// a GridEntry recreated its children
protected virtual void OnRecreateChildren(object s, GridEntryRecreateChildrenEventArgs e) {
GridEntry parent = (GridEntry) s;
if (parent.Expanded) {
GridEntry[] entries = new GridEntry[allGridEntries.Count];
allGridEntries.CopyTo(entries, 0);
// find the index of the gridEntry that fired the event in our main list.
int parentIndex = -1;
for (int i = 0; i < entries.Length; i++) {
if (entries[i] == parent) {
parentIndex = i;
break;
}
}
Debug.Assert(parentIndex != -1, "parent GridEntry not found in allGridEntries");
// clear our existing handlers
ClearGridEntryEvents(allGridEntries, parentIndex + 1, e.OldChildCount);
// resize the array if it's changed
if (e.OldChildCount != e.NewChildCount) {
int newArraySize = entries.Length + (e.NewChildCount - e.OldChildCount);
GridEntry[] newEntries = new GridEntry[newArraySize];
// copy the existing entries up to the parent
Array.Copy(entries, 0, newEntries, 0, parentIndex + 1);
// copy the entries after the spot we'll be putting the new ones
Array.Copy(entries, parentIndex + e.OldChildCount+1, newEntries, parentIndex + e.NewChildCount+1, entries.Length - (parentIndex + e.OldChildCount + 1));
entries = newEntries;
}
// from that point, replace the children with tne new children.
GridEntryCollection children = parent.Children;
int childCount = children.Count;
Debug.Assert(childCount == e.NewChildCount, "parent reports " + childCount + " new children, event reports " + e.NewChildCount);
// replace the changed items
for (int i = 0; i < childCount; i++) {
entries[parentIndex + i + 1] = children.GetEntry(i);
}
// reset the array, rehook the handlers.
allGridEntries.Clear();
allGridEntries.AddRange(entries);
AddGridEntryEvents(allGridEntries, parentIndex + 1, childCount);
}
if (e.OldChildCount != e.NewChildCount) {
totalProps = CountPropsFromOutline(topLevelGridEntries);
SetConstants();
}
Invalidate();
}
/// <include file='doc\GridEntry.uex' path='docs/doc[@for="GridEntry.OnRecreateChildren"]/*' />
/// <devdoc>
/// Called when RecreateChildren is called.
/// Default implmentation fired the event to any listeners, so be sure
/// to call base.OnOutlineDoubleClick(e) if this is overrideen.
/// </devdoc>
protected virtual void OnRecreateChildren(GridEntryRecreateChildrenEventArgs e) {
Delegate handler = GetEventHandler(EVENT_RECREATE_CHILDREN);
if (handler != null) ((GridEntryRecreateChildrenEventHandler)handler)(this, e);
}
protected virtual void OnRecreateChildren(object s, GridEntryRecreateChildrenEventArgs e)
{
GridEntry entry = (GridEntry) s;
if (entry.Expanded)
{
GridEntry[] dest = new GridEntry[this.allGridEntries.Count];
this.allGridEntries.CopyTo(dest, 0);
int num = -1;
for (int i = 0; i < dest.Length; i++)
{
if (dest[i] == entry)
{
num = i;
break;
}
}
this.ClearGridEntryEvents(this.allGridEntries, num + 1, e.OldChildCount);
if (e.OldChildCount != e.NewChildCount)
{
int num3 = dest.Length + (e.NewChildCount - e.OldChildCount);
GridEntry[] destinationArray = new GridEntry[num3];
Array.Copy(dest, 0, destinationArray, 0, num + 1);
Array.Copy(dest, (int) ((num + e.OldChildCount) + 1), destinationArray, (int) ((num + e.NewChildCount) + 1), (int) (dest.Length - ((num + e.OldChildCount) + 1)));
dest = destinationArray;
}
GridEntryCollection children = entry.Children;
int count = children.Count;
for (int j = 0; j < count; j++)
{
dest[(num + j) + 1] = children.GetEntry(j);
}
this.allGridEntries.Clear();
this.allGridEntries.AddRange(dest);
this.AddGridEntryEvents(this.allGridEntries, num + 1, count);
}
if (e.OldChildCount != e.NewChildCount)
{
this.totalProps = this.CountPropsFromOutline(this.topLevelGridEntries);
this.SetConstants();
}
base.Invalidate();
}
