Author: abelevich Date: 2010-03-31 11:25:51 -0400 (Wed, 31 Mar 2010) New Revision: 16699 Removed: root/ui-sandbox/trunk/components/datascroller/ui/src/main/java/org/richfaces/component/RenderPhaseDataScrollerVisitor.java Log: use dataTable's PreRender event listener instead of this visitor Deleted: root/ui-sandbox/trunk/components/datascroller/ui/src/main/java/org/richfaces/component/RenderPhaseDataScrollerVisitor.java =================================================================== --- root/ui-sandbox/trunk/components/datascroller/ui/src/main/java/org/richfaces/component/RenderPhaseDataScrollerVisitor.java 2010-03-31 15:24:11 UTC (rev 16698) +++ root/ui-sandbox/trunk/components/datascroller/ui/src/main/java/org/richfaces/component/RenderPhaseDataScrollerVisitor.java 2010-03-31 15:25:51 UTC (rev 16699) @@ -1,232 +0,0 @@ -/** - * License Agreement. - * - * JBoss RichFaces - Ajax4jsf Component Library - * - * Copyright (C) 2007 Exadel, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License version 2.1 as published by the Free Software Foundation. - * - * This library 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 library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -package org.richfaces.component; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; - -import javax.el.Expression; -import javax.el.ValueExpression; -import javax.faces.component.UIComponent; -import javax.faces.component.UIData; -import javax.faces.context.FacesContext; -import javax.faces.event.PhaseEvent; - -import org.ajax4jsf.Messages; -import org.richfaces.component.util.MessageUtil; -import org.richfaces.event.RenderPhaseComponentVisitor; -import org.richfaces.log.RichfacesLogger; -import org.slf4j.Logger; - - -/** - * Created 08.03.2008 - * @author Nick Belaevski - * @since 3.2 - */ - -public class RenderPhaseDataScrollerVisitor implements RenderPhaseComponentVisitor { - - private class State { - - private ComponentConnections connections; - private LinkedList<UIComponent> components; - - private State(LinkedList<UIComponent> components, - ComponentConnections connections) { - this.components = components; - this.connections = connections; - } - } - - private static final class ComponentConnections { - private final Map<UIData, List<UIDataScroller>> map = - new HashMap<UIData, List<UIDataScroller>>(); - - public void addConnection(UIData one, UIDataScroller multi) { - List<UIDataScroller> list = map.get(one); - if (list == null) { - list = new ArrayList<UIDataScroller>(1); - map.put(one, list); - } - - list.add(multi); - } - - public Iterator<Entry<UIData, List<UIDataScroller>>> iterator() { - return map.entrySet().iterator(); - } - - @Override - public String toString() { - return this.getClass().getSimpleName() + ": " + map; - } - } - - private static final Logger log = RichfacesLogger.COMPONENTS.getLogger(); - - public Object beforeRoot(PhaseEvent event) { - return new State(new LinkedList<UIComponent>(), new ComponentConnections()); - } - - public void beforeComponent(UIComponent component, PhaseEvent event, Object object) { - State state = (State) object; - state.components.addLast(component); - - if (component instanceof UIDataScroller && isRendered(state.components)) { - UIDataScroller datascroller = (UIDataScroller) component; - //UIData dataTable = datascroller.getDataTable(); - - // state.connections.addConnection(dataTable, datascroller); - } - } - - public void afterComponent(UIComponent component, PhaseEvent event, Object object) { - State state = (State) object; - state.components.removeLast(); - } - - public void afterRoot(PhaseEvent event, Object object) { - State state = (State) object; - FacesContext facesContext = event.getFacesContext(); - Iterator<Entry<UIData, List<UIDataScroller>>> entries = - state.connections.iterator(); - - while (entries.hasNext()) { - Entry<UIData, List<UIDataScroller>> entry = entries.next(); - List<UIDataScroller> scrollers = entry.getValue(); - if (!scrollers.isEmpty()) { - List<Object> values = new ArrayList<Object>(scrollers.size()); - - UIData data = entry.getKey(); - UIDataScroller activeComponent = null; - - Map<String, Object> attributes = data.getAttributes(); - Object pageValue = attributes.get(UIDataScroller.SCROLLER_STATE_ATTRIBUTE); - - if (pageValue == null) { - boolean valid = true; - - for (UIDataScroller datascroller : scrollers) { - Object nextPageValue = null; - - if (datascroller.isLocalPageSet()) { - nextPageValue = datascroller.getPage(); - attributes.put(UIDataScroller.SCROLLER_STATE_ATTRIBUTE, nextPageValue); - datascroller.resetLocalPage(); - } else { - nextPageValue = datascroller.getValueExpression("page"); - } - - if (!values.isEmpty() && !same(values.get(values.size() - 1), nextPageValue)) { - valid = false; - } - - values.add(nextPageValue); - - if (nextPageValue != null) { - activeComponent = datascroller; - pageValue = nextPageValue; - } - } - - if (!valid) { - StringBuilder builder = new StringBuilder("\n["); - Iterator<UIDataScroller> scrollerItr = scrollers.iterator(); - Iterator<Object> valueItr = values.iterator(); - - while (scrollerItr.hasNext()) { - UIDataScroller next = scrollerItr.next(); - builder.append(MessageUtil.getLabel(facesContext, next)); - builder.append(": "); - - Object value = valueItr.next(); - if (value instanceof Expression) { - builder.append(((Expression) value).getExpressionString()); - } else { - builder.append(value); - } - - builder.append(scrollerItr.hasNext() ? ",\n" : "]"); - } - - String formattedMessage = Messages.getMessage(Messages.DATASCROLLER_PAGES_DIFFERENT, - new Object[] {MessageUtil.getLabel(facesContext, data), builder}); - - - log.error(formattedMessage); - } - - } - - if (activeComponent == null) { - activeComponent = scrollers.get(scrollers.size() - 1); - } - - if (pageValue != null) { - activeComponent.setupFirstRowValue(); - } - } - } - } - - private static boolean isRendered(List<UIComponent> components) { - boolean rendered; - - for (UIComponent component : components) { - rendered = false; - - try { - rendered = component.isRendered(); - } catch (Exception e) { - //ignore that - if (log.isDebugEnabled()) { - log.debug(e.getLocalizedMessage(), e); - } - } - - if (!rendered) { - return false; - } - } - - return true; - } - - private static boolean same(Object o1, Object o2) { - if (o1 instanceof ValueExpression && o2 instanceof ValueExpression) { - ValueExpression ve1 = (ValueExpression) o1; - ValueExpression ve2 = (ValueExpression) o2; - - if (same(ve1.getExpressionString(), ve2.getExpressionString()) && same(ve1.getExpectedType(), ve2.getExpectedType())) { - return true; - } - } - - return (o1 != null && o1.equals(o2)) || (o1 == null && o2 == null); - } -}