bc.ui.swing.lists.StripeList Maven / Gradle / Ivy

Go to download
/* 
 * The MIT License
 *
 * Copyright 2016 Benny Lutati.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package bc.ui.swing.lists;

import bc.ui.swing.models.GenericListModel;
import bc.ui.swing.visuals.Visual;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.util.LinkedList;
import java.util.List;
import javax.swing.JList;
import javax.swing.JViewport;
import javax.swing.event.ListSelectionListener;

/**
 *
 * @author bennyl
 */
public class StripeList extends javax.swing.JPanel {

    private Color evenBackColor = new Color(245, 245, 245);
    private Color evenForeColor = new Color(51, 51, 51);
    private Color oddBackColor = new Color(215, 215, 215);
    private Color oddForeColor = new Color(71, 71, 71);
    private final StripeListItemRenderer itemRenderer;

    /** Creates new form StripeList */
    public StripeList() {
        initComponents();
        list.setFixedCellHeight(24);
        scroll.setViewport(new StripeViewPort());
        scroll.setViewportView(list);
        itemRenderer = new StripeListItemRenderer();
        list.setCellRenderer(itemRenderer);
    }

    public void addSelectionListner(ListSelectionListener listener) {
        list.getSelectionModel().addListSelectionListener(listener);
    }

    public void setItems(LinkedList visuals) {
        GenericListModel data = new GenericListModel();
        data.setInnerList(visuals);

        list.setModel(data);
    }

    public void remove(Visual item){
        GenericListModel data = (GenericListModel) list.getModel();
        data.remove(item);
    }
    
    @Override
    public void setFont(Font font) {
        if (itemRenderer != null) {
            itemRenderer.setFont(font);
        }
    }

    @Override
    public Font getFont() {
        if (itemRenderer != null) {
            return itemRenderer.getFont();
        }
        return super.getFont();
    }

    public JList getList() {
        return list;
    }

    public List getSelectedItems() {
        LinkedList ret = new LinkedList();
        for (Object l : list.getSelectedValues()) {
            ret.add((Visual) l);
        }

        return ret;
    }

    public Color getEvenBackColor() {
        return evenBackColor;
    }

    public void setEvenBackColor(Color evenBackColor) {
        this.evenBackColor = evenBackColor;
        itemRenderer.setEvenBackColor(evenBackColor);
    }

    public Color getEvenForeColor() {
        return evenForeColor;
    }

    public void setEvenForeColor(Color evenForeColor) {
        this.evenForeColor = evenForeColor;
        itemRenderer.setEvenForeColor(evenForeColor);
    }

    public Color getOddBackColor() {
        return oddBackColor;
    }

    public void setOddBackColor(Color oddBackColor) {
        this.oddBackColor = oddBackColor;
        itemRenderer.setOddBackColor(oddBackColor);
    }

    public Color getOddForeColor() {
        return oddForeColor;
    }

    public void setOddForeColor(Color oddForeColor) {
        this.oddForeColor = oddForeColor;
        itemRenderer.setOddForeColor(oddForeColor);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // //GEN-BEGIN:initComponents
    private void initComponents() {

        scroll = new javax.swing.JScrollPane();
        list = new javax.swing.JList();

        setLayout(new java.awt.BorderLayout());

        scroll.setBorder(null);

        list.setModel(new javax.swing.AbstractListModel() {
            String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
            public int getSize() { return strings.length; }
            public Object getElementAt(int i) { return strings[i]; }
        });
        list.setOpaque(false);
        scroll.setViewportView(list);

        add(scroll, java.awt.BorderLayout.CENTER);
    }// //GEN-END:initComponents
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JList list;
    private javax.swing.JScrollPane scroll;
    // End of variables declaration//GEN-END:variables

    private Color getRowColor(int i) {
        if (i % 2 == 0) {
            return evenBackColor;
        }

        return oddBackColor;
    }

    private class StripeViewPort extends JViewport {

        @Override
        protected void paintComponent(Graphics g) {
            paintStripedBackground(g);
            //super.paintComponent(g);
        }

        private void paintStripedBackground(Graphics g) {
            // get the row index at the top of the clip bounds (the first row
            // to paint).
            int rowAtPoint = list.locationToIndex(g.getClipBounds().getLocation());
            // get the y coordinate of the first row to paint. if there are no
            // rows in the table, start painting at the top of the supplied
            // clipping bounds.
            int topY = rowAtPoint < 0
                    ? g.getClipBounds().y : list.getCellBounds(rowAtPoint, 0).y;

            // create a counter variable to hold the current row. if there are no
            // rows in the table, start the counter at 0.
            int currentRow = rowAtPoint < 0 ? 0 : rowAtPoint;
            while (topY < g.getClipBounds().y + g.getClipBounds().height) {
                int bottomY = topY + list.getFixedCellHeight();
                g.setColor(getRowColor(currentRow));
                g.fillRect(g.getClipBounds().x, topY, g.getClipBounds().width, bottomY);
                topY = bottomY;
                currentRow++;
            }
        }
    }
}