Mercurial > hg > batmud > maputils

annotate src/citymap.js @ 2725:7a0ec8693402

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Remove debug logs.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 07 Mar 2024 10:35:05 +0200
parents 8f923c830b19
children b68157126f41
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1 //
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2 // Positioning, tooltip etc utility functions in JavaScript for BatMUD maps
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3 // Programmed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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4 // (C) Copyright 2006-2024 Tecnic Software productions (TNSP)
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5 //
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6 var mapTipData = null;
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7 var mapTipItem = null, mapTipTitle = null, mapTipNames = null, mapTipFreeform;
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8 var mapTipXC = 0, mapTipYC = 0;
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9
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10 var mapElem = null, listElem = null, mapElemPrev = null;
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11 var mapDragEnable = true, mapDragGoing = false;
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12 var mapDragPos = { x: 0, y: 0, mx: 0, my: 0 };
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13 var mapCurrID;
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14
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15
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16 function mapFindElemCoords(elem)
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17 {
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18 var xc = yc = 0;
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19 if (elem.offsetParent)
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20 {
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21 xc = elem.offsetLeft;
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22 yc = elem.offsetTop;
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23 while (elem = elem.offsetParent)
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24 {
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25 xc += elem.offsetLeft;
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26 yc += elem.offsetTop;
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27 }
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28 }
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29
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30 return { x: xc, y: yc, mx: 0, my: 0 };
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31 }
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32
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33
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34 function mapGetWindowSize()
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35 {
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36 var winW = 0, winH = 0;
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37 if (typeof(window.innerWidth) == 'number')
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38 {
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39 // Non-MSIE
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40 winW = window.innerWidth;
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41 winH = window.innerHeight;
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42 }
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43 else
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44 if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight))
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45 {
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46 // MSIE 6+ in 'standards compliant mode'
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47 winW = document.documentElement.clientWidth;
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48 winH = document.documentElement.clientHeight;
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49 }
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50 else
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51 if (document.body && (document.body.clientWidth || document.body.clientHeight))
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52 {
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53 // MSIE 4 compatible
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54 winW = document.body.clientWidth;
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55 winH = document.body.clientHeight;
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56 }
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57
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58 return { w: winW, h: winH };
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59 }
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60
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61
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62 // Add or remove given CSS class to specified element
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63 function mapSetStyle(uid, ustyle, uset)
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64 {
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65 var uelem = document.getElementById(uid);
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66 if (uelem)
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67 {
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68 if (uset)
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69 uelem.classList.add(ustyle);
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70 else
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71 uelem.classList.remove(ustyle);
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72 }
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73 }
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74
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75
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76 // Update the tooltip box
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77 function mapTooltipUpdate(ev)
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78 {
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79 var x = document.all ? (window.event.x + document.body.scrollLeft) : ev.pageX;
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80 var y = document.all ? (window.event.y + document.body.scrollTop) : ev.pageY;
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81 if (mapTipItem != null)
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82 {
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83 const dim = mapGetWindowSize();
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84 var boxW = mapTipItem.clientWidth + 25, boxH = mapTipItem.clientHeight + 25;
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85
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86 if (x + boxW + 15 >= dim.w)
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87 x -= boxW;
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88 else
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89 x += 15;
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90
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91 if (y + boxH + 15 >= dim.h)
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92 y -= boxH;
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93 else
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94 y += 15;
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95
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96 mapTipXC = x;
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97 mapTipYC = y;
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98
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99 mapTipItem.style.left = x + "px";
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100 mapTipItem.style.top = y + "px";
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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 function mapTooltipShow(ev)
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106 {
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107 const eid = ev.target.dataset.id;
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108 mapTipData = document.getElementById("listloc"+ eid);
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109 if (mapTipData != null)
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110 {
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111 mapTipTitle.textContent = mapTipData.dataset.ttTitle;
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112 mapTipNames.textContent = mapTipData.dataset.ttNames;
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113 mapTipFreeform.textContent = mapTipData.dataset.ttFreeform;
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114 }
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115
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116 mapTipItem.style.left = mapTipXC + "px";
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117 mapTipItem.style.top = mapTipYC + "px";
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118 mapTipItem.style.display = "block";
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119 mapTooltipUpdate(ev);
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120 }
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121
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122
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123 function mapTooltipHide(ev)
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124 {
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125 if (mapTipItem)
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126 {
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127 mapTipItem.style.display = "none";
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128 }
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129 }
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130
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131
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132 function mapSetActive(eid, uset)
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133 {
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134 mapSetStyle('maploc'+eid, "locactive", uset);
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135 mapSetStyle('listloc'+eid, "locactive", uset);
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136 }
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137
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138
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139 function mapLocationShow2(ev)
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140 {
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141 const eid = ev.target.dataset.id;
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142
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143 if (mapElemPrev != null) mapSetActive(mapElemPrev, false);
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144 mapSetActive(eid, true);
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145 mapElemPrev = eid;
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146 }
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147
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148
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149 function mapLocationHide(ev)
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150 {
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151 if (mapElemPrev != null) mapSetActive(mapElemPrev, false);
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152 mapElemPrev = null;
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153 mapTooltipHide(ev);
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154 }
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155
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156
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157 function mapLocationShow1(ev)
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158 {
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159 const eid = ev.target.dataset.id;
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160 mapLocationShow2(ev);
