Package javax.swing.undo

Examples of javax.swing.undo.UndoableEdit.undo()

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    public void testCreatePositionAfterUndone() throws BadLocationException {
        UndoableEdit undoable;
        content = new StringContent(10);
        content.insertString(0, "0123456789");
        undoable = content.remove(3, 5);
        undoable.undo();
        Position pos = content.createPosition(5);
        assertEquals(5, pos.getOffset());
        undoable.redo();
        assertEquals(3, pos.getOffset());
        undoable.undo();
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        undoable.undo();
        Position pos = content.createPosition(5);
        assertEquals(5, pos.getOffset());
        undoable.redo();
        assertEquals(3, pos.getOffset());
        undoable.undo();
        assertEquals(5, pos.getOffset());
    }

    public void testCreatePositionAfterInsert() throws BadLocationException {
        UndoableEdit undoable;
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        content = new StringContent(10);
        content.insertString(0, "0123456789");
        undoable = content.insertString(10, "big ");
        Position pos = content.createPosition(12);
        assertEquals(12, pos.getOffset());
        undoable.undo();
        assertEquals(10, pos.getOffset());
        undoable.redo();
        assertEquals(12, pos.getOffset());
    }
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        UndoableEdit ue = content.insertString(2, "^^^");
        assertNotNull(ue);
        content.getChars(0, content.length(), text);
        assertEquals(20, text.array.length);
        assertEquals("01^^^2345\n", content.getString(0, content.length()));
        ue.undo();
        assertEquals("012345\n", content.getString(0, content.length()));
        ue.redo();
        assertEquals("01^^^2345\n", content.getString(0, content.length()));
    }
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        assertEquals(redoName, undoable.getRedoPresentationName());
        assertEquals(undoName, undoable.getUndoPresentationName());
        assertTrue(undoable.isSignificant());
        assertFalse(undoable.canRedo());
        assertTrue(undoable.canUndo());
        undoable.undo();
        assertTrue(undoable.canRedo());
        assertFalse(undoable.canUndo());
        undoable.redo();
        assertFalse(undoable.canRedo());
        assertTrue(undoable.canUndo());
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        content.getChars(0, content.length(), text);
        assertEquals(8, text.count);
        assertEquals(20, text.array.length);
        assertNotNull(undoable);
        assertEquals("0111111\n", content.getString(0, content.length()));
        undoable.undo();
        assertEquals("012345^11111\n", content.getString(0, content.length()));
        undoable.redo();
        assertEquals("0111111\n", content.getString(0, content.length()));
    }
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        assertEquals(redoName, undoable.getRedoPresentationName());
        assertEquals(undoName, undoable.getUndoPresentationName());
        assertTrue(undoable.isSignificant());
        assertFalse(undoable.canRedo());
        assertTrue(undoable.canUndo());
        undoable.undo();
        assertTrue(undoable.canRedo());
        assertFalse(undoable.canUndo());
        undoable.redo();
        assertFalse(undoable.canRedo());
        assertTrue(undoable.canUndo());
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        content.getChars(0, content.length(), text);
        assertEquals(8, text.count);
        assertEquals(20, text.array.length);
        assertNotNull(ue);
        assertEquals("0111111\n", content.getString(0, content.length()));
        ue.undo();
        assertEquals("012345^11111\n", content.getString(0, content.length()));
        ue.redo();
        assertEquals("0111111\n", content.getString(0, content.length()));
    }
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        int[] offsets = new int[v.size()];
        for (int i = 0; i < pos.size(); i++) {
            offsets[i] = pos.get(i).getOffset();
        }
        UndoableEdit ue = content.remove(0, 9);
        ue.undo();
        for (int i = 0; i < pos.size(); i++) {
            assertEquals(offsets[i], pos.get(i).getOffset());
        }
    }
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    public void testCreatePositionBeforeUndo() throws BadLocationException {
        UndoableEdit ue = content.remove(3, 8);
        Position pos = content.createPosition(3);
        assertEquals(3, pos.getOffset());
        ue.undo();
        assertEquals(11, pos.getOffset());
        ue.redo();
        assertEquals(3, pos.getOffset());
    }
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