/// <summary>
/// Function that is called by the Call back function when the Property Bar Color / ZColorValues changes.
/// This function converts the string input of Bar color values to an array of Color Values.
/// </summary>
/// <param name="currentObject"></param>
private static void UpdateZColorValues(WPF3DChart currentObject)
{
try
{
// First let's split the Input Colors to string array.
string[] ZValueColorStrings = currentObject.ZValuesColor.Split(",".ToCharArray(), MAX_INPUT_EXPECTED);
// If there are no Z axis Items, then there is no point in computing the Colors.
if (currentObject.ZItems == null || currentObject.ZItems.Length == 0) return;
// Initialize an array of colors to hold the Z Values
currentObject.ZPlaneColors = new Color[currentObject.ZItems.Length];
int Counter = 0;
// Fill in the Color values to the Array
foreach (string zValueColorItem in ZValueColorStrings)
{
// Trim the string colors as user input may contain spaces
string trimmedzValueColorItem = zValueColorItem.Trim();
// This function ColorFromString returns Media Color from the string value.
currentObject.ZPlaneColors[Counter] = currentObject.ColorFromString(trimmedzValueColorItem);
Counter++;
// If the array is full, we need no more color values.
if (Counter >= currentObject.ZItems.Length) break;
}
// In case, if the user has not specified enough colors, we fill with default color
while (Counter < currentObject.ZItems.Length)
{
currentObject.ZPlaneColors[Counter] = currentObject.ColorFromString(DEFAULT_COLOR);
Counter++;
}
}
catch
{
// If there's an exception, then exit gracefully showing error to the user
MessageBox.Show("Error in Color values input. Correct it and try again");
}
}
/// <summary>
/// This method is called by the callback function to update the Y values array in
/// the 3D bar chart graph
/// </summary>
/// <param name="currentObject"></param>
private static void UpdateYValues(WPF3DChart currentObject)
{
try
{
// Create a string array from the User input
string[] YIemsArray = currentObject.YValuesInput.Split(",".ToCharArray(), MAX_INPUT_EXPECTED);
// If there are no Z input values, there is no point in computing the bar length using Y values.
if (currentObject.ZValuesInput == null ||
currentObject.XValuesInput == null ||
currentObject.ZValuesInput.Length * currentObject.XValuesInput.Length == 0) return;
// Initialize the array with number of expected Y values. This is because the user might have
// given more values or less values.
currentObject.YItems = new int[currentObject.ZValuesInput.Length * currentObject.XValuesInput.Length];
int Counter = 0;
// Fill in the array based on user input
foreach (string yItemInArray in YIemsArray)
{
string yItem = yItemInArray.Trim();
try
{
currentObject.YItems[Counter] = int.Parse(yItem);
}
catch
{
// If the user input is wrong, fill that value to be 0.
currentObject.YItems[Counter] = int.Parse("0");
}
Counter++;
}
// If the user has less Y values inputs, then fill the empty with 0 values.
while (Counter < currentObject.ZValuesInput.Length * currentObject.XValuesInput.Length)
{
currentObject.YItems[Counter] = 0;
Counter++;
}
}
catch
{
// If there's an exception, then exit gracefully showing error to the user
MessageBox.Show("错误的图表值输入！");
}
}
