/// <summary>
/// Removes all items from list collection view.
/// </summary>
/// <param name="theViewToUpdate">The view to update.</param>
public static void RemoveAllItemsFromListCollectionView(this ListCollectionView theViewToUpdate)
{
//remove new item place holder
if (theViewToUpdate.NewItemPlaceholderPosition != NewItemPlaceholderPosition.None)
{
theViewToUpdate.NewItemPlaceholderPosition = NewItemPlaceholderPosition.None;
}
if (theViewToUpdate.Count > 0)
{
int index = 0;
var theItem = theViewToUpdate.GetItemAt(index);
while (theItem != null)
{
theViewToUpdate.Remove(theItem);
if (theViewToUpdate.Count > 0)
{
theItem = theViewToUpdate.GetItemAt(index);
}
else
{
theItem = null;
}
}
theViewToUpdate.Refresh();
}
}
void DeleteCommandExecute(Object parameter)
{
_status = null;
if (MessageBox.Show("确定删除该记录", "警告", MessageBoxButton.OKCancel, MessageBoxImage.Warning) == MessageBoxResult.OK)
{
DBInstance.DeleteRecord(SelectedID);
MainWork mw = parameter as MainWork;
ListCollectionView lcv = (ListCollectionView)CollectionViewSource.GetDefaultView(mw.lvCredentialInfo.ItemsSource);
lcv.Remove(SelectedCredential);
}
}
/// <summary>
/// Remove the specified group from the collection.
/// </summary>
/// <param name="group">The group to remove</param>
private void RemoveGroup(Group group)
{
if (!_groups.Remove(group))
{
throw new ArgumentException("Group " + group.Name + " does not exist");
}
//Remove the group's categories
foreach (Category category in group.Categories)
{
_categories.Remove(category);
}
}
//Added by Aaron 02/24/2013
//The code below is modified to not fire the drag and drop when I am dragging the scroll bar
//If I am dragging and dropping the scroll bar and I accidently mouse over an item in the variable list,
//the problem was the drag and drop was initiated
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (renderVars)
{
return;
}
BSkyCanvas.sourceDrag = (DragDropList)this;
if (e.LeftButton == MouseButtonState.Pressed)
{
//Added by Aaron 02/24/2013
//The function below checks whether the origin of the drag and drop was the scroll bar
if (isscrollbarclickedon(e) == true)
{
return;
}
object data = GetDataFromListBox(this, e.GetPosition(this)) as object;
//02/23/2013 Aaron
//Code below could be used for multi drag and drop
//object data = ((ListBox)(FrameworkElement)this).SelectedItem;
//If the drag and drop was initiated on the scroll bar,data =null
if (data != null)
{
DragDropEffects effs;
ListCollectionView lst = this.ItemsSource as ListCollectionView;
//We have the option to move or copy variables from a listbox
//This is governed by the movevariables property
if (this.MoveVariables)
{
effs = DragDrop.DoDragDrop(this, data, DragDropEffects.Copy | DragDropEffects.Move);
//
if (effs == DragDropEffects.Copy)
{
if (lst.IsAddingNew)
{
lst.CommitNew();
}
lst.Remove(data);
}
}
else
{
effs = DragDrop.DoDragDrop(this, data, DragDropEffects.Copy);
}
}
}
}
private void DeletePerson(object o)
{
ListCollectionView lcv = GetIt <ListCollectionView>(PROP_NAME);
PersonVM selectedPerson = (PersonVM)lcv.CurrentItem;
if (selectedPerson == null)
{
return;
}
lcv.Remove(selectedPerson);
ShowMessage("Selected Person has been removed!");
}
private void DeleteNewBtn_Click(object sender, RoutedEventArgs e)
{
if (lcv.CurrentItem == null)
{
return;
}
EmployeeInfo employeeInfo = lcv.CurrentItem as EmployeeInfo;
if (lcv.CanRemove)
{
lcv.Remove(employeeInfo);
}
}
protected virtual void RemoveCommand(object sender, RoutedEventArgs e)
{
ListCollectionView lc = ListCollectionView;
//if (lc.IsAddingNew)
// lc.CancelNew();
//else
//{
lc.CommitEdit();
foreach (var item in this.SelectedItems.ToArray())
{
lc.Remove(item);
}
}
public void RemoveSelectedItems()
{
ListCollectionView lcw = this.ItemsSource as ListCollectionView;
object[] arr = new object[this.SelectedItems.Count];
int i = 0;
foreach (object obj in this.SelectedItems)
{
arr[i++] = obj;
}
foreach (object obj in arr)
{
lcw.Remove(obj);
}
}
protected DictionaryViewModel(IServiceLocator serviceLocator, IMessageService messageService)
{
_ServiceLocator = serviceLocator;
_MessageService = messageService;
