Mercurial > hg > batmud > maputils

annotate tooltip.js @ 1769:57276229a8c8

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Cleanups.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 26 Oct 2017 22:20:25 +0300
parents 31a454a73f8e
children 78dcae610ce3
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1 //
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2 // Tooltip and other utility functions in JavaScript for BatMUD maps
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3 // by Matti 'ccr' Hamalainen (Ggr Pupunen) <ccr@tnsp.org>
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4 //
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5 var myhl = -1;
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6 var mytt = null;
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7 var myx = 0;
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8 var myy = 0;
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9 document.onmousemove = utt;
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10
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11
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12 // Change background style of given element
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13 function shc(uid, ucolor)
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14 {
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15 document.getElementById(uid).style['background'] = ucolor;
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16 }
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17
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18
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19 // Hilite map and list elements of given number
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20 function qh(marker)
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21 {
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22 if (myhl >= 0) qn(myhl);
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23 shc('maploc'+marker, 'white');
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24 shc('listloc'+marker, 'white');
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25 myhl = marker;
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26 }
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27
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28 // Unlite
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29 function qn(marker)
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30 {
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31 shc('maploc'+ marker, 'black');
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32 shc('listloc'+ marker, 'black');
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33 myhl = -1;
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34 htt();
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35 }
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36
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37
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38 // Update the tooltip box
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39 function utt(e)
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40 {
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41 var x = document.all ? (window.event.x + document.body.scrollLeft) : e.pageX;
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42 var y = document.all ? (window.event.y + document.body.scrollTop) : e.pageY;
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43 if (mytt != null)
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44 {
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45 var winW = 0, winH = 0;
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46 var boxW = mytt.clientWidth + 25, boxH = mytt.clientHeight + 25;
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47
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48 if (typeof(window.innerWidth) == 'number')
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49 {
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50 // Non-MSIE
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51 winW = window.innerWidth;
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52 winH = window.innerHeight;
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53 } else
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54 if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight))
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55 {
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56 // MSIE 6+ in 'standards compliant mode'
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57 winW = document.documentElement.clientWidth;
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58 winH = document.documentElement.clientHeight;
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59 } else
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60 if (document.body && (document.body.clientWidth || document.body.clientHeight))
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61 {
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62 // MSIE 4 compatible
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63 winW = document.body.clientWidth;
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64 winH = document.body.clientHeight;
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65 }
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66
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67 if (x + boxW + 15 >= winW)
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68 x -= boxW;
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69 else
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70 x += 15;
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71
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72 if (y + boxH + 15 >= winH)
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73 y -= boxH;
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74 else
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75 y += 15;
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76
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77 myx = x;
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78 myy = y;
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79
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80 mytt.style.left = x + "px";
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81 mytt.style.top = y + "px";
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82 }
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83 }
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84
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85 // Show tooltip
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86 function stt(id)
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87 {
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88 htt();
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89
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90 mytt = document.getElementById("tt"+ id);
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91
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92 mytt.style.left = myx + "px";
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93 mytt.style.top = myy + "px";
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94 mytt.style.display = "block";
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95 }
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96
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97 // Hide tooltip
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98 function htt()
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99 {
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100 if (mytt)
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101 {
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102 mytt.style.display = "none";
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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 // Highlight one location (by index number) during page load
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108 var httID;
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109 var httST = 0;
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110
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111 function httBlink(marker)
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112 {
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113 httST = !httST;
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114 var mcolor = httST ? "white" : "black";
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115 shc("maploc"+ marker, mcolor);
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116 shc("listloc"+ marker, mcolor);
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117 }
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118
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119
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120 function httOnLoad()
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121 {
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122 var hstr = window.location.href;
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123 if (hstr.indexOf("?") >= 0)
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124 {
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125 var name = unescape(hstr.substr(hstr.indexOf("?") + 1).toLowerCase());
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126 httID = setInterval(function (qname) { httBlink(qname); }, 500, name);
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127 }
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128 }