/*
* Copyright 2015 JBoss, by Red Hat, Inc
*
* 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.uberfire.ext.widgets.common.client.tables;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.AbstractDataProvider;
import com.google.gwt.view.client.ProvidesKey;
import org.gwtbootstrap3.client.ui.ListBox;
import org.uberfire.ext.services.shared.preferences.GridGlobalPreferences;
import org.uberfire.ext.services.shared.preferences.GridPreferencesStore;
import org.uberfire.ext.widgets.table.client.PagedTableHelper;
import org.uberfire.ext.widgets.table.client.UberfireSimplePager;
/**
* Paged Table Widget that stores user preferences.
* If you doesn't need persist the preferences,
* take a look at UberfirePagedTable.
*/
public class PagedTable<T>
extends SimpleTable<T> {
public static final int DEFAULT_PAGE_SIZE = 10;
private static Binder uiBinder = GWT.create(Binder.class);
@UiField
public UberfireSimplePager pager;
@UiField
public ListBox pageSizesSelector;
protected boolean showPageSizesSelector = false;
private int pageSize;
private AbstractDataProvider<T> dataProvider;
public PagedTable() {
this(DEFAULT_PAGE_SIZE);
}
public PagedTable(final int pageSize) {
this(pageSize,
null);
}
public PagedTable(final int pageSize,
final ProvidesKey<T> providesKey) {
this(pageSize,
providesKey,
null);
}
public PagedTable(final int pageSize,
final ProvidesKey<T> providesKey,
final GridGlobalPreferences gridGlobalPreferences) {
this(pageSize,
providesKey,
gridGlobalPreferences,
false);
}
public PagedTable(final int pageSize,
final ProvidesKey<T> providesKey,
final GridGlobalPreferences gridGlobalPreferences,
final boolean showPageSizesSelector) {
this(pageSize,
providesKey,
gridGlobalPreferences,
showPageSizesSelector,
false,
false);
}
public PagedTable(final int pageSize,
final ProvidesKey<T> providesKey,
final GridGlobalPreferences gridGlobalPreferences,
final boolean showPageSizesSelector,
final boolean showFFButton,
final boolean showLButton) {
super(providesKey,
gridGlobalPreferences);
this.showPageSizesSelector = showPageSizesSelector;
this.pageSize = pageSize;
this.dataGrid.setPageSize(pageSize);
PagedTableHelper.setSelectedValue(pageSizesSelector,
String.valueOf(pageSize));
this.pager.setDisplay(dataGrid);
this.pageSizesSelector.setVisible(this.showPageSizesSelector);
setShowFastFordwardPagerButton(showFFButton);
setShowLastPagerButton(showLButton);
createPageSizesListBox(5,
20,
5);
}
@Override
protected Widget makeWidget() {
return uiBinder.createAndBindUi(this);
}
public AbstractDataProvider<T> getDataProvider() {
return dataProvider;
}
public void setDataProvider(final AbstractDataProvider<T> dataProvider) {
this.dataProvider = dataProvider;
this.dataProvider.addDataDisplay(this);
}
public int getPageSize() {
return this.pageSize;
}
public int getPageStart() {
return this.pager.getPageStart();
}
public final void loadPageSizePreferences() {
pageSize = getPageSizeStored();
this.dataGrid.setPageSize(pageSize);
this.pager.setPageSize(pageSize);
this.dataGrid.setHeight(((pageSize == 0 ? 1 : pageSize) * 30 + 10) + "px");
}
public void createPageSizesListBox(int minPageSize,
int maxPageSize,
int incPageSize) {
pageSizesSelector.clear();
PagedTableHelper.setSelectIndexOnPageSizesSelector(minPageSize,
maxPageSize,
incPageSize,
pageSizesSelector,
pageSize);
pageSizesSelector.addChangeHandler(event -> {
storePageSizeInGridPreferences(Integer.parseInt(pageSizesSelector.getSelectedValue()));
loadPageSizePreferences();
});
loadPageSizePreferences();
}
public void setShowLastPagerButton(boolean showLastPagerButton) {
this.pager.setShowLastPageButton(showLastPagerButton);
}
public void setShowFastFordwardPagerButton(boolean showFastFordwardPagerButton) {
this.pager.setShowFastFordwardPageButton(showFastFordwardPagerButton);
}
private void storePageSizeInGridPreferences(int pageSize) {
GridPreferencesStore gridPreferencesStore = super.getGridPreferencesStore();
if (gridPreferencesStore != null) {
gridPreferencesStore.setPageSizePreferences(pageSize);
super.saveGridPreferences();
}
this.pageSize = pageSize;
}
private int getPageSizeStored() {
GridPreferencesStore gridPreferencesStore = super.getGridPreferencesStore();
if (gridPreferencesStore != null) {
return gridPreferencesStore.getPageSizePreferences();
}
return pageSize;
}
private void resetPageSize() {
GridPreferencesStore gridPreferencesStore = super.getGridPreferencesStore();
if (gridPreferencesStore != null) {
gridPreferencesStore.resetPageSizePreferences();
storePageSizeInGridPreferences(gridPreferencesStore.getGlobalPreferences().getPageSize());
loadPageSizePreferences();
}
}
interface Binder
extends
UiBinder<Widget, PagedTable> {
}
}