public static void AddView(DroidVariable widget, bool alreadyExists)
{
var location = widget.Location;
var view = widget.ViewX;
var parentView = location.ParentView as DroidVariable;
var parent = parentView?.ViewLayout;
//Console.WriteLine("--ADDING {0} {1}, text: {2}, parent: {3}, exists: {4}",
// varName, widgetType, text, parentView == null, alreadyExists);
//MainActivity.AddView(widget, parentView?.ViewLayout);
ScriptingFragment.AddView(widget, parent);
if (parent != null)
{
parent.AddView(view);
}
else
{
TheLayout.AddView(view);
}
if (alreadyExists)
{
MainActivity.TheLayout.Invalidate();
MainActivity.TheLayout.RefreshDrawableState();
view.Invalidate();
view.RefreshDrawableState();
//if (parentView != null) {
parentView?.ViewLayout.Invalidate();
//}
}
}
public static void RemoveView(DroidVariable viewVar)
{
if (viewVar == null || viewVar.ViewX == null)
{
return;
}
ScriptingFragment.RemoveView(viewVar);
}
public static View GetView(string viewName, ParsingScript script)
{
if (viewName.Equals("root", StringComparison.OrdinalIgnoreCase))
{
return(null);
}
ParserFunction func = ParserFunction.GetVariable(viewName, script);
Utils.CheckNotNull(func, viewName, script);
Variable viewValue = func.GetValue(script);
DroidVariable viewVar = viewValue as DroidVariable;
return(viewVar.ViewX);
}
public static void AddView(DroidVariable widget, ViewGroup parent = null)
{
var view = widget.ViewX;
if (m_activeFragment != null)
{
m_activeFragment.m_widgets.Add(widget);
}
if (parent == null)
{
parent = MainActivity.TheLayout;
}
m_allViews.Add(widget, parent);
}
public static int ExtraMargin(DroidVariable widgetFunc, ScreenSize screenSize, double multiplier)
{
int offset = 0;
if (widgetFunc.ViewX is Switch)
{
offset = (int)AutoScaleFunction.TransformSize(UtilsDroid.SWITCH_MARGIN, screenSize.Width, 3);
if (screenSize.Width <= AutoScaleFunction.BASE_WIDTH)
{
offset = SWITCH_MARGIN; // from -45, 480
}
//offset = -112; // (before -168) // from 1200
//offset = -135; // from 1440
}
return(offset);
}
public virtual void AdjustTranslation(DroidVariable location, bool isX, bool sameWidget = true)
{
int offset = 0;
ScreenSize screenSize = UtilsDroid.GetScreenSize();
if (isX && sameWidget && ViewX is Switch)
{
offset = (int)AutoScaleFunction.TransformSize(UtilsDroid.SWITCH_MARGIN, screenSize.Width, 3);
if (screenSize.Width <= AutoScaleFunction.BASE_WIDTH)
{
offset = UtilsDroid.SWITCH_MARGIN; // from -45, 480
}
//offset = -112; // (before -168) // from 1200
//offset = -135; // from 1440
}
location.TranslationX += offset;
}
public void ProcessTranslationY(DroidVariable location)
{
if (location.RuleY == "CENTER" && WidgetType == UIType.LABEL)
{
int deltaY = (int)AutoScaleFunction.TransformSize(20, UtilsDroid.GetScreenSize().Width);;
location.TranslationY += deltaY;
}
if (location.TranslationY < 0 && location.LayoutRuleY == LayoutRules.AlignParentTop)
{
location.TranslationY = 0;
}
else if (location.ViewY is Spinner)
{
if (location.LayoutRuleY == LayoutRules.AlignParentBottom ||
location.LayoutRuleY == LayoutRules.Below)
{
location.ExtraY = (int)AutoScaleFunction.TransformSize(10, UtilsDroid.GetScreenSize().Width);
location.TranslationY -= location.ExtraY;
}
}
}
public static void RemoveView(DroidVariable widget, bool removeFromActive = true)
{
var view = widget.ViewX;
if (removeFromActive && m_activeFragment != null)
{
m_activeFragment.m_widgets.Remove(widget);
}
m_allViews.Remove(widget);
var parent = widget.Location?.ParentView as DroidVariable;
ViewGroup parentView = parent != null ? parent.ViewLayout : MainActivity.TheLayout;
View viewToRemove = widget.ViewX;
parentView.RemoveView(viewToRemove);
