/// <summary>
/// Position bubbles inside vertically oriented question
/// </summary>
/// <param name="count">Amount of bubbles</param>
private void FitBubblesVertical(int count)
{
double questionWidth = this.Width - 2 * BorderOffset - 2 * BorderThickness;
double questionHeight = this.Height - 2 * BorderOffset - 2 * BorderThickness;
double bubbleHeight = (questionHeight - (count - 1) * ItemsOffset) / count;
double bubbleWidth = questionWidth;
// if can't fit bubbles by width, do not add any bubbles
if (bubbleWidth < MinBubbleSize)
{
return;
}
// if can't fit bubbles by height, reduce bubbles count and recalculate
while (bubbleHeight < MinBubbleSize)
{
count--;
bubbleHeight = (questionHeight - (count - 1) * ItemsOffset) / count;
}
for (int i = 0; i < count; i++)
{
double topPosition = BorderOffset + i * ItemsOffset + i * bubbleHeight;
var bubble = new BubbleViewModel(bubbleWidth, bubbleHeight, topPosition, BorderOffset);
this.Bubbles.Add(bubble);
}
}
/// <summary>
/// Creates copy of current question
/// </summary>
/// <returns>Question copy</returns>
public override BaseQuestionViewModel CreateCopy()
{
ChoiceBoxViewModel elementCopy = new ChoiceBoxViewModel(this.Name, this.Top, this.Left, this.Width, this.Height);
elementCopy.SelectedMapping = this.SelectedMapping;
foreach (BubbleViewModel bubble in this.Bubbles)
{
var bubbleCopy = new BubbleViewModel(bubble.Width, bubble.Height, bubble.Top, bubble.Left);
bubbleCopy.Name = bubble.Name;
elementCopy.bubbles.Add(bubbleCopy);
}
return(elementCopy);
}
/// <summary>
/// Applyes to current element style and properties of provided element
/// </summary>
/// <param name="ethalon">Ethalon element</param>
public void ApplyStyle(ChoiceBoxViewModel ethalon)
{
// update size
this.Width = ethalon.Width;
this.Height = ethalon.Height;
this.SelectedMapping = ethalon.SelectedMapping;
// update bubbles collection
this.Bubbles.Clear();
foreach (BubbleViewModel bubble in ethalon.Bubbles)
{
var newBubble = new BubbleViewModel(bubble.Width, bubble.Height, bubble.Top, bubble.Left);
newBubble.Name = bubble.Name;
this.Bubbles.Add(newBubble);
}
}
