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/*
* Copyright 2004-2013 ICEsoft Technologies Canada Corp.
*
* 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 com.icesoft.faces.component.datapaginator;
import com.icesoft.faces.component.CSS_DEFAULT;
import com.icesoft.faces.component.ext.taglib.Util;
import com.icesoft.util.CoreComponentUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.component.UIData;
import javax.faces.component.html.HtmlPanelGroup;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.MethodBinding;
import javax.faces.el.ValueBinding;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import javax.faces.event.FacesEvent;
import javax.faces.event.PhaseId;
import java.sql.ResultSet;
import java.io.Serializable;
/**
*
*/
public class DataPaginator extends HtmlPanelGroup implements ActionSource, Serializable {
private final Log log = LogFactory.getLog(DataPaginator.class);
private static final String FIRST_FACET_NAME = "first";
private static final String LAST_FACET_NAME = "last";
private static final String NEXT_FACET_NAME = "next";
private static final String PREVIOUS_FACET_NAME = "previous";
private static final String FAST_FORWARD_FACET_NAME = "fastforward";
private static final String FAST_REWIND_FACET_NAME = "fastrewind";
private int oldRow = -1;
private int pageIndex;
// just for caching the associated uidata
private transient UIData _UIData;
private Boolean keyboardNavigationEnabled;
private MethodBinding _actionListener;
private Boolean disabled = null;
/**
* @return COMPONENT_TYPE
*/
public String getComponentType() {
return COMPONENT_TYPE;
}
/**
* @return DEFAULT_RENDERER_TYPE
* @see javax.faces.component.UIComponent#getRendererType()
*/
public String getRendererType() {
return DEFAULT_RENDERER_TYPE;
}
/**
* Set the value of the disabled property.
*/
public void setDisabled(boolean disabled) {
this.disabled = new Boolean(disabled);
ValueBinding vb = getValueBinding("disabled");
if (vb != null) {
vb.setValue(getFacesContext(), this.disabled);
this.disabled = null;
}
}
/**
* Return the value of the disabled property.
*/
public boolean isDisabled() {
if (!Util.isEnabledOnUserRole(this)) {
return true;
}
if (disabled != null) {
return disabled.booleanValue();
}
ValueBinding vb = getValueBinding("disabled");
Boolean v =
vb != null ? (Boolean) vb.getValue(getFacesContext()) : null;
return v != null ? v.booleanValue() : false;
}
/**
* @see javax.faces.component.UIComponentBase#queueEvent(javax.faces.event.FacesEvent)
*/
public void queueEvent(FacesEvent event) {
if (event != null && event instanceof ActionEvent) {
if (isImmediate()) {
event.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);
} else {
event.setPhaseId(PhaseId.INVOKE_APPLICATION);
}
}
super.queueEvent(event);
}
/**
* @see javax.faces.component.UIComponentBase#broadcast(javax.faces.event.FacesEvent)
*/
public void broadcast(FacesEvent event) throws AbortProcessingException {
super.broadcast(event);
if (event instanceof PaginatorActionEvent) {
PaginatorActionEvent scrollerEvent = (PaginatorActionEvent) event;
UIData uiData = getUIData();
if (uiData == null) {
return;
}
int pageindex = scrollerEvent.getPageIndex();
if (pageindex == -1) {
String facet = scrollerEvent.getScrollerfacet();
if (FACET_FIRST.equals(facet)) {
gotoFirstPage();
} else if (FACET_PREVIOUS.equals(facet)) {
gotoPreviousPage();
} else if (FACET_NEXT.equals(facet)) {
gotoNextPage();
} else if (FACET_FAST_FORWARD.equals(facet)) {
gotoFastForward();
} else if (FACET_FAST_REWIND.equals(facet)) {
gotoFastRewind();
} else if (FACET_LAST.equals(facet)) {
gotoLastPage();
}
scrollerEvent.setPageIndex(getPageIndex());
} else {
int pageCount = getPageCount();
if (pageindex > pageCount) {
pageindex = pageCount;
}
if (pageindex <= 0) {
pageindex = 1;
}
uiData.setFirst(uiData.getRows() * (pageindex - 1));
}
if (isImmediate()) {
//page links are not a UICommand. They are just elements, so
//by now the pageindex has been changed, now this component
//itself needs to call the renderResponse.
