Class ButtonBorder.ButtonScheme

java.lang.Object
org.eclipse.draw2d.SchemeBorder.Scheme
org.eclipse.draw2d.ButtonBorder.ButtonScheme
Enclosing class:
ButtonBorder

public static class ButtonBorder.ButtonScheme extends SchemeBorder.Scheme
Provides for a scheme to represent the borders of clickable figures like buttons. Though similar to the Scheme it supports an extra set of borders for the pressed states.
  • Constructor Details

    • ButtonScheme

      public ButtonScheme(Color[] highlight, Color[] shadow)
      Constructs a new button scheme where the input colors are the colors for the top-left and bottom-right sides of the border. These colors serve as the colors when the border is in a pressed state too. The width of each side is determined by the number of colors passed in as input.
      Parameters:
      highlight - Colors for the top-left sides of the border
      shadow - Colors for the bottom-right sides of the border
      Since:
      2.0
    • ButtonScheme

      public ButtonScheme(Color[] hl, Color[] sh, Color[] hlp, Color[] shp)
      Constructs a new button scheme where the input colors are the colors for the top-left and bottom-right sides of the border, for the normal and pressed states. The width of each side is determined by the number of colors passed in as input.
      Parameters:
      hl - Colors for the top-left sides of the border
      sh - Colors for the bottom-right sides of the border
      hlp - Colors for the top-left sides of the border when figure is pressed
      shp - Colors for the bottom-right sides of the border when figure is pressed
      Since:
      2.0
  • Method Details

    • calculateInsets

      protected Insets calculateInsets()
      Calculates and returns the Insets for this border. The calculations are based on the number of normal and pressed, highlight and shadow colors.
      Overrides:
      calculateInsets in class SchemeBorder.Scheme
      Returns:
      The insets for this border
      Since:
      2.0
    • calculateOpaque

      protected boolean calculateOpaque()
      Calculates and returns the opaque state of this border.

      Returns false in the following conditions:

      • The number of highlight colors is different than the the number of shadow colors.
      • The number of pressed highlight colors is different than the number of pressed shadow colors.
      • Any of the highlight and shadow colors are set to null
      • Any of the pressed highlight and shadow colors are set to null
      This is done so that the entire region under the figure is properly covered.
      Overrides:
      calculateOpaque in class SchemeBorder.Scheme
      Returns:
      The opaque state of this border
      Since:
      2.0
    • getHighlightPressed

      protected Color[] getHighlightPressed()
      Returns the pressed highlight colors of this border.
      Returns:
      Colors as an array of Colors
      Since:
      2.0
    • getShadowPressed

      protected Color[] getShadowPressed()
      Returns the pressed shadow colors of this border.
      Returns:
      Colors as an array of Colors
      Since:
      2.0