@Override
public void mouseDragged(MouseEvent e) {
currentX = getGraphCoordinateX(e.getX());
currentY = getGraphCoordinateY(e.getY());
if (leftPressed && !rightPressed) // Left click is for arrows
{
/* If left click and drag:
* 1. If clicked on nothing, don't draw anything
* 2. If clicked on bond, draw line from bond (bond checked first because its
* points aren't on the grid system)
* 2. If clicked on element, draw line from element
*/
drawBondLine = false;
if (drawArrowLine == true) {
repaint();
return;
}
MoleculeComponent component = elist.getClickedComponent(e.getX(), e.getY());
if (component != null) {
elist.setSelected(component);
drawArrowLine = true;
}
// Bond bArrowStart = null; //Attempt to find a bond at this point to drag from
// for(Bond b : elist.getBonds())
// {
// if (b.contains(e.getX(), e.getY()))
// {
// System.out.println("YES!");
// bArrowStart = b;
// break;
// }
// else
// {
// System.out.println("NO :(");
// }
// }
//
// Element eArrowStart = elist.getElementAt(roundX, roundY);//Attempt to see if there is an
// element.
// if(eArrowStart == null) //If there is no element at this point...
// {
// if(bArrowStart != null)//Check to see if the bond is null.
// {
// System.out.println("Did it reach here?");
// elist.setSelected(bArrowStart);
// drawArrowLine = true;
// }
// }
// else
// {
// elist.setSelected(elist.getElementAt(eArrowStart.getKey()));//Start the arrow here
// drawArrowLine = true;
// }
}
if (rightPressed && !leftPressed) // Right click is for bonding
{
drawArrowLine = false;
/* Cases to consider:
* 1. If user is already dragging (this should come first!)
* 1. Clicked on element
* 2. Clicked no empty grid space
*/
if (drawBondLine == true) // if the element is already in the process of being bonded
{
repaint();
return; // No need for further steps.
}
currentX = getGraphCoordinateX(e.getX());
currentY = getGraphCoordinateY(e.getY());
Element bondStart = elist.getElementAt(currentX, currentY);
// If this is the initial movement for bonding:
if (bondStart != null) // if bonding began at element
{
elist.setSelected(
elist.getElementAt(bondStart.getKey())); // keep track of the bonding element
drawBondLine = true; // indicate that an arrow should start to be drawn
} else // if nothing is being dragged
{
}
} // */
}
