public BSkySortCtrl()
{
InitializeComponent();
Syntax = "%%VALUE%%";
foreach (object orichild in this.Children)
{
if (orichild is DragDropListForSummarize)
{
//vTargetList = child12 as DragDropList;
// targetListName = value;
//DragList child123;
DragDropListForSummarize oriDragDropList = orichild as DragDropListForSummarize;
oriDragDropList.ItemsSource = new ListCollectionView(new ObservableCollection <object>());
}
}
// dragDropList1.summaryCtrl = true;
// this.CanExecute = true;
//Filter = "String|Numeric|Date|Ordinal|Nominal|Scale";
// TargetAggregate singleItemVar = new TargetAggregate();
// singleItemVar.HorizontalAlignment = HorizontalAlignment.Stretch;
// singleItemVar.VerticalAlignment = VerticalAlignment.Stretch;
// singleItemVar.AutoVar = true;
// singleItemVar.MoveVariables = true;
// singleItemVar.renderVars=false;
//// singleItemVar.HorizontalAlignment=
//// singleItemVar.Width = double.NaN;
//// singleItemVar.Height = double.NaN;
// oneItemList = singleItemVar;
// this.Children.Add(singleItemVar);
// // Aaron 09/16/2013
// //A simple way to access the TargetAggregate oject
// foreach (object child in this.Children)
// {
// if (child.GetType().Name == "TargetAggregate")
// oneItemList = child as TargetAggregate;
// }
}
//Added by Aaron 10/02/2015
//The function checkIfAggregateOptionExists checks all the items within the target listbox looking to see if the user
//has already selected the aggregate option
public bool checkIfAggregateOptionExists(DragDropListForSummarize target, DataSourceVariable sourceitem, string functionName)
{
string aggregateFunction = "";
int count = 0;
int i = 0;
DataSourceVariable ds = null;
//bool retval = false;
aggregateFunction = functionName + "(" + sourceitem.Name + ")";
// target.ite
count = target.ItemsCount;
foreach (object obj in target.Items)
{
ds = obj as DataSourceVariable;
if (ds.XName == aggregateFunction)
{
return(true);
}
//else return false;
}
return(false);
}
//private void ListBox_MouseMove(object sender, MouseButtonEventArgs e)
//{
// if (e.LeftButton == MouseButtonState.Pressed)
// {
// object data = ((ListBox)(FrameworkElement)sender).SelectedItem;
// if (data != null)
// DragDrop.DoDragDrop(this, data, DragDropEffects.Copy);
// }
//}
public override void ListBox_Drop(object sender, DragEventArgs e)
{
DragDropList tempDragDropList = null;
DragDropListForSummarize tempDragDropListForSummarize = null;
Boolean autoVarTemp = false;
if (BSkyCanvas.sourceDrag is DragDropList)
{
tempDragDropList = BSkyCanvas.sourceDrag as DragDropList;
autoVarTemp = tempDragDropList.AutoVar;
}
else if (BSkyCanvas.sourceDrag is DragDropListForSummarize)
{
tempDragDropListForSummarize = BSkyCanvas.sourceDrag as DragDropListForSummarize;
autoVarTemp = tempDragDropListForSummarize.AutoVar;
}
string[] formats = e.Data.GetFormats();
//BSkyCanvas.destDrag = (ListBox)sender;
//The code below disables drag and drop on the source list, added June 16th
int destindex, i, j, sourceindex, noofitems;
System.Windows.Forms.DialogResult diagResult;
//object[] newlist =null;
//Aaron Modified 11/04
//Code below prevents me from doing a move where the source and destination are the source list
if (AutoVar == false && this == (ListBox)BSkyCanvas.sourceDrag)
{
e.Effects = DragDropEffects.None;
return;
}
if (formats.Length > 0)
{
object sourcedata = e.Data.GetData(formats[0]) as object;
ListCollectionView list = this.ItemsSource as ListCollectionView;
if (sourcedata != null)
{
//Soure and destination are different. I copy the selected item to the target
if ((this != (ListBox)BSkyCanvas.sourceDrag) && (AutoVar == false))
{
if (list.IndexOf(sourcedata) < 0)
{
list.AddNewItem(sourcedata);
list.CommitNew();
//this.SelectedItem = d;
//e.Effects = DragDropEffects.All;
this.ScrollIntoView(sourcedata);//AutoScroll
}
else
{
e.Effects = DragDropEffects.None;
}
//this.UnselectAll();
//02/24 Aaron
//This is to signify that since the source and destination are different, we have finished the copy.
//We will go back to the initiation of the drag and drop to see if the source needs to be removed or kept
// in the source listbox. This will be determined by the value of movevariables property
//e.Effects is set to DragDropEffects.Copy to signify that the selected item has been copies to the destination control
e.Effects = DragDropEffects.Copy;
this.SelectedItem = sourcedata;
Focus();
}
//Aaron 09/11/2013
//Here I am moving to a target that has 0 or 1 item
//If the target has 1 item (it cannot have more than one as I prevent this)
//I remove the itemin the target and add it back to the source
//ONE OF THE LISTBOXES MUST BE THE SOURCE LISTBOXES
else if ((this != (ListBox)BSkyCanvas.sourceDrag) && (AutoVar == true) && (autoVarTemp == false))
{
ListCollectionView srcList = BSkyCanvas.sourceDrag.ItemsSource as ListCollectionView;
noofitems = list.Count;
object[] arr = new object[noofitems];
//Adding the items in the target to the source before adding new item to the target
for (i = 0; i < noofitems; i++)
{
arr[i] = list.GetItemAt(i);
srcList.AddNewItem(arr[i]);
srcList.CommitNew();
}
//Removing all items from the target
for (i = 0; i < noofitems; i++)
{
list.Remove(arr[i]);
}
//Adding new item to the target
list.AddNewItem(sourcedata);
list.CommitNew();
// list.Refresh();
this.SelectedItem = sourcedata;
e.Effects = DragDropEffects.Copy;
Focus();
}
//Aaron 09/11/2013
//If the grouping variable target list box has an item, we want to disallow dragging and dropping from another target to the grouping variable target.
//This could crate problems with filter handling
//We want to prompt the user to move the variable in teh grouping variable to the source
else if ((this != (ListBox)BSkyCanvas.sourceDrag) && (autoVarTemp == true) && (AutoVar == true))
{
ListCollectionView srcList = BSkyCanvas.sourceDrag.ItemsSource as ListCollectionView;
noofitems = list.Count;
object[] arr = new object[noofitems];
if (noofitems == 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("Please remove the variable from the grouping variable list before initiating the drag and drop", "Message", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
e.Effects = DragDropEffects.None;
BSkyCanvas.sourceDrag.SelectedItem = null;
this.Focus();
return;
}
//Adding the items in the target to the source before adding new item to the target
for (i = 0; i < noofitems; i++)
{
arr[i] = list.GetItemAt(i);
srcList.AddNewItem(arr[i]);
srcList.CommitNew();
}
//Removing all items from the target
for (i = 0; i < noofitems; i++)
{
list.Remove(arr[i]);
}
//Adding new item to the target
list.AddNewItem(sourcedata);
list.CommitNew();
// list.Refresh();
// this.Focus();
this.SelectedItem = sourcedata;
e.Effects = DragDropEffects.Copy;
this.Focus();
}
//The source and the destination are the same i.e. the target variable
else
{
e.Effects = DragDropEffects.None;
}
} //sourcedata |=null
}
}