Entities = new ListCollectionView(_Entities);
Entities.CurrentChanged += (sender, args) => DeleteCommand.RaiseCanExecuteChanged();
AddCommand = new DelegateCommand(() =>
{
var viewModel = CreateNewViewModel(CreateNewModel());
var error = viewModel.Error;
if (error == null)
{
viewModel.SaveToDatabase();
_Entities.Add(viewModel);
ClearProperties();
}
else
{
_MessageService.ShowMessage(error, "Ошибка", image: MessageBoxImage.Error);
}
AddCommand.RaiseCanExecuteChanged();
}, CanAdd);
DeleteCommand = new DelegateCommand(() =>
{
if (Entities.CurrentItem != null)
{
var current = Entities.CurrentItem;
Entities.Remove(current);
}
else
{
_MessageService.ShowMessage("Выберите удаляемый элемент", "Ошибка", image: MessageBoxImage.Error);
}
DeleteCommand.RaiseCanExecuteChanged();
}, CanDelete);
}
/// <summary>
/// Removes the items from list collection view.
/// </summary>
/// <param name="theViewToUpdate">The view to update.</param>
/// <param name="theRemoveList">The remove list.</param>
public static void RemoveItemsFromListCollectionView(this ListCollectionView theViewToUpdate, List <object> theRemoveList)
{
//Finish all other state before remove item
if (theViewToUpdate.IsAddingNew)
{
theViewToUpdate.CommitNew();
}
if (theViewToUpdate.IsEditingItem)
{
theViewToUpdate.CommitEdit();
}
//Remove items
foreach (var item in theRemoveList)
{
theViewToUpdate.Remove(item);
}
//theViewToUpdate.Refresh();
}
public static void Clear(this ListCollectionView view)
{
if (view.IsAddingNew)
{
view.CommitNew();
}
if (view.IsEditingItem)
{
view.CommitEdit();
}
if (view.NewItemPlaceholderPosition != NewItemPlaceholderPosition.None)
{
view.NewItemPlaceholderPosition = NewItemPlaceholderPosition.None;
}
while (view.Count > 0)
{
var theItem = view.GetItemAt(0);
view.Remove(theItem);
}
view.Refresh();
}
public override void BSkyBaseButtonCtrl_Click(object sender, RoutedEventArgs e)
{
double maxnoofvars = 0;
int noSelectedItems = 0;
int i = 0;
System.Windows.Forms.DialogResult diagResult;
string varList = "";
string message = "";
DataSourceVariable o;
//Aaron 09/07/2013
//I had to use a list object as I could not create a variable size array object
List <object> validVars = new List <object>();
List <object> invalidVars = new List <object>();
//Added by Aaron 12/24/2013
//You have the ability to move items to a textbox. When moving items to a textbox you don't have to check for filters
//All we do is append the items selected separated by + into the textbox
//We always copy the selected items to the textbox, items are never moved
//We don't have to worry about tag
//Destination is a BSkytargetlist
noSelectedItems = vInputList.SelectedItems.Count;
string newvar = "";
//Checking whether variables moved are allowed by the destination filter
//validVars meet filter requirements
//invalidVars don't meet filter requirements
if (vTargetList != null)
{
if (noSelectedItems == 0)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select a variable from the source variable list before clicking the nesting control", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (vTargetList.GetType().Name == "SingleItemList" && noSelectedItems > 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("You cannot move more than 1 variable into a grouping variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (noSelectedItems > 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select 1 variable at a time from the source variable list to specify a nested effect. You have more than 1 variable selected in the source variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
//Added 10/19/2013
//Added the code below to support listboxes that only allow a pre-specified number of items or less
//I add the number of preexisting items to the number of selected items and if it is greater than limit, I show an error
