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org.primefaces.component.galleria.GalleriaRenderer Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.galleria;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UIPanel;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.IterationStatus;
import org.primefaces.model.ResponsiveOption;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class GalleriaRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Galleria galleria = (Galleria) component;
encodeMarkup(context, galleria);
encodeScript(context, galleria);
}
public void encodeMarkup(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Galleria galleria = (Galleria) component;
String style = galleria.getStyle();
String styleClass = galleria.getStyleClass();
styleClass = (styleClass == null) ? Galleria.CONTAINER_CLASS : Galleria.CONTAINER_CLASS + " " + styleClass;
writer.startElement("div", component);
writer.writeAttribute("id", galleria.getClientId(context), "id");
writer.writeAttribute("tabindex", galleria.getTabindex(), null);
writer.writeAttribute("class", styleClass, "styleClass");
if (style != null) {
writer.writeAttribute("style", style, "style");
}
encodeHeader(context, galleria);
encodeContent(context, galleria);
encodeFooter(context, galleria);
writer.endElement("div");
}
protected void encodeHeader(FacesContext context, Galleria galleria) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent facet = galleria.getFacet("header");
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(facet);
if (shouldRenderFacet) {
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.HEADER_CLASS, null);
facet.encodeAll(context);
writer.endElement("div");
}
}
public void encodeContent(FacesContext context, Galleria galleria) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.CONTENT_CLASS, null);
encodeItems(context, galleria);
encodeCaptions(context, galleria);
encodeIndicators(context, galleria);
encodeThumbnails(context, galleria);
writer.endElement("div");
}
protected void encodeFooter(FacesContext context, Galleria galleria) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent facet = galleria.getFacet("footer");
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(facet);
if (shouldRenderFacet) {
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.FOOTER_CLASS, null);
facet.encodeAll(context);
writer.endElement("div");
}
}
public void encodeItems(FacesContext context, Galleria galleria) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("ul", null);
writer.writeAttribute("class", Galleria.ITEMS_CLASS, null);
if (galleria.isRepeating()) {
Map requestMap = context.getExternalContext().getRequestMap();
int rowCount = galleria.getRowCount();
String varStatus = galleria.getVarStatus();
Object varStatusBackup = varStatus == null ? null : requestMap.get(varStatus);
for (int i = 0; i < rowCount; i++) {
galleria.setIndex(i);
IterationStatus status = new IterationStatus((i == 0), (i == (rowCount - 1)), i, i, 0, rowCount - 1, 1);
if (varStatus != null) {
requestMap.put(varStatus, status);
}
writer.startElement("li", null);
writer.writeAttribute("class", Galleria.ITEM_CLASS, null);
renderChildren(context, galleria);
writer.endElement("li");
}
galleria.setIndex(-1);
if (varStatus != null) {
if (varStatusBackup == null) {
requestMap.remove(varStatus);
}
else {
requestMap.put(varStatus, varStatusBackup);
}
}
}
else {
for (UIComponent kid : galleria.getChildren()) {
if (kid.isRendered()) {
writer.startElement("li", null);
writer.writeAttribute("class", Galleria.ITEM_CLASS, null);
renderChild(context, kid);
writer.endElement("li");
}
}
}
writer.endElement("ul");
}
public void encodeCaptions(FacesContext context, Galleria galleria) throws IOException {
UIComponent facet = galleria.getFacet("caption");
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(facet);
if (galleria.isShowCaption() && shouldRenderFacet) {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("ul", null);
writer.writeAttribute("class", Galleria.CAPTION_ITEMS_CLASS, null);
writer.writeAttribute("style", "display: none", null); // default to hidden
if (galleria.isRepeating()) {
for (int i = 0; i < galleria.getRowCount(); i++) {
galleria.setIndex(i);
encodeCaption(context, galleria, galleria.getFacet("caption"), true);
}
galleria.setIndex(-1);
}
else {
if (facet instanceof UIPanel) {
for (UIComponent kid : facet.getChildren()) {
if (kid.isRendered()) {
encodeCaption(context, galleria, kid, false);
}
}
}
else {
encodeCaption(context, galleria, facet, false);
}
}
writer.endElement("ul");
}
}
public void encodeCaption(FacesContext context, Galleria galleria, UIComponent child, boolean hasVar) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("li", null);
writer.writeAttribute("class", Galleria.CAPTION_ITEM_CLASS, null);
