private void OnModelChanged(object sender, ElementConstructModel model)
{
if (Model != model)
{
return;
}
_modelPreviewFragment = new RenderFragment(builder =>
{
builder.AddContent(0, model.ToMarkup());
});
StateHasChanged();
}
private RenderFragment BuildLink(ElementConstructModel model)
{
if (!(model is LinkConstructModel))
{
throw new ArgumentException(model.GetType().FullName);
}
RenderFragment RenderFragment(LinkConstructModel internalModel)
{
return(builder =>
{
var index = 0;
builder.OpenElement(index++, "div");
builder.AddAttribute(index++, "class", "mat-elevation-z24");
builder.AddContent(index++, BuildFallback(internalModel, "Link"));
builder.OpenElement(index, "p");
builder.AddAttribute(index++, "class", "mat-subtitle2");
builder.AddContent(index++, "Link Content");
builder.CloseElement();
builder.OpenElement(index++, "input");
builder.AddAttribute(index++, "type", "input");
builder.AddAttribute(index++, "value", internalModel.Content);
builder.AddAttribute(index++, "onchange",
EventCallback.Factory.CreateBinder(internalModel, value =>
{
internalModel.Content = value;
ModelChanged?.Invoke(this, internalModel);
},
internalModel.Content));
builder.SetUpdatesAttributeName("value");
builder.AddAttribute(index++, "oninput",
EventCallback.Factory.CreateBinder(internalModel, value =>
{
internalModel.Content = value;
ModelChanged?.Invoke(this, internalModel);
},
internalModel.Content));
builder.SetUpdatesAttributeName("value");
builder.CloseElement();
builder.CloseElement();
builder.AddMarkupContent(index, "<hr />");
});
}
return(RenderFragment((LinkConstructModel)model));
}
private RenderFragment BuildFallback(ElementConstructModel model, string modelName)
{
RenderFragment RenderFragment(ElementConstructModel internalModel)
{
return(builder =>
{
var index = 0;
builder.OpenElement(index++, "div");
builder.AddAttribute(index++, "class", "mat-elevation-z7");
builder.OpenElement(index++, "p");
builder.AddAttribute(index++, "class", "mat-subtitle2");
builder.AddContent(index++, $"{modelName}:");
builder.CloseElement();
builder.OpenElement(index++, "input");
builder.AddAttribute(index++, "type", "input");
builder.AddAttribute(index++, "value", internalModel.Value);
builder.AddAttribute(index++, "onchange",
EventCallback.Factory.CreateBinder(internalModel, value =>
{
internalModel.Value = value;
ModelChanged?.Invoke(this, internalModel);
},
internalModel.Value));
builder.SetUpdatesAttributeName("value");
builder.AddAttribute(index++, "oninput",
EventCallback.Factory.CreateBinder(internalModel, value =>
{
internalModel.Value = value;
ModelChanged?.Invoke(this, internalModel);
},
internalModel.Value));
builder.SetUpdatesAttributeName("value");
builder.CloseElement();
builder.CloseElement();
builder.AddMarkupContent(index, "<hr />");
});
}
return(RenderFragment(model));
}
