Class: Kdep::Dashboard::Panel

Inherits:
Object
  • Object
show all
Defined in:
lib/kdep/dashboard/panel.rb

Direct Known Subclasses

HealthPanel, LogPanel, ResourcesPanel, RolloutPanel

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title:, rect:) ⇒ Panel

Returns a new instance of Panel.



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# File 'lib/kdep/dashboard/panel.rb', line 6

def initialize(title:, rect:)
  @title = title
  @rect = rect
  @lines = []
  @scroll_offset = 0
end

Instance Attribute Details

#lines ⇒ Object (readonly)

Returns the value of attribute lines.



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# File 'lib/kdep/dashboard/panel.rb', line 4

def lines
  @lines
end

#rect ⇒ Object (readonly)

Returns the value of attribute rect.



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# File 'lib/kdep/dashboard/panel.rb', line 4

def rect
  @rect
end

#scroll_offset ⇒ Object (readonly)

Returns the value of attribute scroll_offset.



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# File 'lib/kdep/dashboard/panel.rb', line 4

def scroll_offset
  @scroll_offset
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/kdep/dashboard/panel.rb', line 4

def title
  @title
end

Instance Method Details

#add_line(line) ⇒ Object 



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# File 'lib/kdep/dashboard/panel.rb', line 18

def add_line(line)
  @lines << line
end

#render ⇒ Object 



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# File 'lib/kdep/dashboard/panel.rb', line 31

def render
  output = []
  w = @rect.width

  # Title bar
  title_text = " #{@title} "
  bar_width = [w - 2, 0].max
  if title_text.length > bar_width
    title_text = title_text[0, bar_width]
  end
  dashes = bar_width - title_text.length
  left_dashes = dashes / 2
  right_dashes = dashes - left_dashes
  output << "+" + ("-" * left_dashes) + title_text + ("-" * right_dashes) + "+"

  # Content area
  content_height = @rect.height - 2  # minus title and bottom border
  content_width = [w - 4, 0].max  # minus "| " and " |"

  visible = content_lines
  content_height.times do |i|
    line = visible[i] || ""
    # Strip ANSI for length calculation, but keep ANSI in output
    display_len = strip_ansi(line).length
    if display_len > content_width
      line = truncate_with_ansi(line, content_width)
    elsif display_len < content_width
      line = line + (" " * (content_width - display_len))
    end
    output << "| " + line + " |"
  end

  # Bottom border
  output << "+" + ("-" * bar_width) + "+"

  output
end

#scroll_down ⇒ Object 



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# File 'lib/kdep/dashboard/panel.rb', line 26

def scroll_down
  max = [visible_line_count, 0].max
  @scroll_offset = [@scroll_offset + 1, max].min
end

#scroll_up ⇒ Object 



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# File 'lib/kdep/dashboard/panel.rb', line 22

def scroll_up
  @scroll_offset = [@scroll_offset - 1, 0].max
end

#update(lines) ⇒ Object 



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# File 'lib/kdep/dashboard/panel.rb', line 13

def update(lines)
  @lines = lines.dup
  clamp_scroll
end