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org.primefaces.component.api.UIData 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.api;
import java.sql.ResultSet;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.component.*;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitHint;
import javax.faces.component.visit.VisitResult;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;
import javax.faces.event.PostValidateEvent;
import javax.faces.event.PreValidateEvent;
import javax.faces.model.ArrayDataModel;
import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;
import javax.faces.model.ResultSetDataModel;
import javax.faces.model.ScalarDataModel;
import javax.faces.render.Renderer;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.columns.Columns;
import org.primefaces.model.CollectionDataModel;
import org.primefaces.util.ComponentUtils;
public class UIData extends javax.faces.component.UIData {
public static final String PAGINATOR_TOP_CONTAINER_CLASS = "ui-paginator ui-paginator-top ui-widget-header";
public static final String PAGINATOR_BOTTOM_CONTAINER_CLASS = "ui-paginator ui-paginator-bottom ui-widget-header";
public static final String PAGINATOR_PAGES_CLASS = "ui-paginator-pages";
public static final String PAGINATOR_PAGE_CLASS = "ui-paginator-page ui-state-default ui-corner-all";
public static final String PAGINATOR_ACTIVE_PAGE_CLASS = "ui-paginator-page ui-state-default ui-state-active ui-corner-all";
public static final String PAGINATOR_CURRENT_CLASS = "ui-paginator-current";
public static final String PAGINATOR_RPP_OPTIONS_CLASS = "ui-paginator-rpp-options ui-widget ui-state-default ui-corner-left";
public static final String PAGINATOR_RPP_LABEL_CLASS = "ui-paginator-rpp-label";
public static final String PAGINATOR_JTP_CLASS = "ui-paginator-jtp-select ui-widget ui-state-default ui-corner-left";
public static final String PAGINATOR_FIRST_PAGE_LINK_CLASS = "ui-paginator-first ui-state-default ui-corner-all";
public static final String PAGINATOR_FIRST_PAGE_ICON_CLASS = "ui-icon ui-icon-seek-first";
public static final String PAGINATOR_PREV_PAGE_LINK_CLASS = "ui-paginator-prev ui-state-default ui-corner-all";
public static final String PAGINATOR_PREV_PAGE_ICON_CLASS = "ui-icon ui-icon-seek-prev";
public static final String PAGINATOR_NEXT_PAGE_LINK_CLASS = "ui-paginator-next ui-state-default ui-corner-all";
public static final String PAGINATOR_NEXT_PAGE_ICON_CLASS = "ui-icon ui-icon-seek-next";
public static final String PAGINATOR_LAST_PAGE_LINK_CLASS = "ui-paginator-last ui-state-default ui-corner-all";
public static final String PAGINATOR_LAST_PAGE_ICON_CLASS = "ui-icon ui-icon-seek-end";
private String clientId = null;
private StringBuilder idBuilder = new StringBuilder();
private DataModel model = null;
private Object oldVar = null;
protected enum PropertyKeys {
paginator
,paginatorTemplate
,rowsPerPageTemplate
,rowsPerPageLabel
,currentPageReportTemplate
,pageLinks
,paginatorPosition
,paginatorAlwaysVisible
,rowIndex
,rowIndexVar
,saved
,lazy;
String toString;
PropertyKeys(String toString) {
this.toString = toString;
}
PropertyKeys() {}
public String toString() {
return ((this.toString != null) ? this.toString : super.toString());
}
}
public boolean isPaginator() {
return (java.lang.Boolean) getStateHelper().eval(PropertyKeys.paginator, false);
}
public void setPaginator(boolean _paginator) {
getStateHelper().put(PropertyKeys.paginator, _paginator);
}
public java.lang.String getPaginatorTemplate() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.paginatorTemplate, "{FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}");
}
