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The gxp.plugins module contains components and classes that add functionality to other classes. There are two groups of special plugins that plug into gxp.Viewer:

  • gxp.plugins.Tool and its subclasses are viewer tools. These usually consist of one ore more Ext.Action actions that the viewer adds to a toolbar or context menu, and output in an Ext.Container that will be added to the viewer’s layout.
  • gxp.plugins.LayerSource and its subclasses add support for specific layer sources to the viewer, and allows it to build layers from a simple configuration object.