Check class name type on Grid cell mouse over (#10194)

* Check whether className is of type string

* Move string type checker method to widget util

* Fix formatting of WidgetUtil

* Break svg into lines

1 files changed, 40 insertions, 0 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/components/grid/GridSvgInCell.java b/uitest/src/main/java/com/vaadin/tests/components/grid/GridSvgInCell.java
new file mode 100644
index 0000000000..fbe59b8a88
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/components/grid/GridSvgInCell.java
@@ -0,0 +1,40 @@
+package com.vaadin.tests.components.grid;
+
+import com.vaadin.annotations.Widgetset;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.renderers.HtmlRenderer;
+
+@Widgetset("com.vaadin.DefaultWidgetSet")
+public class GridSvgInCell extends AbstractTestUI {
+
+    private static class DataObject {
+        private String svg;
+
+        public String getSvg() {
+            return svg;
+        }
+
+        public void setSvg(String svg) {
+            this.svg = svg;
+        }
+    }
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        Grid<DataObject> grid = new Grid<>();
+        grid.addColumn(DataObject::getSvg).setCaption("SVG")
+                .setRenderer(new HtmlRenderer(""));
+
+        DataObject data = new DataObject();
+        data.setSvg(
+            "<svg width=\"100%\" height=\"20px\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">"
+                + "<polygon id=\"bar_background_blue\" stroke=\"gray\" fill=\"#D6D6D6\" points=\"0 0,59 0,66 7,59 14,0 14\"></polygon>"
+                + "<rect id=\"bar_blue\" x=\"1\" y=\"1\" width=\"0px\" height=\"13\" fill=\"#7298C0\"></rect>"
+                + "</svg>");
+        grid.setItems(data);
+
+        addComponent(grid);
+    }
+}