if (vTargetList.SelectedItems.Count > 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select 1 variable from the source variable list and 1 variable from the target variable to specify a nested effect. You have more than 1 variable selected in the target variable list.", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (vTargetList.SelectedItems.Count == 0)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select 1 variable from the source variable list and 1 variable from the target variable to specify a nested effect. The target variable list is empty. You need to add a variable to the target variable list and then create a nested effect.", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (vTargetList.maxNoOfVariables != string.Empty && vTargetList.maxNoOfVariables != null)
{
try
{
maxnoofvars = Convert.ToDouble(vTargetList.maxNoOfVariables);
//Console.WriteLine("Converted '{0}' to {1}.", vTargetList.maxNoOfVariables, maxnoofvars);
// diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the destination variable list" , "Message", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
catch (FormatException)
{
diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the target variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
catch (OverflowException)
{
diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the target variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
if (maxnoofvars < (noSelectedItems + vTargetList.ItemsCount))
{
//e.Effects = DragDropEffects.None;
//e.Handled = true;
message = "The target variable list cannot have more than " + vTargetList.maxNoOfVariables + " variable(s). Please reduce your selection or remove variables from the target list";
diagResult = System.Windows.Forms.MessageBox.Show(message, "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
}
DataSourceVariable inputVar = vInputList.SelectedItems[0] as DataSourceVariable;
// vTargetList.ItemsSource
//vTargetList.ItemsSource
//Preferred
ListCollectionView temp;
temp = vTargetList.ItemsSource as ListCollectionView;
int selectedIndex = 0;
selectedIndex = vTargetList.SelectedIndex;
int count = vTargetList.ItemsCount;
for (i = 0; i < count; i++)
{
validVars.Add(vTargetList.Items[i]);
}
ListCollectionView lcw = vTargetList.ItemsSource as ListCollectionView;
foreach (object obj in validVars)
{
lcw.Remove(obj);
}
DataSourceVariable ds = validVars[selectedIndex] as DataSourceVariable;
// DataSourceVariable ds = preview[index] as DataSourceVariable;
//DataSourceVariable ds = new DataSourceVariable();
newvar = inputVar.Name + "(" + ds.Name + ")";
ds.XName = newvar;
ds.Name = newvar;
ds.RName = newvar;
ds.Measure = inputVar.Measure;
ds.DataType = inputVar.DataType;
ds.Width = inputVar.Width;
ds.Decimals = inputVar.Decimals;
ds.Label = inputVar.Label;
ds.Alignment = inputVar.Alignment;
ds.ImgURL = inputVar.ImgURL;
validVars[selectedIndex] = ds;
// vTargetList.ItemsSource = preview;
// validVars.Add(ds as object);
// vTargetList.AddItems(validVars);
// vInputList.SelectedItems[i]
// validVars.Add(vInputList.SelectedItems[1]);
vTargetList.AddItems(validVars);
//The code below unselects everything
// vTargetList.UnselectAll();
//The code below selects all the items that are moved
// vTargetList.SetSelectedItems(validVars);
//vTargetList.SetSelectedItems(arr1);
//Added by Aaron on 12/24/2012 to get the items moved scrolled into view
//Added by Aaron on 12/24/2012. Value is 0 as you want to scroll to the top of the selected items
// vTargetList.ScrollIntoView(validVars[0]);
//if (vInputList.MoveVariables)
//The compiler is not allowing me to use vInputList.Items.Remove() so I have to use ItemsSource
//{
// ListCollectionView lcw = vInputList.ItemsSource as ListCollectionView;
//foreach (object obj in validVars) lcw.Remove(obj);
//}
vTargetList.ScrollIntoView(validVars[selectedIndex]);
vTargetList.Focus();
}
//Added by Aaron 07/22/2015
//This is a valid point
//else
//{
// vTargetList.AddItems(validVars);
// //The code below unselects everything
// vTargetList.UnselectAll();
// //The code below selects all the items that are moved
// vTargetList.SetSelectedItems(validVars);
// //Added by Aaron on 12/24/2012 to get the items moved scrolled into view
// //Added by Aaron on 12/24/2012. Value is 0 as you want to scroll to the top of the selected items
// vTargetList.ScrollIntoView(validVars[0]);
