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Document how to select metrics in custom evolution charts. #3008

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anonymous-matomo-user opened this issue Mar 5, 2012 · 5 comments
Closed

Document how to select metrics in custom evolution charts. #3008

anonymous-matomo-user opened this issue Mar 5, 2012 · 5 comments
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Task Indicates an issue is neither a feature nor a bug and it's purely a "technical" change. worksforme The issue cannot be reproduced and things work as intended.

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@anonymous-matomo-user
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I have created a plugin to generate an evolution chart for some custom data. The code is as follows

class Piwik_MultplxAnalytics_Controller extends Piwik_Controller{

function CustomerJourneysGraph(){
$this->GetDateRange();
$view = Piwik_ViewDataTable::factory('graphEvolution');
$view->init( $this->pluginName, __FUNCTION__, 'MultplxAnalytics.GetCustomerJourneys' );
return $this->renderView($view);

}

}

This creates a chart with several lines on it. I would like to be able to turn those lines on and off individually for clarity. I've installed Piwik 1.7, and I know that there's a way of doing it with Piwik 1.7, but after 2 days of examining the codebase, I've not been able to work out how to do it. I think I need to invoke the function Piwik_ViewDataTable_GenerateGraphData_ChartEvolution->addRowPicker(), but I can't work out how to access this from my code, of what to use as its argument.

Please create some documentation for this
Keywords: charts,evolution,picker,documentation
@timo-bes
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timo-bes commented Mar 6, 2012

The graphs provide two mechanisms:

  1. A metrics picker (that appears on all core graphs) to select the available metrics.
  2. A mechanism where external series pickers can hook into. We're still working on this one for a feature called row evolution.

Which of them do you want? The picker inside the graph or toggeling the series from the outside?

@mattab
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mattab commented Mar 6, 2012

I think mechanism 1) Metrics picker
would be the easiest and the feature that plugin developers would re-use.

@anonymous-matomo-user
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I've now modified the code to read

function CustomerJourneysGraph(){
   $this->GetDateRange();
   $shops=array_keys($this->dimensions);
   $view = $this->getLastUnitGraphAcrossPlugins( $this->pluginName,  __FUNCTION__, $shops, $shops, false, 'MultplxAnalytics.GetCustomerJourneys' );
   return $this->renderView($view);

 }

This creates a chart with a series picker, but when I deselect individual lines, nothing happens.

@mattab
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mattab commented Mar 21, 2012

See also another report maybe related? where a user does not know how to fix his code http://forum.piwik.org/read.php?6,87442

@mattab
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mattab commented Mar 11, 2013

we'll review this as well as other aspects of plugins API in next few months.

@anonymous-matomo-user anonymous-matomo-user added this to the Official Piwik Plugins Repository project milestone Jul 8, 2014
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@timo-bes @mattab @anonymous-matomo-user