Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/OverviewOutputTab.java @ 2982:d2a54ae0016b

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Switched from 2 columns and 3 rows to 3 columns and 2 rows in sq chart overview. flys-client/trunk@4981 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 13 Jul 2012 10:09:20 +0000
parents 5161e25392ea
children e746e57c65c0
rev   line source
2977
5161e25392ea Added chart overview to sq relation in minfo module.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.client.client.ui.chart;
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2
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3 import java.util.Date;
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4 import java.util.HashMap;
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5 import java.util.Map;
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6 import java.util.Set;
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7
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Raimund Renkert <raimund.renkert@intevation.de>
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8 import com.google.gwt.core.client.GWT;
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9
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10 import com.smartgwt.client.widgets.Canvas;
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11 import com.smartgwt.client.widgets.Img;
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12 import com.smartgwt.client.widgets.events.ResizedEvent;
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13 import com.smartgwt.client.widgets.events.ResizedHandler;
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14 import com.smartgwt.client.widgets.layout.HLayout;
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15 import com.smartgwt.client.widgets.layout.VLayout;
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16
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17 import de.intevation.flys.client.client.Config;
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18 import de.intevation.flys.client.client.ui.CollectionView;
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19 import de.intevation.flys.client.client.ui.OutputTab;
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20
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21 import de.intevation.flys.client.shared.model.Collection;
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22 import de.intevation.flys.client.shared.model.OutputMode;
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23
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24
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Raimund Renkert <raimund.renkert@intevation.de>
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25 /**
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26 * An overview output tab. This tab displays an overview of all charts
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27 * integrated in the current calculation mode.
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Raimund Renkert <raimund.renkert@intevation.de>
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28 *
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Raimund Renkert <raimund.renkert@intevation.de>
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29 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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30 */
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31 public class OverviewOutputTab
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32 extends OutputTab
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33 implements ResizedHandler
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34 {
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35 /** The collection view.*/
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36 protected CollectionView view;
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37
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38 /** The root layout. */
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39 protected HLayout root;
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40
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41 /** The columns */
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42 protected VLayout[] columns;
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43
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Raimund Renkert <raimund.renkert@intevation.de>
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44 /** The chart container.*/
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45 protected Canvas[][] charts;
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46
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Raimund Renkert <raimund.renkert@intevation.de>
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47 /** All relevant output modes. */
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Raimund Renkert <raimund.renkert@intevation.de>
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48 protected Map<String, OutputMode> relModes;
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49
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50
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51 public OverviewOutputTab(
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Raimund Renkert <raimund.renkert@intevation.de>
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52 String title,
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53 Collection collection,
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54 OutputMode mode,
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55 CollectionView collectionView)
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Raimund Renkert <raimund.renkert@intevation.de>
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56 {
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57 super(title, collection, collectionView, mode);
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58
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59 relModes = new HashMap<String, OutputMode>();
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60
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61 Map<String, OutputMode> modes = collection.getOutputModes();
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62 Set<String> keys = modes.keySet();
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63
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64 // Get all relevant outputs.
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65 for (String key: keys) {
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66 OutputMode m = modes.get(key);
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67 if (m.getType().equals("chart")) {
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68 relModes.put(key, m);
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69 }
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70 }
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71
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72 root = new HLayout();
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73 setPane(root);
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74 root.addResizedHandler(this);
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75
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76 // Get the column and row count and initialize the grid.
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77 int width = getColumnCount(relModes.size());
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78 int height = getRowCount(relModes.size());
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79 charts = new Canvas[width][height];
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80 columns = new VLayout[width];
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81
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82 for (int i = 0; i < width; i++) {
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83 columns[i] = new VLayout();
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84 root.addMember(columns[i]);
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85
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86 for (int j = 0; j < height; j++) {
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87 charts[i][j] = new Canvas();
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88
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89 // This is for 3, 6 or 9 charts only!
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90 // TODO: Calculate the height.
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91 charts[i][j].setHeight("50%");
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92
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93 String type =
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94 ((OutputMode)relModes.values()
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95 .toArray()[j + i * height]).getName();
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96 columns[i].addMember(charts[i][j]);
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97 charts[i][j].addChild(
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98 new Img(getImgUrl(
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99 charts[i][j].getWidth(),
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100 charts[i][j].getHeight(), type)));
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101
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102 }
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103 }
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104 }
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105
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106
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107 /**
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108 * Resize handler.
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109 *
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110 * @param event The resize event.
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111 */
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112 @Override
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113 public void onResized(ResizedEvent event) {
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114 for (int i = 0; i < charts.length; i++) {
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parents: 2977
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115 // This is for 3, 6 or 9 charts only!
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parents: 2977
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116 // TODO: Calculate the width.
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117 columns[i].setWidth(root.getWidth()/3);
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118
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119 for (int j = 0; j < charts[i].length; j++) {
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120 String type =
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121 ((OutputMode)relModes.values()
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122 .toArray()[j + i * charts[i].length]).getName();
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123 Canvas[] children = charts[i][j].getChildren();
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124 for (int k = 0; k < children.length; k++) {
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125 charts[i][j].removeChild(children[k]);
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126 }
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127 charts[i][j].addChild(new Img(
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128 getImgUrl(
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129 charts[i][j].getWidth(),
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130 charts[i][j].getHeight(),
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131 type),
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132 charts[i][j].getWidth(),
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133 charts[i][j].getHeight()
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134 ));
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135 }
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136 }
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137 }
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138
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139
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140 /**
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141 * Returns the column count for the grid.
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142 *
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143 * @param count all fields
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144 * @return the column count
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145 */
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146 protected int getRowCount(int count) {
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147 if (count <= 3) {
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148 return 1;
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149 }
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150 else if (count > 3 && count < 9) {
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151 return 2;
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152 }
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153 else {
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154 return 3;
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155 }
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156 }
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157
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158
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159 /**
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160 * Returns the row count for the grid.
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161 *
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162 * @param count all fields
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163 * @return the row count
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164 */
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165 protected int getColumnCount(int count) {
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166 if(count <= 3) {
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167 return count;
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168 }
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169 else if(count > 3 && count < 9) {
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170 return ((count + (count % 2))/getRowCount(count));
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171 }
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172 else {
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173 return (count + (3 - (count % 3))/getRowCount(count));
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174 }
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175 }
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176
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177
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178 /**
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179 * Builds the URL that points to the chart image.
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180 *
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181 * @param width The width of the requested chart.
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182 * @param height The height of the requested chart.
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183 * @param xr Optional x range (used for zooming).
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184 * @param yr Optional y range (used for zooming).
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185 *
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186 * @return the URL to the chart image.
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187 */
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188 protected String getImgUrl(int width, int height, String type) {
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189 Config config = Config.getInstance();
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190
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191 String imgUrl = GWT.getModuleBaseURL();
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192 imgUrl += "chart";
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193 imgUrl += "?uuid=" + collection.identifier();
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194 imgUrl += "&type=" + type;
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195 imgUrl += "&locale=" + config.getLocale();
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196 imgUrl += "&timestamp=" + new Date().getTime();
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197 imgUrl += "&width=" + Integer.toString(width);
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198 imgUrl += "&height=" + Integer.toString(height);
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199
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200 return imgUrl;
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201 }
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202 }
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203 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org