/* * Copyright (C) 2012 Dr. John Lindsay <jlindsay@uoguelph.ca> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package whiteboxgis; import java.awt.*; import javax.swing.*; /** * * @author Dr. John Lindsay email: jlindsay@uoguelph.ca */ class LineStyleComboBoxRenderer extends JLabel implements ListCellRenderer { float[][] dashArray; float lineThickness; Color lineColour; public LineStyleComboBoxRenderer(float[][] dashArray, float lineThickness, Color lineColour) { setOpaque(true); setHorizontalAlignment(CENTER); setVerticalAlignment(CENTER); this.dashArray = dashArray.clone(); this.lineColour = lineColour; this.lineThickness = lineThickness; } /* * This method finds the image and text corresponding * to the selected value and returns the label, set up * to display the text and image. */ @Override public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { Component returnValue = null; //Get the selected index. (The index param isn't //always valid, so just use the value.) int selectedIndex = ((Integer) value).intValue(); Color backColour; if (isSelected) { backColour = list.getSelectionBackground(); } else { backColour = list.getBackground(); } DashedLineSample dls = new DashedLineSample(80, 24, selectedIndex, dashArray[selectedIndex], backColour, lineThickness, lineColour); returnValue = dls; return returnValue; } }