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comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/SelectProvider.java @ 4573:b87073a05f9d

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flys-client: Patch to render combobox options as clickable links. The way of passing data arguments to the links and further to the Artifact feeding service is somewhat hacked and should be refactored (later...).
author Christian Lins <christian.lins@intevation.de>
date Tue, 27 Nov 2012 12:50:10 +0100
parents 03de5c424f95
children 32a4651eef93
comparison
equal deleted inserted replaced
4572:4bd42fe098b4 4573:b87073a05f9d
1 package de.intevation.flys.client.client.ui; 1 package de.intevation.flys.client.client.ui;
2 2
3 import com.google.gwt.core.client.GWT; 3 import com.google.gwt.core.client.GWT;
4
5 import com.smartgwt.client.types.VerticalAlignment; 4 import com.smartgwt.client.types.VerticalAlignment;
6 import com.smartgwt.client.widgets.Canvas; 5 import com.smartgwt.client.widgets.Canvas;
7 import com.smartgwt.client.widgets.Label; 6 import com.smartgwt.client.widgets.Label;
8 import com.smartgwt.client.widgets.form.DynamicForm; 7 import com.smartgwt.client.widgets.form.DynamicForm;
8 import com.smartgwt.client.widgets.form.fields.FormItem;
9 import com.smartgwt.client.widgets.form.fields.LinkItem;
9 import com.smartgwt.client.widgets.form.fields.SelectItem; 10 import com.smartgwt.client.widgets.form.fields.SelectItem;
11 import com.smartgwt.client.widgets.form.fields.SpacerItem;
12 import com.smartgwt.client.widgets.form.fields.events.ClickEvent;
13 import com.smartgwt.client.widgets.form.fields.events.ClickHandler;
10 import com.smartgwt.client.widgets.layout.HLayout; 14 import com.smartgwt.client.widgets.layout.HLayout;
11 import com.smartgwt.client.widgets.layout.VLayout; 15 import com.smartgwt.client.widgets.layout.VLayout;
12 16
13 import de.intevation.flys.client.client.FLYSConstants; 17 import de.intevation.flys.client.client.FLYSConstants;
18 import de.intevation.flys.client.client.event.StepForwardEvent;
14 import de.intevation.flys.client.shared.model.Data; 19 import de.intevation.flys.client.shared.model.Data;
15 import de.intevation.flys.client.shared.model.DataItem; 20 import de.intevation.flys.client.shared.model.DataItem;
16 import de.intevation.flys.client.shared.model.DataList; 21 import de.intevation.flys.client.shared.model.DataList;
17 import de.intevation.flys.client.shared.model.DefaultData; 22 import de.intevation.flys.client.shared.model.DefaultData;
18 import de.intevation.flys.client.shared.model.DefaultDataItem; 23 import de.intevation.flys.client.shared.model.DefaultDataItem;
19 24
25 import java.util.ArrayList;
20 import java.util.Iterator; 26 import java.util.Iterator;
21 import java.util.LinkedHashMap; 27 import java.util.LinkedHashMap;
22 import java.util.Map; 28 import java.util.Map;
23 29
24 30
34 40
35 /** The message class that provides i18n strings.*/ 41 /** The message class that provides i18n strings.*/
36 protected FLYSConstants messages = GWT.create(FLYSConstants.class); 42 protected FLYSConstants messages = GWT.create(FLYSConstants.class);
37 43
38 /** The combobox.*/ 44 /** The combobox.*/
39 protected DynamicForm form; 45 protected DynamicForm form = new DynamicForm();
46
47 public static final int COMBOBOX_THRESHOLD = 20;
40 48
41 49
42 /** 50 /**
43 * This method currently returns a 51 * This method currently returns a
44 * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all 52 * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all
48 * 56 *
49 * @return a combobox. 57 * @return a combobox.
50 */ 58 */
51 @Override 59 @Override
52 public Canvas create(DataList data) { 60 public Canvas create(DataList data) {
53 VLayout v = new VLayout(); 61 if (data.size() > COMBOBOX_THRESHOLD) {
54 v.setMembersMargin(10); 62 VLayout v = new VLayout();
55 63 v.setMembersMargin(10);
56 Canvas content = createWidget(data); 64 v.addMember(createComboboxWidget(data));
57 Canvas button = getNextButton(); 65 v.addMember(getNextButton());
58 66 return v;
59 v.addMember(content); 67 }
60 v.addMember(button); 68 else {
61 69 return createListWidget(data);
62 return v; 70 }
71 }
72
73
74 protected Canvas createWidget(DataList data) {
75 return create(data);
63 } 76 }
64 77
65 78
66 @Override 79 @Override
67 public Canvas createOld(DataList dataList) { 80 public Canvas createOld(DataList dataList) {
96 109
97 return layout; 110 return layout;
98 } 111 }
99 112
100 113
101 /** 114 protected Canvas createListWidget(DataList data) {
102 * This method creates the content of the widget. 115 VLayout layout = new VLayout();
103 *
104 * @param data The {@link DataList} object.
105 *
106 * @return a combobox.
