//adds a tag to the display
public void AddTag(TagButton tagIn)
{
if (tagIn.Text == "") //if tag text is empty, dont add
{
return;
}
this.tags.Add(tagIn);
AddTagToPage(tagIn);
RefreshTags();
}
//deletes the tag from the display
public void DeleteTags()
{
Console.WriteLine("deleting tags");
int i = 0;
while (i < tags.Count) //move through tag list to find all that are hightlighted and delete them
{
TagButton button = tags[i];
if (button.isHighlighted())
{
tags.RemoveAt(i);
}
else
{
i++;
}
}
}
//adds the given tag to the optimal row
private void AddTagToOptimalRow(TagButton newTag)
{
List <View> rows = this.Children.ToList();
rows.RemoveAt(0);
int newTagWidth = newTag.CalculateButtonWidth();
StackLayout optimalRow = null;
if (newTagWidth >= MasterNavigationPage.current.Width)
{
optimalRow = MakeNewTagsRow();
}
else
{
foreach (StackLayout row in rows)
{
if (row.Width == 0)
{
optimalRow = row;
break;
}
else if (LayoutWidth(row) + newTagWidth <= MasterNavigationPage.current.Width)
{
optimalRow = row;
break;
}
}
if (optimalRow == null)
{
optimalRow = MakeNewTagsRow();
}
}
optimalRow.Children.Add(newTag);
}
//adds a tag to the page
private void AddTagToPage(TagButton newTag)
{
TagButton newButton = newTag;
AddTagToOptimalRow(newButton);
}
