private void Diagram_Loaded(object sender)
{
diagram.EnableDrag = false;
diagram.ShowSelectorHandle(false, SelectorPosition.SourcePoint);
diagram.ShowSelectorHandle(false, SelectorPosition.TargetPoint);
diagram.ShowSelectorHandle(false, SelectorPosition.Rotator);
diagram.ShowSelectorHandle(false, SelectorPosition.TopLeft);
diagram.ShowSelectorHandle(false, SelectorPosition.TopRight);
diagram.ShowSelectorHandle(false, SelectorPosition.MiddleLeft);
diagram.ShowSelectorHandle(false, SelectorPosition.MiddleRight);
diagram.ShowSelectorHandle(false, SelectorPosition.BottomCenter);
diagram.ShowSelectorHandle(false, SelectorPosition.BottomLeft);
diagram.ShowSelectorHandle(false, SelectorPosition.BottomRight);
diagram.ShowSelectorHandle(false, SelectorPosition.TopCenter);
diagram.LayoutManager = new LayoutManager()
{
Layout = new MindMapLayout()
{
MindMapOrientation = Syncfusion.SfDiagram.iOS.Orientation.Horizontal,
HorizontalSpacing = 70,
}
};
diagram.LayoutManager.Layout.UpdateLayout();
diagram.Select(RootNode);
diagram.BringToView(RootNode);
}
private void Diagram_UserHandleClicked(object sender, UserHandleClickedEventArgs args)
{
SelectedNode = diagram.SelectedItems[0] as Node;
if (args.Item.Name == "Delete")
{
diagram.RemoveNode(SelectedNode, true);
(diagram.LayoutManager.Layout as MindMapLayout).UpdateLayout();
}
else if (args.Item.Name == "ExpColl")
{
if (SelectedNode.IsExpanded)
{
SelectedNode.IsExpanded = false;
args.Item.Content = GetHandleImage("mindmapcollpase.png");
diagram.UserHandles[0].Visible = false;
if (SelectedNode == RootNode)
{
diagram.UserHandles[1].Visible = false;
}
}
else
{
SelectedNode.IsExpanded = true;
args.Item.Content = GetHandleImage("mindmapexpand.png");
diagram.UserHandles[0].Visible = true;
if (SelectedNode == RootNode)
{
diagram.UserHandles[1].Visible = true;
}
}
(diagram.LayoutManager.Layout as MindMapLayout).UpdateLayout();
diagram.Select(SelectedNode);
}
else if (args.Item.Name == "info")
{
AddInfo();
}
else
{
if (args.Item.Name == "Left")
{
CurrentHandle = UserHandlePosition.Left;
ShowInfo();
}
else if (args.Item.Name == "Right")
{
CurrentHandle = UserHandlePosition.Right;
ShowInfo();
}
}
}
internal void ShowPopUp(string positive, string negative)
{
alertBuilder.SetTitle("Enter Text");
editText.Text = _inputstring;
editText.FocusableInTouchMode = true;
editText.RequestFocus();
editText.SetBackgroundColor(Color.WhiteSmoke);
editText.SetTextColor(Color.Black);
alertBuilder.SetView(editText);
alertBuilder.SetCancelable(false);
alertBuilder.SetPositiveButton(positive, (senderAlert, args) =>
{
diagram.Alpha = 1;
diagram.PageSettings.BackgroundColor = Color.White;
if (editText.Text == null)
{
editText.Text = "";
}
var node = new Node(diagram.Context);
if (CurrentHandle == UserHandlePosition.Left)
{
node.OffsetX = SelectedNode.OffsetX - SelectedNode.Width - 100;
node.OffsetY = SelectedNode.OffsetY;
}
else if (CurrentHandle == UserHandlePosition.Right)
{
node.OffsetX = SelectedNode.OffsetX + SelectedNode.Width + 100;
node.OffsetY = SelectedNode.OffsetY;
}
node.Width = SelectedNode.Width;
node.Height = SelectedNode.Height;
node.ShapeType = ShapeType.RoundedRectangle;
node.Style.StrokeWidth = 3;
if (SelectedNode == RootNode)
{
index = rnd.Next(5);
node.Style.Brush = new SolidBrush(FColor[index]);
node.Style.StrokeBrush = new SolidBrush(SColor[index]);
}
else
{
node.Style = SelectedNode.Style;
}
node.Annotations.Add(new Annotation()
{
Content = editText.Text, FontSize = 14 * MainActivity.Factor, TextBrush = new SolidBrush(Color.Black)
});
diagram.AddNode(node);
var c1 = new Connector(diagram.Context);
c1.SourceNode = SelectedNode;
c1.TargetNode = node;
//c1.Style.StrokeBrush = node.Style.StrokeBrush;
//c1.Style.StrokeWidth = 3;
//c1.TargetDecoratorStyle.Fill = (node.Style.StrokeBrush as SolidBrush).FillColor;
//c1.TargetDecoratorStyle.StrokeColor = (c1.TargetNode.Style.StrokeBrush as SolidBrush).FillColor;
//c1.SegmentType = SegmentType.CurveSegment;
//c1.Style.StrokeStyle = StrokeStyle.Dashed;
diagram.AddConnector(c1);
if (CurrentHandle == UserHandlePosition.Left)
{
if (!(diagram.LayoutManager.Layout as MindMapLayout).EnableFreeForm)
{
(diagram.LayoutManager.Layout as MindMapLayout).UpdateLeftOrTop();
}
}
else if (CurrentHandle == UserHandlePosition.Right)
{
if (!(diagram.LayoutManager.Layout as MindMapLayout).EnableFreeForm)
{
(diagram.LayoutManager.Layout as MindMapLayout).UpdateRightOrBottom();
}
}
m_mindmap.SelectedNode = node;
m_mindmap.UpdateHandle();
diagram.Select(node);
diagram.BringToView(node);
m_mindmap.UpdateTheme();
});
alertBuilder.SetNegativeButton(negative, (senderAlert, args) =>
{
alertBuilder.SetCancelable(true);
});
alertBuilder.Show();
}