//Dessine La bande
protected override void OnDraw(Canvas canvas) //Canvas permet au "view" de se dessiner
{
int height = Height; //Height : Retourne la taille de la vue (View)
int tabCount = ChildCount; //ChildCount : Retourne le nombre de fils dans le groupe (ViewGroup)
int dividerHeightPx = (int)(Math.Min(Math.Max(0f, mDividerHeight), 1f) * height); //Fixe la taille de la barre séparant les différents onglets
SlidingTabScrollView.TabColorizer tabColorizer = mCustomTabColorizer != null ? mCustomTabColorizer : mDefaultTabColorizer; //On vérifie si le mCustomTabColorizer est null, si il ne l'est pas cela signifie que l'utilisateur utilise son propre mCustomTabColorizer autrement on utilise notre mDefaultTabColorizer
//Indicateur
if (tabCount > 0) //Sinon cela signifie qu'il n'y a pas d'onglet
{
View SelectedTitle = GetChildAt(mSelectedPosition); //On récupère le view à la position sélectionnée
int left = SelectedTitle.Left; //Position gauche de ce view
int right = SelectedTitle.Right; //Position droite de ce view
int color = tabColorizer.GetIndicatorColor(mSelectedPosition);
if (mSelectionOffSet > 0f && mSelectedPosition < (tabCount - 1)) //Si le mSelectionOffSet est égal à 0 cela signifie que le glissement est finis
{
//Change la couleur de l'indicateur
int nextColor = tabColorizer.GetIndicatorColor(mSelectedPosition + 1);
if (color != nextColor)
{
color = blendColor(nextColor, color, mSelectionOffSet);
}
//Change de view et actualise gauche et droite
View nextTitle = GetChildAt(mSelectedPosition + 1);
left = (int)(mSelectionOffSet * nextTitle.Left + (1.0f - mSelectionOffSet) * left);
right = (int)(mSelectionOffSet * nextTitle.Right + (1.0f - mSelectionOffSet) * right);
}
mSelectedIndicatorPaint.Color = GetColorFromInteger(color);
canvas.DrawRect(left, height - mSelectedIndicatorThickness, right, height, mSelectedIndicatorPaint);
//Créer la barre séparant les différents onglet
int separatorTop = (height - dividerHeightPx) / 2;
for (int i = 0; i < ChildCount; i++)
{
View child = GetChildAt(i);
mDividerPaint.Color = GetColorFromInteger(tabColorizer.GetDividerColor(i));
canvas.DrawLine(child.Right, separatorTop, child.Right, separatorTop + dividerHeightPx, mDividerPaint);
}
//Dessine la bordure de la bande
canvas.DrawRect(0, height - mBottomBorderThickness, Width, height, mBottomBorderPaint);
}
}
protected override void OnDraw(Canvas canvas)
{
int height = Height;
int tabCount = ChildCount;
int dividerHeightPx = (int)(Math.Min(Math.Max(0f, mDividerHeight), 1f) * height);
SlidingTabScrollView.TabColorizer tabColorizer = mCustomTabColorizer != null ? mCustomTabColorizer : mDefaultTabColorizer;
//thick colored underline below the current selection
if (tabCount > 0)
{
View selectedTitle = GetChildAt(mSelectedPosition);
int left = selectedTitle.Left;
int right = selectedTitle.Right;
int color = tabColorizer.GetIndicatorColor(mSelectedPosition);
if (mSelectionOffset > 0f && mSelectedPosition < (tabCount - 1))
{
int nextColor = tabColorizer.GetIndicatorColor(mSelectedPosition + 1);
if (color != nextColor)
{
color = blendColor(nextColor, color, mSelectionOffset);
}
View nextTitle = GetChildAt(mSelectedPosition + 1);
left = (int)(mSelectionOffset * nextTitle.Left + (1.0f - mSelectionOffset) * left);
right = (int)(mSelectionOffset * nextTitle.Right + (1.0f - mSelectionOffset) * right);
}
mSelectedIndicatorPaint.Color = GetColorFromInteger(color);
canvas.DrawRect(left, height - mSelectedIndicatorThickness, right, height, mSelectedIndicatorPaint);
//create vertical dividers between tabs
int separatorTop = (height * dividerHeightPx) / 2;
for (int i = 0; i < ChildCount; i++)
{
View child = GetChildAt(i);
mDividerPaint.Color = GetColorFromInteger(tabColorizer.GetDividerColor(i));
canvas.DrawLine(child.Right, separatorTop, child.Right, separatorTop + dividerHeightPx, mDividerPaint);
}
canvas.DrawRect(0, height - mBottomBorderThickness, Width, height, mBottomBorderPaint);
}
}
protected override void OnDraw(Canvas canvas)
{
int height = Height;
int tabCount = ChildCount;
int dividerHeightPx = (int)(Math.Min(Math.Max(0f, mDividerHeight), 1f) * height);
SlidingTabScrollView.TabColorizer tabColorizer = mCustomTabColorizer != null ? mCustomTabColorizer : mDefaultTabColorizer;
//Grube podkreślenie pod obecnym fragmentem
if (tabCount > 0)
{
View selectedTitle = GetChildAt(mSelectedPosition);
int left = selectedTitle.Left;
int right = selectedTitle.Right;
int color = tabColorizer.GetIndicatorColor(mSelectedPosition);
if (mSelectionOffset > 0f && mSelectedPosition < (tabCount - 1))
{
int nextColor = tabColorizer.GetIndicatorColor(mSelectedPosition + 1);
if (color != nextColor)
{
color = blendColor(nextColor, color, mSelectionOffset);
}
View nextTitle = GetChildAt(mSelectedPosition + 1);
left = (int)(mSelectionOffset * nextTitle.Left + (1.0f - mSelectionOffset) * left);
right = (int)(mSelectionOffset * nextTitle.Right + (1.0f - mSelectionOffset) * right);
}
mSelectedIndicatorPaint.Color = GetColorFromInteger(color);
canvas.DrawRect(left, height - mSelectedIndicatorThickness, right, height, mSelectedIndicatorPaint);
//Tworzenie pionowego rozdzielacza między kartami
int separatorTop = (height - dividerHeightPx) / 2;
for (int i = 0; i < ChildCount; i++)
{
View child = GetChildAt(i);
mDividerPaint.Color = GetColorFromInteger(tabColorizer.GetDividerColor(i));
canvas.DrawLine(child.Right, separatorTop, child.Right, separatorTop + dividerHeightPx, mDividerPaint);
}
canvas.DrawRect(0, height - mBottomBorderThickness, Width, height, mBottomBorderPaint);
}
}
