Traditional topic panel
Topic panels are used to view topics in Wandora. Traditional topic panel is the default topic panel and views all information of a single topic at a time. Traditional topic panel's visualization is based on grouped text fields and tables. Next image views an example of the traditional topic panel.
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Activating the traditional topic panel
As the traditional topic panel is the default visualization of a topic, Wandora user don't need to perform any explicit actions to open a topic in traditional topic panel. Double clicking a topic creates automatically a traditional topic panel if no topic panel is not open already.
If the user needs to explicitly activate the traditional topic panel, the user can choose menu option View > Add topic panel > Traditional topic panel. The user can use several traditional topic panels in Wandora.
To close open traditional topic panel the user can left mouse click the close gadget on the top right corner of the traditional topic panel. Close gadget is marked with an icon that looks like an X.
Viewing and editing a topic in the traditional topic panel
Traditional topic panel views all elements of a topic on a single page. This single page contains field areas for topic identifiers, base name, variant names, classes, occurrences, associations and instances. Each field area is titled with elements type. For example, all instances of a topic locate in Instances area. If topic has no instances, the area is empty.
Base name, subject locator and variant name fields in the traditional topic panel are directly editable while all others are only selectable. Selectable fields and tables are indirectly editable i.e. the user has to open a special editor to edit the property. For example, to edit an association, the user has to select the association first by left mouse clicking the association row, and then right mouse click the selection, and choose context menu option Modify association.
In general, traditional topic panel views classes, instances and associations using topic tables discussed more detailed in Working with topic tables chapter. Subject identifiers are viewed using a simple URI table while occurrences are string tables.
Hiding topic properties
After selecting Traditional topic panel, user may hide any fields in it. For example, user may hide occurrences by selecting menu option View > Options > Configure Traditinal topic panel w ... > View occurrences. The eye icon in front of the menu option indicates the current visibility status of the element. When eye is closed, Traditional topic panel hides the element. Selecting the view menu option again toggles the visibility of the element. Selecting View > Options > Configure Traditinal topic panel w ... > View all sets all panel elements visible. Selecting View > Options > Configure Traditinal topic panel w ... > Hide all hides all panel elements except basename and subject locator. Basename and subject locator fields are always visible. If user has several Traditional topic panels open, each panel has it's own options.
Previewing subject locator
Traditional topic panel can view a simple preview for certain subject locator types. At the moment Wandora resolves subject locator's type using URI's file suffix. For example, if subject locator ends with a file suffix jpg, the URI resolves an JPG image and Wandora views a thumbnail of the image above subject locator field. As thumbnail creation doesn't cover all content types and thumbnail creation requires some extra computing, the thumbnail feature is disabled by default. To enable thumbnail creation choose menu option View > Options > Configure Traditinal topic panel w ... > View subject locators.
Many UI elements of the Traditional topic panel feature a context menu. Context menus are used to edit the current topic in panel. Context menu is opened by right mouse clicking the UI element. Next image views most important pop-up menus of the Traditional topic panel. Blue arrows point the UI elements which the menu originates.
