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PrimeFaces Extensions components and utilities for PrimeFaces.
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/*
* Copyright (c) 2011-2024 PrimeFaces Extensions
*
* 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.extensions.component.fluidgrid;
import java.util.*;
import javax.faces.FacesException;
import javax.faces.application.ResourceDependency;
import javax.faces.component.ContextCallback;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.context.FacesContext;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.FacesEvent;
import javax.faces.event.PhaseId;
import org.primefaces.component.api.Widget;
import org.primefaces.extensions.component.base.AbstractDynamicData;
import org.primefaces.extensions.event.LayoutCompleteEvent;
import org.primefaces.extensions.model.common.KeyData;
import org.primefaces.extensions.model.fluidgrid.FluidGridItem;
import org.primefaces.util.Constants;
/**
* FluidGrid component.
*
* @author Oleg Varaksin / last modified by Melloware
* @since 1.1.0
*/
@ResourceDependency(library = "primefaces", name = "jquery/jquery.js")
@ResourceDependency(library = "primefaces", name = "jquery/jquery-plugins.js")
@ResourceDependency(library = "primefaces", name = "core.js")
@ResourceDependency(library = "primefaces-extensions", name = "primefaces-extensions.js")
@ResourceDependency(library = "primefaces-extensions", name = "fluidgrid/fluidgrid.css")
@ResourceDependency(library = "primefaces-extensions", name = "fluidgrid/fluidgrid.js")
public class FluidGrid extends AbstractDynamicData implements Widget, ClientBehaviorHolder {
public static final String COMPONENT_TYPE = "org.primefaces.extensions.component.FluidGrid";
public static final String COMPONENT_FAMILY = "org.primefaces.extensions.component";
public static final String DEFAULT_RENDERER = "org.primefaces.extensions.component.FluidGridRenderer";
private static final Collection EVENT_NAMES = Collections
.unmodifiableCollection(Arrays.asList("layoutComplete"));
private Map items;
/**
* Properties that are tracked by state saving.
*
* @author Oleg Varaksin / last modified by Melloware
*/
@SuppressWarnings("java:S115")
protected enum PropertyKeys {
// @formatter:off
widgetVar,
style,
styleClass,
hGutter,
vGutter,
fitWidth,
originLeft,
originTop,
resizeBound,
stamp,
transitionDuration,
hasImages
// @formatter:on
}
public FluidGrid() {
setRendererType(DEFAULT_RENDERER);
}
@Override
public String getFamily() {
return COMPONENT_FAMILY;
}
public String getWidgetVar() {
return (String) getStateHelper().eval(PropertyKeys.widgetVar, null);
}
public void setWidgetVar(final String widgetVar) {
getStateHelper().put(PropertyKeys.widgetVar, widgetVar);
}
public String getStyle() {
return (String) getStateHelper().eval(PropertyKeys.style, null);
}
public void setStyle(final String style) {
getStateHelper().put(PropertyKeys.style, style);
}
public String getStyleClass() {
return (String) getStateHelper().eval(PropertyKeys.styleClass, null);
}
public void setStyleClass(final String styleClass) {
getStateHelper().put(PropertyKeys.styleClass, styleClass);
}
public int gethGutter() {
return (Integer) getStateHelper().eval(PropertyKeys.hGutter, 0);
}
public void sethGutter(final int hGutter) {
getStateHelper().put(PropertyKeys.hGutter, hGutter);
}
public int getvGutter() {
return (Integer) getStateHelper().eval(PropertyKeys.vGutter, 0);
}
public void setvGutter(final int vGutter) {
getStateHelper().put(PropertyKeys.vGutter, vGutter);
}
public boolean isFitWidth() {
return (Boolean) getStateHelper().eval(PropertyKeys.fitWidth, false);
}
public void setFitWidth(final boolean fitWidth) {
getStateHelper().put(PropertyKeys.fitWidth, fitWidth);
}
public boolean isOriginLeft() {
return (Boolean) getStateHelper().eval(PropertyKeys.originLeft, true);
}
public void setOriginLeft(final boolean originLeft) {
getStateHelper().put(PropertyKeys.originLeft, originLeft);
}
public boolean isOriginTop() {
