private Color CheckForContextColor(PaletteState state)
{
// We need an associated ribbon tab
// Does the ribbon tab have a context setting?
if (!string.IsNullOrEmpty(_ribbon.SelectedTab?.ContextName))
{
// Find the context definition for this context
KryptonRibbonContext ribbonContext = _ribbon.RibbonContexts[_ribbon.SelectedTab.ContextName];
// Should always work, but you never know!
if (ribbonContext != null)
{
// Return the context specific color
return(ribbonContext.ContextColor);
}
}
return(Color.Empty);
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our control is being removed
if (e.Component == _ribbon)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all the button spec instances
for (int i = _ribbon.ButtonSpecs.Count - 1; i >= 0; i--)
{
ButtonSpec spec = _ribbon.ButtonSpecs[i];
_ribbon.ButtonSpecs.Remove(spec);
host.DestroyComponent(spec);
}
// We need to remove all the QAT button specifications
for (int i = _ribbon.QATButtons.Count - 1; i >= 0; i--)
{
Component button = _ribbon.QATButtons[i];
_ribbon.QATButtons.Remove(button);
host.DestroyComponent(button);
}
// We need to remove all the ribbon context instances
for (int i = _ribbon.RibbonContexts.Count - 1; i >= 0; i--)
{
KryptonRibbonContext context = _ribbon.RibbonContexts[i];
_ribbon.RibbonContexts.Remove(context);
host.DestroyComponent(context);
}
// We need to remove all the ribbon tab instances
for (int i = _ribbon.RibbonTabs.Count - 1; i >= 0; i--)
{
KryptonRibbonTab tab = _ribbon.RibbonTabs[i];
_ribbon.RibbonTabs.Remove(tab);
host.DestroyComponent(tab);
}
}
}
private void buttonAddContext_Click(object sender, EventArgs e)
{
// Create a new context that uses the information specified
KryptonRibbonContext newContext = new KryptonRibbonContext();
newContext.ContextName = textBoxContextName.Text;
newContext.ContextTitle = textBoxContextTitle.Text;
newContext.ContextColor = panelContextColor.StateCommon.Color1;
kryptonRibbon.RibbonContexts.Add(newContext);
// Create a new ribbon page that specifies the new context name
KryptonRibbonTab newTab = new KryptonRibbonTab();
newTab.ContextName = newContext.ContextName;
kryptonRibbon.RibbonTabs.Add(newTab);
// Update the selected context name on the form and control so it shows
string newSelectedContext = textBoxSelectedContexts.Text;
if (newSelectedContext.Length > 0)
newSelectedContext += ",";
newSelectedContext += newContext.ContextName;
textBoxSelectedContexts.Text = newSelectedContext;
kryptonRibbon.SelectedContext = newSelectedContext;
}