Wt examples  3.2.2
/home/koen/project/wt/public-git/wt/examples/dragdrop/DragExample.C
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00001 #include "DragExample.h"
00002 #include "Character.h"
00003 #include <Wt/WEnvironment>
00004 #include <Wt/WImage>
00005 #include <Wt/WApplication>
00006 
00007 using namespace Wt;
00008 
00013 
00019 WImage *createDragImage(const char *url, const char *smallurl,
00020                         const char *mimeType,
00021                         WContainerWidget *p)
00022 {
00023   WImage *result = new WImage(url, p);
00024   WImage *dragImage = new WImage(smallurl, p);
00025 
00026   /*
00027    * Set the image to be draggable, showing the other image (dragImage)
00028    * to be used as the widget that is visually dragged.
00029    */
00030   result->setDraggable(mimeType, dragImage, true);
00031 
00032   return result;
00033 }
00034 
00035 DragExample::DragExample(WContainerWidget *parent):
00036   WContainerWidget(parent)
00037 {
00038   new WText("<p>Help these people with their decision by dragging one of "
00039             "the pills.</p>", this);
00040 
00041   if (!wApp->environment().javaScript()) {
00042     new WText("<i>This examples requires that javascript support is "
00043               "enabled.</i>", this);
00044   }
00045 
00046   WContainerWidget *pills = new WContainerWidget(this);
00047   pills->setContentAlignment(AlignCenter);
00048 
00049   createDragImage("icons/blue-pill.jpg",
00050                   "icons/blue-pill-small.png",
00051                   "blue-pill", pills);
00052   createDragImage("icons/red-pill.jpg",
00053                   "icons/red-pill-small.png",
00054                   "red-pill", pills);
00055 
00056   WContainerWidget *dropSites = new WContainerWidget(this);
00057 
00058   new Character("Neo", dropSites);
00059   new Character("Morpheus", dropSites);
00060   new Character("Trinity", dropSites);
00061 
00062 }
00063 

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