/*
* Copyright (C) 2014 Alfons Wirtz
* website www.freerouting.net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License at <http://www.gnu.org/licenses/>
* for more details.
*
* CircleConstructionState.java
*
* Created on 6. November 2003, 09:37
*/
package interactive;
import geometry.planar.Circle;
import geometry.planar.ConvexShape;
import geometry.planar.FloatPoint;
import geometry.planar.IntPoint;
import rules.BoardRules;
import board.AngleRestriction;
import board.RoutingBoard;
import board.FixedState;
/**
* Interactive creation of a circle obstacle
*
* @author Alfons Wirtz
*/
public class CircleConstructionState extends InteractiveState
{
/**
* Returns a new instance of this class.
* If p_logfile != null; the creation of this item is stored in a logfile
*/
public static CircleConstructionState get_instance(FloatPoint p_location,
InteractiveState p_parent_state, BoardHandling p_board_handling, Logfile p_logfile)
{
p_board_handling.remove_ratsnest(); // inserting a circle may change the connectivity.
return new CircleConstructionState(p_location, p_parent_state, p_board_handling, p_logfile);
}
/** Creates a new instance of CircleConstructionState */
private CircleConstructionState(FloatPoint p_location, InteractiveState p_parent_state, BoardHandling p_board_handling, Logfile p_logfile)
{
super(p_parent_state, p_board_handling, p_logfile);
circle_center = p_location;
if (this.logfile != null)
{
logfile.start_scope(LogfileScope.CREATING_CIRCLE, p_location);
}
}
public InteractiveState left_button_clicked(FloatPoint p_location)
{
if (logfile != null)
{
logfile.add_corner(p_location);
}
return this.complete();
}
public InteractiveState mouse_moved()
{
super.mouse_moved();
hdlg.repaint();
return this;
}
/**
* completes the circle construction state
*/
public InteractiveState complete()
{
IntPoint center = this.circle_center.round();
int radius = (int)Math.round(this.circle_radius);
int layer = hdlg.settings.layer;
int cl_class;
RoutingBoard board = hdlg.get_routing_board();
cl_class = BoardRules.clearance_class_none();
boolean construction_succeeded = (this.circle_radius > 0);
ConvexShape obstacle_shape = null;
if (construction_succeeded)
{
obstacle_shape = new Circle(center, radius);
if (hdlg.get_routing_board().rules.get_trace_angle_restriction() == AngleRestriction.NINETY_DEGREE)
{
obstacle_shape = obstacle_shape.bounding_box();
}
else if (hdlg.get_routing_board().rules.get_trace_angle_restriction() == AngleRestriction.FORTYFIVE_DEGREE)
{
obstacle_shape = obstacle_shape.bounding_octagon();
}
construction_succeeded = board.check_shape(obstacle_shape, layer, new int[0], cl_class);
}
if (construction_succeeded)
{
hdlg.screen_messages.set_status_message(resources.getString("keepout_successful_completed"));
// insert the new shape as keepout
this.observers_activated = !hdlg.get_routing_board().observers_active();
if (this.observers_activated)
{
hdlg.get_routing_board().start_notify_observers();
}
board.generate_snapshot();
board.insert_obstacle(obstacle_shape, layer, cl_class, FixedState.UNFIXED);
if (this.observers_activated)
{
hdlg.get_routing_board().end_notify_observers();
this.observers_activated = false;
}
}
else
{
hdlg.screen_messages.set_status_message(resources.getString("keepout_cancelled_because_of_overlaps"));
}
if (logfile != null)
{
logfile.start_scope(LogfileScope.COMPLETE_SCOPE);
}
hdlg.repaint();
return this.return_state;
}
/**
* Used when reading the next point from a logfile.
* Calls complete, because only 1 additional point is stored in the logfile.
*/
public InteractiveState process_logfile_point(FloatPoint p_point)
{
this.circle_radius = circle_center.distance(p_point);
return this;
}
/**
* draws the graphic construction aid for the circle
*/
public void draw(java.awt.Graphics p_graphics)
{
FloatPoint current_mouse_position = hdlg.get_current_mouse_position();
if (current_mouse_position == null)
{
return;
}
this.circle_radius = circle_center.distance(current_mouse_position);
hdlg.graphics_context.draw_circle(circle_center, circle_radius, 300, java.awt.Color.white, p_graphics, 1);
}
public javax.swing.JPopupMenu get_popup_menu()
{
return hdlg.get_panel().popup_menu_insert_cancel;
}
public void display_default_message()
{
hdlg.screen_messages.set_status_message(resources.getString("creating_circle"));
}
private final FloatPoint circle_center;
private double circle_radius = 0;
private boolean observers_activated = false;
}