internal int IndexOf(ModelSystemDisplayStructure modelSystemStructure)
{
var children = this._Children;
if ( children == null )
{
return -1;
}
for ( int i = 0; i < children.Length; i++ )
{
if ( children[i] == modelSystemStructure )
{
return i;
}
}
return -1;
}
private bool BuildChildren()
{
var anyChanges = false;
var children = this.Structure.Children;
if ( children != null )
{
var oldChildren = this._Children;
if ( oldChildren == null || oldChildren.Length != children.Count )
{
var newChildren = new ModelSystemDisplayStructure[children.Count];
if ( oldChildren == null )
{
for ( int i = 0; i < newChildren.Length; i++ )
{
newChildren[i] = new ModelSystemDisplayStructure( children[i] );
}
anyChanges = true;
}
else
{
int index;
for ( int i = 0; i < children.Count; i++ )
{
var child = children[i];
if ( ( index = IndexOf( oldChildren, children[i] ) ) >= 0 )
{
newChildren[i] = oldChildren[index];
if ( index != i )
{
anyChanges = true;
}
}
else
{
newChildren[i] = new ModelSystemDisplayStructure( children[i] );
anyChanges = true;
}
}
}
this._Children = newChildren;
}
else
{
int index;
for ( int i = 0; i < children.Count; i++ )
{
var child = children[i];
index = IndexOf( oldChildren, children[i] );
if ( index != i )
{
anyChanges = true;
break;
}
}
if ( anyChanges )
{
var newChildren = new ModelSystemDisplayStructure[children.Count];
for ( int i = 0; i < children.Count; i++ )
{
var child = children[i];
if ( ( index = IndexOf( oldChildren, children[i] ) ) >= 0 )
{
newChildren[i] = oldChildren[index];
if ( index != i )
{
anyChanges = true;
}
}
else
{
newChildren[i] = new ModelSystemDisplayStructure( children[i] );
anyChanges = true;
}
}
this._Children = newChildren;
}
}
}
return anyChanges;
}
internal int IndexOf(ModelSystemDisplayStructure[] oldChildren, IModelSystemStructure modelSystemStructure)
{
for ( int i = 0; i < oldChildren.Length; i++ )
{
if ( oldChildren[i].Structure == modelSystemStructure )
{
return i;
}
}
return -1;
}
