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Viewing changes to external/monomac/samples/Preferences/Preferences/PreferencesWindowController.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/monomac/samples/Preferences/Preferences/PreferencesWindowController.cs
 
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using System;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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using MonoMac.Foundation;
 
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using MonoMac.AppKit;
 
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using System.Drawing;
 
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namespace Preferences
 
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{
 
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        public partial class PreferencesWindowController : NSWindowController
 
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        {
 
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                #region Constructors
 
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                // Called when created from unmanaged code
 
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                public PreferencesWindowController (IntPtr handle) : base (handle)
 
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                {
 
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                        Initialize ();
 
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                }
 
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                // Called when created directly from a XIB file
 
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                [Export ("initWithCoder:")]
 
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                public PreferencesWindowController (NSCoder coder) : base (coder)
 
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                {
 
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                        Initialize ();
 
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                }
 
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                // Call to load from the XIB/NIB file
 
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                public PreferencesWindowController () : base ("PreferencesWindow")
 
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                {
 
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                        Initialize ();
 
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                }
 
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                // Shared initialization code
 
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                void Initialize ()
 
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                {
 
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                }
 
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                #endregion
 
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                List<IPreferencesTab> tabs = new List<IPreferencesTab>();
 
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                PreferencesToolbarDelegate toolbarDelegate;
 
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                // When Preference Window is loaded from a NIB we create a view controller
 
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                // for each tab in preferences window and initialize the toolbar.
 
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                public override void AwakeFromNib()
 
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                {
 
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                        base.AwakeFromNib();
 
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                        tabs.Add(new GeneralViewController());
 
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                        tabs.Add(new FontsAndColorsViewController());
 
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                        tabs.Add(new PrivacyViewController());
 
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                        InitializeToolbar();
 
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                }
 
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                void InitializeToolbar()
 
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                {
 
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                        toolbarDelegate = new PreferencesToolbarDelegate(tabs);
 
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                        toolbarDelegate.SelectionChanged += HandleSelectionChanged;
 
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                        Window.Toolbar = CreateToolbar ();
 
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                        HandleSelectionChanged(this, null); // Called once when the window is created to make first tab visible
 
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                }
 
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                NSToolbar CreateToolbar ()
 
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                {
 
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                        var tb = new NSToolbar ("PreferencesToolbar");
 
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                        tb.AllowsUserCustomization = false;
 
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                        tb.Delegate = toolbarDelegate;
 
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                        tb.SelectedItemIdentifier = tabs.First().Name;
 
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                        return tb;
 
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                }
 
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                // Called when user clicks on toolbar item to change the preferences tab.
 
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                void HandleSelectionChanged (object sender, EventArgs e)
 
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                {
 
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                        var selectedTab = tabs.Single(s => s.Name.Equals(Window.Toolbar.SelectedItemIdentifier));
 
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                        Window.Title = selectedTab.Name;
 
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                        ShowSelectedTab(selectedTab);
 
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                }
 
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                // Change preferences tab view to selected one. Animate resizing of the window if the selected
 
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                // tab is different size than the currently visible one.
 
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                void ShowSelectedTab(IPreferencesTab selectedTab)
 
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                {
 
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                        float delta = Window.ContentView.Frame.Height - selectedTab.View.Frame.Height; // Delta must be calculated before currect tab view is removed
 
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                        RemoveCurrentTabView();
 
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                        Window.SetFrame(CalculateNewFrameForWindow (delta), true, true);
 
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                        Window.ContentView.AddSubview(selectedTab.View);
 
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                }
 
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                void RemoveCurrentTabView()
 
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                {
 
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                        if (Window.ContentView.Subviews.Any())
 
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                                Window.ContentView.Subviews.Single().RemoveFromSuperview();
 
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                }
 
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                RectangleF CalculateNewFrameForWindow (float delta)
 
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                {
 
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                        return new RectangleF (Window.Frame.X, Window.Frame.Y + delta, Window.Frame.Width, Window.Frame.Height - delta);
 
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                }
 
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        }
 
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}
 
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