public void setPaginatorTemplate(java.lang.String _paginatorTemplate) {
getStateHelper().put(PropertyKeys.paginatorTemplate, _paginatorTemplate);
}
public java.lang.String getRowsPerPageTemplate() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.rowsPerPageTemplate, null);
}
public void setRowsPerPageTemplate(java.lang.String _rowsPerPageTemplate) {
getStateHelper().put(PropertyKeys.rowsPerPageTemplate, _rowsPerPageTemplate);
}
public java.lang.String getRowsPerPageLabel() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.rowsPerPageLabel, null);
}
public void setRowsPerPageLabel(java.lang.String _rowsPerPageLabel) {
getStateHelper().put(PropertyKeys.rowsPerPageLabel, _rowsPerPageLabel);
}
public java.lang.String getCurrentPageReportTemplate() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.currentPageReportTemplate, "({currentPage} of {totalPages})");
}
public void setCurrentPageReportTemplate(java.lang.String _currentPageReportTemplate) {
getStateHelper().put(PropertyKeys.currentPageReportTemplate, _currentPageReportTemplate);
}
public int getPageLinks() {
return (java.lang.Integer) getStateHelper().eval(PropertyKeys.pageLinks, 10);
}
public void setPageLinks(int _pageLinks) {
getStateHelper().put(PropertyKeys.pageLinks, _pageLinks);
}
public java.lang.String getPaginatorPosition() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.paginatorPosition, "both");
}
public void setPaginatorPosition(java.lang.String _paginatorPosition) {
getStateHelper().put(PropertyKeys.paginatorPosition, _paginatorPosition);
}
public boolean isPaginatorAlwaysVisible() {
return (java.lang.Boolean) getStateHelper().eval(PropertyKeys.paginatorAlwaysVisible, true);
}
public void setPaginatorAlwaysVisible(boolean _paginatorAlwaysVisible) {
getStateHelper().put(PropertyKeys.paginatorAlwaysVisible, _paginatorAlwaysVisible);
}
public boolean isLazy() {
return (java.lang.Boolean) getStateHelper().eval(PropertyKeys.lazy, false);
}
public void setLazy(boolean _lazy) {
getStateHelper().put(PropertyKeys.lazy, _lazy);
}
public java.lang.String getRowIndexVar() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.rowIndexVar, null);
}
public void setRowIndexVar(java.lang.String _rowIndexVar) {
getStateHelper().put(PropertyKeys.rowIndexVar, _rowIndexVar);
}
public void calculateFirst() {
int rows = this.getRows();
if(rows > 0) {
int first = this.getFirst();
int rowCount = this.getRowCount();
if(rowCount > 0 && first >= rowCount) {
int numberOfPages = (int) Math.ceil(rowCount * 1d / rows);
this.setFirst(Math.max((numberOfPages-1) * rows, 0));
}
}
}
public int getPage() {
if(this.getRowCount() > 0) {
int rows = this.getRowsToRender();
if(rows > 0) {
int first = this.getFirst();
return (int) (first / rows);
}
else {
return 0;
}
}
else {
return 0;
}
}
public int getPageCount() {
return (int) Math.ceil(this.getRowCount() * 1d / this.getRowsToRender());
}
public int getRowsToRender() {
int rows = this.getRows();
return rows == 0 ? this.getRowCount() : rows;
}
public boolean isPaginationRequest(FacesContext context) {
return context.getExternalContext().getRequestParameterMap().containsKey(getClientId(context) + "_pagination");
}
public void updatePaginationData(FacesContext context, UIData data) {
data.setRowIndex(-1);
String componentClientId = data.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
ELContext elContext = context.getELContext();
String firstParam = params.get(componentClientId + "_first");
String rowsParam = params.get(componentClientId + "_rows");
data.setFirst(Integer.valueOf(firstParam));
data.setRows(Integer.valueOf(rowsParam));
ValueExpression firstVe = data.getValueExpression("first");
