Improve the remove of an item in the new panel. No need to reload the collection, use QAbstractItemModel::removeRows instead.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4285 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/ElementsCollection/elementcollectionitem.cpp

@@ -44,6 +44,25 @@ void ElementCollectionItem::appendChild(ElementCollectionItem *item) {
 	m_child_items << item;
 }
 
+/**
+ * @brief ElementCollectionItem::removeChild
+ * Remove and delete count childs starting at position row
+ * @param row
+ * @return true if childs was successfully removed
+ */
+bool ElementCollectionItem::removeChild(int row, int count)
+{
+	if (!(0 <= row+count  && row+count <= m_child_items.size())) return false;
+
+	for (int i=0 ; i<count ; i++)
+	{
+		ElementCollectionItem *eci = m_child_items.takeAt(row);
+		delete eci;
+	}
+
+	return true;
+}
+
 /**
  * @brief ElementCollectionItem::child
  * @param row
@@ -177,3 +196,22 @@ QList<ElementCollectionItem *> ElementCollectionItem::items() const
 		list.append(eci->items());
 	return list;
 }
+
+/**
+ * @brief ElementCollectionItem::canRemoveContent
+ * @return true if this item can remove the content that he represent
+ * By default return false.
+ */
+bool ElementCollectionItem::canRemoveContent() {
+	return false;
+}
+
+/**
+ * @brief ElementCollectionItem::removeContent
+ * Remove the content that he represent this item (a directory or an element).
+ * This method do nothing and return false. Inherit it, to handle removing
+ * @return true if the content was successfully removed
+ */
+bool ElementCollectionItem::removeContent() {
+	return false;
+}