1 files changed, 103 insertions, 0 deletions

diff --git a/assets/default/js/plugins-admin.js b/assets/default/js/plugins-admin.js
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+++ b/assets/default/js/plugins-admin.js
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+/** @licstart  The following is the entire license notice for the
+ *  JavaScript code in this page.
+ *
+ *   Copyright: (c) 2011-2015 Sébastien SAUVAGE <sebsauvage@sebsauvage.net>
+ *              (c) 2011-2017 The Shaarli Community, see AUTHORS
+ *
+ *   This software is provided 'as-is', without any express or implied warranty.
+ *   In no event will the authors be held liable for any damages arising from
+ *   the use of this software.
+ *
+ *   Permission is granted to anyone to use this software for any purpose,
+ *   including commercial applications, and to alter it and redistribute it
+ *   freely, subject to the following restrictions:
+ *
+ *   1. The origin of this software must not be misrepresented; you must not
+ *   claim that you wrote the original software. If you use this software
+ *   in a product, an acknowledgment in the product documentation would
+ *   be appreciated but is not required.
+ *
+ *   2. Altered source versions must be plainly marked as such, and must
+ *   not be misrepresented as being the original software.
+ *
+ *   3. This notice may not be removed or altered from any source distribution.
+ *
+ *  @licend  The above is the entire license notice
+ *  for the JavaScript code in this page.
+ */
+
+/**
+ * Change the position counter of a row.
+ *
+ * @param elem  Element Node to change.
+ * @param toPos int     New position.
+ */
+function changePos(elem, toPos)
+{
+    var elemName = elem.getAttribute('data-line')
+
+    elem.setAttribute('data-order', toPos);
+    var hiddenInput = document.querySelector('[name="order_'+ elemName +'"]');
+    hiddenInput.setAttribute('value', toPos);
+}
+
+/**
+ * Move a row up or down.
+ *
+ * @param pos  Element Node to move.
+ * @param move int     Move: +1 (down) or -1 (up)
+ */
+function changeOrder(pos, move)
+{
+    var newpos = parseInt(pos) + move;
+    var lines = document.querySelectorAll('[data-order="'+ pos +'"]');
+    var changelines = document.querySelectorAll('[data-order="'+ newpos +'"]');
+
+    // If we go down reverse lines to preserve the rows order
+    if (move > 0) {
+        lines = [].slice.call(lines).reverse();
+    }
+
+    for (var i = 0 ; i < lines.length ; i++) {
+        var parent = changelines[0].parentNode;
+        changePos(lines[i], newpos);
+        changePos(changelines[i], parseInt(pos));
+        var changeItem = move < 0 ? changelines[0] : changelines[changelines.length - 1].nextSibling;
+        parent.insertBefore(lines[i], changeItem);
+    }
+
+}
+
+/**
+ * Move a row up in the table.
+ *
+ * @param pos int row counter.
+ *
+ * @returns false
+ */
+function orderUp(pos)
+{
+    if (pos == 0) {
+        return false;
+    }
+    changeOrder(pos, -1);
+    return false;
+}
+
+/**
+ * Move a row down in the table.
+ *
+ * @param pos int row counter.
+ *
+ * @returns false
+ */
+function orderDown(pos)
+{
+    var lastpos = document.querySelector('[data-order]:last-child').getAttribute('data-order');
+    if (pos == lastpos) {
+        return false;
+    }
+
+    changeOrder(pos, +1);
+    return false;
+}