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

Example 16 with TransAction

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

the class AbstractMeta method addUndo.

/*
   * (non-Javadoc)
   *
   * @see org.pentaho.di.core.gui.UndoInterface#addUndo(java.lang.Object[], java.lang.Object[], int[],
   * org.pentaho.di.core.gui.Point[], org.pentaho.di.core.gui.Point[], int, boolean)
   */
@Override
public void addUndo(Object[] from, Object[] to, int[] pos, Point[] prev, Point[] curr, int type_of_change, boolean nextAlso) {
    while (undo.size() > undo_position + 1 && undo.size() > 0) {
        int last = undo.size() - 1;
        undo.remove(last);
    }
    TransAction ta = new TransAction();
    switch(type_of_change) {
        case TYPE_UNDO_CHANGE:
            ta.setChanged(from, to, pos);
            break;
        case TYPE_UNDO_DELETE:
            ta.setDelete(from, pos);
            break;
        case TYPE_UNDO_NEW:
            ta.setNew(from, pos);
            break;
        case TYPE_UNDO_POSITION:
            ta.setPosition(from, pos, prev, curr);
            break;
        default:
            break;
    }
    undo.add(ta);
    undo_position++;
    if (undo.size() > max_undo) {
        undo.remove(0);
        undo_position--;
    }
}

Example 17 with TransAction

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

the class TableView method viewNextUndo.

private TransAction viewNextUndo() {
    int size = undo.size();
    if (size == 0 || undoPosition >= size - 1) {
        // no redo left...
        return null;
    }
    TransAction retval = undo.get(undoPosition + 1);
    return retval;
}

Example 18 with TransAction

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

the class TableView method nextUndo.

private TransAction nextUndo() {
    int size = undo.size();
    if (size == 0 || undoPosition >= size - 1) {
        // no redo left...
        return null;
    }
    undoPosition++;
    TransAction retval = undo.get(undoPosition);
    return retval;
}

Example 19 with TransAction

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

the class TableView method keepSelected.

private void keepSelected() {
    // Which items are selected?
    int[] sels = table.getSelectionIndices();
    int size = table.getItemCount();
    // Which items do we delete?
    int[] items = new int[size - sels.length];
    if (items.length == 0) {
        // everything is selected: keep everything, do nothing.
        return;
    }
    // Set the item-indices to delete...
    int nr = 0;
    for (int i = 0; i < table.getItemCount(); i++) {
        boolean selected = false;
        for (int j = 0; j < sels.length && !selected; j++) {
            if (sels[j] == i) {
                selected = true;
            }
        }
        if (!selected) {
            items[nr] = i;
            nr++;
        }
    }
    // Save undo information
    String[][] before = new String[items.length][];
    for (int i = 0; i < items.length; i++) {
        TableItem ti = table.getItem(items[i]);
        before[i] = getItemText(ti);
    }
    TransAction ta = new TransAction();
    ta.setDelete(before, items);
    addUndo(ta);
    // Delete selected items.
    table.remove(items);
    if (table.getItemCount() == 0) {
        TableItem item = new TableItem(table, SWT.NONE);
        // Save undo infomation!
        String[] stritem = getItemText(item);
        ta = new TransAction();
        ta.setNew(new String[][] { stritem }, new int[] { 0 });
        addUndo(ta);
    }
    /*
     * try { table.getRow(); } catch(Exception e) // Index is too high: lower to last available value {
     * setPosition(table.getItemCount()-1, 1); }
     */
    setRowNums();
    setModified();
}

Example 20 with TransAction

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

the class TableView method checkChanged.

private void checkChanged(String[][] before, String[][] after, int[] index) {
    // Did we change anything: if so, add undo information
    if (fieldChanged) {
        TransAction ta = new TransAction();
        ta.setChanged(before, after, index);
        addUndo(ta);
    }
}