getFacesContext().renderResponse();
}
broadcastToActionListener(scrollerEvent);
}
}
protected void broadcastToActionListener(PaginatorActionEvent event) {
FacesContext context = getFacesContext();
try {
MethodBinding actionListenerBinding = getActionListener();
if (actionListenerBinding != null) {
actionListenerBinding.invoke(context, new Object[]{event});
}
// super.broadcast(event) does this itself
//ActionListener[] actionListeners = getActionListeners();
//if(actionListeners != null) {
// for(int i = 0; i < actionListeners.length; i++) {
// actionListeners[i].processAction(event);
// }
//}
} catch (EvaluationException e) {
Throwable cause = e.getCause();
if (cause != null &&
cause instanceof AbortProcessingException) {
throw(AbortProcessingException) cause;
}
throw e;
}
}
/**
* Return the instance of the UIData associated to this
* component.
*/
public UIData getUIData() {
if (_UIData == null) {
_UIData = findUIData();
}
return _UIData;
}
public void setUIData(UIData uiData) {
_UIData = uiData;
}
/**
* Return the value of the pageIndex property.
*/
public int getPageIndex() {
UIData uiData = getUIData();
int rows = uiData.getRows();
int pageCount = getPageCount();
int first = uiData.getFirst();
//respect if the dataTable.rows gets changed by some other component.
if (oldRow != -1 && oldRow != rows) {
first = rows * (pageIndex-1);
}
int tempPageIndex = pageIndex;
if (rows > 0) {
pageIndex =first / rows + 1;
// if the page index > pageCount then some rows may have been removed
// so we need to show the last page which may be a partial or full page
// worth of data
if (pageIndex > pageCount) {
pageIndex = pageCount;
// Code redone in HtmlDataTable.ensureFirstRowInRange() for ICE-2783
}
} else {
log.warn("DataTable " +
uiData.getClientId(FacesContext.getCurrentInstance())
+ " has invalid rows attribute.");
pageIndex = 0;
}
//the first was not in range, so recalculate
if (tempPageIndex != pageIndex) {
first = (rows * pageIndex)-rows;
}
//apply the calculated first for current page
if (oldRow != -1 && oldRow != rows) {
uiData.setFirst(first < 0 ? 0 : first);
}
oldRow = rows;
if (rows == 0) {
pageIndex = 1;
} else if (uiData.getFirst() % rows > 0) {
pageIndex++;
}
return pageIndex;
}
private void setPageIndex(int pageIndex) {
this.pageIndex = pageIndex;
}
/**
* Return the value of the pageCount property.
*/
public int getPageCount() {
UIData uiData = getUIData();
int rows = uiData.getRows();
int pageCount;
if (rows > 0) {
pageCount = rows <= 0 ? 1 : uiData.getRowCount() / rows;
if (uiData.getRowCount() % rows > 0) {
pageCount++;
}
} else {
rows = 1;
pageCount = 1;
}
return pageCount;
}
/**
* Return the value of the rowCount property.
*/
public int getRowCount() {
return getUIData().getRowCount();
}
/**
* Return the value of the rows property.
*/
public int getRows() {
return getUIData().getRows();
}
/**
* Return the value of the first property.
*/
public int getFirstRow() {
return getUIData().getFirst();
}
/**
* Return the instance of UIData associated to this
* component.
*/
protected UIData findUIData() {
String forStr = getFor();
UIComponent forComp;
if (forStr == null) {
// DataPaginator may be a child of uiData
forComp = getParent();
} else {
forComp = CoreComponentUtils.findComponent(forStr, this);
}
if (forComp == null) {
throw new IllegalArgumentException(
"could not find UIData referenced by attribute dataScroller@for = '"
+ forStr + "'");
} else if (!(forComp instanceof UIData)) {
throw new IllegalArgumentException(
"uiComponent referenced by attribute dataScroller@for = '" +
forStr + "' must be of type "
+ UIData.class.getName() + ", not type " +
forComp.getClass().getName());
}
return (UIData) forComp;
}
/**
* Set the value of the first facet for this component.
