public void Paste()
{
if (!CanPaste)
{
return;
}
using (ClipboardParent parent = new ClipboardParent())
using (MemoryStream stream = Clipboard.GetData("FastReport") as MemoryStream)
using (FRReader reader = new FRReader(null))
{
reader.Load(stream);
reader.Read(parent);
PageBase page = FDesigner.ActiveReportTab.ActivePage;
if (page.GetType() == parent.PageType)
{
// prepare to create unique name
ObjectCollection allObjects = page.Report.AllNamedObjects;
// prepare a list of existing names
Hashtable names = new Hashtable();
foreach (Base c in allObjects)
{
names[c.Name] = 0;
}
// since we are trying to preserve pasted object's name, add all names to the
// allObjects list to guarantee that FastNameCreator will work correctly
foreach (Base c in parent.AllObjects)
{
allObjects.Add(c);
// there is an existing object with the same name. Clear the name to indicate
// that we should create an unique name for this object
if (names.ContainsKey(c.Name))
{
c.Name = "";
}
}
FastNameCreator nameCreator = new FastNameCreator(allObjects);
FDesigner.SelectedObjects.Clear();
foreach (Base c in parent.Objects)
{
c.Parent = FDesigner.ActiveReportTab.ActivePageDesigner.GetParentForPastedObjects();
if (c.Name == "")
{
nameCreator.CreateUniqueName(c);
}
// reset group index
if (c is ComponentBase)
{
(c as ComponentBase).GroupIndex = 0;
}
FDesigner.Objects.Add(c);
if (c is IParent)
{
foreach (Base c1 in c.AllObjects)
{
if (c1.Name == "")
{
nameCreator.CreateUniqueName(c1);
}
FDesigner.Objects.Add(c1);
}
}
FDesigner.SelectedObjects.Add(c);
}
FDesigner.ActiveReportTab.ActivePageDesigner.Paste(parent.Objects, InsertFrom.Clipboard);
}
}
}
public void Copy()
{
// Things that we should consider:
// - when copy an object that is selected, we must save its absolute position instead of relative Top, Left.
// This is necessary when copying several objects that have different parents.
// - when copy a parent object and its child, and both are selected, we must exclude a child from the
// selected objects. This is necessary to avoid duplicate copy of the child object - it will be
// copied by its parent.
if (FDesigner.SelectedObjects == null)
{
return;
}
using (ClipboardParent parent = new ClipboardParent())
{
Hashtable bounds = new Hashtable();
parent.PageType = FDesigner.SelectedObjects[0].Page.GetType();
foreach (Base c in FDesigner.Objects)
{
if (c.IsSelected)
{
if (c.HasFlag(Flags.CanCopy))
{
if (!parent.Contains(c))
{
if (c is ComponentBase)
{
ComponentBase c1 = c as ComponentBase;
bounds[c1] = c1.Bounds;
c1.SetDesigning(false);
c1.Left = c1.AbsLeft;
c1.Top = c1.AbsTop;
}
parent.Objects.Add(c);
}
}
}
}
using (MemoryStream stream = new MemoryStream())
using (FRWriter writer = new FRWriter())
{
writer.SerializeTo = SerializeTo.Clipboard;
writer.Write(parent);
writer.Save(stream);
Clipboard.SetData("FastReport", stream);
}
// restore components' state
foreach (Base c in parent.Objects)
{
if (c is ComponentBase)
{
ComponentBase c1 = c as ComponentBase;
if (bounds[c1] != null)
{
c1.Bounds = (RectangleF)bounds[c1];
}
c1.SetDesigning(true);
}
}
}
}
