protected override void OnChartContextMenuStripOpening(CancelEventArgs e)
{
if (SelectedObjects != null && SelectedObjects.Length > 0)
{
int count = SelectedObjects.Length;
Topic topic = mindMapView1.SelectedTopic;
int topicCount = mindMapView1.SelectedTopics.Length;
string urls = null;
MenuOpenHyperlink.Enabled = HasAnyUrl(SelectedObjects, out urls);
MenuOpenHyperlink.Available = MenuOpenHyperlink.Enabled;
MenuOpenHyperlink.ToolTipText = urls;
MenuAddTopic.Enabled = !ReadOnly && count == 1 && topicCount > 0 && !topic.IsRoot;
MenuAddSubTopic.Enabled = !ReadOnly && count == 1 && topicCount > 0;
MenuFolding.Available = topicCount > 0 && count == 1 && topic.HasChildren;
MenuExpandFolding.Enabled = topicCount > 0 && count == 1 && topic.Folded && !topic.IsRoot;
MenuCollapseFolding.Enabled = topicCount > 0 && count == 1 && !topic.Folded && !topic.IsRoot;
MenuToggleFolding.Enabled = topicCount > 0 && count == 1 && !topic.IsRoot;
MenuExpandAll.Enabled = topicCount > 0 && count == 1;
MenuCollapseAll.Enabled = topicCount > 0 && count == 1;
MenuAdd.Enabled = true;
MenuAddIcon.Enabled = topicCount > 0;
MenuAddProgressBar.Enabled = topicCount > 0;
MenuAddRemark.Enabled = topicCount > 0;
MenuNewChartFromHere.Available = topicCount == 1;
bool hasLink = false;
foreach (var mo in SelectedObjects)
{
if (mo is Link)
{
hasLink = true;
break;
}
}
MenuLink.Available = hasLink;
}
else
{
MenuOpenHyperlink.Enabled = false;
MenuOpenHyperlink.ToolTipText = null;
MenuAddTopic.Enabled = false;
MenuAddSubTopic.Enabled = false;
MenuFolding.Available = false;
MenuAdd.Enabled = false;
MenuLink.Available = false;
MenuNewChartFromHere.Available = false;
}
MenuCut.Enabled = mindMapView1.CanCut;
MenuCopy.Enabled = mindMapView1.CanCopy;
MenuPaste.Enabled = mindMapView1.CanPaste;
MenuDelete.Enabled = mindMapView1.CanDelete;
MenuEdit.Enabled = mindMapView1.CanEdit;
MenuAdvance.Available = MenuAdvance.HasAvailableItems();
ChartContextMenuStrip.SmartHideSeparators();
}
void ProcessChartMouseUp(MouseEventArgs e)
{
if (MouseState == ChartMouseState.Drag)
{
if (DragBox.Visible && !DragBox.Topics.IsNullOrEmpty())
{
var htr = HitTest(e.X, e.Y);
if (!htr.IsEmpty && !htr.IsFoldingButton && TestDragDrop(DragBox.Topics, htr.Topic, CurrentDragMethod))
{
DargDropTo(DragBox.Topics, htr.Topic, CurrentDragMethod);
}
}
CancelDrag();
return;
}
if (MouseState == ChartMouseState.Select)
{
Topic[] topics = GetTopicsInRect(LastSelectionBox);
if (topics != null && topics.Length > 0)
{
Select(topics, !Helper.TestModifierKeys(Keys.Control));
}
//SelectTopics(topics, !Helper.TestModifierKeys(Keys.Control));
ExitSelectMode();
//ClearSelectionBox();
return;
}
if (MouseState == ChartMouseState.Scroll)
{
//Scroll(MouseDownPos.X - e.X, MouseDownPos.Y - e.Y);
return;
}
if (!FormatPainter.Default.IsEmpty && !ReadOnly)
{
HitTestResult htr = HitTest(e.X, e.Y);
if (!htr.IsEmpty && !htr.IsFoldingButton && e.Button == MouseButtons.Left)
{
FormatPainter.Default.Assign(htr.Topic);
}
if (!FormatPainter.Default.HoldOn && !Helper.TestModifierKeys(Keys.Control))
{
FormatPainter.Default.Clear();
}
return;
}
if (Helper.TestModifierKeys(Keys.Shift) &&
e.Button == MouseButtons.Left &&
(PressObject.Widget != null || PressObject.Topic != null))
{
// Open Url
if (PressObject.Widget != null && !string.IsNullOrEmpty(PressObject.Widget.Hyperlink))
{
Helper.OpenUrl(PressObject.Widget.Hyperlink);
}
else if (PressObject.Topic != null && !string.IsNullOrEmpty(PressObject.Topic.Hyperlink))
{
Helper.OpenUrl(PressObject.Topic.Hyperlink);
}
return;
}
if (Helper.TestModifierKeys(Keys.Control) &&
e.Button == System.Windows.Forms.MouseButtons.Left &&
SelectedObjects.Length <= 1)
{
if (PressObject.Topic != null &&
!string.IsNullOrEmpty(PressObject.Topic.Hyperlink) &&
(SelectedObjects.IsEmpty() || SelectedObjects[0] == PressObject.Topic))
{
Helper.OpenUrl(PressObject.Topic.Hyperlink);
return;
}
if (PressObject.Widget != null &&
!string.IsNullOrEmpty(PressObject.Widget.Hyperlink) &&
(SelectedObjects.IsEmpty() || SelectedObjects[0] == PressObject.Widget))
{
Helper.OpenUrl(PressObject.Widget.Hyperlink);
return;
}
}
// Normal Status
if (HoverObject != null && HoverObject.Widget != null && HoverObject == PressObject)
{
HoverObject.Widget.OnMouseClick(new MouseEventArgs(e.Button, e.Clicks, e.X, e.Y, e.Delta));
}
if (e.Button == MouseButtons.Right && ChartContextMenuStrip != null)
{
ChartContextMenuStrip.Show(this.ChartBox, new Point(e.X, e.Y));
}
}