*/
public void setFirst(UIComponent first) {
getFacets().put(FIRST_FACET_NAME, first);
}
/**
* Return the value of the first facet of this
* component.
*/
public UIComponent getFirst() {
return (UIComponent) getFacet(FIRST_FACET_NAME);
}
/**
* Set the value of the last facet for this component.
*/
public void setLast(UIComponent last) {
getFacets().put(LAST_FACET_NAME, last);
}
/**
* Return the value of the last facet of this
* component.
*/
public UIComponent getLast() {
return (UIComponent) getFacet(LAST_FACET_NAME);
}
/**
* Set the value of the next facet for this component.
*/
public void setNext(UIComponent next) {
getFacets().put(NEXT_FACET_NAME, next);
}
/**
* Return the value of the next facet of this
* component.
*/
public UIComponent getNext() {
return (UIComponent) getFacet(NEXT_FACET_NAME);
}
/**
* Set the value of the fast forward facet for this
* component.
*/
public void setFastForward(UIComponent previous) {
getFacets().put(FAST_FORWARD_FACET_NAME, previous);
}
/**
* Return the value of the fast forward facet of this
* component.
*/
public UIComponent getFastForward() {
return (UIComponent) getFacet(FAST_FORWARD_FACET_NAME);
}
/**
* Set the value of the fast rewind facet for this
* component.
*/
public void setFastRewind(UIComponent previous) {
getFacets().put(FAST_REWIND_FACET_NAME, previous);
}
/**
* Return the value of the fast rewind facet of this
* component.
*/
public UIComponent getFastRewind() {
return (UIComponent) getFacet(FAST_REWIND_FACET_NAME);
}
/**
* Set the value of the previous facet for this
* component.
*/
public void setPrevious(UIComponent previous) {
getFacets().put(PREVIOUS_FACET_NAME, previous);
}
/**
* Return the value of the previous facet of this
* component.
*/
public UIComponent getPrevious() {
return (UIComponent) getFacet(PREVIOUS_FACET_NAME);
}
/**
* Return a flag indicating whether this component is responsible for
* rendering its child components.
*/
public boolean getRendersChildren() {
return true;
}
/**
* @see javax.faces.component.ActionSource#getAction()
*/
public MethodBinding getAction() {
// not used
return null;
}
/**
* @see javax.faces.component.ActionSource#setAction(javax.faces.el.MethodBinding)
*/
public void setAction(MethodBinding action) {
throw new UnsupportedOperationException(
"Defining an action is not supported. Use an actionListener");
}
/**
* @see javax.faces.component.ActionSource#setActionListener(javax.faces.el.MethodBinding)
*/
public void setActionListener(MethodBinding actionListener) {
_actionListener = actionListener;
}
/**
* @see javax.faces.component.ActionSource#getActionListener()
*/
public MethodBinding getActionListener() {
return _actionListener;
}
/**
* @see javax.faces.component.ActionSource#addActionListener(javax.faces.event.ActionListener)
*/
public void addActionListener(ActionListener listener) {
addFacesListener(listener);
}
/**
* @see javax.faces.component.ActionSource#getActionListeners()
*/
public ActionListener[] getActionListeners() {
return (ActionListener[]) getFacesListeners(ActionListener.class);
}
/**
* @see javax.faces.component.ActionSource#removeActionListener(javax.faces.event.ActionListener)
*/
public void removeActionListener(ActionListener listener) {
removeFacesListener(listener);
}
public static final String COMPONENT_TYPE =
"com.icesoft.faces.DataScroller";
public static final String COMPONENT_FAMILY = "javax.faces.Panel";
private static final String DEFAULT_RENDERER_TYPE =
"com.icesoft.faces.DataScroller";
private static final boolean DEFAULT_IMMEDIATE = false;
private static final boolean DEFAULT_VERTICAL = false;
private String _for = null;
private Integer _fastStep = null;
private String _pageIndexVar = null;
private String _pageCountVar = null;
private String _rowsCountVar = null;
private String _displayedRowsCountVar = null;
private String _firstRowIndexVar = null;
private String _lastRowIndexVar = null;
private String _style = null;
private String _styleClass = null;
private String _columnClasses = null;
private Boolean _paginator = null;
private Integer _paginatorMaxPages = null;
private Boolean _renderFacetsIfSinglePage = null;
private Boolean _immediate;
private Boolean _vertical;
public static final String FACET_FIRST = "first".intern();
public static final String FACET_PREVIOUS = "previous".intern();
public static final String FACET_NEXT = "next".intern();
public static final String FACET_LAST = "last".intern();
public static final String FACET_FAST_FORWARD = "fastf".intern();
public static final String FACET_FAST_REWIND = "fastr".intern();
private Integer tabindex = null;
public DataPaginator() {
setRendererType(DEFAULT_RENDERER_TYPE);
}
/* (non-Javadoc)
* @see javax.faces.component.UIComponent#getFamily()
*/
public String getFamily() {
return COMPONENT_FAMILY;
}
/**
* Set the value of the for property.
