private TwoHorizontalPanelsWithResizer(
Hideability hideable, Tuple <int?, int?> fixedSize, SpacingPolicy?policy,
int minPanelSizePx = DefaultPanelSizePx)
: base(hideable, minPanelSizePx, fixedSize, policy)
{
Container.SetAttribute(Magics.AttrDataIsHorizontalPanel, "");
}
private static BuiltPanels <T> Builder <T>(
T prototype, Hideability hideable, bool showable,
IFormRenderer <HTMLElement> renderer) where T : TwoPanelsWithResizer
{
switch (hideable)
{
case Hideability.None:
return(BuildNonhideable(prototype, renderer));
case Hideability.First:
case Hideability.Second:
return(BuildHideable(
prototype,
hideable == Hideability.First,
showable,
renderer));
default: throw new Exception("unsupported Hideability");
}
}
protected TwoPanelsWithResizer(
Hideability hideable, int minPanelSizePx, Tuple <int?, int?> fixedSize, SpacingPolicy?spacingPolicy)
{
MinPanelSizePx = minPanelSizePx;
if (fixedSize == null && !spacingPolicy.HasValue ||
fixedSize != null && spacingPolicy.HasValue ||
fixedSize != null && fixedSize.Item1.HasValue && fixedSize.Item2.HasValue ||
fixedSize != null && !fixedSize.Item1.HasValue && !fixedSize.Item2.HasValue)
{
throw new Exception("Either spacing policy needs to be provided OR exactly one fixedSize dimension");
}
Hideable = hideable;
_fixedSize = fixedSize;
_spacingPolicy = spacingPolicy;
_container.ClassName = GetType().FullName;
_container.Id = UniqueIdGenerator.GenerateAsString();
_splitter.ClassName = Magics.CssClassSplitter;
_container.AppendChild(FirstPanel);
_container.AppendChild(_splitter);
_container.AppendChild(SecondPanel);
_splitter.OnTouchStart += x => {
if (!x.HasHtmlTarget())
{
return;
}
var htmlTarget = x.HtmlTarget();
if (!htmlTarget.IsElementOrItsDescendant(_splitter))
{
return;
}
_isDragging = true;
_touchId = x.TargetTouches[0].Identifier;
Logger.Debug(GetType(), "TouchStart {0}", _touchId);
};
_splitter.OnTouchEnd += ev => {
_isDragging = false;
_touchId = 0;
Logger.Debug(GetType(), "TouchEnd {0}", _touchId);
};
_splitter.OnTouchMove += ev => {
if (!_isDragging)
{
return;
}
var touch = ev.Touches.FirstOrDefault(x => x.Identifier == _touchId);
Logger.Debug(GetType(), "TouchMove {0} present?={1}", _touchId, touch != null);
if (touch == null)
{
return;
}
var sizes = CalculateSizesOnUserResize(touch.PageX, touch.PageY);
if (sizes.Item1 < minPanelSizePx || sizes.Item2 < minPanelSizePx)
{
return;
}
Logger.Debug(GetType(), "updating sizes for panelType={0} id={1} to ({2}; {3})", GetType().FullName, _container.Id, sizes.Item1, sizes.Item2);
_container.AddClasses(Magics.CssClassActive);
ev.PreventDefault();
Sizes = sizes;
SetPanelsSize(sizes);
};
DocumentUtil.AddMouseDownListener(_splitter, x => {
if (!x.HasHtmlTarget())
{
return;
}
var htmlTarget = x.HtmlTarget();
if (!htmlTarget.IsElementOrItsDescendant(_splitter))
{
return;
}
_isDragging = true;
x.PreventDefault();
});
DocumentUtil.AddMouseUpListener(_splitter, x => {
_isDragging = false;
});
DocumentUtil.AddMouseMoveListener(_splitter, ev => {
if (!_isDragging)
{
return;
}
ev.PreventDefault();
var sizes = CalculateSizesOnUserResize(ev.PageX, ev.PageY);
if (sizes.Item1 < minPanelSizePx || sizes.Item2 < minPanelSizePx)
{
return;
}
Logger.Debug(GetType(), "updating sizes for panelType={0} id={1} to ({2}; {3})", GetType().FullName, _container.Id, sizes.Item1, sizes.Item2);
_container.AddClasses(Magics.CssClassActive);
Sizes = sizes;
SetPanelsSize(sizes);
});
DocumentUtil.AddElementAttachedToDocumentListener(_container, InitializeWidthsOnAttachOrResize);
DocumentUtil.AddElementResizeListener(_container, InitializeWidthsOnAttachOrResize);
}
public TwoHorizontalPanelsWithResizer(
Hideability hideable, SpacingPolicy policy = SpacingPolicy.Proportional,
int minPanelSizePx = DefaultPanelSizePx) : this(hideable, null, policy, minPanelSizePx)
{
}
public TwoHorizontalPanelsWithResizer(
Hideability hideable, Tuple <int?, int?> fixedSize, int minPanelSizePx = DefaultPanelSizePx)
: this(hideable, fixedSize, null, minPanelSizePx)
{
}
public static BuiltPanels <TwoHorizontalPanelsWithResizer> BuildHorizontal(
Hideability hideable, bool showable, IFormRenderer <HTMLElement> renderer,
Tuple <int?, int?> fixedSize)
{
return(Builder(new TwoHorizontalPanelsWithResizer(hideable, fixedSize), hideable, showable, renderer));
}
public static BuiltPanels <TwoHorizontalPanelsWithResizer> BuildHorizontal(
Hideability hideable, bool showable, IFormRenderer <HTMLElement> renderer,
SpacingPolicy policy = SpacingPolicy.Proportional)
{
return(Builder(new TwoHorizontalPanelsWithResizer(hideable, policy), hideable, showable, renderer));
}