/// <summary>
/// Adds new matches amongst all entries not included in the group.
/// </summary>
private void BttnCondApply_Click(object sender, RoutedEventArgs e)
{
uint numConditions = (uint)grouping.GetData("numConditions");
bool wasEntryAdded = false;
//Iterates through each entry that's not in the group.
var entries = project.GetCollectionEntries(
project.GetGroupingCollection(grouping))
.Except(project.GetGroupingEntries(grouping)).ToList();
for (int i = 0; i < entries.Count; i++)
{
string name = ((string)entries[i].GetData("name")).ToLower();
//Iterates through each condition.
for (int j = 0; j < numConditions; j++)
{
var condType = (GroupingCondType)
grouping.GetData("conditionType" + j);
if (condType == GroupingCondType.ByLetter)
{
//Gets condition data.
var condFromLetter = ((string)
grouping.GetData("condAddFromLetter" + j))
.ToLower();
var condToLetter = ((string)
grouping.GetData("condAddToLetter" + j))
.ToLower();
//Skips invalid conditions.
if (condFromLetter?.Length == 0 ||
condToLetter?.Length == 0)
{
continue;
}
//Adds if the character range matches.
if (condFromLetter.CompareTo(name) <= 0 &&
condToLetter.CompareTo(name) >= 0)
{
wasEntryAdded = true;
project.AddGroupingEntryRef(
grouping.guid,
entries[i].guid);
//Removes the first match from the out group.
for (int k = 0; k < gui.LstbxOutGroup.Items.Count; k++)
{
if (((LstbxDataItem)gui.LstbxOutGroup.Items[k]).GetItem().guid ==
entries[i].guid)
{
gui.LstbxOutGroup.Items.Remove(entries[i]);
break;
}
}
//Creates a new item for the entry.
var item = new LstbxDataItem(entries[i]);
item.Selected += new RoutedEventHandler((a, b) =>
{
ActiveEntry = item;
//Ensures only one item is selected at once.
if (gui.LstbxInGroup.Items.Contains(ActiveEntry))
{
gui.LstbxOutGroup.SelectedItem = null;
}
else
{
gui.LstbxInGroup.SelectedItem = null;
}
});
//Adds to the in group.
gui.LstbxInGroup.Items.Add(item);
break;
}
}
}
}
//Grouping can only regain focus after adding entries if
//any were actually added, so this ensures grouping has focus.
if (wasEntryAdded)
{
EntryIncluded?.Invoke(this, null);
}
}
/// <summary>
/// Sets the page content based on existing material.
/// </summary>
public void ConstructPage()
{
gui = new PgGroupingGuiEdit();
#region Grouping name
//Sets the grouping name.
if (string.IsNullOrWhiteSpace((string)grouping.GetData("name")))
{
gui.TxtblkGroupingName.Text = GlobalStrings.NameUntitled;
}
else
{
gui.TxtblkGroupingName.Text = (string)grouping.GetData("name");
}
//Handles changes to the grouping name.
gui.TxtblkGroupingName.TextChanged += new TextChangedEventHandler((a, b) =>
{
if (!string.IsNullOrWhiteSpace(gui.TxtblkGroupingName.Text))
{
grouping.SetData("name", gui.TxtblkGroupingName.Text);
}
//If the textbox is empty, it will keep the last character.
gui.TxtblkGroupingName.Text = (string)grouping.GetData("name");
DataNameChanged?.Invoke(this, null);
});
#endregion
//All menu items are represented as entries for consistency.