parentView = viewToRemove.Parent as ViewGroup;
if (parentView != null && parentView.Parent != null)
{
parentView.RemoveView(viewToRemove);
}
}
public void SetViewLayout(int width, int height)
{
DroidVariable refView = Location?.RefViewX as DroidVariable;
m_viewX = MainActivity.CreateViewLayout(width, height, refView?.ViewLayout);
}
public void CreateStepper(int width, int height, string extraLabel)
{
DroidVariable refView = Location?.RefViewX as DroidVariable;
ViewGroup layout = MainActivity.CreateViewLayout(width, height, refView?.ViewLayout);
TextView label = null;
Button btn1 = new Button(MainActivity.TheView);
btn1.Text = "-";
btn1.Id = ++m_currentTag;
Button btn2 = new Button(MainActivity.TheView);
btn2.Text = "+";
btn2.Id = ++m_currentTag;
layout.AddView(btn1);
layout.AddView(btn2);
RelativeLayout.LayoutParams layoutParams1 = new RelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent
)
{
Width = height,
Height = height
};
RelativeLayout.LayoutParams layoutParams2 = new RelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent
)
{
Width = height,
Height = height
};
layoutParams2.AddRule(LayoutRules.RightOf, btn1.Id);
if (!string.IsNullOrWhiteSpace(extraLabel))
{
label = new TextView(MainActivity.TheView);
label.Text = CurrVal.ToString();
label.Id = ++m_currentTag;
label.Gravity = GravityFlags.Center;
RelativeLayout.LayoutParams layoutParams3 = new RelativeLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent
)
{
Width = height,
Height = height
};
if (extraLabel == "left")
{
layoutParams1.AddRule(LayoutRules.RightOf, label.Id);
//label.Gravity = GravityFlags.Right | GravityFlags.CenterVertical;
}
else
{
layoutParams3.AddRule(LayoutRules.RightOf, btn2.Id);
//label.Gravity = GravityFlags.Left | GravityFlags.CenterVertical;
}
label.LayoutParameters = layoutParams3;
layout.AddView(label);
}
btn1.Touch += (sender, e) =>
{
if (e.Event.Action == MotionEventActions.Up)
{
CurrVal -= Step;
CurrVal = CurrVal < MinVal ? MinVal : CurrVal;
CurrVal = CurrVal > MaxVal ? MaxVal : CurrVal;
btn1.Enabled = CurrVal > MinVal;
btn2.Enabled = CurrVal < MaxVal;
if (label != null)
{
label.Text = CurrVal.ToString();
}
ActionDelegate?.Invoke(WidgetName, CurrVal.ToString());
}
};
btn2.Touch += (sender, e) =>
{
if (e.Event.Action == MotionEventActions.Up)
{
CurrVal += Step;
CurrVal = CurrVal < MinVal ? MinVal : CurrVal;
CurrVal = CurrVal > MaxVal ? MaxVal : CurrVal;
btn1.Enabled = CurrVal > MinVal;
btn2.Enabled = CurrVal < MaxVal;
if (label != null)
{
label.Text = CurrVal.ToString();
}
ActionDelegate?.Invoke(WidgetName, CurrVal.ToString());
}
};
btn1.LayoutParameters = layoutParams1;
btn2.LayoutParameters = layoutParams2;
m_viewX = layout;
}
public override Variable Clone()
{
DroidVariable newVar = (DroidVariable)this.MemberwiseClone();
return(newVar);
}
public static void SetValues(DroidVariable widgetFunc, string valueStr)
{
if (string.IsNullOrWhiteSpace(valueStr))
{
return;
}
widgetFunc.InitValue = new Variable(valueStr);
// currValue:minValue:maxValue:step
double minValue = 0, maxValue = 1, currValue = 0, step = 1.0;
string[] vals = valueStr.Split(new char[] { ',', ':' });
Double.TryParse(vals[0].Trim(), out currValue);
if (vals.Length > 1)
{
Double.TryParse(vals[1].Trim(), out minValue);
if (vals.Length > 2)
{
Double.TryParse(vals[2].Trim(), out maxValue);
}
if (vals.Length > 3)
{
Double.TryParse(vals[3].Trim(), out step);
}
}
else
{
minValue = maxValue = currValue;
}
if (widgetFunc.WidgetType == UIVariable.UIType.SEGMENTED)
{
Switch seg = widgetFunc.ViewX as Switch;
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Lollipop)
{
seg.ShowText = true;
}
seg.TextOn = vals[vals.Length - 1];
