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  /*
   * JBoss, Home of Professional Open Source
   * Copyright ${year}, Red Hat, Inc. and individual contributors
   * by the @authors tag. See the copyright.txt in the distribution for a
   * full listing of individual contributors.
   *
   * This is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as
   * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
 package org.richfaces.component;
 
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 import  javax.faces.component.UIComponent;
 import  javax.faces.component.visit.VisitCallback;
 import  javax.faces.component.visit.VisitContext;
 import  javax.faces.component.visit.VisitResult;
 import  javax.faces.context.FacesContext;
 import  javax.faces.event.FacesEvent;
 import  javax.faces.event.PhaseId;
 import  javax.faces.event.PreRenderComponentEvent;
 
 import  com.google.common.base.Predicate;
 import  com.google.common.collect.Iterators;
 import  org.ajax4jsf.model.DataVisitor;
 import  org.ajax4jsf.model.ExtendedDataModel;
 import  org.ajax4jsf.model.Range;
 import  org.richfaces.context.ExtendedVisitContext;
 import  org.richfaces.context.ExtendedVisitContextMode;
 import  org.richfaces.event.FilteringEvent;
 import  org.richfaces.event.FilteringListener;
 import  org.richfaces.event.SortingEvent;
 import  org.richfaces.event.SortingListener;
 import  org.richfaces.log.Logger;
 import  org.richfaces.log.RichfacesLogger;
 import  org.richfaces.model.Arrangeable;
 import  org.richfaces.model.ArrangeableState;
 import  org.richfaces.model.FilterField;
 import  org.richfaces.model.SortField;
 import  org.richfaces.model.SortMode;
 import  org.richfaces.renderkit.MetaComponentRenderer;
 
 public abstract class UIDataTableBase extends UISequence implements Row, MetaComponentResolver, MetaComponentEncoder {
     public static final String COMPONENT_FAMILY = "org.richfaces.Data";
     public static final String HEADER_FACET_NAME = "header";
     public static final String FOOTER_FACET_NAME = "footer";
     public static final String NODATA_FACET_NAME = "noData";
     public static final String HEADER = "header";
     public static final String FOOTER = "footer";
     public static final String BODY = "body";
     private static final Logger RENDERKIT_LOG = RichfacesLogger.RENDERKIT.getLogger();
     private static final Set<StringSUPPORTED_META_COMPONENTS = new HashSet<String>();
     private static Predicate<UIComponent> isRow = new Predicate<UIComponent>() {
         @Override
         public boolean apply(@Nullable UIComponent child) {
             return child instanceof Row;
         }
     };
 
 
     static {
     }
 
     protected enum PropertyKeys {
         filterVar, sortPriority, sortMode, first, rows, noDataLabel, selection, header
     }

    
The header of the table
 
    @Facet
    public abstract UIComponent getHeader();

    
The footer of the table
    @Facet
    public abstract UIComponent getFooter();

    
The content to be displayed when table contains no rows (no data provided).
    @Facet
    public abstract UIComponent getNoData();

    
The label to be displayed when table contains no rows (no data provided).
    @Attribute
    public abstract String getNoDataLabel();

    
Name of the variable used in EL expression provided in filterExpression in order to decide about displaying particular row.
    @Attribute
    public abstract String getFilterVar();

    
Assigns one or more space-separated CSS class names to the table cells
    @Attribute
    public abstract String getRowClass();

    
Assigns one or more space-separated CSS class names to the table header
    @Attribute
    public abstract String getHeaderClass();

    
Assigns one or more space-separated CSS class names to the table footer
    @Attribute
    public abstract String getFooterClass();

    
Assigns one or more space-separated CSS class names to the columns of the table. If the CSS class names are comma-separated, each class will be assigned to a particular column in the order they follow in the attribute. If you have less class names than columns, the class will be applied to every n-fold column where n is the order in which the class is listed in the attribute. If there are more class names than columns, the overflow ones are ignored.
    @Attribute
    public abstract String getColumnClasses();

    
Assigns one or more space-separated CSS class names to the rows of the table. If the CSS class names are comma-separated, each class will be assigned to a particular row in the order they follow in the attribute. If you have less class names than rows, the class will be applied to every n-fold row where n is the order in which the class is listed in the attribute. If there are more class names than rows, the overflow ones are ignored.
    @Attribute
    public abstract String getRowClasses();
    @Attribute
    public abstract String getStyle();

    
Comma-separated list of column names determining priority of row sorting.
    @Attribute
    public abstract Collection<ObjectgetSortPriority();

