Declarative support for Link (#16322)

Change-Id: I02f36b5e89bdf2673696de6dd8fd217835e759d1

2 files changed, 102 insertions, 0 deletions

diff --git a/server/src/com/vaadin/ui/Link.java b/server/src/com/vaadin/ui/Link.java
index 2731e93ef2..b6e127fd38 100644
--- a/server/src/com/vaadin/ui/Link.java
+++ b/server/src/com/vaadin/ui/Link.java
@@ -16,10 +16,16 @@
 
 package com.vaadin.ui;
 
+import java.util.Collection;
+
+import org.jsoup.nodes.Element;
+
 import com.vaadin.server.Resource;
 import com.vaadin.shared.ui.BorderStyle;
 import com.vaadin.shared.ui.link.LinkConstants;
 import com.vaadin.shared.ui.link.LinkState;
+import com.vaadin.ui.declarative.DesignAttributeHandler;
+import com.vaadin.ui.declarative.DesignContext;
 
 /**
  * Link is used to create external or internal URL links.
@@ -202,4 +208,34 @@ public class Link extends AbstractComponent {
         setResource(LinkConstants.HREF_RESOURCE, resource);
     }
 
+    @Override
+    public void readDesign(Element design, DesignContext designContext) {
+        super.readDesign(design, designContext);
+        if (design.hasAttr("target")) {
+            setTargetName(DesignAttributeHandler.getFormatter().parse(
+                    design.attr("target"), String.class));
+        }
+        if (design.hasAttr("href")) {
+            setResource(DesignAttributeHandler.getFormatter().parse(
+                    design.attr("href"), Resource.class));
+        }
+    }
+
+    @Override
+    public void writeDesign(Element design, DesignContext designContext) {
+        super.writeDesign(design, designContext);
+        Link def = designContext.getDefaultInstance(this);
+        DesignAttributeHandler.writeAttribute("target", design.attributes(),
+                getTargetName(), def.getTargetName(), String.class);
+        DesignAttributeHandler.writeAttribute("href", design.attributes(),
+                getResource(), def.getResource(), Resource.class);
+    }
+
+    @Override
+    protected Collection<String> getCustomAttributes() {
+        Collection<String> a = super.getCustomAttributes();
+        a.add("target-name");
+        a.add("resource");
+        return a;
+    }
 }
diff --git a/server/tests/src/com/vaadin/tests/server/component/link/LinkDeclarativeTest.java b/server/tests/src/com/vaadin/tests/server/component/link/LinkDeclarativeTest.java
new file mode 100644
index 0000000000..17fea29168
--- /dev/null
+++ b/server/tests/src/com/vaadin/tests/server/component/link/LinkDeclarativeTest.java
@@ -0,0 +1,66 @@
+/*
+ * 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.server.component.link;
+
+import org.junit.Test;
+
+import com.vaadin.server.ExternalResource;
+import com.vaadin.shared.ui.BorderStyle;
+import com.vaadin.tests.design.DeclarativeTestBase;
+import com.vaadin.ui.Link;
+
+/**
+ * Test cases for reading the properties of selection components.
+ * 
+ * @author Vaadin Ltd
+ */
+public class LinkDeclarativeTest extends DeclarativeTestBase<Link> {
+    private String getBasicDesign() {
+        return "<v-link href='http://vaadin.com' target='vaadin-window' target-height=500"
+                + " target-width=800 target-border='none' />";
+    }
+
+    private Link getBasicExpected() {
+        Link l = new Link();
+        l.setResource(new ExternalResource("http://vaadin.com"));
+        l.setTargetName("vaadin-window");
+        l.setTargetBorder(BorderStyle.NONE);
+        l.setTargetHeight(500);
+        l.setTargetWidth(800);
+        return l;
+    }
+
+    @Test
+    public void readBasic() throws Exception {
+        testRead(getBasicDesign(), getBasicExpected());
+    }
+
+    @Test
+    public void writeBasic() throws Exception {
+        testWrite(getBasicDesign(), getBasicExpected());
+    }
+
+    @Test
+    public void testReadEmpty() {
+        testRead("<v-link />", new Link());
+    }
+
+    @Test
+    public void testWriteEmpty() {
+        testWrite("<v-link />", new Link());
+    }
+
+}
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