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package com.vaadin.tests.components.table;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Button;
import com.vaadin.v7.data.util.BeanItemContainer;
import com.vaadin.v7.ui.Table;
/**
* Scroll position should be restored when removing and re-adding all rows in
* Table.
*
* @author Vaadin Ltd
*/
public class TableRepairsScrollPositionOnReAddingAllRows
extends AbstractReindeerTestUI {
private static final long serialVersionUID = 1L;
@Override
protected void setup(VaadinRequest request) {
final BeanItemContainer<TableItem> cont = new BeanItemContainer<>(
TableItem.class);
final List<TableItem> restoringItemList = new ArrayList<>();
final Table table = new Table();
table.setWidth("400px");
table.setPageLength(-1);
table.setContainerDataSource(cont);
table.setSelectable(true);
Button buttonRestore = new Button("Restore table rows");
buttonRestore.setId("buttonRestore");
buttonRestore.addClickListener(event -> {
cont.removeAllItems();
cont.addAll(restoringItemList);
});
Button buttonReAddAllViaAddAll = new Button("Re-add rows all at once");
buttonReAddAllViaAddAll.setId("buttonReAddAllViaAddAll");
buttonReAddAllViaAddAll.addClickListener(event -> {
List<TableItem> originalItemIds = new ArrayList<>(
cont.getItemIds());
cont.removeAllItems();
cont.addAll(originalItemIds);
});
Button buttonReplaceByAnotherCollectionViaAddAll = new Button(
"Replace by another items (via addAll())");
buttonReplaceByAnotherCollectionViaAddAll
.setId("buttonReplaceByAnotherCollectionViaAddAll");
buttonReplaceByAnotherCollectionViaAddAll.addClickListener(event -> {
cont.removeAllItems();
// create new collection (of different items) with other
// size
List<TableItem> itemList = new ArrayList<>();
for (int i = 0; i < 79; i++) {
TableItem ti = new TableItem();
ti.setName("AnotherItem1_" + i);
itemList.add(ti);
}
cont.addAll(itemList);
});
Button buttonReplaceByAnotherCollectionViaAdd = new Button(
"Replace by another items (via add(), add()..)");
buttonReplaceByAnotherCollectionViaAdd
.setId("buttonReplaceByAnotherCollectionViaAdd");
buttonReplaceByAnotherCollectionViaAdd.addClickListener(event -> {
cont.removeAllItems();
for (int i = 0; i < 81; i++) {
TableItem ti = new TableItem();
ti.setName("AnotherItem2_" + i);
// add one by one in container
cont.addBean(ti);
}
});
Button buttonReplaceBySubsetOfSmallerSize = new Button(
"Replace rows by sub-set of smaller size (size not enought for restoring scroll position)");
buttonReplaceBySubsetOfSmallerSize
.setId("buttonReplaceBySubsetOfSmallerSize");
buttonReplaceBySubsetOfSmallerSize.addClickListener(event -> {
cont.removeAllItems();
cont.addAll(restoringItemList.subList(0, 20));
});
Button buttonReplaceByWholeSubsetPlusOneNew = new Button(
"Replace rows by whole subset plus one new item");
buttonReplaceByWholeSubsetPlusOneNew
.setId("buttonReplaceByWholeSubsetPlusOneNew");
buttonReplaceByWholeSubsetPlusOneNew.addClickListener(event -> {
cont.removeAllItems();
List<TableItem> list = new ArrayList<>(restoringItemList);
TableItem ti = new TableItem();
ti.setName("AnotherItem3_" + 80);
list.add(ti);
cont.addAll(list);
});
Button buttonRemoveAllAddOne = new Button(
"Remove all items and add only one new item");
buttonRemoveAllAddOne.setId("buttonRemoveAllAddOne");
buttonRemoveAllAddOne.addClickListener(event -> {
cont.removeAllItems();
TableItem ti = new TableItem();
ti.setName("Item_" + 20);
cont.addBean(ti);
});
// This should be the last test as it changes the table datasource
Button buttonReplaceByNewDatasource = new Button(
"Remove all items and add new datasource");
buttonReplaceByNewDatasource.setId("buttonReplaceByNewDatasource");
buttonReplaceByNewDatasource.addClickListener(event -> {
cont.removeAllItems();
BeanItemContainer<TableItem> newContainer = new BeanItemContainer<>(
TableItem.class);
for (int i = 0; i < 50; i++) {
TableItem ti = new TableItem();
ti.setName("Item_" + i);
newContainer.addBean(ti);
}
table.setContainerDataSource(newContainer);
});
for (int i = 0; i < 80; i++) {
TableItem ti = new TableItem();
ti.setName("Item_" + i);
restoringItemList.add(ti);
cont.addBean(ti);
}
getLayout().addComponent(buttonReAddAllViaAddAll);
getLayout().addComponent(buttonReplaceByAnotherCollectionViaAddAll);
getLayout().addComponent(buttonReplaceByAnotherCollectionViaAdd);
getLayout().addComponent(buttonReplaceBySubsetOfSmallerSize);
getLayout().addComponent(buttonReplaceByWholeSubsetPlusOneNew);
getLayout().addComponent(buttonRemoveAllAddOne);
getLayout().addComponent(buttonReplaceByNewDatasource);
getLayout().addComponent(buttonRestore);
getLayout().addComponent(table);
}
public class TableItem implements Serializable {
private static final long serialVersionUID = -745849615488792221L;
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
@Override
protected Integer getTicketNumber() {
return 14581;
}
@Override
protected String getTestDescription() {
return "The scroll position should not be changed if removing and re-adding all rows in Table.";
}
}
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