ValueExpression rowsVe = data.getValueExpression("rows");
if(firstVe != null && !firstVe.isReadOnly(elContext))
firstVe.setValue(context.getELContext(), data.getFirst());
if(rowsVe != null && !rowsVe.isReadOnly(elContext))
rowsVe.setValue(context.getELContext(), data.getRows());
}
@Override
public void processDecodes(FacesContext context) {
if(!isRendered()) {
return;
}
pushComponentToEL(context, this);
processPhase(context, PhaseId.APPLY_REQUEST_VALUES);
decode(context);
popComponentFromEL(context);
}
@Override
public void processValidators(FacesContext context) {
if(!isRendered()) {
return;
}
pushComponentToEL(context, this);
Application app = context.getApplication();
app.publishEvent(context, PreValidateEvent.class, this);
processPhase(context, PhaseId.PROCESS_VALIDATIONS);
app.publishEvent(context, PostValidateEvent.class, this);
popComponentFromEL(context);
}
@Override
public void processUpdates(FacesContext context) {
if(!isRendered()) {
return;
}
pushComponentToEL(context, this);
processPhase(context, PhaseId.UPDATE_MODEL_VALUES);
popComponentFromEL(context);
}
protected void processPhase(FacesContext context, PhaseId phaseId) {
if(shouldSkipChildren(context)) {
return;
}
setRowIndex(-1);
processFacets(context, phaseId);
if(requiresColumns()) {
processColumnFacets(context, phaseId);
}
processChildren(context, phaseId);
setRowIndex(-1);
}
protected void processFacets(FacesContext context, PhaseId phaseId) {
if(this.getFacetCount() > 0) {
for(UIComponent facet : getFacets().values()) {
process(context, facet, phaseId);
}
}
}
protected void processColumnFacets(FacesContext context, PhaseId phaseId) {
for(UIComponent child : this.getChildren()) {
if(child.isRendered() && (child.getFacetCount() > 0)) {
for(UIComponent facet : child.getFacets().values()) {
process(context, facet, phaseId);
}
}
}
}
protected void processChildren(FacesContext context, PhaseId phaseId) {
int first = getFirst();
int rows = getRows();
int last = rows == 0 ? getRowCount() : (first + rows);
for(int rowIndex = first; rowIndex < last; rowIndex++) {
setRowIndex(rowIndex);
if(!isRowAvailable()) {
break;
}
for(UIComponent child : this.getIterableChildren()) {
if(child.isRendered()) {
if(child instanceof Column) {
for(UIComponent grandkid : child.getChildren()) {
process(context, grandkid, phaseId);
}
}
else {
process(context, child, phaseId);
}
}
}
}
}
protected void process(FacesContext context, UIComponent component, PhaseId phaseId) {
if(phaseId == PhaseId.APPLY_REQUEST_VALUES) {
component.processDecodes(context);
}
else if(phaseId == PhaseId.PROCESS_VALIDATIONS) {
component.processValidators(context);
}
else if(phaseId == PhaseId.UPDATE_MODEL_VALUES) {
component.processUpdates(context);
}
}
@Override
public String getClientId(FacesContext context) {
if(this.clientId != null) {
return this.clientId;
}
String id = getId();
if(id == null) {
UniqueIdVendor parentUniqueIdVendor = ComponentUtils.findParentUniqueIdVendor(this);
if(parentUniqueIdVendor == null) {
UIViewRoot viewRoot = context.getViewRoot();
if(viewRoot != null) {
id = viewRoot.createUniqueId();
}
else {
throw new FacesException("Cannot create clientId for " + this.getClass().getCanonicalName());
}
}
else {
id = parentUniqueIdVendor.createUniqueId(context, null);
}
this.setId(id);
}
UIComponent namingContainer = ComponentUtils.findParentNamingContainer(this);
if(namingContainer != null) {
String containerClientId = namingContainer.getContainerClientId(context);
if(containerClientId != null) {
this.clientId = this.idBuilder.append(containerClientId).append(UINamingContainer.getSeparatorChar(context)).append(id).toString();
this.idBuilder.setLength(0);
}
else
{
this.clientId = id;
