- Old details should close.
- New details should open.
- If some row has details in both old and new item set, the details row
contents should get updated.
- Updating details row contents should not break the positioning of the
rows and details below.
Fixes #12211
// updated, replace reference
indexToDetailConnectorId.put(rowIndex, id);
newOrUpdatedDetails = true;
+ getWidget().resetVisibleDetails(rowIndex);
}
} else {
// new Details content, listeners will get attached to the connector
*/
boolean spacerExists(int rowIndex);
+ /**
+ * Updates the spacer corresponding with the given rowIndex to currently
+ * provided contents.
+ *
+ * @since
+ * @param rowIndex
+ * the row index for the spacer in need of updating
+ */
+ void resetSpacer(int rowIndex);
+
/**
* Sets a new spacer updater.
* <p>
return spacerContainer.spacerExists(rowIndex);
}
+ @Override
+ public void resetSpacer(int rowIndex) {
+ spacerContainer.resetSpacer(rowIndex);
+ }
+
@Override
public void setSpacerUpdater(SpacerUpdater spacerUpdater)
throws IllegalArgumentException {
root.getStyle().setHeight(height + defaultCellBorderBottomSize,
Unit.PX);
- // move the visible spacers getRow row onwards.
- shiftSpacerPositionsAfterRow(getRow(), heightDiff);
+ if (!delayRepositioning) {
+ // move the visible spacers getRow row onwards.
+ shiftSpacerPositionsAfterRow(getRow(), heightDiff);
+ }
/*
* If we're growing, we'll adjust the scroll size first, then
tBodyScrollTop + moveDiff);
verticalScrollbar.setScrollPosByDelta(moveDiff);
- } else {
+ } else if (!delayRepositioning) {
body.shiftRowPositions(getRow(), heightDiff);
}
/** Width of the spacers' decos. Calculated once then cached. */
private double spacerDecoWidth = 0.0D;
+ private boolean delayRepositioning = false;
+
public void setSpacer(int rowIndex, double height)
throws IllegalArgumentException {
return false;
}
+ void resetSpacer(int rowIndex) {
+ if (spacerExists(rowIndex)) {
+ delayRepositioning = true;
+ double oldHeight = getSpacer(rowIndex).getHeight();
+ removeSpacer(rowIndex);
+ // real height will be determined later
+ insertNewSpacer(rowIndex, 0);
+ // reposition content below this point to match lack of height,
+ // otherwise later repositioning will fail
+ if (oldHeight > 0) {
+ shiftSpacerPositionsAfterRow(rowIndex, -oldHeight);
+ body.shiftRowPositions(rowIndex, -oldHeight);
+ }
+ delayRepositioning = false;
+ }
+ }
+
@SuppressWarnings("boxing")
void scrollToSpacer(int spacerIndex, ScrollDestination destination,
int padding) {
return visibleDetails.contains(Integer.valueOf(rowIndex));
}
+ /**
+ * Reset the details row with current contents.
+ *
+ * @since
+ * @param rowIndex
+ * the index of the row for which details should be reset
+ */
+ public void resetVisibleDetails(int rowIndex) {
+ escalator.getBody().resetSpacer(rowIndex);
+ }
+
/**
* Update details row height.
