my view:
<td>
<div id="event_category_select">
<%= render :partial => "event_category_select" %>
</div>
<br/>
<div id="event_category_text_field">
<%= render :partial => "event_category_text_field" %>
</div>
</td>
<td>
<div id="event_description_select">
<%= render :partial => "event_description_select" %>
</div>
<br/>
<div id="event_description_text_field">
<%= render :partial => "event_description_text_field" %>
</div>
</td>
_event_category_select.html.erb:
<%= select_tag :select_category, options_for_select(@categories,
selected = @selected_category),
{:onchange => remote_function(:url => {:action
=> :select_category}, :with => "select_category")} %>
_event_category_text_field.html.erb:
<%= text_field_tag :category, @selected_category, :size => 30 %>
_event_description_select.html.erb:
<%= select_tag :select_description, options_for_select(@descriptions,
selected = @selected_description),
{:onchange => remote_function(:url => {:action
=> :select_description}, :with => "select_description")} %>
_event_description_text_field.html.erb:
<%= text_field_tag :description, @selected_description, :size => 60 %>
controller:
def select_category
@selected_category = params[:value]
search_hash = {:select => "DISTINCT description"}
search_hash[:conditions] = ["category = ?", @selected_category] if
@selected_category != ""
@descriptions = ["", *Event.find(:all,
search_hash).map(&:description)]
@selected_description = ""
render :update do |page|
page.replace_html "event_category_text_field", :partial =>
"event_category_text_field"
page.replace_html "event_description_select", :partial =>
"event_description_select"
end
end
def select_description
@selected_description = params[:value]
@categories = ["", *Event.find(:all, :select => "DISTINCT
category").map(&:category)]
if @selected_description != ""
selected_event = Event.find(:first, :conditions => ["description
= ?", @selected_description])
@selected_category = selected_event.category if selected_event
else
@selected_category = ""
end
render :update do |page|
page.replace_html "event_category_select", :partial =>
"event_category_select"
page.replace_html "event_description_text_field", :partial =>
"event_description_text_field"
end
end
With ie 7.0 everything's fine, but with firefox 3.0:
When I select a category, the two ids are replaced. After that, I want
to select a description, but it doesn't send a request. However,
selecting another category does. The same the other way round, i.e.
when I begin with selecting a description.
The source code is of no avail, because with both browsers it never
changes whatever I select.
Any idea?
Thanks
Luma
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