Java Code Examples for javax.swing.text.DefaultEditorKit#downAction()

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Example 1
Source File: EditorPaneTesting.java    From netbeans with Apache License 2.0 4 votes vote down vote up 
/**
 * Move/select caret left/right/up/down by directions WEST/EAST/NORTH/SOUTH from SwingConstants.
 *
 * @param context
 * @param direction
 * @throws Exception
 */
public static void moveOrSelect(Context context, int direction, boolean select) throws Exception {
    JEditorPane pane = context.getInstance(JEditorPane.class);
    String actionName;
    String directionName;
    String debugDirection;
    switch (direction) {
        case SwingConstants.WEST:
            actionName = select ? DefaultEditorKit.selectionBackwardAction : DefaultEditorKit.backwardAction;
            directionName = "left";
            debugDirection = "SwingConstants.WEST";
            break;
        case SwingConstants.EAST:
            actionName = select ? DefaultEditorKit.selectionForwardAction : DefaultEditorKit.forwardAction;
            directionName = "right";
            debugDirection = "SwingConstants.EAST";
            break;
        case SwingConstants.NORTH:
            actionName = select ? DefaultEditorKit.selectionUpAction : DefaultEditorKit.upAction;
            directionName = "up";
            debugDirection = "SwingConstants.NORTH";
            break;
        case SwingConstants.SOUTH:
            actionName = select ? DefaultEditorKit.selectionDownAction : DefaultEditorKit.downAction;
            directionName = "down";
            debugDirection = "SwingConstants.SOUTH";
            break;
        default:
            throw new IllegalStateException("Invalid direction=" + direction); // NOI18N
    }
    StringBuilder sb = null;
    if (context.isLogOp()) {
        sb = context.logOpBuilder();
        sb.append(select ? "Selection" : "Cursor").append(' ').append(directionName).append("\n");
        debugCaret(sb, pane).append(" => ");
        sb.append("moveOrSelect(context, ").append(debugDirection).append(", ").append(select).append(")");
        sb.append(" => "); // Fill in after action gets performed
    }
    performAction(context, pane, actionName, null, false);
    if (context.isLogOp()) {
        debugCaret(sb, pane);
        context.logOp(sb);
    }
}