001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.dialogs.relation;
003
004import java.awt.BasicStroke;
005import java.awt.Color;
006import java.awt.Component;
007import java.awt.Graphics;
008import java.awt.Graphics2D;
009import java.awt.Image;
010
011import javax.swing.JTable;
012
013import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType;
014import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType.Direction;
015import org.openstreetmap.josm.tools.ImageProvider;
016
017public class MemberTableLinkedCellRenderer extends MemberTableCellRenderer {
018
019    static final Image arrowUp = ImageProvider.get("dialogs/relation", "arrowup").getImage();
020    static final Image arrowDown = ImageProvider.get("dialogs/relation", "arrowdown").getImage();
021    static final Image corners = ImageProvider.get("dialogs/relation", "roundedcorners").getImage();
022    static final Image roundabout_right = ImageProvider.get("dialogs/relation", "roundabout_right_tiny").getImage();
023    static final Image roundabout_left = ImageProvider.get("dialogs/relation", "roundabout_left_tiny").getImage();
024    private WayConnectionType value = new WayConnectionType();
025
026    @Override
027    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
028            int row, int column) {
029
030        reset();
031        if (value == null)
032            return this;
033
034        this.value = (WayConnectionType) value;
035        renderForeground(isSelected);
036        setToolTipText(((WayConnectionType)value).getToolTip());
037        renderBackground(getModel(table), null, isSelected);
038        return this;
039    }
040
041    @Override
042    public void paintComponent(Graphics g) {
043        super.paintComponent(g);
044        if (value == null || !value.isValid())
045            return;
046
047        int ymax=this.getSize().height - 1;
048        int xloop = 10;
049        int xowloop = 0;
050        if(value.isOnewayLoopForwardPart) {
051            xowloop = -3;
052        }
053        if(value.isOnewayLoopBackwardPart) {
054            xowloop = 3;
055        }
056
057        int xoff = this.getSize().width / 2;
058        if (value.isLoop) {
059            xoff -= xloop / 2 - 1;
060        }
061        int w = 2;
062        int p = 2 + w + 1;
063        int y1 = 0;
064        int y2 = 0;
065
066        if (value.linkPrev) {
067            g.setColor(Color.black);
068            if(value.isOnewayHead) {
069                g.fillRect(xoff - 1, 0, 3, 1);
070            } else {
071                g.fillRect(xoff - 1 + xowloop, 0, 3, 1);
072            }
073            y1 = 0;
074        } else {
075            if (value.isLoop) {
076                g.setColor(Color.black);
077                y1 = 5;
078                g.drawImage(corners,xoff,y1-3,xoff+3,y1, 0,0,3,3, new Color(0,0,0,0), null);
079                g.drawImage(corners,xoff+xloop-2,y1-3,xoff+xloop+1,y1, 2,0,5,3, new Color(0,0,0,0), null);
080                g.drawLine(xoff+3,y1-3,xoff+xloop-3,y1-3);
081            }
082            else {
083                g.setColor(Color.red);
084                if(value.isOnewayHead) {
085                    g.drawRect(xoff-1, p - 3 - w, w, w);
086                } else {
087                    g.drawRect(xoff-1 + xowloop, p - 1 - w, w, w);
088                }
089                y1 = p;
090            }
091        }
092
093        if (value.linkNext) {
094            g.setColor(Color.black);
095            if(value.isOnewayTail) {
096                g.fillRect(xoff - 1, ymax, 3, 1);
097            } else {
098                g.fillRect(xoff - 1 + xowloop, ymax, 3, 1);
099            }
100            y2 = ymax;
101        } else {
102            if (value.isLoop) {
103                g.setColor(Color.black);
104                y2 = ymax - 5;
105                g.fillRect(xoff-1, y2+2, 3, 3);
106                g.drawLine(xoff, y2, xoff, y2+2);
107                g.drawImage(corners,xoff+xloop-2,y2+1,xoff+xloop+1,y2+4, 2,2,5,5, new Color(0,0,0,0), null);
108                g.drawLine(xoff+3-1,y2+3,xoff+xloop-3,y2+3);
109            }
110            else {
111                g.setColor(Color.red);
112                if(value.isOnewayTail) {
113                    g.drawRect(xoff-1, ymax - p + 3, w, w);
114                } else {
115                    g.drawRect(xoff-1 + xowloop, ymax - p + 1, w, w);
116                }
117                y2 = ymax - p;
118            }
119        }
120
121        /* vertical lines */
122        g.setColor(Color.black);
123        if (value.isLoop) {
124            g.drawLine(xoff+xloop, y1, xoff+xloop, y2);
125        }
126
127        if (value.isOnewayHead) {
128            setDotted(g);
129            y1 = 7;
130
131            int[] xValues  = {xoff - xowloop + 1, xoff - xowloop + 1, xoff};
132            int[] yValues  = {ymax, y1+1, 1};
133            g.drawPolyline(xValues, yValues, 3);
134            unsetDotted(g);
135            g.drawLine(xoff + xowloop, y1+1, xoff, 1);
136        }
137
138        if(value.isOnewayTail){
139            setDotted(g);
140            y2 = ymax - 7;
141
142            int[] xValues  = {xoff+1, xoff - xowloop + 1, xoff - xowloop + 1};
143            int[] yValues  = {ymax-1, y2, y1};
144            g.drawPolyline(xValues, yValues, 3);
145            unsetDotted(g);
146            g.drawLine(xoff + xowloop, y2, xoff, ymax-1);
147        }
148
149        if ((value.isOnewayLoopForwardPart || value.isOnewayLoopBackwardPart) && !value.isOnewayTail && !value.isOnewayHead) {
150            setDotted(g);
151            g.drawLine(xoff - xowloop+1, y1, xoff - xowloop+1, y2 + 1);
152            unsetDotted(g);
153        }
154
155        if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart){
156            g.drawLine(xoff, y1, xoff, y2);
157        }
158
159        g.drawLine(xoff+xowloop, y1, xoff+xowloop, y2);
160
161        /* special icons */
162        Image arrow = null;
163        switch (value.direction) {
164        case FORWARD:
165            arrow = arrowDown;
166            break;
167        case BACKWARD:
168            arrow = arrowUp;
169            break;
170        }
171        if (value.direction == Direction.ROUNDABOUT_LEFT) {
172            g.drawImage(roundabout_left, xoff-6, 1, null);
173        } else if (value.direction == Direction.ROUNDABOUT_RIGHT) {
174            g.drawImage(roundabout_right, xoff-6, 1, null);
175        }
176
177        if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart &&
178                (arrow != null)) {
179            g.drawImage(arrow, xoff-3, (y1 + y2) / 2 - 2, null);
180        }
181
182        if (value.isOnewayLoopBackwardPart && value.isOnewayLoopForwardPart) {
183            if(arrow == arrowDown) {
184                arrow = arrowUp;
185            } else if (arrow == arrowUp) {
186                arrow = arrowDown;
187            }
188        }
189
190        if ((arrow != null)) {
191            g.drawImage(arrow, xoff+xowloop-3, (y1 + y2) / 2 - 2, null);
192        }
193    }
194
195    private void setDotted(Graphics g) {
196        ((Graphics2D)g).setStroke(new BasicStroke(
197                1f,
198                BasicStroke.CAP_BUTT,
199                BasicStroke.CAP_BUTT,
200                5f,
201                new float[] {1f, 2f},
202                0f));
203    }
204
205    private void unsetDotted(Graphics g) {
206        ((Graphics2D)g).setStroke(new BasicStroke());
207    }
208}