Examples of com.vaadin.ui.GridLayout.addComponent()

com.vaadin.ui.GridLayout.addComponent()

Adds a component to the grid in the specified area. The area is defined by specifying the upper left corner (column1, row1) and the lower right corner (column2, row2) of the area. The coordinates are zero-based.

If the area overlaps with any of the existing components already present in the grid, the operation will fail and an {@link OverlapsException} isthrown.
@param component the component to be added, not null. @param column1 the column of the upper left corner of the area c is supposed to occupy. The leftmost column has index 0. @param row1 the row of the upper left corner of the area c is supposed to occupy. The topmost row has index 0. @param column2 the column of the lower right corner of the area c is supposed to occupy. @param row2 the row of the lower right corner of the area c is supposed to occupy. @throws OverlapsException if the new component overlaps with any of the components already in the grid. @throws OutOfBoundsException if the cells are outside the grid area.

        menu.setCaption("MenuBar");
        MenuItem mi = menu.addItem("File", icon, null);
        MenuItem smi = mi.addItem("Item", icon, null);
        smi = mi.addItem("Item", icon, null);
        smi = smi.addItem("Item", icon, null);
        gl.addComponent(menu);


        // Tree, caption + item + subitem + action icons
        Tree tree = new Tree("Tree");
        tree.addItem("Root");
        tree.setItemIcon("Root", icon);

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        tree.addItem("Leaf");
        tree.setItemIcon("Leaf", icon);
        tree.setParent("Leaf", "Root");
        tree.expandItemsRecursively("Root");
        tree.addActionHandler(actionHandler);
        gl.addComponent(tree);


        // All of FontAwesome
        String allIcons = "";
        for (FontIcon ic : FontAwesome.values()) {
            allIcons += ic.getHtml() + " ";

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public class TestGridLayoutLastRowRemoval extends TestCase {


    public void testRemovingLastRow() {
        GridLayout grid = new GridLayout(2, 1);
        grid.addComponent(new Label("Col1"));
        grid.addComponent(new Label("Col2"));


        try {
            // Removing the last row in the grid
            grid.removeRow(0);

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public class TestGridLayoutLastRowRemoval extends TestCase {


    public void testRemovingLastRow() {
        GridLayout grid = new GridLayout(2, 1);
        grid.addComponent(new Label("Col1"));
        grid.addComponent(new Label("Col2"));


        try {
            // Removing the last row in the grid
            grid.removeRow(0);
        } catch (IllegalArgumentException iae) {

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        gl.setSizeFull();
        TextField f1 = createField();
        TextField f2 = createField();
        TextField f3 = createField();
        TextField f4 = createField();
        gl.addComponent(f1);
        gl.addComponent(f2);
        gl.addComponent(f3);
        gl.addComponent(f4);


        gl.setComponentAlignment(f1, Alignment.TOP_LEFT);

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        TextField f1 = createField();
        TextField f2 = createField();
        TextField f3 = createField();
        TextField f4 = createField();
        gl.addComponent(f1);
        gl.addComponent(f2);
        gl.addComponent(f3);
        gl.addComponent(f4);


        gl.setComponentAlignment(f1, Alignment.TOP_LEFT);
        gl.setComponentAlignment(f2, Alignment.TOP_RIGHT);

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        TextField f2 = createField();
        TextField f3 = createField();
        TextField f4 = createField();
        gl.addComponent(f1);
        gl.addComponent(f2);
        gl.addComponent(f3);
        gl.addComponent(f4);


        gl.setComponentAlignment(f1, Alignment.TOP_LEFT);
        gl.setComponentAlignment(f2, Alignment.TOP_RIGHT);
        gl.setComponentAlignment(f3, Alignment.BOTTOM_LEFT);

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        TextField f3 = createField();
        TextField f4 = createField();
        gl.addComponent(f1);
        gl.addComponent(f2);
        gl.addComponent(f3);
        gl.addComponent(f4);


        gl.setComponentAlignment(f1, Alignment.TOP_LEFT);
        gl.setComponentAlignment(f2, Alignment.TOP_RIGHT);
        gl.setComponentAlignment(f3, Alignment.BOTTOM_LEFT);
        gl.setComponentAlignment(f4, Alignment.BOTTOM_RIGHT);

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        tf3.setRows(5);
        tf3.setSizeFull();
        tf3.setValue(contents);
        tf3.setCaption("TextField caption");
        // p3.getContent().addComponent(tf3);
        gl.addComponent(tf3);


        // Panel pp = new Panel();
        // pp.setCaption("OrderedLayout");
        // pp.setWidth("500px");
        // pp.setHeight("500px");

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        int nr = 5;
        TextField tf;
        tf = new TextField("TextField (tabIndex 1)");
        tf.setTabIndex(1);
        tf.focus();
        layout.addComponent(tf);
        layout.addComponent(new TextField("TextField without tab index"));
        layout.addComponent(new TextField("TextField without tab index"));
        layout.addComponent(new TextField("TextField without tab index"));
        layout.addComponent(new TextField("TextField without tab index"));
        tf = new TextField("TextField (tabIndex 2)");

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