private void PointsPropertyChanged()
{
if (Points == null || !Points.Any())
{
if (_children.Count > 4)
{
_children.RemoveRange(_children.Count - 4, 4);
}
else if (_children.Count > 1)
{
_children.RemoveRange(1, _children.Count - 1);
}
}
}
// ------------------------------------------------------------------
// Syncs a floating element para list with a visual collection
// ------------------------------------------------------------------
internal static void UpdateFloatingElementVisuals(ContainerVisual visual, List <BaseParaClient> floatingElementList)
{
VisualCollection visualChildren = visual.Children;
int visualIndex = 0;
if (floatingElementList == null || floatingElementList.Count == 0)
{
visualChildren.Clear();
}
else
{
for (int index = 0; index < floatingElementList.Count; index++)
{
Visual paraVisual = floatingElementList[index].Visual;
while (visualIndex < visualChildren.Count && visualChildren[visualIndex] != paraVisual)
{
visualChildren.RemoveAt(visualIndex);
}
if (visualIndex == visualChildren.Count)
{
visualChildren.Add(paraVisual);
}
visualIndex++;
}
if (visualChildren.Count > floatingElementList.Count)
{
visualChildren.RemoveRange(floatingElementList.Count, visualChildren.Count - floatingElementList.Count);
}
}
}
// Token: 0x0600692C RID: 26924 RVA: 0x001DC364 File Offset: 0x001DA564
internal static void UpdateFloatingElementVisuals(ContainerVisual visual, List <BaseParaClient> floatingElementList)
{
VisualCollection children = visual.Children;
int num = 0;
if (floatingElementList == null || floatingElementList.Count == 0)
{
children.Clear();
return;
}
for (int i = 0; i < floatingElementList.Count; i++)
{
Visual visual2 = floatingElementList[i].Visual;
while (num < children.Count && children[num] != visual2)
{
children.RemoveAt(num);
}
if (num == children.Count)
{
children.Add(visual2);
}
num++;
}
if (children.Count > floatingElementList.Count)
{
children.RemoveRange(floatingElementList.Count, children.Count - floatingElementList.Count);
}
}
public override void RemoveRange(int index, int count)
{
int actualCount = visualChildren.Count;
if (count > (actualCount - index))
{
count = actualCount - index;
}
if (count > 0)
{
Visual[] visualArray = new Visual[count];
int copyIndex = index;
for (int i = 0; i < count; i++)
{
visualArray[i] = visualChildren[copyIndex];
copyIndex++;
}
visualChildren.RemoveRange(index, count);
for (int i = 0; i < count; i++)
{
UIElement element = visualArray[i] as UIElement;
if (element != null)
{
ClearLogicalParent(element);
}
}
}
}
public void Reset()
{
if (_children.Count > 1)
{
_children.RemoveRange(1, _children.Count - 1);
}
}
// Token: 0x06005950 RID: 22864 RVA: 0x0018ABA4 File Offset: 0x00188DA4
internal void RemoveRangeInternal(int index, int count)
{
VisualCollection visualChildren = this._visualChildren;
int count2 = visualChildren.Count;
if (count > count2 - index)
{
count = count2 - index;
}
if (count > 0)
{
Visual[] array = new Visual[count];
int i = index;
for (int j = 0; j < count; j++)
{
array[j] = visualChildren[i];
i++;
}
visualChildren.RemoveRange(index, count);
for (i = 0; i < count; i++)
{
UIElement uielement = array[i] as UIElement;
if (uielement != null)
{
this.ClearLogicalParent(uielement);
}
}
this._visualParent.InvalidateMeasure();
}
}
// ------------------------------------------------------------------
// Update visuals for list of paragraphs.
// ------------------------------------------------------------------
internal static void UpdateParaListVisuals(
PtsContext ptsContext,
VisualCollection visualCollection,
PTS.FSKUPDATE fskupdInherited,
PTS.FSPARADESCRIPTION [] arrayParaDesc)
{
// For each paragraph, do following:
// (1) Retrieve ParaClient object
// (3) Update visual, if necessary
for (int index = 0; index < arrayParaDesc.Length; index++)
{
// (1) Retrieve ParaClient object
BaseParaClient paraClient = ptsContext.HandleToObject(arrayParaDesc[index].pfsparaclient) as BaseParaClient;
PTS.ValidateHandle(paraClient);
// (2) Update visual, if necessary
PTS.FSKUPDATE fskupd = arrayParaDesc[index].fsupdinf.fskupd;
if (fskupd == PTS.FSKUPDATE.fskupdInherited)
{
fskupd = fskupdInherited;
}
if (fskupd == PTS.FSKUPDATE.fskupdNew)
{
// Disconnect visual from its old parent, if necessary.
