1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
|
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.spc.ofp.gui;
import java.awt.BasicStroke;
import java.awt.Component;
import java.awt.Paint;
import java.util.HashMap;
import java.util.Map;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JList;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.ListCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellRenderer;
import org.spc.ofp.graphics.gui.BasicStrokeCellRenderer;
import org.spc.ofp.graphics.gui.PaintCellRenderer;
/**
*
* @author fabriceb
*/
public abstract class MultiCellRenderer {
/** Storage map.
*/
private Map<Class<?>, Object> classRendererMap = new HashMap<Class<?>, Object>();
/**
* Register a renderer for a given type.
* @param type The type.
* @param renderer The renderer associated to this type.
*/
protected void register(Class<?> type, Object renderer) {
classRendererMap.put(type, renderer);
}
/**
* Unregister a renderer for a given type.
* @param type The type.
*/
protected void unregister(Class<?> type) {
classRendererMap.remove(type);
}
/** Gets a renderer for a given type.
* @param type The type.
* @return An <code>Object</code> instance or <code>null</code> is no renderer registered to this type.
*/
protected Object getRenderer(Class<?> type) {
return classRendererMap.get(type);
}
/** Searh renderer for given value.
* @param value The value.
* @return An <code>Object</code> instance or <code>null</code> is no renderer registered to this value's type.
* If this value is <code>null</code>, defaults to the renderer for the <code>Object</code> class.
*/
protected Object searchRenderer(Object value) {
Object result = null;
if (value != null) {
Class<?> type = value.getClass();
result = getRenderer(type);
// Search super-classes.
if (result == null) {
for (Class<?> parent = type.getSuperclass(); (parent != null && parent != Object.class); parent = parent.getSuperclass()) {
result = getRenderer(parent);
if (result != null) {
break;
}
}
}
// Search implemented interfaces.
if (result == null) {
Class<?>[] parents = type.getInterfaces();
for (Class<?> parent : parents) {
result = getRenderer(parent);
if (result != null) {
break;
}
}
}
}
// Use default renderer instead.
if (result == null) {
result = getRenderer(Object.class);
}
return result;
}
public static class List extends MultiCellRenderer implements ListCellRenderer {
public List() {
registerRenderer(Paint.class, new PaintCellRenderer.List());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.List());
registerRenderer(Object.class, new DefaultListCellRenderer());
}
public void registerRenderer(Class<?> type, ListCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
ListCellRenderer renderer = (ListCellRenderer) searchRenderer(value);
return renderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
}
}
public static class Tree extends MultiCellRenderer implements TreeCellRenderer {
public Tree() {
registerRenderer(Paint.class, new PaintCellRenderer.Tree());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.Tree());
registerRenderer(Object.class, new DefaultTreeCellRenderer());
}
public void registerRenderer(Class<?> type, TreeCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
if (value instanceof DefaultMutableTreeNode) {
value = ((DefaultMutableTreeNode) value).getUserObject();
}
TreeCellRenderer renderer = (TreeCellRenderer) searchRenderer(value);
return renderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
}
}
public static class Table extends MultiCellRenderer implements TableCellRenderer {
public Table() {
registerRenderer(Paint.class, new PaintCellRenderer.Table());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.Table());
registerRenderer(Object.class, new DefaultTableCellRenderer());
}
public void registerRenderer(Class<?> type, TableCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
TableCellRenderer renderer = (TableCellRenderer) searchRenderer(value);
return renderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
}
}
} |
Partager