/*************************************/
/**** Public Methods ****/
/*************************************/
public override bool SetParent(object parent)
{
Panel container = parent as Panel;
if (container == null)
{
return(false);
}
if (m_Popup == null)
{
m_Popup = new Popup
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
Placement = PlacementMode.MousePoint
};
Grid grid = new Grid();
grid.ColumnDefinitions.Add(new ColumnDefinition());
grid.RowDefinitions.Add(new RowDefinition());
grid.RowDefinitions.Add(new RowDefinition());
m_Popup.Child = grid;
m_SearchTextBox = new TextBox {
MinWidth = m_MinWidth, MinHeight = 24, MaxLines = 1
};
m_SearchTextBox.TextChanged += (o, e) => RefreshSearchResults(PossibleItems.Hits(m_SearchTextBox.Text, NbHits, HitsOnEmptySearch));
m_SearchTextBox.LostFocus += M_SearchTextBox_LostFocus;
m_SearchTextBox.Loaded += M_SearchTextBox_Loaded;
m_SearchTextBox.Initialized += M_SearchTextBox_Initialized;
Grid.SetRow(m_SearchTextBox, 0);
grid.Children.Add(m_SearchTextBox);
m_SearchResultGrid = new Grid {
Background = System.Windows.Media.Brushes.White
};
m_SearchResultGrid.ColumnDefinitions.Add(new ColumnDefinition());
Grid.SetRow(m_SearchResultGrid, 1);
grid.Children.Add(m_SearchResultGrid);
container.Children.Add(m_Popup);
m_SearchTextBox.PreviewKeyDown += M_SearchTextBox_PreviewKeyDown;
}
m_Popup.Unloaded += M_Popup_Unloaded;
m_SearchTextBox.Text = "";
m_SearchResultGrid.Children.Clear();
m_Popup.IsOpen = true;
m_SearchTextBox.Focus();
return(true);
}
/*************************************/
private void M_Popup_KeyDown(object sender, KeyEventArgs e)
{
e.SuppressKeyPress = true;
switch (e.KeyData)
{
case Keys.Up:
if (--m_selected < 0)
{
m_selected = m_SearchResultPanel.Controls.Count - 1;
}
break;
case Keys.Down:
m_selected = (m_selected + 1) % m_SearchResultPanel.Controls.Count;
break;
case Keys.Enter:
List <SearchItem> hits = PossibleItems.Hits(m_SearchTextBox.Text, NbHits, HitsOnEmptySearch);
if (m_selected < hits.Count)
{
NotifySelection(hits[m_selected], new BH.oM.Geometry.Point {
X = m_LastPosition.X, Y = m_LastPosition.Y
});
m_Popup.Hide();
}
return;
case Keys.Escape:
m_Popup.Hide();
return;
default:
e.SuppressKeyPress = false;
return;
}
for (int i = 0; i < m_SearchResultPanel.Controls.Count; i++)
{
Control row = m_SearchResultPanel.Controls[i];
row.BackColor = (i == m_selected) ? System.Drawing.SystemColors.MenuHighlight : Color.Transparent;
}
}
/*************************************/
private void M_SearchTextBox_PreviewKeyDown(object sender, KeyEventArgs e)
{
e.Handled = true;
switch (e.Key)
{
case Key.Up:
if (--m_selected < 0)
{
m_selected = m_hits - 1;
}
break;
case Key.Down:
m_selected = (m_selected + 1) % m_hits;
break;
case Key.Enter:
List <SearchItem> hits = PossibleItems.Hits(m_SearchTextBox.Text, NbHits, HitsOnEmptySearch);
if (m_selected < hits.Count)
{
NotifySelection(hits[m_selected], new BH.oM.Geometry.Point {
X = m_Popup.PlacementRectangle.X, Y = m_Popup.PlacementRectangle.Y
});
}
m_Popup.IsOpen = false;
return;
case Key.Escape:
m_Popup.IsOpen = false;
return;
default:
e.Handled = false;
return;
}
foreach (Label element in m_SearchResultGrid.Children.OfType <Label>())
{
int i = Grid.GetRow(element);
element.Background = (i == m_selected) ? System.Windows.SystemColors.HighlightBrush : System.Windows.Media.Brushes.White;
}
}
/*************************************/
/**** Public Methods ****/
/*************************************/
public override bool SetParent(object parent)
{
ContainerControl container = parent as ContainerControl;
if (container == null)
{
return(false);
}
if (m_Popup == null || m_Popup.IsDisposed)
{
// Create the popup form
m_Popup = new Form()
{
FormBorderStyle = FormBorderStyle.FixedSingle,
KeyPreview = true,
MaximizeBox = false,
MinimizeBox = false,
ShowIcon = false,
ShowInTaskbar = false,
SizeGripStyle = SizeGripStyle.Hide,
StartPosition = FormStartPosition.Manual,
ClientSize = new System.Drawing.Size(m_MinWidth, 22),
ControlBox = false,
BackColor = Color.White
};
m_Popup.SuspendLayout();
m_Popup.Disposed += M_Popup_Disposed;
//Add the search box
m_SearchTextBox = new TextBox()
{
BorderStyle = BorderStyle.FixedSingle,
Dock = DockStyle.Top,
Font = new Font("Microsoft Sans Serif", 9.75f, System.Drawing.FontStyle.Regular, GraphicsUnit.Point, 0),
Location = new System.Drawing.Point(0, 0),
Size = new System.Drawing.Size(m_MinWidth, 22),
TabIndex = 0,
TextAlign = System.Windows.Forms.HorizontalAlignment.Left,
WordWrap = false,
Text = ""
};
m_SearchTextBox.TextChanged += (o, e) => RefreshSearchResults(PossibleItems.Hits(m_SearchTextBox.Text, NbHits, HitsOnEmptySearch));
m_SearchTextBox.LostFocus += M_SearchTextBox_LostFocus;
m_Popup.Controls.Add(m_SearchTextBox);
//Add the result panel
m_SearchResultPanel = new Panel()
{
Location = new System.Drawing.Point(0, 25),
Size = new System.Drawing.Size(m_MinWidth, 1),
TabIndex = 1,
};
m_Popup.Controls.Add(m_SearchResultPanel);
m_Popup.KeyDown += M_Popup_KeyDown;
}
// Finish the popup form
m_SearchTextBox.Text = "";
m_SearchTextBox.Width = m_MinWidth;
m_SearchResultPanel.Controls.Clear();
m_SearchResultPanel.Size = new System.Drawing.Size(m_MinWidth, 1);
m_LastPosition = System.Windows.Forms.Cursor.Position;
int h = m_SearchTextBox.Height;
int x = m_LastPosition.X - m_Popup.Width / 2;
int y = m_LastPosition.Y - m_SearchTextBox.Height / 2;
m_Popup.SetBounds(x, y, m_Popup.Width, h);
m_Popup.ResumeLayout(false);
m_Popup.PerformLayout();
m_Popup.Visible = false; // Make sure it is not visible before asking to show (otherwise, causes crash)
m_Popup.Show(container);
m_SearchTextBox.Focus();
RefreshSearchResults(new List <SearchItem>());
return(true);
}
/*************************************/
public void ShowResults(string searchText)
{
SetSearchText(searchText);
RefreshSearchResults(PossibleItems.Hits(searchText, NbHits, HitsOnEmptySearch));
}