chaco.tools.tool_states module¶
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class
chaco.tools.tool_states.GroupedToolState(states)¶ Bases:
chaco.tools.tool_states.ToolState-
apply(tool)¶
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revert(tool)¶
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class
chaco.tools.tool_states.PanState(prev, next)¶ Bases:
chaco.tools.tool_states.ToolState-
apply(tool)¶
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revert(tool)¶
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class
chaco.tools.tool_states.SelectedZoomState(prev, next)¶ Bases:
chaco.tools.tool_states.ZoomState-
apply(zoom_tool)¶
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revert(zoom_tool)¶
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class
chaco.tools.tool_states.ToolState(prev, next)¶ Bases:
traits.has_traits.HasTraits-
apply(tool)¶
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revert(tool)¶
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class
chaco.tools.tool_states.ZoomState(prev, next)¶ Bases:
chaco.tools.tool_states.ToolStateA zoom state which can be applied and reverted.
This class exists so that subclasses can introduce new types of events which can be applied and reverted in the same manner. This greatly eases the code for managing history
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apply(zoom_tool)¶
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revert(zoom_tool)¶
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