Display segment at the bottom of the Editor when you activate new segment

display_segment_at_the_bottom.groovy

/* :name=Display segment at the bottom :description=Display segment at the bottom of the Editor when you activate new segment
 * 
 * Usage: move this script to
 * <your-scripts-folder>/entry_activated/ sub-folder
 * for event driven automatically execution.
 *
 * @author  Yu Tang
 * @date    2017-03-12
 * @version 0.1.0
 */

package me.goat.groovy.scripting

import java.awt.Rectangle

// see org.omegat.gui.editor.EditorController#scrollForDisplayNearestSegments(CaretPosition) for details

int displayedEntryIndex = editor.displayedEntryIndex
Rectangle rect = editor.getSegmentBounds(displayedEntryIndex)

if (rect) {
    // Expand rect vertically to fill height of viewport.
    int viewportHeight = editor.scrollPane.viewport.height
    int fontSize = editor.editor.font.size
    rect.y -= (viewportHeight - rect.height + fontSize)
    rect.height = viewportHeight
    editor.editor.scrollRectToVisible(rect)
}

"display_segment_at_the_bottom.groovy executed."