return (Boolean) getStateHelper().eval(PropertyKeys.originTop, true);
}
public void setOriginTop(final boolean originTop) {
getStateHelper().put(PropertyKeys.originTop, originTop);
}
public boolean isResizeBound() {
return (Boolean) getStateHelper().eval(PropertyKeys.resizeBound, true);
}
public void setResizeBound(final boolean resizeBound) {
getStateHelper().put(PropertyKeys.resizeBound, resizeBound);
}
public String getStamp() {
return (String) getStateHelper().eval(PropertyKeys.stamp, null);
}
public void setStamp(final String stamp) {
getStateHelper().put(PropertyKeys.stamp, stamp);
}
public String getTransitionDuration() {
return (String) getStateHelper().eval(PropertyKeys.transitionDuration, "0.4s");
}
public void setTransitionDuration(final String transitionDuration) {
getStateHelper().put(PropertyKeys.transitionDuration, transitionDuration);
}
public boolean isHasImages() {
return (Boolean) getStateHelper().eval(PropertyKeys.hasImages, false);
}
public void setHasImages(final boolean hasImages) {
getStateHelper().put(PropertyKeys.hasImages, hasImages);
}
@Override
public Collection getEventNames() {
return EVENT_NAMES;
}
@Override
public void queueEvent(final FacesEvent event) {
final FacesContext context = FacesContext.getCurrentInstance();
final Map params = context.getExternalContext().getRequestParameterMap();
final String eventName = params.get(Constants.RequestParams.PARTIAL_BEHAVIOR_EVENT_PARAM);
if ("layoutComplete".equals(eventName)) {
if (event instanceof AjaxBehaviorEvent && isSelfRequest(context)) {
final LayoutCompleteEvent layoutCompleteEvent = new LayoutCompleteEvent(this,
((AjaxBehaviorEvent) event).getBehavior());
layoutCompleteEvent.setPhaseId(event.getPhaseId());
super.queueEvent(layoutCompleteEvent);
}
}
else {
super.queueEvent(event);
}
}
private boolean isSelfRequest(final FacesContext context) {
return getClientId(context).equals(
context.getExternalContext().getRequestParameterMap().get(Constants.RequestParams.PARTIAL_SOURCE_PARAM));
}
public UIFluidGridItem getItem(final String type) {
final UIFluidGridItem item = getItems().get(type);
if (item == null) {
throw new FacesException("UIFluidGridItem to type " + type + " was not found");
}
else {
return item;
}
}
protected Map getItems() {
if (items == null) {
items = new HashMap<>();
for (final UIComponent child : getChildren()) {
if (child instanceof UIFluidGridItem) {
final UIFluidGridItem fluidGridItem = (UIFluidGridItem) child;
items.put(fluidGridItem.getType(), fluidGridItem);
}
}
}
return items;
}
protected static void checkModelInstance(Object value) {
if (!(value instanceof Collection)) {
throw new FacesException("Value in FluidGrid must be of type Collection / List");
}
}
@Override
protected KeyData findData(final String key) {
final Object value = getValue();
if (value == null) {
return null;
}
checkModelInstance(value);
final Collection col = (Collection) value;
for (final FluidGridItem fluidGridItem : col) {
if (key.equals(fluidGridItem.getKey())) {
return fluidGridItem;
}
}
return null;
}
@Override
protected void processChildren(final FacesContext context, final PhaseId phaseId) {
if (context.getExternalContext().getRequestParameterMap()
.containsKey(getClientId(context) + "_layoutComplete")) {
// don't decode, validate, update children if the processing was
// triggered by the "layoutComplete" event
return;
}
if (getVar() != null) {
// dynamic items
final Object value = getValue();
if (value != null) {
checkModelInstance(value);
final Collection col = (Collection) value;
for (final FluidGridItem fluidGridItem : col) {
processFluidGridDynamicItems(context, phaseId, fluidGridItem);
}
}
resetData();
}
else {
// static items
processFluidGridStaticItems(context, phaseId);
}
}
@Override
protected boolean visitChildren(final VisitContext context, final VisitCallback callback) {
if (getVar() != null) {
// dynamic items
final Object value = getValue();
if (value == null) {
return false;
}
checkModelInstance(value);
