This reverts the new default behavior introduced in fix for #8855.
If you want empty rows/columns to be ignored when rendering,
use GridLayout.setHideEmptyRowsAndColumns(true)
Change-Id: I38a8717d79cec7739b649174654b615db9d8dc7e
public Set<Integer> explicitRowRatios;
public Set<Integer> explicitColRatios;
+ public boolean hideEmptyRowsAndColumns = false;
+
public VGridLayout() {
super();
setElement(Document.get().createDivElement());
private int[] calcRowExpandRatio() {
int[] actualExpandRatio = new int[minRowHeights.length];
for (int i = 0; i < minRowHeights.length; i++) {
- if (rowHasComponentsOrRowSpan(i)) {
- actualExpandRatio[i] = rowExpandRatioArray[i];
+ if (hiddenEmptyRow(i)) {
+ actualExpandRatio[i] = 0;
} else {
- // Should not do this if this has explicitly been
- // expanded
- if (explicitRowRatios.contains(i)) {
- actualExpandRatio[i] = rowExpandRatioArray[i];
- } else {
- actualExpandRatio[i] = 0;
- }
+ actualExpandRatio[i] = rowExpandRatioArray[i];
}
}
return actualExpandRatio;
}
+ /**
+ * Checks if it is ok to hide (or ignore) the given row.
+ *
+ * @param rowIndex
+ * the row to check
+ * @return true, if the row should be interpreted as non-existant (hides
+ * extra spacing)
+ */
+ private boolean hiddenEmptyRow(int rowIndex) {
+ return hideEmptyRowsAndColumns && !rowHasComponentsOrRowSpan(rowIndex)
+ && !explicitRowRatios.contains(rowIndex);
+ }
+
+ /**
+ * Checks if it is ok to hide (or ignore) the given column.
+ *
+ * @param columnIndex
+ * the column to check
+ * @return true, if the column should be interpreted as non-existant (hides
+ * extra spacing)
+ */
+ private boolean hiddenEmptyColumn(int columnIndex) {
+ return hideEmptyRowsAndColumns
+ && !colHasComponentsOrColSpan(columnIndex)
+ && !explicitColRatios.contains(columnIndex);
+ }
+
private int calcRowUsedSpace() {
int usedSpace = minRowHeights[0];
int verticalSpacing = getVerticalSpacing();
for (int i = 1; i < minRowHeights.length; i++) {
- if (rowHasComponentsOrRowSpan(i) || minRowHeights[i] > 0
- || explicitRowRatios.contains(i)) {
+ if (minRowHeights[i] > 0 || !hiddenEmptyRow(i)) {
usedSpace += verticalSpacing + minRowHeights[i];
}
}
private int[] calcColumnExpandRatio() {
int[] actualExpandRatio = new int[minColumnWidths.length];
for (int i = 0; i < minColumnWidths.length; i++) {
- if (colHasComponentsOrColSpan(i)) {
+ if (!hiddenEmptyColumn(i)) {
actualExpandRatio[i] = colExpandRatioArray[i];
} else {
- // Should not do this if this has explicitly been
- // expanded
- if (explicitColRatios.contains(i)) {
- actualExpandRatio[i] = colExpandRatioArray[i];
- } else {
- actualExpandRatio[i] = 0;
- }
+ actualExpandRatio[i] = 0;
}
}
return actualExpandRatio;
int usedSpace = minColumnWidths[0];
int horizontalSpacing = getHorizontalSpacing();
for (int i = 1; i < minColumnWidths.length; i++) {
- if (colHasComponentsOrColSpan(i) || minColumnWidths[i] > 0
- || explicitColRatios.contains(i)) {
+ if (minColumnWidths[i] > 0 || !hiddenEmptyColumn(i)) {
usedSpace += horizontalSpacing + minColumnWidths[i];
}
}
clickEventHandler.handleEventHandlerRegistration();
+ getWidget().hideEmptyRowsAndColumns = getState().hideEmptyRowsAndColumns;
+
}
@Override
defaultComponentAlignment = defaultAlignment;
}
+ /**
+ * Sets whether empty rows and columns should be considered as non-existent
+ * when rendering or not. If this is set to true then the spacing between
+ * multiple empty columns (or rows) will be collapsed.
+ *
+ * The default behavior is to consider all rows and columns as visible
+ *
+ * NOTE that this must be set before the initial rendering takes place.
+ * Updating this on the fly is not supported.
+ *
+ * @since 7.3
+ * @param hideEmptyRowsAndColumns
+ * true to hide empty rows and columns, false to leave them as-is
+ */
+ public void setHideEmptyRowsAndColumns(boolean hideEmptyRowsAndColumns) {
+ getState().hideEmptyRowsAndColumns = hideEmptyRowsAndColumns;
+ }
+
+ /**
+ * Checks whether whether empty rows and columns should be considered as
+ * non-existent when rendering or not.
