Mercurial > dive4elements > river

comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 4268:f75968f0ce80

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Refactor GaugePanel and GaugeInfo to extract a base class Extract a base class from GaugePanel and GaugeInfo to reuse code for displaying the measurement station information.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 26 Oct 2012 12:19:54 +0200
parents a1bc5b8cff0f
children
comparison
equal deleted inserted replaced
4267:8f9f80db46f3 4268:f75968f0ce80
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 import com.google.gwt.i18n.client.NumberFormat;
5 import com.google.gwt.user.client.rpc.AsyncCallback; 4 import com.google.gwt.user.client.rpc.AsyncCallback;
6 import com.google.gwt.user.client.ui.Anchor;
7 import com.google.gwt.user.client.ui.HorizontalPanel;
8 import com.google.gwt.user.client.ui.Label;
9
10 import com.smartgwt.client.types.Overflow;
11 import com.smartgwt.client.widgets.Canvas;
12 import com.smartgwt.client.widgets.WidgetCanvas;
13 import com.smartgwt.client.widgets.events.ResizedEvent;
14 import com.smartgwt.client.widgets.events.ResizedHandler;
15 import com.smartgwt.client.widgets.layout.SectionStackSection;
16 import com.smartgwt.client.widgets.layout.VLayout;
17
18 import de.intevation.flys.client.client.FLYS; 5 import de.intevation.flys.client.client.FLYS;
19 import de.intevation.flys.client.client.FLYSConstants;
20 import de.intevation.flys.client.client.services.RiverInfoService;
21 import de.intevation.flys.client.client.services.RiverInfoServiceAsync;
22 import de.intevation.flys.client.shared.model.DataList;
23 import de.intevation.flys.client.shared.model.RiverInfo; 6 import de.intevation.flys.client.shared.model.RiverInfo;
24 7
25 /** 8 /**
26 * The GaugePanel is intended to be used within a SectionStackSection 9 * The GaugePanel is intended to be used within a SectionStackSection
27 * It extends the VLayout by two methods to show and hide the
28 * section stack section.
29 * 10 *
30 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> 11 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
31 */ 12 */
32 public class GaugePanel extends VLayout implements ResizedHandler { 13 public class GaugePanel extends InfoPanel {
33
34 /** SectionStackSection where this GaugePanel belongs in*/
35 private SectionStackSection section;
36
37 /** Name of the river */
38 private String river;
39
40 /** The message class that provides i18n strings.*/
41 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
42
43 protected RiverInfoServiceAsync riverInfoService =
44 GWT.create(RiverInfoService.class);
45
46 protected GaugeTree gaugetree;
47 protected Canvas gaugetreecanvas;
48
49 protected RiverInfoPanel riverinfopanel;
50
51 public final static String SECTION_ID = "GaugePanelSection";
52 private final static String GAUGE_TREE_CANVAS_ID =
53 "GaugeTreeCanvas";
54 14
55 /** 15 /**
56 * Creates a new VLayout with a SectionStackSection 16 * GaugePanel loads the GaugeInfo from the RiverInfoService and
57 * The GaugePanel's SectionStackSection is hidden by default. 17 * displays them in a tree underneath a RiverInfoPanel
58 * 18 *
59 * @param flys The FLYS object 19 * @param flys The FLYS object
60 * @param section The section stack section to place the VLayout in.
61 */ 20 */
62 public GaugePanel(FLYS flys) { 21 public GaugePanel(FLYS flys) {
63 SectionStackSection section = new SectionStackSection(); 22 super(new GaugeTree(flys));
64 section.setExpanded(false);
65 section.setTitle(MSG.gaugePanelTitle());
66 section.setName(SECTION_ID);
67 section.setID(SECTION_ID);
68
69 gaugetree = new GaugeTree(flys);
70 gaugetreecanvas = new WidgetCanvas(gaugetree);
71 gaugetreecanvas.setID(GAUGE_TREE_CANVAS_ID);
72
73 setOverflow(Overflow.HIDDEN);
74 setStyleName("gaugepanel");
75
76 section.setHidden(true);
77 section.setItems(this);
78 this.section = section;
79
80 addResizedHandler(this);
81 } 23 }
82 24
83 /** 25 @Override
84 * Sets and loads the river data if river is not the current set river 26 public String getSectionTitle() {
85 */ 27 return MSG.gaugePanelTitle();
86 public void setRiver(String river) {
87 if (!river.equals(this.river)) {
88 this.river = river;
89 this.refresh();
90 }
91 }
92
93 /**
94 * Sets the data and closes not corresponding folds in the gauge tree
95 */
96 public void setData(DataList[] data) {
97 gaugetree.setData(data);
98 } 28 }
99 29
100 /** 30 /**
101 * Loads the river info and renders it afterwards 31 * Loads the river info and renders it afterwards
102 */ 32 */
110 } 40 }
111 41
112 @Override 42 @Override
113 public void onSuccess(RiverInfo riverinfo) { 43 public void onSuccess(RiverInfo riverinfo) {
114 GWT.log("Loaded river info"); 44 GWT.log("Loaded river info");
115 renderGaugeOverviewInfo(riverinfo); 45 render(riverinfo);
116 expand(); 46 expand();
117 } 47 }
118 }); 48 });
119 } 49 }
120 50
121 public void renderGaugeOverviewInfo(RiverInfo riverinfo) {
122 gaugetree.setGauges(riverinfo);
123
124 if (riverinfopanel == null) {
125 removeAllMembers();
126
127 riverinfopanel = new RiverInfoPanel(riverinfo);
128
129 addMember(riverinfopanel);
130 addMember(gaugetreecanvas);
131 }
132 else {
133 riverinfopanel.setRiverInfo(riverinfo);
134 }
135 }
136
137 @Override
138 public void onResized(ResizedEvent event) {
139 /* this height calculation is only an approximation and doesn't reflect
140 * the real height of the the gaugetree. */
141 int height = getInnerContentHeight() -
142 RiverInfoPanel.getStaticHeight();
143 int width = getInnerContentWidth();
144
145 if (height < 0) {
146 height = 0;
147 }
148
149 GWT.log("GaugePanel - onResize " + height);
150
151 gaugetree.setHeight("" + height + "px");
152 gaugetree.setWidth("" + width + "px");
153 }
154
155
156 /**
157 * Hide the section stack section.
158 */
159 @Override
160 public void hide() {
161 GWT.log("GaugePanel - hide");
162 this.section.setHidden(true);
163 }
164
165 /**
166 * Show the section stack section.
167 */
168 @Override
169 public void show() {
170 GWT.log("GaugePanel - show");
171 this.section.setHidden(false);
172 }
173
174 @Override
175 public void addMember(Canvas component) {
176 super.addMember(component);
177 expand();
178 }
179
180 @Override
181 public void removeMembers(Canvas[] components) {
182 super.removeMembers(components);
183 contract();
184 }
185
186 public SectionStackSection getSection() {
187 return this.section;
188 }
189
190 private void removeAllMembers() {
191 removeMembers(getMembers());
192 }
193
194 /**
195 * Expands the gauge section
196 */
197 public void expand() {
198 section.setExpanded(true);
199 }
200
201 /**
202 * Contracts/shrinks the expanded gauge section
203 */
204 public void contract() {
205 section.setExpanded(false);
206 }
207 } 51 }
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