//public event search over
//{
// 在事件参数中，传递被选中的对象，外部响应这个时间，并进行处理
//}
protected virtual void SearchEventTrigger(String key)
{
SearchEventArgs sea = new SearchEventArgs();
sea.SearchKey = key;
SearchChanged.Invoke(this, sea);
}
protected virtual async Task OnSearchChanged()
{
SearchEventArgs args = new SearchEventArgs();
args.SearchValue = Grid.Settings.SearchSettings.SearchValue;
if (SearchChanged != null)
{
await SearchChanged.Invoke(this, args);
}
}
/// <summary>
/// Clears the selected value and the search field.
/// </summary>
public async Task Clear()
{
CurrentSearch = null;
dropdownRef.Hide();
SelectedText = string.Empty;
SelectedValue = default;
await SelectedValueChanged.InvokeAsync(selectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
}
protected virtual async Task OnSearchChanged()
{
// Filter changes must not init checked keys
//InitCheckedKeys();
SearchEventArgs args = new SearchEventArgs();
args.SearchValue = Grid.Settings.SearchSettings.SearchValue;
if (SearchChanged != null)
{
await SearchChanged.Invoke(this, args);
}
}
private async Task HandleDropdownItemClicked(object value)
{
CurrentSearch = null;
dropdownRef.Hide();
var item = Data.FirstOrDefault(x => EqualityComparer <object> .Default.Equals(ValueField(x), value));
SelectedText = item != null?TextField?.Invoke(item) : string.Empty;
SelectedValue = value;
await SelectedValueChanged.InvokeAsync(SelectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
}
private async Task OnDropdownItemClicked(object value)
{
CurrentSearch = null;
dropdownRef.Hide();
var item = Data.FirstOrDefault(x => ValueField(x).IsEqual(value));
SelectedText = item != null?TextField?.Invoke(item) : string.Empty;
SelectedValue = Converters.ChangeType <TValue>(value);
await SelectedValueChanged.InvokeAsync(SelectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
await textEditRef?.Revalidate();
}
public FindBar()
{
InitializeComponent();
BackColor = ColorTranslator.FromHtml("#4C4A48");
textBox1.BackColor = ColorTranslator.FromHtml("#4C4A48");
textBox1.BorderStyle = BorderStyle.None;
pictureBox1.Height = 20;
textBox1.ForeColor = Color.White;
textBox1.TextChanged += delegate {
SearchChanged?.Invoke(this, new SearchEventArgs {
text = textBox1.Text
});
};
Height = 20;
pictureBox1.MouseClick += delegate(object o, MouseEventArgs args) {
if (args.Button == MouseButtons.Left)
{
close();
}
};
VisibleChanged += delegate {
if (Visible)
{
textBox1.BorderStyle = BorderStyle.None;
pictureBox1.Size = new Size(30, textBox1.Height);
textBox1.Left = pictureBox1.Right + 10;
textBox1.Width = Width - pictureBox1.Width - 25;
textBox1.Font = new Font(textBox1.Font.FontFamily, Height / 2);
textBox1.Focus();
}
};
LocationChanged += delegate {
pictureBox1.runOnUiThread(() => {
pictureBox1.Dock = DockStyle.Left;
pictureBox1.Size = new Size(30, 32);
pictureBox1.Location = new Point(0, 0);
});
};
}
/// <summary>
/// Handles the search field onchange or oninput event.
/// </summary>
/// <param name="text">Serach value.</param>
/// <returns>Returns awaitable task</returns>
protected async Task OnTextChangedHandler(string text)
{
CurrentSearch = text ?? string.Empty;
SelectedText = CurrentSearch;
dirtyFilter = true;
if (text?.Length >= MinLength && FilteredData.Any())
{
dropdownRef.Show();
}
else
{
dropdownRef.Hide();
}
//If input field is empty, clear current SelectedValue.
if (string.IsNullOrEmpty(text))
{
await Clear();
}
await SearchChanged.InvokeAsync(CurrentSearch);
}
public void OnSearchChanged(SearchChangedEventArgs e)
{
SearchChanged?.Invoke(this, e);
}
private void InitializeTreeViewCallbacks()
{
treeView.SearchChangedCallback += (newSearch) =>
{
SearchChanged?.Invoke(newSearch);
OnSearchChanged(newSearch);
};
treeView.DoesElementMatchSearchCallback += DoesElementMatchSearch;
treeView.KeyboardInputChangedCallback += () =>
{
KeyboardInputChanged?.Invoke();
OnKeyboardInputChanged();
};
treeView.SingleClickedElementCallback += id =>
{
SingleClickedElement?.Invoke(id);
OnSingleClickedElement(id);
};
treeView.DoubleClickedElementCallback += id =>
{
DoubleClickedElement?.Invoke(id);
OnDoubleClickedElement(id);
};
treeView.CanMultiSelectCallback += CanMultiSelect;
treeView.SelectionChangedCallback += selection =>
{
SelectionChanged?.Invoke(selection);
OnSelectionChanged(selection);
};
treeView.ContextClickedElementCallback += id =>
{
showContextMenuInNextDraw = true;
RepaintTree();
ContextClickedElement?.Invoke(id);
OnContextClickedElement(id);
};
treeView.ContextClickedOutsideElementsCallback += () =>
{
ContextClickedOutsideElements?.Invoke();
OnContextClickedOutsideElements();
};
treeView.ElementDrawedCallback += (id, rect) =>
{
DrawElementBase(rect, id);
};
treeView.ElementsDraggingCallback += (insertIndex, draggedIDs) =>
{
ElementsDragging?.Invoke(insertIndex, draggedIDs);
OnElementsDragging(insertIndex, draggedIDs);
MoveElementSelection(insertIndex, draggedIDs);
ElementsDragged?.Invoke(insertIndex, draggedIDs);
OnElementsDragged(insertIndex, draggedIDs);
};
treeView.CanRenameElementCallback += CanRenameElement;
treeView.GetElementRenameRectCallback += GetElementRenameRect;
treeView.ElementRenamedCallback += RenameElement;
}
protected virtual void OnSearchChanged(List <Equipment> list)
{
SearchChanged?.Invoke(list);
}
