/// <summary>
/// Thumb drag completed event handler
/// </summary>
private void MoveThumbDragCompleted(object sender, DragCompletedEventArgs e)
{
if (this.DataContext is BaseQuestionViewModel)
{
// move question
BaseQuestionViewModel questionViewModel = (BaseQuestionViewModel)this.DataContext;
double deltaTop = this.startTop - questionViewModel.Top;
double deltaLeft = this.startLeft - questionViewModel.Left;
if (Math.Abs(deltaTop) > 0.01 || Math.Abs(deltaLeft) > 0.01)
{
if (questionViewModel.ParentTemplate != null)
{
// moving choicebox question, check all other selected questions
List <BaseQuestionViewModel> selectedItems = questionViewModel.ParentTemplate.SelectedElements.ToList();
ActionTracker.TrackChangeQuestionsPosition(selectedItems, deltaTop, deltaLeft, 1, 1);
if (questionViewModel.ParentTemplate.GotSnapLines)
{
questionViewModel.ParentTemplate.CleanSnapLines();
}
}
else if (questionViewModel is ChoiceBoxViewModel)
{
if (((ChoiceBoxViewModel)questionViewModel).ParentGrid != null)
{
// moving choicebox child of grid question
ActionTracker.TrackChangeQuestionsPosition(new List <BaseQuestionViewModel>()
{
questionViewModel
}, deltaTop, deltaLeft, 1, 1);
}
}
}
if (questionViewModel.ParentTemplate != null)
{
if (questionViewModel.ParentTemplate.GotSnapLines)
{
questionViewModel.ParentTemplate.CleanSnapLines();
}
}
}
else if (this.DataContext is BubbleViewModel)
{
// move bubble
BubbleViewModel bubbleViewModel = (BubbleViewModel)this.DataContext;
double deltaTop = this.bubbleStartTop - bubbleViewModel.Top;
double deltaLeft = this.bubbleStartLeft - bubbleViewModel.Left;
if (Math.Abs(deltaTop) > 0.01 || Math.Abs(deltaLeft) > 0.01)
{
ActionTracker.TrackChangeBubble(new List <BubbleViewModel> {
bubbleViewModel
}, deltaTop, deltaLeft, 1, 1);
}
}
}
/// <summary>
/// Thumb drag started event handler
/// </summary>
private void ResizeThumbDragStarted(object sender, DragStartedEventArgs e)
{
if (this.DataContext is BaseQuestionViewModel)
{
// resize question
BaseQuestionViewModel questionViewModel = (BaseQuestionViewModel)this.DataContext;
// remember starting top and left position for measuring delta when drag is completed
this.startWidth = questionViewModel.Width;
this.startHeight = questionViewModel.Height;
this.startTop = questionViewModel.Top;
this.startLeft = questionViewModel.Left;
}
else if (this.DataContext is BubbleViewModel)
{
// resize bubble
BubbleViewModel bubbleViewModel = (BubbleViewModel)this.DataContext;
BubbleViewModel bubble = bubbleViewModel.ParentQuestion.Bubbles[0];
this.bubbleStartWidth = bubble.Width;
this.bubbleStartHeight = bubble.Height;
this.bubbleStartTop = bubble.Top;
this.bubbleStartLeft = bubble.Left;
}
}
private void ChangeOriginalQuestions(int i, BaseQuestionViewModel ethalonQuestion)
{
if (this.questions[i] is ChoiceBoxViewModel)
{
ChoiceBoxViewModel choiceBox = (ChoiceBoxViewModel)this.questions[i];
ChoiceBoxViewModel target = (ChoiceBoxViewModel)ethalonQuestion;
this.ApplyChanges(choiceBox, target);
}
else if (this.questions[i] is GridViewModel)
{
GridViewModel grid = (GridViewModel)this.questions[i];
GridViewModel target = (GridViewModel)ethalonQuestion;
this.ApplyChanges(grid, target);
}
}
/// <summary>
/// Thumb drag started event handler
/// </summary>