//}
/* if (vInputList.MoveVariables)
* //The compiler is not allowing me to use vInputList.Items.Remove() so I have to use ItemsSource
* //{
* ListCollectionView lcw = vInputList.ItemsSource as ListCollectionView;
* foreach (object obj in validVars) lcw.Remove(obj);
* //} */
if (vTargetList != null)
{
vTargetList.Focus();
}
//Added by Aaron 08/13/2014
//This is for the case that I am moving a variable year to a target list that already contains year
//validvars.count is 0 as I have already detercted its in the target variable. I now want to high light it in the targetvariable
/* if (validVars.Count == 0)
* {
* List<object> firstitem = new List<object>();
* firstitem.Add(vInputList.SelectedItems[0]);
*
* if (vTargetList != null)
* {
*
* if (vTargetList.Items.Contains(vInputList.SelectedItems[0]))
* {
* vTargetList.SetSelectedItems(firstitem);
* vTargetList.Focus();
* }
* }
*
* } */
//If there are variables that don't meet filter criteria, inform the user
if (invalidVars.Count > 0)
{
string cantMove = string.Join(",", invalidVars.ToArray());
System.Windows.Forms.DialogResult result = System.Windows.Forms.MessageBox.Show("The variable(s) \"" + cantMove + "\" cannot be moved, the destination variable list does not allow variables of that type", "Save Changes", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
}
public virtual void ListBox_Drop(object sender, DragEventArgs e)
{
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;
//object[] newlist =null;
//Aaron Modified 11/04
if (AutoVar == false && this == 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
if (this != BSkyCanvas.sourceDrag)
{
//AARON ADD YOUR CODE HERE
//Added by Aaron 10/02/2015
//Dragdroplist for summarize is used in 2 places
//The aggregatre control and the sort control
//In the aggregate control, I need to support copying variables as I need //to support mean(var1), median(var1)...
//To support the above use case, I create a new data variable object
//The new object when moved from the target to the source can create a
//duplicate variable
//The line below, prevents the addition of the new variable and gets triggered only on the sort
//SO BASICALLY IF I AM MOVING ITEMS TO THE SOURCE VARIABLE FROM THE AGGREGATE CONTROL NO NEW VARIABLES ARE EVER CREATED IN THE SOURCE VARIABLE
//NEW VARIABLES ARE CREATED ONLY WITH THE SORT CONTROL
if (this.MoveVariables == true)
{
if (list.IndexOf(sourcedata) < 0)
{
list.AddNewItem(sourcedata);
list.CommitNew();
//this.SelectedItem = d;
//e.Effects = DragDropEffects.All;
this.ScrollIntoView(sourcedata);//AutoScroll
}
}
//Aaron 09/11/2013 Commented 2 lines below
//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 = DragDropEffects.Copy;
this.SelectedItem = sourcedata;
Focus();
}
//The source and the destination are the same i.e. the target variable
else
{
object destdata = GetDataFromListBox(this, e.GetPosition(this)) as object;
if (destdata == sourcedata)
{
return;
}
destindex = list.IndexOf(destdata);
noofitems = list.Count;
object[] newlist = new object[noofitems];
sourceindex = list.IndexOf(sourcedata);
if (destindex != sourceindex)
{
//This is the case of move to the end
if (destindex == -1)
{
for (i = 0; i < noofitems; i++)
{
if (i == sourceindex)
{
while (i <= (noofitems - 2))
{
newlist[i] = list.GetItemAt(i + 1);
i = i + 1;
}
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} //End of move to the end
else
{
if (destindex < sourceindex)
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
while (j < noofitems)
{
if (j != sourceindex)
{
newlist[i] = list.GetItemAt(j);
i = i + 1;
}
j = j + 1;
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} ////End when sourceindex > destindex
else if (sourceindex < destindex) //I have tested this
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == sourceindex)
{
j = j + 1;
while (i < noofitems)
{
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(j);
j = j + 1;
i = i + 1;
}
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
//End of for loop
} //end of destindex > sourceindex
//end of else if
}
//end of else
//End of the case move to end
}
