com.premiumminds.webapp.wicket.bootstrap.BootstrapPaginator Maven / Gradle / Ivy
/**
* Copyright (C) 2014 Premium Minds.
*
* This file is part of pm-wicket-utils.
*
* pm-wicket-utils 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 3 of the License, or (at your option) any
* later version.
*
* pm-wicket-utils 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 pm-wicket-utils. If not, see {
private static final long serialVersionUID = -5991811031611368885L;
/*booleans to control if the component should be showned*/
private boolean showFirstButton = true;
private boolean showLastButton = true;
private boolean showNextButton = true;
private boolean showPreviousButton = true;
private boolean showMorePagesInformation = false;
/*booleans to control if the component should be hidden in specific cases*/
private boolean hiddenFirstButton = false;
private boolean hiddenLastButton = false;
private boolean hiddenPreviousButton = false;
private boolean hiddenNextButton = false;
private int pagesToShow = 5;
private IModel pageNumberModel;
private IModel totalResults;
private int numberResultsPerPage = 10;
private int threshold=0;
public BootstrapPaginator(String id) {
super(id);
setOutputMarkupId(true);
pagesToShow = Math.max(3, pagesToShow);
pageNumberModel = new Model(0);
add(new SquaresContainer("first"){
@Override
protected void onConfigure() {
super.onConfigure();
setEnabled(pageNumberModel.getObject()>0);
setVisible(showFirstButton && (!hiddenFirstButton || threshold>0));
}
}.add(new AjaxLink("link"){
@Override
public void onClick(AjaxRequestTarget target) {
setPage(0);
target.add(BootstrapPaginator.this);
onPageChange(target, pageNumberModel);
}
}));
add(new SquaresContainer("previous"){
@Override
protected void onConfigure() {
super.onConfigure();
setEnabled(pageNumberModel.getObject()>0);
setVisible(showPreviousButton && (!hiddenPreviousButton || pageNumberModel.getObject()>0));
}
}.add(new AjaxLink("link"){
@Override
public void onClick(AjaxRequestTarget target) {
setPage(pageNumberModel.getObject()-1);
target.add(BootstrapPaginator.this);
onPageChange(target, pageNumberModel);
}
}));
add(new SquaresContainer("next"){
@Override
protected void onConfigure() {
super.onConfigure();
setEnabled(pageNumberModel.getObject()("link"){
@Override
public void onClick(AjaxRequestTarget target) {
setPage(pageNumberModel.getObject()+1);
target.add(BootstrapPaginator.this);
onPageChange(target, pageNumberModel);
}
}));
add(new SquaresContainer("last"){
@Override
protected void onConfigure() {
super.onConfigure();
setEnabled(pageNumberModel.getObject()("link"){
@Override
public void onClick(AjaxRequestTarget target) {
setPage(getTotalPages()-1);
target.add(BootstrapPaginator.this);
onPageChange(target, pageNumberModel);
}
}));
add(new WebMarkupContainer("previousPages"){
@Override
protected void onConfigure() {
super.onConfigure();
setVisible(showMorePagesInformation && threshold>0);
}
});
add(new WebMarkupContainer("nextPages"){
@Override
protected void onConfigure() {
super.onConfigure();
setVisible(showMorePagesInformation && threshold<(getTotalPages()-pagesToShow));
}
});
IModel pages = new LoadableDetachableModel() {
@Override
protected Integer load() {
return Math.min(getTotalPages(), pagesToShow);
}
};
add(new Loop("page", pages) {
@Override
protected void populateItem(final LoopItem item) {
item.add(AttributeModifier.append("class", new LoadableDetachableModel() {
@Override
protected String load() {
return item.getIndex()+threshold==pageNumberModel.getObject() ? "active" : "";
}
}));
item.add(new AjaxLink("link") {
@Override
protected void onConfigure() {
super.onConfigure();
};
@Override
public void onClick(AjaxRequestTarget target) {
setPage(item.getIndex()+threshold);
target.add(BootstrapPaginator.this);
onPageChange(target, pageNumberModel);
}
}.add(new Label("label", new LoadableDetachableModel() {
@Override
protected Integer load() {
return item.getIndex()+threshold+1;
}
})));
}
});
}
private void setPage(int page){
pageNumberModel.setObject(page);
if(page>pagesToShow-2) threshold=(int) Math.max(Math.min(page-(Math.floor(pagesToShow/2)), getTotalPages()-pagesToShow), 0);
if(page>getTotalPages()-pagesToShow) threshold=getTotalPages()-pagesToShow;
if(page() {
@Override
protected String load() {
return isEnabled() ? "" : "disabled";
}
}));
}
}
@Override
public IModel getModel() {
return pageNumberModel;
}
@Override
public Integer getModelObject() {
return pageNumberModel.getObject();
}
@Override
public void setModel(IModel model) {
pageNumberModel=model;
setPage(pageNumberModel.getObject());
}
@Override
public void setModelObject(Integer page) {
pageNumberModel.setObject(page);
setPage(pageNumberModel.getObject());
}
public boolean isShowFirstButton() {
return showFirstButton;
}
public void setShowFirstButton(boolean showFirstButton) {
this.showFirstButton = showFirstButton;
}
public boolean isShowLastButton() {
return showLastButton;
}
public void setShowLastButton(boolean showLastButton) {
this.showLastButton = showLastButton;
}
public boolean isShowNextButton() {
return showNextButton;
}
public void setShowNextButton(boolean showNextButton) {
this.showNextButton = showNextButton;
}
public boolean isShowPreviousButton() {
return showPreviousButton;
}
public void setShowPreviousButton(boolean showPreviousButton) {
this.showPreviousButton = showPreviousButton;
}
public int getPagesToShow() {
return pagesToShow;
}
public void setPagesToShow(int pagesToShow) {
this.pagesToShow = pagesToShow;
setPage(pageNumberModel.getObject());
}
public int getTotalPages() {
return (int) Math.ceil(totalResults.getObject()/ (double) numberResultsPerPage);
}
public boolean isHiddenFirstButton() {
return hiddenFirstButton;
}
public void setHiddenFirstButton(boolean hiddenFirstButton) {
this.hiddenFirstButton = hiddenFirstButton;
}
public boolean isHiddenLastButton() {
return hiddenLastButton;
}
public void setHiddenLastButton(boolean hiddenLastButton) {
this.hiddenLastButton = hiddenLastButton;
}
public boolean isHiddenPreviousButton() {
return hiddenPreviousButton;
}
public void setHiddenPreviousButton(boolean hiddenPreviousButton) {
this.hiddenPreviousButton = hiddenPreviousButton;
}
public boolean isHiddenNextButton() {
return hiddenNextButton;
}
public void setHiddenNextButton(boolean hiddenNextButton) {
this.hiddenNextButton = hiddenNextButton;
}
public abstract void onPageChange(AjaxRequestTarget target, IModel page);
public IModel getTotalResults() {
return totalResults;
}
public void setTotalResults(IModel totalResults) {
this.totalResults = totalResults;
}
public int getNumberResultsPerPage() {
return numberResultsPerPage;
}
public void setNumberResultsPerPage(int numberResultsPerPage) {
this.numberResultsPerPage = numberResultsPerPage;
}
public int getCurrentIndex(){
return this.pageNumberModel.getObject() * numberResultsPerPage;
}
}