private void MoveThumbDragStarted(object sender, DragStartedEventArgs e)
{
if (this.DataContext is BaseQuestionViewModel)
{
// move question
BaseQuestionViewModel questionViewModel = (BaseQuestionViewModel)this.DataContext;
this.startTop = questionViewModel.Top;
this.startLeft = questionViewModel.Left;
}
else if (this.DataContext is BubbleViewModel)
{
// move bubble
BubbleViewModel bubbleViewModel = (BubbleViewModel)this.DataContext;
this.bubbleStartTop = bubbleViewModel.Top;
this.bubbleStartLeft = bubbleViewModel.Left;
}
}
/// <summary>
/// Thumb drag completed event handler
/// </summary>
private void ResizeThumbDragCompleted(object sender, DragCompletedEventArgs e)
{
if (this.DataContext is BaseQuestionViewModel)
{
// resize question
BaseQuestionViewModel questionViewModel = (BaseQuestionViewModel)this.DataContext;
double deltaTop = this.startTop - questionViewModel.Top;
double deltaLeft = this.startLeft - questionViewModel.Left;
double widthKoef = this.startWidth / questionViewModel.Width;
double heightKoef = this.startHeight / questionViewModel.Height;
if (questionViewModel.ParentTemplate != null)
{
List<BaseQuestionViewModel> selectedItems = questionViewModel.ParentTemplate.SelectedElements.ToList();
ActionTracker.TrackChangeQuestionsPosition(selectedItems, deltaTop, deltaLeft, widthKoef, heightKoef);
}
else if (questionViewModel is ChoiceBoxViewModel)
{
var choiceBoxViewModel = (ChoiceBoxViewModel) questionViewModel;
List<BaseQuestionViewModel> selectedItems = choiceBoxViewModel.ParentGrid.ChoiceBoxes
.Cast<BaseQuestionViewModel>()
.ToList();
ActionTracker.TrackChangeQuestionsPosition(selectedItems, deltaTop, deltaLeft, widthKoef, heightKoef);
}
}
else if (this.DataContext is BubbleViewModel)
{
// resize bubble
BubbleViewModel bubbleViewModel = (BubbleViewModel)this.DataContext;
List<BubbleViewModel> bubbles = bubbleViewModel.ParentQuestion.Bubbles.ToList();
double deltaTop = this.bubbleStartTop - bubbles[0].Top;
double deltaLeft = this.bubbleStartLeft - bubbles[0].Left;
double widthKoef = this.bubbleStartWidth / bubbles[0].Width;
double heightKoef = this.bubbleStartHeight / bubbles[0].Height;
ActionTracker.TrackChangeBubble(bubbles, deltaTop, deltaLeft, widthKoef, heightKoef);
}
}
/// <summary>
/// Tracks apply formatting action
/// </summary>
/// <param name="trackedElements">Changed questions</param>
/// <param name="copiesBefore">Copies of questions before the change</param>
/// <param name="ethalon">Target ethalon question</param>
public static void TrackApplyFormatting(List <BaseQuestionViewModel> trackedElements, List <BaseQuestionViewModel> copiesBefore, BaseQuestionViewModel ethalon)
{
ApplyFormattingAction action = new ApplyFormattingAction(trackedElements, copiesBefore, ethalon);
TrackAction(action);
}
/// <summary>
/// Initializes a new instance of the <see cref="ApplyFormattingAction"/> class
/// </summary>
/// <param name="trackedElements">Changed questions</param>
/// <param name="copiesBefore">Copies of questions before the change</param>
/// <param name="ethalon">Target ethalon question</param>
public ApplyFormattingAction(List <BaseQuestionViewModel> trackedElements, List <BaseQuestionViewModel> copiesBefore, BaseQuestionViewModel ethalon)
{
this.questions = trackedElements;
this.copiesBefore = copiesBefore;
this.ethalon = ethalon;
}
