// ---------------------------------------------------------------------
#endregion
#region Private methods
/* buildGrid ===========================================================
*
* Build the puzzle grid. This function creates the puzzle grid as a
* 3x3 grid spaced evenly across the screen. Each grid cell contains
* another 3x3 grid and each cell of the subgrids contains a textview
* that can be accessed by IDs 0 - 80.
*
* ------------------------------------------------------------------ */
private void buildGrid()
{
//A var to assign unique IDs to each textview cell in the grid.
int idCounter;
//Loop counters.
int xLoop;
int yLoop;
#region Top level grid layout:
//Create a square percent layout to hold the main grid.
SquarePercentLayout mainGridLayout = new SquarePercentLayout(myMainActivity);
//Set main grid children to wrap.
PercentRelativeLayout.LayoutParams mainGridLayoutParms = new
PercentRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.MatchParent
);
//Set main grid layout parms.
mainGridLayout.LayoutParameters = mainGridLayoutParms;
//Set main grid background.
mainGridLayout.SetBackgroundColor(Android.Graphics.Color.Black);
//Add main grid to top layout.
this.AddView(mainGridLayout);
#endregion
//Init ID counter.
idCounter = 0;
//For each subgrid in the main grid...
for (xLoop = 0; xLoop < 9; xLoop++)
{
#region Subgrid outer frame: (LinearLayout)
//Create subgrid outer frame.
LinearLayout subGridFrame = new LinearLayout(myMainActivity);
//Create parameters for subgrid frame.
PercentRelativeLayout.LayoutParams subGridFrameLayoutParms = new
PercentRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent
);
//Get percent layout helper for subgrid frame.
PercentLayoutHelper.PercentLayoutInfo pctLayoutHelper =
subGridFrameLayoutParms.PercentLayoutInfo;
//Set left and top margins.
pctLayoutHelper.LeftMarginPercent = ((xLoop % 3) * (1 / 3f));
pctLayoutHelper.TopMarginPercent = ((xLoop / 3) * (1 / 3f));
//Set subgrid container width to 1/3 of parent.
pctLayoutHelper.WidthPercent = (1 / 3f);
//Set background and padding for large gridlines.
subGridFrame.SetBackgroundColor(Android.Graphics.Color.Black);
subGridFrame.SetPadding(2, 2, 2, 2);
//Set outer frame parms.
subGridFrame.LayoutParameters = subGridFrameLayoutParms;
//Set to center child view.
subGridFrame.SetGravity(GravityFlags.Center);
//Add subgrid frame to main grid.
mainGridLayout.AddView(subGridFrame);
#endregion
#region Subgrid layout: (SquarePercentLayout)
//Create a new square percent layout for the subgrid.
SquarePercentLayout subGridLayout = new SquarePercentLayout(myMainActivity);
//Set subgrid layout to match parent.
PercentRelativeLayout.LayoutParams subGridLayoutParms = new
PercentRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent
);
//Set subgrid layout parms.
subGridLayout.LayoutParameters = subGridLayoutParms;
//Set subgrid background.
subGridLayout.SetBackgroundColor(Android.Graphics.Color.Black);
subGridFrame.RequestLayout();
//Add subgrid to subgrid frame.
subGridFrame.AddView(subGridLayout);
#endregion
//For each cell in subgrid...
for (yLoop = 0; yLoop < 9; yLoop++)
{
#region Number field outer frame: (LinearLayout)
//Create a linear layout for the num holder outer frame.
LinearLayout numFieldLayout = new LinearLayout(myMainActivity);
//Set subgrid layout to match parent.
PercentRelativeLayout.LayoutParams numFieldLayoutParms = new
PercentRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent
);
//Get subgrid layout helper.
PercentLayoutHelper.PercentLayoutInfo numFieldLayoutHelper =
numFieldLayoutParms.PercentLayoutInfo;
//Set left and top margins.
numFieldLayoutHelper.LeftMarginPercent = ((yLoop % 3) * (1 / 3f));
numFieldLayoutHelper.TopMarginPercent = ((yLoop / 3) * (1 / 3f));
//Set subgrid container width.
numFieldLayoutHelper.WidthPercent = (1 / 3f);
//Set subgrid layout parms.
numFieldLayout.LayoutParameters = numFieldLayoutParms;
//Add frame to subgrid.
subGridLayout.AddView(numFieldLayout);
#endregion
#region Number field layout: (SquarePercentLayout)
//Create square percent layout for the num field.
