/// <summary>
///
/// </summary>
/// <param name="location"></param>
public void IncreaseLevel(Point location)
{
// If already zoomed, quit
if (iZoomIn)
{
return;
}
TreeRectangle selectedRectangle = null;
foreach (TreeRectangle rectangle in iCurrentRootRectangle.GetChildren())
{
selectedRectangle = rectangle.LocationInsideRectangle(location);
if (selectedRectangle != null)
{
break;
}
}
if (selectedRectangle != null)
{
this.iCurrentRootRectangle = selectedRectangle;
}
/************************************************************************/
/* THE SAME AS IN SIZECHANGED!!! CREATE INVALIDATEDATA / INVALIDATEVIEW */
/************************************************************************/
UpdateData();
UpdateScale();
UpdateDrawingArea();
this.Invalidate();
iZoomIn = true;
}
/// <summary>
/// Parse the whole tree squerifying all the nodes
/// </summary>
/// <param name="aRectangle">current rectangle</param>
public void SquarifyTree(TreeRectangle aRectangle)
{
if (0 == aRectangle.GetChildren().Count)
{
return;
}
List <TreeRectangle> row = new List <TreeRectangle>();
List <TreeRectangle> copyOfChildren = new List <TreeRectangle>(aRectangle.GetChildren());
SquarifyLevel(copyOfChildren, row, aRectangle);
foreach (TreeRectangle rect in aRectangle.GetChildren())
{
SquarifyTree(rect);
}
}
/// <summary>
/// Initializes the TreeMap from a descending order object[,,] cube
/// </summary>
/// <param name="aDataCube">[columns, rows, 1]</param>
/// <param name="aQuantitativeDataIndex"></param>
/// <param name="aOrdinalDataIndex"></param>
/// <param name="aIdIndex"></param>
private void InitTreeMapFromDataCube(object[, ,] aDataCube, int aQuantitativeDataIndex,
int aOrdinalDataIndex, int aIdIndex, int aLeafNodeLabelIndex,
List <GMSToolTipComponent> aToolTipComponents)
{
iRootRectangle = new TreeRectangle(0.0F);
iCurrentRootRectangle = iRootRectangle;
string currentGroup = (string)aDataCube[aOrdinalDataIndex, 0, 0];
TreeRectangle currentNode = new TreeRectangle(0.0F);
currentNode.Label = currentGroup;
// iterate through the rows
for (int i = 0; i < aDataCube.GetLength(1); i++)
{
// if changing to a different group
if (currentGroup != (string)aDataCube[aOrdinalDataIndex, i, 0])
{
// only add the node to the root if any children have been created
if (currentNode.GetChildren().Count != 0)
{
iRootRectangle.AddRectangle(currentNode);
}
currentNode = new TreeRectangle(0.0F);
currentGroup = (string)aDataCube[aOrdinalDataIndex, i, 0];
currentNode.Label = currentGroup;
}
float area = Convert.ToSingle(aDataCube[aQuantitativeDataIndex, i, 0]);
// only add the node if the area is bigger or equal to one
if (area >= 1.0F)
{
TreeRectangle childRectangle = new TreeRectangle(area);
childRectangle.Id = Convert.ToInt32(aDataCube[aIdIndex, i, 0]);
// Tooltip Data and Label
BuildToolTipData(childRectangle, aDataCube, aToolTipComponents, i);
childRectangle.Label = (string)aDataCube[aLeafNodeLabelIndex, i, 0];
currentNode.AddRectangle(childRectangle);
}
}
iRootRectangle.AddRectangle(currentNode);
}