Fix change of page size

Author: gustavnavar

gridcore/src/main/java/me/agno/gridcore/Grid.java

@@ -259,7 +259,7 @@ protected void prepareItemsToDisplay() {
             this.orderList = this.sortProcessor.process(this.orderList);
             if(this.orderList != null && ! this.orderList.isEmpty())
                 this.criteriaQuery.orderBy(this.orderList);
-            this.itemsToList = this.pagerProcessor.process(this.criteriaQuery).getResultList();
+            this.itemsToList = ((PagerProcessor<T>)this.pagerProcessor).process(this.criteriaQuery, getItemsCount()).getResultList();
         }
     }
 

gridcore/src/main/java/me/agno/gridcore/pagination/GridPager.java

@@ -17,25 +17,65 @@ public class GridPager<T> implements IGridPager<T> {
     public final static String DEFAULT_VIRTUALIZED_COUNT_QUERY_PARAMETER = "grid-virt-count";
     public final static String DEFAULT_NO_TOTALS_PARAMETER = "grid-no-totals";
 
+    private final CustomQueryStringBuilder queryBuilder;
+
+
     @Getter
     private final IGrid<T> grid;
 
-    private final CustomQueryStringBuilder queryBuilder;
-
     private int currentPage;
 
+    public int getCurrentPage() {
+
+        if (this.currentPage >= 0 || this.grid.getPagingType() == PagingType.VIRTUALIZATION) return this.currentPage;
+        var currentPageParameter = this.grid.getQuery().get(this.parameterName);
+        if(currentPageParameter != null && currentPageParameter.size() == 1)
+            this.currentPage = Integer.parseInt(currentPageParameter.get(0));
+        else
+            this.currentPage = 1;
+
+        if (this.currentPage > this.pageCount)
+            this.currentPage = this.pageCount;
+        return this.currentPage;
+    }
+
+    public void setCurrentPage(int value) {
+        this.currentPage = value;
+        RecalculatePages();
+    }
+
     @Getter
-    private int itemsCount;
+    private long itemsCount;
+
+    public void setItemsCount(long value) {
+        this.itemsCount = value;
+        RecalculatePages();
+    }
 
     @Getter
     private int maxDisplayedPages = DEFAULT_MAX_DISPLAYED_PAGES;
 
+    public void setMaxDisplayedPages(int value) {
+        this.maxDisplayedPages = value;
+        RecalculatePages();
+    }
+
     @Getter
     private int pageSize;
 
+    public void setPageSize(int value) {
+        this.pageSize = value;
+        RecalculatePages();
+    }
+
     @Getter
     private int queryPageSize;
 
+    public void setQueryPageSize(int value) {
+        this.queryPageSize = value;
+        RecalculatePages();
+    }
+
     @Getter
     @Setter
     private int startIndex = 0;
@@ -99,47 +139,8 @@ public GridPager(IGrid<T> grid) {
         }
     }
 
-    public void initialize(int count) {
-        this.itemsCount = count;
-    }
-
-    public void setPageSize(int value) {
-        this.pageSize = value;
-        RecalculatePages();
-    }
-
-    public void setQueryPageSize(int value) {
-        this.queryPageSize = value;
-        RecalculatePages();
-    }
-
-    public int getCurrentPage() {
-
-        if (this.currentPage >= 0 || this.grid.getPagingType() == PagingType.VIRTUALIZATION) return this.currentPage;
-        var currentPageParameter = this.grid.getQuery().get(this.parameterName);
-        if(currentPageParameter != null && currentPageParameter.size() == 1)
-            this.currentPage = Integer.parseInt(currentPageParameter.get(0));
-        else
-            this.currentPage = 1;
-
-        if (this.currentPage > this.pageCount)
-            this.currentPage = this.pageCount;
-        return this.currentPage;
-    }
-
-    public void setCurrentPage(int value) {
-        this.currentPage = value;
-        RecalculatePages();
-    }
-
-    public void setItemsCount(int value) {
-        this.itemsCount = value;
-        RecalculatePages();
-    }
-
-    public void setMaxDisplayedPages(int value) {
-        this.maxDisplayedPages = value;
-        RecalculatePages();
+    public void initialize(long count) {
+        setItemsCount(count);
     }
 
     protected void RecalculatePages() {

gridcore/src/main/java/me/agno/gridcore/pagination/IGridPager.java

@@ -6,7 +6,7 @@ public interface IGridPager<T> {
 
     IGrid<T> getGrid();
 
-    void initialize(int count);
+    void initialize(long count);
 
     int getPageSize();
 
@@ -18,9 +18,9 @@ public interface IGridPager<T> {
 
     int getCurrentPage();
 
-    int getItemsCount();
+    long getItemsCount();
 
-    void setItemsCount(int itemsCount);
+    void setItemsCount(long itemsCount);
 
     int getStartIndex();
 

gridcore/src/main/java/me/agno/gridcore/pagination/PagerProcessor.java

@@ -17,7 +17,7 @@ public PagerProcessor(IGrid<T> grid) {
         this.grid = grid;
     }
 
-    public TypedQuery<T> process(CriteriaQuery<T> items, int count) {
+    public TypedQuery<T> process(CriteriaQuery<T> items, long count) {
         this.grid.getPager().initialize(count);
         return process(items);
     }