/*
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* MultiselectController synchronizes the values of the hidden elements to the
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* SelectOption lists.
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*/
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public with sharing class MultiselectController {
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// SelectOption lists for public consumption
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public SelectOption[] leftOptions { get; set; }
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public SelectOption[] rightOptions { get; set; }
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// Parse &-separated values and labels from value and
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// put them in option
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private void setOptions(SelectOption[] options, String value) {
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options.clear();
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String[] parts = value.split('&');
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for (Integer i=0; i<parts.size()/2; i++) {
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options.add(new SelectOption(EncodingUtil.urlDecode(parts[i*2], 'UTF-8'),
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EncodingUtil.urlDecode(parts[(i*2)+1], 'UTF-8')));
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}
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}
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// Backing for hidden text field containing the options from the
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// left list
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public String leftOptionsHidden { get; set {
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leftOptionsHidden = value;
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setOptions(leftOptions, value);
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}
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}
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// Backing for hidden text field containing the options from the
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// right list
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public String rightOptionsHidden { get; set {
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rightOptionsHidden = value;
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setOptions(rightOptions, value);
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}
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}
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}
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