#region Menu Item Columns
#region Menu item, move left/right
var funcMenuItemMove = new Action(() =>
{
if (ActiveEntry == null)
{
return;
}
//Moves the item in or out of the group (deletion/addition).
if (gui.LstbxInGroup.Items.Contains(ActiveEntry))
{
//Finds the entry reference for the current group that
//represents the entry, then removes the reference.
var refs = project.GetGroupingEntryRefs(grouping);
for (int i = 0; i < refs.Count; i++)
{
if ((ulong)refs[i].GetData("entryGuid") ==
ActiveEntry.GetItem().guid)
{
project.DeleteItemByGuid(refs[i].guid);
}
}
gui.LstbxInGroup.Items.Remove(ActiveEntry);
gui.LstbxOutGroup.Items.Add(ActiveEntry);
}
else
{
project.AddGroupingEntryRef(
grouping.guid,
ActiveEntry.GetItem().guid);
gui.LstbxOutGroup.Items.Remove(ActiveEntry);
gui.LstbxInGroup.Items.Add(ActiveEntry);
EntryIncluded?.Invoke(this, null);
}
});
#endregion
#region Menuitem, selected
var funcMenuItemSelected = new Action <LstbxDataItem>((newItem) =>
{
ActiveEntry = newItem;
//Ensures only one item is selected at once.
if (gui.LstbxInGroup.Items.Contains(ActiveEntry))
{
gui.LstbxOutGroup.SelectedItem = null;
}
else
{
gui.LstbxInGroup.SelectedItem = null;
}
});
#endregion
#region Populate menu items
//Adds every menu item in its original order.
var col = project.GetGroupingCollection(grouping);
var entries = project.GetGroupingEntries(grouping);
var colEntries = project.GetCollectionEntries(col);
//Adds entries to their respective lists via group inclusiveness.
for (int i = 0; i < colEntries.Count; i++)
{
var item = new LstbxDataItem(colEntries[i]);
//Looks to see if this entry is in the group.
var result = entries.Find(new Predicate <DataItem>((a) =>
{
return(a.guid.Equals(colEntries[i].guid));
}));
//Adds the entry based on whether it's in the group.
if (result != null)
{
gui.LstbxInGroup.Items.Add(item);
}
else
{
gui.LstbxOutGroup.Items.Add(item);
}
//Handles item selection.
item.Selected += new RoutedEventHandler((a, b) =>
{
funcMenuItemSelected(item);
});
}
#endregion
#region Keyboard event handling
gui.LstbxInGroup.KeyDown += new KeyEventHandler((a, b) =>
{
//Right key pressed: Move to 2nd column
if (b.Key == Key.Right && b.IsDown && ActiveEntry != null)
{
funcMenuItemMove();
}
});
gui.LstbxOutGroup.KeyDown += new KeyEventHandler((a, b) =>
{
//Left key pressed: Move to 1st column
if (b.Key == Key.Left && b.IsDown &&
gui.LstbxOutGroup.SelectedItem != null)
{
funcMenuItemMove();
}
#endregion
});
#endregion
#region Left arrow key pressed
gui.BttnMoveLeft.MouseDown += new MouseButtonEventHandler((a, b) =>
{
if (gui.LstbxOutGroup.SelectedItem != null)
{
funcMenuItemMove();
}
});
#endregion
#region Right arrow key pressed
gui.BttnMoveRight.MouseDown += new MouseButtonEventHandler((a, b) =>
{
if (gui.LstbxInGroup.SelectedItem != null)
{
funcMenuItemMove();
}
});
#endregion
#region Grouping conditions
gui.BttnCondAdd.Click += BttnCondAdd_Click;
gui.BttnCondApply.Click += BttnCondApply_Click;
//Populates all grouping conditions.
uint numConditions = (uint)grouping.GetData("numConditions");
for (int i = 0; i < numConditions; i++)
{
var condType = (GroupingCondType)
grouping.GetData("conditionType" + i);
switch (condType)
{
case (GroupingCondType.ByLetter):
string condFromLetter = (string)
grouping.GetData("condAddFromLetter" + i);
string condToLetter = (string)
grouping.GetData("condAddToLetter" + i);
gui.GroupConditions.Children.Add(
AddConditionByRange(condFromLetter, condToLetter, (uint)i));
break;
}
}
#endregion
}