    
Specifies when table will be sorted according to one column (single) or multiple columns (multi).
    @Attribute
    public abstract SortMode getSortMode();
    @Attribute(events = @EventName("rowclick"))
    public abstract String getOnrowclick();
    @Attribute(events = @EventName("rowdblclick"))
    public abstract String getOnrowdblclick();
    @Attribute(events = @EventName("rowmousedown"))
    public abstract String getOnrowmousedown();
    @Attribute(events = @EventName("rowmouseup"))
    public abstract String getOnrowmouseup();
    @Attribute(events = @EventName("rowmouseover"))
    public abstract String getOnrowmouseover();
    @Attribute(events = @EventName("rowmousemove"))
    public abstract String getOnrowmousemove();
    @Attribute(events = @EventName("rowmouseout"))
    public abstract String getOnrowmouseout();
    @Attribute(events = @EventName("rowkeypress"))
    public abstract String getOnrowkeypress();
    @Attribute(events = @EventName("rowkeydown"))
    public abstract String getOnrowkeydown();
    @Attribute(events = @EventName("rowkeyup"))
    public abstract String getOnrowkeyup();
    public Iterator<UIComponent> columns() {
        return new DataTableColumnsIterator(this);
    }
    protected Iterator<UIComponent> fixedChildren() {
        return new DataTableFixedChildrenIterator(this);
    }
    protected Iterator<UIComponent> dataChildren() {
        return new DataTableDataChildrenIterator(this);
    }
    protected boolean hasRowChildren() {
        return Iterators.tryFind(getChildren().iterator(), ).isPresent();
    }
    public boolean isColumnFacetPresent(String facetName) {
        Iterator<UIComponent> columns = columns();
        boolean result = false;
        while (columns.hasNext() && !result) {
            UIComponent component = columns.next();
            if (component instanceof javax.faces.component.UIColumn) {
                if (component.isRendered()) {
                    UIComponent facet = component.getFacet(facetName);
                    result = facet != null && facet.isRendered();
                    // header facet is required if we have built-in filters
                    if (result == false && "header".equals(facetName) && component instanceof AbstractColumn) {
                        result = ((AbstractColumncomponent).useBuiltInFilter();
                    }
                }
            }
            if (result) {
                break;
            }
        }
        return result;
    }
    public boolean getRendersChildren() {
        return true;
    }
    protected ExtendedDataModel<?> createExtendedDataModel() {
        ExtendedDataModel<?> dataModel = super.createExtendedDataModel();
        Arrangeable arrangeable = null;
        FacesContext context = getFacesContext();
        ArrangeableState state = createArrangeableState(context);
        if (dataModel instanceof Arrangeable) {
            arrangeable = (Arrangeable) dataModel;
        } else if (state != null) {
            ArrangeableModel arrangebleModel = new ArrangeableModel(dataModelgetVar(), getFilterVar());
            dataModel = arrangebleModel;
            arrangeable = arrangebleModel;
        }
        if (arrangeable != null) {
            arrangeable.arrange(contextstate);
        }
        return dataModel;
    }
    private ArrangeableState createArrangeableState(FacesContext context) {
        ArrangeableState state = null;
        List<FilterField> filterFields = new LinkedList<FilterField>();
        Map<Object, SortField> sortFieldsMap = new LinkedHashMap<Object, SortField>();
        for (Iterator<UIComponent> iterator = columns(); iterator.hasNext();) {
            UIComponent component = iterator.next();
            if (component instanceof AbstractColumn && component.isRendered()) {
                AbstractColumn column = (AbstractColumncomponent;
                FilterField filterField = column.getFilterField();
                if (filterField != null) {
                    filterFields.add(filterField);
                }
                SortField sortField = column.getSortField();
                if (sortField != null) {
                    sortFieldsMap.put(component.getId(), sortField);
                }
            }
        }
        List<SortField> sortFields = new LinkedList<SortField>();
        Collection<?> sortPriority = getSortPriority();
        if (sortPriority != null) {
            for (Object object : sortPriority) {
                SortField sortField = sortFieldsMap.get(object);
                if (sortField != null) {
                    sortFields.add(sortField);
                    sortFieldsMap.remove(object);
                }
            }
        }
        sortFields.addAll(sortFieldsMap.values());
        if (!filterFields.isEmpty() || !sortFields.isEmpty()) {
            state = new ArrangeableStateDefaultImpl(filterFieldssortFieldscontext.getViewRoot().getLocale());
        }
        return state;
    }

    
Walk ( visit ) this component on all data-aware children for each row from range.