//end of case destindex !=source index
if (list.IsAddingNew)
{
list.CommitNew();
}
for (i = 0; i < noofitems; i++)
{
list.Remove(newlist[i]);
}
for (i = 0; i < noofitems; i++)
{
list.AddNewItem(newlist[i]);
list.CommitNew();
//this.ScrollIntoView(newlist[i]);//AutoScroll
}
list.Refresh();
this.SelectedItem = sourcedata;
//02/24 Aaron
//This is to signify that since the source and destination is the same, we have performed a move
e.Effects = DragDropEffects.Move;
}
//end of source and destination and the same (target listbox
}
//sourcedata |=null
}
//formats.length >0
}
public virtual void ListBox_Drop(object sender, DragEventArgs e)
{
string functionName;
bool doesAggOptionExist = false;
string[] formats = e.Data.GetFormats();
int firstpos = 0;
int lastpos = 0;
bool filterResults = false;
//BSkyCanvas.destDrag = (ListBox)sender;
//The code below disables drag and drop on the source list, added June 16th
int destindex, i, j, sourceindex, noofitems;
//object[] newlist =null;
//Aaron Modified 11/04
if (AutoVar == false && this == 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
if (this != BSkyCanvas.sourceDrag)
{
//Added by Aaron 07/22/2015
if (list.IndexOf(sourcedata) < 0)
{
//Added by Aaron 07/22/2015
//a dragdrop list class has a property summary control. This indicates that it is used
//in a summary control. If this is true, i have to prefix the variable name by the
//function name in the combo box
//if (this.summaryCtrl == true)
//{
functionName = getFunctionFromComboBox();
DataSourceVariable ds = sourcedata as DataSourceVariable;
if (functionName != "asc")
{
ds.XName = functionName + "(" + ds.RName + ")";
}
else
{
ds.XName = ds.RName;
}
//ds.XName = functionName + "(" + ds.RName + ")";
list.AddNewItem(ds);
list.CommitNew();
//}
//else
//{
//Added by Aaron 07/22/2015
//If I am moving the variable back from a drag drop that is associated with a summary control, I need to remove the sumarizing function
//if (BSkyCanvas.sourceDrag is DragDropListForSummarize)
//{
// DataSourceVariable ds1 = sourcedata as DataSourceVariable;
// firstpos = ds1.Name.IndexOf(@"(");
// lastpos = ds1.Name.IndexOf(@")");
// ds1.XName = ds1.XName.Substring(firstpos+1, (lastpos - (firstpos+1)));
//}
// list.AddNewItem(sourcedata);
// list.CommitNew();
//}
//this.SelectedItem = d;
//e.Effects = DragDropEffects.All;
this.ScrollIntoView(sourcedata);//AutoScroll
}
else
{
//Check if the aggregate option is already present
functionName = getFunctionFromComboBox();
doesAggOptionExist = checkIfAggregateOptionExists(this, sourcedata as DataSourceVariable, functionName);
DataSourceVariable ds = sourcedata as DataSourceVariable;
if (!doesAggOptionExist)
{
DataSourceVariable newds = new DataSourceVariable();
//31Jul2016 9:43AM :Anil: line will not work as we moved RNAME out of the Name property in DataSource: newds.Name = ds.RName; //RName can support A.2 as col name
newds.RName = ds.RName; //Anil: This fixes: 31Jul2016 9:43AM
newds.XName = ds.XName;
newds.DataType = ds.DataType;
newds.DataClass = ds.DataClass;
newds.Width = ds.Width;
newds.Decimals = ds.Decimals;
newds.Label = ds.Label;
newds.Values = ds.Values;
newds.Missing = ds.Missing;
newds.MissType = ds.MissType;
newds.Columns = ds.Columns;
newds.Measure = ds.Measure;
newds.ImgURL = ds.ImgURL;
filterResults = this.CheckForFilter(newds);
if (filterResults)
{
if (functionName != "asc")
{
newds.XName = functionName + "(" + newds.RName + ")";
}
else
{
newds.XName = newds.RName;
}
//newds.XName = functionName + "(" + ds.RName + ")";
list.AddNewItem(newds);
list.CommitNew();
this.ScrollIntoView(newds);//AutoScroll
}
// else
// {
// invalidVars.Add(vInputList.SelectedItems[i]);
// }
}
}
//Aaron 09/11/2013 Commented 2 lines below
//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 = DragDropEffects.Copy;
this.SelectedItem = sourcedata;
Focus();
}
//The source and the destination are the same i.e. the target variable
else
{
object destdata = GetDataFromListBox(this, e.GetPosition(this)) as object;
if (destdata == sourcedata)
{
return;
}
destindex = list.IndexOf(destdata);
noofitems = list.Count;
