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annotate website/issues/html/help_controls.js @ 5676:e70885fe72a4

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issue2551026: template variable not defined even though it is. Fix issue where variables defined in TAL expression are not available in the scope of the definition. (Tom Ekberg (tekberg))
author John Rouillard <rouilj@ieee.org>
date Tue, 26 Mar 2019 17:31:28 -0400
parents 536344835432
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 // initial values for either Nosy, Superseder, Topic and Waiting On,
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2 // depending on which has called
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3 original_field = form[field].value;
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4
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5 // Some browsers (ok, IE) don't define the "undefined" variable.
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6 undefined = document.geez_IE_is_really_friggin_annoying;
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7
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8 function trim(value) {
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9 var temp = value;
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10 var obj = /^(\s*)([\W\w]*)(\b\s*$)/;
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11 if (obj.test(temp)) { temp = temp.replace(obj, '$2'); }
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12 var obj = / /g;
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13 while (temp.match(obj)) { temp = temp.replace(obj, " "); }
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14 return temp;
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15 }
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16
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17 function determineList() {
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18 // generate a comma-separated list of the checked items
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19 var list = new String('');
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20
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21 // either a checkbox object or an array of checkboxes
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22 var check = document.frm_help.check;
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23
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24 if ((check.length == undefined) && (check.checked != undefined)) {
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25 // only one checkbox on page
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26 if (check.checked) {
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27 list = check.value;
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28 }
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29 } else {
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30 // array of checkboxes
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31 for (box=0; box < check.length; box++) {
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32 if (check[box].checked) {
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33 if (list.length == 0) {
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34 separator = '';
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35 }
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36 else {
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37 separator = ',';
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38 }
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39 // we used to use an Array and push / join, but IE5.0 sux
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40 list = list + separator + check[box].value;
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41 }
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42 }
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43 }
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44 return list;
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45 }
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46
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47 /**
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48 * update the field in the opening window;
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49 * the text_field variable must be set in the calling page
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50 */
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51 function updateOpener() {
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52 // write back to opener window
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53 if (document.frm_help.check==undefined) { return; }
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54 form[field].value = text_field.value;
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55
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56 /* trigger change event on the field we changed */
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57 if ("createEvent" in document) {
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58 var evt = document.createEvent("HTMLEvents");
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59 evt.initEvent("change", true, true);
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60 form[field].dispatchEvent(evt);
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61 }
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62 else
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63 form[field].fireEvent("onchange");
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64 }
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65
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66 function updateList() {
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67 // write back to opener window
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68 if (document.frm_help.check==undefined) { return; }
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69 form[field].value = determineList();
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70
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71 /* trigger change event on the field we changed */
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72 if ("createEvent" in document) {
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73 var evt = document.createEvent("HTMLEvents");
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74 evt.initEvent("change", true, true);
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75 form[field].dispatchEvent(evt);
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76 }
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77 else
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78 form[field].fireEvent("onchange");
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79 }
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80
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81 function updatePreview() {
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82 // update the preview box
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83 if (document.frm_help.check==undefined) { return; }
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84 writePreview(determineList());
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85 }
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86
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87 function clearList() {
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88 // uncheck all checkboxes
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89 if (document.frm_help.check==undefined) { return; }
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90 for (box=0; box < document.frm_help.check.length; box++) {
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91 document.frm_help.check[box].checked = false;
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92 }
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93 }
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94
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95 function reviseList_framed(form, textfield) {
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96 // update the checkboxes based on the preview field
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97 // alert('reviseList_framed')
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98 // alert(form)
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99 if (form.check==undefined)
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100 return;
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101 // alert(textfield)
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102 var to_check;
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103 var list = textfield.value.split(",");
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104 if (form.check.length==undefined) {
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105 check = form.check;
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106 to_check = false;
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107 for (val in list) {
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108 if (check.value==trim(list[val])) {
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109 to_check = true;
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110 break;
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111 }
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112 }
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113 check.checked = to_check;
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114 } else {
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115 for (box=0; box < form.check.length; box++) {
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116 check = form.check[box];
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117 to_check = false;
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118 for (val in list) {
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119 if (check.value==trim(list[val])) {
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120 to_check = true;
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121 break;
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122 }
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123 }
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124 check.checked = to_check;
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125 }
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126 }
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127 }
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128
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129 function reviseList(vals) {
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130 // update the checkboxes based on the preview field
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131 if (document.frm_help.check==undefined) { return; }
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132 var to_check;
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133 var list = vals.split(",");
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134 if (document.frm_help.check.length==undefined) {
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135 check = document.frm_help.check;
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136 to_check = false;
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137 for (val in list) {
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138 if (check.value==trim(list[val])) {
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139 to_check = true;
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140 break;
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141 }
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142 }
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143 check.checked = to_check;
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144 } else {
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145 for (box=0; box < document.frm_help.check.length; box++) {
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146 check = document.frm_help.check[box];
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147 to_check = false;
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148 for (val in list) {
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149 if (check.value==trim(list[val])) {
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150 to_check = true;
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151 break;
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152 }
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153 }
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154 check.checked = to_check;
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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 function resetList() {
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160 // reset preview and check boxes to initial values
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161 if (document.frm_help.check==undefined) { return; }
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162 writePreview(original_field);
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163 reviseList(original_field);
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164 }
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165
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166 function writePreview(val) {
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167 // writes a value to the text_preview
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168 document.frm_help.text_preview.value = val;
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169 }
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170
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171 function focusField(name) {
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172 for(i=0; i < document.forms.length; ++i) {
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173 var obj = document.forms[i].elements[name];
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174 if (obj && obj.focus) {obj.focus();}
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175 }
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176 }
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177
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178 function selectField(name) {
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179 for(i=0; i < document.forms.length; ++i) {
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180 var obj = document.forms[i].elements[name];
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181 if (obj && obj.focus){obj.focus();}
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182 if (obj && obj.select){obj.select();}
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183 }
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184 }
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185
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186 function checkRequiredFields(fields)
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187 {
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188 var bonk='';
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189 var res='';
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190 var argv = checkRequiredFields.arguments;
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191 var argc = argv.length;
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192 var input = '';
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193 var val='';
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194
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195 for (var i=0; i < argc; i++) {
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196 fi = argv[i];
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197 input = document.getElementById(fi);
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198 if (input) {
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199 val = input.value
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200 if (val == '' || val == '-1' || val == -1) {
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201 if (res == '') {
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202 res = fi;
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203 bonk = input;
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204 } else {
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205 res += ', '+fi;
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206 }
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207 }
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208 } else {
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209 alert('Field with id='+fi+' not found!')
