Beispiel #1
0
        void BuildUI()
        {
            var b = View.Bounds;

            var statusHeight = 22.0f;

            //
            // Account Field
            //
            var fieldHeight = 33;

            accountField = new ChoiceField(
                                #if !__UNIFIED__
                new RectangleF(0, b.Y, b.Width, 33),
                                #else
                new RectangleF(0, (float)b.Y, (float)b.Width, 33),
                                #endif
                this,
                NSBundle.MainBundle.LocalizedString("From", "From title when sharing"));
            View.AddSubview(accountField);
            b.Y      += fieldHeight;
            b.Height -= fieldHeight;

            //
            // Text Editor
            //
            var editorHeight = b.Height;
            if (service.HasMaxTextLength || item.Links.Count > 0)
            {
                editorHeight -= statusHeight;
            }
            textEditor = new UITextView(
                                #if !__UNIFIED__
                new RectangleF(0, b.Y, b.Width, editorHeight))
                                #else
                new RectangleF(0, (float)b.Y, (float)b.Width, (float)editorHeight))
                                #endif
            {
                Font             = TextEditorFont,
                AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight,
                Text             = item.Text,
            };
            textEditor.Delegate = new TextEditorDelegate(this);
            View.AddSubview(textEditor);

            //
            // Icons
            //
            if (item.Images.Count > 0)
            {
                var        rem = 4.0f;
                RectangleF f;
                var        x = b.Right - AttachmentIcon.Size - 8 - rem * (item.Images.Count - 1);
                var        y = textEditor.Frame.Y + 8;
                                #if !__UNIFIED__
                f       = textEditor.Frame;
                f.Width = x - 8 - f.X;
                                #else
                f       = (RectangleF)textEditor.Frame;
                f.Width = (float)x - 8 - f.X;
                                #endif
                textEditor.Frame = f;

                foreach (var i in item.Images)
                {
                    var icon = new ImageIcon(i.Image);
                                        #if !__UNIFIED__
                    f   = icon.Frame;
                    f.X = x;
                    f.Y = y;
                                        #else
                    f   = (RectangleF)icon.Frame;
                    f.X = (float)x;
                    f.Y = (float)y;
                                        #endif
                    icon.Frame = f;

                    View.AddSubview(icon);

                    x += rem;
                    y += rem;
                }
            }

            //
            // Remaining Text Length
            //
            if (service.HasMaxTextLength)
            {
                textLengthLabel = new TextLengthLabel(
                                        #if !__UNIFIED__
                    new RectangleF(4, b.Bottom - statusHeight, textEditor.Frame.Width - 8, statusHeight),
                                        #else
                    new RectangleF(4, (float)(b.Bottom - statusHeight), (float)(textEditor.Frame.Width - 8), statusHeight),
                                        #endif
                    service.MaxTextLength)
                {
                    TextLength = service.GetTextLength(item),
                };
                View.AddSubview(textLengthLabel);
            }

            //
            // Links Label
            //
            if (item.Links.Count > 0)
            {
                linksLabel = new UILabel(
                                        #if !__UNIFIED__
                    new RectangleF(4, b.Bottom - statusHeight, textEditor.Frame.Width - 66, statusHeight))
                {
                                        #else
                    new RectangleF(4, (float)(b.Bottom - statusHeight), (float)(textEditor.Frame.Width - 66), statusHeight)) {
                                        #endif
                    TextColor        = UIColor.FromRGB(124, 124, 124),
                    AutoresizingMask =
                        UIViewAutoresizing.FlexibleTopMargin |
                        UIViewAutoresizing.FlexibleBottomMargin |
                        UIViewAutoresizing.FlexibleWidth,

                    UserInteractionEnabled = false,
                    BackgroundColor        = UIColor.Clear,
                    Font          = UIFont.SystemFontOfSize(16),
                    LineBreakMode = UILineBreakMode.HeadTruncation,
                };
                if (item.Links.Count == 1)
                {
                    linksLabel.Text = item.Links[0].AbsoluteUri;
                }
                else
                {
                    linksLabel.Text = string.Format(
                        NSBundle.MainBundle.LocalizedString("{0} links", "# of links label"),
                        item.Links.Count);
                }
                View.AddSubview(linksLabel);
            }

            //
            // Navigation Items
            //
            NavigationItem.LeftBarButtonItem = new UIBarButtonItem(
                UIBarButtonSystemItem.Cancel,
                delegate {
                completionHandler(ShareResult.Cancelled);
            });


            NavigationItem.RightBarButtonItem = new UIBarButtonItem(
                NSBundle.MainBundle.LocalizedString("Send", "Send button text when sharing"),
                UIBarButtonItemStyle.Done,
                HandleSend);

            //
            // Watch for the keyboard
            //
            NSNotificationCenter.DefaultCenter.AddObserver(UIKeyboard.DidShowNotification, HandleKeyboardDidShow);
            NSNotificationCenter.DefaultCenter.AddObserver(UIKeyboard.WillHideNotification, HandleKeyboardDidHide);
        }

        void HandleSend(object sender, EventArgs e)
        {
            if (sharing)
            {
                return;
            }

            item.Text = textEditor.Text;

            StartSharing();

            var account = accounts.FirstOrDefault();

            if (accounts.Count > 1 && accountField != null)
            {
                account = accounts.FirstOrDefault(x => x.Username == accountField.SelectedItem);
            }

            try {
                service.ShareItemAsync(item, account).ContinueWith(shareTask => {
                    StopSharing();

                    if (shareTask.IsFaulted)
                    {
                        this.ShowError("Share Error", shareTask.Exception);
                    }
                    else
                    {
                        completionHandler(ShareResult.Done);
                    }
                }, TaskScheduler.FromCurrentSynchronizationContext());
            }
            catch (Exception ex) {
                StopSharing();
                this.ShowError("Share Error", ex);
            }
        }

        void StartSharing()
        {
            sharing = true;
            NavigationItem.RightBarButtonItem.Enabled = false;

            if (progress == null)
            {
                progress = new ProgressLabel(NSBundle.MainBundle.LocalizedString("Sending...", "Sending... status message when sharing"));
                NavigationItem.TitleView = progress;
                progress.StartAnimating();
            }
        }

        void StopSharing()
        {
            sharing = false;
            NavigationItem.RightBarButtonItem.Enabled = true;

            if (progress != null)
            {
                progress.StopAnimating();
                NavigationItem.TitleView = null;
                progress = null;
            }
        }