private void AddItem([NotNull] string name, [NotNull] string value, int index)
{
Debug.ArgumentNotNull(name, nameof(name));
Debug.ArgumentNotNull(value, nameof(value));
itemsList.Add(new KeyValuePair <string, string>(name, value));
// There's only 2 tabbable fields for each item.
var firstTabIndex = index << 1;
var itemNameBox = new FocusedTextBox
{
Text = name,
TabIndex = firstTabIndex,
Style = textBoxStyle
};
itemNameBox.TextChanged += ItemTextChanged(index);
itemNameBox.LostFocus += ItemLostFocus(index);
var itemValueBox = new ComboBox
{
TabIndex = firstTabIndex + 1,
Style = comboBoxStyle
};
LoadItems(itemValueBox);
SelectItem(itemValueBox, value);
itemValueBox.SelectionChanged += ItemSelectionChanged(index);
itemValueBox.LostFocus += ItemLostFocus(index);
NameStack.Children.Add(itemNameBox);
ValueStack.Children.Add(itemValueBox);
}
/// <summary>
/// Construct a new instance.
/// </summary>
/// <param name="postingTextbox">Whether a textbox for posting new messages should be displayed.</param>
public StandAloneChatDisplay(bool postingTextbox = false)
{
this.postingTextbox = postingTextbox;
CornerRadius = 10;
Masking = true;
InternalChildren = new Drawable[]
{
new Box
{
Colour = Color4.Black,
Alpha = 0.8f,
RelativeSizeAxes = Axes.Both
},
};
if (postingTextbox)
{
AddInternal(textbox = new FocusedTextBox
{
RelativeSizeAxes = Axes.X,
Height = textbox_height,
PlaceholderText = "type your message",
OnCommit = postMessage,
ReleaseFocusOnCommit = false,
HoldFocus = true,
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
});
}
Channel.BindValueChanged(channelChanged);
}
private void LastTextChanged([NotNull] object sender, [NotNull] TextChangedEventArgs e)
{
Debug.ArgumentNotNull(sender, nameof(sender));
Debug.ArgumentNotNull(e, nameof(e));
var lastIndex = itemsList.Count;
var lastNameBox = (FocusedTextBox)NameStack.Children[lastIndex];
var lastValueBox = (FocusedTextBox)ValueStack.Children[lastIndex];
if (lastNameBox == null || lastValueBox == null)
{
return;
}
// If there's no content in either of the boxes, return.
if (lastNameBox.Text == string.Empty && lastValueBox.Text == string.Empty)
{
return;
}
// Add the newly created item to the model.
itemsList.Add(new KeyValuePair <string, string>(lastNameBox.Text, lastValueBox.Text));
var currentTabIndex = lastValueBox.TabIndex;
// Add some new last boxes.
var newLastNameBox = new FocusedTextBox
{
TabIndex = ++currentTabIndex,
Style = textBoxStyle
};
newLastNameBox.TextChanged += LastTextChanged;
NameStack.Children.Add(newLastNameBox);
var newLastValueBox = new FocusedTextBox
{
TabIndex = ++currentTabIndex,
Style = textBoxStyle
};
newLastValueBox.TextChanged += LastTextChanged;
ValueStack.Children.Add(newLastValueBox);
// Unbind last text listeners (the delegate boxes are no longer last).
lastNameBox.TextChanged -= LastTextChanged;
lastValueBox.TextChanged -= LastTextChanged;
lastNameBox.TextChanged += ItemTextChanged(lastIndex);
lastValueBox.TextChanged += ItemTextChanged(lastIndex);
lastNameBox.LostFocus += ItemLostFocus(lastIndex);
lastValueBox.LostFocus += ItemLostFocus(lastIndex);
}
private void LastTextChanged()
{
var lastIndex = itemsList.Count;
var lastNameBox = (FocusedTextBox)NameStack.Children[lastIndex];
var lastValueBox = (ComboBox)ValueStack.Children[lastIndex];
if (lastNameBox == null || lastValueBox == null)
{
return;
}
// If there's no content in either of the boxes, return.
if (lastNameBox.Text == string.Empty && GetSelectedValue(lastValueBox) == string.Empty)
{
return;
}
// Add the newly created item to the model.
itemsList.Add(new KeyValuePair <string, string>(lastNameBox.Text, GetSelectedValue(lastValueBox)));
var currentTabIndex = lastValueBox.TabIndex;
// Add some new last boxes.
var newLastNameBox = new FocusedTextBox
{
TabIndex = ++currentTabIndex,
Style = textBoxStyle
};
newLastNameBox.TextChanged += LastTextChanged;
NameStack.Children.Add(newLastNameBox);
var newLastValueBox = new ComboBox
{
TabIndex = ++currentTabIndex,
Style = comboBoxStyle
};
LoadItems(newLastValueBox);
newLastValueBox.SelectionChanged += LastTextChanged;
ValueStack.Children.Add(newLastValueBox);
// Unbind last text listeners (the delegate boxes are no longer last).
lastNameBox.TextChanged -= LastTextChanged;
lastValueBox.SelectionChanged -= LastTextChanged;
lastNameBox.TextChanged += ItemTextChanged(lastIndex);
lastValueBox.SelectionChanged += ItemSelectionChanged(lastIndex);
lastNameBox.LostFocus += ItemLostFocus(lastIndex);
lastValueBox.LostFocus += ItemLostFocus(lastIndex);
}
private void AggregateView_OnLoaded(object sender, RoutedEventArgs e)
{
FocusedTextBox.Focus();
}
public void SetValue(string value)
{
Assert.ArgumentNotNull(value, nameof(value));
var items = value.Split('&');
var i = -1;
var changed = false;
foreach (var item in items)
{
var parts = item.Split('=');
if (parts.Length < 2)
{
continue;
}
i++;
var itemName = HttpUtility.UrlDecode(parts[0]) ?? string.Empty;
var itemValue = HttpUtility.UrlDecode(parts[1]) ?? string.Empty;
var lastIndex = itemsList.Count;
if (lastIndex == 0)
{
NameStack.Children.Clear();
ValueStack.Children.Clear();
}
changed = lastIndex <= i;
if (changed)
{
AddItem(itemName, itemValue, i);
}
else if (itemsList[i].Key != itemName || itemsList[i].Value != itemValue)
{
changed = true;
itemsList[i] = new KeyValuePair <string, string>(itemName, itemValue);
var currentNameBox = (FocusedTextBox)NameStack.Children[i];
var currentValueBox = (ComboBox)ValueStack.Children[i];
if (currentNameBox == null || currentValueBox == null)
{
continue;
}
currentNameBox.Text = itemName;
SelectItem(currentValueBox, itemValue);
}
}
i++;
var remainderCount = itemsList.Count - i;
NameStack.Children.RemoveRange(i, remainderCount);
ValueStack.Children.RemoveRange(i, remainderCount);
itemsList.RemoveRange(i, remainderCount);
var lastNameBox = new FocusedTextBox
{
Style = textBoxStyle
};
lastNameBox.TextChanged += LastTextChanged;
var lastValueBox = new ComboBox
{
Style = comboBoxStyle
};
LoadItems(lastValueBox);
lastValueBox.SelectionChanged += LastTextChanged;
NameStack.Children.Add(lastNameBox);
ValueStack.Children.Add(lastValueBox);
if (changed)
{
ValueModifiedNotify();
}
}
protected void Page_Load(object sender, EventArgs e)
{
FocusedTextBox.Focus();
}
