// Implement IOnCalloutOverlayListener
public NMapCalloutOverlay OnCreateCalloutOverlay(NMapOverlay itemOverlay, NMapOverlayItem overlayItem, Rect itemBounds)
{
// handle overlapped items
if (itemOverlay is NMapPOIdataOverlay poiDataOverlay)
{
// check if it is selected by touch event
if (!poiDataOverlay.IsFocusedBySelectItem)
{
int countOfOverlappedItems = 1;
var poiData = poiDataOverlay.POIdata;
for (int i = 0; i < poiData.Count(); i++)
{
var poiItem = poiData.GetPOIitem(i);
// skip selected item
if (poiItem == overlayItem)
{
continue;
}
// check if overlapped or not
if (Rect.Intersects(poiItem.BoundsInScreen, overlayItem.BoundsInScreen))
{
countOfOverlappedItems++;
}
}
if (countOfOverlappedItems > 1)
{
var text = countOfOverlappedItems + " overlapped items for " + overlayItem.Title;
Toast.MakeText(this, text, ToastLength.Long).Show();
return(null);
}
}
}
// use custom old callout overlay
if (overlayItem is NMapPOIitem nMapPOIitem)
{
if (nMapPOIitem.ShowRightButton())
{
return(new NMapCalloutCustomOldOverlay(itemOverlay, overlayItem, itemBounds, mMapViewerResourceProvider));
}
}
// use custom callout overlay
return(new NMapCalloutCustomOverlay(itemOverlay, overlayItem, itemBounds, mMapViewerResourceProvider));
// set basic callout overlay
//return new NMapCalloutBasicOverlay(itemOverlay, overlayItem, itemBounds);
}
//OnCalloutOverlayViewListener
View OnCreateCalloutOverlayView(NMapOverlay itemOverlay, NMapOverlayItem overlayItem, Rect itemBounds)
{
if (overlayItem != null)
{
// [TEST] 말풍선 오버레이를 뷰로 설정함
String title = overlayItem.Title;
if (title != null && title.Length > 5)
{
return(new NMapCalloutCustomOverlayView(this, itemOverlay, overlayItem, itemBounds));
}
}
// null을 반환하면 말풍선 오버레이를 표시하지 않음
return(null);
}
public NMapCalloutOverlayView(Context context, NMapOverlay itemOverlay, NMapOverlayItem item, Rect itemBounds) : base(context)
{
mOverlayItem = item;
mItemBounds = itemBounds;
mOnClickListener = null;
mItemOverlay = itemOverlay;
int px = 0;
int py = (int)(mItemBounds.Height() * mOverlayItem.AnchorYRatio);
NMapView.LayoutParams lp = new NMapView.LayoutParams(NMapView.LayoutParams.WrapContent,
NMapView.LayoutParams.WrapContent,
mOverlayItem.Point, px, -py,
NMapView.LayoutParams.BottomCenter);
this.LayoutParameters = lp;
mMarginX = NMapResourceProvider.ToPixelFromDIP(CALLOUT_MARGIN_X);
}
public NMapCalloutBasicOverlay(NMapOverlay itemOverlay, NMapOverlayItem item, Rect itemBounds) : base(itemOverlay, item, itemBounds)
{
mInnerPaint = new Paint();
mInnerPaint.SetARGB(225, 75, 75, 75); //gray
mInnerPaint.AntiAlias = true;
mBorderPaint = new Paint();
mBorderPaint.SetARGB(255, 255, 255, 255);
mBorderPaint.AntiAlias = true;
mBorderPaint.SetStyle(Paint.Style.Stroke);
mBorderPaint.StrokeWidth = 2;
mTextPaint = new Paint();
mTextPaint.SetARGB(255, 255, 255, 255);
mTextPaint.AntiAlias = true;
mPath = new Path();
mPath.SetFillType(Path.FillType.Winding);
}
public NMapCalloutCustomOverlayView(Context context, NMapOverlay itemOverlay, NMapOverlayItem item, Rect itemBounds) : base(context, itemOverlay, item, itemBounds)
