private void groupListView_ItemCheck(object sender, ItemCheckEventArgs e)
{
// A checkbox will be checked/unchecked soon....
try
{
ListViewItem currentItem = groupListView.Items[e.Index];
PCH.InstallGroup currentGroup = (PCH.InstallGroup)currentItem.Tag;
if (e.NewValue == CheckState.Unchecked && PCH.REQUIRED_GROUP_NAME.Equals(currentGroup.name))
{
e.NewValue = e.CurrentValue;
}
else if (!PCH.REQUIRED_GROUP_NAME.Equals(currentGroup.name))
{
if (e.NewValue == CheckState.Checked)
{
// Checks required group
string requiredGroupName = currentGroup.parentName;
if (!string.IsNullOrEmpty(requiredGroupName) && groupListView.Items.ContainsKey(requiredGroupName))
{
ListViewItem searchedItem = groupListView.Items[requiredGroupName];
if (!searchedItem.Checked)
{
searchedItem.Checked = true;
}
}
// Unchecks all excluded groups
Collection <string> excludedGroups = currentGroup.excludedGroupNames;
foreach (string anotherGroupName in excludedGroups)
{
if (!string.IsNullOrEmpty(anotherGroupName) && groupListView.Items.ContainsKey(anotherGroupName))
{
ListViewItem searchedItem = groupListView.Items[anotherGroupName];
if (searchedItem.Checked)
{
searchedItem.Checked = false;
}
}
}
}
else
{
// Unchecks all groups depending on it
foreach (ListViewItem anotherLvi in groupListView.Items)
{
if (anotherLvi.Tag != null)
{
PCH.InstallGroup anotherGroup = (PCH.InstallGroup)anotherLvi.Tag;
if (!string.IsNullOrEmpty(anotherGroup.parentName) &&
anotherGroup.parentName.Equals(currentGroup.name) &&
anotherLvi.Checked)
{
anotherLvi.Checked = false;
}
}
}
}
}
}
catch (Exception ex)
{
MessageBoxes.ShowError(this, ex);
}
}