*/
public void setFor(String forValue) {
_for = forValue;
}
/**
* Return the value of the for property.
*/
public String getFor() {
if (_for != null) {
return _for;
}
ValueBinding vb = getValueBinding("for");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the fastStep property.
*/
public void setFastStep(int fastStep) {
_fastStep = new Integer(fastStep);
}
/**
* Return the value of the fastStep property.
*/
public int getFastStep() {
if (_fastStep != null) {
return _fastStep.intValue();
}
ValueBinding vb = getValueBinding("fastStep");
Integer v =
vb != null ? (Integer) vb.getValue(getFacesContext()) : null;
return v != null ? v.intValue() : Integer.MIN_VALUE;
}
/**
* Set the value of the pageIndexVar property.
*/
public void setPageIndexVar(String pageIndexVar) {
_pageIndexVar = pageIndexVar;
}
/**
* Return the value of the pageIndexVar property.
*/
public String getPageIndexVar() {
if (_pageIndexVar != null) {
return _pageIndexVar;
}
ValueBinding vb = getValueBinding("pageIndexVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the pageCountVar property.
*/
public void setPageCountVar(String pageCountVar) {
_pageCountVar = pageCountVar;
}
/**
* Return the value of the pageCountVar property.
*/
public String getPageCountVar() {
if (_pageCountVar != null) {
return _pageCountVar;
}
ValueBinding vb = getValueBinding("pageCountVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the rowsCountVar property.
*/
public void setRowsCountVar(String rowsCountVar) {
_rowsCountVar = rowsCountVar;
}
/**
* Return the value of the rowsCountVar property.
*/
public String getRowsCountVar() {
if (_rowsCountVar != null) {
return _rowsCountVar;
}
ValueBinding vb = getValueBinding("rowsCountVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the displayedRowsCountVar property.
*/
public void setDisplayedRowsCountVar(String displayedRowsCountVar) {
_displayedRowsCountVar = displayedRowsCountVar;
}
/**
* Return the value of the displayedRowsCountVar
* property.
*/
public String getDisplayedRowsCountVar() {
if (_displayedRowsCountVar != null) {
return _displayedRowsCountVar;
}
ValueBinding vb = getValueBinding("displayedRowsCountVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the firstRowIndexVar property.
*/
public void setFirstRowIndexVar(String firstRowIndexVar) {
_firstRowIndexVar = firstRowIndexVar;
}
/**
* Return the value of the firstRowIndexVar property.
*/
public String getFirstRowIndexVar() {
if (_firstRowIndexVar != null) {
return _firstRowIndexVar;
}
ValueBinding vb = getValueBinding("firstRowIndexVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the lastRowIndexVar property.
*/
public void setLastRowIndexVar(String lastRowIndexVar) {
_lastRowIndexVar = lastRowIndexVar;
}
/**
* Return the value of the lastRowIndexVar property.
*/
public String getLastRowIndexVar() {
if (_lastRowIndexVar != null) {
return _lastRowIndexVar;
}
ValueBinding vb = getValueBinding("lastRowIndexVar");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the style property.
*/
public void setStyle(String style) {
_style = style;
}
/**
* Return the value of the style property.
*/
public String getStyle() {
if (_style != null) {
return _style;
}
ValueBinding vb = getValueBinding("style");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the styleClass property.
*/
public void setStyleClass(String styleClass) {
_styleClass = styleClass;
}
/**
* Return the value of the styleClass property.