{
string infService = Context.LayoutInflaterService;
LayoutInflater li = (LayoutInflater)Context.GetSystemService(infService);
li.Inflate(Resource.Layout.Callout_Overlay_View, this, true);
mCalloutView = FindViewById(Resource.Id.callout_overlay);
mCalloutText = mCalloutView.FindViewById <TextView>(Resource.Id.callout_text);
mRightArrow = FindViewById(Resource.Id.callout_rightArrow);
mCalloutView.SetOnClickListener(this);
//mCalloutView.Click += OnClick;
mCalloutText.Text = item.Title;
if (item is NMapPOIitem mapItem)
{
if (!mapItem.HasRightAccessory)
{
mRightArrow.Visibility = ViewStates.Gone;
}
}
}
public NMapCalloutCustomOldOverlay(NMapOverlay itemOverlay, NMapOverlayItem item, Rect itemBounds,
IResourceProvider resourceProvider) : base(itemOverlay, item, itemBounds)
{
mTextPaint.AntiAlias = true;
// set font style
mTextPaint.Color = Color.ParseColor(CALLOUT_TEXT_COLOR);
// set font size
mTextPaint.TextSize = CALLOUT_TEXT_SIZE * NMapResourceProvider.ScaleFactor;
// set font type
if (CALLOUT_TEXT_TYPEFACE != null)
{
mTextPaint.SetTypeface(CALLOUT_TEXT_TYPEFACE);
}
mMarginX = NMapResourceProvider.ToPixelFromDIP(CALLOUT_MARGIN_X);
mPaddingX = NMapResourceProvider.ToPixelFromDIP(CALLOUT_PADDING_X);
mPaddingOffset = NMapResourceProvider.ToPixelFromDIP(CALLOUT_PADDING_OFFSET);
mPaddingY = NMapResourceProvider.ToPixelFromDIP(CALLOUT_PADDING_Y);
mMinimumWidth = NMapResourceProvider.ToPixelFromDIP(CALLOUT_MIMIMUM_WIDTH);
mTotalHeight = NMapResourceProvider.ToPixelFromDIP(CALLOUT_TOTAL_HEIGHT);
mBackgroundHeight = NMapResourceProvider.ToPixelFromDIP(CALLOUT_BACKGROUND_HEIGHT);
mItemGapY = NMapResourceProvider.ToPixelFromDIP(CALLOUT_ITEM_GAP_Y);
mTailGapX = NMapResourceProvider.ToPixelFromDIP(CALLOUT_TAIL_GAP_X);
mTailText = item.TailText;
mTitleOffsetY = NMapResourceProvider.ToPixelFromDIP(CALLOUT_TITLE_OFFSET_Y);
if (resourceProvider == null)
{
throw new IllegalArgumentException(
"NMapCalloutCustomOverlay.ResourceProvider should be provided on creation of NMapCalloutCustomOverlay.");
}
mBackgroundDrawable = resourceProvider.GetCalloutBackground(item);
bool hasRightAccessory = false;
mDrawableRightButton = resourceProvider.GetCalloutRightAccessory(item);
if (mDrawableRightButton != null && mDrawableRightButton.Length > 0)
{
hasRightAccessory = true;
mRightButtonText = null;
}
else
{
mDrawableRightButton = resourceProvider.GetCalloutRightButton(item);
mRightButtonText = resourceProvider.GetCalloutRightButtonText(item);
}
if (mDrawableRightButton != null)
{
if (hasRightAccessory)
{
mCalloutRightButtonWidth = mDrawableRightButton[0].IntrinsicWidth;
mCalloutRightButtonHeight = mDrawableRightButton[0].IntrinsicHeight;
}
else
{
mCalloutRightButtonWidth = NMapResourceProvider.ToPixelFromDIP(CALLOUT_RIGHT_BUTTON_WIDTH);
mCalloutRightButtonHeight = NMapResourceProvider.ToPixelFromDIP(CALLOUT_RIGHT_BUTTON_HEIGHT);
}
mRightButtonRect = new Rect();
base.ItemCount = mCalloutButtonCount;
}
else
{
mCalloutRightButtonWidth = 0;
mCalloutRightButtonHeight = 0;
mRightButtonRect = null;
}
mTitleTruncated = null;
mWidthTitleTruncated = 0;
}