seg.TextOff = vals[0];
seg.Checked = false;
}
else if (widgetFunc.ViewX is Switch)
{
Switch sw = widgetFunc.ViewX as Switch;
sw.Checked = (int)currValue == 1;
}
else if (widgetFunc.ViewX is SeekBar)
{
SeekBar slider = widgetFunc.ViewX as SeekBar;
//slider.Max = (int)maxValue - (int)minValue;
slider.Max = (int)maxValue;
slider.Min = (int)minValue;
slider.Progress = (int)currValue;
widgetFunc.MinVal = minValue;
widgetFunc.MaxVal = maxValue;
widgetFunc.CurrVal = currValue;
}
else
{
widgetFunc.MinVal = minValue;
widgetFunc.MaxVal = maxValue;
widgetFunc.CurrVal = currValue;
widgetFunc.Step = step;
}
}
public virtual DroidVariable GetWidget(string widgetType, string widgetName, string initArg,
int width, int height)
{
UIVariable.UIType type = UIVariable.UIType.NONE;
View widget = null;
switch (widgetType)
{
case "View":
type = UIVariable.UIType.VIEW;
widget = new View(MainActivity.TheView);
break;
case "Button":
type = UIVariable.UIType.BUTTON;
widget = new Button(MainActivity.TheView);
((Button)widget).SetTextColor(Color.Black);
((Button)widget).Text = initArg;
UtilsDroid.AddViewBorder(widget, Color.Black);
break;
case "TextView":
type = UIVariable.UIType.TEXT_VIEW;
widget = new TextView(MainActivity.TheView);
((TextView)widget).SetTextColor(Color.Black);
((TextView)widget).Text = initArg;
((TextView)widget).Gravity = GravityFlags.Top | GravityFlags.Left;
((TextView)widget).TextAlignment = TextAlignment.TextStart;
((TextView)widget).MovementMethod = new ScrollingMovementMethod();
((TextView)widget).VerticalScrollBarEnabled = true;
((TextView)widget).HorizontalScrollBarEnabled = true;
//((TextView)widget).SetMaxLines(40);
//((TextView)widget).ScrollBarStyle = ScrollbarStyles.OutsideOverlay;
//((TextView)widget).ScrollBarSize = 2;
break;
case "Label":
type = UIVariable.UIType.LABEL;
widget = new TextView(MainActivity.TheView);
((TextView)widget).SetTextColor(Color.Black);
((TextView)widget).Text = initArg;
((TextView)widget).Gravity = GravityFlags.CenterVertical | GravityFlags.Left;
break;
case "TextEdit":
type = UIVariable.UIType.TEXT_FIELD;
widget = new EditText(MainActivity.TheView);
((EditText)widget).SetTextColor(Color.Black);
((EditText)widget).SetBackgroundColor(Color.White);
((EditText)widget).SetTextIsSelectable(true);
((EditText)widget).Focusable = true;
((EditText)widget).LongClickable = true;
((EditText)widget).Hint = initArg;
break;
case "TextEditView":
type = UIVariable.UIType.EDIT_VIEW;
widget = new EditText(MainActivity.TheView);
((EditText)widget).SetTextColor(Color.Black);
((EditText)widget).SetBackgroundColor(Color.White);
((EditText)widget).Hint = initArg;
((EditText)widget).Gravity = GravityFlags.Top | GravityFlags.Left;
((EditText)widget).TextAlignment = TextAlignment.TextStart;
((EditText)widget).MovementMethod = new ScrollingMovementMethod();
((EditText)widget).VerticalScrollBarEnabled = true;
((EditText)widget).HorizontalScrollBarEnabled = true;
((EditText)widget).SetTextIsSelectable(true);
((EditText)widget).Focusable = true;
((EditText)widget).LongClickable = true;
break;
case "ImageView":
type = UIVariable.UIType.IMAGE_VIEW;
widget = new ImageView(MainActivity.TheView);
if (!string.IsNullOrWhiteSpace(initArg))
{
int resourceID = MainActivity.String2Pic(initArg);
widget.SetBackgroundResource(resourceID);
}
break;
case "Combobox":
type = UIVariable.UIType.COMBOBOX;
widget = new Spinner(MainActivity.TheView);
((Spinner)widget).DescendantFocusability = DescendantFocusability.BlockDescendants;
break;
case "TypePicker":
type = UIVariable.UIType.PICKER_VIEW;
widget = new NumberPicker(MainActivity.TheView);
// Don't show the cursor on the picker:
