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1 package JSci.awt;
2
3 import java.util.ArrayList  ;
4 import java.util.List ;
5 import javax.swing.event.TableModelEvent ;
6 import javax.swing.event.TableModelListener ;
7 import javax.swing.table.AbstractTableModel ;
8
9
15 public final class DefaultCategoryGraph2DModel extends AbstractGraphModel implements CategoryGraph2DModel, TableModelListener {
16 private static final int X_AXIS_COLUMN = 0;
17 private static final int SERIES_COLUMN = 1;
18
19 private Object defaultCategories[] = new Object [0];
20 private final List series=new ArrayList ();
21 private int pos=0;
22 private DataSeries curSeries=null;
23
24 public DefaultCategoryGraph2DModel() {}
25
31 public void setCategories(Object cat[]) {
32 if(defaultCategories.length!=cat.length)
33 defaultCategories=new Object [cat.length];
34 System.arraycopy(cat,0,defaultCategories,0,cat.length);
35 }
36
40 public void addSeries(float newSeries[]) {
41 addSeries(new DataSeries(defaultCategories, newSeries));
42 }
43
47 public void addSeries(double newSeries[]) {
48 addSeries(new DataSeries(defaultCategories, newSeries));
49 }
50
53 public void addSeries(DataSeries newSeries) {
54 series.add(newSeries);
55 fireGraphDataChanged();
56 newSeries.addTableModelListener(this);
57 }
58
62 public void addSeries(Object newXAxis[], float newSeries[]) {
63 addSeries(new DataSeries(newXAxis, newSeries));
64 }
65
69 public void addSeries(Object newXAxis[], double newSeries[]) {
70 addSeries(new DataSeries(newXAxis, newSeries));
71 }
72
75 public void changeSeries(int i,DataSeries newSeries) {
76 getSeries(i).removeTableModelListener(this);
77 series.set(i, newSeries);
78 fireGraphDataChanged();
79 newSeries.addTableModelListener(this);
80 }
81
85 public void changeSeries(int i,float newSeries[]) {
86 getSeries(i).setValues(newSeries);
87 }
88
92 public void changeSeries(int i,double newSeries[]) {
93 getSeries(i).setValues(newSeries);
94 }
95
98 public void removeSeries(int i) {
99 getSeries(i).removeTableModelListener(this);
100 series.remove(i);
101 fireGraphDataChanged();
102 }
103 public DataSeries getSeries(int i) {
104 return (DataSeries)series.get(i);
105 }
106
109 public void setSeriesVisible(int i,boolean flag) {
110 getSeries(i).setVisible(flag);
111 }
112
113
117 public void tableChanged(TableModelEvent evt) {
118 if(evt.getColumn() == SERIES_COLUMN)
119 fireGraphSeriesUpdated(series.indexOf(evt.getSource()));
120 }
121
122
124 public String getCategory(int i) {
125 return curSeries.getCategory(i).toString();
126 }
127 public float getValue(int i) {
128 return curSeries.getValue(i);
129 }
130 public int seriesLength() {
131 return curSeries.length();
132 }
133 public void firstSeries() {
134 curSeries=getSeries(0);
135 for(pos=0;!curSeries.isVisible() && pos<series.size()-1;)
136 curSeries=getSeries(++pos);
137 }
138 public boolean nextSeries() {
139 if(pos==series.size()-1)
140 return false;
141 do {
142 curSeries=getSeries(++pos);
143 } while(!curSeries.isVisible() && pos<series.size()-1);
144 return curSeries.isVisible();
145 }
146
147
150 public static class DataSeries extends AbstractTableModel {
151 protected Object xAxis[] = new Object [0];
152 protected float series[] = new float[0];
153 private boolean isVis = true;
154
155 protected DataSeries() {}
156 public DataSeries(Object xValues[], float yValues[]) {
157 setCategories(xValues);
158 setValues(yValues);
159 }
160 public DataSeries(Object xValues[], double yValues[]) {
161 setCategories(xValues);
162 setValues(yValues);
163 }
164 public void setCategories(Object xValues[]) {
165 if(xAxis.length != xValues.length)
166 xAxis = new Object [xValues.length];
167 System.arraycopy(xValues,0,xAxis,0,xValues.length);
168 fireTableColumnUpdated(X_AXIS_COLUMN);
169 }
170 public void setValues(float yValues[]) {
171 if(series.length != yValues.length)
172 series = new float[yValues.length];
173 System.arraycopy(yValues,0,series,0,yValues.length);
174 fireTableColumnUpdated(SERIES_COLUMN);
175 }
176 public void setValues(double yValues[]) {
177 if(series.length != yValues.length)
178 series = new float[yValues.length];
179 for(int i=0;i<yValues.length;i++)
180 series[i] = (float) yValues[i];
181 fireTableColumnUpdated(SERIES_COLUMN);
182 }
183 public Object getCategory(int i) {
184 return xAxis[i];
185 }
186 public void setCategory(int i, Object x) {
187 xAxis[i] = x;
188 fireTableCellUpdated(i, X_AXIS_COLUMN);
189 }
190 public float getValue(int i) {
191 return series[i];
192 }
193 public void setValue(int i, float y) {
194 series[i] = y;
195 fireTableCellUpdated(i, SERIES_COLUMN);
196 }
197 public int length() {
198 return Math.min(xAxis.length, series.length);
199 }
200 public final void setVisible(boolean flag) {
201 if(flag != isVis) {
202 isVis = flag;
203 fireTableDataChanged();
204 }
205 }
206 public final boolean isVisible() {
207 return isVis;
208 }
209 private void fireTableColumnUpdated(int column) {
210 if(column == X_AXIS_COLUMN)
211 fireTableChanged(new TableModelEvent (this, 0, xAxis.length-1, column));
212 else if(column == SERIES_COLUMN)
213 fireTableChanged(new TableModelEvent (this, 0, series.length-1, column));
214 }
215
216
218 public String getColumnName(int col) {
219 if(col == X_AXIS_COLUMN)
220 return "X";
221 else if(col == SERIES_COLUMN)
222 return "Y";
223 else
224 return null;
225 }
226 public Class getColumnClass(int col) {
227 if(col == X_AXIS_COLUMN)
228 return Object .class;
229 else
230 return Float .class;
231 }
232 public final int getRowCount() {
233 return length();
234 }
235 public final int getColumnCount() {
236 return 2;
237 }
238 public Object getValueAt(int row, int col) {
239 if(col == X_AXIS_COLUMN)
240 return getCategory(row);
241 else if(col == SERIES_COLUMN)
242 return new Float (getValue(row));
243 else
244 return null;
245 }
246 public void setValueAt(Object value, int row, int col) {
247 if(col == X_AXIS_COLUMN)
248 setCategory(row, value);
249 else if(col == SERIES_COLUMN)
250 setValue(row, ((Float )value).floatValue());
251 }
252 public boolean isCellEditable(int row, int col) {
253 return true;
254 }
255 }
256 }
257
258 |
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