}
}
else
{
this.clientId = id;
}
Renderer renderer = getRenderer(context);
if(renderer != null) {
this.clientId = renderer.convertClientId(context, this.clientId);
}
return this.clientId;
}
@Override
public String getContainerClientId(FacesContext context) {
//clientId is without rowIndex
String componentClientId = this.getClientId(context);
int rowIndex = getRowIndex();
if(rowIndex == -1) {
return componentClientId;
}
String containerClientId = idBuilder.append(componentClientId).append(UINamingContainer.getSeparatorChar(context)).append(rowIndex).toString();
idBuilder.setLength(0);
return containerClientId;
}
@Override
public void setId(String id) {
super.setId(id);
//clear
this.clientId = null;
}
@Override
public void setRowIndex(int rowIndex) {
saveDescendantState();
setRowModel(rowIndex);
restoreDescendantState();
}
public void setRowModel(int rowIndex) {
//update rowIndex
getStateHelper().put(PropertyKeys.rowIndex, rowIndex);
getDataModel().setRowIndex(rowIndex);
//clear datamodel
if(rowIndex == -1) {
setDataModel(null);
}
//update var
String var = (String) this.getVar();
if(var != null) {
String rowIndexVar = this.getRowIndexVar();
Map requestMap = getFacesContext().getExternalContext().getRequestMap();
if(rowIndex == -1) {
oldVar = requestMap.remove(var);
if(rowIndexVar != null)
requestMap.remove(rowIndexVar);
}
else if(isRowAvailable()) {
requestMap.put(var, getRowData());
if(rowIndexVar != null)
requestMap.put(rowIndexVar, rowIndex);
}
else {
requestMap.remove(var);
if(rowIndexVar != null)
requestMap.put(rowIndexVar, rowIndex);
if(oldVar != null) {
requestMap.put(var, oldVar);
oldVar = null;
}
}
}
}
@Override
public int getRowIndex() {
return (Integer) getStateHelper().eval(PropertyKeys.rowIndex, -1);
}
protected void saveDescendantState() {
FacesContext context = getFacesContext();
if(this.getChildCount() > 0) {
for(UIComponent kid : getChildren()) {
saveDescendantState(kid, context);
}
}
if(this.getFacetCount() > 0) {
for(UIComponent facet : this.getFacets().values()) {
saveDescendantState(facet, context);
}
}
}
protected void saveDescendantState(UIComponent component, FacesContext context) {
Map saved = (Map) getStateHelper().get(PropertyKeys.saved);
if(component instanceof EditableValueHolder) {
EditableValueHolder input = (EditableValueHolder) component;
SavedState state = null;
String componentClientId = component.getClientId(context);
if(saved == null) {
state = new SavedState();
getStateHelper().put(PropertyKeys.saved, componentClientId, state);
}
if(state == null) {
state = saved.get(componentClientId);
if(state == null) {
state = new SavedState();
getStateHelper().put(PropertyKeys.saved, componentClientId, state);
}
}
state.setValue(input.getLocalValue());
state.setValid(input.isValid());
state.setSubmittedValue(input.getSubmittedValue());
state.setLocalValueSet(input.isLocalValueSet());
}
else if (component instanceof UIForm) {
UIForm form = (UIForm) component;
String componentClientId = component.getClientId(context);
SavedState state = null;
if (saved == null) {
state = new SavedState();
getStateHelper().put(PropertyKeys.saved, componentClientId, state);
}
if (state == null) {
state = saved.get(componentClientId);
if (state == null) {
state = new SavedState();
//saved.put(clientId, state);
getStateHelper().put(PropertyKeys.saved, componentClientId, state);
}
}
state.setSubmitted(form.isSubmitted());
}
//save state for children
if(component.getChildCount() > 0) {
for(UIComponent kid : component.getChildren()) {
saveDescendantState(kid, context);
}
}
//save state for facets
if(component.getFacetCount() > 0) {
for(UIComponent facet : component.getFacets().values()) {