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161
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162 mapTooltipHide(ev);
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163 mapTooltipShow(ev);
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164 }
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165
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166
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167 function mapSetMapPosToID(eid)
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168 {
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169 const dim = mapGetWindowSize();
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170 var nelem = document.getElementById('maploc'+eid);
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171 if (nelem)
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172 {
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173 const pos = mapFindElemCoords(nelem);
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174 mapDragPos.x = pos.x - (dim.w / 2);
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175 mapDragPos.y = pos.y - (dim.h / 2);
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176
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177 mapElem.scrollLeft = mapDragPos.x;
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178 mapElem.scrollTop = mapDragPos.y;
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179 }
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180
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181 nelem = document.getElementById('listloc'+eid);
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182 if (nelem)
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183 {
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184 const pos = mapFindElemCoords(nelem);
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185 listElem.scrollTop = pos.y - 10;
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186 }
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187 }
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188
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189
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190 function mapLocationClick(ev)
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191 {
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192 const eid = ev.target.dataset.id;
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193 if (mapCurrID != eid)
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194 {
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195 mapSetStyle('maploc'+mapCurrID, "lochilite", false);
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196 mapSetStyle('listloc'+mapCurrID, "lochilite", false);
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197 }
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198 mapCurrID = eid;
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199
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200 mapSetStyle('maploc'+eid, "lochilite", true);
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201 mapSetStyle('listloc'+eid, "lochilite", true);
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202 mapSetMapPosToID(eid);
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203 }
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204
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205
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206 function mapDragUpHandler(ev)
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207 {
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208 if (mapDragGoing)
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209 {
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210 mapDragGoing = false;
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211 mapElem.style.cursor = "grab";
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212 mapElem.style.removeProperty("user-select");
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213 }
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214 }
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215
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216
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217 function mapDragMoveHandler(ev)
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218 {
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219 mapTooltipUpdate(ev);
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220 if (mapDragGoing)
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221 {
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222 const dx = ev.clientX - mapDragPos.mx;
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223 const dy = ev.clientY - mapDragPos.my;
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224
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225 mapElem.scrollLeft = mapDragPos.x - dx;
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226 mapElem.scrollTop = mapDragPos.y - dy;
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227 }
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228 }
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229
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230
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231 function mapDragStartPan(ev)
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232 {
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233 if (mapDragEnable)
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234 {
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235 mapElem.style.cursor = "grabbing";
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236 mapElem.style.userSelect = "none";
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237
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238 mapDragPos = {
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239 x: mapElem.scrollLeft,
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240 y: mapElem.scrollTop,
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241 mx: ev.clientX,
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242 my: ev.clientY,
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243 };
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244
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245 mapDragGoing = true;
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246 }
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247 }
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248
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249
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250 function mapOnLoad()
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251 {
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252 mapElem = document.getElementById("smap");
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253 listElem = document.getElementById("loclist");
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254
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255 mapElem.style.cursor = "grab";
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256
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257 // Create tooltip div
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258 mapTipItem = document.createElement("div");
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259 mapTipItem.id = "tooltip";
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260 mapTipItem.style.display = "none";
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261 mapTipTitle = document.createElement("h1");
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262 mapTipNames = document.createElement("div");
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263 mapTipNames.className = "names";
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264 mapTipFreeform = document.createElement("div");
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265 mapTipFreeform.className = "freeform";
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266 mapTipItem.appendChild(mapTipTitle);
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267 mapTipItem.appendChild(mapTipNames);
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268 mapTipItem.appendChild(mapTipFreeform);
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269 document.body.appendChild(mapTipItem);
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270
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271 // Add event listeners to locations
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272 var elems = document.getElementsByClassName("loc");
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273 for (let i = 0; i < elems.length; i++)
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274 {
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275 var elem = elems[i];
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276 elem.addEventListener("mouseover", mapTooltipShow);
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277 elem.addEventListener("mouseout", mapTooltipHide);
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278 elem.addEventListener("click", mapLocationClick);
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279 }
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280
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281 // .. and location list items
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282 var elems = document.getElementsByClassName("item");
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283 for (let i = 0; i < elems.length; i++)
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284 {
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285 var elem = elems[i];
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286 elem.addEventListener("mouseover", elem.dataset.info == "true" ? mapLocationShow1 : mapLocationShow2);
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287 elem.addEventListener("mouseout", mapLocationHide);
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288 elem.addEventListener("click", mapLocationClick);
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289 }
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290
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291 // And map navigation / tooltip stuff
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292 mapElem.addEventListener("mousedown", mapDragStartPan);
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293 document.addEventListener("mousemove", mapDragMoveHandler);
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294 document.addEventListener("mouseup", mapDragUpHandler);
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295
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296 // Finally, scroll to position
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297 var slink = window.location.href;
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298 if ((spos = slink.indexOf("#")) >= 0)
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299 {
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300 var eid = unescape(slink.substr(spos + 1).toLowerCase()).trim();
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301 var elem = document.getElementById('maploc'+eid);
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302 if (elem)
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303 {
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304 mapCurrID = eid;
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305
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306 mapSetStyle('maploc'+eid, "lochilite", true);
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307 mapSetStyle('listloc'+eid, "lochilite", true);
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308
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309 setTimeout(function()
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310 {
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311 mapSetMapPosToID(eid);
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312 },
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313 50);
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314 }
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315 }
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316 }