File sorting (client side)

2026-08-06 22:23:10 +07:00 · 2013-07-29 01:57:18 +02:00
parent cd97382f60
commit 74132103bb
8 changed files with 2397 additions and 134 deletions
@@ -0,0 +1,111 @@
+/*
+ jQuery UI Sortable plugin wrapper
+
+ @param [ui-sortable] {object} Options to pass to $.fn.sortable() merged onto ui.config
+*/
+angular.module('ui.sortable', [])
+  .value('uiSortableConfig',{})
+  .directive('uiSortable', [ 'uiSortableConfig',
+        function(uiSortableConfig) {
+        return {
+          require: '?ngModel',
+          link: function(scope, element, attrs, ngModel) {
+
+              function combineCallbacks(first,second){
+                  if( second && (typeof second === "function") ){
+                      return function(e,ui){
+                          first(e,ui);
+                          second(e,ui);
+                      };
+                  }
+                  return first;
+              }
+
+            var opts = {};
+
+            var callbacks = {
+                receive: null,
+                remove:null,
+                start:null,
+                stop:null,
+                update:null
+            };
+
+            angular.extend(opts, uiSortableConfig);
+
+            if (ngModel) {
+
+              ngModel.$render = function() {
+                element.sortable( "refresh" );
+              };
+
+              callbacks.start = function(e, ui) {
+                // Save position of dragged item
+                ui.item.sortable = { index: ui.item.index() };
+              };
+
+              callbacks.update = function(e, ui) {
+                // For some reason the reference to ngModel in stop() is wrong
+                ui.item.sortable.resort = ngModel;
+              };
+
+              callbacks.receive = function(e, ui) {
+                ui.item.sortable.relocate = true;
+                // added item to array into correct position and set up flag
+                ngModel.$modelValue.splice(ui.item.index(), 0, ui.item.sortable.moved);
+              };
+
+              callbacks.remove = function(e, ui) {
+                // copy data into item
+                if (ngModel.$modelValue.length === 1) {
+                  ui.item.sortable.moved = ngModel.$modelValue.splice(0, 1)[0];
+                } else {
+                  ui.item.sortable.moved =  ngModel.$modelValue.splice(ui.item.sortable.index, 1)[0];
+                }
+              };
+
+              callbacks.stop = function(e, ui) {
+                // digest all prepared changes
+                if (ui.item.sortable.resort && !ui.item.sortable.relocate) {
+
+                  // Fetch saved and current position of dropped element
+                  var end, start;
+                  start = ui.item.sortable.index;
+                  end = ui.item.index();
+
+                  // Reorder array and apply change to scope
+                  ui.item.sortable.resort.$modelValue.splice(end, 0, ui.item.sortable.resort.$modelValue.splice(start, 1)[0]);
+
+                }
+                if (ui.item.sortable.resort || ui.item.sortable.relocate) {
+                  scope.$apply();
+                }
+              };
+
+            }
+
+
+              scope.$watch(attrs.uiSortable, function(newVal, oldVal){
+                  angular.forEach(newVal, function(value, key){
+
+                      if( callbacks[key] ){
+                          // wrap the callback
+                          value = combineCallbacks( callbacks[key], value );
+                      }
+
+                      element.sortable('option', key, value);
+                  });
+              }, true);
+
+              angular.forEach(callbacks, function(value, key ){
+
+                    opts[key] = combineCallbacks(value, opts[key]);
+              });
+
+              // Create sortable
+
+            element.sortable(opts);
+          }
+        };
+      }
+]);