Visual currentParent = VisualTreeHelper.GetParent(paraClient.Visual) as Visual;
if (currentParent != null)
{
ContainerVisual parent = currentParent as ContainerVisual;
Invariant.Assert(parent != null, "parent should always derives from ContainerVisual");
parent.Children.Remove(paraClient.Visual);
}
// New paragraph - insert new visual node
visualCollection.Insert(index, paraClient.Visual);
paraClient.ValidateVisual(fskupd);
}
else
{
// Remove visuals for non-existing paragraphs
while (visualCollection[index] != paraClient.Visual)
{
visualCollection.RemoveAt(index);
Invariant.Assert(index < visualCollection.Count);
}
if (fskupd == PTS.FSKUPDATE.fskupdChangeInside || fskupd == PTS.FSKUPDATE.fskupdShifted)
{
paraClient.ValidateVisual(fskupd);
}
}
}
// Remove obsolete visuals
if (arrayParaDesc.Length < visualCollection.Count)
{
visualCollection.RemoveRange(arrayParaDesc.Length, visualCollection.Count - arrayParaDesc.Length);
}
}
// Token: 0x06006930 RID: 26928 RVA: 0x001DC5E0 File Offset: 0x001DA7E0
internal static void UpdateParaListVisuals(PtsContext ptsContext, VisualCollection visualCollection, PTS.FSKUPDATE fskupdInherited, PTS.FSPARADESCRIPTION[] arrayParaDesc)
{
for (int i = 0; i < arrayParaDesc.Length; i++)
{
BaseParaClient baseParaClient = ptsContext.HandleToObject(arrayParaDesc[i].pfsparaclient) as BaseParaClient;
PTS.ValidateHandle(baseParaClient);
PTS.FSKUPDATE fskupdate = arrayParaDesc[i].fsupdinf.fskupd;
if (fskupdate == PTS.FSKUPDATE.fskupdInherited)
{
fskupdate = fskupdInherited;
}
if (fskupdate == PTS.FSKUPDATE.fskupdNew)
{
Visual visual = VisualTreeHelper.GetParent(baseParaClient.Visual) as Visual;
if (visual != null)
{
ContainerVisual containerVisual = visual as ContainerVisual;
Invariant.Assert(containerVisual != null, "parent should always derives from ContainerVisual");
containerVisual.Children.Remove(baseParaClient.Visual);
}
visualCollection.Insert(i, baseParaClient.Visual);
baseParaClient.ValidateVisual(fskupdate);
}
else
{
while (visualCollection[i] != baseParaClient.Visual)
{
visualCollection.RemoveAt(i);
Invariant.Assert(i < visualCollection.Count);
}
if (fskupdate == PTS.FSKUPDATE.fskupdChangeInside || fskupdate == PTS.FSKUPDATE.fskupdShifted)
{
baseParaClient.ValidateVisual(fskupdate);
}
}
}
if (arrayParaDesc.Length < visualCollection.Count)
{
visualCollection.RemoveRange(arrayParaDesc.Length, visualCollection.Count - arrayParaDesc.Length);
}
}
public void Update()
{
const int NUM_DOTS = 100;
// Add a dot in a random color/location.
Canvas c = Parent as Canvas;
Color clr = Color.FromRgb((byte)_rand.Next(0, 255), (byte)_rand.Next(0, 255), (byte)_rand.Next(0, 255));
int x = _rand.Next(0, (int)c.ActualWidth);
int y = _rand.Next(0, (int)c.ActualHeight);
// Draw it.
DrawingVisual vis = new DrawingVisual();
DrawingContext context = vis.RenderOpen();
context.DrawEllipse(new SolidColorBrush(clr), null, new Point(x, y), 5.0, 5.0);
// Close the DrawingContext to persist changes to the DrawingVisual.
context.Close();
_children.Add(vis);
if (_children.Count > NUM_DOTS)
{
_children.RemoveRange(0, NUM_DOTS / 20);
}
}
// Warning: this method is very dangerous because it does not prevent adding children
// into collection populated by generator. This may cause crashes if used incorrectly.
// Don't call this unless you are deriving a panel that is populating the collection
// in cooperation with the generator
internal void RemoveRangeInternal(int index, int count)
{
VisualCollection vc = _visualChildren;
int cnt = vc.Count;
if (count > (cnt - index))
{
count = cnt - index;
}
if (count > 0)
{
// copy children in VisualCollection so that we can clear the visual link first,
// followed by the logical link
Visual[] visuals = new Visual[count];
int i = index;
for (int loop = 0; loop < count; i++, loop++)
{
visuals[loop] = vc[i];
}
vc.RemoveRange(index, count);
//disconnect from logical tree
for (i = 0; i < count; i++)
{
UIElement e = visuals[i] as UIElement;
if (e != null)
{
ClearLogicalParent(e);
}
}
_visualParent.InvalidateMeasure();
}
}
public void Clear()
{
children.RemoveRange(2, children.Count - 2);
this.Objects.Clear();
}
public void Clear()
{
children.RemoveRange(0, children.Count);
Map.Clear();
hexagonCenters.Clear();
}
