From e8582f95b1611a147e45fcb85df16d4ff59b3253 Mon Sep 17 00:00:00 2001
From: Matthias Bilger <matthias@bilger.info>
Date: Tue, 15 Nov 2022 21:16:40 +0100
Subject: [PATCH] added stamp

---
 plugins/monaco-wikitext/completion.js   | 66 ++++++++++++++++++++++++-
 plugins/monaco-wikitext/plugin.info     |  2 +-
 plugins/monaco-wikitext/stampprefix.tid |  3 ++
 3 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 plugins/monaco-wikitext/stampprefix.tid

diff --git a/plugins/monaco-wikitext/completion.js b/plugins/monaco-wikitext/completion.js
index cccb53b..c0d6c28 100644
--- a/plugins/monaco-wikitext/completion.js
+++ b/plugins/monaco-wikitext/completion.js
@@ -11,12 +11,15 @@ Wikitext completion support
 
     const { monaco } = require("$:/plugins/smilyorg/monaco/monaco.js");
     const { LANGUAGE_ID } = require("$:/plugins/smilyorg/monaco-wikitext/language.js");
+
+    const STAMP_PREFIX = $tw.wiki.getTiddlerText('$:/config/smilyorg/monaco-wikitext/stampPrefix');
     
     const MATCH_LINK = /(\[\[)([^\|\]]*)(\|?)([^\]]*)(\]?\]?)/;
+    const MATCH_STAMP = new RegExp(`(${STAMP_PREFIX}${STAMP_PREFIX})([A-Za-z0-9_-]*)`, "");;
     const MATCH_TRANSCLUSION = /({{)([^}]*)(}?}?)/;
 
     monaco.languages.registerCompletionItemProvider(LANGUAGE_ID, {
-        triggerCharacters: ["[", "|", "{"],
+        triggerCharacters: ["[", "|", "{", STAMP_PREFIX],
         resolveCompletionItem(item) {
             const title = item.label;
             const tiddler = $tw.wiki.getTiddler(title);
@@ -82,6 +85,27 @@ Wikitext completion support
                     };
                 }
             }
+            let templateStart = findNearestDoubleChar(text, textPos, ";");
+            if (context.triggerKind == monaco.languages.CompletionTriggerKind.TriggerCharacter) {
+                switch (context.triggerCharacter) {
+                    case ";":
+                        // When triggered by [, ignore if not double [
+                        if (templateStart == -1 || templateStart != textPos-2) {
+                            return null;
+                        }
+                        break;
+                }
+            }
+            
+            if (templateStart != -1) {
+                const templateSuggestions = getTemplateSuggestions(text, templateStart, textPos, range);
+                if (templateSuggestions) {
+                    return {
+                        incomplete: true,
+                        suggestions: templateSuggestions,
+                    };
+                }
+            }
             
             let transStart = findNearestDoubleChar(text, textPos, "{");
             // When triggered by {, ignore if not double {
@@ -177,10 +201,48 @@ Wikitext completion support
         return suggestions;
     }
     
+    function getTemplateSuggestions(text, start, cursor, range) {
+        const contents = text.substr(start);
+        const link = MATCH_STAMP.exec(contents);
+        if (!link || link.length == 0) {
+            return null;
+        }
+        
+        const end = start + link[0].length;
+        if (cursor > end) {
+            return null;
+        }
+
+        let title = link[2];
+
+        let titles = $tw.wiki.getTagMap()["$:/stamp"].filter(word => word.includes(title));
+        const suggestions = [];
+        for (let i = 0; i < titles.length; i++) {
+            let title = titles[i];
+            if (title.lastIndexOf('/') >= 0){
+                title = title.substr(title.lastIndexOf('/')+1);
+            }
+            const insertText = `${title}`;
+            suggestions.push({
+                kind: monaco.languages.CompletionItemKind.Field,
+                label: insertText,
+                filterText: `;;${title}`,
+                range: {
+                    startLineNumber: range.startLineNumber,
+                    endLineNumber: range.endLineNumber,
+                    startColumn: range.startColumn + start,
+                    endColumn: range.startColumn + end,
+                },
+                insertText: $tw.wiki.getTiddlerText(titles[i]),
+            })
+        }
+        
+        return suggestions;
+    }
+
     function getTransclusionSuggestions(text, start, cursor, range) {
         const contents = text.substr(start);
         const trans = MATCH_TRANSCLUSION.exec(contents);
-        console.log(MATCH_TRANSCLUSION, text, start, contents);
         if (!trans || trans.length == 0) {
             return null;
         }
diff --git a/plugins/monaco-wikitext/plugin.info b/plugins/monaco-wikitext/plugin.info
index 0f4aa69..65ba585 100644
--- a/plugins/monaco-wikitext/plugin.info
+++ b/plugins/monaco-wikitext/plugin.info
@@ -8,5 +8,5 @@
     "source": "https://github.com/smilyorg/tw5-monaco",
     "plugin-type": "plugin",
     "parent-plugin": "$:/plugins/smilyorg/monaco",
-	"list": "readme license"
+	"list": "readme license stampprefix"
 }
diff --git a/plugins/monaco-wikitext/stampprefix.tid b/plugins/monaco-wikitext/stampprefix.tid
new file mode 100644
index 0000000..9f4ad47
--- /dev/null
+++ b/plugins/monaco-wikitext/stampprefix.tid
@@ -0,0 +1,3 @@
+title: $:/config/smilyorg/monaco-wikitext/stampPrefix
+
+;