private void AddBackgroundAndBorderLayer(CGRect fullRect)
{
var backgroundLayer = new DisposableCALayer {
Frame = fullRect
};
InsertScrollViewSubLayer(backgroundLayer, 0);
var borderLayer = new DisposableCALayer {
BackgroundColor = BorderColor.CGColor
};
switch (borderType)
{
case HMSegmentedControlBorderType.Top:
borderLayer.Frame = new CGRect(0, 0, fullRect.Size.Width, borderWidth);
break;
case HMSegmentedControlBorderType.Left:
borderLayer.Frame = new CGRect(0, 0, borderWidth, fullRect.Size.Height);
break;
case HMSegmentedControlBorderType.Bottom:
borderLayer.Frame = new CGRect(0, fullRect.Size.Height - borderWidth, fullRect.Size.Width, borderWidth);
break;
case HMSegmentedControlBorderType.Right:
borderLayer.Frame = new CGRect(fullRect.Size.Width - borderWidth, 0, borderWidth, fullRect.Size.Height);
break;
}
AddScrollViewSubLayer(borderLayer);
}
private void Initialize()
{
scrollView = new HMScrollView {
ScrollsToTop = false, ShowsVerticalScrollIndicator = false, ShowsHorizontalScrollIndicator = false
};
AddSubview(scrollView);
Opaque = false;
SelectionIndicatorColor = UIColor.FromRGBA(52.0f / 255.0f, 181.0f / 255.0f, 229.0f / 255.0f, 1.0f);
SelectedIndex = 0;
SegmentEdgeInset = new UIEdgeInsets(0, 5, 0, 5);
SelectionIndicatorHeight = 5.0f;
selectionIndicatorEdgeInsets = new UIEdgeInsets(0, 0, 0, 0);
SelectionStyle = HMSegmentedControlSelectionStyle.TextWidthStripe;
SelectionIndicatorLocation = HMSegmentedControlIndicatorLocation.Up;
segmentWidthStyle = HMSegmentedControlWidthStyle.Fixed;
UserDraggable = true;
TouchEnabled = true;
VerticalDividerEnabled = false;
VerticalDividerColor = UIColor.Black;
BorderColor = UIColor.Black;
borderWidth = 1.0f;
ShouldAnimateUserSelection = true;
selectionIndicatorBoxOpacity = 0.2f;
SelectionIndicatorArrowLayer = new DisposableCALayer();
SelectionIndicatorStripLayer = new DisposableCALayer();
SelectionIndicatorBoxLayer = new DisposableCALayer {
Opacity = selectionIndicatorBoxOpacity, BorderWidth = 1.0f
};
ContentMode = UIViewContentMode.Redraw;
}
public override void Draw(CGRect rect)
{
if (BackgroundColor != null)
{
BackgroundColor.SetFill();
}
SelectionIndicatorArrowLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorStripLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorBoxLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorBoxLayer.BorderColor = SelectionIndicatorColor.CGColor;
scrollView.Layer.Sublayers = new DisposableCALayer[0];
ClearScrollViewSubLayers();
var oldRect = rect;
if (type == HMSegmentedControlType.Text)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var size = MeasureTitle(idx);
var stringWidth = size.Width;
var stringHeight = size.Height;
CGRect rectangle, rectDiv, rectFull;
var locationUp = SelectionIndicatorLocation == HMSegmentedControlIndicatorLocation.Up;
var selectionStyleNotBox = SelectionStyle != HMSegmentedControlSelectionStyle.Box;
var y = (float)Math.Round(((Frame.Height - (selectionStyleNotBox ? 1 : 0 * SelectionIndicatorHeight)) / 2) - (stringHeight / 2) + (SelectionIndicatorHeight * (locationUp ? 1 : 0)));
if (segmentWidthStyle == HMSegmentedControlWidthStyle.Fixed)
{
rectangle = new CGRect((segmentWidth * idx) + (segmentWidth - stringWidth) / 2, y, stringWidth, stringHeight);
