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1
19 package org.netbeans.modules.xml.wsdl.ui.view.grapheditor.widget;
20
21 import java.awt.BasicStroke  ;
22 import java.awt.Color ;
23 import java.awt.Graphics2D ;
24 import java.awt.Polygon ;
25 import java.awt.Rectangle ;
26 import java.awt.Stroke ;
27
28 import org.netbeans.api.visual.widget.Scene;
29 import org.netbeans.api.visual.widget.Widget;
30
31
38 public class ArrowWidget extends Widget {
39
40 private int _width = -1;
41 private int _height = 10;
42 private int _x = 0;
43 private int _y = 0;
44 private int _thickness = 1;
45 private Color _color = WidgetConstants.INPUT_OUTPUT_ARROW_COLOR;
46 private boolean mToEast;
47 private ParameterType _type;
48 private Stroke _stroke;
49
50 public static enum ParameterType {
51
52 INPUT, OUTPUT, FAULT
53 }
54
55 public ArrowWidget(Scene scene) {
56 super(scene);
57 }
58
59
60
61 public ArrowWidget(Scene scene, boolean toEast, ParameterType type) {
62 this(scene);
63 this.mToEast = toEast;
64 _type = type;
65 if (_type == ParameterType.INPUT) {
66 _stroke = new BasicStroke (_thickness);
67 } else {
68 _stroke = new BasicStroke (_thickness, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_ROUND, 1, new float[]{5, 10, 5,10}, 0);
69 }
70 }
71
72
73
74 @Override
75 protected Rectangle calculateClientArea() {
76 Rectangle r = super.calculateClientArea();
77 r.height = _height;
78 return r;
79 }
80
81 @Override
82 protected void paintWidget() {
83 Graphics2D gr = getGraphics();
84 drawArrow(gr, _x, _y, getBounds().width, _height, _color, _stroke);
85 }
86
87 private void drawArrow(Graphics2D g, int x, int y , int width, int height, Color color, Stroke stroke) {
88 double heightOfTriangle = Math.sqrt(height * height * 5 / 4);
89 int heightOfTriangleInInt = new Double (heightOfTriangle).intValue();
90
91 int x1 = x;
92 int width1 = width - heightOfTriangleInInt;
93 if (!mToEast) {
94 x1 = x + heightOfTriangleInInt;
95 }
96 Color origColor = g.getColor();
97 Stroke origStroke = g.getStroke();
98
99 g.setColor(color);
100 g.setStroke(stroke);
101 int y1 = y + height / 2;
102 g.drawLine(x1, y1, x1 + width1, y1);
103
104 Polygon p = new Polygon ();
105
106 int px1 = mToEast ? x + width1 : x + heightOfTriangleInInt;
107 int px2 = mToEast ? x + width : x;
108 int py1 = y;
109 int py2 = y + height;
110 int pyMidPoint = y + height / 2;
111
112 p.addPoint(px1, py1);
113 p.addPoint(px2, pyMidPoint); p.addPoint(px1, py2);
115 g.fillPolygon(p);
116 g.setColor(origColor);
117 g.setStroke(origStroke);
118 }
119
120
121
122
123 public Color getColor() {
124 return _color;
125 }
126
127
128
129
130 public void setColor(Color color) {
131 this._color = color;
132 }
133
134
135
136
137 public int getHeight() {
138 return _height;
139 }
140
141
142
143
144 public void setHeight(int height) {
145 this._height = height;
146 }
147
148
149
150
151 public int getThickness() {
152 return _thickness;
153 }
154
155
156
157
158 public void setThickness(int thickness) {
159 this._thickness = thickness;
160 }
161
162
163
164
165 public int getWidth() {
166 return _width;
167 }
168
169
170
171
172 public void setWidth(int width) {
173 this._width = width;
174 }
175
176
177
178
179 public int getX() {
180 return _x;
181 }
182
183
184
185
186 public void setX(int x) {
187 this._x = x;
188 }
189
190
191
192
193 public int getY() {
194 return _y;
195 }
196
197
198
199
200 public void setY(int y) {
201 this._y = y;
202 }
203
204 }
205 |
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