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using System.Linq;
using AppKit;
namespace Xamarin.PropertyEditing.Mac
{
internal class SegmentStack : NSView
{
class SegmentItem
{
public NSImage Image { get; set; }
public string Label { get; set; }
public NSView View { get; set; }
}
private SegmentItem[] segments = new SegmentItem[0];
private NSStackView stackView = new NSStackView () {
Spacing = 3
};
public void SetImage (NSImage image, int segment)
{
var item = this.segments[segment];
item.Image = image;
if (item.Image != null)
return;
item.View = new UnderlinedImageView (image.Name);
this.stackView.AddView (item.View, NSStackViewGravity.Leading);
}
public NSImage GetImage (int segment)
{
return this.segments[segment].Image;
}
public void SetLabel (string label, int segment)
{
var item = this.segments[segment];
item.Label = label;
if (item.Image != null)
return;
item.View = new UnderlinedTextField () {
BackgroundColor = NSColor.Clear,
Editable = false,
Bezeled = false,
StringValue = label
};
this.stackView.AddView (item.View, NSStackViewGravity.Leading);
}
public string GetLabel (int segment)
{
return this.segments[segment].Label;
}
public int SegmentCount
{
get => this.segments.Length;
set
{
this.segments = new SegmentItem[value];
}
}
}
internal class UnderlinedTabViewController<TViewModel> : NotifyingTabViewController<TViewModel> where TViewModel : NotifyingObject
{
public override void NumberOfItemsChanged (NSTabView tabView)
{
base.NumberOfItemsChanged (tabView);
var items = this.tabStack.Views.ToList ();
foreach (var view in items) {
this.tabStack.RemoveView (view);
view.Dispose ();
}
var i = 0;
foreach (var item in TabViewItems) {
if (item.Image != null) {
this.tabStack.AddView (new UnderlinedImageView (item.Image.Name) {
Selected = i == SelectedTabViewItemIndex,
ToolTip = item.Label,
}, NSStackViewGravity.Leading);
} else {
this.tabStack.AddView (new UnderlinedTextField () {
BackgroundColor = NSColor.Clear,
Editable = false,
Bezeled = false,
StringValue = item.Label,
Selected = i == SelectedTabViewItemIndex,
}, NSStackViewGravity.Leading);
}
i++;
}
}
private NSStackView outerStack;
private NSStackView innerStack;
private NSStackView tabStack = new NSStackView () {
Spacing = 4f,
};
private NSEdgeInsets edgeInsets = new NSEdgeInsets (0, 0, 0, 0);
public NSEdgeInsets EdgeInsets {
get => this.edgeInsets;
set {
this.edgeInsets = value;
if (this.outerStack != null) {
this.outerStack.EdgeInsets = value;
this.innerStack.EdgeInsets = value;
}
}
}
public override void MouseDown (NSEvent theEvent)
{
NSView hit = View.HitTest (View.Superview.ConvertPointFromView (theEvent.LocationInWindow, null));
if (!(hit is IUnderliningTabView))
return;
int i = 0;
foreach (var label in tabStack.Views) {
if (hit == label) {
SelectedTabViewItemIndex = i;
break;
}
i++;
}
}
public override void DidSelect (NSTabView tabView, NSTabViewItem item)
{
base.DidSelect (tabView, item);
for (int i = 0; i < this.tabStack.Views.Length; i++) {
var tabItem = this.tabStack.Views[i] as IUnderliningTabView;
if (tabItem != null)
tabItem.Selected = SelectedTabViewItemIndex == i;
}
}
public override void LoadView ()
{
this.outerStack = new NSStackView () {
Orientation = NSUserInterfaceLayoutOrientation.Horizontal,
EdgeInsets = EdgeInsets
};
this.innerStack = new NSStackView () {
Spacing = 0,
Alignment = NSLayoutAttribute.Left,
Orientation = NSUserInterfaceLayoutOrientation.Vertical,
EdgeInsets = EdgeInsets
};
this.outerStack.AddView (this.innerStack, NSStackViewGravity.Leading);
this.innerStack.AddView (this.tabStack, NSStackViewGravity.Top);
this.innerStack.AddView (TabView, NSStackViewGravity.Bottom);
View = this.outerStack;
}
}
}
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