drag and dropsupport

src/main/java/br/com/caelum/seleniumdsl/DefaultPage.java

@@ -81,4 +81,19 @@ public Page refresh() {
 		return this;
 	}
 
+	public Page dragAndDrop(String fromElement, String toElement) {
+		selenium.dragAndDrop(fromElement, toElement);
+		return this;
+	}
+
+	public Page mouseDown(String element) {
+		selenium.mouseDown(element);
+		return this;
+	}
+
+	public Page mouseUp(String element) {
+		selenium.mouseUp(element);
+		return this;
+	}
+
 }

src/main/java/br/com/caelum/seleniumdsl/Page.java

@@ -123,5 +123,20 @@ public interface Page {
 	 * Simulates the user clicking the "Refresh" button on their browser.
 	 */
 	Page refresh();
+
+	/**
+	 * Simulates the user pressing the mouse and holding on the designated element.
+	 */
+	Page mouseDown(String element);
+
+	/**
+	 * Simulates the user releasing the mouseon the designated element.
+	 */
+	Page mouseUp(String element);
+
+	/**
+	 * Simulates the user dragging and dropping.
+	 */
+	Page dragAndDrop(String fromElement, String toElement);
 
 }

src/main/java/br/com/caelum/seleniumdsl/htmlunit/HtmlUnitPage.java

@@ -10,7 +10,6 @@
 import br.com.caelum.seleniumdsl.Form;
 import br.com.caelum.seleniumdsl.Page;
 import br.com.caelum.seleniumdsl.js.Array;
-import br.com.caelum.seleniumdsl.js.HtmlUnitArray;
 import br.com.caelum.seleniumdsl.table.Table;
 
 import com.gargoylesoftware.htmlunit.ElementNotFoundException;
@@ -58,6 +57,24 @@ public Page click(String element) {
 		return this;
 	}
 
+	public HtmlUnitPage mouseDown(String element) {
+		ClickableElement div = page.getHtmlElementById(element);
+		div.mouseDown();
+		return this;
+	}
+
+	public HtmlUnitPage mouseUp(String element) {
+		ClickableElement div = page.getHtmlElementById(element);
+		div.mouseUp();
+		return this;
+	}
+
+	public HtmlUnitPage dragAndDrop(String fromElement, String toElement) {
+		mouseDown(fromElement);
+		mouseUp(toElement);
+		return this;
+	}
+
 	public Page doubleClick(String element) {
 		ClickableElement link =  page.getHtmlElementById(element);
 		try {