*/
public String getStyleClass() {
return Util.getQualifiedStyleClass(this,
_styleClass,
CSS_DEFAULT.DATA_PAGINATOR_BASE,
"styleClass",
isDisabled());
}
public String getBaseStyleClass() {
return CSS_DEFAULT.DATA_PAGINATOR_BASE;
}
/**
* Set the value of the paginator property.
*/
public void setPaginator(boolean paginator) {
_paginator = Boolean.valueOf(paginator);
}
/**
* Return the value of the paginator property.
*/
public boolean isPaginator() {
if (_paginator != null) {
return _paginator.booleanValue();
}
ValueBinding vb = getValueBinding("paginator");
Boolean v =
vb != null ? (Boolean) vb.getValue(getFacesContext()) : null;
return v != null ? v.booleanValue() : false;
}
/**
* Set the value of the paginatorMaxPages property.
*/
public void setPaginatorMaxPages(int paginatorMaxPages) {
_paginatorMaxPages = new Integer(paginatorMaxPages);
}
/**
* Return the value of the paginatorMaxPages property.
*/
public int getPaginatorMaxPages() {
if (_paginatorMaxPages != null) {
return _paginatorMaxPages.intValue();
}
ValueBinding vb = getValueBinding("paginatorMaxPages");
Integer v =
vb != null ? (Integer) vb.getValue(getFacesContext()) : null;
return v != null ? v.intValue() : Integer.MIN_VALUE;
}
/**
* Return the value of the paginatorTableClass
* property.
*/
public String getPaginatorTableClass() {
return Util.getQualifiedStyleClass(this,CSS_DEFAULT.PAGINATOR_TABLE_CLASS, isDisabled());
}
/**
* Return the value of the paginatorColumnClass
* property.
*/
public String getPaginatorColumnClass() {
return Util.getQualifiedStyleClass(this,CSS_DEFAULT.PAGINATOR_COLUMN_CLASS, isDisabled());
}
/**
* Return the value of the scrollButtonCellClass
* property.
*/
public String getscrollButtonCellClass() {
return Util.getQualifiedStyleClass(this,CSS_DEFAULT.DATA_PAGINATOR_SCROLL_BUTTON_CELL_CLASS, isDisabled());
}
/**
* Return the value of the paginatorActiveColumnClass
* property.
*/
public String getPaginatorActiveColumnClass() {
return Util.getQualifiedStyleClass(this, CSS_DEFAULT.PAGINATOR_ACTIVE_COLUMN_CLASS, isDisabled());
}
/**
* Set the value of the renderFacetsIfSinglePage
* property.
*/
public void setRenderFacetsIfSinglePage(boolean renderFacetsIfSinglePage) {
_renderFacetsIfSinglePage = Boolean.valueOf(renderFacetsIfSinglePage);
}
/**
* Return the value of the renderFacetsIfSinglePage
* property.
*/
public boolean isRenderFacetsIfSinglePage() {
if (_renderFacetsIfSinglePage != null) {
return _renderFacetsIfSinglePage.booleanValue();
}
ValueBinding vb = getValueBinding("renderFacetsIfSinglePage");
Boolean v =
vb != null ? (Boolean) vb.getValue(getFacesContext()) : null;
return v != null ? v.booleanValue() : true;
}
/**
* Set the value of the immediate property.
*/
public void setImmediate(boolean immediate) {
_immediate = Boolean.valueOf(immediate);
}
/**
* Return the value of the immediate property.
*/
public boolean isImmediate() {
if (_immediate != null) {
return _immediate.booleanValue();
}
ValueBinding vb = getValueBinding("immediate");
Boolean v =
vb != null ? (Boolean) vb.getValue(getFacesContext()) : null;
return v != null ? v.booleanValue() : DEFAULT_IMMEDIATE;
}
/**
* Set the value of the vertical property.
*/
public void setVertical(boolean vertical) {
_vertical = Boolean.valueOf(vertical);
}
/**
* Return the value of the vertical property.
*/
public boolean isVertical() {
if (_vertical != null) {
return _vertical.booleanValue();
}
ValueBinding vb = getValueBinding("vertical");
Boolean v =
vb != null ? (Boolean) vb.getValue(getFacesContext()) : null;
return v != null ? v.booleanValue() : DEFAULT_VERTICAL;
}
/**
* Return the value of the rendered property.
