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Tooltip - Add fields to the response needed for SLD rendering when needed #6041

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Tooltip - Add fields to the response needed for SLD rendering when needed #6041

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23 changes: 23 additions & 0 deletions lizmap/modules/lizmap/controllers/features.classic.php
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Original file line number Diff line number Diff line change
Expand Up @@ -105,11 +105,34 @@ public function tooltips()
}
}

// Prepare expressions to send to the Lizmap server plugin
$tooltip = array(
// Get tooltip in HTML
'tooltip' => $template,
);

// Get fields required for SLD rendering i.e. used in QGIS layer renderer
// For example for a categorized symbology based on a field
if (isset($tooltipLayers->{$layerName}->{'displayLayerStyle'})
// TOTO FIX value if lizmap plugin saves a boolean
&& $tooltipLayers->{$layerName}->{'displayLayerStyle'} == 'True'
) {
$usedAttributes = qgisExpressionUtils::evaluateExpressions(
$qgisLayer,
array(
'used_attributes' => "layer_renderer_used_attributes('".$layerId."')",
)
);
if ($usedAttributes
&& property_exists($usedAttributes, 'used_attributes')
&& is_array($usedAttributes->used_attributes)
) {
foreach ($usedAttributes->used_attributes as $field) {
$tooltip[$field] = '[% "'.$field.'" %]';
}
}
}

$data = qgisExpressionUtils::replaceExpressionText(
$qgisLayer,
$tooltip,
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