public bool Sweep(bool editMode, DataTemplate singleViewTemplate, DataTemplate tabbedViewTemplate, IServiceProvider serviceProvider)
        {
            if (this.sources.Count == 0)
            {
                // Nothing added back to this slot, so we're toast.  Remove our old content (close all views) and die.
                SetSlotPanelContent(null);
                CloseRemainingViews(new Dictionary<ViewSource, ViewSite>());
                return false;
            }

            var newSites = new Dictionary<ViewSource, ViewSite>();

            if (this.sources.Count == 1)
            {
                var presenter = this.slotPanelChild as ContentPresenter;

                // We need our content to be a simple ContentPresenter.  If it isn't, we need to replace.
                if (presenter == null)
                {
                    presenter = new ContentPresenter() { ContentTemplate = singleViewTemplate };
                }

                // Need to call this regardless, as it ensures that it has been added to the slot panel
                SetSlotPanelContent(presenter);

                ViewSite site;

                if (!this.sites.TryGetValue(this.sources[0], out site))
                {
                    // NOTE:  Passing singleViewTemplate here has no effect -- the important thing is that it's set as the 
                    // content template of the presenter (above).  
                    site = new ViewSite(this, this.sources[0], singleViewTemplate, editMode, serviceProvider);
                }
                else
                {
                    this.sites.Remove(this.sources[0]);
                }

                presenter.Content = site;
                if (presenter.IsLoaded)
                {
                    OnViewPresenterLoaded(presenter, null);
                }
                else
                {
                    presenter.Loaded += OnViewPresenterLoaded;
                }

                newSites.Add(this.sources[0], site);
            }
            else
            {
                var tabControl = this.slotPanelChild as ViewTabControl;

                // We need our content to be a tab control.  If it isn't, we need to replace.
                if (tabControl == null)
                {
                    tabControl = new ViewTabControl();
                }

                // Call regardless, in case the layout control didn't have its template applied last time...
                SetSlotPanelContent(tabControl);

                for (int i = 0; i < this.sources.Count; i++)
                {
                    ViewSource source = this.sources[i];
                    ViewSite site;

                    if (!this.sites.TryGetValue(source, out site))
                    {
                        site = new ViewSite(this, source, tabbedViewTemplate, editMode, serviceProvider);
                    }
                    else
                    {
                        this.sites.Remove(source);
                    }

                    int index = tabControl.Items.IndexOf(site);

                    if (index < i)
                    {
                        Debug.Assert(index == -1, "A view site has been added twice?!?");
                        tabControl.Items.Insert(i, site);
                    }
                    else
                    {
                        while (index > i)
                        {
                            // Other (presumably old) view contents are in the way.  Remove them.
                            tabControl.Items.RemoveAt(i);
                            index--;
                        }
                    }

                    newSites.Add(source, site);
                }

                while (tabControl.Items.Count > this.sources.Count)
                {
                    tabControl.Items.RemoveAt(tabControl.Items.Count - 1);
                }

                if (tabControl.SelectedIndex < 0)
                {
                    tabControl.SelectedIndex = 0;
                }
            }

            CloseRemainingViews(newSites);
            this.sites = newSites;
            return true;
        }
예제 #2
0
        public bool Sweep(bool editMode, DataTemplate singleViewTemplate, DataTemplate tabbedViewTemplate, IServiceProvider serviceProvider)
        {
            if (this.sources.Count == 0)
            {
                // Nothing added back to this slot, so we're toast.  Remove our old content (close all views) and die.
                SetSlotPanelContent(null);
                CloseRemainingViews(new Dictionary <ViewSource, ViewSite>());
                return(false);
            }

            var newSites = new Dictionary <ViewSource, ViewSite>();

            if (this.sources.Count == 1)
            {
                var presenter = this.slotPanelChild as ContentPresenter;

                // We need our content to be a simple ContentPresenter.  If it isn't, we need to replace.
                if (presenter == null)
                {
                    presenter = new ContentPresenter()
                    {
                        ContentTemplate = singleViewTemplate
                    };
                }

                // Need to call this regardless, as it ensures that it has been added to the slot panel
                SetSlotPanelContent(presenter);

                ViewSite site;

                if (!this.sites.TryGetValue(this.sources[0], out site))
                {
                    // NOTE:  Passing singleViewTemplate here has no effect -- the important thing is that it's set as the
                    // content template of the presenter (above).
                    site = new ViewSite(this, this.sources[0], singleViewTemplate, editMode, serviceProvider);
                }
                else
                {
                    this.sites.Remove(this.sources[0]);
                }

                presenter.Content = site;
                if (presenter.IsLoaded)
                {
                    OnViewPresenterLoaded(presenter, null);
                }
                else
                {
                    presenter.Loaded += OnViewPresenterLoaded;
                }

                newSites.Add(this.sources[0], site);
            }
            else
            {
                var tabControl = this.slotPanelChild as ViewTabControl;

                // We need our content to be a tab control.  If it isn't, we need to replace.
                if (tabControl == null)
                {
                    tabControl = new ViewTabControl();
                }

                // Call regardless, in case the layout control didn't have its template applied last time...
                SetSlotPanelContent(tabControl);

                for (int i = 0; i < this.sources.Count; i++)
                {
                    ViewSource source = this.sources[i];
                    ViewSite   site;

                    if (!this.sites.TryGetValue(source, out site))
                    {
                        site = new ViewSite(this, source, tabbedViewTemplate, editMode, serviceProvider);
                    }
                    else
                    {
                        this.sites.Remove(source);
                    }

                    int index = tabControl.Items.IndexOf(site);

                    if (index < i)
                    {
                        Debug.Assert(index == -1, "A view site has been added twice?!?");
                        tabControl.Items.Insert(i, site);
                    }
                    else
                    {
                        while (index > i)
                        {
                            // Other (presumably old) view contents are in the way.  Remove them.
                            tabControl.Items.RemoveAt(i);
                            index--;
                        }
                    }

                    newSites.Add(source, site);
                }

                while (tabControl.Items.Count > this.sources.Count)
                {
                    tabControl.Items.RemoveAt(tabControl.Items.Count - 1);
                }

                if (tabControl.SelectedIndex < 0)
                {
                    tabControl.SelectedIndex = 0;
                }
            }

            CloseRemainingViews(newSites);
            this.sites = newSites;
            return(true);
        }