*/
public boolean isRendered() {
if (!Util.isRenderedOnUserRole(this)) {
return false;
}
return super.isRendered();
}
/**
* Gets the state of the instance as a Serializable
* Object.
*/
public Object saveState(FacesContext context) {
Object values[] = new Object[25];
values[0] = super.saveState(context);
values[1] = _for;
values[2] = _fastStep;
values[3] = _pageIndexVar;
values[4] = _pageCountVar;
values[5] = _rowsCountVar;
values[6] = _displayedRowsCountVar;
values[7] = _firstRowIndexVar;
values[8] = _lastRowIndexVar;
values[9] = _style;
values[10] = _styleClass;
values[11] = _columnClasses;
values[12] = _paginator;
values[13] = _paginatorMaxPages;
values[14] = _renderFacetsIfSinglePage;
values[15] = _immediate;
values[16] = saveAttachedState(context, _actionListener);
values[17] = _vertical;
values[18] = renderedOnUserRole;
values[19] = enabledOnUserRole;
values[20] = disabled;
values[21] = new Integer(oldRow);
values[22] = new Integer(pageIndex);
values[23] = keyboardNavigationEnabled;
values[24] = tabindex;
return values;
}
/**
* Perform any processing required to restore the state from the entries
* in the state Object.
*/
public void restoreState(FacesContext context, Object state) {
Object values[] = (Object[]) state;
super.restoreState(context, values[0]);
_for = (String) values[1];
_fastStep = (Integer) values[2];
_pageIndexVar = (String) values[3];
_pageCountVar = (String) values[4];
_rowsCountVar = (String) values[5];
_displayedRowsCountVar = (String) values[6];
_firstRowIndexVar = (String) values[7];
_lastRowIndexVar = (String) values[8];
_style = (String) values[9];
_styleClass = (String) values[10];
_columnClasses = (String) values[11];
_paginator = (Boolean) values[12];
_paginatorMaxPages = (Integer) values[13];
_renderFacetsIfSinglePage = (Boolean) values[14];
_immediate = (Boolean) values[15];
_actionListener =
(MethodBinding) restoreAttachedState(context, values[16]);
_vertical = (Boolean) values[17];
renderedOnUserRole = (String)values[18];
enabledOnUserRole = (String)values[19];
disabled = (Boolean)values[20];
oldRow = ((Integer) values[21]).intValue();
pageIndex = ((Integer) values[22]).intValue();
keyboardNavigationEnabled = (Boolean) values[23];
tabindex = (Integer) values[24];
}
/**
* Sets the dataPaginator to the first page
*/
public void gotoFirstPage() {
getUIData().setFirst(0);
UIData uiData = getUIData();
DataPaginatorGroup.execute(uiData, new DataPaginatorGroup.Invoker() {
public void invoke(DataPaginator dataPaginator) {
dataPaginator.setPageIndex(1);
}
});
}
/**
* Sets the dataPaginator to the previous page
*/
public void gotoPreviousPage() {
if (isModelResultSet()) {
int first = getUIData().getFirst() - getUIData().getRows();
if (first < 0) {
first = 0;
}
getUIData().setFirst(first);
} else {
int previous = getUIData().getFirst() - getUIData().getRows();
int rowCount = getRowCount();
if (previous >= 0) {
if (previous > rowCount) {
previous = rowCount;
}
getUIData().setFirst(previous);
}
}
}
/**
* Sets the dataPaginator to the next page
*/
public void gotoNextPage() {
int next = getUIData().getFirst() + getUIData().getRows();
if (isModelResultSet()) {
getUIData().setRowIndex(next);
if (getUIData().isRowAvailable()) {
getUIData().setFirst(next);
}
} else {
if (next < getUIData().getRowCount()) {
getUIData().setFirst(next);
}
}
}
/**
* Sets the dataPaginator to the (n) number of pages forward, defined by the
* fastStep property
*/
public void gotoFastForward() {
int fastStep = getFastStep();
if (fastStep <= 0) {
fastStep = 1;
}
int next = getUIData().getFirst() + getUIData().getRows() * fastStep;
int rowcount = getUIData().getRowCount();
if (next >= rowcount) {
next = (rowcount - 1) - ((rowcount - 1) % getUIData().getRows());
}