rectDiv = new CGRect((segmentWidth * idx) + (VerticalDividerWidth / 2), SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4));
rectFull = new CGRect(segmentWidth * idx, 0, segmentWidth, oldRect.Size.Height);
}
else
{
var xOffset = 0.0f;
var i = 0;
foreach (var width in segmentWidths)
{
if (idx == i)
{
break;
}
xOffset += width;
i++;
}
var widthForIndex = segmentWidths[idx];
rectangle = new CGRect(xOffset, y, widthForIndex, stringHeight);
rectFull = new CGRect(segmentWidth * idx, 0, widthForIndex, oldRect.Size.Height);
rectDiv = new CGRect(xOffset - (VerticalDividerWidth / 2),
SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4));
}
rectangle = new CGRect((float)Math.Ceiling(rectangle.X), (float)Math.Ceiling(rectangle.Y), (float)Math.Ceiling(rectangle.Size.Width), (float)Math.Ceiling(rectangle.Size.Height));
var titleLayer = new DisposableCATextLayer
{
Frame = rectangle,
AlignmentMode = CATextLayer.AlignmentCenter,
TruncationMode = CATextLayer.TruncantionEnd,
AttributedString = AttributedTitle(idx),
ContentsScale = UIScreen.MainScreen.Scale
};
AddScrollViewSubLayer(titleLayer);
if (VerticalDividerEnabled)
{
var verticalDividerLayer = new DisposableCALayer {
Frame = rectDiv, BackgroundColor = VerticalDividerColor.CGColor
};
AddScrollViewSubLayer(verticalDividerLayer);
}
AddBackgroundAndBorderLayer(rectFull);
}
}
else if (type == HMSegmentedControlType.Image)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var icon = sectionImages[idx];
var imageWidth = icon.Size.Width;
var imageHeight = icon.Size.Height;
var y = (float)Math.Round(Frame.Height - SelectionIndicatorHeight) / 2 - imageHeight / 2 + (SelectionIndicatorLocation == HMSegmentedControlIndicatorLocation.Up ? SelectionIndicatorHeight : 0);
var x = segmentWidth * idx + (segmentWidth - imageWidth) / 2.0f;
var rectNew = new CGRect(x, y, imageWidth, imageHeight);
var imageLayer = new DisposableCALayer {
Frame = rectNew
};
if (SelectedIndex == idx && sectionSelectedImages != null)
{
imageLayer.Contents = sectionSelectedImages[idx].CGImage;
}
else
{
imageLayer.Contents = icon.CGImage;
}
AddScrollViewSubLayer(imageLayer);
if (VerticalDividerEnabled && idx > 0)
{
var verticalDividerLayer = new DisposableCALayer
{
Frame = new CGRect((segmentWidth * idx) - (VerticalDividerWidth / 2), SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4)),
BackgroundColor = VerticalDividerColor.CGColor
};
AddScrollViewSubLayer(verticalDividerLayer);
}
AddBackgroundAndBorderLayer(rectNew);
}
}
else if (type == HMSegmentedControlType.TextAndImage)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var icon = sectionImages[idx];
var imageWidth = icon.Size.Width;
var imageHeight = icon.Size.Height;
var stringHeight = MeasureTitle(idx).Height;
var yOffset = (float)Math.Round(((Frame.Height - SelectionIndicatorHeight) / 2) - (stringHeight / 2));
var imageXOffset = SegmentEdgeInset.Left;
var textXOffset = SegmentEdgeInset.Left;
var textWidth = (nfloat)0.0f;
if (segmentWidthStyle == HMSegmentedControlWidthStyle.Fixed)
{
imageXOffset = (segmentWidth * idx) + (segmentWidth / 2.0f) - (imageWidth / 2.0f);
textXOffset = segmentWidth * idx;
textWidth = segmentWidth;
}
else
{
var xOffset = 0.0f;
var i = 0;
foreach (var width in segmentWidths)
{
if (idx == i)
{
break;
}
xOffset += width;
i++;
}
