private void DetachRuleControl(RuleControl rc)
{
if (rc.Next != null)
{
rc.Next.SetPrevious(rc.Previous);
}
if (rc.Previous != null)
{
rc.Previous.Next = rc.Next;
}
}
private void AttachRuleControl(RuleControl rc, RuleControl prev, RuleControl next)
{
if (prev != null)
{
prev.Next = rc;
}
if (next != null)
{
next.SetPrevious(rc);
}
rc.SetPrevious(prev);
rc.Next = next;
}
private RuleControl FindRuleControlFromPoint(RuleControl dragging, int Y, int dirY)
{
var pt = pnlRules.PointToClient(new Point(pnlRules.Width / 2, Y));
while (pnlRules.ClientRectangle.Contains(pt))
{
if (pnlRules.GetChildAtPoint(pt) is RuleControl ruleControl && ruleControl != dragging)
{
return(ruleControl);
}
pt.Y += dirY * 31;
}
return(null);
}
private RuleControl AddRulesToPanel(IEnumerable <RuleDto> rules)
{
var removeRules = new List <RuleDto>();
RuleControl prev = null;
RuleControl head = null;
foreach (var rule in rules)
{
var ruleControl = ProcessRule(rule, removeRules, prev);
if (ruleControl != null)
{
head = head ?? ruleControl;
ruleControl.HideForm += (rc) => { HideForm(); };
ruleControl.DeleteRule += (rc, r) =>
{
var deleteResult = ruleService.Delete(r.Id);
if (deleteResult.Successful)
{
DetachRuleControl(rc);
pnlRules.Controls.Remove(rc);
}
};
ruleControl.UpdateRule += (rc, r) => { ruleService.Update(r); };
pnlRules.Controls.Add(ruleControl);
if (prev != null)
{
prev.Next = ruleControl;
}
prev = ruleControl;
}
}
foreach (var ruleToDelete in removeRules)
{
ruleService.Delete(ruleToDelete.Id);
}
ResetRulesScroll();
return(head);
}
private RuleControl ProcessRule(RuleDto rule, List <RuleDto> removeRules, RuleControl prev)
{
var matchingFwRules = firewallService.GetMatchingRules(rule.Name, rule.Profile, rule.Direction);
var matchingFwRulesCount = matchingFwRules.Count();
if (matchingFwRulesCount == 0)
{
DeleteRule(rule, removeRules);
}
else
{
FirewallRuleDto fwRule = null;
if (matchingFwRulesCount > 1)
{
using (var selectRule = new SelectRuleForm(rule, matchingFwRules))
{
if (selectRule.ShowDialog() == DialogResult.OK)
{
fwRule = selectRule.SelectedRule;
}
}
}
else
{
fwRule = matchingFwRules.Single();
}
if (fwRule == null)
{
DeleteRule(rule, removeRules);
}
else
{
var ruleControl = prev == null
? new RuleControl(rule, fwRule, FIRST_RULE_LOCATION, firewallService)
: new RuleControl(rule, fwRule, prev, firewallService);
return(ruleControl);
}
}
return(null);
}
public void SetPrevious(RuleControl nextPrevious, bool updateLocation = true)
{
if (Previous != null && !Previous.IsDisposed)
{
Previous.LocationChanged -= UpdateLocation;
}
if (nextPrevious != null)
{
nextPrevious.LocationChanged += UpdateLocation;
}
Previous = nextPrevious;
if (updateLocation)
{
Location = Previous != null
? LocationFromPrevious()
: FIRST_RULE_LOCATION;
}
}
private RuleControl(
RuleDto rule, FirewallRuleDto firewallRuleDto,
RuleControl previous, Point?location,
IFirewallService firewallService)
{
if (previous == null && location == null)
{
throw new ArgumentNullException(
$"{nameof(previous)},{nameof(location)}");
}
InitializeComponent();
Previous = previous;
Rule = rule;
this.firewallRuleDto = firewallRuleDto;
this.firewallService = firewallService;
MyInitializeComponent(location);
}
public RuleControl(
RuleDto rule, FirewallRuleDto firewallRuleDto,
RuleControl previous, IFirewallService firewallService)
: this(rule, firewallRuleDto, previous, null, firewallService)
{
}