Added the overloaded function

bool hasElementPrefix(Plasma::Location location) const;

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=803268

panelsvg.cpp

@@ -154,13 +154,6 @@ void PanelSvg::setElementPrefix(Plasma::Location location)
     d->location = location;
 }
 
-bool PanelSvg::hasElementPrefix(const QString & prefix) const
-{
-    //for now it simply checks if a center element exists,
-    //because it could make sense for certain themes to not have all the elements
-    return hasElement(prefix + "-center");
-}
-
 void PanelSvg::setElementPrefix(const QString & prefix)
 {
     const QString oldPrefix(d->prefix);
@@ -191,6 +184,34 @@ void PanelSvg::setElementPrefix(const QString & prefix)
     d->location = Floating;
 }
 
+bool PanelSvg::hasElementPrefix(const QString & prefix) const
+{
+    //for now it simply checks if a center element exists,
+    //because it could make sense for certain themes to not have all the elements
+    return hasElement(prefix + "-center");
+}
+
+bool PanelSvg::hasElementPrefix(Plasma::Location location) const
+{
+    switch (location) {
+        case TopEdge:
+            return hasElementPrefix("north");
+            break;
+        case BottomEdge:
+            return hasElementPrefix("south");
+            break;
+        case LeftEdge:
+            return hasElementPrefix("west");
+            break;
+        case RightEdge:
+            return hasElementPrefix("east");
+            break;
+        default:
+            return hasElementPrefix(QString());
+            break;
+    }
+}
+
 QString PanelSvg::prefix()
 {
     if (d->prefix.isEmpty()) {

panelsvg.h

@@ -140,6 +140,16 @@ class PLASMA_EXPORT PanelSvg : public Svg
          */
         bool hasElementPrefix(const QString & prefix) const;
 
+        /**
+         * This is an overloaded method provided for convenience equivalent to 
+         * hasElementPrefix("north"), hasElementPrefix("south")
+         * hasElementPrefix("west") and hasElementPrefix("east")
+         * @return true if the svg has the necessary elements with the given prefix
+         * to draw a panel.
+         * @arg location the given prefix we want to check if drawable
+         */
+        bool hasElementPrefix(Plasma::Location location) const;
+
         /**
          * Returns the prefix for SVG elements of the PanelSvg
          * @return the prefix