From ff8129188401df929be735228ee9161742e76ba5 Mon Sep 17 00:00:00 2001
From: Marty <marty.oehme@gmail.com>
Date: Wed, 21 Nov 2018 16:07:57 +0000
Subject: [PATCH] initial commit

---
 zettel.qml | 183 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 zettel.qml

diff --git a/zettel.qml b/zettel.qml
new file mode 100644
index 0000000..711b757
--- /dev/null
+++ b/zettel.qml
@@ -0,0 +1,183 @@
+import QtQml 2.0
+import QOwnNotesTypes 1.0
+import com.qownnotes.noteapi 1.0
+
+QtObject {
+  function init() {
+      script.registerCustomAction("zettelCreate", "Create Zettelkasten Zettel", "Zettel", "address-book-new");
+      script.registerCustomAction("manualLink", "Insert Zettelkasten Link", "InsertLink", "insert-link");
+      script.registerCustomAction("jumpToId", "Follow Zettelkasten Link", "Link", "go-next");
+  }
+
+  function customActionInvoked(identifier) {
+    switch(identifier) {
+    case "zettelCreate":
+      onZettelCreateClicked();
+      break;
+    case "jumpToId":
+      onJumpToZettelClicked();
+      break;
+    case "manualLink":
+      onInsertLinkClicked();
+      break;
+    }
+  }
+
+// ----------------------------
+// ----- BUTTON FUNCTIONS -----
+// ----------------------------
+
+  function onZettelCreateClicked() {
+    let uid = exactDate();
+    let selected = script.noteTextEditSelectedText();
+
+    // Link the from the old Zettel to the new one if anything was selected
+    if(selected !== "") {
+      script.log("selected: " + selected);
+      createLinkInPlace(uid, selected);
+    }
+
+    // Create a Zettel
+    createZettel(uid, selected);
+  }
+
+  function onInsertLinkClicked() {
+    let selected = script.noteTextEditSelectedText();
+    let clipboard = script.clipboard();
+
+    let uid = null
+    if (verifyZettelId(clipboard)) {
+      uid = verifyZettelId(clipboard);
+    } else {
+      let otherNote = zettelSelectorDialog(true);
+      uid = extractZettelIdFromString(otherNote.noteText);
+    }
+
+    if (uid == null) {
+      return;
+    }
+    createLinkInPlace(uid, selected)
+  }
+
+  function onJumpToZettelClicked() {
+    let selected = verifyZettelId(script.noteTextEditSelectedText());
+
+    if(selected == false) {
+      script.setCurrentNote(zettelSelectorDialog(true));
+    } else {
+      script.setCurrentNote(getNoteByZettelId(selected));
+    }
+  }
+
+// ----------------------------
+// --- Autocomplete Linking ---
+// ----------------------------
+
+  function autocompletionHook() {
+    let uid = verifyZettelId(script.noteTextEditCurrentWord(false));
+
+    if(uid == false) {
+      return [];
+    }
+
+    let zettel = getNoteByZettelId(uid);
+    script.log("Autocomplete detected, Switch to §§" + uid + " - " + zettel.name)
+
+    script.setCurrentNote(zettel);
+
+    return [];
+  }
+
+
+// ----------------------------
+// ---- Internal Functions ----
+// ----------------------------
+
+  function zettelSelectorDialog(editableTextBox, zettelArray) {
+    if (zettelArray == null) {
+      zettelArray = [];
+      script.fetchNoteIdsByNoteTextPart("§§").forEach(function (noteId){
+        let note = script.fetchNoteById(noteId);
+        zettelArray.push(note.name + " --id:"+note.id);
+      });
+    }
+
+    let selected = script.inputDialogGetItem("Zettel", "Select a Zettel", zettelArray, 0, editableTextBox);
+
+    return script.fetchNoteById(selected.substring(selected.search(/--id:/)+5));
+  }
+
+  function extractZettelIdFromString(text) {
+    let markerpos = text.search(/§§\d{14}\s/) + 2;
+    if (markerpos == -1) {
+      script.log("No Zettel ID Found in text");
+      return;
+    }
+    return text.substring(markerpos, markerpos+14);
+  }
+
+  function verifyZettelId(id) {
+    if (id.match(/^§§\d{14}$/) != null) {
+      return id.substring(2);
+    } else if (id.match(/^\d{14}$/) != null) {
+      return id;
+    } else {
+      return false;
+    }
+  }
+
+  function getNoteByZettelId(uid) {
+    let noteId = script.fetchNoteIdsByNoteTextPart("§§" + uid);
+    if (noteId.length == 0) {
+      script.log("No note found for Zettel ID: §§" + uid);
+      return;
+    }
+    return script.fetchNoteById(noteId[0]);
+  }
+
+  function createLinkInPlace(uid, selected) {
+    script.noteTextEditWrite("["+selected+"](zettel://"+uid+")");
+  }
+
+  function createZettel(uid, headline) {
+    // Create Headline - empty if nothing selected
+    if (headline == "") {
+      headline = "Zettel"
+    }
+    let text = headline.toString() + "\n";
+
+    // Create Headline Separator
+    text += "===============\n";
+
+    // Create uid tag
+    text += "§§" + uid.toString() + "\n\n";
+
+    // Create content unit (i.e. space)
+    text += "\n\n\n\n\n";
+
+    // Create Related unit - FIXME add option to automatically link back to the card this was created from
+    text += "## Related\n\n\n\n";
+
+    // Create Source unit
+    text += "## Reference\n\n";
+
+    script.createNote(text);
+    return script.currentNote();
+  }
+
+  function exactDate() {
+    let date = new Date();
+    return (""
+    + date.getUTCFullYear().toString()
+    + padToLen2((date.getUTCMonth()+1).toString())
+    + padToLen2( date.getUTCDate().toString())
+    + padToLen2( date.getUTCHours().toString())
+    + padToLen2( date.getUTCMinutes().toString())
+    + padToLen2( date.getUTCSeconds().toString())
+    );
+  }
+
+  function padToLen2(text) {
+    return ("00" + text).slice(-2)
+  }
+}