Examples with TransAction org.pentaho.di.core.undo.TransAction used on opensource projects

Example 11 with TransAction

use of org.pentaho.di.core.undo.TransAction in project pentaho-kettle by pentaho.

the class AbstractMeta method previousUndo.

// get previous undo, change position
/*
   * (non-Javadoc)
   *
   * @see org.pentaho.di.core.gui.UndoInterface#previousUndo()
   */
@Override
public TransAction previousUndo() {
    if (undo.isEmpty() || undo_position < 0) {
        // No undo left!
        return null;
    }
    TransAction retval = undo.get(undo_position);
    undo_position--;
    return retval;
}

Example 12 with TransAction

use of org.pentaho.di.core.undo.TransAction in project pentaho-kettle by pentaho.

the class AbstractMeta method nextUndo.

/*
   * (non-Javadoc)
   *
   * @see org.pentaho.di.core.gui.UndoInterface#nextUndo()
   */
@Override
public TransAction nextUndo() {
    int size = undo.size();
    if (size == 0 || undo_position >= size - 1) {
        // no redo left...
        return null;
    }
    undo_position++;
    TransAction retval = undo.get(undo_position);
    return retval;
}

Example 13 with TransAction

use of org.pentaho.di.core.undo.TransAction in project pentaho-kettle by pentaho.

the class AbstractMetaTest method testAddRemoveViewUndo.

@Test
public void testAddRemoveViewUndo() throws Exception {
    // addUndo() right now will fail with an NPE
    assertEquals(0, meta.getUndoSize());
    meta.clearUndo();
    assertEquals(0, meta.getUndoSize());
    assertEquals(0, meta.getMaxUndo());
    meta.setMaxUndo(3);
    assertEquals(3, meta.getMaxUndo());
    // viewThisUndo() and viewPreviousUndo() have the same logic
    assertNull(meta.viewThisUndo());
    assertNull(meta.viewPreviousUndo());
    assertNull(meta.viewNextUndo());
    assertNull(meta.previousUndo());
    assertNull(meta.nextUndo());
    StepMeta fromMeta = mock(StepMeta.class);
    StepMeta toMeta = mock(StepMeta.class);
    Object[] from = new Object[] { fromMeta };
    Object[] to = new Object[] { toMeta };
    int[] pos = new int[0];
    Point[] prev = new Point[0];
    Point[] curr = new Point[0];
    meta.addUndo(from, to, pos, prev, curr, AbstractMeta.TYPE_UNDO_NEW, false);
    assertNotNull(meta.viewThisUndo());
    assertNotNull(meta.viewPreviousUndo());
    assertNull(meta.viewNextUndo());
    meta.addUndo(from, to, pos, prev, curr, AbstractMeta.TYPE_UNDO_CHANGE, false);
    assertNotNull(meta.viewThisUndo());
    assertNotNull(meta.viewPreviousUndo());
    assertNull(meta.viewNextUndo());
    TransAction action = meta.previousUndo();
    assertNotNull(action);
    assertEquals(AbstractMeta.TYPE_UNDO_CHANGE, action.getType());
    assertNotNull(meta.viewThisUndo());
    assertNotNull(meta.viewPreviousUndo());
    assertNotNull(meta.viewNextUndo());
    meta.addUndo(from, to, pos, prev, curr, AbstractMeta.TYPE_UNDO_DELETE, false);
    meta.addUndo(from, to, pos, prev, curr, AbstractMeta.TYPE_UNDO_POSITION, false);
    assertNotNull(meta.previousUndo());
    assertNotNull(meta.nextUndo());
    meta.setMaxUndo(1);
    assertEquals(1, meta.getUndoSize());
    meta.addUndo(from, to, pos, prev, curr, AbstractMeta.TYPE_UNDO_NEW, false);
}

Example 14 with TransAction

use of org.pentaho.di.core.undo.TransAction in project pentaho-kettle by pentaho.

the class Spoon method setUndoMenu.

/**
 * Sets the text and enabled settings for the undo and redo menu items
 *
 * @param undoInterface
 *          the object which holds the undo/redo information
 */
public void setUndoMenu(UndoInterface undoInterface) {
    if (shell.isDisposed()) {
        return;
    }
    TransAction prev = undoInterface != null ? undoInterface.viewThisUndo() : null;
    TransAction next = undoInterface != null ? undoInterface.viewNextUndo() : null;
    // Set the menubar text and enabled flags
    XulMenuitem item = (XulMenuitem) mainSpoonContainer.getDocumentRoot().getElementById(UNDO_MENU_ITEM);
    item.setLabel(prev == null ? UNDO_UNAVAILABLE : BaseMessages.getString(PKG, "Spoon.Menu.Undo.Available", prev.toString()));
    item.setDisabled(prev == null);
    item = (XulMenuitem) mainSpoonContainer.getDocumentRoot().getElementById(REDO_MENU_ITEM);
    item.setLabel(next == null ? REDO_UNAVAILABLE : BaseMessages.getString(PKG, "Spoon.Menu.Redo.Available", next.toString()));
    item.setDisabled(next == null);
}

Example 15 with TransAction

use of org.pentaho.di.core.undo.TransAction in project pentaho-kettle by pentaho.

the class AbstractMeta method viewNextUndo.

/*
   * (non-Javadoc)
   *
   * @see org.pentaho.di.core.gui.UndoInterface#viewNextUndo()
   */
@Override
public TransAction viewNextUndo() {
    int size = undo.size();
    if (size == 0 || undo_position >= size - 1) {
        // no redo left...
        return null;
    }
    TransAction retval = undo.get(undo_position + 1);
    return retval;
}