Mercurial > hg > batmud > maputils

annotate www/search.js @ 1818:41469a2f3904

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author Matti Hamalainen <ccr@tnsp.org>
date Mon, 30 Oct 2017 03:24:36 +0200
parents d7deea635463
children 4641b8cbf1fc
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1 //
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2 // Frontend map/location search JavaScript functionality
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3 // Written by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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4 // (C) Copyright 2017 Tecnic Software productions (TNSP)
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5 //
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6
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7 var mapServer = "wss://tnsp.org:4200";
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8 var fieldPattern, fieldRes, fieldLog;
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9 var msgLog, mapWS, mapList = [];
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10
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11
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12 function mapAddEventOb(evobj, evtype, evcallback)
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13 {
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14 if (evobj == null || typeof(evobj) == 'undefined')
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15 return;
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16
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17 if (evobj.addEventListener)
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18 evobj.addEventListener(evtype, evcallback, false);
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19 else
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20 if (evobj.attachEvent)
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21 evobj.attachEvent("on"+evtype, evcallback);
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22 else
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23 evobj["on"+evtype] = evcallback;
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24 }
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25
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26
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27 function mapAddEvent(obname, evtype, evcallback)
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28 {
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29 mapAddEventOb(document.getElementById(obname), evtype, evcallback);
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30 }
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31
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32
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33 function mapCapitalize(str)
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34 {
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35 return str.substr(0,1).toUpperCase() + str.substr(1);
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36 }
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37
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38
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39 function mapLog(msg)
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40 {
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41 if (msgLog.length >= 10)
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42 msgLog = msgLog.slice(1, 10);
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43
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44 msgLog.push(msg);
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45
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46 if (fieldLog)
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47 {
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48 fieldLog.innerHTML = msgLog.join("<br>");
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49 }
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50 }
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51
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52
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53 function mapPerformSearch()
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54 {
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55 // Check the search pattern for some sanity before
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56 // submitting to the server .. though we do checks there also.
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57 var tmp = fieldPattern.value.trim();
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58 if (tmp == "")
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59 {
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60 mapLog("Nothing to search for.");
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61 return;
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62 }
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63
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64 if (tmp.length > 40*40)
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65 {
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66 mapLog("Search pattern too large!");
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67 return;
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68 }
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69
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70 // Check which maps are enabled, if any
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71 var searchList = [];
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72 for (var i = 0; i < mapList.length; i++)
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73 {
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74 var res = mapList[i];
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75 var elem = document.getElementById("map_"+ res[0]);
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76 if (elem && elem.checked)
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77 searchList.push(res[0]);
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78 }
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79
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80 if (searchList.length == 0 && mapList.length > 0)
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81 {
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82 mapLog("No maps selected!");
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83 return;
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84 }
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85
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86 // Are we running an old query?
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87 if (mapWS)
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88 {
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89 mapLog("Old query not finished.");
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90 return;
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91 }
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92
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93 // Open a WebSocket connection ..
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94 mapWS = new WebSocket(mapServer);
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95 if (!mapWS)
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96 {
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97 mapLog("Could not create WebSocket connection?");
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98 return;
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99 }
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100
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101 btnSearch.disabled = true;
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102
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103 mapWS.onopen = function()
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104 {
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105 // Web Socket is connected, send data using send()
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106 mapLog("Sending query to server.");
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107 mapWS.send("MAPSEARCH:"+ -1 +":"+ searchList.join(":") +"\n" + fieldPattern.value);
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108 };
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109
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110 // Register events
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111 mapWS.onmessage = function(evt)
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112 {
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113 if (evt.data.substr(0, 6) == "ERROR:")
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114 {
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115 var str = "ERROR! "+ evt.data.substr(6);
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116 mapLog(str);
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117 fieldRes.innerHTML = str;
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118 }
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119 else
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120 if (evt.data.substr(0, 7) == "RESULT:" && evt.data.length >= 9)
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121 {
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122 var results = JSON.parse(evt.data.substr(7));
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123 var str = "";
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124 mapLog("Receiving results.");
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125
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126 if (results)
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127 {
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128 for (var i = 0; i < results.length; i++)
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129 {
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130 var res = results[i];
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131
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132 str += "<div class=\"result\">"+
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133 "<a href=\"http://jeskko.pupunen.net/gmap2/?x="+
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134 res[5] +"&y="+ res[6] +"&zoom=10\">"+
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135 res[3] +", "+ res[4] +" at "+ mapCapitalize(res[2]) +"</a>"+
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136 " <span class=\"glob\">["+ res[5] +", "+ res[6] +" global]</span>"+
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137 " <span class=\"perc\">("+ res[0] +"% match)</span>"+
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138 (res[1] ? " <span class=\"cent\">centered</span>" : "")+
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139 "</div>";
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140 }
1802
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141
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diff changeset
142 if (str.length == 0)
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143 str = "No matches found.";
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144 }
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145 else
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146 str = "ERROR: Could not parse result dataset."
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147
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148 fieldRes.innerHTML = str;
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149 }
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150 else
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parents:
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151 if (evt.data.substr(0, 9) == "PROGRESS:")
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parents:
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152 {
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153 mapLog("Search progress "+ evt.data.substr(9) +"% ..");
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154 }
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parents:
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155 else
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parents:
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156 if (evt.data == "END")
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157 {
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158 mapLog("Server ending communication.");
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159 mapWS.close();
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parents:
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160 }
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parents:
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161 else
ccf488dac4c2 Some prototyping/initial code for the map search client-side stuff, JavaScript part.
