2024-10-10

web/bsadmin/assets/js/lib/jsgrid/jsgrid.load-strategies.js

@@ -0,0 +1,122 @@
+(function(jsGrid, $, undefined) {
+
+    function DirectLoadingStrategy(grid) {
+        this._grid = grid;
+    }
+
+    DirectLoadingStrategy.prototype = {
+
+        firstDisplayIndex: function() {
+            var grid = this._grid;
+            return grid.option("paging") ? (grid.option("pageIndex") - 1) * grid.option("pageSize") : 0;
+        },
+
+        lastDisplayIndex: function() {
+            var grid = this._grid;
+            var itemsCount = grid.option("data").length;
+
+            return grid.option("paging")
+                ? Math.min(grid.option("pageIndex") * grid.option("pageSize"), itemsCount)
+                : itemsCount;
+        },
+
+        itemsCount: function() {
+            return this._grid.option("data").length;
+        },
+
+        openPage: function(index) {
+            this._grid.refresh();
+        },
+
+        loadParams: function() {
+            return {};
+        },
+
+        sort: function() {
+            this._grid._sortData();
+            this._grid.refresh();
+            return $.Deferred().resolve().promise();
+        },
+
+        reset: function() {
+            this._grid.refresh();
+            return $.Deferred().resolve().promise();
+        },
+
+        finishLoad: function(loadedData) {
+            this._grid.option("data", loadedData);
+        },
+
+        finishInsert: function(insertedItem) {
+            var grid = this._grid;
+            grid.option("data").push(insertedItem);
+            grid.refresh();
+        },
+
+        finishDelete: function(deletedItem, deletedItemIndex) {
+            var grid = this._grid;
+            grid.option("data").splice(deletedItemIndex, 1);
+            grid.reset();
+        }
+    };
+
+
+    function PageLoadingStrategy(grid) {
+        this._grid = grid;
+        this._itemsCount = 0;
+    }
+
+    PageLoadingStrategy.prototype = {
+
+        firstDisplayIndex: function() {
+            return 0;
+        },
+
+        lastDisplayIndex: function() {
+            return this._grid.option("data").length;
+        },
+
+        itemsCount: function() {
+            return this._itemsCount;
+        },
+
+        openPage: function(index) {
+            this._grid.loadData();
+        },
+
+        loadParams: function() {
+            var grid = this._grid;
+            return {
+                pageIndex: grid.option("pageIndex"),
+                pageSize: grid.option("pageSize")
+            };
+        },
+
+        reset: function() {
+            return this._grid.loadData();
+        },
+
+        sort: function() {
+            return this._grid.loadData();
+        },
+
+        finishLoad: function(loadedData) {
+            this._itemsCount = loadedData.itemsCount;
+            this._grid.option("data", loadedData.data);
+        },
+
+        finishInsert: function(insertedItem) {
+            this._grid.search();
+        },
+
+        finishDelete: function(deletedItem, deletedItemIndex) {
+            this._grid.search();
+        }
+    };
+
+    jsGrid.loadStrategies = {
+        DirectLoadingStrategy: DirectLoadingStrategy,
+        PageLoadingStrategy: PageLoadingStrategy
+    };
+
+}(jsGrid, jQuery));