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antlr
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rounded line edges, no border if color==null; 1.0.1 abego 

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 9468]
This commit is contained in:
parrt 2011-11-26 11:28:50 -08:00
parent 36a7597bcf
commit 181611da94
2 changed files with 25 additions and 10 deletions
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BIN
runtime/Java/lib/org.abego.treelayout.core.jar
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35
runtime/Java/src/org/antlr/v4/runtime/tree/gui/TreeViewer.java
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@ -29,17 +29,24 @@
package org.antlr.v4.runtime.tree.gui;
import org.abego.treelayout.*;
import org.abego.treelayout.NodeExtentProvider;
import org.abego.treelayout.TreeForTreeLayout;
import org.abego.treelayout.TreeLayout;
import org.abego.treelayout.util.DefaultConfiguration;
import org.antlr.v4.runtime.BaseRecognizer;
import org.antlr.v4.runtime.tree.*;
import org.antlr.v4.runtime.tree.ParseTree;
import org.antlr.v4.runtime.tree.Tree;
import org.antlr.v4.runtime.tree.Trees;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Rectangle2D;
import java.util.*;
import java.util.ArrayList;
import java.util.Collection;
public class TreeViewer extends JComponent {
public static final Color LIGHT_RED = new Color(244, 213, 211);
@ -103,7 +110,7 @@ public class TreeViewer extends JComponent {
protected Color boxColor = null; // set to a color to make it draw background
protected Color highlightedBoxColor = Color.lightGray;
protected Color borderColor = Color.white;
protected Color borderColor = null;
protected Color textColor = Color.black;
protected BaseRecognizer<?> parser;
@ -111,11 +118,13 @@ public class TreeViewer extends JComponent {
public TreeViewer(BaseRecognizer<?> parser, Tree tree) {
this.parser = parser;
setTreeTextProvider(new DefaultTreeTextProvider(parser));
boolean useIdentity = true; // compare node identity
this.treeLayout =
new TreeLayout<Tree>(new TreeLayoutAdaptor(tree),
new TreeViewer.VariableExtentProvide(this),
new DefaultConfiguration<Tree>(gapBetweenLevels,
gapBetweenNodes));
gapBetweenNodes),
useIdentity);
Dimension size = treeLayout.getBounds().getBounds().getSize();
setPreferredSize(size);
setFont(font);
@ -125,6 +134,10 @@ public class TreeViewer extends JComponent {
protected void paintEdges(Graphics g, Tree parent) {
if (!getTree().isLeaf(parent)) {
BasicStroke stroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND);
((Graphics2D)g).setStroke(stroke);
Rectangle2D.Double parentBounds = getBoundsOfNode(parent);
double x1 = parentBounds.getCenterX();
double y1 = parentBounds.getMaxY();
@ -152,9 +165,11 @@ public class TreeViewer extends JComponent {
g.fillRoundRect((int) box.x, (int) box.y, (int) box.width - 1,
(int) box.height - 1, arcSize, arcSize);
}
g.setColor(borderColor);
g.drawRoundRect((int) box.x, (int) box.y, (int) box.width - 1,
(int) box.height - 1, arcSize, arcSize);
if ( borderColor!=null ) {
g.setColor(borderColor);
g.drawRoundRect((int) box.x, (int) box.y, (int) box.width - 1,
(int) box.height - 1, arcSize, arcSize);
}
// draw the text on top of the box (possibly multiple lines)
g.setColor(textColor);