public HelpPanel(NodeProcess nodeProcess)
{
_process = nodeProcess;
// Write down help content
// GENERAL
ContentGroup cGroup = AddContentGroup("General");
cGroup.AppendDefinition("Open/Close [b]Help Panel[/b]").AddKey("F1");
cGroup.AppendDefinition("Pan area").AddKey("MMB → Drag");
cGroup.AppendDefinition("Zoom in/out (if allowed)").AddKey("CTRL+Scrollwheel");
cGroup.AppendDefinition("Show extra UI buttons").AddKey("ALT");
cGroup.AppendDefinition("Background context menu").AddKey("RMB");
// SELECTION
cGroup = AddContentGroup("Selection");
cGroup.AppendDefinition("Select all nodes").AddKey("CTRL+A");
cGroup.AppendDefinition("Draw selection rect").AddKey("LMB → Drag").AddKeyTarget("on background");
cGroup.AppendDefinition("Draw selection rect (add)").AddKey("SHIFT+LMB → Drag").AddKeyTarget("on background");
cGroup.AppendDefinition("Add/Remove node from selection").AddKey("SHIFT+LMB").AddKeyTarget("on node");
cGroup.AppendDefinition("Add node plus all forward connected nodes to selection").AddKey("SHIFT+ALT+LMB").AddKeyTarget("on node");
// NODE MANIPULATION
cGroup = AddContentGroup("Nodes Manipulation");
cGroup.AppendDefinition("Delete selected nodes").AddKey("DELETE").AddKey("BACKSPACE");
cGroup.AppendDefinition("Copy selected nodes").AddKey("CTRL+C");
cGroup.AppendDefinition("Cut selected nodes").AddKey("CTRL+X");
cGroup.AppendDefinition("Paste nodes").AddKey("CTRL+V");
cGroup.AppendDefinition("Move selected nodes by 1 pixel").AddKey("ARROWS");
cGroup.AppendDefinition("Move selected nodes by 10 pixel").AddKey("SHIFT+ARROWS");
cGroup.AppendDefinition("Disable snapping while dragging nodes").AddKey("ALT");
cGroup.AppendDefinition("Drag new connection from node (if allowed)").AddKey("CTRL+LMB → Drag");
cGroup.AppendDefinition("Clone selected nodes and drag them").AddKey("SHIFT+CTRL+LMB → Drag");
cGroup.AppendDefinition("Node context menu").AddKey("RMB");
}