Mercurial > repos > jankanis > blast2html
annotate NCBI Blast reference example_files/toggle.js @ 103:86bcf17f50ef
improve warning messages
author | Jan Kanis <jan.code@jankanis.nl> |
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date | Tue, 01 Jul 2014 17:18:09 +0200 |
parents | 344cd76f6fd2 |
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2 Toggle = function(node) { |
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3 this.init(node); |
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4 } |
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5 |
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6 /** |
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7 * @class Creates a new Toggle class with "node" as src |
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8 * @return Reutrns a new toggle instance |
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9 */ |
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10 Toggle.prototype = { |
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11 |
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12 init: function(node) { |
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13 |
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14 // Subclass instance? |
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15 if (typeof(arguments[0]) == 'undefined') return; |
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16 |
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17 var oThis = this; |
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18 this.node = node; |
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19 |
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20 // Initialize "showing" variable based on presence of "showing" or |
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21 // "hiding" class. If neither, then showing. Be sure class is |
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22 // set to reflect variable value |
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23 node.showing = |
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24 utils.hasClass(node, "showing") || !utils.hasClass(node, "hiding"); |
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25 utils.addClass(node, node.showing ? "showing" : "hiding"); |
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26 |
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27 // Set notifier for node |
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28 utils.addEvent(node, "click", function(e) { |
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29 e = e || window.event; |
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30 utils.preventDefault(e); |
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31 |
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32 var theNode = utils.getTargetObj(e); |
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33 |
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34 // Send message to global notifier, if one exists |
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35 if (typeof(Notifier) != 'undefined') { |
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36 var notifier = Notifier.getInstance(); |
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37 // Notify before change |
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38 notifier.Notify(oThis, "change:" + theNode.id, !this.showing); |
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39 } |
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40 |
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41 // Hide or show based on current state |
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42 if (this.showing) { |
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43 oThis.hide(); |
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44 } else { |
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45 oThis.show(); |
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46 } |
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47 |
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48 }, false); |
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49 |
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50 utils.addEvent(node, "selectstart", function(e) { utils.preventDefault(e); }, true); |
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51 utils.addEvent(node, "drag", function(e) { utils.preventDefault(e); }, true); |
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52 |
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53 // Cache "this" for ID lookup |
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54 if (!node.id) { |
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55 node.id = utils.createNewId(); |
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56 } |
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57 var m = Toggle.getSrcs(); |
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58 m[node.id] = this; |
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59 }, |
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60 |
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61 // Hide targets, and set self to hiding. |
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62 hide: function() { |
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63 var oThis = this; |
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64 |
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65 oThis.setHiding(); |
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66 if (oThis.listeners) { |
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67 forEach(oThis.listeners, function(l) { |
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68 oThis.hideTarget(l); |
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69 }); |
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70 } |
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71 }, |
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72 |
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73 // Show targets, and set self to showing. |
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74 show: function() { |
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75 var oThis = this; |
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76 |
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77 oThis.setShowing(); |
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78 if (oThis.listeners) { |
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79 forEach(oThis.listeners, function(l) { |
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80 oThis.showTarget(l); |
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81 }); |
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82 } |
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83 }, |
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84 |
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85 // Set own presentation to "showing" |
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86 setShowing: function() { |
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87 utils.addClass(this.node, "showing"); |
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88 utils.removeClass(this.node, "hiding"); |
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89 this.node.showing = true; |
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90 }, |
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91 |
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92 // Set own presentation to "hiding" |
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93 setHiding: function() { |
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94 utils.addClass(this.node, "hiding"); |
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95 utils.removeClass(this.node, "showing"); |
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96 this.node.showing = false; |
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97 }, |
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98 |
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99 // Show a target |
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100 showTarget: function(l) { |
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101 utils.addClass(l, "shown"); |
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102 utils.removeClass(l, "hidden"); |
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103 }, |
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104 |
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105 // Hide a target |
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106 hideTarget: function(l) { |
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107 utils.addClass(l, "hidden"); |
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108 utils.removeClass(l, "shown"); |
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109 }, |
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110 |
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111 // Add a target to this toggle. |
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112 add: function(target) { |
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113 if (!this.listeners) { |
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114 this.listeners = new Array(); |
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115 } |
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116 this.listeners[this.listeners.length] = target; |
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117 |
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118 if (utils.hasClass(target, "hidden")) { |
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119 this.setHiding(); |
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120 this.node.showing = false; |
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121 } else { |
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122 this.setShowing(); |
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123 this.node.showing = true; |
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124 } |
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125 } |
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126 } |
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127 |
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128 // Show/hide a "target" (a node controlled by the node with the given ID) |
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129 Toggle.addTarget = function(srcid, target) { |
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130 var tn = Toggle.findOrMake(srcid); |
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131 tn.add(target); |
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132 } |
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133 |
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134 // Assoc array of srcs indexed by their ids |
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135 Toggle.getSrcs = function() { |
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136 if (!Toggle.srcs) { |
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137 Toggle.srcs = new Object(); |
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138 } |
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139 return Toggle.srcs; |
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140 } |
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141 |
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142 // Find or make toggle for given id |
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143 Toggle.findOrMake = function(srcid) { |
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144 var ts = Toggle.getSrcs(); |
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145 var tn = ts[srcid]; |
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146 if (!tn) { |
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147 tn = new Toggle($(srcid)); |
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148 } |
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149 return tn; |
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150 } |
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151 |
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152 // This dispatches the call to Toggle.onload, which may be |
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153 // overridden by instances (subclasses) |
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154 Toggle._onload = function() { |
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155 Toggle.onload(); |
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156 } |
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157 |
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158 // A toggle source node controls other nodes that reference it by id using |
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159 // their toggle= attribute. A node may be both a toggle source and destination. |
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160 Toggle.onload = function() { |
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161 //alert("toggle start"); |
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162 if(utils.hasClass(document.body,"noToggleCheck")) return; |
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163 |
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164 shnodes = jQuery("[toggle]"); |
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165 // Now hook up dst nodes |
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166 forEach(shnodes, function(node) { |
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167 // Link toggle node to its source |
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168 var srcid = node.getAttribute("toggle"); |
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169 Toggle.addTarget(srcid, node); |
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170 }); |
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171 //alert("toggle 2 end"); |
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172 } |
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173 |
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174 utils.addEvent(window, 'load', Toggle._onload, false); |