imageXOffset = xOffset + (segmentWidths[idx] / 2.0f) - (imageWidth / 2.0f);
textXOffset = xOffset;
textWidth = segmentWidths[idx];
}
var imageYOffset = (float)Math.Round((Frame.Height - SelectionIndicatorHeight) / 2.0f);
var imageRect = new CGRect(imageXOffset, imageYOffset, imageWidth, imageHeight);
var textRect = new CGRect((float)Math.Ceiling(textXOffset), (float)Math.Ceiling(yOffset), (float)Math.Ceiling(textWidth), (float)Math.Ceiling(stringHeight));
var titleLayer = new DisposableCATextLayer
{
Frame = textRect,
AlignmentMode = CATextLayer.AlignmentCenter,
AttributedString = AttributedTitle(idx),
TruncationMode = CATextLayer.TruncantionEnd,
ContentsScale = UIScreen.MainScreen.Scale
};
var imageLayer = new DisposableCALayer
{
Frame = imageRect,
Contents = (SelectedIndex == idx && sectionSelectedImages != null) ? sectionSelectedImages[idx].CGImage : icon.CGImage
};
AddScrollViewSubLayer(imageLayer);
AddScrollViewSubLayer(titleLayer);
AddBackgroundAndBorderLayer(imageRect);
}
}
if (SelectedIndex != -1)
{
if (SelectionStyle == HMSegmentedControlSelectionStyle.Arrow)
{
SetArrowFrame();
AddScrollViewSubLayer(SelectionIndicatorArrowLayer);
}
else
{
if (SelectionIndicatorStripLayer.SuperLayer == null)
{
SelectionIndicatorStripLayer.Frame = FrameForSelectionIndicator();
AddScrollViewSubLayer(SelectionIndicatorStripLayer);
if (SelectionStyle == HMSegmentedControlSelectionStyle.Box && SelectionIndicatorBoxLayer.SuperLayer == null)
{
SelectionIndicatorBoxLayer.Frame = FrameForFillerSelectionIndicator();
InsertScrollViewSubLayer(SelectionIndicatorBoxLayer, 0);
}
}
}
}
}
private void Initialize()
{
scrollView = new HMScrollView { ScrollsToTop = false, ShowsVerticalScrollIndicator = false, ShowsHorizontalScrollIndicator = false };
AddSubview(scrollView);
Opaque = false;
SelectionIndicatorColor = UIColor.FromRGBA(52.0f / 255.0f, 181.0f / 255.0f, 229.0f / 255.0f, 1.0f);
SelectedIndex = 0;
SegmentEdgeInset = new UIEdgeInsets(0, 5, 0, 5);
SelectionIndicatorHeight = 5.0f;
selectionIndicatorEdgeInsets = new UIEdgeInsets(0, 0, 0, 0);
SelectionStyle = HMSegmentedControlSelectionStyle.TextWidthStripe;
SelectionIndicatorLocation = HMSegmentedControlIndicatorLocation.Up;
segmentWidthStyle = HMSegmentedControlWidthStyle.Fixed;
UserDraggable = true;
TouchEnabled = true;
VerticalDividerEnabled = false;
VerticalDividerColor = UIColor.Black;
BorderColor = UIColor.Black;
borderWidth = 1.0f;
ShouldAnimateUserSelection = true;
selectionIndicatorBoxOpacity = 0.2f;
SelectionIndicatorArrowLayer = new DisposableCALayer();
SelectionIndicatorStripLayer = new DisposableCALayer();
SelectionIndicatorBoxLayer = new DisposableCALayer { Opacity = selectionIndicatorBoxOpacity, BorderWidth = 1.0f };
ContentMode = UIViewContentMode.Redraw;
}
private void AddBackgroundAndBorderLayer(RectangleF fullRect)
{
var backgroundLayer = new DisposableCALayer { Frame = fullRect };
InsertScrollViewSubLayer(backgroundLayer, 0);
var borderLayer = new DisposableCALayer { BackgroundColor = BorderColor.CGColor };
switch (borderType)
{
case HMSegmentedControlBorderType.Top:
borderLayer.Frame = new RectangleF(0, 0, fullRect.Size.Width, borderWidth);
break;
case HMSegmentedControlBorderType.Left:
borderLayer.Frame = new RectangleF(0, 0, borderWidth, fullRect.Size.Height);