object[] newlist = new object[noofitems];
sourceindex = list.IndexOf(sourcedata);
if (destindex != sourceindex)
{
//This is the case of move to the end
if (destindex == -1)
{
for (i = 0; i < noofitems; i++)
{
if (i == sourceindex)
{
while (i <= (noofitems - 2))
{
newlist[i] = list.GetItemAt(i + 1);
i = i + 1;
}
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} //End of move to the end
else
{
if (destindex < sourceindex)
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
while (j < noofitems)
{
if (j != sourceindex)
{
newlist[i] = list.GetItemAt(j);
i = i + 1;
}
j = j + 1;
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} ////End when sourceindex > destindex
else if (sourceindex < destindex) //I have tested this
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == sourceindex)
{
j = j + 1;
while (i < noofitems)
{
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(j);
j = j + 1;
i = i + 1;
}
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
//End of for loop
} //end of destindex > sourceindex
//end of else if
}
//end of else
//End of the case move to end
}
//end of case destindex !=source index
if (list.IsAddingNew)
{
list.CommitNew();
}
for (i = 0; i < noofitems; i++)
{
list.Remove(newlist[i]);
}
for (i = 0; i < noofitems; i++)
{
list.AddNewItem(newlist[i]);
list.CommitNew();
//this.ScrollIntoView(newlist[i]);//AutoScroll
}
list.Refresh();
this.SelectedItem = sourcedata;
//02/24 Aaron
//This is to signify that since the source and destination is the same, we have performed a move
e.Effects = DragDropEffects.Move;
}
//end of source and destination and the same (target listbox
}
//sourcedata |=null
}
//formats.length >0
}
public virtual void ListBox_Drop(object sender, DragEventArgs e)
{
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;
//object[] newlist =null;
//Aaron Modified 11/04
if (AutoPopulate == true && this == BSkyCanvas.sourceDataset)
{
e.Effects = DragDropEffects.None;
return;
}
if (formats.Length > 0)
{
object sourcedata = e.Data.GetData(formats[0]) as object;
// List<DatasetDisplay> listOfDisplayStrings = new List<DatasetDisplay>();
// this.ItemsSource = new ListCollectionView(new ObservableCollection<object>());
ListCollectionView list = this.ItemsSource as ListCollectionView;
if (sourcedata != null)
{
//Soure and destination are different
//if (this != BSkyCanvas.sourceDrag)
if (this != BSkyCanvas.sourceDataset)
{
if (list.IndexOf(sourcedata) < 0)
{
// this.ItemsSource = new ListCollectionView(new ObservableCollection<DatasetDisplay>());
// ListCollectionView list = this.ItemsSource as ListCollectionView;
list.AddNewItem(sourcedata);
list.CommitNew();
//this.SelectedItem = d;
//e.Effects = DragDropEffects.All;
this.ScrollIntoView(sourcedata);//AutoScroll
}
//Aaron 09/11/2013 Commented 2 lines below
//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 = DragDropEffects.Copy;
this.SelectedItem = sourcedata;
Focus();
}
//The source and the destination are the same i.e. the target variable
else
{
object destdata = GetDataFromListBox(this, e.GetPosition(this)) as object;
if (destdata == sourcedata)
{
return;
}
destindex = list.IndexOf(destdata);
noofitems = list.Count;
object[] newlist = new object[noofitems];
sourceindex = list.IndexOf(sourcedata);
if (destindex != sourceindex)
{
//This is the case of move to the end
if (destindex == -1)
{
for (i = 0; i < noofitems; i++)
{
if (i == sourceindex)
{
while (i <= (noofitems - 2))
{
newlist[i] = list.GetItemAt(i + 1);
i = i + 1;
}
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} //End of move to the end
else
{
if (destindex < sourceindex)
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
while (j < noofitems)
{
if (j != sourceindex)
{
newlist[i] = list.GetItemAt(j);
i = i + 1;
}
j = j + 1;
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
} ////End when sourceindex > destindex
else if (sourceindex < destindex) //I have tested this
{
for (i = 0; i < noofitems; i++)
{
j = i;
if (i == sourceindex)
{
j = j + 1;
while (i < noofitems)
{
if (i == destindex)
{
newlist[i] = list.GetItemAt(sourceindex);
i = i + 1;
}
else
{
newlist[i] = list.GetItemAt(j);
