feat: add support for drawerPersistent wc feature

Author: mlopezFC

src/main/java/com/flowingcode/addons/applayout/AppLayout.java

@@ -174,5 +174,13 @@ public void setReveals(boolean reveals) {
   public void setSwipeOpen(boolean swipeOpen) {
     this.getElement().setAttribute("swipeOpen", swipeOpen);
   }
-
+  
+  /**
+   * Sets the persistent attribute so it will make the drawer to be always
+   * opened in a non-modal way
+   * @param drawerPersistent
+   */
+  public void setDrawerPersistent(boolean drawerPersistent) {
+    this.getElement().setAttribute("drawerPersistent", drawerPersistent);
+  }
 }

src/test/java/com/flowingcode/addons/applayout/ApplayoutDemoView.java

@@ -69,7 +69,8 @@ public ApplayoutDemoView() {
     app.setMenuItems(createMenuItems());
 
     app.setToolbarIconButtons(miSettings);
-    this.add(app, container);
+    app.add(container);
+    this.add(app);
 
     settings.setSwipeOpen(true);
     settings.setMenuVisible(true);
@@ -85,7 +86,8 @@ private void applySettings() {
     app.setSwipeOpen(settings.isSwipeOpen());
     app.setFixed(settings.isFixed());
     app.setReveals(settings.isReveals());
-
+    app.setDrawerPersistent(settings.isDrawerPersistent());
+    
     if (settings.isCompact()) {
       app.addClassName("compact");
     } else {
@@ -104,7 +106,8 @@ private void openSettings() {
     Checkbox cbFixed = new Checkbox("Fixed");
     Checkbox cbReveals = new Checkbox("Reveals");
     Checkbox cbCompact = new Checkbox("Compact");
-
+    Checkbox cbPersistent = new Checkbox("Drawer Persistent");
+    
     cbMenuVisible.getElement().setAttribute("title", "Toggle visibility of the hamburguer icon.");
     cbSwipeOpen
         .getElement()
@@ -121,17 +124,21 @@ private void openSettings() {
     cbCompact
         .getElement()
         .setAttribute("title", "When enabled, the height of the header is set to 32px.");
+    cbPersistent
+        .getElement()
+        .setAttribute("title", "When enabled, the drawer will be opened in a non-modal way");
 
     Binder<DemoSettings> binder = new Binder<>();
     binder.forField(cbMenuVisible).bind(DemoSettings::isMenuVisible, DemoSettings::setMenuVisible);
     binder.forField(cbSwipeOpen).bind(DemoSettings::isSwipeOpen, DemoSettings::setSwipeOpen);
     binder.forField(cbFixed).bind(DemoSettings::isFixed, DemoSettings::setFixed);
     binder.forField(cbReveals).bind(DemoSettings::isReveals, DemoSettings::setReveals);
     binder.forField(cbCompact).bind(DemoSettings::isCompact, DemoSettings::setCompact);
+    binder.forField(cbPersistent).bind(DemoSettings::isDrawerPersistent, DemoSettings::setDrawerPersistent);
     binder.setBean(this.settings);
 
     VerticalLayout content =
-        new VerticalLayout(cbMenuVisible, cbSwipeOpen, cbFixed, cbReveals, cbCompact);
+        new VerticalLayout(cbMenuVisible, cbSwipeOpen, cbFixed, cbReveals, cbCompact, cbPersistent);
     content.setSpacing(false);
 
     HorizontalLayout buttons = new HorizontalLayout();

src/test/java/com/flowingcode/addons/applayout/DemoSettings.java

@@ -33,6 +33,8 @@ public class DemoSettings {
 
   private boolean compact;
 
+  private boolean drawerPersistent;
+
   public boolean isEnabled() {
     return enabled;
   }
@@ -80,4 +82,12 @@ public boolean isCompact() {
   public void setCompact(boolean compact) {
     this.compact = compact;
   }
+
+  public boolean isDrawerPersistent() {
+    return drawerPersistent;
+  }
+
+  public void setDrawerPersistent(boolean drawerPersistent) {
+    this.drawerPersistent = drawerPersistent;
+  }
 }