/// <summary>
/// Responds to mouse dragged events by moving around the box representing
/// the viewable network area, and also making the large network display change to show that area. </summary>
/// <param name="event"> the MouseEvent that happened. </param>
public virtual void mouseDragged(MouseEvent @event)
{
if (__inDrag)
{
if (@event.getX() < __leftX || @event.getX() > __leftX + __totalWidth)
{
return;
}
if (@event.getY() < __bottomY || @event.getY() > __bottomY + __totalHeight)
{
return;
}
__inDrag = true;
GRLimits data = __networkJComponent.getTotalDataLimits();
int width = __totalWidth;
double pct = (double)(@event.getX() - __leftX) / (double)width;
int nw = (int)data.getWidth();
int xPoint = (int)((nw * pct) + data.getLeftX());
int height = __totalHeight;
pct = (double)(height - @event.getY() + __bottomY) / (double)height;
int nh = (int)data.getHeight();
int yPoint = (int)((nh * pct) + data.getBottomY());
int x = xPoint - __xAdjust;
int y = yPoint - __yAdjust;
__networkJComponent.setViewPosition(x, y);
}
}
/// <summary>
/// Converts an X value from being scaled for drawing units to be scaled for data units. </summary>
/// <param name="x"> the x value to scale. </param>
/// <returns> the x value scaled to fit in the data units. </returns>
public virtual double convertX(double x)
{
GRLimits data = __drawingArea.getDataLimits();
GRLimits draw = __drawingArea.getDrawingLimits();
double newX = (data.getLeftX() + (x / draw.getWidth()) * data.getWidth());
return(newX);
}
/// <summary>
/// Responds to mouse pressed events. If the mouse was clicked within the box that
/// represents the viewable network area, then that view can be dragged around and
/// will be represented in the large display. Otherwise, the view is re-centered
/// around the mouse click point. </summary>
/// <param name="event"> the MouseEvent that happened. </param>
public virtual void mousePressed(MouseEvent @event)
{
if (@event.getX() < __leftX || @event.getX() > __leftX + __totalWidth)
{
return;
}
if (@event.getY() < __bottomY || @event.getY() > __bottomY + __totalHeight)
{
return;
}
__inDrag = true;
GRLimits data = __networkJComponent.getTotalDataLimits();
int width = __totalWidth;
double pct = (double)(@event.getX() - __leftX) / (double)width;
int nw = (int)data.getWidth();
int xPoint = (int)((nw * pct) + data.getLeftX());
int height = __totalHeight;
pct = (double)(height - @event.getY() + __bottomY) / (double)height;
int nh = (int)data.getHeight();
int yPoint = (int)((nh * pct) + data.getBottomY());
GRLimits limits = __networkJComponent.getVisibleDataLimits();
int lx = (int)limits.getLeftX();
int by = (int)limits.getBottomY();
int rx = (int)limits.getRightX();
int ty = (int)limits.getTopY();
int w = rx - lx;
int h = ty - by;
// If the mouse was clicked in a point outside of the display box,
// the box is re-centered on the point and the network display is updated to show that area
__xAdjust = (w / 2);
__yAdjust = (h / 2);
int x = xPoint - __xAdjust;
int y = yPoint - __yAdjust;
__networkJComponent.setViewPosition(x, y);
}
/// <summary>
/// Draws the outline of the legend.
/// </summary>
public virtual void drawLegend()
{
GRLimits l = __networkJComponent.getLegendDataLimits();
if (l == null)
{
return;
}
GRDrawingAreaUtil.setColor(__drawingArea, GRColor.white);
double lx = l.getLeftX();
double by = l.getBottomY();
double rx = l.getRightX();
double ty = l.getTopY();
GRDrawingAreaUtil.fillRectangle(__drawingArea, lx, by, l.getWidth(), l.getHeight());
GRDrawingAreaUtil.setColor(__drawingArea, GRColor.black);
GRDrawingAreaUtil.drawLine(__drawingArea, lx, by, rx, by);
GRDrawingAreaUtil.drawLine(__drawingArea, lx, ty, rx, ty);
GRDrawingAreaUtil.drawLine(__drawingArea, lx, by, lx, ty);
GRDrawingAreaUtil.drawLine(__drawingArea, rx, by, rx, ty);
}