break;
case HMSegmentedControlBorderType.Bottom:
borderLayer.Frame = new RectangleF(0, fullRect.Size.Height - borderWidth, fullRect.Size.Width, borderWidth);
break;
case HMSegmentedControlBorderType.Right:
borderLayer.Frame = new RectangleF(fullRect.Size.Width - borderWidth, 0, borderWidth, fullRect.Size.Height);
break;
}
AddScrollViewSubLayer(borderLayer);
}
public override void Draw(RectangleF rectangle)
{
if (BackgroundColor != null)
BackgroundColor.SetFill();
SelectionIndicatorArrowLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorStripLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorBoxLayer.BackgroundColor = SelectionIndicatorColor.CGColor;
SelectionIndicatorBoxLayer.BorderColor = SelectionIndicatorColor.CGColor;
scrollView.Layer.Sublayers = new DisposableCALayer[0];
ClearScrollViewSubLayers();
var oldRect = rectangle;
if (type == HMSegmentedControlType.Text)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var size = MeasureTitle(idx);
var stringWidth = size.Width;
var stringHeight = size.Height;
RectangleF rect, rectDiv, rectFull;
var locationUp = SelectionIndicatorLocation == HMSegmentedControlIndicatorLocation.Up;
var selectionStyleNotBox = SelectionStyle != HMSegmentedControlSelectionStyle.Box;
var y = (float)Math.Round(((this.Frame.Height - (selectionStyleNotBox ? 1 : 0 * SelectionIndicatorHeight)) / 2) - (stringHeight / 2) + (SelectionIndicatorHeight * (locationUp ? 1 : 0)));
if (segmentWidthStyle == HMSegmentedControlWidthStyle.Fixed)
{
rect = new RectangleF((segmentWidth * idx) + (segmentWidth - stringWidth) / 2, y, stringWidth, stringHeight);
rectDiv = new RectangleF((segmentWidth * idx) + (VerticalDividerWidth / 2), SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4));
rectFull = new RectangleF(segmentWidth * idx, 0, segmentWidth, oldRect.Size.Height);
}
else
{
var xOffset = 0.0f;
var i = 0;
foreach (var width in segmentWidths)
{
if (idx == i)
break;
xOffset += width;
i++;
}
var widthForIndex = segmentWidths[idx];
rect = new RectangleF(xOffset, y, widthForIndex, stringHeight);
rectFull = new RectangleF(segmentWidth * idx, 0, widthForIndex, oldRect.Size.Height);
rectDiv = new RectangleF(xOffset - (VerticalDividerWidth / 2),
SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4));
}
rect = new RectangleF((float)Math.Ceiling(rect.X), (float)Math.Ceiling(rect.Y), (float)Math.Ceiling(rect.Size.Width), (float)Math.Ceiling(rect.Size.Height));
var titleLayer = new DisposableCATextLayer
{
Frame = rect,
AlignmentMode = CATextLayer.AlignmentCenter,
TruncationMode = CATextLayer.TruncantionEnd,
AttributedString = AttributedTitle(idx),
ContentsScale = UIScreen.MainScreen.Scale,
};
AddScrollViewSubLayer(titleLayer);
if (VerticalDividerEnabled)
{
var verticalDividerLayer = new DisposableCALayer { Frame = rectDiv, BackgroundColor = VerticalDividerColor.CGColor };
AddScrollViewSubLayer(verticalDividerLayer);
}
AddBackgroundAndBorderLayer(rectFull);
}
}
else if (type == HMSegmentedControlType.Image)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var icon = sectionImages[idx];
var imageWidth = icon.Size.Width;
var imageHeight = icon.Size.Height;
var y = (float)Math.Round(Frame.Height - SelectionIndicatorHeight) / 2 - imageHeight / 2 + (SelectionIndicatorLocation == HMSegmentedControlIndicatorLocation.Up ? SelectionIndicatorHeight : 0);
