private void DisplayFragment(Fragment f)
{
if(f != null)
{
MessageBox.Show(f.ToMultiLineString());
}
else
{
MessageBox.Show("fragment null");
}
}
private void DemoFragments()
{
List<Core.Fragment> lst = new List<Core.Fragment>();
for (int i = 1; i < 10; i++)
{
Core.Fragment f = new Core.Fragment("frg" + i);
f.SetMeta("DemoKey", "demo value for frg" + i);
if(i % 2 == 0)
{
f.SetMeta("ConditionalMetaKey", "example " + i);
}
lst.Add(f);
}
fmw.Receive(lst);
}
public Fragment DeepCopy()
{
Fragment f = null;
foreach (KeyValuePair<string, string> kv in _meta)
{
if (f == null)
{
f = new Fragment(kv.Key, kv.Value);
}
f.SetMeta(kv.Key, kv.Value);
}
f.DisplayKey = this.DisplayKey;
return f;
}
public void Merge(Fragment f, ConflictMergeAction cma)
{
foreach (KeyValuePair<string, string> kv in f.Meta)
{
if (_meta.ContainsKey(kv.Key))
{
switch (cma)
{
case ConflictMergeAction.OverwriteConflicts:
//overwrite current value
SetMeta(kv.Key, kv.Value);
break;
case ConflictMergeAction.SkipConflicts:
//skip value (leave alone)
break;
case ConflictMergeAction.ThrowErrorOnConflicts:
throw new FragmentMergeException("Merge Conflict for Fragment Key: " + kv.Key);
}
}
else
{
//no conflicts, just copy regardless of ConflictMergeAction
SetMeta(kv.Key, kv.Value);
}
}
DisplayKey = f.DisplayKey;
}
public ProcessableFragment(Fragment f, string processedKey)
: base("FragmentType", "Processable")
{
this.processedKey = processedKey;
Merge(f, ConflictMergeAction.OverwriteConflicts);
}
private void ExtractByKeys(object sender, RoutedEventArgs e)
{
List<string> keys = new List<string>();
List<Fragment> fragments = new List<Fragment>();
string key = "";
do
{
key = UI.Prompt.Input("Enter key to extract, or press enter to continue");
if (!string.IsNullOrWhiteSpace(key))
{
keys.Add(key);
}
} while (!string.IsNullOrWhiteSpace(key));
bool keysVerified = true;
foreach(Fragment f in window.GetFragments())
{
//break nested loop if key verification fails
if (!keysVerified)
{
break;
}
Fragment newFragment = null;
foreach(string k in keys)
{
string v = f.GetMeta(k);
if(v != null)
{
if(newFragment == null)
{
newFragment = new Fragment(k, v);
}
else
{
newFragment.SetMeta(k, v);
}
}else
{
keysVerified = false;
break;
}
}
fragments.Add(newFragment);
}
if (keysVerified)
{
window.Receive(fragments);
}
else
{
MessageBox.Show("keys could not be verified, one or more fragments missing specified keys");
}
}
