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org.primefaces.component.picklist.PickListRenderer 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.picklist;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
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 org.primefaces.component.column.Column;
import org.primefaces.model.DualListModel;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.renderkit.RendererUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class PickListRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
PickList pickList = (PickList) component;
String clientId = pickList.getClientId(context);
Map params = context.getExternalContext().getRequestParameterValuesMap();
String sourceParamKey = clientId + "_source";
String targetParamKey = clientId + "_target";
String[] sourceParam = params.containsKey(sourceParamKey) ? params.get(sourceParamKey) : new String[]{};
String[] targetParam = params.containsKey(targetParamKey) ? params.get(targetParamKey) : new String[]{};
pickList.setSubmittedValue(new String[][]{sourceParam, targetParam});
decodeBehaviors(context, pickList);
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
PickList pickList = (PickList) component;
encodeMarkup(facesContext, pickList);
encodeScript(facesContext, pickList);
}
protected void encodeMarkup(FacesContext context, PickList pickList) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = pickList.getClientId(context);
DualListModel model = (DualListModel) pickList.getValue();
String styleClass = pickList.getStyleClass();
styleClass = styleClass == null ? PickList.CONTAINER_CLASS : PickList.CONTAINER_CLASS + " " + styleClass;
String labelDisplay = pickList.getLabelDisplay();
boolean vertical = pickList.getOrientation().equals("vertical");
if(vertical) {
styleClass += " ui-picklist-vertical";
}
if(pickList.isResponsive()) {
styleClass += " ui-picklist-responsive";
}
writer.startElement("div", pickList);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, null);
if(pickList.getStyle() != null) {
writer.writeAttribute("style", pickList.getStyle(), null);
}
//Target List Reorder Buttons
if(pickList.isShowSourceControls()) {
encodeListControls(context, pickList, PickList.SOURCE_CONTROLS, labelDisplay);
}
//Source List
encodeList(context, pickList, clientId + "_source", PickList.SOURCE_CLASS, model.getSource(), pickList.getFacet("sourceCaption"), pickList.isShowSourceFilter());
//Buttons
writer.startElement("div", null);
writer.writeAttribute("class", PickList.BUTTONS_CLASS, null);
writer.startElement("div", null);
writer.writeAttribute("class", PickList.BUTTONS_CELL_CLASS, null);
if(vertical) {
encodeButton(context, pickList.getAddLabel(), PickList.ADD_BUTTON_CLASS, PickList.VERTICAL_ADD_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getAddAllLabel(), PickList.ADD_ALL_BUTTON_CLASS, PickList.VERTICAL_ADD_ALL_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getRemoveLabel(), PickList.REMOVE_BUTTON_CLASS, PickList.VERTICAL_REMOVE_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getRemoveAllLabel(), PickList.REMOVE_ALL_BUTTON_CLASS, PickList.VERTICAL_REMOVE_ALL_BUTTON_ICON_CLASS, labelDisplay);
}
else {
encodeButton(context, pickList.getAddLabel(), PickList.ADD_BUTTON_CLASS, PickList.ADD_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getAddAllLabel(), PickList.ADD_ALL_BUTTON_CLASS, PickList.ADD_ALL_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getRemoveLabel(), PickList.REMOVE_BUTTON_CLASS, PickList.REMOVE_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getRemoveAllLabel(), PickList.REMOVE_ALL_BUTTON_CLASS, PickList.REMOVE_ALL_BUTTON_ICON_CLASS, labelDisplay);
}
writer.endElement("div");
writer.endElement("div");
//Target List
encodeList(context, pickList, clientId + "_target", PickList.TARGET_CLASS, model.getTarget(), pickList.getFacet("targetCaption"), pickList.isShowTargetFilter());
//Target List Reorder Buttons
if(pickList.isShowTargetControls()) {
encodeListControls(context, pickList, PickList.TARGET_CONTROLS, labelDisplay);
}
/* For ScreenReader */
encodeAriaRegion(context, clientId);
writer.endElement("div");
}
protected void encodeScript(FacesContext context, PickList pickList) throws IOException {
String clientId = pickList.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("PickList", pickList.resolveWidgetVar(), clientId)
.attr("effect", pickList.getEffect())
.attr("effectSpeed", pickList.getEffectSpeed())
.attr("showSourceControls", pickList.isShowSourceControls(), false)
.attr("showTargetControls", pickList.isShowTargetControls(), false)
.attr("disabled", pickList.isDisabled(), false)
.attr("filterMatchMode", pickList.getFilterMatchMode(), null)
.nativeAttr("filterFunction", pickList.getFilterFunction(), null)
.attr("showCheckbox", pickList.isShowCheckbox(), false)
.callback("onTransfer", "function(e)", pickList.getOnTransfer());
encodeClientBehaviors(context, pickList);
wb.finish();
}
protected void encodeListControls(FacesContext context, PickList pickList, String styleClass, String labelDisplay) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", styleClass, null);
writer.startElement("div", null);
writer.writeAttribute("class", PickList.BUTTONS_CELL_CLASS, null);
encodeButton(context, pickList.getMoveUpLabel(), PickList.MOVE_UP_BUTTON_CLASS, PickList.MOVE_UP_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getMoveTopLabel(), PickList.MOVE_TOP_BUTTON_CLASS, PickList.MOVE_TOP_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getMoveDownLabel(), PickList.MOVE_DOWN_BUTTON_CLASS, PickList.MOVE_DOWN_BUTTON_ICON_CLASS, labelDisplay);
encodeButton(context, pickList.getMoveBottomLabel(), PickList.MOVE_BOTTOM_BUTTON_CLASS, PickList.MOVE_BOTTOM_BUTTON_ICON_CLASS, labelDisplay);
