Module: UI::ResizablePanelBehavior

Included in:
ResizablePanel, ResizablePanelComponent
Defined in:
app/behaviors/ui/resizable_panel_behavior.rb

Overview

UI::ResizablePanelBehavior

Instance Method Summary collapse

Instance Method Details

#merged_panel_data_attributes ⇒ Object

Merge user-provided data attributes with panel data



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# File 'app/behaviors/ui/resizable_panel_behavior.rb', line 33

def merged_panel_data_attributes
  user_data = @attributes&.fetch(:data, {}) || {}
  user_data.merge(panel_data_attributes)
end

#panel_base_classes ⇒ Object

Base CSS classes for the panel Uses min-w-0/min-h-0 and overflow-hidden to allow panels to shrink to 0



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# File 'app/behaviors/ui/resizable_panel_behavior.rb', line 15

def panel_base_classes
  classes = ["relative overflow-hidden min-w-0 min-h-0"]
  classes << @classes if @classes.present?
  classes.join(" ")
end

#panel_data_attributes ⇒ Object

Generate data attributes for the panel



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# File 'app/behaviors/ui/resizable_panel_behavior.rb', line 22

def panel_data_attributes
  attrs = {
    ui__resizable_target: "panel"
  }
  attrs[:default_size] = @default_size if @default_size
  attrs[:min_size] = @min_size if @min_size
  attrs[:max_size] = @max_size if @max_size
  attrs
end

#panel_html_attributes ⇒ Object

Build complete HTML attributes hash for panel



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# File 'app/behaviors/ui/resizable_panel_behavior.rb', line 39

def panel_html_attributes
  base_attrs = @attributes&.except(:data) || {}

  # Use flex-grow for proportional sizing instead of flex-basis percentage
  # This works correctly with min-height containers in vertical layouts
  style_parts = []
  if @default_size
    style_parts << "flex-grow: #{@default_size}"
    style_parts << "flex-shrink: #{@default_size}"
    style_parts << "flex-basis: 0"
  end

  attrs = base_attrs.merge(
    class: panel_base_classes,
    "data-slot": "resizable-panel",
    data: merged_panel_data_attributes
  )

  attrs[:style] = style_parts.join("; ") if style_parts.any?
  attrs
end