Source Code Cross Referenced for LayerTreeCellRenderer.java in  » GIS » openjump » com » vividsolutions » jump » workbench » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » openjump » com.vividsolutions.jump.workbench.ui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
003:         * for visualizing and manipulating spatial features with geometry and attributes.
004:         *
005:         * Copyright (C) 2003 Vivid Solutions
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License
009:         * as published by the Free Software Foundation; either version 2
010:         * of the License, or (at your option) any later version.
011:         * 
012:         * This program is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
015:         * GNU General Public License for more details.
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * along with this program; if not, write to the Free Software
019:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
020:         * 
021:         * For more information, contact:
022:         *
023:         * Vivid Solutions
024:         * Suite #1A
025:         * 2328 Government Street
026:         * Victoria BC  V8T 5G5
027:         * Canada
028:         *
029:         * (250)385-6040
030:         * www.vividsolutions.com
031:         */
032:
033:        package com.vividsolutions.jump.workbench.ui;
034:
035:        import java.awt.Color;
036:        import java.awt.Component;
037:        import java.awt.Font;
038:        import java.util.Date;
039:
040:        import javax.swing.JLabel;
041:        import javax.swing.JTree;
042:        import javax.swing.UIManager;
043:        import javax.swing.tree.DefaultTreeCellRenderer;
044:        import javax.swing.tree.TreeCellRenderer;
045:
046:        import com.vividsolutions.jts.util.Assert;
047:        import com.vividsolutions.jump.workbench.model.Category;
048:        import com.vividsolutions.jump.workbench.model.LayerTreeModel;
049:        import com.vividsolutions.jump.workbench.model.Layerable;
050:        import com.vividsolutions.jump.workbench.ui.renderer.LayerRenderer;
051:        import com.vividsolutions.jump.workbench.ui.renderer.RenderingManager;
052:
053:        /**
054:         * Implements a {@link TreeCellRenderer}for the {@link
055:         * com.vividsolutions.jump.workbench.model.Layer Layer} tree. This class may be
056:         * renamed to LayerRenderer in the future.
057:         */
058:
059:        public class LayerTreeCellRenderer implements  TreeCellRenderer {
060:            //<<TODO:NAMING>> Rename class to LayerRenderer [Jon Aquino]
061:            private LayerNameRenderer layerNameRenderer = new LayerNameRenderer();
062:
063:            private JLabel rootRendererComponent = new JLabel("Root");
064:
065:            private DefaultTreeCellRenderer categoryRenderer = new DefaultTreeCellRenderer();
066:
067:            private RenderingManager renderingManager;
068:
069:            public LayerTreeCellRenderer(RenderingManager renderingManager) {
070:                this .renderingManager = renderingManager;
071:                layerNameRenderer.setCheckBoxVisible(true);
072:                layerNameRenderer.setIndicatingEditability(true);
073:                layerNameRenderer.setIndicatingProgress(true, renderingManager);
074:            }
075:
076:            public LayerNameRenderer getLayerNameRenderer() {
077:                return layerNameRenderer;
078:            }
079:
080:            public Component getTreeCellRendererComponent(JTree tree,
081:                    Object value, boolean selected, boolean expanded,
082:                    boolean leaf, int row, boolean hasFocus) {
083:                Object node = value;
084:                if (node instanceof  LayerTreeModel.Root) {
085:                    return getTreeCellRendererComponent((LayerTreeModel.Root) node);
086:                }
087:
088:                if (node instanceof  Category) {
089:                    categoryRenderer.setBackgroundNonSelectionColor(tree
090:                            .getBackground());
091:
092:                    JLabel categoryRendererComponent = (JLabel) categoryRenderer
093:                            .getTreeCellRendererComponent(tree, value,
094:                                    selected, expanded, leaf, row, hasFocus);
095:                    categoryRendererComponent.setFont(new JLabel().getFont()
096:                            .deriveFont(Font.BOLD));
097:                    categoryRendererComponent.setText(((Category) node)
098:                            .getName());
099:                    if (expanded) {
100:                        categoryRendererComponent.setIcon(UIManager
101:                                .getIcon("Tree.openIcon"));
102:                    } else {
103:                        categoryRendererComponent.setIcon(UIManager
104:                                .getIcon("Tree.closedIcon"));
105:                    }
106:
107:                    return categoryRendererComponent;
108:                }
109:
110:                if (node instanceof  Layerable) {
111:                    layerNameRenderer.getTreeCellRendererComponent(tree, value,
112:                            selected, expanded, leaf, row, hasFocus);
113:                    if (!LayerRenderer.withinVisibleScaleRange(
114:                            (Layerable) node, renderingManager.getPanel())) {
115:                        layerNameRenderer.getLabel().setForeground(
116:                                selected ? GREY : GREY);
117:                    }
118:                    return layerNameRenderer;
119:                }
120:
121:                Assert.shouldNeverReachHere(node.getClass().toString());
122:
123:                return null;
124:            }
125:
126:            /**
127:             * Halfway between LIGHT_GRAY and DARK_GRAY.
128:             */
129:            private static final Color GREY = new Color(128, 128, 128);
130:
131:            private Component getTreeCellRendererComponent(
132:                    LayerTreeModel.Root root) {
133:                return rootRendererComponent;
134:            }
135:        }
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