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Canone - Frequently Asked Questions

    General

  1. What's Canone?
    Canone is a web interface to Tango. With Canone you can build your own panels and interact with any installation of Tango.
  2. Is Canone a graphical interface?
    Canone is a fully graphical and automated interface.
    You can select and configure some graphical elements (widgets) and combine them in one or more panels.
  3. What's a widget?
    A widget is a pre-defined graphical objet which is associated with a single attribute and can take several configurations (e.g. background color, size, shape, etc).
  4. What's a panel?
    A panel is a collection of widget + some editable HTML tags.
  5. Architecture

  6. Why HTML autorefresh isn't supported?
    Autorefresh isn't supported becouse it would make uncomfortable any command sent to Tango from Canone. If an autorefresh event appens exactly when you are pressing a button, your click may be lost (a test gave aproximately 25% loss) and even worst you will not be notified if it has been lost or not.
    From version 2.0 some widgets support autorefresh using AJAX.
  7. Why I can't see any panel
    You may be in a group of users which has no privilege to see any panel or the tango-host may be wrong. To check - modify the tango-host you should ask to the administrator who can modify it from the panel construction tool or he can modify a configuration file.
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