((NumberPicker)widget).DescendantFocusability = DescendantFocusability.BlockDescendants;
break;
case "Picker":
type = UIVariable.UIType.PICKER_IMAGES;
widget = new Spinner(MainActivity.TheView);
// Don't show the cursor on the picker:
((Spinner)widget).DescendantFocusability = DescendantFocusability.BlockDescendants;
break;
case "ListView":
type = UIVariable.UIType.LIST_VIEW;
widget = new ListView(MainActivity.TheView);
// Don't show the cursor on the list view:
((ListView)widget).DescendantFocusability = DescendantFocusability.BlockDescendants;
break;
case "Switch":
type = UIVariable.UIType.SWITCH;
widget = new Switch(MainActivity.TheView);
break;
case "SegmentedControl":
type = UIVariable.UIType.SEGMENTED;
widget = new Switch(MainActivity.TheView);
//widget = new Info.Hoang8f.Android.Segmented.SegmentedGroup(MainActivity.TheView);
break;
case "Slider":
type = UIVariable.UIType.SLIDER;
widget = new SeekBar(MainActivity.TheView);
break;
case "Stepper":
type = UIVariable.UIType.STEPPER;
widget = new View(MainActivity.TheView);
break;
}
DroidVariable widgetFunc = new DroidVariable(type, widgetName, widget);
widgetFunc.AddAction(widgetName, widgetName + "_click");
SetValues(widgetFunc, initArg);
return(widgetFunc);
}
/*public static View ConvertFormsToNative(Xamarin.Forms.View view,
* Xamarin.Forms.Rectangle size)
* {
* var vRenderer = Platform.CreateRendererWithContext(view, MainActivity.TheView);
* var androidView = vRenderer.View;
* vRenderer.Tracker.UpdateLayout();
* var layoutParams = new ViewGroup.LayoutParams((int)size.Width, (int)size.Height);
* androidView.LayoutParameters = layoutParams;
* view.Layout(size);
* androidView.Layout(0, 0, (int)view.WidthRequest, (int)view.HeightRequest);
* return androidView;
* }*/
public static LayoutRules String2LayoutParam(DroidVariable location, bool isX)
{
View referenceView = isX ? location.ViewX : location.ViewY;
string param = isX ? location.RuleX : location.RuleY;
bool useRoot = referenceView == null;
DroidVariable refLocation = isX ? location.RefViewX?.Location as DroidVariable :
location.RefViewY?.Location as DroidVariable;
// If the reference view has a margin, add it to the current view.
// This is the iOS functionality.
if (isX && refLocation != null && !location.IsAdjustedX)
{
location.TranslationX += refLocation.TranslationX;
//} else if (!isX && refLocation != null && !location.IsAdjustedY) {
// location.TranslationY += refLocation.TranslationY - refLocation.ExtraY;
}
else if (!isX && refLocation != null)
{
location.TranslationY += refLocation.TranslationY;
}
switch (param)
{
case "LEFT":
return(useRoot ? LayoutRules.AlignParentLeft :
LayoutRules.LeftOf);
case "RIGHT":
return(useRoot ? LayoutRules.AlignParentRight :
LayoutRules.RightOf);
case "TOP":
return(useRoot ? LayoutRules.AlignParentTop :
LayoutRules.Above);
case "BOTTOM":
return(useRoot ? LayoutRules.AlignParentBottom :
LayoutRules.Below);
case "CENTER":
if (useRoot)
{
return(isX ? LayoutRules.CenterHorizontal :
LayoutRules.CenterVertical);
}
else
{
if (isX)
{
location.TranslationX += (refLocation.Width - location.Width) / 2;
return(LayoutRules.AlignLeft);
}
else
{
location.TranslationY += (refLocation.Height - location.Height) / 2;
return(LayoutRules.AlignTop); // .AlignBaseline;
}
}
case "ALIGN_LEFT":
return(LayoutRules.AlignLeft);
case "ALIGN_RIGHT":
return(LayoutRules.AlignRight);
case "ALIGN_TOP":
return(LayoutRules.AlignTop);
case "ALIGN_BOTTOM":
return(LayoutRules.AlignBottom);
case "ALIGN_PARENT_TOP":
return(LayoutRules.AlignParentTop);
case "ALIGN_PARENT_BOTTOM":
return(LayoutRules.AlignParentBottom);
default:
return(LayoutRules.AlignStart);
}
}