ListTransfertHandler.java

/*******************************************************************************
 * Copyhacked (H) 2012-2025.
 * This program and the accompanying materials
 * are made available under no term at all, use it like
 * you want, but share and discuss it
 * every time possible with every body.
 * 
 * Contributors:
 *      ron190 at ymail dot com - initial implementation
 ******************************************************************************/
package com.jsql.view.swing.list;

import com.jsql.util.LogLevelUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.swing.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Handler for processing cut/copy/paste/drag/drop action on a JList items.
 */
public class ListTransfertHandler extends AbstractListTransfertHandler {
    
    private static final Logger LOGGER = LogManager.getRootLogger();

    @Override
    protected String initTransferable() {
        var stringTransferable = new StringBuilder();
        for (ItemList itemPath: this.dragPaths) {
            stringTransferable.append(itemPath).append("\n");
        }
        return stringTransferable.toString();
    }

    @Override
    protected void parseStringDrop(TransferSupport support, DnDList list, DefaultListModel<ItemList> listModel) {
        var dropLocation = (JList.DropLocation) support.getDropLocation();
        int childIndex = dropLocation.getIndex();
        List<Integer> listSelectedIndices = new ArrayList<>();

        // DnD from list
        if (this.dragPaths != null && !this.dragPaths.isEmpty()) {
            this.addFromList(listModel, childIndex, listSelectedIndices);
        } else {
            this.addFromOutside(support, listModel, childIndex, listSelectedIndices);
        }

        var selectedIndices = new int[listSelectedIndices.size()];
        var i = 0;
        for (Integer integer: listSelectedIndices) {
            selectedIndices[i] = integer;
            i++;
        }
        list.setSelectedIndices(selectedIndices);
    }

    private void addFromOutside(TransferSupport support, DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
        try {
            int childIndexTo = childIndexFrom;
            var importString = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
            for (String value: importString.split("\\n")) {
                if (StringUtils.isNotEmpty(value)) {
                    listSelectedIndices.add(childIndexTo);
                    listModel.add(childIndexTo++, new ItemList(value.replace("\\", "/")));
                }
            }
        } catch (UnsupportedFlavorException | IOException e) {
            LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
        }
    }

    private void addFromList(DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
        int childIndexTo = childIndexFrom;
        for (ItemList value: this.dragPaths) {
            if (StringUtils.isNotEmpty(value.toString())) {
                var newValue = new ItemList(value.toString().replace("\\", "/"));  //! FUUuu
                listSelectedIndices.add(childIndexTo);
                listModel.add(childIndexTo++, newValue);
            }
        }
    }

    @Override
    protected List<Integer> initStringPaste(String clipboardText, int selectedIndexFrom, DefaultListModel<ItemList> listModel) {
        int selectedIndexTo = selectedIndexFrom;
        List<Integer> selectedIndexes = new ArrayList<>();
        for (String line: clipboardText.split("\\n")) {
            if (StringUtils.isNotEmpty(line)) {
                String newLine = line.replace("\\", "/");
                var newItem = new ItemList(newLine);
                selectedIndexes.add(selectedIndexTo);
                listModel.add(selectedIndexTo++, newItem);
            }
        }
        return selectedIndexes;
    }
}















Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

Report generated by PIT 1.22.0

1		/*******************************************************************************
2		* Copyhacked (H) 2012-2025.
3		* This program and the accompanying materials
4		* are made available under no term at all, use it like
5		* you want, but share and discuss it
6		* every time possible with every body.
7		*
8		* Contributors:
9		* ron190 at ymail dot com - initial implementation
10		******************************************************************************/
11		package com.jsql.view.swing.list;
12
13		import com.jsql.util.LogLevelUtil;
14		import org.apache.commons.lang3.StringUtils;
15		import org.apache.logging.log4j.LogManager;
16		import org.apache.logging.log4j.Logger;
17
18		import javax.swing.*;
19		import java.awt.datatransfer.DataFlavor;
20		import java.awt.datatransfer.UnsupportedFlavorException;
21		import java.io.IOException;
22		import java.util.ArrayList;
23		import java.util.List;
24
25		/**
26		* Handler for processing cut/copy/paste/drag/drop action on a JList items.
27		*/
28		public class ListTransfertHandler extends AbstractListTransfertHandler {
29
30		private static final Logger LOGGER = LogManager.getRootLogger();
31
32		@Override
33		protected String initTransferable() {
34		var stringTransferable = new StringBuilder();
35		for (ItemList itemPath: this.dragPaths) {
36		stringTransferable.append(itemPath).append("\n");
37		}
38	1 1. initTransferable : replaced return value with "" for com/jsql/view/swing/list/ListTransfertHandler::initTransferable → NO_COVERAGE	return stringTransferable.toString();
39		}
40
41		@Override
42		protected void parseStringDrop(TransferSupport support, DnDList list, DefaultListModel<ItemList> listModel) {
43		var dropLocation = (JList.DropLocation) support.getDropLocation();
44		int childIndex = dropLocation.getIndex();
45		List<Integer> listSelectedIndices = new ArrayList<>();
46
47		// DnD from list
48	2 1. parseStringDrop : negated conditional → NO_COVERAGE 2. parseStringDrop : negated conditional → NO_COVERAGE	if (this.dragPaths != null && !this.dragPaths.isEmpty()) {
49	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromList → NO_COVERAGE	this.addFromList(listModel, childIndex, listSelectedIndices);
50		} else {
51	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromOutside → NO_COVERAGE	this.addFromOutside(support, listModel, childIndex, listSelectedIndices);
52		}
53
54		var selectedIndices = new int[listSelectedIndices.size()];
55		var i = 0;
56		for (Integer integer: listSelectedIndices) {
57		selectedIndices[i] = integer;
58	1 1. parseStringDrop : Changed increment from 1 to -1 → NO_COVERAGE	i++;
59		}
60	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/DnDList::setSelectedIndices → NO_COVERAGE	list.setSelectedIndices(selectedIndices);
61		}
62
63		private void addFromOutside(TransferSupport support, DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
64		try {
65		int childIndexTo = childIndexFrom;
66		var importString = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
67		for (String value: importString.split("\\n")) {
68	1 1. addFromOutside : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(value)) {
69		listSelectedIndices.add(childIndexTo);
70	2 1. addFromOutside : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2. addFromOutside : Changed increment from 1 to -1 → NO_COVERAGE	listModel.add(childIndexTo++, new ItemList(value.replace("\\", "/")));
71		}
72		}
73		} catch (UnsupportedFlavorException \| IOException e) {
74		LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
75		}
76		}
77
78		private void addFromList(DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
79		int childIndexTo = childIndexFrom;
80		for (ItemList value: this.dragPaths) {
81	1 1. addFromList : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(value.toString())) {
82		var newValue = new ItemList(value.toString().replace("\\", "/")); //! FUUuu
83		listSelectedIndices.add(childIndexTo);
84	2 1. addFromList : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2. addFromList : Changed increment from 1 to -1 → NO_COVERAGE	listModel.add(childIndexTo++, newValue);
85		}
86		}
87		}
88
89		@Override
90		protected List<Integer> initStringPaste(String clipboardText, int selectedIndexFrom, DefaultListModel<ItemList> listModel) {
91		int selectedIndexTo = selectedIndexFrom;
92		List<Integer> selectedIndexes = new ArrayList<>();
93		for (String line: clipboardText.split("\\n")) {
94	1 1. initStringPaste : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(line)) {
95		String newLine = line.replace("\\", "/");
96		var newItem = new ItemList(newLine);
97		selectedIndexes.add(selectedIndexTo);
98	2 1. initStringPaste : Changed increment from 1 to -1 → NO_COVERAGE 2. initStringPaste : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE	listModel.add(selectedIndexTo++, newItem);
99		}
100		}
101	1 1. initStringPaste : replaced return value with Collections.emptyList for com/jsql/view/swing/list/ListTransfertHandler::initStringPaste → NO_COVERAGE	return selectedIndexes;
102		}
103		}
		Mutations
38		1.1 Location : initTransferable Killed by : none replaced return value with "" for com/jsql/view/swing/list/ListTransfertHandler::initTransferable → NO_COVERAGE
48		1.1 Location : parseStringDrop Killed by : none negated conditional → NO_COVERAGE 2.2 Location : parseStringDrop Killed by : none negated conditional → NO_COVERAGE
49		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromList → NO_COVERAGE
51		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromOutside → NO_COVERAGE
58		1.1 Location : parseStringDrop Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
60		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/DnDList::setSelectedIndices → NO_COVERAGE
68		1.1 Location : addFromOutside Killed by : none negated conditional → NO_COVERAGE
70		1.1 Location : addFromOutside Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2.2 Location : addFromOutside Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
81		1.1 Location : addFromList Killed by : none negated conditional → NO_COVERAGE
84		1.1 Location : addFromList Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2.2 Location : addFromList Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
94		1.1 Location : initStringPaste Killed by : none negated conditional → NO_COVERAGE
98		1.1 Location : initStringPaste Killed by : none Changed increment from 1 to -1 → NO_COVERAGE 2.2 Location : initStringPaste Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE
101		1.1 Location : initStringPaste Killed by : none replaced return value with Collections.emptyList for com/jsql/view/swing/list/ListTransfertHandler::initStringPaste → NO_COVERAGE

ListTransfertHandler.java

Mutations

Active mutators

Tests examined