Mercurial > dive4elements > river

comparison flys-client/src/main/java/org/dive4elements/river/client/client/ui/ParameterMatrix.java @ 5834:f507086aa94b

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Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:31:32 +0200
parents flys-client/src/main/java/de/intevation/flys/client/client/ui/ParameterMatrix.java@d5821c6f0ab0
children 821a02bbfb4e
comparison
equal deleted inserted replaced
5833:a2bdc0f524e8 5834:f507086aa94b
1 package de.intevation.flys.client.client.ui;
2
3 import com.google.gwt.core.client.GWT;
4 import com.google.gwt.event.dom.client.ClickEvent;
5 import com.google.gwt.event.dom.client.ClickHandler;
6 import com.google.gwt.user.client.ui.CheckBox;
7 import com.google.gwt.user.client.ui.Grid;
8 import com.google.gwt.user.client.ui.Widget;
9
10 import com.smartgwt.client.types.ListGridFieldType;
11 import com.smartgwt.client.widgets.Canvas;
12 import com.smartgwt.client.widgets.Label;
13 import com.smartgwt.client.widgets.grid.ListGrid;
14 import com.smartgwt.client.widgets.grid.ListGridField;
15 import com.smartgwt.client.widgets.grid.ListGridRecord;
16
17 import de.intevation.flys.client.client.FLYSConstants;
18 import de.intevation.flys.client.shared.model.DataItem;
19 import de.intevation.flys.client.shared.model.IntegerOptionsData;
20 import de.intevation.flys.client.shared.model.StringOptionsData;
21
22 import java.io.Serializable;
23 import java.util.ArrayList;
24 import java.util.HashMap;
25 import java.util.List;
26 import java.util.Map;
27
28
29 /**
30 * Some parameters take the form of on/off options that can also be seen
31 * as a matrix.
32 *
33 * This class helps to survive the underlying objects and create a visual
34 * representation of this matrix. Later can happen in two ways to overcome
35 * shortcomings of GWT/SmartGWT combination.
36 */
37 public class ParameterMatrix {
38
39 protected ListGrid listGrid = null;
40
41 public static class Column implements Serializable {
42
43 private static final long serialVersionUID = -3493426383086860118L;
44
45 protected String name;
46 protected Map<String, String> values;
47
48 private Column() {
49 this.values = new HashMap<String, String>();
50 }
51
52 public Column(String name) {
53 this();
54 this.name = name;
55 }
56
57 public void addValue(String label, String value) {
58 values.put(label, value);
59 }
60
61 public String getValue(String label) {
62 return values.get(label);
63 }
64 } // end of class Column
65
66 /** The message class that provides i18n strings.*/
67 protected FLYSConstants MESSAGE = GWT.create(FLYSConstants.class);
68
69 public static final int CELL_HEIGHT = 25;
70
71 private Map<String, Column> columns;
72 private List<String> columnNames;
73 private List<String> valueNames;
74
75 /** Maps column names to list of rows' first fields. */
76 private Map<String, List<String>> selected;
77
78 public ParameterMatrix() {
79 super();
80 this.columns = new HashMap<String, Column>();
81 this.columnNames = new ArrayList<String>();
82 this.valueNames = new ArrayList<String>();
83 this.selected = new HashMap<String, List<String>>();
84 }
85
86
87 public void addColumn(IntegerOptionsData group) {
88 String groupTitle = group.getLabel();
89
90 Column col = new Column(groupTitle);
91 DataItem[] items = group.getItems();
92
93 if (items == null) {
94 GWT.log("No items found in StringOptionsData '" + groupTitle + "'");
95 return;
96 }
97
98 for (DataItem item: items) {
99 String title = item.getLabel();
100
101 if (valueNames.indexOf(title) < 0) {
102 valueNames.add(title);
103 }
104
105 col.addValue(item.getLabel(), item.getStringValue());
106 }
107
108 columnNames.add(groupTitle);
109 columns.put(groupTitle, col);
110 }
111
112
113 public void addColumn(StringOptionsData options) {
114 String groupTitle = options.getLabel();
115
116 Column col = new Column(groupTitle);
117 DataItem[] items = options.getItems();
118
119 if (items == null) {
120 GWT.log("No items found in StringOptionsData '" + groupTitle + "'");
121 return;
122 }
123
124 for (DataItem item: items) {
125 String title = item.getLabel();
126
127 if (valueNames.indexOf(title) < 0) {
128 valueNames.add(title);
129 }
130
131 col.addValue(item.getLabel(), item.getStringValue());
132 }
133
134 columnNames.add(groupTitle);
135 columns.put(groupTitle, col);
136 }
137
138
139 public Widget createParameterGrid() {
140 listGrid = new ListGrid();
