internal void NotifyListVisibilityChange(DynamicList list, bool visible)
{
if (visible)
OnShown(new DynamicListEventArgs(list));
else
OnHidden(new DynamicListEventArgs(list));
}
protected virtual void OnPlusClick(object sender, DynamicListEventArgs e)
{
if (blockClickEvent) { blockClickEvent = false; return; }
OnExpanding(e);
// If OnExpanding displaies an error message, focus is lost, form is closed and we can not access the handle anymore
if (e.List.IsDisposed) return;
ChildForm frm = new ChildForm();
frm.Closed += delegate {
blockClickEvent = true;
if (expandedIn != null)
expandedIn.Remove(e.List);
OnCollapsed(e);
plus.RaiseItemChanged();
Timer timer = new Timer();
timer.Interval = 85;
timer.Tick += delegate(object sender2, EventArgs e2) {
((Timer)sender2).Stop();
((Timer)sender2).Dispose();
blockClickEvent = false;
};
timer.Start();
};
Point p = e.List.PointToScreen(e.List.GetPositionFromRow(this));
p.Offset(e.List.Columns[0].Width, Height);
frm.StartPosition = FormStartPosition.Manual;
frm.BackColor = childBorderColor;
frm.Location = p;
frm.ShowInTaskbar = false;
frm.Owner = e.List.FindForm();
VerticalScrollContainer scrollContainer = new VerticalScrollContainer();
scrollContainer.Dock = DockStyle.Fill;
DynamicList childList = new DynamicList(childColumns, childRows);
childList.Dock = DockStyle.Fill;
childList.KeyDown += delegate(object sender2, KeyEventArgs e2) {
if (e2.KeyData == Keys.Escape) {
frm.Close();
// workaround focus problem: sometimes the mainform gets focus after this
e.List.FindForm().Focus();
}
};
scrollContainer.Controls.Add(childList);
frm.Controls.Add(scrollContainer);
int screenHeight = Screen.FromPoint(p).WorkingArea.Bottom - p.Y;
screenHeight -= frm.Size.Height - frm.ClientSize.Height;
int requiredHeight = childList.TotalRowHeight + 4;
int formHeight = Math.Min(requiredHeight, screenHeight);
if (formHeight < requiredHeight) {
int missingHeight = Math.Min(100, requiredHeight - formHeight);
formHeight += missingHeight;
frm.Top -= missingHeight;
}
// Autosize child window
int formWidth;
using (Graphics g = childList.CreateGraphics()) {
formWidth = 8 + childList.GetRequiredWidth(g);
}
int screenWidth = Screen.FromPoint(p).WorkingArea.Right - p.X;
if (formWidth > screenWidth) {
int missingWidth = Math.Min(100, formWidth - screenWidth);
formWidth = screenWidth + missingWidth;
frm.Left -= missingWidth;
}
frm.ClientSize = new Size(formWidth, formHeight);
frm.MinimumSize = new Size(100, Math.Min(50, formHeight));
isOpeningChild = true;
frm.Show();
isOpeningChild = false;
childList.Focus();
if (expandedIn != null)
expandedIn.Add(e.List);
OnExpanded(e);
plus.RaiseItemChanged();
}
protected virtual void OnPlusClick(object sender, DynamicListEventArgs e)
{
if (blockClickEvent)
{
blockClickEvent = false; return;
}
OnExpanding(e);
// If OnExpanding displaies an error message, focus is lost, form is closed and we can not access the handle anymore
if (e.List.IsDisposed)
{
return;
}
ChildForm frm = new ChildForm();
frm.Closed += delegate {
blockClickEvent = true;
if (expandedIn != null)
{
expandedIn.Remove(e.List);
}
OnCollapsed(e);
plus.RaiseItemChanged();
Timer timer = new Timer();
timer.Interval = 85;
timer.Tick += delegate(object sender2, EventArgs e2) {
((Timer)sender2).Stop();
((Timer)sender2).Dispose();
blockClickEvent = false;
};
timer.Start();
};
Point p = e.List.PointToScreen(e.List.GetPositionFromRow(this));
p.Offset(e.List.Columns[0].Width, Height);
frm.StartPosition = FormStartPosition.Manual;
frm.BackColor = childBorderColor;
frm.Location = p;
frm.ShowInTaskbar = false;
frm.Owner = e.List.FindForm();
VerticalScrollContainer scrollContainer = new VerticalScrollContainer();
scrollContainer.Dock = DockStyle.Fill;
DynamicList childList = new DynamicList(childColumns, childRows);
childList.Dock = DockStyle.Fill;
childList.KeyDown += delegate(object sender2, KeyEventArgs e2) {
if (e2.KeyData == Keys.Escape)
{
frm.Close();
// workaround focus problem: sometimes the mainform gets focus after this
e.List.FindForm().Focus();
