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package com.vaadin.tests.components.treegrid;
import java.util.ArrayList;
import java.util.List;
import com.vaadin.annotations.Theme;
import com.vaadin.data.TreeData;
import com.vaadin.data.provider.TreeDataProvider;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.TreeGrid;
@Theme("valo")
public class TreeGridBigDetailsManager extends AbstractTestUI {
private TreeGrid<String> treeGrid;
private TreeDataProvider<String> treeDataProvider;
private List<String> items = new ArrayList<String>();
private void initializeDataProvider() {
TreeData<String> data = new TreeData<>();
for (int i = 0; i < 100; i++) {
String root = "Root " + i;
items.add(root);
data.addItem(null, root);
for (int j = 0; j < 10; j++) {
String branch = "Branch " + i + "/" + j;
items.add(branch);
data.addItem(root, branch);
for (int k = 0; k < 3; k++) {
String leaf = "Leaf " + i + "/" + j + "/" + k;
items.add(leaf);
data.addItem(branch, leaf);
}
}
}
treeDataProvider = new TreeDataProvider<>(data);
}
@Override
protected void setup(VaadinRequest request) {
initializeDataProvider();
treeGrid = new TreeGrid<>();
treeGrid.setDataProvider(treeDataProvider);
treeGrid.setSizeFull();
treeGrid.addColumn(String::toString).setCaption("String")
.setId("string");
treeGrid.addColumn((i) -> items.indexOf(i)).setCaption("Index");
treeGrid.setHierarchyColumn("string");
treeGrid.setDetailsGenerator(
row -> new Label("details for " + row.toString()));
treeGrid.addItemClickListener(event -> {
treeGrid.setDetailsVisible(event.getItem(),
!treeGrid.isDetailsVisible(event.getItem()));
});
Button showDetails = new Button("Show all details", event -> {
for (String id : items) {
treeGrid.setDetailsVisible(id, true);
}
});
showDetails.setId("showDetails");
Button hideDetails = new Button("Hide all details", event -> {
for (String id : items) {
treeGrid.setDetailsVisible(id, false);
}
});
hideDetails.setId("hideDetails");
Button expandAll = new Button("Expand all", event -> {
treeGrid.expand(items);
});
expandAll.setId("expandAll");
Button collapseAll = new Button("Collapse all", event -> {
treeGrid.collapse(items);
});
collapseAll.setId("collapseAll");
@SuppressWarnings("deprecation")
Button scrollTo55 = new Button("Scroll to 55",
event -> treeGrid.scrollTo(55));
scrollTo55.setId("scrollTo55");
scrollTo55.setVisible(false);
Button scrollTo3055 = new Button("Scroll to 3055",
event -> treeGrid.scrollTo(3055));
scrollTo3055.setId("scrollTo3055");
scrollTo3055.setVisible(false);
Button scrollToEnd = new Button("Scroll to end",
event -> treeGrid.scrollToEnd());
scrollToEnd.setId("scrollToEnd");
scrollToEnd.setVisible(false);
Button scrollToStart = new Button("Scroll to start",
event -> treeGrid.scrollToStart());
scrollToStart.setId("scrollToStart");
scrollToStart.setVisible(false);
Button toggle15 = new Button("Toggle 15",
event -> treeGrid.setDetailsVisible(items.get(15),
!treeGrid.isDetailsVisible(items.get(15))));
toggle15.setId("toggle15");
toggle15.setVisible(false);
Button toggle3000 = new Button("Toggle 3000",
event -> treeGrid.setDetailsVisible(items.get(3000),
!treeGrid.isDetailsVisible(items.get(3000))));
toggle3000.setId("toggle3000");
toggle3000.setVisible(false);
Button addGrid = new Button("Add grid", event -> {
addComponent(treeGrid);
getLayout().setExpandRatio(treeGrid, 2);
scrollTo55.setVisible(true);
scrollTo3055.setVisible(true);
scrollToEnd.setVisible(true);
scrollToStart.setVisible(true);
toggle15.setVisible(true);
toggle3000.setVisible(true);
});
addGrid.setId("addGrid");
addComponents(
new HorizontalLayout(showDetails, hideDetails, expandAll,
collapseAll),
new HorizontalLayout(scrollTo55, scrollTo3055, scrollToEnd,
scrollToStart),
new HorizontalLayout(addGrid, toggle15, toggle3000));
getLayout().getParent().setHeight("100%");
getLayout().setHeight("100%");
treeGrid.setHeight("100%");
setHeight("100%");
}
@Override
protected String getTestDescription() {
return "Expanding and collapsing with and without open details rows shouldn't cause exceptions. "
+ "Details row should be reopened upon expanding if it was open before collapsing.";
}
@Override
protected Integer getTicketNumber() {
return 11288;
}
}
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