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package com.vaadin.tests.components.treegrid;
import com.vaadin.data.TreeData;
import com.vaadin.data.provider.TreeDataProvider;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.ui.grid.HeightMode;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.Label;
import com.vaadin.ui.TreeGrid;
import com.vaadin.ui.VerticalLayout;
public class TreeGridCache extends AbstractTestUI {
@Override
protected void setup(VaadinRequest request) {
Button button1 = new Button("Add TreeGrid1",
e -> addComponent(addTreeGrid1()));
button1.setId("button1");
addComponent(button1);
Button button2 = new Button("Add TreeGrid2",
e -> addComponent(addTreeGrid2()));
button2.setId("button2");
addComponent(button2);
}
private TreeGrid<Integer> addTreeGrid1() {
TreeData<Integer> treeData = new TreeData<>();
treeData.addItems(null, 10, 5);
treeData.addItems(10, 9, 8, 7, 6);
treeData.addItems(5, 4, 3, 2, 1);
treeData.addItems(1, 0, -1, -2, -3, -4);
TreeDataProvider<Integer> treeDataProvider = new TreeDataProvider<>(
treeData);
TreeGrid<Integer> tree = new TreeGrid<>();
tree.setCaption("TreeGrid1");
tree.setHeightMode(HeightMode.ROW);
tree.setHeightByRows(11);
tree.setDataProvider(treeDataProvider);
tree.addComponentColumn(integer -> {
VerticalLayout verticalLayout = new VerticalLayout();
verticalLayout.addComponent(new Label(integer.toString()));
return verticalLayout;
});
tree.addColumn(i -> String.valueOf(i));
treeDataProvider.refreshAll();
return tree;
}
private TreeGrid<TestBean> addTreeGrid2() {
TestBean parent = null;
TreeGrid<TestBean> tree = new TreeGrid<>(TestBean.class);
tree.setCaption("TreeGrid2");
tree.setColumns("key", "value");
tree.setHierarchyColumn("key");
TreeData<TestBean> treeData = new TreeData<>();
for (int i = 0; i < 2; i++) {
TestBean val = new TestBean("root" + i, " root value " + i);
treeData.addItem(parent, val);
for (int j = 0; j < 10; j++) {
TestBean v = new TestBean("leaf" + j, "leaf value" + j);
treeData.addItem(val, v);
}
}
TreeDataProvider<TestBean> dataProvider = new TreeDataProvider<>(
treeData);
tree.setDataProvider(dataProvider);
tree.setHeight("500px");
return tree;
}
@Override
protected String getTestDescription() {
return "Cache should cover more than 4 x the initial row amount after rows have been expanded. "
+ "Clicking on a row beyond that should not cause an exception.";
}
@Override
protected Integer getTicketNumber() {
return 11749;
}
public class TestBean {
private String key;
private String value;
public TestBean(String key, String value) {
this.key = key;
this.value = value;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
}
}
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