getUIData().setFirst(next);
}
/**
* Sets the dataPaginator to the (n) number of pages back, defined by the
* fastStep property
*/
public void gotoFastRewind() {
int fastStep = getFastStep();
if (fastStep <= 0) {
fastStep = 1;
}
int previous =
getUIData().getFirst() - getUIData().getRows() * fastStep;
if (previous < 0) {
previous = 0;
}
getUIData().setFirst(previous);
}
/**
* Sets the dataPaginator to the last page
*/
public void gotoLastPage() {
if (isModelResultSet()) {
int first = getUIData().getFirst();
while (true) {
getUIData().setRowIndex(first + 1);
if (getUIData().isRowAvailable()) {
first++;
} else {
break;
}
}
getUIData().setFirst(first - (first % getUIData().getRows()));
} else {
int rowcount = getUIData().getRowCount();
int rows = getUIData().getRows();
int delta = rowcount % rows;
int first = delta > 0 && delta < rows ? rowcount - delta :
rowcount - rows;
if (first >= 0) {
getUIData().setFirst(first);
} else {
getUIData().setFirst(0);
}
}
}
/**
* Return a boolean value, whether current page is the last page
*/
public boolean isLastPage() {
return (getPageIndex() >= getPageCount()) ? true : false;
}
private String enabledOnUserRole = null;
private String renderedOnUserRole = null;
/**
* Set the value of the enabledOnUserRole property.
*/
public void setEnabledOnUserRole(String enabledOnUserRole) {
this.enabledOnUserRole = enabledOnUserRole;
}
/**
* Return the value of the enabledOnUserRole property.
*/
public String getEnabledOnUserRole() {
if (enabledOnUserRole != null) {
return enabledOnUserRole;
}
ValueBinding vb = getValueBinding("enabledOnUserRole");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
/**
* Set the value of the renderedOnUserRole property.
*/
public void setRenderedOnUserRole(String renderedOnUserRole) {
this.renderedOnUserRole = renderedOnUserRole;
}
/**
* Return the value of the renderedOnUserRole property.
*/
public String getRenderedOnUserRole() {
if (renderedOnUserRole != null) {
return renderedOnUserRole;
}
ValueBinding vb = getValueBinding("renderedOnUserRole");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
private transient Boolean modelResultSet = null;
public boolean isModelResultSet() {
if (modelResultSet == null) {
if (getUIData().getValue() instanceof ResultSet) {
modelResultSet = Boolean.TRUE;
} else {
if (getUIData()
.getValue() instanceof javax.faces.model.DataModel) {
javax.faces.model.DataModel dataModel =
(javax.faces.model.DataModel) getUIData()
.getValue();
if (dataModel.getRowCount() == -1) {
modelResultSet = Boolean.TRUE;
return modelResultSet.booleanValue();
}
}
modelResultSet = Boolean.FALSE;
}
}
return modelResultSet.booleanValue();
}
public boolean isKeyboardNavigationEnabled() {
if (keyboardNavigationEnabled != null) {
return keyboardNavigationEnabled.booleanValue();
}
ValueBinding vb = getValueBinding("keyboardNavigationEnabled");
Boolean boolVal = vb != null ?
(Boolean) vb.getValue(getFacesContext()) : null;
return boolVal != null ? boolVal.booleanValue() : true;
}
public void setKeyboardNavigationEnabled(boolean keyboardNavigationEnabled) {
this.keyboardNavigationEnabled = new Boolean(keyboardNavigationEnabled);
}
public void decode(FacesContext context) {
//each cycle can have new component
DataPaginatorGroup.add(context, this);
super.decode(context);
}
/**
* Set the value of the tabindex property.
*/
public void setTabindex(int tabindex) {
this.tabindex = new Integer(tabindex);
}
/**
* Return the value of the fastStep property.
*/
public int getTabindex() {
if (tabindex != null) {
return tabindex.intValue();
}
ValueBinding vb = getValueBinding("tabindex");
Integer v =
vb != null ? (Integer) vb.getValue(getFacesContext()) : null;
return v != null ? v.intValue() : Integer.MIN_VALUE;
}
}