j = j + 1;
i = i + 1;
}
}
}
else
{
newlist[i] = list.GetItemAt(i);
}
}
//End of for loop
} //end of destindex > sourceindex
//end of else if
}
//end of else
//End of the case move to end
}
//end of case destindex !=source index
if (list.IsAddingNew)
{
list.CommitNew();
}
for (i = 0; i < noofitems; i++)
{
list.Remove(newlist[i]);
}
for (i = 0; i < noofitems; i++)
{
list.AddNewItem(newlist[i]);
list.CommitNew();
//this.ScrollIntoView(newlist[i]);//AutoScroll
}
list.Refresh();
this.SelectedItem = sourcedata;
//02/24 Aaron
//This is to signify that since the source and destination is the same, we have performed a move
e.Effects = DragDropEffects.Move;
}
//end of source and destination and the same (target listbox
}
//sourcedata |=null
}
//formats.length >0
}
public override void BSkyBaseButtonCtrl_Click(object sender, RoutedEventArgs e)
{
double maxnoofvars = 0;
int noSelectedItems = 0;
int i = 0;
System.Windows.Forms.DialogResult diagResult;
string varList = "";
string message = "";
DataSourceVariable o;
//Aaron 09/07/2013
//I had to use a list object as I could not create a variable size array object
List <object> validVars = new List <object>();
List <object> invalidVars = new List <object>();
//Added by Aaron 12/24/2013
//You have the ability to move items to a textbox. When moving items to a textbox you don't have to check for filters
//All we do is append the items selected separated by + into the textbox
//We always copy the selected items to the textbox, items are never moved
//We don't have to worry about tag
//Destination is a BSkytargetlist
noSelectedItems = vInputList.SelectedItems.Count;
string newvar = "";
//Checking whether variables moved are allowed by the destination filter
//validVars meet filter requirements
//invalidVars don't meet filter requirements
if (vTargetList != null)
{
if (noSelectedItems == 0)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select a variable from the source variable list before clicking the move button", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (vTargetList.GetType().Name == "SingleItemList" && noSelectedItems > 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("You cannot move more than 1 variable into a grouping variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
if (noSelectedItems > 1)
{
diagResult = System.Windows.Forms.MessageBox.Show("You need to select 1 variable at a time to specify polynomial critera", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
//Added 10/19/2013
//Added the code below to support listboxes that only allow a pre-specified number of items or less
//I add the number of preexisting items to the number of selected items and if it is greater than limit, I show an error
if (vTargetList.maxNoOfVariables != string.Empty && vTargetList.maxNoOfVariables != null)
{
try
{
maxnoofvars = Convert.ToDouble(vTargetList.maxNoOfVariables);
//Console.WriteLine("Converted '{0}' to {1}.", vTargetList.maxNoOfVariables, maxnoofvars);
// diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the destination variable list" , "Message", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
catch (FormatException)
{
diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the target variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
catch (OverflowException)
{
diagResult = System.Windows.Forms.MessageBox.Show("An invalid value has been entered for the maximum number of variables in the target variable list", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
if (maxnoofvars < (noSelectedItems + vTargetList.ItemsCount))
{
//e.Effects = DragDropEffects.None;
//e.Handled = true;
message = "The target variable list cannot have more than " + vTargetList.maxNoOfVariables + " variable(s). Please reduce your selection or remove variables from the target list";
diagResult = System.Windows.Forms.MessageBox.Show(message, "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
return;
}
}
object objspin = GetResource(TextBoxForpolynomialOrder);
if (objspin == null || (!(objspin is BSkySpinnerCtrl)))
{
