I just whipped this up and figure I'd crowd-source the
debugging. :) It's a name-one that stores the completions locally
rather than going off to the server. It slots nicely between select-
one and name-one. It works for me, but I haven't tried to break it
yet. Suggestions for a better name are also welcome.
the DRYML:
<def tag="name-one-local" attrs="options, min-chars, nil-value">
<%
options ||= begin
conditions =
ActiveRecord::Associations::BelongsToAssociation.new(this_parent,
this_field_reflection).conditions
this_field_reflection.klass.all(:conditions => conditions, :limit
=> limit).select {|x| can_view?(x)}
end
min_chars ||= 0
value = name(:no_wrapper => true, :if_present => true)
-%>
<div class="name-one-local">
<ul class="name-one-local-data" style="display:none;">
<repeat with="&options">
<li><%= this.to_s %></li>
</repeat>
</ul>
<input type="text" name="#{param_name_for_this}"
class="local-autocompleter #{type_and_field._?.dasherize}
#{css_data :min_chars, min_chars} #{'nil-value' if value==''}"
value="#{value=='' ? nil_value : value}" merge-attrs/>
<div class="completions-popup" style="display:none;"></div>
</div>
</def>
the javascript:
LocalAutocompleteBehavior = Behavior.create({
initialize : function() {
this.minChars = parseInt(Hobo.getClassData(this.element, "min-
chars"));
var data = this.element.previous(".name-one-local-
data").childElements().map(function(el) {return el.innerHTML;});
this.autocompleter = new Autocompleter.Local(this.element,
this.element.next('.completions-popup'),
data,
{minChars: this.minChars, afterUpdateElement:
this.afterUpdateElement});
},
onfocus: function() {
if(this.element.hasClassName("nil-value")) {
this.element.value = '';
this.element.removeClassName("nil-value");
}
if(this.minChars==0) {
this.autocompleter.activate();
}
},
afterUpdateElement: function(input, li) {
input.fire("rapid:autocomplete-assigned");
}
});
Event.addBehavior({
'.local-autocompleter' : LocalAutocompleteBehavior()
});
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