac.getFacet("itemtip");
boolean hasHeader = false;
for(Column column : ac.getColums()) {
if(column.isRendered() && (column.getHeaderText() != null || column.getFacet("header") != null)) {
hasHeader = true;
break;
}
}
writer.startElement("table", ac);
writer.writeAttribute("class", AutoComplete.TABLE_CLASS, null);
if(hasHeader) {
writer.startElement("thead", ac);
for(Column column : ac.getColums()) {
if(!column.isRendered()) {
return;
}
String headerText = column.getHeaderText();
UIComponent headerFacet = column.getFacet("header");
String styleClass = column.getStyleClass() == null ? "ui-state-default" : "ui-state-default " + column.getStyleClass();
writer.startElement("th", null);
writer.writeAttribute("class", styleClass, null);
if(column.getStyle() != null)
writer.writeAttribute("style", column.getStyle(), null);
if(headerFacet != null)
headerFacet.encodeAll(context);
else if(headerText != null)
writer.write(headerText);
writer.endElement("th");
}
writer.endElement("thead");
}
writer.startElement("tbody", ac);
for(Object item : items) {
writer.startElement("tr", null);
writer.writeAttribute("class", AutoComplete.ROW_CLASS, null);
if(pojo) {
requestMap.put(var, item);
String value = converter == null ? (String) ac.getItemValue() : converter.getAsString(context, ac, ac.getItemValue());
writer.writeAttribute("data-item-value", value, null);
writer.writeAttribute("data-item-label", ac.getItemLabel(), null);
writer.writeAttribute("data-item-group", ac.getGroupBy(), null);
}
for(Column column : ac.getColums()) {
if(column.isRendered()) {
writer.startElement("td", null);
if(column.getStyle() != null) writer.writeAttribute("style", column.getStyle(), null);
if(column.getStyleClass() != null) writer.writeAttribute("class", column.getStyleClass(), null);
column.encodeAll(context);
writer.endElement("td");
}
}
if(itemtip != null && itemtip.isRendered()) {
writer.startElement("td", null);
writer.writeAttribute("class", AutoComplete.ITEMTIP_CONTENT_CLASS, null);
itemtip.encodeAll(context);
writer.endElement("td");
}
writer.endElement("tr");
}
writer.endElement("tbody");
writer.endElement("table");
}
protected void encodeSuggestionsAsList(FacesContext context, AutoComplete ac, List items, Converter converter) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String var = ac.getVar();
Map requestMap = context.getExternalContext().getRequestMap();
boolean pojo = var != null;
UIComponent itemtip = ac.getFacet("itemtip");
writer.startElement("ul", ac);
writer.writeAttribute("class", AutoComplete.LIST_CLASS, null);
for(Object item : items) {
writer.startElement("li", null);
writer.writeAttribute("class", AutoComplete.ITEM_CLASS, null);
if(pojo) {
requestMap.put(var, item);
String value = converter == null ? (String) ac.getItemValue() : converter.getAsString(context, ac, ac.getItemValue());
writer.writeAttribute("data-item-value", value, null);
writer.writeAttribute("data-item-label", ac.getItemLabel(), null);
writer.writeAttribute("data-item-group", ac.getGroupBy(), null);
writer.writeText(ac.getItemLabel(), null);
}
else {
writer.writeAttribute("data-item-label", item, null);
writer.writeAttribute("data-item-value", item, null);
writer.writeText(item, null);
}
writer.endElement("li");
if(itemtip != null && itemtip.isRendered()) {
writer.startElement("li", null);
writer.writeAttribute("class", AutoComplete.ITEMTIP_CONTENT_CLASS, null);
itemtip.encodeAll(context);
writer.endElement("li");
}
}
writer.endElement("ul");
if(pojo) {
requestMap.remove(var);
}
}
protected void encodeScript(FacesContext context, AutoComplete ac) throws IOException {
String clientId = ac.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("AutoComplete", ac.resolveWidgetVar(), clientId);
if (context.isProjectStage(ProjectStage.Development)) {
if (ac.getAttributes().containsKey("process")
|| ac.getAttributes().containsKey("global")
|| ac.getAttributes().containsKey("onstart")
|| ac.getAttributes().containsKey("oncomplete")) {
LOG.warning("The process/global/onstart/oncomplete attribute of AutoComplete was removed. Please use p:ajax with the query event now");
}
}
wb.attr("minLength", ac.getMinQueryLength(), 1)
.attr("delay", ac.getQueryDelay())
.attr("deletionDelay", ac.getQueryDeletionDelay())
.attr("forceSelection", ac.isForceSelection(), false)
.attr("scrollHeight", ac.getScrollHeight(), Integer.MAX_VALUE)
.attr("multiple", ac.isMultiple(), false)
.attr("appendTo", SearchExpressionFacade.resolveComponentForClient(context, ac, ac.getAppendTo()), null)
.attr("grouping", ac.getValueExpression("groupBy") != null, false);
if(ac.isCache()) {
wb.attr("cache", true).attr("cacheTimeout", ac.getCacheTimeout());
}
String effect = ac.getEffect();
if(effect != null) {
wb.attr("effect", effect, null)
.attr("effectDuration", ac.getEffectDuration(), Integer.MAX_VALUE);
}
wb.attr("emptyMessage", ac.getEmptyMessage(), null)
.attr("resultsMesage", ac.getResultsMessage(), null);
if(ac.getFacet("itemtip") != null) {
wb.attr("itemtip", true, false)
.attr("itemtipMyPosition", ac.getItemtipMyPosition(), null)
.attr("itemtipAtPosition", ac.getItemtipAtPosition(), null);
}
encodeClientBehaviors(context, ac);
wb.finish();
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
if(submittedValue == null || submittedValue.equals("")) {
return null;
}
AutoComplete ac = (AutoComplete) component;
Converter converter = ComponentUtils.getConverter(context, component);
if(ac.isMultiple()) {
String[] values = (String[]) submittedValue;
List list = new ArrayList();
for(String value : values) {
if(isValueBlank(value)) {
continue;
}
Object convertedValue = converter != null ? converter.getAsObject(context, ac, value) : value;
if(convertedValue != null) {
list.add(convertedValue);
}
}
return list;
}
else {
if(converter != null)
return converter.getAsObject(context, component, (String) submittedValue);
else
return submittedValue;
}
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Rendering happens on encodeEnd
}
@Override
public boolean getRendersChildren() {
return true;
}
}