MessageBox.Show("Unable to associate this polynomial control with a Spinner control on the same canvas, you must specify a spinner control");
return;
}
//If there are valid variables then move them
BSkySpinnerCtrl spin = objspin as BSkySpinnerCtrl;
// IList<DataSourceVariable> Items = new List<DataSourceVariable>();
List <DataSourceVariable> Items = new List <DataSourceVariable>();
DataSourceVariable inputVar = vInputList.SelectedItems[0] as DataSourceVariable;
int polynomialdegree = Int32.Parse(spin.text.Text);
int startingpolynomialdegree = 1;
bool itemIsInTarget = false;
//Lets say the degree of the polynomial is 4, so engine^4, then we need to add
//I(engine^4) and I(engine^3) and I(engine^2) and I(engine^1)
//Now if you add I(engine^5), only I(engine^5) should be added as I(engine^4) are already there
while (polynomialdegree != 0)
{
newvar = "I(" + inputVar.Name + "^" + startingpolynomialdegree + ")";
//Preferred way
DataSourceVariable ds = new DataSourceVariable();
ds.XName = newvar;
ds.Name = newvar;
ds.RName = newvar;
ds.Measure = inputVar.Measure;
ds.DataType = inputVar.DataType;
ds.Width = inputVar.Width;
ds.Decimals = inputVar.Decimals;
ds.Label = inputVar.Label;
ds.Alignment = inputVar.Alignment;
ds.ImgURL = inputVar.ImgURL;
if (vTargetList.ItemsCount == 0)
{
Items.Add(ds);
}
else
{
foreach (DataSourceVariable obj in vTargetList.Items)
{
if (obj.RName == ds.RName)
{
itemIsInTarget = true;
}
}
if (!itemIsInTarget)
{
Items.Add(ds);
}
}
polynomialdegree = polynomialdegree - 1;
startingpolynomialdegree = startingpolynomialdegree + 1;
itemIsInTarget = false;
}
//vTargetList.SetSelectedItems(arr1);
//Added by Aaron on 12/24/2012 to get the items moved scrolled into view
//Added by Aaron on 12/24/2012. Value is 0 as you want to scroll to the top of the selected items
if (Items.Count != 0)
{
vTargetList.AddItems(Items);
vTargetList.ScrollIntoView(Items[0]);
}
// Added by Aaron 06/09/2020
// We will never remove the variable being moved from the source variable list
// if (vInputList.MoveVariables)
////The compiler is not allowing me to use vInputList.Items.Remove() so I have to use ItemsSource
//{
// ListCollectionView lcw = vInputList.ItemsSource as ListCollectionView;
// foreach (object obj in validVars) lcw.Remove(obj);
// }
vTargetList.Focus();
}
//Added by Aaron 07/22/2015
//This is a valid point
//else
//{
// vTargetList.AddItems(validVars);
// //The code below unselects everything
// vTargetList.UnselectAll();
// //The code below selects all the items that are moved
// vTargetList.SetSelectedItems(validVars);
// //Added by Aaron on 12/24/2012 to get the items moved scrolled into view
// //Added by Aaron on 12/24/2012. Value is 0 as you want to scroll to the top of the selected items
// vTargetList.ScrollIntoView(validVars[0]);
//}
if (vInputList.MoveVariables)
//The compiler is not allowing me to use vInputList.Items.Remove() so I have to use ItemsSource
{
ListCollectionView lcw = vInputList.ItemsSource as ListCollectionView;
foreach (object obj in validVars)
{
lcw.Remove(obj);
}
}
if (vTargetList != null)
{
vTargetList.Focus();
}
//Added by Aaron 08/13/2014
//This is for the case that I am moving a variable year to a target list that already contains year
//validvars.count is 0 as I have already detercted its in the target variable. I now want to high light it in the targetvariable
if (validVars.Count == 0)
{
List <object> firstitem = new List <object>();
firstitem.Add(vInputList.SelectedItems[0]);
if (vTargetList != null)
{
if (vTargetList.Items.Contains(vInputList.SelectedItems[0]))
{
vTargetList.SetSelectedItems(firstitem);
vTargetList.Focus();
}
}
}
//If there are variables that don't meet filter criteria, inform the user
if (invalidVars.Count > 0)
{
string cantMove = string.Join(",", invalidVars.ToArray());
System.Windows.Forms.DialogResult result = System.Windows.Forms.MessageBox.Show("The variable(s) \"" + cantMove + "\" cannot be moved, the destination variable list does not allow variables of that type", "Save Changes", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Question);
}
}
//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
}
}