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parents:
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162 {
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163 mapLog("Sir! A message for you! "+ evt.data);
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164 }
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parents:
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165 };
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parents:
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166
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167 mapWS.onclose = function()
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168 {
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169 mapWS = null;
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170 btnSearch.disabled = false;
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171 };
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172
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173 mapWS.onerror = function()
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174 {
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175 mapLog("WebSocket error occured.");
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176 };
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177 }
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178
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179
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180 function mapGetData()
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181 {
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182 var tmpWS = new WebSocket(mapServer);
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183 if (!tmpWS)
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184 {
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185 mapLog("Could not create WebSocket connection?");
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186 return;
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187 }
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188
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189 tmpWS.onopen = function()
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190 {
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191 tmpWS.send("GETMAPS");
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192 };
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193
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194 tmpWS.onmessage = function(evt)
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195 {
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196 if (evt.data.substr(0, 6) == "ERROR:")
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197 {
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198 mapLog("ERROR! "+ evt.data.substr(6));
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199 }
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200 else
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201 if (evt.data.substr(0, 5) == "MAPS:" && evt.data.length > 8)
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202 {
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diff changeset
203 var results = JSON.parse(evt.data.substr(5));
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204 mapLog("Receiving map information.");
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diff changeset
205 if (results && Array.isArray(results))
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diff changeset
206 {
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diff changeset
207 mapList = results;
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diff changeset
208 var str = "";
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diff changeset
209 for (var i = 0; i < results.length; i++)
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210 {
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diff changeset
211 var res = results[i];
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diff changeset
212 var id = "map_"+ res[0];
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diff changeset
213 str +=
e65dde84a6a8 Various improvements to the front-end code.
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diff changeset
214 "<input class=\"map\" id=\""+ id +
e65dde84a6a8 Various improvements to the front-end code.
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
215 "\" type=\"checkbox\" checked=\"checked\">"+
e65dde84a6a8 Various improvements to the front-end code.
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diff changeset
216 "<label for=\""+ id +"\">"+ mapCapitalize(res[0]) +"</label>";
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217 }
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218 var elem = document.getElementById("mapList");
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diff changeset
219 elem.innerHTML = str;
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220 }
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diff changeset
221 else
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diff changeset
222 fieldRes.innerHTML = "ERROR!";
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diff changeset
223 }
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diff changeset
224 else
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225 if (evt.data == "END")
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diff changeset
226 {
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diff changeset
227 tmpWS.close();
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228 }
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diff changeset
229 else
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230 {
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231 mapLog("Sir! A message for you! "+ evt.data);
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diff changeset
232 }
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diff changeset
233 };
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234
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235 tmpWS.onclose = function()
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diff changeset
236 {
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diff changeset
237 tmpWS = null;
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diff changeset
238 };
1813
d7deea635463 Cleanups.
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diff changeset
239
d7deea635463 Cleanups.
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diff changeset
240 tmpWS.onerror = function()
d7deea635463 Cleanups.
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diff changeset
241 {
d7deea635463 Cleanups.
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diff changeset
242 mapLog("WebSocket error occured.");
d7deea635463 Cleanups.
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parents: 1807
diff changeset
243 };
1790
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244 }
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245
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diff changeset
246
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247 function mapInitSearch()
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diff changeset
248 {
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diff changeset
249 msgLog = [];
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250 mapGetData();
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251
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252 fieldPattern = document.getElementById("pattern");
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diff changeset
253 fieldRes = document.getElementById("results");
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diff changeset
254 fieldLog = document.getElementById("log");
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diff changeset
255 btnSearch = document.getElementById("btnSearch");
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diff changeset
256
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diff changeset
257 mapAddEventOb(btnSearch, "click", mapPerformSearch);
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diff changeset
258
1818
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diff changeset
259 mapAddEvent("btnClear", "click",
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diff changeset
260 function ()
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diff changeset
261 {
1818
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diff changeset
262 mapLog("Cleared search pattern and results.");
1787
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diff changeset
263 fieldRes.innerHTML = "";
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diff changeset
264 fieldPattern.value = "";
ccf488dac4c2 Some prototyping/initial code for the map search client-side stuff, JavaScript part.
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parents:
diff changeset
265 });
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diff changeset
266
e65dde84a6a8 Various improvements to the front-end code.
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diff changeset
267 mapAddEvent("btnMaps", "click",
e65dde84a6a8 Various improvements to the front-end code.
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diff changeset
268 function ()
e65dde84a6a8 Various improvements to the front-end code.
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diff changeset
269 {
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diff changeset
270 var same = true, first = true;
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diff changeset
271 for (var i = 0; i < mapList.length; i++)
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diff changeset
272 {
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diff changeset
273 var res = mapList[i];
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274 var elem = document.getElementById("map_"+ res[0]);
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275 if (elem)
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276 {
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277 if (first)
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278 same = elem.checked;
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279 else
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280 if (elem.checked != same)
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281 {
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282 same = false;
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283 break;
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284 }
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285 first = false;
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286 }
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287 }
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288
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289 same = !same;
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290
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291 for (var i = 0; i < mapList.length; i++)
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292 {
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293 var res = mapList[i];
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294 var elem = document.getElementById("map_"+ res[0]);
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295 if (elem)
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296 elem.checked = same;
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297 }
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298 });
1787
ccf488dac4c2 Some prototyping/initial code for the map search client-side stuff, JavaScript part.
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parents:
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299 }