private void deleteValueButton_Click(object sender, EventArgs e)
{
if (Painter.ActiveLayer == null)
{
return;
}
SelectValueForm selectValueForm = new SelectValueForm();
selectValueForm.InitializeValues(listedValue.ToArray());
selectValueForm.ValueName = "Value";
selectValueForm.NewValue = false;
selectValueForm.Text = "Remove Values";
selectValueForm.MultiSelect = true;
if (selectValueForm.ShowDialog() == DialogResult.OK)
{
string[] removedValues = selectValueForm.SelectedValues;
ListViewItem[] items = new ListViewItem[removedValues.Length];
for(int i = 0; i < removedValues.Length; i++)
{
for(int j = 0; j < valueListBox.Items.Count; j++)
{
if (valueListBox.Items[j].Text == removedValues[i])
{
items[i] = valueListBox.Items[j];
break;
}
}
}
foreach (ListViewItem item in items)
{
listedValue.Remove(item.Text);
valueListBox.Items.Remove(item);
}
}
}
private void addValueButton_Click(object sender, EventArgs e)
{
try
{
if (Painter.ActiveLayer == null)
{
return;
}
if (Raster.IsCategorical(Painter.ActiveLayer))
{
// If this data is a categorical data, we are able to get access
// to its attribute table and get the value list.
IDataset rasterDataset = (IDataset)Painter.ActiveLayer;
ITable table = (ITable)rasterDataset;
List<string> unlistedValues = new List<string>();
for (int x = 0; x < table.RowCount(null); x++)
{
string value = table.GetRow(x).get_Value(1).ToString();
if (!listedValue.Contains(value))
{
unlistedValues.Add(value);
}
}
SelectValueForm selectValueForm = new SelectValueForm();
selectValueForm.InitializeValues(unlistedValues.ToArray());
selectValueForm.ValueName = "Value";
selectValueForm.NewValue = false;
selectValueForm.MultiSelect = true;
selectValueForm.Text = "Add Values";
if (selectValueForm.ShowDialog() == DialogResult.OK)
{
string[] selectedValues = selectValueForm.SelectedValues;
foreach (string value in selectedValues)
{
AddNewValueSymbol(value);
}
}
}
else
{
// If it is a data with continuous data type, we are not able to
// get a value list. We can only add new data without using a
// value list.
addNewValueToolStripMenuItem.PerformClick();
}
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Unfortunately, the application meets an error.\n\nSource: {0}\nSite: {1}\nMessage: {2}", ex.Source, ex.TargetSite, ex.Message), "Error");
}
}