#1207

Committed 13 Sep 2025 11:58PM UTC coverage: 2.895% (-0.006%) from 2.901%

Build # #1207

Build Type

push

Committed by

Commit Message

fix #569: 可能在完全初始化子类之前逃逸了 'this'

Run Details

0 of 32 new or added lines in 22 files covered. (0.0%)

9 existing lines in 8 files now uncovered.

248 of 8567 relevant lines covered (2.89%)

0.03 hits per line

Source File
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0.0

/src/main/java/edu/jiangxin/apktoolbox/swing/treetable/MyTreeTableCellRenderer.java

package edu.jiangxin.apktoolbox.swing.treetable;

import java.awt.Component;
import java.awt.Graphics;
import java.io.Serial;

import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.table.TableCellRenderer;
import javax.swing.tree.TreeModel;


public class MyTreeTableCellRenderer extends JTree implements TableCellRenderer {
    @Serial
    private static final long serialVersionUID = 1L;

    /** Die letzte Zeile, die gerendert wurde. */
    protected int visibleRow;

    private MyTreeTable treeTable;

    public MyTreeTableCellRenderer(MyTreeTable treeTable, TreeModel model) {
        super(model);
        this.treeTable = treeTable;
    }

    // in case of escape of "this"
    public void initialize() {
        // Setzen der Zeilenhoehe fuer die JTable
        // Muss explizit aufgerufen werden, weil treeTable noch
        // null ist, wenn super(model) setRowHeight aufruft!
        setRowHeight(getRowHeight());
    }

    /**
     * Tree und Table muessen die gleiche Hoehe haben.
     */
    public void setRowHeight(int rowHeight) {
        if (rowHeight > 0) {
            super.setRowHeight(rowHeight);
            if (treeTable != null && treeTable.getRowHeight() != rowHeight) {
                treeTable.setRowHeight(getRowHeight());
            }
        }
    }

    /**
     * Tree muss die gleiche Hoehe haben wie Table.
     */
    public void setBounds(int x, int y, int w, int h) {
        super.setBounds(x, 0, w, treeTable.getHeight());
    }

    /**
     * Sorgt fuer die Einrueckung der Ordner.
     */
    public void paint(Graphics g) {
        g.translate(0, -visibleRow * getRowHeight());

        super.paint(g);
    }

    /**
     * Liefert den Renderer mit der passenden Hintergrundfarbe zurueck.
     */
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
        if (isSelected)
            setBackground(table.getSelectionBackground());
        else
            setBackground(table.getBackground());

        visibleRow = row;
        return this;
    }
}

1	package edu.jiangxin.apktoolbox.swing.treetable;
2
3	import java.awt.Component;
4	import java.awt.Graphics;
5	import java.io.Serial;
6
7	import javax.swing.JTable;
8	import javax.swing.JTree;
9	import javax.swing.table.TableCellRenderer;
10	import javax.swing.tree.TreeModel;
11
12
13	public class MyTreeTableCellRenderer extends JTree implements TableCellRenderer {
14	@Serial
15	private static final long serialVersionUID = 1L;
16
17	/** Die letzte Zeile, die gerendert wurde. */
18	protected int visibleRow;
19
20	private MyTreeTable treeTable;
21
22	public MyTreeTableCellRenderer(MyTreeTable treeTable, TreeModel model) {
23	super(model);	×
24	this.treeTable = treeTable;	×
NEW 25	}	×
26
27	// in case of escape of "this"
28	public void initialize() {
29	// Setzen der Zeilenhoehe fuer die JTable
30	// Muss explizit aufgerufen werden, weil treeTable noch
31	// null ist, wenn super(model) setRowHeight aufruft!
32	setRowHeight(getRowHeight());	×
33	}	×
34
35	/**
36	* Tree und Table muessen die gleiche Hoehe haben.
37	*/
38	public void setRowHeight(int rowHeight) {
39	if (rowHeight > 0) {	×
40	super.setRowHeight(rowHeight);	×
41	if (treeTable != null && treeTable.getRowHeight() != rowHeight) {	×
42	treeTable.setRowHeight(getRowHeight());	×
43	}
44	}
45	}	×
46
47	/**
48	* Tree muss die gleiche Hoehe haben wie Table.
49	*/
50	public void setBounds(int x, int y, int w, int h) {
51	super.setBounds(x, 0, w, treeTable.getHeight());	×
52	}	×
53
54	/**
55	* Sorgt fuer die Einrueckung der Ordner.
56	*/
57	public void paint(Graphics g) {
58	g.translate(0, -visibleRow * getRowHeight());	×
59
60	super.paint(g);	×
61	}	×
62
63	/**
64	* Liefert den Renderer mit der passenden Hintergrundfarbe zurueck.
65	*/
66	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
67	if (isSelected)	×
68	setBackground(table.getSelectionBackground());	×
69	else
70	setBackground(table.getBackground());	×
71
72	visibleRow = row;	×
73	return this;	×
74	}
75	}

jiangxincode / ApkToolBoxGUI / #1207

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