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210 }
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211 }
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212 if (res == '') {
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213 return submit_once();
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214 } else {
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215 alert('Missing value here ('+res+')!');
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216 if (window.event && window.event.returnvalue) {
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217 event.returnValue = 0; // work-around for IE
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218 }
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219 bonk.focus();
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220 return false;
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221 }
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222 }
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223
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224 /**
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225 * seeks the given value (2nd argument)
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226 * in the value of the given input element (1st argument),
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227 * which is considered a list of values, separated by commas
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228 */
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229 function has_value(input, val)
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230 {
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231 var actval = input.value
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232 var arr = feld.value.split(',');
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233 var max = arr.length;
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234 for (i=0;i<max;i++) {
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235 if (trim(arr[i]) == val) {
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236 return true
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237 }
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238 }
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239 return false
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240 }
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241
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242 /**
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243 * Switch Value:
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244 * change the value of the given input field (might be of type text or hidden),
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245 * adding or removing the value of the given checkbox field (might be a radio
c2d0d3e9099d svn repository setup
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diff changeset
246 * button as well)
c2d0d3e9099d svn repository setup
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247 *
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248 * This function doesn't care whether or not the checkboxes of all values of
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249 * interest are present; but of course it doesn't have total control of the
c2d0d3e9099d svn repository setup
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250 * text field.
c2d0d3e9099d svn repository setup
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diff changeset
251 */
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diff changeset
252 function switch_val(text, check)
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diff changeset
253 {
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254 var switched_val = check.value
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255 var arr = text.value.split(',')
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256 var max = arr.length
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diff changeset
257 if (check.checked) {
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258 for (i=0; i<max; i++) {
c2d0d3e9099d svn repository setup
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diff changeset
259 if (trim(arr[i]) == switched_val) {
c2d0d3e9099d svn repository setup
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diff changeset
260 return
c2d0d3e9099d svn repository setup
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261 }
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262 }
c2d0d3e9099d svn repository setup
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diff changeset
263 if (text.value)
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264 text.value = text.value+','+switched_val
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diff changeset
265 else
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diff changeset
266 text.value = switched_val
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267 } else {
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268 var neu = ''
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269 var changed = false
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270 for (i=0; i<max; i++) {
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271 if (trim(arr[i]) == switched_val) {
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272 changed=true
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273 } else {
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diff changeset
274 neu = neu+','+trim(arr[i])
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275 }
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276 }
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diff changeset
277 if (changed) {
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278 text.value = neu.substr(1)
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279 }
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280 }
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281 }
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282
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283 /**
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284 * append the given value (2nd argument) to an input field
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285 * (1st argument) which contains comma-separated values;
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diff changeset
286 * see --> remove_val()
c2d0d3e9099d svn repository setup
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287 *
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288 * This will work nicely even for batched lists
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289 */
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290 function append_val(name, val)
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diff changeset
291 {
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diff changeset
292 var feld = document.itemSynopsis[name];
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293 var actval = feld.value;
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294 if (actval == '') {
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diff changeset
295 feld.value = val
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diff changeset
296 } else {
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diff changeset
297 var arr = feld.value.split(',');
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298 var max = arr.length;
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299 for (i=0;i<max;i++) {
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300 if (trim(arr[i]) == val) {
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301 return
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302 }
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303 }
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304 feld.value = actval+','+val
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305 }
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306 }
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307
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308 /**
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309 * remove the given value (2nd argument) from the comma-separated values
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310 * of the given input element (1st argument); see --> append_val()
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311 */
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312 function remove_val(name, val)
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313 {
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314 var feld = document.itemSynopsis[name];
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315 var actval = feld.value;
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316 var changed=false;
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317 if (actval == '') {
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318 return
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319 } else {
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320 var arr = feld.value.split(',');
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321 var max = arr.length;
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322 var neu = ''
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323 for (i=0;i<max;i++) {
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324 if (trim(arr[i]) == val) {
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325 changed=true
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326 } else {
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327 neu = neu+','+trim(arr[i])
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328 }
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329 }
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330 if (changed) {
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331 feld.value = neu.substr(1)
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332 }
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333 }
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334 }
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335
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336 /**
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337 * give the focus to the element given by id
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338 */
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339 function focus2id(name)
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340 {
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341 document.getElementById(name).focus();
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342 }
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