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comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/OverviewOutputTab.java @ 2977:5161e25392ea

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Added chart overview to sq relation in minfo module. flys-client/trunk@4974 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 13 Jul 2012 08:54:57 +0000
parents
children d2a54ae0016b
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2976:e0c6de3a9803 2977:5161e25392ea
1 package de.intevation.flys.client.client.ui.chart;
2
3 import java.util.Date;
4 import java.util.HashMap;
5 import java.util.Map;
6 import java.util.Set;
7
8 import com.google.gwt.core.client.GWT;
9
10 import com.smartgwt.client.widgets.Canvas;
11 import com.smartgwt.client.widgets.Img;
12 import com.smartgwt.client.widgets.events.ResizedEvent;
13 import com.smartgwt.client.widgets.events.ResizedHandler;
14 import com.smartgwt.client.widgets.layout.HLayout;
15 import com.smartgwt.client.widgets.layout.VLayout;
16
17 import de.intevation.flys.client.client.Config;
18 import de.intevation.flys.client.client.ui.CollectionView;
19 import de.intevation.flys.client.client.ui.OutputTab;
20
21 import de.intevation.flys.client.shared.model.Collection;
22 import de.intevation.flys.client.shared.model.OutputMode;
23
24
25 /**
26 * An overview output tab. This tab displays an overview of all charts
27 * integrated in the current calculation mode.
28 *
29 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
30 */
31 public class OverviewOutputTab
32 extends OutputTab
33 implements ResizedHandler
34 {
35 /** The collection view.*/
36 protected CollectionView view;
37
38 /** The root layout. */
39 protected HLayout root;
40
41 /** The columns */
42 protected VLayout[] columns;
43
44 /** The chart container.*/
45 protected Canvas[][] charts;
46
47 /** All relevant output modes. */
48 protected Map<String, OutputMode> relModes;
49
50
51 public OverviewOutputTab(
52 String title,
53 Collection collection,
54 OutputMode mode,
55 CollectionView collectionView)
56 {
57 super(title, collection, collectionView, mode);
58
59 relModes = new HashMap<String, OutputMode>();
60
61 Map<String, OutputMode> modes = collection.getOutputModes();
62 Set<String> keys = modes.keySet();
63
64 // Get all relevant outputs.
65 for (String key: keys) {
66 OutputMode m = modes.get(key);
67 if (m.getType().equals("chart")) {
68 relModes.put(key, m);
69 }
70 }
71
72 root = new HLayout();
73 setPane(root);
74 root.addResizedHandler(this);
75
76 // Get the column and row count and initialize the grid.
77 int width = getColumnCount(relModes.size());
78 int height = getRowCount(relModes.size());
79 charts = new Canvas[width][height];
80 columns = new VLayout[width];
81
82 for (int i = 0; i < width; i++) {
83 columns[i] = new VLayout();
84 root.addMember(columns[i]);
85
86 for (int j = 0; j < height; j++) {
87 charts[i][j] = new Canvas();
88
89 // This is for 3, 6 or 9 charts only!
90 // TODO: Calculate the height.
91 charts[i][j].setHeight("30%");
92
93 String type =
94 ((OutputMode)relModes.values()
95 .toArray()[j + i * height]).getName();
96 columns[i].addMember(charts[i][j]);
97 charts[i][j].addChild(
98 new Img(getImgUrl(
99 charts[i][j].getWidth(),
100 charts[i][j].getHeight(), type)));
101
102 }
103 }
104 }
105
106
107 /**
108 * Resize handler.
109 *
110 * @param event The resize event.
111 */
112 @Override
113 public void onResized(ResizedEvent event) {
114 for (int i = 0; i < charts.length; i++) {
115 columns[i].setWidth(root.getWidth()/2);
116 for (int j = 0; j < charts[i].length; j++) {
117 String type =
118 ((OutputMode)relModes.values()
119 .toArray()[j + i * charts[i].length]).getName();
120 Canvas[] children = charts[i][j].getChildren();
121 for (int k = 0; k < children.length; k++) {
122 charts[i][j].removeChild(children[k]);
123 }
124 charts[i][j].addChild(new Img(
125 getImgUrl(
126 charts[i][j].getWidth(),
127 charts[i][j].getHeight(),
128 type),
129 charts[i][j].getWidth(),
130 charts[i][j].getHeight()
131 ));
132 }
133 }
134 }
135
136
137 /**
138 * Returns the column count for the grid.
139 *
140 * @param count all fields
141 * @return the column count
142 */
143 protected int getColumnCount(int count) {
144 if (count <= 3) {
145 return 1;
146 }
147 else if (count > 3 && count < 9) {
148 return 2;
149 }
150 else {
151 return 3;
152 }
153 }
154
155
156 /**
157 * Returns the row count for the grid.
158 *
159 * @param count all fields
160 * @return the row count
161 */
162 protected int getRowCount(int count) {
163 if(count <= 3) {
164 return count;
165 }
166 else if(count > 3 && count < 9) {
167 return ((count + (count % 2))/getColumnCount(count));
168 }
169 else {
170 return (count + (3 - (count % 3))/getColumnCount(count));
171 }
172 }
173
174
175 /**
176 * Builds the URL that points to the chart image.
177 *
178 * @param width The width of the requested chart.
179 * @param height The height of the requested chart.
180 * @param xr Optional x range (used for zooming).
181 * @param yr Optional y range (used for zooming).
182 *
183 * @return the URL to the chart image.
184 */
185 protected String getImgUrl(int width, int height, String type) {
186 Config config = Config.getInstance();
187
188 String imgUrl = GWT.getModuleBaseURL();
189 imgUrl += "chart";
190 imgUrl += "?uuid=" + collection.identifier();
191 imgUrl += "&type=" + type;
192 imgUrl += "&locale=" + config.getLocale();
193 imgUrl += "&timestamp=" + new Date().getTime();
194 imgUrl += "&width=" + Integer.toString(width);
195 imgUrl += "&height=" + Integer.toString(height);
196
197 return imgUrl;
198 }
199 }
200 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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