107 */
108 protected Canvas createWidget(DataList data) {
109 GWT.log("SelectProvider - create()");
110
111 VLayout layout = new VLayout();
112 layout.setAlign(VerticalAlignment.TOP); 116 layout.setAlign(VerticalAlignment.TOP);
113 layout.setHeight(25); 117 layout.setHeight(25);
114 118 layout.setWidth("100%");
115 LinkedHashMap<String, String> initial = new LinkedHashMap<String, String>(); 119
116 120 VLayout formLayout = new VLayout();
117 form = new DynamicForm(); 121 formLayout.setLayoutTopMargin(20);
118 122 formLayout.setLayoutLeftMargin(50);
119 int size = data.size(); 123
120 124 ClickHandler handler = new ClickHandler() {
121 for (int i = 0; i < size; i++) { 125 @Override
126 public void onClick(ClickEvent event) {
127 LinkItem li = (LinkItem)event.getItem();
128 String attr = li.getAttribute(li.getName());
129 GWT.log("li.getTarget: " + attr + " " + li.getName());
130 DataItem item = new DefaultDataItem(
131 attr,
132 null,
133 attr);
134
135 Data d = new DefaultData(
136 li.getName(),
137 null,
138 null,
139 new DataItem [] { item });
140
141 Data [] odata = getData();
142 Data [] ndata = new Data[odata.length+1];
143 System.arraycopy(odata, 0, ndata, 0, odata.length);
144 ndata[odata.length] = d;
145
146 fireStepForwardEvent(new StepForwardEvent(ndata));
147 }
148 };
149
150 for (int i = 0, size = data.size(); i < size; i++) {
122 Data d = data.get(i); 151 Data d = data.get(i);
123 152
124 Label label = new Label(d.getDescription()); 153 Label label = new Label(d.getDescription());
125 label.setValign(VerticalAlignment.TOP); 154 label.setValign(VerticalAlignment.TOP);
126 label.setHeight(20); 155 label.setHeight(20);
127 label.setWidth(400); 156 label.setWidth(400);
128 157
158 LinkedHashMap<String, String> initial = new LinkedHashMap<String, String>();
159 ArrayList<FormItem> formItems = new ArrayList<FormItem>();
160
161 for (DataItem item: d.getItems()) {
162 initial.put(item.getLabel().replace(' ', '_'), item.getStringValue());
163 GWT.log("put: " + item.getLabel().replace(' ', '_') + "=" + item.getStringValue());
164
165 LinkItem link = new LinkItem(d.getLabel());
166 link.setLinkTitle(item.getLabel()); // i18n text of the link
167 link.setAttribute(d.getLabel(), item.getStringValue()); // e.g. "calculation_mode":"foo"
168 link.setShowTitle(false);
169 link.setEndRow(true);
170 link.setWidth("350px");
171
172 SpacerItem space = new SpacerItem();
173 space.setWidth(15);
174 formItems.add(space);
175 formItems.add(link);
176
177 link.addClickHandler(handler);
178 }
179
180 form.setFields(formItems.toArray(new FormItem[0]));
181 form.setValues(initial);
182
183 layout.addMember(label);
184 layout.addMember(form);
185 }
186 return layout;
187 }
188
189 protected Canvas createComboboxWidget(DataList data) {
190 GWT.log("SelectProvider.createComboboxWidget()");
191
192 VLayout layout = new VLayout();
193 layout.setAlign(VerticalAlignment.TOP);
194 layout.setHeight(25);
195
196 LinkedHashMap<String, String> initial = new LinkedHashMap<String, String>();
197
198 int size = data.size();
199
200 for (int i = 0; i < size; i++) {
201 Data d = data.get(i);
202
203 Label label = new Label(d.getDescription());
204 label.setValign(VerticalAlignment.TOP);
205 label.setHeight(20);
206 label.setWidth(400);
207
129 SelectItem combobox = new SelectItem(d.getLabel()); 208 SelectItem combobox = new SelectItem(d.getLabel());
130 combobox.setWidth(250); 209 combobox.setWidth(250);
131 210
132 LinkedHashMap<String, String> it = new LinkedHashMap<String, String>(); 211 LinkedHashMap<String, String> it = new LinkedHashMap<String, String>();
133 212
140 if (defValue != null && defValue.length() > 0) { 219 if (defValue != null && defValue.length() > 0) {
141 initial.put(d.getLabel(), def.getStringValue()); 220 initial.put(d.getLabel(), def.getStringValue());
142 defaultSet = true; 221 defaultSet = true;
143 } 222 }
144 223
145 // I was here. Me 2.
146 for (DataItem item: d.getItems()) { 224 for (DataItem item: d.getItems()) {
147 if (!defaultSet && first) { 225 if (!defaultSet && first) {
148 initial.put(d.getLabel(), item.getStringValue()); 226 initial.put(d.getLabel(), item.getStringValue());
149 first = false; 227 first = false;
150 } 228 }
176 254
177 Data[] list = new Data[values.size()]; 255 Data[] list = new Data[values.size()];
178 int i = 0; 256 int i = 0;
179 257
180 while (keys.hasNext()) { 258 while (keys.hasNext()) {
181 String fieldname = (String) keys.next(); 259 String fieldname = ((String) keys.next()).replace('_', ' ');
182 String selection = (String) values.get(fieldname); 260 String selection = (String) values.get(fieldname);
183 261
184 DataItem item = new DefaultDataItem(fieldname, null, selection); 262 DataItem item = new DefaultDataItem(fieldname, null, selection);
185 263
186 list[i++] = new DefaultData( 264 list[i++] = new DefaultData(
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