writer.endElement("div");
writer.endElement("div");
}
protected void encodeCaption(FacesContext context, UIComponent caption) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", PickList.CAPTION_CLASS, null);
caption.encodeAll(context);
writer.endElement("div");
}
protected void encodeButton(FacesContext context, String title, String styleClass, String icon, String labelDisplay) throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean tooltip = labelDisplay.equals("tooltip");
String buttonClass = tooltip ? HTML.BUTTON_ICON_ONLY_BUTTON_CLASS: HTML.BUTTON_TEXT_ICON_LEFT_BUTTON_CLASS;
writer.startElement("button", null);
writer.writeAttribute("type", "button", null);
writer.writeAttribute("class", buttonClass + " " + styleClass, null);
if(tooltip) {
writer.writeAttribute("title", title, null);
}
//icon
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_LEFT_ICON_CLASS + " " + icon, null);
writer.endElement("span");
//text
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
if(tooltip) {
writer.write(title);
} else {
writer.writeText(title, null);
}
writer.endElement("span");
writer.endElement("button");
}
protected void encodeList(FacesContext context, PickList pickList, String listId, String styleClass, List model, UIComponent caption, boolean filter) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", PickList.LIST_WRAPPER_CLASS, null);
if(filter) {
encodeFilter(context, pickList, listId + "_filter");
}
if(caption != null) {
encodeCaption(context, caption);
styleClass += " ui-corner-bottom";
}
else {
styleClass += " ui-corner-all";
}
writer.startElement("ul", null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("tabindex", "0", null);
writer.writeAttribute("role", "menu", null);
encodeOptions(context, pickList, model);
writer.endElement("ul");
encodeListInput(context, listId);
writer.endElement("div");
}
protected void encodeListInput(FacesContext context, String clientId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("select", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("name", clientId, null);
writer.writeAttribute("multiple", "true", null);
writer.writeAttribute("class", "ui-helper-hidden", null);
//items generated on client side
writer.endElement("select");
}
@SuppressWarnings("unchecked")
protected void encodeOptions(FacesContext context, PickList pickList, List model) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String var = pickList.getVar();
Converter converter = pickList.getConverter();
boolean showCheckbox = pickList.isShowCheckbox();
for(Iterator it = model.iterator(); it.hasNext();) {
Object item = it.next();
context.getExternalContext().getRequestMap().put(var, item);
String itemValue = converter != null ? converter.getAsString(context, pickList, pickList.getItemValue()) : pickList.getItemValue().toString();
String itemLabel = pickList.getItemLabel();
String itemClass = pickList.isItemDisabled() ? PickList.ITEM_CLASS + " " + PickList.ITEM_DISABLED_CLASS : PickList.ITEM_CLASS;
writer.startElement("li", null);
writer.writeAttribute("class", itemClass, null);
writer.writeAttribute("data-item-value", itemValue, null);
writer.writeAttribute("data-item-label", itemLabel, null);
writer.writeAttribute("role", "menuitem", null);
if(pickList.getChildCount() > 0) {
writer.startElement("table", null);
writer.startElement("tbody", null);
writer.startElement("tr", null);
if(showCheckbox) {
writer.startElement("td", null);
RendererUtils.encodeCheckbox(context, false);
writer.endElement("td");
}
for(UIComponent kid : pickList.getChildren()) {
if(kid instanceof Column && kid.isRendered()) {
Column column = (Column) kid;
writer.startElement("td", null);
if(column.getStyle() != null) writer.writeAttribute("style", column.getStyle(), null);
if(column.getStyleClass() != null) writer.writeAttribute("class", column.getStyleClass(), null);
renderChildren(context, column);
writer.endElement("td");
}
}
writer.endElement("tr");
writer.endElement("tbody");
writer.endElement("table");
}
else {
if(showCheckbox) {
RendererUtils.encodeCheckbox(context, false);
}
writer.writeText(itemLabel, null);
}
writer.endElement("li");
}
context.getExternalContext().getRequestMap().remove(var);
}
@Override
@SuppressWarnings("unchecked")
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
try {
PickList pickList = (PickList) component;
String[][] value = (String[][]) submittedValue;
String[] sourceValue = value[0];
String[] targetValue = value[1];
DualListModel model = new DualListModel();
pickList.populateModel(context, sourceValue, model.getSource());
pickList.populateModel(context, targetValue, model.getTarget());
return model;
}
catch(Exception exception) {
throw new ConverterException(exception);
}
}
protected void encodeFilter(FacesContext context, PickList pickList, String name) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", PickList.FILTER_CONTAINER, null);
writer.startElement("input", null);
writer.writeAttribute("id", name, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("class", PickList.FILTER_CLASS, null);
writer.endElement("input");
writer.startElement("span", null);
writer.writeAttribute("class", "ui-icon ui-icon-search", null);
writer.endElement("span");
writer.endElement("div");
}
protected void encodeAriaRegion(FacesContext context, String clientId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_ariaRegion", null);
writer.writeAttribute("class", "ui-helper-hidden-accessible", null);
writer.writeAttribute("role", "region", null);
writer.writeAttribute("aria-live", "polite", null);
writer.writeAttribute("aria-atomic", "true", null);
writer.endElement("div");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Rendering happens on encodeEnd
}
@Override
public boolean getRendersChildren() {
return true;
}
}
