Add an Install Mod dialog to the ModChooser

OpenRA.Mods.Common/OpenRA.Mods.Common.csproj

@@ -596,6 +596,7 @@
     <Compile Include="Widgets\Logic\Ingame\WorldTooltipLogic.cs" />
     <Compile Include="Widgets\Logic\Installation\InstallFromCDLogic.cs" />
     <Compile Include="Widgets\Logic\Installation\DownloadPackagesLogic.cs" />
+    <Compile Include="Widgets\Logic\Installation\InstallModLogic.cs" />
     <Compile Include="Widgets\Logic\Installation\InstallLogic.cs" />
     <Compile Include="Widgets\Logic\Installation\InstallMusicLogic.cs" />
     <Compile Include="Widgets\Logic\Lobby\ClientTooltipLogic.cs" />

OpenRA.Mods.Common/Widgets/Logic/Installation/InstallModLogic.cs

@@ -0,0 +1,30 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class InstallModLogic : ChromeLogic
+	{
+		[ObjectCreator.UseCtor]
+		public InstallModLogic(Widget widget, string modId)
+		{
+			var panel = widget.Get("INSTALL_MOD_PANEL");
+
+			var mods = Manifest.AllMods[modId].RequiresMods.Select(x => "{0} ({1})".F(x.Key, x.Value));
+			var text = string.Join(", ", mods);
+			panel.Get<LabelWidget>("MOD_LIST").Text = text;
+
+			panel.Get<ButtonWidget>("BACK_BUTTON").OnClick = Ui.CloseWindow;
+		}
+	}
+}

OpenRA.Mods.Common/Widgets/Logic/ModBrowserLogic.cs

@@ -158,13 +158,23 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			if (selectedIndex - modOffset > 4)
 				modOffset = selectedIndex - 4;
 
-			loadButton.Text = modInstallStatus[mod] ? "Load Mod" : "Install Assets";
+			loadButton.Text = !modPrerequisitesFulfilled[mod.Id] ? "Install mod" :
-
+				modInstallStatus[mod] ? "Load Mod" : "Install Assets";
-			loadButton.Text = modPrerequisitesFulfilled[mod.Id] ? loadButton.Text : "Prerequisites missing!";
 		}
 
 		void LoadMod(ModMetadata mod)
 		{
+			if (!modPrerequisitesFulfilled[mod.Id])
+			{
+				var widgetArgs = new WidgetArgs
+				{
+					{ "modId", mod.Id }
+				};
+
+				Ui.OpenWindow("INSTALL_MOD_PANEL", widgetArgs);
+				return;
+			}
+
 			if (!modInstallStatus[mod])
 			{
 				var widgetArgs = new WidgetArgs

mods/modchooser/install.yaml

@@ -260,3 +260,50 @@ Container@INSTALL_MUSIC_PANEL:
 			Text: Back
 			Font: Bold
 			Key: escape
+Container@INSTALL_MOD_PANEL:
+	Logic: InstallModLogic
+	X: (WINDOW_RIGHT - WIDTH)/2
+	Y: (WINDOW_BOTTOM - HEIGHT)/2
+	Width: 500
+	Height: 177
+	Children:
+		Background:
+			Width: PARENT_RIGHT
+			Height: PARENT_BOTTOM
+			Background: panel-bg
+		Background@RULE:
+			X: 30
+			Y: 50
+			Width: 440
+			Height: 150
+			Background: panel-rule
+		Label@TITLE:
+			X: 0
+			Y: 12
+			Width: PARENT_RIGHT
+			Height: 25
+			Text: Missing dependencies
+			Align: Center
+			Font: MediumBold
+		Label@DESC:
+			X: 0
+			Y: 65
+			Width: PARENT_RIGHT
+			Height: 25
+			Align: Center
+			Text: Please fully install the following mods then try again:
+		Label@MOD_LIST:
+			X: 0
+			Y: 85
+			Width: PARENT_RIGHT
+			Height: 25
+			Align: Center
+		Button@BACK_BUTTON:
+			X: PARENT_RIGHT - 130
+			Y: PARENT_BOTTOM - 52
+			Background: button-highlighted
+			Width: 110
+			Height: 32
+			Text: Back
+			Font: Bold
+			Key: escape