private static void child_click(object sender, RoutedEventArgs e)
{
TreeMap3D treeMap3D = (TreeMap3D)sender;
TreeMap3DElement element = e.Source as TreeMap3DElement;
treeMap3D.childClick(element);
}
private void refresh(IList newValues)
{
VerifyAccess();
if (newValues == null)
{
newValues = new object[0];
}
// update/add weights
double totalWeight = 0;
TreeMap3DElement element;
for (int i = 0; i < newValues.Count; i++)
{
if (i >= m_elements.Count)
{
element = new TreeMap3DElement(i, newValues.Count);
element.Data = newValues[i];
element.WeightBindingPath = m_weightBindingPath;
AddVisual3DChild(element);
m_elements.Add(element);
}
else
{
m_elements[i].Data = newValues[i];
element = m_elements[i];
}
totalWeight += element.Weight;
}
// remove any no-longer needed 3D objects
for (int i = newValues.Count - 1; i >= m_elements.Count; i--)
{
element = m_elements[i];
RemoveVisual3DChild(element);
m_elements.RemoveAt(i);
}
updateMap(totalWeight);
}
private void childClick(TreeMap3DElement element)
{
if (m_lastClickedElement != null && m_lastClickedElement != element)
{
m_lastClickedElement.IsSelected = false;
}
m_lastClickedElement = element;
if (element != null)
{
if (m_elements.Contains(element))
{
if (element != m_selectedElement)
{
if (m_selectedElement == null)
{
foreach (TreeMap3DElement childElement in m_elements)
{
childElement.IsSelected = false;
}
}
element.IsSelected = true;
onSelectionChanged(
(m_selectedElement == null) ? null : m_selectedElement.Data,
element.Data);
m_selectedElement = element;
}
else
{
foreach (TreeMap3DElement childElement in m_elements)
{
childElement.IsSelected = true;
}
onSelectionChanged(m_selectedElement.Data, null);
m_selectedElement = null;
}
}
}
}
private void refresh(IList newValues)
{
VerifyAccess();
if (newValues == null)
{
newValues = new object[0];
}
// update/add weights
double totalWeight = 0;
TreeMap3DElement element;
for (int i = 0; i < newValues.Count; i++)
{
if (i >= m_elements.Count)
{
element = new TreeMap3DElement(i, newValues.Count);
element.Data = newValues[i];
element.WeightBindingPath = m_weightBindingPath;
AddVisual3DChild(element);
m_elements.Add(element);
}
else
{
m_elements[i].Data = newValues[i];
element = m_elements[i];
}
totalWeight += element.Weight;
}
// remove any no-longer needed 3D objects
for (int i = newValues.Count - 1; i >= m_elements.Count; i--)
{
element = m_elements[i];
RemoveVisual3DChild(element);
m_elements.RemoveAt(i);
}
updateMap(totalWeight);
}
private void childClick(TreeMap3DElement element)
{
if (m_lastClickedElement != null && m_lastClickedElement != element)
{
m_lastClickedElement.IsSelected = false;
}
m_lastClickedElement = element;
if (element != null)
{
if (m_elements.Contains(element))
{
if (element != m_selectedElement)
{
if (m_selectedElement == null)
{
foreach (TreeMap3DElement childElement in m_elements)
{
childElement.IsSelected = false;
}
}
element.IsSelected = true;
onSelectionChanged(
(m_selectedElement == null) ? null : m_selectedElement.Data,
element.Data);
m_selectedElement = element;
}
else
{
foreach (TreeMap3DElement childElement in m_elements)
{
childElement.IsSelected = true;
}
onSelectionChanged(m_selectedElement.Data, null);
m_selectedElement = null;
}
}
}
}
private void updateMap(double totalWeight)
{
ComputeWeightMap();
double maxArea = -1;
Rect strip = new Rect(new Size(1, 1));
int arranged = 0;
while (arranged < m_elements.Count)
{
double bestStripWeight = 0;
double bestRatio = double.PositiveInfinity;
int i;
if (strip.Width > strip.Height)
{
double bestWidth = strip.Width;
// Arrange Vertically
for (i = arranged; i < m_elements.Count; i++)
{
double stripWeight = bestStripWeight + GetWeight(i);
double ratio = double.PositiveInfinity;
double width = strip.Width * stripWeight / totalWeight;
for (int j = arranged; j <= i; j++)
{
double height = strip.Height * GetWeight(j) / stripWeight;
ratio = Math.Min(ratio, height > width ? height / width : width / height);
if (ratio > bestRatio)
{
goto ArrangeVertical;
}
}
bestRatio = ratio;
bestWidth = width;
bestStripWeight = stripWeight;
}
ArrangeVertical:
double y = strip.Y;
for (; arranged < i; arranged++)
{
TreeMap3DElement child = getChild(arranged);
double height = strip.Height * GetWeight(arranged) / bestStripWeight;
child.SetScale(bestWidth, height, bestWidth * height);
child.SetLocation(strip.X, y, 0);
if (maxArea < bestWidth * height)
{
maxArea = bestWidth * height;
}
y += height;
}
strip.X = strip.X + bestWidth;
strip.Width = Math.Max(0.0, strip.Width - bestWidth);
}
else
{
double bestHeight = strip.Height;
// Arrange Horizontally
for (i = arranged; i < m_elements.Count; i++)
{
double stripWeight = bestStripWeight + GetWeight(i);
double ratio = double.PositiveInfinity;
double height = strip.Height * stripWeight / totalWeight;
for (int j = arranged; j <= i; j++)
{
double width = strip.Width * GetWeight(j) / stripWeight;
ratio = Math.Min(ratio, height > width ? height / width : width / height);
if (ratio > bestRatio)
{
goto ArrangeHorizontal;
}
}
bestRatio = ratio;
bestHeight = height;
bestStripWeight = stripWeight;
}
ArrangeHorizontal:
double x = strip.X;
for (; arranged < i; arranged++)
{
TreeMap3DElement child = getChild(arranged);
double width = strip.Width * GetWeight(arranged) / bestStripWeight;
child.SetScale(width, bestHeight, width * bestHeight);
child.SetLocation(x, strip.Y, 0);
if (maxArea < width * bestHeight)
{
maxArea = width * bestHeight;
}
x += width;
}
strip.Y = strip.Y + bestHeight;
strip.Height = Math.Max(0.0, strip.Height - bestHeight);
}
totalWeight -= bestStripWeight;
}
foreach (TreeMap3DElement elem in m_elements)
{
elem.ScaleZ(2 * maxArea);
}
m_weightMap = null;
}
