Refactor addVo to follow skeleton_TA structure #108
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As chartSeries is now a wrapper for chart_Series and chartSeries.chob is deprecated, code of add* functions that manipulate chob and chobTA objects breaks. So add* functions are refactored to use skeleton_TA structure to coordinate with chart_Series called by chartSeries. In addVo.R, however, quantmod::chartVo is untouched. A new chartVo is passed to lenv environment in addVo according to skeleton_TA structure. quantmod::chartVo will be deprecated.
When subset is specified in chartSeries, addVo() doesn't apply correct subset volume to the chart. To fix this issue, subset setting is applied to chartVo function in chartSeries and pass subset volume to the environment. y-axis limit of the frame is expanded to reserve space from the top.
When reChart is called to draw subset volume, bar colors are wrong and subset functionality fails. The volume chart starts from the first day of the series no matter what subset period is specified. Pull out the panel settings from chartVo and wrap in expression.
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Since chartSeries is now a wrapper for chart_Series and chartSeries.chob
is deprecated, code of add* functions that manipulate chob and chobTA
objects breaks. So add* functions are refactored to use skeleton_TA
structure to coordinate with chart_Series called by chartSeries.
In addVo.R, however, quantmod::chartVo is untouched. A new chartVo is
passed to lenv inside addVo function according to skeleton_TA structure.
quantmod::chartVo will be deprecated. The structure is described in #96.