Package net.ontopia.topicmaps.viz

Class DesktopContext

java.lang.Object
net.ontopia.topicmaps.viz.ApplicationContext
net.ontopia.topicmaps.viz.DesktopContext
All Implemented Interfaces:
ApplicationContextIF
public class DesktopContext extends ApplicationContext
EXPERIMENTAL: Information for the VizDesktop version of Vizigator

  • Constructor Details

    • DesktopContext

      public DesktopContext(VizDesktop aDesktop)

  • Method Details

    • goToTopic

      public void goToTopic(TopicIF topic)
      Description copied from interface: ApplicationContextIF
      Set the focus of the map to the specified topic
      Parameters:
      topic - Topic to set as the central focus

    • isApplet

      public boolean isApplet()
      Description copied from interface: ApplicationContextIF
      Is this an applet?
      Returns:
      boolean indicating if this context is an applet

    • openPropertiesURL

      public void openPropertiesURL(String aUrl)
      Description copied from interface: ApplicationContextIF
      Opens the supplied url string in a browser window. Which window is used is defined by the 'propTarget' applet parameter. Does nothing for non applet context.
      Parameters:
      aUrl - String representing the target url

    • setStartTopic

      public void setStartTopic(TopicIF aTopic)
      Description copied from interface: ApplicationContextIF
      Assign the starting topic of the map to display.
      Parameters:
      aTopic - Start Topic

    • getTopicForLocator

      public TopicIF getTopicForLocator(LocatorIF aLocator, TopicMapIF topicmap)
      Description copied from interface: ApplicationContextIF
      Returns the topic with the given subject identifier, if any.
      Parameters:
      aLocator - the subject identifier
      topicmap - the topic map to look up in
      Returns:
      topic with given subject identifier (or null if none)

    • loadTopic

      public void loadTopic(TopicIF aTopic)
      Description copied from interface: ApplicationContextIF
      Get a topic from the associated store
      Parameters:
      aTopic - to read from the store

    • focusNode

      public void focusNode(TMAbstractNode aNode)
      Description copied from interface: ApplicationContextIF
      Set the node as the focus of the map
      Parameters:
      aNode - node to focus on

    • setScopingTopic

      public void setScopingTopic(TopicIF aScope)
      Description copied from interface: ApplicationContextIF
      Set the scoping topic for the map
      Parameters:
      aScope - topic to set scope

    • getDefaultScopingTopic

      public TopicIF getDefaultScopingTopic(TopicMapIF aTopicmap)
      Description copied from interface: ApplicationContextIF
      Get the default scoping topic
      Parameters:
      aTopicmap - map that contains the topic
      Returns:
      default scoping topic

    • getStartTopic

      public TopicIF getStartTopic(TopicMapIF aTopicmap)
      Description copied from interface: ApplicationContextIF
      Return the start topic defined on the map
      Parameters:
      aTopicmap - map containing topic
      Returns:
      start topic

    • getDefaultLocality

      public int getDefaultLocality()
      Description copied from interface: ApplicationContextIF
      Get the default locality for the application. This is usually 1
      Returns:
      the default locality

    • getMaxLocality

      public int getMaxLocality()
      Description copied from interface: ApplicationContextIF
      Returns the maximum number of nodes (locality) to display linked to the central node. Large numbers (> 3) can have a significant performance impact when used, especially for large maps
      Returns:
      the maximum allowed locality

    • getEnabledItemIds

      public ParsedMenuFile getEnabledItemIds()
      Description copied from interface: ApplicationContextIF
      Return the menu of enabled items
      Returns:
      menu containing enabled items

    • getAssocFrame

      public TypesConfigFrame getAssocFrame()
      Description copied from interface: ApplicationContextIF
      Display the configuration frame for associations (edges)
      Returns:
      The association configuration frame

    • getTopicFrame

      public TypesConfigFrame getTopicFrame()
      Description copied from interface: ApplicationContextIF
      Display the configuration frame for topics
      Returns:
      the topic configuration frame