if (hasVar) {
child.encodeAll(context);
}
else {
renderChild(context, child);
}
writer.endElement("li");
}
public void encodeIndicators(FacesContext context, Galleria galleria) throws IOException {
UIComponent facet = galleria.getFacet("indicator");
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(facet);
if (galleria.isShowIndicators() && shouldRenderFacet) {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("ul", null);
writer.writeAttribute("class", Galleria.INDICATORS_CLASS, null);
if (galleria.isRepeating()) {
Map requestMap = context.getExternalContext().getRequestMap();
int rowCount = galleria.getRowCount();
String varStatus = galleria.getVarStatus();
Object varStatusBackup = varStatus == null ? null : requestMap.get(varStatus);
for (int i = 0; i < rowCount; i++) {
galleria.setIndex(i);
IterationStatus status = new IterationStatus((i == 0), (i == (rowCount - 1)), i, i, 0, rowCount - 1, 1);
if (varStatus != null) {
requestMap.put(varStatus, status);
}
encodeIndicator(context, galleria, galleria.getFacet("indicator"), true);
}
galleria.setIndex(-1);
if (varStatus != null) {
if (varStatusBackup == null) {
requestMap.remove(varStatus);
}
else {
requestMap.put(varStatus, varStatusBackup);
}
}
}
else {
if (facet instanceof UIPanel) {
for (UIComponent kid : facet.getChildren()) {
if (kid.isRendered()) {
encodeIndicator(context, galleria, kid, false);
}
}
}
else {
encodeIndicator(context, galleria, facet, false);
}
}
writer.endElement("ul");
}
}
public void encodeIndicator(FacesContext context, Galleria galleria, UIComponent child, boolean hasVar) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("li", null);
writer.writeAttribute("class", Galleria.INDICATOR_CLASS, null);
if (hasVar) {
child.encodeAll(context);
}
else {
renderChild(context, child);
}
writer.endElement("li");
}
public void encodeThumbnails(FacesContext context, Galleria galleria) throws IOException {
UIComponent facet = galleria.getFacet("thumbnail");
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(facet);
if (galleria.isShowThumbnails() && shouldRenderFacet) {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.THUMBNAIL_ITEMS_CLASS, null);
if (galleria.isRepeating()) {
for (int i = 0; i < galleria.getRowCount(); i++) {
galleria.setIndex(i);
encodeThumbnail(context, galleria, galleria.getFacet("thumbnail"), true);
}
galleria.setIndex(-1);
}
else {
if (facet instanceof UIPanel) {
for (UIComponent kid : facet.getChildren()) {
if (kid.isRendered()) {
encodeThumbnail(context, galleria, kid, false);
}
}
}
else {
encodeThumbnail(context, galleria, facet, false);
}
}
writer.endElement("div");
}
}
public void encodeThumbnail(FacesContext context, Galleria galleria, UIComponent child, boolean hasVar) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.THUMBNAIL_ITEM_CLASS, null);
writer.startElement("div", null);
writer.writeAttribute("class", Galleria.THUMBNAIL_ITEM_CONTENT_CLASS, null);
if (hasVar) {
child.encodeAll(context);
}
else {
renderChild(context, child);
}
writer.endElement("div");
writer.endElement("div");
}
public void encodeScript(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Galleria galleria = (Galleria) component;
WidgetBuilder wb = getWidgetBuilder(context);
List responsiveOptions = galleria.getResponsiveOptions();
wb.init("Galleria", galleria);
wb.attr("activeIndex", galleria.getActiveIndex(), 0)
.attr("fullScreen", galleria.isFullScreen(), false)
.attr("closeIcon", galleria.getCloseIcon(), null)
.attr("numVisible", galleria.getNumVisible(), 3)
.attr("showThumbnails", galleria.isShowThumbnails(), true)
.attr("showIndicators", galleria.isShowIndicators(), false)
.attr("showIndicatorsOnItem", galleria.isShowIndicatorsOnItem(), false)
.attr("showCaption", galleria.isShowCaption(), false)
.attr("showItemNavigators", galleria.isShowItemNavigators(), false)
.attr("showThumbnailNavigators", galleria.isShowThumbnailNavigators(), true)
.attr("showItemNavigatorsOnHover", galleria.isShowItemNavigatorsOnHover(), false)
.attr("changeItemOnIndicatorHover", galleria.isChangeItemOnIndicatorHover(), false)
.attr("circular", galleria.isCircular(), false)
.attr("autoPlay", galleria.isAutoPlay(), false)
.attr("transitionInterval", galleria.getTransitionInterval(), 4000)
.attr("thumbnailsPosition", galleria.getThumbnailsPosition(), "bottom")
.attr("verticalViewPortHeight", galleria.getVerticalViewPortHeight(), "450px")
.attr("indicatorsPosition", galleria.getIndicatorsPosition(), "bottom");
if (responsiveOptions != null) {
writer.write(",responsiveOptions:[");
for (Iterator it = responsiveOptions.iterator(); it.hasNext();) {
it.next().encode(writer);
if (it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
}
wb.finish();
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}
