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comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWidget.java @ 897:2b6efb8b2301

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Refactored DatacageWidget to allow reuse in other use-cases. flys-client/trunk@2743 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 14 Sep 2011 14:18:54 +0000
parents 63b258bf365c
children a1a5dc2b9e34
comparison
equal deleted inserted replaced
896:fe23bbf0ea11 897:2b6efb8b2301
42 42
43 import java.util.ArrayList; 43 import java.util.ArrayList;
44 import java.util.List; 44 import java.util.List;
45 import java.util.Stack; 45 import java.util.Stack;
46 46
47 // TODO: refactor, extract ~DataCageGrid
47 public class DatacageWidget 48 public class DatacageWidget
48 extends VLayout 49 extends VLayout
49 { 50 {
50 protected MetaDataServiceAsync metaDataService = 51 protected MetaDataServiceAsync metaDataService =
51 GWT.create(MetaDataService.class); 52 GWT.create(MetaDataService.class);
72 73
73 public DatacageWidget(Artifact artifact, User user) { 74 public DatacageWidget(Artifact artifact, User user) {
74 this(artifact, user, null); 75 this(artifact, user, null);
75 } 76 }
76 77
77
78 public DatacageWidget(Artifact artifact, User user, String outs) { 78 public DatacageWidget(Artifact artifact, User user, String outs) {
79 this(artifact, user, outs, true);
80 }
81
82 public DatacageWidget(Artifact artifact, User user, String outs,
83 boolean showButton) {
79 this(); 84 this();
80 85
81 this.artifact = artifact; 86 this.artifact = artifact;
82 this.user = user; 87 this.user = user;
83 this.outs = outs; 88 this.outs = outs;
105 } 110 }
106 }); 111 });
107 112
108 addMember(treeGrid); 113 addMember(treeGrid);
109 114
115 if (showButton) {
116 addMember(createPlusButton());
117 }
118
119 triggerTreeBuilding();
120 }
121
122
123 /**
124 * @param handler Handler to be added (notified on add-action).
125 */
126 public DatacageWidget(Artifact artifact, User user, String outs,
127 DatacageHandler handler) {
128 this(artifact, user, outs);
129 this.addDatacageHandler(handler);
130 }
131
132
133 /**
134 * @param handler Handler to be added (notified on add-action).
135 */
136 public void addDatacageHandler(DatacageHandler handler) {
137 if (!handlers.contains(handler)) {
138 handlers.add(handler);
139 }
140 }
141
142
143 /**
144 * @param handler Handler to remove from list.
145 */
146 public void removeDatacageHandler(DatacageHandler handler) {
147 handlers.remove(handler);
148 }
149
150
151 public ToLoad getToLoad() {
152 return toLoad;
153 }
154
155
156 public ToLoad getSelection() {
157 // Reset content of toLoads.
158 toLoad = new ToLoad();
159
160 if (treeGrid == null) {
161 return toLoad;
162 }
163
164 ListGridRecord [] selection = treeGrid.getSelection();
165
166 if (selection != null) {
167 for (ListGridRecord record: selection) {
168 if (record instanceof TreeNode) {
169 collectToLoads((TreeNode)record);
170 }
171 }
172 }
173
174 return toLoad;
175 }
176
177
178 /**
179 * Callback for add-button.
180 * Fires to load for every selected element and handler.
181 */
182 public void plusClicked() {
183 if (!getSelection().isEmpty()) {
184 fireToLoad();
185 }
186 }
187
188
189 protected Button createPlusButton() {
110 // TODO: i18n + icon 190 // TODO: i18n + icon
111 Button plusBtn = new Button("+"); 191 Button plusBtn = new Button("+");
112 plusBtn.addClickHandler(new ClickHandler() { 192 plusBtn.addClickHandler(new ClickHandler() {
113 @Override 193 @Override
114 public void onClick(ClickEvent event) { 194 public void onClick(ClickEvent event) {
115 plusClicked(); 195 plusClicked();
116 } 196 }
117 }); 197 });
118 198 return plusBtn;
119 addMember(plusBtn); 199 }
120 200
121 triggerTreeBuilding();
122 }
123
124 public void addDatacageHandler(DatacageHandler handler) {
125 if (!handlers.contains(handler)) {
126 handlers.add(handler);
127 }
128 }
129
130 public void removeDatacageHandler(DatacageHandler handler) {
131 handlers.remove(handler);
132 }
133
134 public ToLoad getToLoad() {
135 return toLoad;
136 }
137
138 public void plusClicked() {
139 if (treeGrid == null) {
140 return;
141 }
142
143 ListGridRecord [] selection = treeGrid.getSelection();
144
145 if (selection != null) {
146 for (ListGridRecord record: selection) {
147 if (record instanceof TreeNode) {
148 collectToLoads((TreeNode)record);
149 }
150 }
151 }
152
153 if (!toLoad.isEmpty()) {
154 fireToLoad();
155 }
156 }
157 201
158 protected void fireToLoad() { 202 protected void fireToLoad() {
159 for (DatacageHandler handler: handlers) { 203 for (DatacageHandler handler: handlers) {
160 handler.toLoad(toLoad); 204 handler.toLoad(toLoad);
161 } 205 }
162 } 206 }
163 207
208
164 protected void doubleClickedOnTree(RecordDoubleClickEvent event) { 209 protected void doubleClickedOnTree(RecordDoubleClickEvent event) {
165 210
166 TreeNode node = (TreeNode)event.getRecord(); 211 TreeNode node = (TreeNode)event.getRecord();
167 collectToLoads(node); 212 collectToLoads(node);
168 destroy(); 213 destroy();
169 } 214 }
215
170 216
171 protected void collectToLoads(TreeNode node) { 217 protected void collectToLoads(TreeNode node) {
172 Stack<TreeNode> stack = new Stack<TreeNode>(); 218 Stack<TreeNode> stack = new Stack<TreeNode>();
173 219
174 stack.push(node); 220 stack.push(node);
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