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package com.vaadin.tests.components.grid;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.shared.ui.grid.DropMode;
import com.vaadin.ui.Grid;
import com.vaadin.ui.components.grid.GridDropTarget;
public class GridDropTargetTest {
private Grid<String> grid;
private GridDropTarget<String> target;
@Before
public void setup() {
grid = new Grid<>();
grid.addColumn(s -> s).setId("1");
grid.addColumn(s -> s).setId("2");
target = new GridDropTarget<>(grid, DropMode.BETWEEN);
}
@Test
public void dropAllowedOnSortedGridRows_defaultValue_isTrue() {
Assert.assertTrue("Default drop allowed should be backwards compatible",
target.isDropAllowedOnRowsWhenSorted());
}
@Test
public void dropAllowedOnSortedGridRows_notAllowed_changesDropModeWhenSorted() {
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.sort("1");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
grid.sort("2");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
grid.clearSortOrder();
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.clearSortOrder();
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.sort("2");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
}
@Test
public void dropAllowedOnSortedGridRows_sortedGridIsDisallowed_modeChangesToOnGrid() {
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.sort("1");
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(true);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
}
@Test
public void dropAllowedOnSortedGridRows_notAllowedBackToAllowed_changesBackToUserDefinedMode() {
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.sort("1");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(true);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.clearSortOrder();
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
}
@Test
public void dropAllowedOnSortedGridRows_swappingAllowedDropOnSortedOffAndOn() {
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(true);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(true);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
}
@Test
public void dropAllowedOnSortedGridRows_changingDropModeWhileSorted_replacesPreviouslyCachedButDoesntOverride() {
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(false);
Assert.assertEquals(DropMode.BETWEEN, target.getDropMode());
grid.sort("1");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
target.setDropMode(DropMode.ON_TOP);
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
Assert.assertFalse("Changing drop mode should not have any effect here",
target.isDropAllowedOnRowsWhenSorted());
grid.clearSortOrder();
Assert.assertEquals(DropMode.ON_TOP, target.getDropMode());
grid.sort("1");
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
target.setDropMode(DropMode.ON_TOP_OR_BETWEEN);
Assert.assertEquals(DropMode.ON_GRID, target.getDropMode());
target.setDropAllowedOnRowsWhenSorted(true);
Assert.assertEquals(DropMode.ON_TOP_OR_BETWEEN, target.getDropMode());
}
}
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