Fix code that looked up tree items by their displayed text

This no longer works for pages now that they might have IDs displayed.
For ages it's technically still fine, but better to fix those as well to
avoid unpleasant surprises later.

src/PrpShop/Main.cpp

@@ -569,10 +569,10 @@ QPlasmaTreeItem* PrpShopMain::ensurePath(const plLocation& loc, short objType)
     plPageInfo* page = fResMgr.FindPage(loc);
     QPlasmaTreeItem* ageItem = NULL;
     QString ageName = st2qstr(page->getAge());
-    QString pageName = st2qstr(page->getPage());
     for (int i=0; i<fBrowserTree->topLevelItemCount(); i++) {
-        if (fBrowserTree->topLevelItem(i)->text(0) == ageName) {
-            ageItem = (QPlasmaTreeItem*)fBrowserTree->topLevelItem(i);
+        auto topLevelItem = static_cast<QPlasmaTreeItem*>(fBrowserTree->topLevelItem(i));
+        if (topLevelItem->age() == ageName) {
+            ageItem = topLevelItem;
             break;
         }
     }
@@ -581,8 +581,9 @@ QPlasmaTreeItem* PrpShopMain::ensurePath(const plLocation& loc, short objType)
 
     QPlasmaTreeItem* pageItem = NULL;
     for (int i=0; i<ageItem->childCount(); i++) {
-        if (ageItem->child(i)->text(0) == pageName) {
-            pageItem = (QPlasmaTreeItem*)ageItem->child(i);
+        auto child = static_cast<QPlasmaTreeItem*>(ageItem->child(i));
+        if (child->page()->getLocation() == loc) {
+            pageItem = child;
             break;
         }
     }
@@ -1076,8 +1077,9 @@ QPlasmaTreeItem* PrpShopMain::loadPage(plPageInfo* page, QString filename)
         // Find or create the Age folder
         QString ageName = st2qstr(page->getAge());
         for (int i=0; i<fBrowserTree->topLevelItemCount(); i++) {
-            if (fBrowserTree->topLevelItem(i)->text(0) == ageName) {
-                parent = (QPlasmaTreeItem*)fBrowserTree->topLevelItem(i);
+            auto topLevelItem = static_cast<QPlasmaTreeItem*>(fBrowserTree->topLevelItem(i));
+            if (topLevelItem->age() == ageName) {
+                parent = topLevelItem;
                 break;
             }
         }