public void ApplyLineLoad( DrawingPoint p1 , DrawingPoint p2 )
{
// find point indices in list
int index1 = BoundaryPoints.FindIndex( delegate( DrawingPoint p ) { return p == p1; } );
int index2 = BoundaryPoints.FindIndex( delegate( DrawingPoint p ) { return p == p2; } );
// if points were not successfully found
if ( index1 == -1 || index2 == -1 )
{
MessageBox.Show( "Points not found on block." , "Line Load Error" );
return;
}
// ensure max and min as appropriate
if ( ((index1 > index2) && !(index2 == 0 && index1 == BoundaryPoints.Count - 1))
|| (index1 == 0 && index2 == BoundaryPoints.Count - 1) )
{
int tmp = index1;
index1 = index2;
index2 = tmp;
DrawingPoint tmpPt = p1;
p1 = p2;
p2 = tmpPt;
}
// points must be adjacent and different
if ( (index2 - index1) == 1 || (index2 == 0 && index1 == BoundaryPoints.Count - 1) )
{
// check if a line load has already been defined between these two objects
LineLoad load = lineLoads.Find( delegate( LineLoad l ) { return l.Nodes[0] == p1 && l.Nodes[1] == p2; } );
// if undefined, create a new line load object
if ( load == null )
{
load = new LineLoad( canvas , p1 , p2 , false , 0 , 0 , false , 0 , 0 );
//lineLoads.Add( load );
}
bool prevLoadedN = load.IsLoadedN , prevLoadedT = load.IsLoadedT;
// start dialog for user input
AddLineLoadDialog dlg = new AddLineLoadDialog( canvas , load );
dlg.ShowDialog();
// if there is no load in normal or tangential direction, delete the load ...
if ( !load.IsLoadedN && !load.IsLoadedT )
{
load.Delete();
//lineLoads.Remove( load );
canvas.MaterialBlocks.ForEach( delegate( MaterialBlock mb ) { mb.LineLoads.Remove( load ); } );
}
// ... otherwise update its visibility and plotting location
else
{
load.Update();
}
if ( dlg.DialogResult == true )
{
bool newLoadedN = load.IsLoadedN;
if ( newLoadedN != prevLoadedN )
{
for ( int i = 0 ; i < load.PhaseActiveN.Count ; i++ )
{
load.PhaseActiveN[i] = newLoadedN;
load.PhaseFactorN[i] = newLoadedN ? 1.0 : 0.0;
}
}
bool newLoadedT = load.IsLoadedT;
if ( newLoadedT != prevLoadedT )
{
for ( int i = 0 ; i < load.PhaseActiveT.Count ; i++ )
{
load.PhaseActiveT[i] = newLoadedT;
load.PhaseFactorT[i] = newLoadedT ? 1.0 : 0.0;
}
}
canvas.IsSaved = false;
canvas.IsVerified = false;
}
}
else
{
MessageBox.Show( "Points must be different and adjacent." , "Line Load Error" );
}
}
/// <summary>
/// Override for left-click selection
/// </summary>
/// <param name="sender">Reference to sending object.</param>
/// <param name="e">Mouse event arguments.</param>
private void MouseLeftButtonUp( object sender , MouseEventArgs e )
{
if ( canvas != null )
{
if ( canvas.DrawMode == DrawModes.Select
|| canvas.DrawMode == DrawModes.LineLoad )
{
// start dialog for user input
AddLineLoadDialog dlg = new AddLineLoadDialog( canvas , this );
dlg.ShowDialog();
// if there is no load in horizontal or vertical direction, delete the load ...
if ( !this.IsLoadedN && !this.IsLoadedT )
{
this.Delete();
canvas.MaterialBlocks.ForEach( delegate( MaterialBlock mb ) { mb.LineLoads.Remove( this ); } );
//MaterialBlock parent = null;
//foreach ( MaterialBlock mb in canvas.MaterialBlocks )
//{
// if ( mb.LineLoads.Contains( this ) )
// {
// parent = mb;
// break;
// }
//}
//if ( parent != null ) parent.LineLoads.Remove( this );
}
// ... otherwise update its visibility and plotting location
else
{
this.Update();
}
if ( dlg.DialogResult == true )
{
canvas.IsSaved = false;
canvas.IsVerified = false;
}
}
}
else if ( defineCanvas != null )
{
FactorLineLoadDialog dlg = new FactorLineLoadDialog( defineCanvas , this );
dlg.ShowDialog();
this.Update();
}
}