From 63f714d5a78b765c117ebf6bbdfdbd748dd45644 Mon Sep 17 00:00:00 2001
From: George Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Thu, 4 May 2023 03:02:01 +0300
Subject: authentication; invitation; activation; base form setup

---
 public/assets/js/invitation.md | 51 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 public/assets/js/invitation.md

(limited to 'public/assets/js/invitation.md')

diff --git a/public/assets/js/invitation.md b/public/assets/js/invitation.md
new file mode 100644
index 0000000..ebcf0f7
--- /dev/null
+++ b/public/assets/js/invitation.md
@@ -0,0 +1,51 @@
+# SELECT2 HANDLING
+
+handling select2 properties (case-study javascript code)
+
+
+## get all options' loop through all ...
+
+    opts = $('#sector').select2()[0].options
+    for(i=0; i<opts.length; i++) { el = opts[i]; console.log(el.value, el.text); }
+
+
+
+## set option by selected 'TEXT'
+
+    var id;
+    for(i=0; i<opts.length; i++) { if (opts[i].text == 'TEXT') id = i; }
+    $('#sector').val(id).trigger('change);
+
+
+
+## prepare as functions
+
+    function select2_set_text(control, t) {   /* define function */
+        opts = control.select2()[0].options;
+        var id;
+        for(i=0; i<opts.length; i++) { if (opts[i].text == t) id = i; }
+        control.val(id).trigger('change');
+    }
+    select2_set_text( $('#sector') , '04 Physics')   /* call */
+
+
+
+## in multiple select2 ...
+
+    function get_id_of_text( control , t) {    /* define id from text */
+        opts = control.select2()[0].options;
+        var id = false;
+        for(i=0; i<opts.length; i++) {
+            if (opts[i].text == t) id = i;
+        }
+        return id;
+    }
+    function select2_set_multi_text(control, t_list) {   /* define function */
+        var ids = [];
+        t_list.forEach (t => { let id = get_id_of_text(control, t);
+                if (id !== false) ids.push(id);
+        })
+        control.val(ids).change();
+    }
+    select2_set_multi_text( $('#tags') , ['crime', '90s'])  /* call */
+
-- 
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