}
};
scrollContainer.Controls.Add(childList);
frm.Controls.Add(scrollContainer);
int screenHeight = Screen.FromPoint(p).WorkingArea.Bottom - p.Y;
screenHeight -= frm.Size.Height - frm.ClientSize.Height;
int requiredHeight = childList.TotalRowHeight + 4;
int formHeight = Math.Min(requiredHeight, screenHeight);
if (formHeight < requiredHeight)
{
int missingHeight = Math.Min(100, requiredHeight - formHeight);
formHeight += missingHeight;
frm.Top -= missingHeight;
}
// Autosize child window
int formWidth;
using (Graphics g = childList.CreateGraphics()) {
formWidth = 8 + childList.GetRequiredWidth(g);
}
int screenWidth = Screen.FromPoint(p).WorkingArea.Right - p.X;
if (formWidth > screenWidth)
{
int missingWidth = Math.Min(100, formWidth - screenWidth);
formWidth = screenWidth + missingWidth;
frm.Left -= missingWidth;
}
frm.ClientSize = new Size(formWidth, formHeight);
frm.MinimumSize = new Size(100, Math.Min(50, formHeight));
isOpeningChild = true;
frm.Show();
isOpeningChild = false;
childList.Focus();
if (expandedIn != null)
{
expandedIn.Add(e.List);
}
OnExpanded(e);
plus.RaiseItemChanged();
}
public DynamicListMouseEventArgs(DynamicList list, MouseEventArgs me)
: base(me.Button, me.Clicks, me.X, me.Y, me.Delta)
{
if (list == null) throw new ArgumentNullException("list");
this.list = list;
}
public ItemPaintEventArgs(Graphics graphics, Rectangle rectangle, Rectangle fillRectangle,
DynamicList list, DynamicListColumn column,
DynamicListItem item, bool isMouseEntered)
: base(graphics, rectangle)
{
this.fillRectangle = fillRectangle;
this.list = list;
this.column = column;
this.item = item;
this.isMouseEntered = isMouseEntered;
}
void HandleLabelEditClick(DynamicList list)
{
if (!allowLabelEdit)
return;
TextBox txt = new TextBox();
txt.Text = this.Text;
AssignControlUntilFocusChange(txt);
if (BeginLabelEdit != null)
BeginLabelEdit(this, new DynamicListEventArgs(list));
bool escape = false;
txt.KeyDown += delegate(object sender2, KeyEventArgs e2) {
if (e2.KeyData == Keys.Enter || e2.KeyData == Keys.Escape) {
e2.Handled = true;
if (e2.KeyData == Keys.Escape) {
if (CanceledLabelEdit != null)
CanceledLabelEdit(this, new DynamicListEventArgs(list));
escape = true;
}
this.Control = null;
txt.Dispose();
}
};
txt.LostFocus += delegate {
if (!escape) {
this.Text = txt.Text;
if (FinishLabelEdit != null)
FinishLabelEdit(this, new DynamicListEventArgs(list));
}
};
}
public DynamicListEventArgs(DynamicList list)
{
if (list == null) throw new ArgumentNullException("list");
this.list = list;
}
internal void OnMouseEnter(DynamicList list)
{
if (MouseEnter != null) {
MouseEnter(this, new DynamicListEventArgs(list));
}
if (highlightBrush != null) RaiseItemChanged();
}
internal void OnMouseHover(DynamicList list)
{
if (MouseHover != null) {
MouseHover(this, new DynamicListEventArgs(list));
}
}
public void PerformDoubleClick(DynamicList list)
{
if (DoubleClick != null)
DoubleClick(this, new DynamicListEventArgs(list));
}
public void PerformClick(DynamicList list)
{
if (Click != null)
Click(this, new DynamicListEventArgs(list));
HandleLabelEditClick(list);
}
internal void PaintTo(Graphics g, Rectangle rectangle, DynamicList list, DynamicListColumn column, bool isMouseEntered)
{
Rectangle fillRectangle = rectangle;
fillRectangle.Width += 1;
if (highlightBrush != null && isMouseEntered) {
g.FillRectangle(highlightBrush, fillRectangle);
} else {
bool isActivated = list.IsActivated;
Brush bgBrush = GetBrush(isActivated, backgroundBrush, backgroundBrushInactive);
if (bgBrush == null) {
bgBrush = GetBrush(isActivated, column.BackgroundBrush, column.BackgroundBrushInactive);
if (isActivated && list.RowAtMousePosition == row && column.RowHighlightBrush != null)
bgBrush = column.RowHighlightBrush;
}
g.FillRectangle(bgBrush, fillRectangle);
}
if (Paint != null) {
Paint(this, new ItemPaintEventArgs(g, rectangle, fillRectangle, list, column, this, isMouseEntered));
}
if (text.Length > 0) {
g.DrawString(text, font, textBrush, rectangle, textFormat);
}
}