141 listGrid.setShowAllRecords(true);
142 listGrid.setWrapCells(true);
143 listGrid.setShowHeaderContextMenu(false);
144 listGrid.setCanReorderFields(false);
145 listGrid.setCanSort(false);
146 //listGrid.setAutoFitData(Autofit.VERTICAL);
147 listGrid.setFixedRecordHeights(false);
148 // TODO: Then also need "autofit" (when wrapping)
149
150 ListGridField itemNameField = new ListGridField("itemname", " ");
151 ArrayList<ListGridField> fields = new ArrayList<ListGridField>();
152 fields.add(itemNameField);
153
154 for (int i = 0, n = columnNames.size(); i < n; i++) {
155 ListGridField field = new ListGridField(columnNames.get(i), MESSAGE.getString(columnNames.get(i)));
156 field.setType(ListGridFieldType.BOOLEAN);
157 field.setCanEdit(true);
158 fields.add(field);
159 selected.put(columnNames.get(i), new ArrayList<String>());
160 }
161
162 ListGridField[] fieldsArray = fields.toArray(new ListGridField[fields.size()]);
163 listGrid.setFields(fieldsArray);
164
165 int nVals = valueNames.size();
166
167 ArrayList<ListGridRecord> records = new ArrayList<ListGridRecord>();
168 for (int j = 0; j < nVals; j++) {
169 String valueName = valueNames.get(j);
170 ListGridRecord record = new ListGridRecord();
171 record.setAttribute("itemname", valueName);
172 for (int i = 0, n = columnNames.size(); i < n; i++) {
173 String columnName = columnNames.get(i);
174 Column col = columns.get(columnName);
175 String value = col.getValue(valueName);
176 record.setAttribute(columnName, false);
177 record.setAttribute(columnName+"-value", value);
178 }
179 records.add(record);
180 }
181
182 listGrid.setData(records.toArray(new ListGridRecord[records.size()]));
183
184 return listGrid;
185
186 }
187
188
189 /**
190 * Returns a widget with matrix of checkboxes and labels.
191 * @param asListGrid if true, use a ListGrid (for inclusion in SmartGWT
192 * containers, avoiding scrollbar-issues.
193 */
194 public Widget create(boolean asListGrid) {
195 if (asListGrid) {
196 return createParameterGrid();
197 }
198 Grid grid = new Grid(valueNames.size() + 1, columnNames.size() + 1);
199
200 for (int i = 0, n = columnNames.size(); i < n; i++) {
201 String columnName = columnNames.get(i);
202 Column col = columns.get(columnName);
203
204 selected.put(columnName, new ArrayList<String>());
205
206 grid.setWidget(0, i+1, createLabel(MESSAGE.getString(columnName)));
207
208 for (int j = 0, o = valueNames.size(); j < o; j++) {
209 String valueName = valueNames.get(j);
210 String value = col.getValue(valueName);
211
212 if (i == 0) {
213 grid.setWidget(j+1, 0, createLabel(valueName));
214 }
215
216 if (value != null && value.length() > 0) {
217 grid.setWidget(j+1, i+1, createCheckBox(columnName, value));
218 }
219 }
220 }
221
222 return grid;
223 }
224
225
226 /** Creates label with given text. */
227 protected Label createLabel(String text) {
228 Label label = new Label(text);
229 label.setHeight(CELL_HEIGHT);
230
231 return label;
232 }
233
234
235 /** Create Checkbox for column/value. */
236 protected Canvas createCheckBox(final String colName, final String value) {
237 CheckBox box = new CheckBox();
238 box.addClickHandler(new ClickHandler() {
239
240 @Override
241 public void onClick(ClickEvent event) {
242 Map<String, List<String>> selection = getSelection();
243
244 List<String> values = selection.get(colName);
245 if (values.indexOf(value) >= 0) {
246 values.remove(value);
247 }
248 else {
249 values.add(value);
250 }
251 }
252 });
253
254 Canvas c = new Canvas();
255 c.addChild(box);
256 return c;
257 }
258
259
260 public Map<String, List<String>> getSelection() {
261 if (listGrid == null) {
262 return selected;
263 }
264
265 ListGridRecord[] records = listGrid.getRecords();
266 Map<String, List<String>> result = new HashMap<String, List<String>>();
267 for (ListGridRecord record : records) {
268 for (int i = 0, n = columnNames.size(); i < n; i++) {
269 String columnName = columnNames.get(i);
270 if (Boolean.valueOf(record.getAttribute(columnName)) == true) {
271 if (result.containsKey(columnName)) {
272 result.get(columnName).add(record.getAttribute(columnName + "-value"));
273 }
274 else {
275 List<String> items = new ArrayList<String>();
276 items.add(record.getAttribute(columnName + "-value"));
277 result.put(columnName, items);
278 }
279 }
280 }
281 }
282 return result;
283 }
284 }
285 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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