private void NodeControl_MouseDown(object sender, MouseButtonEventArgs e)
{
CaptureMouse();
scene_rendering_control.UpdateMouseTracking(e, true);
if (e.LeftButton == MouseButtonState.Pressed)
{
scene_rendering_control.selected_connector_control.Selected = null;
if ((Keyboard.Modifiers & ModifierKeys.Alt) > 0)
{
NodeControl nc_linked = sender as NodeControl;
foreach (NodeControl node_control in scene_rendering_control.GetSelectedNodeControls())
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(node_control, nc_linked);
scene_rendering_control.AddNewConnectorControl(cc);
}
}
else
{
if (!scene_rendering_control.IsSelectedNodeControl(this))
{
scene_rendering_control.SetSelectedNodeControl(sender as NodeControl, scene_rendering_control.IsUserIndicatingAddToSelection());
scene_rendering_control.selected_connector_control.Selected = null;
}
}
e.Handled = true;
}
}
private static void CreateSampleScene(SceneRenderingControl scene_rendering_control, double x, double y, double skew)
{
int N = 300;
Random random = new Random();
string[] icon_filenames = new string[] { "papers/binoculars", "papers/boat", "papers/flame", "papers/radioactive", "papers/bread", "papers/news", "papers/music", "papers/percentage", "papers/postit" };
NodeControl[] ncs = new NodeControl[N];
for (int i = 0; i < N; ++i)
{
object node_content;
switch (i % 2)
{
case 0:
{
IconNodeContent icon_node_content = new IconNodeContent(icon_filenames[random.Next(icon_filenames.Length)]);
node_content = icon_node_content;
break;
}
case 1:
{
StringNodeContent snc = new StringNodeContent();
snc.Text = String.Format("Button {0}", i);
node_content = snc;
break;
}
default:
node_content = null;
break;
}
double raw_angle = 6 * i * Math.PI / 100;
double distance = 10 + i * 4 + RandomAugmented.Instance.NextDouble() * 10;
double left = x + distance * (-2 + skew) * Math.Sin(raw_angle) + RandomAugmented.Instance.NextDouble() * 30 - 15;
double top = y + distance * (+2 + skew) * Math.Cos(raw_angle) + RandomAugmented.Instance.NextDouble() * 30 - 15;
ncs[i] = scene_rendering_control.AddNewNodeControl(node_content, left, top);
// A line for this to the prev nc
if (i > 3 && (i / 2) % 20 == 0)
{
for (int j = 0; j < 3; ++j)
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(ncs[i - j], ncs[i]);
scene_rendering_control.AddNewConnectorControl(cc);
}
}
}
}
public static void CreateSampleScene_Coordinates(SceneRenderingControl scene_rendering_control)
{
int EXTENT = 30;
int SCALE = 100;
NodeControl nx = scene_rendering_control.AddNewNodeControl(new StringNodeContent()
{
Text = "nx"
}, -2 * SCALE * EXTENT, 0, 100, 100);
NodeControl px = scene_rendering_control.AddNewNodeControl(new StringNodeContent()
{
Text = "px"
}, +2 * SCALE * EXTENT, 0, 100, 100);
NodeControl ny = scene_rendering_control.AddNewNodeControl(new StringNodeContent()
{
Text = "ny"
}, 0, -2 * SCALE * EXTENT, 100, 100);
NodeControl py = scene_rendering_control.AddNewNodeControl(new StringNodeContent()
{
Text = "py"
}, 0, +2 * SCALE * EXTENT, 100, 100);
for (int x = -EXTENT; x <= EXTENT; ++x)
{
for (int y = -EXTENT; y <= EXTENT; ++y)
{
double width = 100 / (1 + Math.Abs(x) + Math.Abs(y));
double height = 100 / (1 + Math.Abs(x) + Math.Abs(y));
double xpos = x * SCALE;
double ypos = y * SCALE;
StringNodeContent snc = new StringNodeContent();
snc.Text = String.Format("{0} {1}", xpos, ypos);
NodeControl node_control = scene_rendering_control.AddNewNodeControl(snc, xpos, ypos, width, height);
if (x == -EXTENT)
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(nx, node_control);
scene_rendering_control.AddNewConnectorControl(cc);
}
if (x == +EXTENT)
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(px, node_control);
scene_rendering_control.AddNewConnectorControl(cc);
}
if (y == -EXTENT)
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(ny, node_control);
scene_rendering_control.AddNewConnectorControl(cc);
}
if (y == +EXTENT)
{
ConnectorControl cc = new ConnectorControl(scene_rendering_control);
cc.SetNodes(py, node_control);
scene_rendering_control.AddNewConnectorControl(cc);
}
}
}
}