1 files changed, 85 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/js/multi_column_sort.js b/srcs/phpmyadmin/js/multi_column_sort.js
new file mode 100644
index 0000000..1d835cf
--- /dev/null
+++ b/srcs/phpmyadmin/js/multi_column_sort.js
@@ -0,0 +1,85 @@
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * @fileoverview    Implements the shiftkey + click remove column
+ *                  from order by clause funcationality
+ * @name            columndelete
+ *
+ * @requires    jQuery
+ */
+
+function captureURL (url) {
+    var newUrl = '' + url;
+    var URL = {};
+    // Exclude the url part till HTTP
+    newUrl = newUrl.substr(newUrl.search('sql.php'), newUrl.length);
+    // The url part between ORDER BY and &session_max_rows needs to be replaced.
+    URL.head = newUrl.substr(0, newUrl.indexOf('ORDER+BY') + 9);
+    URL.tail = newUrl.substr(newUrl.indexOf('&session_max_rows'), newUrl.length);
+    return URL;
+}
+
+/**
+ * This function is for navigating to the generated URL
+ *
+ * @param object   target HTMLAnchor element
+ * @param object   parent HTMLDom Object
+ */
+
+function removeColumnFromMultiSort (target, parent) {
+    var URL = captureURL(target);
+    var begin = target.indexOf('ORDER+BY') + 8;
+    var end = target.indexOf(CommonParams.get('arg_separator') + 'session_max_rows');
+    // get the names of the columns involved
+    var betweenPart = target.substr(begin, end - begin);
+    var columns = betweenPart.split('%2C+');
+    // If the given column is not part of the order clause exit from this function
+    var index = parent.find('small').length ? parent.find('small').text() : '';
+    if (index === '') {
+        return '';
+    }
+    // Remove the current clicked column
+    columns.splice(index - 1, 1);
+    // If all the columns have been removed dont submit a query with nothing
+    // After order by clause.
+    if (columns.length === 0) {
+        var head = URL.head;
+        head = head.slice(0,head.indexOf('ORDER+BY'));
+        URL.head = head;
+        // removing the last sort order should have priority over what
+        // is remembered via the RememberSorting directive
+        URL.tail += CommonParams.get('arg_separator') + 'discard_remembered_sort=1';
+    }
+    URL.head = URL.head.substring(URL.head.indexOf('?') + 1);
+    var middlePart = columns.join('%2C+');
+    var params = URL.head + middlePart + URL.tail;
+    return params;
+}
+
+AJAX.registerOnload('keyhandler.js', function () {
+    $('th.draggable.column_heading.pointer.marker a').on('click', function (event) {
+        var url = $(this).parent().find('input').val();
+        var argsep = CommonParams.get('arg_separator');
+        var params;
+        if (event.ctrlKey || event.altKey) {
+            event.preventDefault();
+            params = removeColumnFromMultiSort(url, $(this).parent());
+            if (params) {
+                AJAX.source = $(this);
+                Functions.ajaxShowMessage();
+                params += argsep + 'ajax_request=true' + argsep + 'ajax_page_request=true';
+                $.post('sql.php', params, AJAX.responseHandler);
+            }
+        } else if (event.shiftKey) {
+            event.preventDefault();
+            AJAX.source = $(this);
+            Functions.ajaxShowMessage();
+            params = url.substring(url.indexOf('?') + 1);
+            params += argsep + 'ajax_request=true' + argsep + 'ajax_page_request=true';
+            $.post('sql.php', params, AJAX.responseHandler);
+        }
+    });
+});
+
+AJAX.registerTeardown('keyhandler.js', function () {
+    $(document).off('click', 'th.draggable.column_heading.pointer.marker a');
+});