use of org.apache.airavata.workflow.model.graph.GraphPiece in project airavata by apache.
the class GraphCanvas method mouseDragged.
private void mouseDragged(MouseEvent event) {
Point point = event.getPoint();
if (editable) {
/*
* Move nodes
*/
if (this.multipleSelectedNodes != null) {
if (point.x < 0) {
point.x = 0;
}
if (point.y < 0) {
point.y = 0;
}
int diffX = point.x - this.mousePoint.x;
int diffY = point.y - this.mousePoint.y;
for (Node node : this.multipleSelectedNodes) {
Point newPoint = new Point();
Point currentPoint = node.getPosition();
newPoint.x = currentPoint.x + diffX;
if (newPoint.x < 0) {
newPoint.x = 0;
}
newPoint.y = currentPoint.y + diffY;
if (newPoint.y < 0) {
newPoint.y = 0;
}
node.setPosition(newPoint);
}
this.panel.repaint();
event.consume();
}
if (this.draggedNode != null) {
if (point.x < 0) {
point.x = 0;
}
if (point.y < 0) {
point.y = 0;
}
int diffX = point.x - this.mousePoint.x;
int diffY = point.y - this.mousePoint.y;
Point newPoint = new Point();
Point currentPoint = this.draggedNode.getPosition();
newPoint.x = currentPoint.x + diffX;
if (newPoint.x < 0) {
newPoint.x = 0;
}
newPoint.y = currentPoint.y + diffY;
if (newPoint.y < 0) {
newPoint.y = 0;
}
this.draggedNode.setPosition(newPoint);
this.panel.repaint();
event.consume();
}
if (this.draggedPort != null) {
GraphPiece piece = NodeController.getGUI(this.graph).getGraphPieceAt(point);
if (piece instanceof Port) {
Port port = (Port) piece;
// pointer.
if (this.draggedPort.getKind() == Kind.DATA_IN && port.getKind() == Kind.DATA_OUT) {
this.panel.setCursor(SwingUtil.CROSSHAIR_CURSOR);
selectOutputPort(port);
} else if (this.draggedPort.getKind() == Kind.DATA_OUT && port.getKind() == Kind.DATA_IN) {
this.panel.setCursor(SwingUtil.CROSSHAIR_CURSOR);
selectInputPort(port);
} else if (this.draggedPort.getKind() == Kind.DATA_IN && port.getKind() == Kind.EPR) {
this.panel.setCursor(SwingUtil.CROSSHAIR_CURSOR);
selectOutputPort(port);
} else if (this.draggedPort.getKind() == Kind.EPR && port.getKind() == Kind.DATA_IN) {
this.panel.setCursor(SwingUtil.CROSSHAIR_CURSOR);
selectInputPort(port);
} else {
this.panel.setCursor(SwingUtil.DEFAULT_CURSOR);
}
} else if (piece instanceof PortAddable) {
PortAddable dynamicNode = (PortAddable) piece;
dynamicNode.getFreeInPort();
this.dynamicNodeWithFreePort = dynamicNode;
} else {
this.panel.setCursor(SwingUtil.DEFAULT_CURSOR);
}
this.panel.repaint();
event.consume();
}
this.mousePoint = point;
// draw rectangle
if (this.mousePointForSelection != null) {
this.panel.repaint();
}
}
}
use of org.apache.airavata.workflow.model.graph.GraphPiece in project airavata by apache.
the class GraphGUI method getGraphPieceAt.
/**
* Returns the visible object at the specified location. The object is either a Node, a Port, or an Edge.
*
* @param point
* The location
* @return The visible object a the specified location
*/
protected GraphPiece getGraphPieceAt(Point point) {
GraphPiece piece = null;
// Starts from edge because it is drawn first, which means it's at the
// bottom.
double minEdgeDist = Double.MAX_VALUE;
Edge closestEdge = null;
for (Edge edge : this.graph.getEdges()) {
double dist = NodeController.getGUI(edge).getMiddlePosition().distance(point);
if (dist < minEdgeDist) {
closestEdge = edge;
minEdgeDist = dist;
}
}
if (minEdgeDist < 20) {
piece = closestEdge;
}
// Then, each node and ports of it.
for (Node node : this.graph.getNodes()) {
// Check the node first
if (NodeController.getGUI(node).isIn(point)) {
piece = node;
}
// Find the closest port of this node.
double minPortDist = Double.MAX_VALUE;
Port closestPort = null;
for (Port port : node.getAllPorts()) {
double dist = NodeController.getGUI(port).getPosition().distance(point);
if (dist < minPortDist) {
closestPort = port;
minPortDist = dist;
}
}
if (minPortDist <= PortGUI.DATA_PORT_SIZE) {
piece = closestPort;
}
// Don't break from this loop because the later ones are drawn at
// the top of other nodes.
}
return piece;
}
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