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# XCOS Wires Connection
### function connectionHandlerIsStartEvent()
- Starts connections on the background in wire-mode.
- function connectionHandlerMouseUp() depends on this function.
### function connectionHandlerMouseUp()
- Avoids any connections for gestures within tolerance except when in wire-mode or when over a port.
- Responsible for the removal of self connections over an mxCell (edges or vertices) in wire-mode.
### function updateFixedTerminalPoint()
- Updates connection points before the routing is called.
- Enables connection from any point on an edge.
- Without this function, default edge characteristics ( mid-point-specific connections only) come in play.
### function createEdgeState()
- Overrides methods to preview and create new edges.
- Enables horizontal and vertical edges in preview state.
- Without this function, any connection from an edge will have it's source point and target point chosen based on the assumed center of a straight edge having source edge's source point and target point.
### function createMarker()
- Adds in-place highlighting for complete cell area (no hotspot).
- Uses complete area of cell for new connections.
- Adds in-place highlighting when reconnecting existing edges.
### function WireConnector()
- Creates a custom horizontal and vertical edge style.
- Without this function, the source and terminal of a connection from an source edge is assumed as if the source edge were an perpendicular connection.
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