+ *
+ * @see #setHideEmptyRowsAndColumns(boolean)
+ * @since 7.3
+ * @return true if empty rows and columns are hidden, false otherwise
+ */
+ public boolean isHideEmptyRowsAndColumns() {
+ return getState(false).hideEmptyRowsAndColumns;
+ }
}
public Set<Integer> explicitRowRatios = new HashSet<Integer>();;
public Set<Integer> explicitColRatios = new HashSet<Integer>();
public Map<Connector, ChildComponentData> childData = new HashMap<Connector, GridLayoutState.ChildComponentData>();
+ public boolean hideEmptyRowsAndColumns = false;
public static class ChildComponentData implements Serializable {
public int column1;
labels = new Label[ROWS][COLS];
layout = new HorizontalLayout();
gridLayout = new GridLayout(ROWS, COLS);
+ gridLayout.setHideEmptyRowsAndColumns(true);
+
layout.setImmediate(true);
gridLayout.setImmediate(true);
gridLayout2 = new GridLayout(4, 4);
+ gridLayout2.setHideEmptyRowsAndColumns(true);
for (int i = 0; i < ROWS; i++) {
for (int j = 0; j < COLS; j++) {
Label label = new Label("Slot " + i + " " + j);
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);
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
-import com.vaadin.tests.components.TestBase;
-import com.vaadin.ui.*;
+import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.ComponentContainer;
+import com.vaadin.ui.GridLayout;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.VerticalLayout;
public class MoveComponentsFromGridLayoutToInnerLayout extends AbstractTestUI {
@Override
protected void setup(VaadinRequest request) {
gl = new GridLayout();
+ gl.setHideEmptyRowsAndColumns(true);
gl.setWidth("200px");
gl.setHeight("200px");
--- /dev/null
+package com.vaadin.tests.components.gridlayout;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.ui.Alignment;
+import com.vaadin.ui.GridLayout;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.TextField;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.VerticalLayout;
+
+@SuppressWarnings("serial")
+public class UniformGridLayoutUI extends UI {
+
+ @Override
+ protected void init(VaadinRequest request) {
+ final VerticalLayout layout = new VerticalLayout();
+ layout.setMargin(true);
+ setContent(layout);
+ layout.setSpacing(true);
+ boolean hide = (request.getParameter("collapse") != null);
+ layout.addComponent(createGridWithoutGridBuilder(1, hide));
+ layout.addComponent(createGridWithoutGridBuilder(2, hide));
+ layout.addComponent(createGridWithoutGridBuilder(3, hide));
+ }
+
+ private GridLayout createGridWithoutGridBuilder(int rows, boolean collapse) {
+ GridLayout grid = new GridLayout(30, 3);
+ grid.setWidth("100%");
+ // grid.setMargin(true);
+ // grid.setSpacing(true);
+ grid.setHideEmptyRowsAndColumns(collapse);
+
+ // Row 1
+ Label label1 = new Label("Row1");
+ label1.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(label1, 0, 0, 10, 0);
+ grid.setComponentAlignment(label1, Alignment.MIDDLE_LEFT);
+
+ TextField textField1 = new TextField();
+ textField1.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(textField1, 12, 0, 14, 0);
+ grid.setComponentAlignment(textField1, Alignment.MIDDLE_LEFT);
+
+ if (rows < 2) {
+ return grid;
+ }
+
+ // Row 2
+ Label label2 = new Label("Row2");
+ label2.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(label2, 0, 1, 10, 1);
+ grid.setComponentAlignment(label2, Alignment.MIDDLE_LEFT);
+
+ TextField textField2 = new TextField();
+ textField2.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(textField2, 12, 1, 20, 1);
+ grid.setComponentAlignment(textField2, Alignment.MIDDLE_LEFT);
+
+ if (rows < 3) {
+ return grid;
+ }
+
+ // Row 3
+ Label label3 = new Label("Row3");
+ label3.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(label3, 0, 2, 10, 2);
+ grid.setComponentAlignment(label3, Alignment.MIDDLE_LEFT);
+
+ TextField textField3 = new TextField();
+ textField3.setWidth(100.0F, Unit.PERCENTAGE);
+ grid.addComponent(textField3, 12, 2, 29, 2);
+ grid.setComponentAlignment(textField3, Alignment.MIDDLE_LEFT);
+
+ return grid;
+ }
+
+}
\ No newline at end of file
--- /dev/null
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.gridlayout;
+
+import org.junit.Test;
+
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class UniformGridLayoutUITest extends MultiBrowserTest {
+
+ @Test
+ public void noncollapsed() throws Exception {
+ openTestURL();
+ compareScreen("noncollapsed");
+ }
+
+ @Test
+ public void collapsed() throws Exception {
+ openTestURL("collapse");
+ compareScreen("collapsed");
+ }
+}
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
-import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.CustomComponent;
b.setHeight("200px");
GridLayout layout = new GridLayout(3, 2);
+ layout.setHideEmptyRowsAndColumns(true);
layout.setWidth("100%");
layout.addComponent(fields1, 0, 0, 0, 1);
layout.addComponent(b, 2, 1);
*/
public GridBaseLayoutTestUI() {
super(GridLayout.class);
+ layout.setHideEmptyRowsAndColumns(true);
}
@Override