private void OnSetRasterButtonClick(NEventArgs args)
{
// get a raster to place on the clipbar
NRaster raster = null;
switch ((int)args.TargetNode.Tag)
{
case 0:
raster = NResources.Image__48x48_Book_png.ImageSource.CreateRaster();
break;
case 1:
raster = NResources.Image__48x48_Clock_png.ImageSource.CreateRaster();
break;
case 2:
raster = NResources.Image__48x48_Darts_png.ImageSource.CreateRaster();
break;
}
// create a data object
NDataObject dataObject = new NDataObject();
dataObject.SetData(NDataFormat.RasterFormat, raster);
// set it on the clipboard
NClipboard.SetDataObject(dataObject);
}
private void OnCopyLinkToClipboardClick(NEventArgs arg)
{
NDataObject dataObject = new NDataObject();
NXmlElement element = (NXmlElement)arg.CurrentTargetNode.Tag;
dataObject.SetData(NDataFormat.TextFormat, m_ExamplesPath + "?example=" + element.GetAttributeValue("type"));
NClipboard.SetDataObject(dataObject);
}
private void OnSetTextButtonClick(NEventArgs args)
{
NDataObject dataObject = new NDataObject();
dataObject.SetData(NDataFormat.TextFormat, m_TextBox.Text);
NClipboard.SetDataObject(dataObject);
m_TextBox.Text = "Text box content moved to clipboard.";
}
private void OnGetTextButtonClick(NEventArgs args)
{
NDataObject dataObject = NClipboard.GetDataObject();
object data = dataObject.GetData(NDataFormat.TextFormat);
if (data != null)
{
m_TextBox.Text = (string)data;
}
}
private void OnGetRTFButtonClick(NEventArgs args)
{
NDataObject dataObject = NClipboard.GetDataObject();
byte[] data = dataObject.GetRTF();
if (data != null)
{
m_RichText.LoadFromStream(new MemoryStream(data), new NRtfTextFormat());
}
}
private void OnSourceMouseDown(NMouseButtonEventArgs args)
{
if (NDragDrop.CanRequestDragDrop())
{
NDataObject dataObject = (NDataObject)args.CurrentTargetNode.Tag;
NDragDropSource dropSource = new NDragDropSource(ENDragDropEffects.All);
dropSource.DragStarting += new Function <NDragDropSourceEventArgs>(OnDropSourceDragStarting);
dropSource.DragEnded += new Function <NDragEndedEventArgs>(OnDropSourceDragEnded);
dropSource.QueryDragAction += new Function <NQueryDragActionEventArgs>(OnDropSourceQueryDragAction);
NDragDrop.RequestDragDrop(dropSource, dataObject);
}
}
private void OnGetRasterButtonClick(NEventArgs args)
{
// get a data object from the clipboard
NDataObject dataObject = NClipboard.GetDataObject();
// try get a raster from the data object
object data = dataObject.GetData(NDataFormat.RasterFormat);
if (data == null)
{
return;
}
// place it inside the image box
NRaster raster = (NRaster)data;
m_ImageBox.Image = new NImage(raster);
m_ImageBox.Visibility = ENVisibility.Visible;
}
private void OnSetRTFButtonClick(NEventArgs args)
{
NDataObject dataObject = new NDataObject();
using (MemoryStream stream = new MemoryStream())
{
m_RichText.SaveToStream(stream, new NRtfTextFormat());
dataObject.SetData(NDataFormat.RTFFormat, stream.ToArray());
NClipboard.SetDataObject(dataObject);
}
// Clear the rich text
m_RichText.Content.Sections.Clear();
NSection section = new NSection();
m_RichText.Content.Sections.Add(section);
section.Blocks.Add(new NParagraph("Rich text content moved to clipboard."));
}
protected override NWidget CreateExampleContent()
{
// sources
NGroupBox sourcesGroup = new NGroupBox("Drag Drop Sources");
{
NStackPanel sourcesStack = new NStackPanel();
sourcesGroup.Content = sourcesStack;
NContentHolder textSource1 = CreateDemoElement("Drag Source Text 1");
NDataObject dataObject1 = new NDataObject();
dataObject1.SetData(NDataFormat.TextFormat, "Text string 1");
textSource1.Tag = dataObject1;
sourcesStack.Add(textSource1);
textSource1.MouseDown += new Function <NMouseButtonEventArgs>(OnSourceMouseDown);
NContentHolder textSource2 = CreateDemoElement("Drag Source Text 2");
NDataObject dataObject2 = new NDataObject();
dataObject2.SetData(NDataFormat.TextFormat, "Text string 2");
textSource2.Tag = dataObject2;
sourcesStack.Add(textSource2);
textSource2.MouseDown += new Function <NMouseButtonEventArgs>(OnSourceMouseDown);
//NContentHolder widgetSource1 = CreateDemoElement("Drag Button");
//widgetSource1.Tag = new NContentDataObject(new NButton("Widget In Drag and Drop"));
//sourcesStack.Add(widgetSource1);
//widgetSource1.MouseDown += new Function<NMouseEventArgs>(OnSourceMouseDown);
//NContentHolder compositeSource1 = CreateDemoElement("Composite Data Object");
//compositeSource1.Tag = new NCompositeDataObject(
// new NContentDataObject(new NButton("Widget In Drag and Drop")),
// new NContentDataObject("Hello there"));
//sourcesStack.Add(compositeSource1);
//compositeSource1.MouseDown += new Function<NMouseEventArgs>(OnSourceMouseDown);
}
// targets
NGroupBox targetsGroup = new NGroupBox("Drop Targets");
{
NStackPanel targetsStack = new NStackPanel();
targetsGroup.Content = targetsStack;
NContentHolder dropTextTarget = CreateDemoElement("Drop Text On Me");
targetsStack.Add(dropTextTarget);
dropTextTarget.DragOver += new Function <NDragActionEventArgs>(OnDragOverTextTarget);
dropTextTarget.DragDrop += new Function <NDragActionEventArgs>(OnDragDropTextTarget);
}
// create the source and targets splitter
NSplitter splitter = new NSplitter();
splitter.SplitMode = ENSplitterSplitMode.Proportional;
splitter.SplitFactor = 0.5d;
splitter.Pane1.Content = sourcesGroup;
splitter.Pane2.Content = targetsGroup;
// create the inspector on the bottom
NGroupBox inspectorGroup = new NGroupBox("Data Object Ispector");
NListBox inspector = new NListBox();
inspectorGroup.Content = inspector;
inspector.DragEnter += new Function <NDragOverChangeEventArgs>(OnInspectorDragEnter);
inspector.DragLeave += new Function <NDragOverChangeEventArgs>(OnInspectorDragLeave);
NStackPanel stack = new NStackPanel();
stack.HorizontalPlacement = ENHorizontalPlacement.Fit;
stack.VerticalPlacement = ENVerticalPlacement.Fit;
stack.FillMode = ENStackFillMode.Last;
stack.Add(splitter);
stack.Add(inspectorGroup);
return(stack);
}
