/// <summary>
/// Updates a special menu item, the data item, with the currently available plot names. The active plot is marked with a
/// check.
/// </summary>
public void UpdateDataPopup()
{
if (null == this.m_MenuDataPopup)
{
return; // as long there is no menu, we cannot do it
}
// first delete old menuitems
this.m_MenuDataPopup.MenuItems.Clear();
// check there is at least one layer
if (m_Graph.Layers.Count == 0)
{
return; // there is no layer, we can not have items in the data menu
}
// now it is save to get the active layer
int actLayerNum = this.CurrentLayerNumber;
XYPlotLayer actLayer = this.Layers[actLayerNum];
// then append the plot associations of the actual layer
int actPA = CurrentPlotNumber;
int len = actLayer.PlotItems.Flattened.Length;
for (int i = 0; i < len; i++)
{
IGPlotItem pa = actLayer.PlotItems.Flattened[i];
DataMenuItem mi = new DataMenuItem(pa.ToString(), new EventHandler(EhMenuData_Data));
mi.Checked = (i == actPA);
mi.PlotItemNumber = i;
this.m_MenuDataPopup.MenuItems.Add(mi);
}
}
public IEnumerable <object> BuildItems(Codon codon, object owner)
{
var ctrl = Current.Workbench.ActiveViewContent as Altaxo.Gui.Graph.Gdi.Viewing.GraphController;
if (null == ctrl)
{
return(null);
}
var activeLayer = ctrl.ActiveLayer as XYPlotLayer;
if (null == activeLayer)
{
return(null);
}
int actPA = ctrl.CurrentPlotNumber;
int len = activeLayer.PlotItems.Flattened.Length;
var items = new List <object>();
for (int i = 0; i < len; i++)
{
IGPlotItem pa = activeLayer.PlotItems.Flattened[i];
var item = new System.Windows.Controls.MenuItem()
{
Header = pa.ToString()
};
item.Click += EhWpfMenuItem_Clicked;
item.IsChecked = (i == actPA);
item.Tag = i;
items.Add(item);
}
return(items);
}
/// <summary>
/// Handles the double click event onto a plot item.
/// </summary>
/// <param name="hit">Object containing information about the double clicked object.</param>
/// <returns>True if the object should be deleted, false otherwise.</returns>
protected static bool EhEditPlotItem(IHitTestObject hit)
{
XYPlotLayer actLayer = hit.ParentLayer;
IGPlotItem pa = (IGPlotItem)hit.HittedObject;
// get plot group
PlotGroupStyleCollection plotGroup = pa.ParentCollection.GroupStyles;
Current.Gui.ShowDialog(new object[] { pa }, string.Format("#{0}: {1}", pa.Name, pa.ToString()), true);
return(false);
}
/// <summary>
/// Handler for all submenu items of the data popup.".
/// </summary>
/// <param name="sender">The menuitem, must be of type <see cref="DataMenuItem"/>.</param>
/// <param name="e">Not used.</param>
/// <remarks>The handler either checks the menuitem, if it was unchecked. If it was already checked,
/// it shows the LineScatterPlotStyleControl into a dialog box.
/// </remarks>
private void EhMenuData_Data(object sender, System.EventArgs e)
{
DataMenuItem dmi = (DataMenuItem)sender;
if (!dmi.Checked)
{
// if the menu item was not checked before, check it now
// by making the plot association shown by the menu item
// the actual plot association
int actLayerNum = this.CurrentLayerNumber;
XYPlotLayer actLayer = this.Layers[actLayerNum];
if (null != actLayer && dmi.PlotItemNumber < actLayer.PlotItems.Flattened.Length)
{
dmi.Checked = true;
CurrentPlotNumber = dmi.PlotItemNumber;
}
}
else
{
// if it was checked before, then bring up the plot style dialog
// of the plot association represented by this menu item
int actLayerNum = this.CurrentLayerNumber;
XYPlotLayer actLayer = this.Layers[actLayerNum];
IGPlotItem pa = actLayer.PlotItems.Flattened[CurrentPlotNumber];
Current.Gui.ShowDialog(new object[] { pa }, string.Format("#{0}: {1}", pa.Name, pa.ToString()), true);
}
}
private void EhWpfMenuItem_Clicked(object sender, System.Windows.RoutedEventArgs e)
{
var dmi = (System.Windows.Controls.MenuItem)sender;
int plotItemNumber = (int)dmi.Tag;
var ctrl = Current.Workbench.ActiveViewContent as Altaxo.Gui.Graph.Gdi.Viewing.GraphController;
if (null == ctrl)
{
return;
}
var activeLayer = ctrl.ActiveLayer as XYPlotLayer;
if (null == activeLayer)
{
return;
}
if (!dmi.IsChecked)
{
// if the menu item was not checked before, check it now
// by making the plot association shown by the menu item
// the actual plot association
if (null != activeLayer && plotItemNumber < activeLayer.PlotItems.Flattened.Length)
{
dmi.IsChecked = true;
ctrl.CurrentPlotNumber = plotItemNumber;
}
}
else
{
IGPlotItem pa = activeLayer.PlotItems.Flattened[plotItemNumber];
Current.Gui.ShowDialog(new object[] { pa }, string.Format("#{0}: {1}", pa.Name, pa.ToString()), true);
}
}