222 lines
6.9 KiB
Java
222 lines
6.9 KiB
Java
package org.gcube.portlets.widgets.wsexplorer.client.view.grid;
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import java.util.List;
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import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerController;
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import org.gcube.portlets.widgets.wsexplorer.client.event.ClickItemEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.resources.CellTableResources;
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import org.gcube.portlets.widgets.wsexplorer.shared.Item;
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import com.github.gwtbootstrap.client.ui.CellTable;
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import com.github.gwtbootstrap.client.ui.Pagination;
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import com.google.gwt.core.client.Scheduler.ScheduledCommand;
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import com.google.gwt.core.shared.GWT;
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import com.google.gwt.dom.client.Style.BorderStyle;
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import com.google.gwt.event.dom.client.ContextMenuEvent;
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import com.google.gwt.event.dom.client.ContextMenuHandler;
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import com.google.gwt.event.dom.client.DoubleClickEvent;
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import com.google.gwt.event.dom.client.DoubleClickHandler;
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import com.google.gwt.user.cellview.client.AbstractCellTable;
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import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
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import com.google.gwt.user.cellview.client.SimplePager;
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import com.google.gwt.user.client.Event;
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import com.google.gwt.user.client.ui.DialogBox;
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import com.google.gwt.user.client.ui.MenuBar;
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import com.google.gwt.user.client.ui.MenuItem;
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import com.google.gwt.view.client.ListDataProvider;
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import com.google.gwt.view.client.SelectionChangeEvent;
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import com.google.gwt.view.client.SelectionChangeEvent.Handler;
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import com.google.gwt.view.client.SingleSelectionModel;
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/**
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* The Class AbstractItemTable.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Feb 19, 2015
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*/
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public abstract class AbstractItemsCellTable {
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protected CellTable<Item> cellTable;
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protected ListDataProvider<Item> dataProvider = new ListDataProvider<Item>();
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protected Item itemContextMenu = null;
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protected boolean showMoreInfo;
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protected final SingleSelectionModel<Item> ssm;
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/**
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* Inits the table.
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*
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* @param ItemTable
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* the Item table
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* @param pager
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* the pager
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* @param pagination
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* the pagination
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*/
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public abstract void initTable(AbstractCellTable<Item> ItemTable, final SimplePager pager, final Pagination pagination);
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/**
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* Instantiates a new abstract items cell table.
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*
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* @param fireMoreInfo the fire more info
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*/
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public AbstractItemsCellTable(boolean fireOnClick) {
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this.showMoreInfo = fireOnClick;
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cellTable = new CellTable<Item>(1, CellTableResources.INSTANCE);
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cellTable.addStyleName("table-overflow");
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cellTable.setStriped(true);
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cellTable.setCondensed(true);
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cellTable.setWidth("100%", true);
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dataProvider.addDataDisplay(cellTable);
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initTable(cellTable, null, null);
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cellTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
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ssm = new SingleSelectionModel<Item>();
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cellTable.setSelectionModel(ssm);
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ssm.addSelectionChangeHandler(new Handler() {
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@Override
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public void onSelectionChange(final SelectionChangeEvent event)
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{
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final Item selectedObject = ssm.getSelectedObject();
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if(selectedObject!=null){
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GWT.log("Clicked: "+selectedObject);
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// selectedItem(selectedObject);
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if(showMoreInfo)
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WorkspaceExplorerController.eventBus.fireEvent(new ClickItemEvent(selectedObject));
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}
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}
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});
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cellTable.addDomHandler(new DoubleClickHandler() {
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@Override
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public void onDoubleClick(final DoubleClickEvent event) {
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Item selected = ssm.getSelectedObject();
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if (selected != null) {
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GWT.log("Double Click: "+selected);
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WorkspaceExplorerController.eventBus.fireEvent(new org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEvent(selected));
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}
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}
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},
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DoubleClickEvent.getType());
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/*
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cellTable.addCellPreviewHandler(new CellPreviewEvent.Handler<Item> () {
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long lastClick=-1000;
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@Override
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public void onCellPreview(CellPreviewEvent<Item> event) {
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long clictAt = System.currentTimeMillis();
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GWT.log("clickAt: "+(clictAt));
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GWT.log("lastClick: "+(lastClick));
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if(event.getNativeEvent().getType().contains("click")){
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GWT.log(""+(clictAt-lastClick));
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if(clictAt-lastClick < 300) { // dblclick on 2 clicks detected within 300 ms
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Window.alert("I am a double click crafted event!");
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}
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lastClick = System.currentTimeMillis();
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}
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}
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}); */
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MenuBar options = new MenuBar(true);
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ScheduledCommand openCommand = new ScheduledCommand() {
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@Override
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public void execute() {
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WorkspaceExplorerController.eventBus.fireEvent(new org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEvent(itemContextMenu));
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}
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};
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MenuItem openItem = new MenuItem("Open", openCommand);
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options.addItem(openItem);
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final DialogBox menuWrapper = new DialogBox(true);
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menuWrapper.getElement().getStyle().setBorderStyle(BorderStyle.NONE);
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menuWrapper.getElement().getStyle().setZIndex(10000);
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menuWrapper.add(options);
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cellTable.sinkEvents(Event.ONCONTEXTMENU);
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cellTable.addHandler(new ContextMenuHandler() {
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@Override
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public void onContextMenu(ContextMenuEvent event) {
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GWT.log("On Context Menu: " + event.getNativeEvent().getEventTarget().toString());
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Item selectedObject = (Item) event.getSource();
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itemContextMenu = selectedObject;
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if (selectedObject != null && selectedObject.isFolder()) {
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event.preventDefault();
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event.stopPropagation();
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menuWrapper.setPopupPosition(event.getNativeEvent().getClientX(), event.getNativeEvent().getClientY());
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menuWrapper.show();
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}
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}
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}, ContextMenuEvent.getType());
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// ssm.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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//
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// @Override
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// public void onSelectionChange(SelectionChangeEvent event) {
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// // changed the context menu selection
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// GWT.log("Selected item is" + ssm.getSelectedObject());
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//
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// }
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// });
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}
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/**
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* Adds the Items.
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*
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* @param Items
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* the Items
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*/
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public void addItems(List<Item> Items) {
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dataProvider.getList().clear();
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for (Item pckg : Items)
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addItem(pckg);
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cellTable.setPageSize(Items.size() + 1);
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cellTable.redraw();
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}
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/**
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* Adds the Item.
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*
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* @param pckg
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* the pckg
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*/
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private void addItem(Item pckg) {
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dataProvider.getList().add(pckg);
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dataProvider.flush();
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dataProvider.refresh();
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}
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/**
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* Gets the cell tables.
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*
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* @return the cell tables
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*/
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public CellTable<Item> getCellTable() {
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return cellTable;
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}
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/**
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* Gets the data provider.
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*
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* @return the data provider
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*/
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public ListDataProvider<Item> getDataProvider() {
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return dataProvider;
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}
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/**
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* Sets the data provider.
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*
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* @param dataProvider
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* the new data provider
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*/
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public void setDataProvider(ListDataProvider<Item> dataProvider) {
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this.dataProvider = dataProvider;
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}
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}
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