saveDescendantState(facet, context);
}
}
}
protected void restoreDescendantState() {
FacesContext context = getFacesContext();
if(getChildCount() > 0) {
for(UIComponent kid : getChildren()) {
restoreDescendantState(kid, context);
}
}
if(this.getFacetCount() > 0) {
for(UIComponent facet : this.getFacets().values()) {
restoreDescendantState(facet, context);
}
}
}
protected void restoreDescendantState(UIComponent component, FacesContext context) {
String id = component.getId();
component.setId(id); //reset the client id
Map saved = (Map) getStateHelper().get(PropertyKeys.saved);
if(component instanceof EditableValueHolder) {
EditableValueHolder input = (EditableValueHolder) component;
String componentClientId = component.getClientId(context);
SavedState state = saved.get(componentClientId);
if(state == null) {
state = new SavedState();
}
input.setValue(state.getValue());
input.setValid(state.isValid());
input.setSubmittedValue(state.getSubmittedValue());
input.setLocalValueSet(state.isLocalValueSet());
}
else if (component instanceof UIForm) {
UIForm form = (UIForm) component;
String componentClientId = component.getClientId(context);
SavedState state = saved.get(componentClientId);
if(state == null) {
state = new SavedState();
}
form.setSubmitted(state.getSubmitted());
state.setSubmitted(form.isSubmitted());
}
//restore state of children
if(component.getChildCount() > 0) {
for(UIComponent kid : component.getChildren()) {
restoreDescendantState(kid, context);
}
}
//restore state of facets
if(component.getFacetCount() > 0) {
for(UIComponent facet : component.getFacets().values()) {
restoreDescendantState(facet, context);
}
}
}
@Override
protected DataModel getDataModel() {
if(this.model != null) {
return (model);
}
Object current = getValue();
if(current == null) {
setDataModel(new ListDataModel(Collections.EMPTY_LIST));
}
else if (current instanceof DataModel) {
setDataModel((DataModel) current);
}
else if (current instanceof List) {
setDataModel(new ListDataModel((List) current));
}
else if (Object[].class.isAssignableFrom(current.getClass())) {
setDataModel(new ArrayDataModel((Object[]) current));
}
else if (current instanceof ResultSet) {
setDataModel(new ResultSetDataModel((ResultSet) current));
}
else if (current instanceof Collection) {
setDataModel(new CollectionDataModel((Collection) current));
}
else {
setDataModel(new ScalarDataModel(current));
}
return model;
}
@Override
protected void setDataModel(DataModel dataModel) {
this.model = dataModel;
}
protected boolean shouldSkipChildren(FacesContext context) {
return false;
}
protected boolean shouldVisitChildren(VisitContext context, boolean visitRows) {
if(visitRows) {
setRowIndex(-1);
}
Collection idsToVisit = context.getSubtreeIdsToVisit(this);
return (!idsToVisit.isEmpty());
}
@Override
public boolean visitTree(VisitContext context, VisitCallback callback) {
if(!isVisitable(context)) {
return false;
}
FacesContext facesContext = context.getFacesContext();
boolean visitRows = shouldVisitRows(facesContext, context);
int rowIndex = -1;
if(visitRows) {
rowIndex = getRowIndex();
setRowIndex(-1);
}
pushComponentToEL(facesContext, null);
try {
VisitResult result = context.invokeVisitCallback(this, callback);
if(result == VisitResult.COMPLETE) {
return true;
}
if((result == VisitResult.ACCEPT) && shouldVisitChildren(context, visitRows)) {
if(visitFacets(context, callback, visitRows)) {
return true;
}
if(requiresColumns() && visitColumnsAndColumnFacets(context, callback, visitRows)) {
return true;
}
if(visitRows(context, callback, visitRows)) {
return true;
}
}
}
finally {
popComponentFromEL(facesContext);
if(visitRows) {