SquarePercentLayout numFieldHolder = new SquarePercentLayout(myMainActivity);
//Set num field holder layout to match parent.
PercentRelativeLayout.LayoutParams numfieldHolderParms = new
PercentRelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent
);
//Set subgrid layout parms.
numFieldHolder.LayoutParameters = numfieldHolderParms;
//Set subgrid padding to show small gridlines.
numFieldHolder.SetPadding(2, 2, 2, 2);
//Add num field holder to layout frame.
numFieldLayout.AddView(numFieldHolder);
#endregion
#region Number field: (FitTextView)
//Create num field.
FitTextView numField = new FitTextView(myMainActivity);
//Set numfield ID.
numField.Id = idCounter;
idCounter++;
//Center num field.
numField.Gravity = GravityFlags.Center;
//Set numfield layout to match parent view.
numField.LayoutParameters = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.MatchParent
);
//No font padding.
numField.SetIncludeFontPadding(false);
//Set so we don't lose numfield text on rotate.
numField.FreezesText = true;
//Set field text value.
setNumText(numField);
//Cells don't need focus because we are using our num picker.
numField.Focusable = false;
//Set callback for click to show our num picker.
numField.Click += (object sender, EventArgs e) => {
showNumPicker((FitTextView)sender);
};
//Set field background color.
numField.SetBackgroundColor(Android.Graphics.Color.DarkGreen);
//Lay out field.
numField.RequestLayout();
//Add field to holder.
numFieldHolder.AddView(numField);
#endregion
}
}
}
public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
{
RouteSegmentsViewHolder viewHolder = holder as RouteSegmentsViewHolder;
RouteSegment[] segments = routeSegments[position];
viewHolder.From.Text = segments.First().DateFrom.ToString("HH:mm");
viewHolder.To.Text = segments.Last().DateTo.ToString("HH:mm");
viewHolder.Duration.Text = Math.Ceiling((segments.Last().DateTo - segments.First().DateFrom).TotalMinutes) + " min";
double left = Math.Ceiling((segments.First().DateFrom - DateTime.Now).TotalMinutes);
viewHolder.Left.Text = left < 0 ? "Parti" : (left + Environment.NewLine + "min");
Context context = viewHolder.ItemView.Context;
float density = context.Resources.DisplayMetrics.Density;
DateTime begin = segments.First().DateFrom;
DateTime end = segments.Last().DateTo;
TimeSpan total = end - begin;
viewHolder.Preview.RemoveAllViews();
PercentRelativeLayout.LayoutParams percentLayoutParams;
LinearLayout.LayoutParams barBackLayoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MatchParent, LinearLayout.LayoutParams.MatchParent);
barBackLayoutParams.SetMargins((int)(4 * density), 0, (int)(4 * density), 0);
int i = 1;
foreach (RouteSegment segment in segments)
{
Color color = Utils.GetColorForLine(context, segment.Line);
ImageView image = new ImageView(context);
image.Id = i;
image.SetImageResource(Resource.Drawable.circle2);
image.SetColorFilter(color);
percentLayoutParams = new PercentRelativeLayout.LayoutParams((int)(14 * density), (int)(14 * density));
percentLayoutParams.AddRule(LayoutRules.CenterVertical);
percentLayoutParams.SetMargins((int)(-7 * density), 0, 0, 0);
percentLayoutParams.PercentLayoutInfo.LeftMarginPercent = (float)(segment.DateFrom - begin).Ticks / total.Ticks;
viewHolder.Preview.AddView(image, percentLayoutParams);
LinearLayout bar = new LinearLayout(context);
View barBack = new View(context);
barBack.SetBackgroundColor(color);
bar.AddView(barBack, barBackLayoutParams);
percentLayoutParams = new PercentRelativeLayout.LayoutParams((int)(28 * density), (int)(4 * density));
percentLayoutParams.AddRule(LayoutRules.CenterVertical);
percentLayoutParams.AddRule(LayoutRules.RightOf, i);
percentLayoutParams.SetMargins((int)(-7 * density), 0, (int)(-7 * density), 0);
percentLayoutParams.PercentLayoutInfo.WidthPercent = (float)(segment.DateTo - segment.DateFrom).Ticks / total.Ticks;
viewHolder.Preview.AddView(bar, percentLayoutParams);
i++;
}
if (!viewHolders.Contains(viewHolder))
{
viewHolders.Add(viewHolder);
}
}
