Java VisualVertex.getGridPoint Examples

Example #1

File: Grid.java Project: macalicious/Graphioli

  /**
   * Adds the specified {@link VisualVertex} to the Grid.
   *
   * @param visualVertex The VisualVertex to add
   * @return <code>true</code> if the VisualVertex was added successfully to this Grid, <code>false
   *     </code> otherwise
   */
  boolean addVisualVertexToGrid(VisualVertex visualVertex) {
    int positionX = visualVertex.getGridPoint().getPositionX();
    int positionY = visualVertex.getGridPoint().getPositionY();

    // Early negative return if specified GridPoint is invalid
    if (!Validation.isValidGridPoint(
        visualVertex.getGridPoint(), this.horizontalGridPoints, this.verticalGridPoints)) {
      return false;
    }

    // Get VisualVertex at specified GridPoint
    VisualVertex visualVertexAtGridPoint = this.grid[positionX][positionY];

    // Return false if GridPoint is not empty
    if (visualVertexAtGridPoint != null) {
      return false;
    }

    // Add VisualVertex

    this.grid[positionX][positionY] = visualVertex;

    return true;
  }