private void canvas_MouseDown(object sender, MouseEventArgs e)
{
if (selectedNode != null)
{
updateNode();
updateConnectionLine();
}
originalX = mouseX;
originalY = mouseY;
isMouseDown = true;
selectedNode = null;
for (int i = nodeList.Count; i > 0; i--)
{
if (hasClickedNode(nodeList[i].XPosition, nodeList[i].YPosition, nodeList[i].Size, mouseX, mouseY))
{
if (DEBUG)
{
Console.WriteLine("Node with id " + nodeList[i].getId() + " selected.");
}
selectedNode = nodeList[i];
selectNode(selectedNode);
break;
}
}
}
public void selectNode(BubbleMapNode node)
{
selectedNodeBox.Visible = true;
captionTextbox.Text = node.Caption;
sizeTextbox.Value = node.Size;
bgColorPreview.BackColor = ColorTranslator.FromHtml(node.BackgroundColor);
textSizeTextbox.Value = node.TextSize;
textColorPreview.BackColor = ColorTranslator.FromHtml(node.TextColor);
}
private void addChildNodeButton_Click(object sender, EventArgs e)
{
if (selectedNode != null)
{
BubbleMapNode newNode = new BubbleMapNode(nodeList.Count + 1, "New Node", 0, 0, nodeList.Count, 150, "#333333", "#ffffff", 12);
nodeList.Add(nodeList.Count + 1, newNode);
NodeConnection newConnection = new NodeConnection(nodeConnectionList.Count + 1, selectedNode.getId(), newNode.getId(), (int)connectionLineWidthTextbox.Value, ColorTranslator.ToHtml(lineColorPreview.BackColor));
nodeConnectionList.Add(newConnection.getId(), newConnection);
selectNode(newNode);
}
canvas.Invalidate();
}
private void cloneNodeButton_Click(object sender, EventArgs e)
{
BubbleMapNode newNode = new BubbleMapNode(nodeList.Count + 1, selectedNode.Caption, selectedNode.XPosition + 50, selectedNode.YPosition + 50, nodeList.Count, selectedNode.Size, selectedNode.BackgroundColor, selectedNode.TextColor, selectedNode.TextSize);
nodeList.Add(nodeList.Count + 1, newNode);
selectNode(newNode);
if (DEBUG)
{
Console.WriteLine("New node added, " + nodeList.Count + " in the node list.");
}
updateNode();
updateConnectionLine();
canvas.Invalidate();
}
private void addNodeButton_Click(object sender, EventArgs e)
{
if (DEBUG)
{
Console.WriteLine("Adding a new node.");
}
//nodeList.Add(new BubbleMapNode(nodeList.Count + 1, "New Node", 0, 0, nodeList.Count, 200, "#333333", "#ffffff", 12));
BubbleMapNode newNode = new BubbleMapNode(nodeList.Count + 1, "New Node", 0, 0, nodeList.Count, 150, "#333333", "#ffffff", 12);
nodeList.Add(nodeList.Count + 1, newNode);
selectNode(newNode);
if (DEBUG)
{
Console.WriteLine("New node added, " + nodeList.Count + " in the node list.");
}
showConnectionLineBox();
canvas.Invalidate();
}
private void deleteNodeButton_Click(object sender, EventArgs e)
{
if (selectedNode != null)
{
for (int i = selectedNode.getId(); i <= nodeList.Count; i++)
{
if (nodeList.ContainsKey(i + 1))
{
nodeList[i] = nodeList[i + 1];
nodeList[i].setId(i);
}
else
{
nodeList.Remove(i);
}
}
List <int> connectionsToDelete = new List <int>();
foreach (NodeConnection connection in nodeConnectionList.Values)
{
if (connection.getParentNodeId() == selectedNode.getId() || connection.getChildNodeId() == selectedNode.getId())
{
connectionsToDelete.Add(connection.getId());
continue;
}
if (connection.getParentNodeId() > selectedNode.getId())
{
connection.setParentNodeId(connection.getParentNodeId() - 1);
}
if (connection.getChildNodeId() > selectedNode.getId())
{
connection.setChildNodeId(connection.getChildNodeId() - 1);
}
}
foreach (int id in connectionsToDelete)
{
nodeConnectionList.Remove(id);
}
selectedNode = null;
selectedNodeBox.Visible = false;
}
showConnectionLineBox();
canvas.Invalidate();
}
private void canvas_Paint(object sender, PaintEventArgs e)
{
// Initialize the graphics and set the smoothing mode to HQ
Graphics g = e.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
SolidBrush brush;
Pen pen;
// Draw node connections
foreach (NodeConnection connection in nodeConnectionList.Values)
{
Color nodeConnectionColor = ColorTranslator.FromHtml(connection.Color);
brush = new SolidBrush(nodeConnectionColor);
pen = new Pen(brush, connection.Size);
BubbleMapNode parentNode = nodeList[connection.getParentNodeId()];
BubbleMapNode childNode = nodeList[connection.getChildNodeId()];
Point parentNodePoint = new Point(parentNode.XPosition + parentNode.Size / 2, parentNode.YPosition + parentNode.Size / 2);
Point childNodePoint = new Point(childNode.XPosition + childNode.Size / 2, childNode.YPosition + childNode.Size / 2);
g.DrawLine(pen, parentNodePoint, childNodePoint);
}
// Draw nodes
foreach (BubbleMapNode node in nodeList.Values)
{
// Draw the shape of the node itself
//if (DEBUG) Console.WriteLine(node.ToString());
Color nodeBackgroundColor = ColorTranslator.FromHtml(node.BackgroundColor);
brush = new SolidBrush(nodeBackgroundColor);
g.FillEllipse(brush, node.XPosition, node.YPosition, (node.Size), (node.Size));
// Draw the caption inside of the node
Color nodeTextColor = ColorTranslator.FromHtml(node.TextColor);
brush = new SolidBrush(nodeTextColor);
Font captionFont = new Font("Arial", node.TextSize, FontStyle.Regular, GraphicsUnit.Point);
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
RectangleF textRect = new RectangleF(node.XPosition, node.YPosition, node.Size, node.Size);
g.DrawString(node.Caption, captionFont, brush, textRect, sf);
}
}