setRowIndex(rowIndex);
}
}
return false;
}
protected boolean visitFacets(VisitContext context, VisitCallback callback, boolean visitRows) {
if(visitRows) {
setRowIndex(-1);
}
if(getFacetCount() > 0) {
for(UIComponent facet : getFacets().values()) {
if(facet.visitTree(context, callback)) {
return true;
}
}
}
return false;
}
protected boolean visitColumnsAndColumnFacets(VisitContext context, VisitCallback callback, boolean visitRows) {
if(visitRows) {
setRowIndex(-1);
}
if(getChildCount() > 0) {
for(UIComponent child : getChildren()) {
VisitResult result = context.invokeVisitCallback(child, callback); // visit the column directly
if (result == VisitResult.COMPLETE) {
return true;
}
if(child instanceof UIColumn) {
if(child.getFacetCount() > 0) {
if(child instanceof Columns) {
Columns columns = (Columns) child;
for(int i = 0; i < columns.getRowCount(); i++) {
columns.setRowIndex(i);
boolean value = visitColumnFacets(context, callback, child);
if(value) {
return true;
}
}
columns.setRowIndex(-1);
}
else {
boolean value = visitColumnFacets(context, callback, child);
if(value) {
return true;
}
}
}
}
else if(child instanceof ColumnGroup) {
visitColumnGroup(context, callback, (ColumnGroup) child);
}
}
}
return false;
}
protected boolean visitColumnGroup(VisitContext context, VisitCallback callback, ColumnGroup group) {
if(group.getChildCount() > 0) {
for(UIComponent row : group.getChildren()) {
if(row.getChildCount() > 0) {
for(UIComponent col : row.getChildren()) {
if(col instanceof Column && col.getFacetCount() > 0) {
boolean value = visitColumnFacets(context, callback, (Column) col);
if(value) {
return true;
}
}
}
}
}
}
return false;
}
protected boolean visitColumnFacets(VisitContext context, VisitCallback callback, UIComponent component) {
for(UIComponent columnFacet : component.getFacets().values()) {
if(columnFacet.visitTree(context, callback)) {
return true;
}
}
return false;
}
protected boolean visitRows(VisitContext context, VisitCallback callback, boolean visitRows) {
boolean requiresColumns = this.requiresColumns();
int processed = 0;
int rowIndex = 0;
int rows = 0;
if (visitRows) {
rowIndex = getFirst() - 1;
rows = getRows();
}
while(true) {
if(visitRows) {
if((rows > 0) && (++processed > rows)) {
break;
}
setRowIndex(++rowIndex);
if(!isRowAvailable()) {
break;
}
}
if(getChildCount() > 0) {
for(UIComponent kid : getChildren()) {
if(requiresColumns) {
if(kid instanceof Columns) {
Columns uicolumns = (Columns) kid;
for(int i = 0; i < uicolumns.getRowCount(); i++) {
uicolumns.setRowIndex(i);
boolean value = visitColumnContent(context, callback, uicolumns);
if(value) {
return true;
}
}
uicolumns.setRowIndex(-1);
}
else {
boolean value = visitColumnContent(context, callback, kid);
if(value) {
return true;
}
}
}
else {
if(kid.visitTree(context, callback)) {
return true;
}
}
}
}
if(!visitRows) {
break;
}
}
return false;
}
protected boolean visitColumnContent(VisitContext context, VisitCallback callback, UIComponent component) {
if(component.getChildCount() > 0) {
for(UIComponent grandkid : component.getChildren()) {
if(grandkid.visitTree(context, callback)) {
return true;
}
}
}
return false;
}
protected boolean shouldVisitRows(FacesContext context, VisitContext visitContext) {
try {
//JSF 2.1
VisitHint skipHint = VisitHint.valueOf("SKIP_ITERATION");
return !visitContext.getHints().contains(skipHint);
}
catch(IllegalArgumentException e) {
//JSF 2.0
Object skipHint = context.getAttributes().get("javax.faces.visit.SKIP_ITERATION");
return !Boolean.TRUE.equals(skipHint);
}
}
protected boolean requiresColumns() {
return false;
}
protected List getIterableChildren() {
return this.getChildren();
}
}
