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44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
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/// <reference path="jquery-1.4.4-vsdoc.js" />
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/// <reference path="jquery.validate.unobtrusive.js" />
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$.validator.addMethod('requiredif',
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function (value, element, parameters) {
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var id = '#' + parameters['dependentproperty'];
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// get the target value (as a string,
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// as that's what actual value will be)
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var targetvalue = parameters['targetvalue'];
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targetvalue =
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(targetvalue == null ? '' : targetvalue).toString();
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// get the actual value of the target control
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// note - this probably needs to cater for more
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// control types, e.g. radios
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var control = $(id);
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var controltype = control.attr('type');
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var actualvalue =
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controltype === 'checkbox' ?
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(control.attr('checked') == "checked" ? "true" : "false") :
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control.val();
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// if the condition is true, reuse the existing
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// required field validator functionality
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if (targetvalue === actualvalue)
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return $.validator.methods.required.call(
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this, value, element, parameters);
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return true;
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}
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);
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$.validator.unobtrusive.adapters.add(
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'requiredif',
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['dependentproperty', 'targetvalue'],
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function (options) {
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options.rules['requiredif'] = {
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dependentproperty: options.params['dependentproperty'],
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targetvalue: options.params['targetvalue']
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};
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options.messages['requiredif'] = options.message;
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});
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