Custom autocomplete multi select in MacroBrowser

Hi,

I'm currently working on a macro plugin for Confluence. As part of this, I need to write some custom autocomplete parameter fields for the MacroBrowser. I have managed to create a Select2 field with a custom AJAX call to dynamically fetch options. Selecting and saving the chosen parameters works just fine, but if the macro is edited on a later date, chosen options are not displayed in the select field. They are selected however, as they cannot be selected again and will remain set, if new options are added.

This is the code I have thus far (using labels as an example):

var jsOverrides = {
"fields" : {
"string" : function(params, options){

if (params && params.name != "labels") {
return AJS.MacroBrowser.ParameterFields["string"](params, options);
}

var paramDiv = $(Confluence.Templates.MacroBrowser.macroParameter());
var input = $("input", paramDiv);
var field = AJS.MacroBrowser.Field(paramDiv, input, options);

field.input.auiSelect2({
minimumInputLength: 1,
multiple: true,
ajax: {
url: AJS.params.baseUrl + "/labels/autocompletelabel.action",
dataType: 'json',
type: 'GET',
data: function(query) {
return {
query: query,
maxResults: 3
}
},
results: function(data, params) {

var results = [];
var matches = data.contentNameMatches;
for (var i = 0; i < matches[0].length; ++i) {
var match = matches[0][i];
results.push({
id: match.name,
text: match.name
});
}
return {
results: results
};
}
}
});

return field;
}
}
};

AJS.MacroBrowser.setMacroJsOverride("autocomplete-test", jsOverrides);

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