fix #1124 Initial SplitPanel sizes not working as expected

Author: vegegoku

domino-ui/src/main/java/org/dominokit/domino/ui/splitpanel/HSplitPanel.java

@@ -17,6 +17,8 @@
 
 import static org.dominokit.domino.ui.utils.Domino.*;
 
+import org.dominokit.domino.ui.utils.Unit;
+
 /**
  * Represents a horizontal split panel which contains two panels separated by a horizontal splitter.
  *
@@ -65,6 +67,7 @@ protected double getPanelSize(SplitPanel panel) {
   protected void setPanelSize(SplitPanel panel, String size) {
     panel.style().setWidth(size);
     panel.setCssProperty("--dui-split-panel-dynamic-size", size);
+    panel.onPanelResize(Unit.px.parse(size).doubleValue());
   }
 
   /**

domino-ui/src/main/java/org/dominokit/domino/ui/splitpanel/SplitPanel.java

@@ -246,9 +246,8 @@ public SplitPanel setLast(boolean last) {
    * @param pixels the new size of the panel in pixels
    * @param percent the new size of the panel in percentage
    */
-  void onResize(double pixels, double percent) {
-    resizeListeners.forEach(
-        resizeListener -> resizeListener.onResize(SplitPanel.this, pixels, percent));
+  void onPanelResize(double pixels) {
+    resizeListeners.forEach(resizeListener -> resizeListener.onResize(SplitPanel.this, pixels));
   }
 
   /**
@@ -272,6 +271,6 @@ public interface ResizeListener {
      * @param pixels the size of the panel in pixels after resizing
      * @param percent the size of the panel in percentage after resizing
      */
-    void onResize(SplitPanel panel, double pixels, double percent);
+    void onResize(SplitPanel panel, double pixels);
   }
 }

domino-ui/src/main/java/org/dominokit/domino/ui/splitpanel/VSplitPanel.java

@@ -17,6 +17,8 @@
 
 import static org.dominokit.domino.ui.utils.Domino.*;
 
+import org.dominokit.domino.ui.utils.Unit;
+
 /**
  * Represents a vertical split panel which contains two panels separated by a vertical splitter.
  *
@@ -65,6 +67,7 @@ protected double getPanelSize(SplitPanel panel) {
   protected void setPanelSize(SplitPanel panel, String size) {
     panel.style().setHeight(size);
     panel.setCssProperty("--dui-split-panel-dynamic-size", size);
+    panel.onPanelResize(Unit.px.parse(size).doubleValue());
   }
 
   /**