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Initial drag of multiple items

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This commit is contained in:
Tim Young
2017-06-06 15:13:52 -05:00
parent 04f455bf46
commit 693c77cfe0
3 changed files with 99 additions and 5 deletions
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23
EduNetworkBuilder/Network.cs
View File

@@ -392,7 +392,30 @@ namespace EduNetworkBuilder
}
return null;
}
public List<NetworkDevice> DevicesInRectangle(Rectangle area)
{
NetworkDevice tDevice;
Point tPoint;
List<NetworkDevice> thelist = new List<NetworkDevice>();
foreach (NetworkComponent tItem in NetComponents)
{
if (tItem is NetworkDevice)
{
tDevice = (NetworkDevice)tItem;
int tsize = tDevice.Size;
tPoint = tDevice.myLocation();
if (tPoint.X + tsize >= area.X && tPoint.Y +tsize >= area.Y)
{
if (tPoint.X <= area.X + area.Width && tPoint.Y <= area.Y + area.Height)
{
thelist.Add(tDevice);
}
}
}
}
return thelist;
}
public NetworkDevice ItemFromName(string hostname)
{
NetworkDevice tDevice;

76
EduNetworkBuilder/NetworkBuilder.cs
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@@ -47,6 +47,7 @@ namespace EduNetworkBuilder
public Point LastMouseMovePos = new Point(-1, -1);
private NetworkDevice ItemClickedOn = null;
private List<NetworkDevice> ItemsSelected = new List<NetworkDevice>();
private Point OrigClickPoint = new Point(-1, -1);
public BuilderWindow()
{
@@ -919,7 +920,6 @@ namespace EduNetworkBuilder
Point CenteredLocation = myNetwork.clickedPosCentered(e.Location);
Point ClickLocation = myNetwork.clickedPos(e.Location);
NetworkDevice ReleasedOn = myNetwork.ItemAtPosition(ClickLocation);
MouseIsDown = false;
LastBackgroundImage = null;
pbNetworkView.Image = null; //erase old highlight area
LastMouseMovePos = new Point(-1, -1);
@@ -933,7 +933,6 @@ namespace EduNetworkBuilder
pbNetworkView_RightMouseUp(ReleasedOn, e);
return;
}
if (duration.TotalMilliseconds < 250)
{
//This mouse-up is part of a double-click operation. Do an edit
@@ -941,6 +940,54 @@ namespace EduNetworkBuilder
}
else
{
if (MouseIsDown && ItemClickedOn == null && ItemsSelected.Count > 0)
{
//We were dragging stuff. All done now
MouseIsDown = false;
ItemsSelected.Clear(); //clear it so we stop moving these ones
return;
}
if (MouseIsDown && ItemClickedOn == null)
{
//We just finished dragging a select box
//Put them all into the drag box.
ItemsSelected.Clear();
int sx;
int sy;
int swidth;
int sheight;
if (ClickedImageLocation.X > e.Location.X)
{
sx = e.Location.X;
swidth = ClickedImageLocation.X - sx;
}
else
{
sx = ClickedImageLocation.X;
swidth = e.Location.X - sx;
}
if (ClickedImageLocation.Y > e.Location.Y)
{
sy = e.Location.Y;
sheight = ClickedImageLocation.Y - sy;
}
else
{
sy = ClickedImageLocation.Y;
sheight = e.Location.Y - sy;
}
//Now we have a rectangle, but need to exchange numbers for numbers on the image
Point topCorner = myNetwork.clickedPos(new Point(sx, sy));
Point botCorner = myNetwork.clickedPos(new Point(sx + swidth, sy + sheight));
Rectangle selectbox = new Rectangle(topCorner.X, topCorner.Y, botCorner.X - topCorner.X, botCorner.Y - topCorner.Y);
ItemsSelected.AddRange(myNetwork.DevicesInRectangle(selectbox));
Console.WriteLine("Selected " + ItemsSelected.Count + " items");
MouseIsDown = false;
return;
}
MouseIsDown = false;
if (selectedButton == "btnLink")
{
//We are making a link
@@ -1039,6 +1086,7 @@ namespace EduNetworkBuilder
{
Point location = myNetwork.clickedPos(e.Location);
ClickedLocation = location;
OrigClickPoint = myNetwork.clickedPosCentered(e.Location);
ClickedImageLocation = e.Location;
//See if we have clicked on something
ItemClickedOn = myNetwork.ItemAtPosition(location);
@@ -1061,7 +1109,7 @@ namespace EduNetworkBuilder
myNetwork.Invalidate(oldrec);
//set it to the new pos
toMove.ChangeLocation(NewPosition);
toMove.ChangeLocationUnsnapped(NewPosition);
//tell it to draw
toMove.Print(pbNetworkView.BackgroundImage, false);
//invalidate
@@ -1075,12 +1123,30 @@ namespace EduNetworkBuilder
Point CenteredLocation = myNetwork.clickedPosCentered(e.Location);
Point MouseLocation = myNetwork.clickedPos(e.Location);
if (MouseIsDown && LastBackgroundImage != null && ItemClickedOn != null) //We are trying to drag something
if (MouseIsDown && LastBackgroundImage != null && ItemClickedOn != null && ItemsSelected.Count == 0) //We are trying to drag something
{
//find where we are
DragItemToNewLocation(ItemClickedOn, CenteredLocation);
}
else if(MouseIsDown && ItemClickedOn == null) //Dragging an empty area
else if (MouseIsDown && ItemsSelected.Count >0) //dragging multiple items around
{
//Track the difference between the last redraw and this re-draw
//Move every item by that amount.
int xdif = CenteredLocation.X - OrigClickPoint.X ;
int ydif = CenteredLocation.Y - OrigClickPoint.Y;
if (xdif != 0 || ydif != 0)
{
foreach (NetworkDevice nd in ItemsSelected)
{
Point oPoint = nd.myLocation();
Point nPoint = new Point(oPoint.X + xdif, oPoint.Y + ydif);
DragItemToNewLocation(nd, nPoint);
}
}
//Now set the location so we do it from here next time
OrigClickPoint = CenteredLocation;
}
else if (MouseIsDown && ItemClickedOn == null) //Dragging an empty area
{
//make a rectangle
Image tImage = new Bitmap(pbNetworkView.BackgroundImage.Width, pbNetworkView.BackgroundImage.Height);

5
EduNetworkBuilder/NetworkDevice.cs
View File

@@ -706,6 +706,11 @@ namespace EduNetworkBuilder
MyLocation = NB.GetSnapped(Location);
IsDirty = true;
}
public void ChangeLocationUnsnapped(Point Location)
{
MyLocation = Location;
IsDirty = true;
}
public void SetSize(int tSize)
{