diff options
author | therzok <marius.ungureanu@xamarin.com> | 2018-10-19 17:04:17 +0300 |
---|---|---|
committer | therzok <marius.ungureanu@xamarin.com> | 2019-01-29 14:30:34 +0300 |
commit | a73e621b1c1cdb5946f43ad9aeeb1d768ac89dba (patch) | |
tree | 68a29fa7e12ef0841af513b6525c07202ed6b7a7 /main/src/tools | |
parent | 27e6a6d6e6e1a174914cdbc10f27188f72086579 (diff) |
Make tab content lazily constructed
Diffstat (limited to 'main/src/tools')
-rw-r--r-- | main/src/tools/ExtensionTools/Application.cs | 16 | ||||
-rw-r--r-- | main/src/tools/ExtensionTools/ExtensionTools.csproj | 1 | ||||
-rw-r--r-- | main/src/tools/ExtensionTools/LazyNotebook.cs | 71 |
3 files changed, 84 insertions, 4 deletions
diff --git a/main/src/tools/ExtensionTools/Application.cs b/main/src/tools/ExtensionTools/Application.cs index 23b7cf73b1..5d86c23fda 100644 --- a/main/src/tools/ExtensionTools/Application.cs +++ b/main/src/tools/ExtensionTools/Application.cs @@ -24,6 +24,7 @@ // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. using System; +using System.Collections.Generic; using System.IO; using System.Reflection; using System.Threading; @@ -74,13 +75,20 @@ namespace MonoDevelop.ExtensionTools static Widget CreateWindowContent () { - var nb = new Notebook (); + var nb = new LazyNotebook (); - nb.Add (new AddinListWidget (), "List"); - nb.Add (new AddinDependencyTreeWidget (), "Dependency Tree"); - nb.Add (new ExtensionPointsWidget (), "Extension Points"); + foreach (var (widgetFunc, title) in GetTabs ()) { + nb.Add (widgetFunc, title); + } return nb; } + + static IEnumerable<(Func<Widget> widgetFunc, string title)> GetTabs () + { + yield return (() => new AddinListWidget (), "List"); + yield return (() => new AddinDependencyTreeWidget (), "Dependency Tree"); + yield return (() => new ExtensionPointsWidget (), "Extension Points"); + } } } diff --git a/main/src/tools/ExtensionTools/ExtensionTools.csproj b/main/src/tools/ExtensionTools/ExtensionTools.csproj index 7cc890870f..f263e9b78c 100644 --- a/main/src/tools/ExtensionTools/ExtensionTools.csproj +++ b/main/src/tools/ExtensionTools/ExtensionTools.csproj @@ -28,6 +28,7 @@ <Compile Include="AddinListWidget.cs" /> <Compile Include="AddinRegistryExtensions.cs" /> <Compile Include="ExtensionPointsWidget.cs" /> + <Compile Include="LazyNotebook.cs" /> </ItemGroup> <ItemGroup> <ProjectReference Include="..\..\core\MonoDevelop.Core\MonoDevelop.Core.csproj"> diff --git a/main/src/tools/ExtensionTools/LazyNotebook.cs b/main/src/tools/ExtensionTools/LazyNotebook.cs new file mode 100644 index 0000000000..2f8c98e05b --- /dev/null +++ b/main/src/tools/ExtensionTools/LazyNotebook.cs @@ -0,0 +1,71 @@ +// +// LazyNotebook.cs +// +// Author: +// Marius Ungureanu <maungu@microsoft.com> +// +// Copyright (c) 2018 Microsoft Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +using System; +using Xwt; + +namespace MonoDevelop.ExtensionTools +{ + class LazyNotebook : Notebook + { + public void Add (Func<Widget> createWidget, string label) + { + var createWidgetChain = OnAdd (createWidget); + var widget = new LazyWidget (createWidgetChain); + Add (widget, label); + } + + protected override void OnCurrentTabChanged (EventArgs e) + { + base.OnCurrentTabChanged (e); + Xwt.Application.TimeoutInvoke (0, () => { + Toolkit.NativeEngine.Invoke (() => { + var tab = Tabs [CurrentTabIndex]; + var lazy = (LazyWidget)tab.Child; + lazy.CreateContent (); + }); + return false; + }); + } + + protected virtual Func<Widget> OnAdd (Func<Widget> createWidget) => createWidget; + + class LazyWidget : Widget + { + readonly Func<Widget> createWidget; + + public LazyWidget (Func<Widget> createWidget) + { + this.createWidget = createWidget; + } + + public void CreateContent () + { + if (Content == null) + Content = createWidget (); + } + } + } +} |