예제 #1
0
  private void createConnector(ITreeElement from, ITreeElement to, int connectorType) {
    int xPos1 = from.getX();
    int yPos1 = from.getY();
    int xPos2 = to.getX();
    int yPos2 = to.getY();
    Point begin = new Point(0, 0);
    Point end = new Point(0, 0);
    int mode = Connector.HORIZONTAL;
    // connect horizontal if x offset is equal
    int sy1 = height / 2, sy2 = height / 2;
    if (yPos2 > yPos1) {
      sy1 = height;
      sy2 = 0;
    } else if (yPos2 < yPos1) {
      sy1 = 0;
      sy2 = height;
    }
    int sx1 = width / 2, sx2 = width / 2;
    if (xPos2 > xPos1) {
      sx1 = width;
      sx2 = 0;
    }
    if (xPos2 < xPos1) {
      sx1 = 0;
      sx2 = width;
    }
    begin.x = BORDER + xPos1 * (hspacing + width) + sx1;
    begin.y = BORDER + yPos1 * (vspacing + height) + sy1;
    end.x = BORDER + xPos2 * (hspacing + width) + sx2;
    end.y = BORDER + yPos2 * (vspacing + height) + sy2;

    int dX = end.x - begin.x;
    int dY = end.y - begin.y;
    int arrowLength = (int) Math.sqrt((dX * dX) + (dY * dY));
    if (arrowLength > 0) {
      if (mode == Connector.RIGHT) {
        ConnectArrow arrow = new ConnectArrow(begin, end);
        connectors.addConnectArrow(arrow);
      } else {
        ConnectArrow arrow = new ConnectArrow(end, begin);
        connectors.addConnectArrow(arrow);
      }
    } else {
      VersionTreePlugin.log(
          IStatus.ERROR, "Attempt to draw a line between the same begin and end points.");
      return;
    }
  }
예제 #2
0
 public void drawConnectors(ITreeElement node) {
   for (ITreeElement child : node.getChildren()) {
     if (child instanceof IRevision) {
       createConnector(node, child, MergePoint.INITIAL);
       for (MergePoint mergeToPoint : ((IRevision) child).getMergeToRevisions()) {
         IRevision mergeToRevision = mergeToPoint.getMergeRevision();
         for (String brTo : mergeToRevision.getBranchTags()) {
           if (isBranchVisible(brTo)) {
             createConnector(child, mergeToRevision, MergePoint.MERGE);
             break;
           }
         }
       }
       drawConnectors(child);
     } else if (child instanceof IBranch) {
       IBranch childBranch = (IBranch) child;
       if ((!childBranch.isEmpty() || this.getTreeViewConfig().drawEmptyBranches())
           && isBranchVisible(childBranch.getName())) {
         // case when parent is dead revision and child element is branch
         if (!(node instanceof IRevision && ((IRevision) node).getLogEntry().isDeletion())) {
           createConnector(node, child, MergePoint.INITIAL);
         }
         drawConnectors(child);
       }
     }
   }
 }