final Collection col = (Collection) value;
for (final FluidGridItem fluidGridItem : col) {
if (visitFluidGridDynamicItems(context, callback, fluidGridItem)) {
return true;
}
}
resetData();
}
else {
// static items
if (visitFluidGridStaticItems(context, callback)) {
return true;
}
}
return false;
}
@Override
protected boolean invokeOnChildren(final FacesContext context, final String clientId, final ContextCallback callback) {
final Object value = getValue();
if (value == null) {
return false;
}
checkModelInstance(value);
if (getChildCount() > 0) {
// extract the fluidGridItem key from the clientId
// it's simliar to rowKey in UIData
String key = clientId.substring(getClientId().length() + 1);
key = key.substring(0, key.indexOf(UINamingContainer.getSeparatorChar(context)));
final Collection fluidGridItems = (Collection) value;
for (final FluidGridItem fluidGridItem : fluidGridItems) {
// determine associated FluidGridItem
if (fluidGridItem.getKey().equals(key)) {
// get UI control for FluidGridItem
UIFluidGridItem uiFluidGridItem = null;
if (getVar() == null) {
for (final UIComponent child : getChildren()) {
if (child instanceof UIFluidGridItem && ((UIFluidGridItem) child).getType().equals(fluidGridItem.getType())) {
uiFluidGridItem = (UIFluidGridItem) child;
}
}
}
else {
uiFluidGridItem = (UIFluidGridItem) getChildren().get(0);
}
if (uiFluidGridItem == null) {
continue;
}
try {
// push the associated data before visiting the child components
setData(fluidGridItem);
// visit childs
if (uiFluidGridItem.invokeOnComponent(context, clientId, callback)) {
return true;
}
}
finally {
resetData();
}
}
}
}
return false;
}
private void processFluidGridDynamicItems(final FacesContext context, final PhaseId phaseId,
final FluidGridItem fluidGridItem) {
for (final UIComponent kid : getChildren()) {
if (!(kid instanceof UIFluidGridItem) || !kid.isRendered()
|| !((UIFluidGridItem) kid).getType().equals(fluidGridItem.getType())) {
continue;
}
for (final UIComponent grandkid : kid.getChildren()) {
if (!grandkid.isRendered()) {
continue;
}
setData(fluidGridItem);
if (getData() == null) {
return;
}
if (phaseId == PhaseId.APPLY_REQUEST_VALUES) {
grandkid.processDecodes(context);
}
else if (phaseId == PhaseId.PROCESS_VALIDATIONS) {
grandkid.processValidators(context);
}
else if (phaseId == PhaseId.UPDATE_MODEL_VALUES) {
grandkid.processUpdates(context);
}
else {
throw new IllegalArgumentException();
}
}
}
}
private void processFluidGridStaticItems(final FacesContext context, final PhaseId phaseId) {
for (final UIComponent kid : getChildren()) {
if (!(kid instanceof UIFluidGridItem) || !kid.isRendered()) {
continue;
}
for (final UIComponent grandkid : kid.getChildren()) {
if (!grandkid.isRendered()) {
continue;
}
if (phaseId == PhaseId.APPLY_REQUEST_VALUES) {
grandkid.processDecodes(context);
}
else if (phaseId == PhaseId.PROCESS_VALIDATIONS) {
grandkid.processValidators(context);
}
else if (phaseId == PhaseId.UPDATE_MODEL_VALUES) {
grandkid.processUpdates(context);
}
else {
throw new IllegalArgumentException();
}
}
}
}
private boolean visitFluidGridDynamicItems(final VisitContext context, final VisitCallback callback,
final FluidGridItem fluidGridItem) {
if (getChildCount() > 0) {
for (final UIComponent child : getChildren()) {
if (child instanceof UIFluidGridItem
&& ((UIFluidGridItem) child).getType().equals(fluidGridItem.getType())) {
setData(fluidGridItem);
if (getData() == null) {
return false;
}
if (child.visitTree(context, callback)) {
return true;
}
}
}
}
return false;
}
private boolean visitFluidGridStaticItems(final VisitContext context, final VisitCallback callback) {
if (getChildCount() > 0) {
for (final UIComponent child : getChildren()) {
if (child instanceof UIFluidGridItem && child.visitTree(context, callback)) {
return true;
}
}
}
return false;
}
@Override
public Object saveState(FacesContext context) {
// reset component for MyFaces view pooling
items = null;
return super.saveState(context);
}
}