Add option for collapsing empty rows/columns in GridLayout (#14392)

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

5 files changed, 125 insertions, 2 deletions

diff --git a/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutExpandRatio.java b/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutExpandRatio.java
index c20148743a..2a533e4eda 100644
--- a/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutExpandRatio.java
+++ b/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutExpandRatio.java
@@ -37,9 +37,12 @@ public class GridLayoutExpandRatio extends AbstractTestUI {
         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);
diff --git a/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutHideMiddleCells.java b/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutHideMiddleCells.java
index 16b3742c64..4712b8fb26 100644
--- a/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutHideMiddleCells.java
+++ b/uitest/src/com/vaadin/tests/components/gridlayout/GridLayoutHideMiddleCells.java
@@ -39,7 +39,11 @@ public class GridLayoutHideMiddleCells extends AbstractTestUI {
         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);
diff --git a/uitest/src/com/vaadin/tests/components/gridlayout/MoveComponentsFromGridLayoutToInnerLayout.java b/uitest/src/com/vaadin/tests/components/gridlayout/MoveComponentsFromGridLayoutToInnerLayout.java
index 4f5b29c91f..1da2322dc9 100644
--- a/uitest/src/com/vaadin/tests/components/gridlayout/MoveComponentsFromGridLayoutToInnerLayout.java
+++ b/uitest/src/com/vaadin/tests/components/gridlayout/MoveComponentsFromGridLayoutToInnerLayout.java
@@ -2,9 +2,12 @@ package com.vaadin.tests.components.gridlayout;
 
 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 {
 
@@ -15,6 +18,7 @@ public class MoveComponentsFromGridLayoutToInnerLayout extends AbstractTestUI {
     @Override
     protected void setup(VaadinRequest request) {
         gl = new GridLayout();
+        gl.setHideEmptyRowsAndColumns(true);
         gl.setWidth("200px");
         gl.setHeight("200px");
 
diff --git a/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUI.java b/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUI.java
new file mode 100644
index 0000000000..07abb61785
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUI.java
@@ -0,0 +1,77 @@
+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
diff --git a/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUITest.java b/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUITest.java
new file mode 100644
index 0000000000..80f85b3b21
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/gridlayout/UniformGridLayoutUITest.java
@@ -0,0 +1,35 @@
+/*
+ * 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");
+    }
+}