Drag and Drop example

Classes
class	Character
	A Matrix character that takes red and/or blue pills. More...

Functions
WImage *	createDragImage (const char *url, const char *smallurl, const char *mimeType, WContainerWidget *p)
	Create an image which can be dragged. More...
	DragExample::DragExample (Wt::WContainerWidget *parent)

Detailed Description

Function Documentation

createDragImage()

WImage* createDragImage	(	const char *	url,
		const char *	smallurl,
		const char *	mimeType,
		WContainerWidget *	p
	)

Create an image which can be dragged.

The image to be displayed when dragging is given by smallurl, and configured with the given mime type

Definition at line 19 of file DragExample.C.

{
  WImage *result = new WImage(url, p);
  WImage *dragImage = new WImage(smallurl, p);
  dragImage->setMargin(-15, Left | Top);

  /*
   * Set the image to be draggable, showing the other image (dragImage)
   * to be used as the widget that is visually dragged.
   */
  result->setDraggable(mimeType, dragImage, true);

  return result;
}

DragExample()

DragExample::DragExample

(

Wt::WContainerWidget *

parent

)

Definition at line 36 of file DragExample.C.

                                                :
  WContainerWidget(parent)
{
  new WText("<p>Help these people with their decision by dragging one of "
            "the pills.</p>", this);

  if (!wApp->environment().javaScript()) {
    new WText("<i>This examples requires that javascript support is "
              "enabled.</i>", this);
  }

  WContainerWidget *pills = new WContainerWidget(this);
  pills->setContentAlignment(AlignCenter);

  createDragImage("icons/blue-pill.jpg",
                  "icons/blue-pill-small.png",
                  "blue-pill", pills);
  createDragImage("icons/red-pill.jpg",
                  "icons/red-pill-small.png",
                  "red-pill", pills);

  WContainerWidget *dropSites = new WContainerWidget(this);

  new Character("Neo", dropSites);
  new Character("Morpheus", dropSites);
  new Character("Trinity", dropSites);

}