/// <summary>
/// Handler for header button toggle event.
/// </summary>
/// <param name="control">Source control.</param>
protected virtual void OnHeaderToggle(Control control)
{
if (Collapsed != null)
{
Collapsed.Invoke(this);
}
}
/// <summary>
/// Handler for header button toggle event.
/// </summary>
/// <param name="control">Source control.</param>
protected virtual void OnHeaderToggle(Base control, EventArgs args)
{
if (Collapsed != null)
{
Collapsed.Invoke(this, EventArgs.Empty);
}
}
/// <summary>
/// Handler for header button toggle event.
/// </summary>
/// <param name="control">Source control.</param>
protected virtual void OnHeaderToggle(ControlBase control, EventArgs args)
{
m_Panel.IsHidden = m_HeaderButton.ToggleState;
Invalidate();
InvalidateParent();
if (Collapsed != null)
{
Collapsed.Invoke(this, EventArgs.Empty);
}
}
private void UpdateInnerPanelCollapsedState()
{
if (isExpanded && innerPanel.Parent == null)
{
// todo - need to support collapsing without removing the child
innerPanel.Parent = Visual;
Expanded?.Invoke(this, null);
}
else if (!isExpanded && innerPanel.Parent != null)
{
innerPanel.Parent = null;
Collapsed?.Invoke(this, null);
}
}
/// <summary>
/// Closes the node.
/// </summary>
public void Close()
{
m_Panel.Hide();
if (m_ToggleButton != null)
{
m_ToggleButton.ToggleState = false;
}
if (Collapsed != null)
{
Collapsed.Invoke(this, EventArgs.Empty);
}
Invalidate();
}
/// <summary>
/// Closes the node.
/// </summary>
public void Close()
{
m_InnerPanel.Hide();
if (m_ToggleButton != null)
{
m_ToggleButton.ToggleState = false;
}
if (Collapsed != null)
{
Collapsed.Invoke(this);
}
if (m_TreeControl != null && m_TreeControl.Collapsed != null)
{
m_TreeControl.Collapsed.Invoke(this);
}
Invalidate();
}
/// <summary>
/// Closes the node.
/// </summary>
public void Close()
{
innerPanel.Hide();
if (toggleButton != null)
{
toggleButton.ToggleState = false;
}
if (Collapsed != null)
{
Collapsed.Invoke(this, EventArgs.Empty);
}
if (treeControl != null && treeControl.Collapsed != null)
{
treeControl.Collapsed.Invoke(this, EventArgs.Empty);
}
Invalidate();
}
/// <summary>
/// Closes the node.
/// </summary>
public void Close()
{
m_InnerPanel.Collapse();
if (m_ToggleButton != null)
{
m_ToggleButton.ToggleState = false;
}
if (Collapsed != null)
{
Collapsed.Invoke(this, EventArgs.Empty);
}
if (RootNode != null && RootNode.Collapsed != null)
{
RootNode.Collapsed.Invoke(this, EventArgs.Empty);
}
Invalidate();
}
private void OnNodeCollapsed(TreeViewNode sender, object args)
{
var treeViewCollapsedEventArgs = new TreeViewCollapsedEventArgs(sender);
if (ListControl != null)
{
if (ContainerFromNode(sender) is TreeViewItem collapsedTvi)
{
//Update TVI properties
if (collapsedTvi.IsExpanded)
{
collapsedTvi.IsExpanded = false;
}
//Update TemplateSettings properties
var templateSettings = collapsedTvi.TreeViewItemTemplateSettings;
templateSettings.ExpandedGlyphVisibility = Visibility.Collapsed;
templateSettings.CollapsedGlyphVisibility = Visibility.Visible;
}
Collapsed?.Invoke(this, treeViewCollapsedEventArgs);
}
}
/// <summary>
/// Called when control is collapsed
/// </summary>
/// <param name="args">EventArgs</param>
protected virtual void OnCollapsed(EventArgs args)
{
Collapsed?.Invoke(this, args);
}
private void CollapseControl()
{
VisualStateManager.GoToState(this, StateContentCollapsed, true);
Collapsed?.Invoke(this, new EventArgs());
}
protected void RaiseCollapsedEvent(Expander container)
{
Collapsed?.Invoke(this, new ExpanderCollapsedEventArgs()); // Uno Doc: We won't use null for args like WinUI
}
private void OnCollapsed(object sender, RegionsCollapsedEventArgs e)
{
Collapsed?.Invoke(this, EventArgs.Empty);
}
/// <summary>
///
/// </summary>
protected virtual void OnCollapsed()
{
Collapsed?.Invoke(this, new EventArgs());
}
