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package com.vaadin.tests.components.gridlayout;
import java.util.Random;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
public class GridLayoutHideMiddleCells extends AbstractReindeerTestUI {
GridLayout gridLayout;
GridLayout gridLayout2;
@Override
protected void setup(VaadinRequest request) {
final int ROWS = 5;
final int COLS = 5;
final Label[][] labels = new Label[ROWS][COLS];
VerticalLayout mainLayout = new VerticalLayout();
HorizontalLayout horLayout = new HorizontalLayout();
gridLayout = new GridLayout(ROWS, COLS);
gridLayout.setHideEmptyRowsAndColumns(true);
gridLayout2 = new GridLayout(4, 4);
gridLayout2.setHideEmptyRowsAndColumns(true);
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5; j++) {
Label label = new Label("Slot " + i + " " + j);
labels[i][j] = label;
gridLayout.addComponent(label);
if (!(i == 2 || j == 2)) {
Label label2 = new Label("Slot " + i + " " + j);
gridLayout2.addComponent(label2);
}
}
}
setContent(mainLayout);
gridLayout.setHeight("500px");
gridLayout.setWidth("500px");
gridLayout.setSpacing(true);
addComponent(gridLayout);
addComponent(gridLayout2);
mainLayout.addComponent(horLayout);
gridLayout2.setHeight("500px");
gridLayout2.setWidth("500px");
gridLayout2.setSpacing(true);
horLayout.addComponent(gridLayout);
horLayout.addComponent(gridLayout2);
mainLayout.addComponent(
new Button("Hide/show both middle Column and row", event -> {
for (int i = 0; i < ROWS; i++) {
for (int j = 0; j < COLS; j++) {
if (j == 2 || i == 2) {
if (labels[i][j].isVisible()) {
labels[i][j].setVisible(false);
} else {
labels[i][j].setVisible(true);
}
}
}
}
}));
mainLayout.addComponent(new Button("Hide/show middle Column", event -> {
for (int i = 0; i < ROWS; i++) {
if (labels[i][2].isVisible()) {
labels[i][2].setVisible(false);
} else {
labels[i][2].setVisible(true);
}
}
}));
mainLayout.addComponent(new Button("Hide/show middle Row", event -> {
for (int j = 0; j < COLS; j++) {
if (labels[2][j].isVisible()) {
labels[2][j].setVisible(false);
} else {
labels[2][j].setVisible(true);
}
}
}));
mainLayout.addComponent(new Button("Hide Random button", event -> {
// TODO Auto-generated method stub
Random rand = new Random();
int i = rand.nextInt(ROWS);
int j = rand.nextInt(COLS);
if (labels[i][j].isVisible()) {
labels[i][j].setVisible(false);
} else {
labels[i][j].setVisible(true);
}
}));
}
@Override
protected Integer getTicketNumber() {
return 8855;
}
/*
* (non-Javadoc)
*
* @see com.vaadin.tests.components.AbstractTestUI#getTestDescription()
*/
@Override
protected String getTestDescription() {
return "Changing the number of visible fields a GridLayout with spacing should not cause additional empty space on the place of invisible fields";
}
}
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