Parameters:
faces
visitor
range
argument
    public void walk(FacesContext faces, DataVisitor visitor, Range rangeObject argument) {
        Object key = getRowKey();
        captureOrigValue(faces);
        getExtendedDataModel().walk(facesvisitorrangeargument);
        setRowKey(faceskey);
        restoreOrigValue(faces);
    }
    public String resolveClientId(FacesContext facesContext, UIComponent contextComponentString metaComponentId) {
        if (.contains(metaComponentId)) {
            Object oldRowKey = getRowKey();
            try {
                setRowKey(facesContextnull);
                return getClientId(facesContext) + MetaComponentResolver.META_COMPONENT_SEPARATOR_CHAR + metaComponentId;
            } finally {
                try {
                    setRowKey(facesContextoldRowKey);
                } catch (Exception e) {
                    .error(e.getMessage(), e);
                }
            }
        }
        return null;
    }
    public String substituteUnresolvedClientId(FacesContext facesContext, UIComponent contextComponentString metaComponentId) {
        return null;
    }
    public void encodeMetaComponent(FacesContext contextString metaComponentIdthrows IOException {
        context.getApplication().publishEvent(context, PreRenderComponentEvent.classthis);
        MetaComponentRenderer renderer = (MetaComponentRenderer) getRenderer(context);
        renderer.encodeMetaComponent(contextthismetaComponentId);
    }
    protected boolean visitFixedChildren(VisitContext visitContext, VisitCallback callback) {
        if (visitContext instanceof ExtendedVisitContext) {
            ExtendedVisitContext extendedVisitContext = (ExtendedVisitContext) visitContext;
            if (extendedVisitContext.getVisitMode() == ExtendedVisitContextMode.RENDER) {
                // TODO nick - call preEncodeBegin(...) and emit PreRenderEvent
                VisitResult visitResult;
                visitResult = extendedVisitContext.invokeMetaComponentVisitCallback(thiscallback);
                if (visitResult == VisitResult.ACCEPT) {
                    // TODO nick - visit header?
                } else if (visitResult == VisitResult.COMPLETE) {
                    return true;
                }
                visitResult = extendedVisitContext.invokeMetaComponentVisitCallback(thiscallback);
                if (visitResult == VisitResult.ACCEPT) {
                    // TODO nick - visit footer?
                } else if (visitResult == VisitResult.COMPLETE) {
                    return true;
                }
                if (visitResult == VisitResult.REJECT) {
                    return false;
                }
            }
        }
        return super.visitFixedChildren(visitContextcallback);
    }
    @Override
    protected void restoreChildState(FacesContext facesContext) {
        // Forces client id to be reset
        for (UIComponent child : getChildren()) {
            child.setId(child.getId());
        }
        super.restoreChildState(facesContext);
    }
    protected boolean visitDataChildren(VisitContext visitContextfinal VisitCallback callbackboolean visitRows) {
        if (visitContext instanceof ExtendedVisitContext && visitRows) {
            ExtendedVisitContext extendedVisitContext = (ExtendedVisitContext) visitContext;
            if (extendedVisitContext.getVisitMode() == ExtendedVisitContextMode.RENDER) {
                // TODO nick - call preEncodeBegin(...) and emit PreRenderEvent
                setRowKey(visitContext.getFacesContext(), null);
                VisitResult result = extendedVisitContext.invokeMetaComponentVisitCallback(thiscallback);
                if (result == VisitResult.ACCEPT) {
                    // TODO nick - visit body?
                } else {
                    return result == VisitResult.COMPLETE;
                }
            }
        }
        return super.visitDataChildren(visitContextcallbackvisitRows);
    }
    public void addSortingListener(SortingListener listener) {
        addFacesListener(listener);
    }
    public void removeSortingListener(SortingListener listener) {
        removeFacesListener(listener);
    }
    public void addFilteringListener(FilteringListener listener) {
        addFacesListener(listener);
    }
    public void removeFilteringListener(FilteringListener listener) {
        removeFacesListener(listener);
    }
    public FilteringListener[] getFilteringListeners() {
        return (FilteringListener[]) getFacesListeners(FilteringListener.class);
    }
    public SortingListener[] getSortingListeners() {
        return (SortingListener[]) getFacesListeners(SortingListener.class);
    }
    public void queueEvent(FacesEvent event) {
        if (event instanceof SortingEvent) {
            event.setPhaseId(PhaseId.UPDATE_MODEL_VALUES);
        }
        if (event instanceof FilteringEvent) {
            event.setPhaseId(PhaseId.UPDATE_MODEL_VALUES);
        }
        super.queueEvent(event);
    }
    public static Set<StringgetSupportedMetaComponents() {
        return ;
    }
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