*
@Override
protected void internalSetDataProvider(DataProvider<T, ?> dataProvider) {
+ boolean newProvider = getDataProvider() != dataProvider;
super.internalSetDataProvider(dataProvider);
+ if (newProvider) {
+ Set<T> oldVisibleDetails = new HashSet<>(
+ detailsManager.visibleDetails);
+ oldVisibleDetails.forEach(item -> {
+ // close all old details even if the same item exists in the new
+ // provider
+ detailsManager.setDetailsVisible(item, false);
+ });
+ }
for (Column<T, ?> column : getColumns()) {
column.updateSortable();
}
--- /dev/null
+package com.vaadin.tests.components.grid;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import com.vaadin.data.ValueProvider;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.VerticalLayout;
+
+public class GridDetailsUpdateItems extends AbstractTestUI {
+
+ @Override
+ protected void setup(VaadinRequest request) {
+ addComponent(createExamplleLayout());
+ }
+
+ private VerticalLayout createExamplleLayout() {
+ Collection<String> firstCollection = Arrays.asList("Hello", ",",
+ "world!");
+ Collection<String> secondCollection = Arrays.asList("My", "name", "is",
+ "Sarah");
+ Collection<String> thirdCollection = Arrays.asList("red", "blue");
+ Collection<String> fourthCollection = Arrays.asList("spring", "summer",
+ "autumn", "winter");
+
+ VerticalLayout mainLayout = new VerticalLayout();
+ Grid<Collection<String>> grid = new Grid<>();
+ grid.setDetailsGenerator(collection -> {
+ VerticalLayout detailLayout = new VerticalLayout();
+ collection.forEach(
+ item -> detailLayout.addComponent(new Label(item)));
+ return detailLayout;
+ });
+ ValueProvider<Collection<String>, String> valueProvider = collection -> String
+ .join(" ", collection);
+ grid.addColumn(valueProvider).setCaption("Header");
+
+ List<Collection<String>> itemsInitial = Arrays.asList(firstCollection,
+ secondCollection, thirdCollection, fourthCollection);
+ grid.setItems(itemsInitial);
+ for (Collection<String> tmp : itemsInitial) {
+ grid.setDetailsVisible(tmp, true);
+ }
+ mainLayout.addComponent(grid);
+
+ Button clickButton = new Button("Change items", event -> {
+ List<Collection<String>> itemsOverwrite = Arrays
+ .asList(secondCollection, fourthCollection);
+ grid.setItems(itemsOverwrite);
+ for (Collection<String> tmp : itemsOverwrite) {
+ grid.setDetailsVisible(tmp, true);
+ }
+ });
+ mainLayout.addComponent(clickButton);
+
+ return mainLayout;
+ }
+
+ @Override
+ protected Integer getTicketNumber() {
+ return 12211;
+ }
+
+ @Override
+ protected String getTestDescription() {
+ return "Details should update and not break the positioning "
+ + "when the item set is changed.";
+ }
+}
return rowContainer.spacerExists(rowIndex);
}
+ @Override
+ public void resetSpacer(int rowIndex) {
+ rowContainer.resetSpacer(rowIndex);
+ }
+
@Override
public void setSpacerUpdater(SpacerUpdater spacerUpdater)
throws IllegalArgumentException {
--- /dev/null
+package com.vaadin.tests.components.grid;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.number.IsCloseTo.closeTo;
+import static org.junit.Assert.assertNotEquals;
+
+import org.junit.Test;
+
+import com.vaadin.testbench.TestBenchElement;
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.testbench.elements.GridElement;
+import com.vaadin.testbench.elements.GridElement.GridCellElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class GridDetailsUpdateItemsTest extends MultiBrowserTest {
+
+ @Test
+ public void testDetailsUpdateWithItems() {
+ openTestURL();
+ GridElement grid = $(GridElement.class).first();
+ ButtonElement button = $(ButtonElement.class).first();
+
+ String details0 = grid.getDetails(0).getText();
+ System.out.println("details: " + details0);
+
+ // change the contents
+ button.click();
+ sleep(200);
+
+ TestBenchElement detailCell0 = grid.getDetails(0);
+ // ensure contents have updated
+ String updatedDetails0 = detailCell0.getText();
+ assertNotEquals("Details should not be empty", "", updatedDetails0);
+ assertNotEquals("Unexpected detail contents for row 0", details0,
+ updatedDetails0);
+
+ GridCellElement cell1_0 = grid.getCell(1, 0);
+ TestBenchElement detailCell1 = grid.getDetails(1);
+
+ // ensure positioning is correct
+ assertDirectlyAbove(detailCell0, cell1_0);
+ assertDirectlyAbove(cell1_0, detailCell1);
+ }
+
+ private void assertDirectlyAbove(TestBenchElement above,
+ TestBenchElement below) {
+ int aboveBottom = above.getLocation().getY()
+ + above.getSize().getHeight();
+ int belowTop = below.getLocation().getY();
+ assertThat("Unexpected positions.", (double) aboveBottom,
+ closeTo(belowTop, 1d));
+ }
+}