private void updateNSARect(ChartObject obj)
{
RectangleF rcObj = obj.getRepaintRect(true);
if (obj.getType() == ItemType.Arrow)
{
Arrow arrow = (Arrow)obj;
arrow.updatePosFromOrgAndDest(false);
}
}
private void updateNSARect(ChartObject obj)
{
RectangleF rcObj = obj.getRepaintRect(true);
if (obj.getType() == ItemType.Arrow)
{
Arrow arrow = (Arrow)obj;
arrow.updatePosFromOrgAndDest(false);
}
}
public void BringIntoView(ChartObject obj)
{
if (obj != null)
{
// get the currently visible document area
Graphics g = CreateGraphics();
setTransforms(g);
RectangleF rcClient = Utilities.deviceToDoc(g, this.ClientRectangle);
// check if the objects is entirely in the visible area
RectangleF rcObj = obj.getRepaintRect(false);
if (rcObj.Left < rcClient.Left || rcObj.Right > rcClient.Right ||
rcObj.Top < rcClient.Top || rcObj.Bottom > rcClient.Bottom)
{
// scroll to center the object in the visible area
float cx = (rcObj.Left + rcObj.Right - rcClient.Width) / 2;
float cy = (rcObj.Top + rcObj.Bottom - rcClient.Height) / 2;
if (cx < docExtents.Left)
cx = docExtents.Left; else
if (cx > docExtents.Right - rcClient.Width)
cx = docExtents.Right - rcClient.Width;
if (cy < docExtents.Top)
cy = docExtents.Top; else
if (cy > docExtents.Bottom - rcClient.Height)
cy = docExtents.Bottom - rcClient.Height;
ScrollTo(cx, cy);
}
}
}
/// <summary>
/// Adds the specified item to the flowchart.
/// </summary>
/// <param name="item">A new item that should be added to the flowchart.</param>
/// <param name="select">Specifies whether the item should be selected
/// after adding it to the flowchart.</param>
public void Add(ChartObject item, bool select)
{
// validity checks can be disabled to save processing time, but beware,
// evil things can happen if the item collections are left in invalild state
if (validityChecks)
{
// do not allow adding an item more than once
if (zOrder.Contains(item))
return;
if (item.getType() == ItemType.Arrow)
{
Arrow arrow = item as Arrow;
// links origin and destination nodes must be in the same diagram
if (!zOrder.Contains(arrow.Origin) &&
(arrow.Origin == null || !(arrow.Origin is DummyNode)))
return;
if (!zOrder.Contains(arrow.Destination) &&
(arrow.Destination == null || !(arrow.Destination is DummyNode)))
return;
}
}
if (item.getType() == ItemType.ControlHost)
{
// add the hosted control to the flowchart
ControlHost host = item as ControlHost;
if (host.Control != null)
{
this.Controls.Add(host.Control);
bringContainedControlToFront(host.Control);
}
}
item.setParent(this);
item.setConstructed();
// add to the diagram
AddItemCmd cmd = new AddItemCmd(item);
cmd.Execute();
RectangleF rc = item.getRepaintRect(false);
if (select)
{
selection.Change(item);
rc = Utilities.unionNonEmptyRects(rc,
selection.getRepaintRect(true));
}
if (undoManager.UndoEnabled)
cmd.saveSelState();
// repaint the diagram area covered by the new item
if (!LayoutSuspended)
invalidate(rc);
setDirty();
}
private void sizeDocForItem(ChartObject item)
{
if (item == null)
{
sizeDocForItems();
return;
}
bool changed = false;
float docLeft = docExtents.Left;
float docTop = docExtents.Top;
float docRight = docExtents.Right;
float docBottom = docExtents.Bottom;
RectangleF rcItem = item.getRepaintRect(true);
float hinch = Constants.getHalfInch(measureUnit);
// if auto-sizing to the left and top too...
if (autoSizeDoc == MindFusion.FlowChartX.AutoSize.AllDirections)
{
if (rcItem.Left < docLeft + hinch)
{
docLeft = rcItem.Left - hinch;
changed = true;
}
if (rcItem.Top < docTop + hinch)
{
docTop = rcItem.Top - hinch;
changed = true;
}
}
if (rcItem.Right > docRight - hinch)
{
docRight = rcItem.Right + hinch;
changed = true;
}
if (rcItem.Bottom > docBottom - hinch)
{
docBottom = rcItem.Bottom + hinch;
changed = true;
}
if (changed)
{
docExtents = RectangleF.FromLTRB(docLeft, docTop, docRight, docBottom);
resetDocSize();
}
}
