From e752ba7c6abcdde229258aa1562e6de518c3556e Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@jermolene.com>
Date: Wed, 25 Sep 2019 21:57:22 +0100
Subject: [PATCH] Use the dependents and parent-plugin fields to automatically
 install dependencies

---
 core/ui/ControlPanel/Modals/AddPlugins.tid | 17 +++++++++++++++++
 plugins/tiddlywiki/aws/plugin.info         |  3 ++-
 plugins/tiddlywiki/text-slicer/plugin.info |  3 ++-
 plugins/tiddlywiki/xlsx-utils/plugin.info  |  3 ++-
 4 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/core/ui/ControlPanel/Modals/AddPlugins.tid b/core/ui/ControlPanel/Modals/AddPlugins.tid
index 95159bc9b..f5b35b53c 100644
--- a/core/ui/ControlPanel/Modals/AddPlugins.tid
+++ b/core/ui/ControlPanel/Modals/AddPlugins.tid
@@ -5,6 +5,13 @@ subtitle: {{$:/core/images/download-button}} {{$:/language/ControlPanel/Plugins/
 <div>
 <$button class={{{ [<assetInfo>get[original-title]get[version]then[tc-reinstall]] tc-btn-invisible tc-install-plugin +[join[ ]] }}}>
 <$action-sendmessage $message="tm-load-plugin-from-library" url={{!!url}} title={{$(assetInfo)$!!original-title}}/>
+<$set name="url" value={{!!url}}>
+<$set name="currentTiddler" value=<<assetInfo>>>
+<$list filter="[enlist{!!dependents}] [{!!parent-plugin}] +[sort[title]]" variable="dependency">
+<$action-sendmessage $message="tm-load-plugin-from-library" url=<<url>> title=<<dependency>>/>
+</$list>
+</$set>
+</$set>
 {{$:/core/images/download-button}}
 <$list filter="[<assetInfo>get[original-title]get[version]]" variable="installedVersion" emptyMessage="""{{$:/language/ControlPanel/Plugins/Install/Caption}}""">
 {{$:/language/ControlPanel/Plugins/Reinstall/Caption}}
@@ -57,6 +64,16 @@ $:/state/add-plugin-info/$(connectionTiddler)$/$(assetInfo)$
 {{$:/language/ControlPanel/Plugins/AlreadyInstalled/Hint}}
 </em>
 </$list>
+<$set name="currentTiddler" value=<<assetInfo>>>
+<$list filter="[enlist{!!dependents}] [<currentTiddler>get[parent-plugin]] +[limit[1]]" variable="ignore">
+<div>
+Also requires:
+<$list filter="[enlist{!!dependents}] [{!!parent-plugin}] +[sort[title]]" variable="dependency">
+<$text text=<<dependency>>/>
+</$list>
+</div>
+</$list>
+</$set>
 </div>
 <div class="tc-plugin-info-dropdown-body">
 <$transclude tiddler=<<assetInfo>> field="readme" mode="block"/>
diff --git a/plugins/tiddlywiki/aws/plugin.info b/plugins/tiddlywiki/aws/plugin.info
index 89f248824..e01c82d7c 100644
--- a/plugins/tiddlywiki/aws/plugin.info
+++ b/plugins/tiddlywiki/aws/plugin.info
@@ -2,5 +2,6 @@
 	"title": "$:/plugins/tiddlywiki/aws",
 	"name": "AWS",
 	"description": "Amazon Web Services extensions and tools",
-	"list": "readme setup commands lambda"
+	"list": "readme setup commands lambda",
+	"dependents": ["$:/plugins/tiddlywiki/async","$:/plugins/tiddlywiki/jszip"]
 }
diff --git a/plugins/tiddlywiki/text-slicer/plugin.info b/plugins/tiddlywiki/text-slicer/plugin.info
index 937014060..a05456570 100644
--- a/plugins/tiddlywiki/text-slicer/plugin.info
+++ b/plugins/tiddlywiki/text-slicer/plugin.info
@@ -2,5 +2,6 @@
 	"title": "$:/plugins/tiddlywiki/text-slicer",
 	"name": "Text Slicer",
 	"description": "Tools for slicing text into tiddlers",
-	"list": "readme docs"
+	"list": "readme docs",
+	"dependents": ["$:/plugins/tiddlywiki/sax"]
 }
diff --git a/plugins/tiddlywiki/xlsx-utils/plugin.info b/plugins/tiddlywiki/xlsx-utils/plugin.info
index 1fe58b75e..b269439a2 100644
--- a/plugins/tiddlywiki/xlsx-utils/plugin.info
+++ b/plugins/tiddlywiki/xlsx-utils/plugin.info
@@ -2,5 +2,6 @@
 	"title": "$:/plugins/tiddlywiki/xlsx-utils",
 	"name": "XLSX Utils",
 	"description": "XLSX spreadsheet utilities",
-	"list": "readme controls license"
+	"list": "readme controls license",
+	"dependents": ["$:/plugins/tiddlywiki/jszip"]
 }