var x = segmentWidth * idx + (segmentWidth - imageWidth) / 2.0f;
var rectNew = new RectangleF(x, y, imageWidth, imageHeight);
var imageLayer = new DisposableCALayer { Frame = rectNew };
if (SelectedIndex == idx && sectionSelectedImages != null)
imageLayer.Contents = sectionSelectedImages[idx].CGImage;
else
imageLayer.Contents = icon.CGImage;
AddScrollViewSubLayer(imageLayer);
if (VerticalDividerEnabled && idx > 0)
{
var verticalDividerLayer = new DisposableCALayer
{
Frame = new RectangleF((segmentWidth * idx) - (VerticalDividerWidth / 2), SelectionIndicatorHeight * 2, VerticalDividerWidth, Frame.Size.Height - (SelectionIndicatorHeight * 4)),
BackgroundColor = VerticalDividerColor.CGColor
};
AddScrollViewSubLayer(verticalDividerLayer);
}
AddBackgroundAndBorderLayer(rectNew);
}
}
else if (type == HMSegmentedControlType.TextAndImage)
{
for (int idx = 0; idx < sectionTitles.Count; idx++)
{
var icon = sectionImages[idx];
var imageWidth = icon.Size.Width;
var imageHeight = icon.Size.Height;
var stringHeight = MeasureTitle(idx).Height;
var yOffset = (float)Math.Round(((Frame.Height - SelectionIndicatorHeight) / 2) - (stringHeight / 2));
var imageXOffset = SegmentEdgeInset.Left;
var textXOffset = SegmentEdgeInset.Left;
var textWidth = 0.0f;
if (segmentWidthStyle == HMSegmentedControlWidthStyle.Fixed)
{
imageXOffset = (segmentWidth * idx) + (segmentWidth / 2.0f) - (imageWidth / 2.0f);
textXOffset = segmentWidth * idx;
textWidth = segmentWidth;
}
else
{
var xOffset = 0.0f;
var i = 0;
foreach (var width in segmentWidths)
{
if (idx == i)
break;
xOffset += width;
i++;
}
imageXOffset = xOffset + (segmentWidths[idx] / 2.0f) - (imageWidth / 2.0f);
textXOffset = xOffset;
textWidth = segmentWidths[idx];
}
var imageYOffset = (float)Math.Round((Frame.Height - SelectionIndicatorHeight) / 2.0f);
var imageRect = new RectangleF(imageXOffset, imageYOffset, imageWidth, imageHeight);
var textRect = new RectangleF((float)Math.Ceiling(textXOffset), (float)Math.Ceiling(yOffset), (float)Math.Ceiling(textWidth), (float)Math.Ceiling(stringHeight));
var titleLayer = new DisposableCATextLayer
{
Frame = textRect,
AlignmentMode = CATextLayer.AlignmentCenter,
AttributedString = AttributedTitle(idx),
TruncationMode = CATextLayer.TruncantionEnd,
ContentsScale = UIScreen.MainScreen.Scale
};
var imageLayer = new DisposableCALayer
{
Frame = imageRect,
Contents = (SelectedIndex == idx && sectionSelectedImages != null) ? sectionSelectedImages[idx].CGImage : icon.CGImage
};
AddScrollViewSubLayer(imageLayer);
AddScrollViewSubLayer(titleLayer);
AddBackgroundAndBorderLayer(imageRect);
}
}
if (SelectedIndex != -1)
{
if (SelectionStyle == HMSegmentedControlSelectionStyle.Arrow)
{
SetArrowFrame();
AddScrollViewSubLayer(SelectionIndicatorArrowLayer);
}
else
{
if (SelectionIndicatorStripLayer.SuperLayer == null)
{
SelectionIndicatorStripLayer.Frame = FrameForSelectionIndicator();
AddScrollViewSubLayer(SelectionIndicatorStripLayer);
if (SelectionStyle == HMSegmentedControlSelectionStyle.Box && SelectionIndicatorBoxLayer.SuperLayer == null)
{
SelectionIndicatorBoxLayer.Frame = FrameForFillerSelectionIndicator();
InsertScrollViewSubLayer(SelectionIndicatorBoxLayer, 0);
}
}
}
}
}
