Merge pull request escoz#668 from luketheobscure/delete_support

Notify QuickDialogController when tableViewCell will be deleted
kozkozkoz · Apr 13, 2014 · 8394bb2 · 8394bb2
2 parents c27fd07 + 76de93c
commit 8394bb2
Show file tree

Hide file tree

Showing 5 changed files with 23 additions and 0 deletions.
diff --git a/quickdialog/QuickDialogController.h b/quickdialog/QuickDialogController.h
@@ -51,6 +51,11 @@
 
 + (QuickDialogController *)controllerForRoot:(QRootElement *)root;
 
+/**
+ Called before a cell is removed from the tableView.
+*/
+- (void)willDeleteElement:(QElement *)element;
+
 + (UINavigationController *)controllerWithNavigationForRoot:(QRootElement *)root;
 
 

diff --git a/quickdialog/QuickDialogController.m b/quickdialog/QuickDialogController.m
@@ -148,6 +148,9 @@ - (QuickDialogController *)controllerForRoot:(QRootElement *)root {
     return [QuickDialogController buildControllerWithClass:controllerClass root:root];
 }
 
+- (void)willDeleteElement:(QElement *)element{
+    // Intentionally empty.
+}
 
 - (void) resizeForKeyboard:(NSNotification*)aNotification {
     if (!_viewOnScreen)

diff --git a/quickdialog/QuickDialogDataSource.m b/quickdialog/QuickDialogDataSource.m
@@ -58,6 +58,16 @@ - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)
 
 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
     QSortingSection *section = ((QSortingSection *) [_tableView.root getVisibleSectionForIndex: indexPath.section]);
+
+    QElement *element;
+    if (section.elements.count >= indexPath.row) {
+        element = section.elements[indexPath.row];
+    }
+
+    if ([element.controller respondsToSelector:@selector(willDeleteElement:)]) {
+        [(QuickDialogController *)element.controller willDeleteElement:element];
+    }
+
     if ([section removeElementForRow:indexPath.row]){
         [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
     }

diff --git a/sample/ExampleViewController.m b/sample/ExampleViewController.m
@@ -69,6 +69,10 @@ - (void)displayViewControllerForRoot:(QRootElement *)element {
     }
 }
 
+-(void)willDeleteElement:(QElement *)element{
+    // Optionally you could remove the element from your data source here.
+}
+
 
 -(void)setTheme:(QElement *)element  {
 

diff --git a/sample/SampleDataBuilder.m b/sample/SampleDataBuilder.m
@@ -597,6 +597,7 @@ + (QRootElement *)createSortingRoot {
 
     QSortingSection *sortingSection = [[QSortingSection alloc] init];
     sortingSection.key = @"sortedSection";
+    sortingSection.canDeleteRows = YES;
     [sortingSection addElement:[[QLabelElement alloc] initWithTitle:@"First" Value:@"1"]];
     [sortingSection addElement:[[QLabelElement alloc] initWithTitle:@"Second" Value:@"2"]];
     [sortingSection addElement:[[QLabelElement alloc] initWithTitle:@"Third" Value:@"3"]];
-Original file line number
+Diff line change
@@ Expand Up @@
         }
     }
+    -(void)willDeleteElement:(QElement *)element{
+        // Optionally you could remove the element from your data source here.
+    }
     -(void)setTheme:(QElement *)element  {
@@ Expand Down @@