Merge "Add new layouting support for TextLabel and ImageView." into devel/master

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / devel-api / layouting / layout-group-impl.cpp

diff --git a/dali-toolkit/devel-api/layouting/layout-group-impl.cpp b/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
index fd30091..f3856de 100644 (file)
--- a/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
+++ b/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
@@ -100,7 +100,7 @@ void LayoutGroup::Remove( Toolkit::LayoutGroup::LayoutId childId )
   {
     if( iter->layoutId == childId )
     {
-      OnChildRemove( *iter->child.Get() );
+      RemoveChild( *iter->child.Get() );
       mImpl->mChildren.erase(iter);
       break;
     }
@@ -114,7 +114,7 @@ void LayoutGroup::Remove( LayoutItem& child )
   {
     if( iter->child.Get() == &child )
     {
-      OnChildRemove( *iter->child.Get() );
+      RemoveChild( *iter->child.Get() );
       mImpl->mChildren.erase(iter);
       break;
     }
@@ -126,7 +126,7 @@ void LayoutGroup::RemoveAll()
 {
   for( auto iter = mImpl->mChildren.begin() ; iter != mImpl->mChildren.end() ; )
   {
-    OnChildRemove( *iter->child.Get() );
+    RemoveChild( *iter->child.Get() );
     iter = mImpl->mChildren.erase(iter);
   }
 }
@@ -406,6 +406,7 @@ void LayoutGroup::OnInitialize()
 
     DevelActor::ChildAddedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildAddedToOwner );
     DevelActor::ChildRemovedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildRemovedFromOwner );
+    DevelActor::ChildOrderChangedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildOrderChanged );
     DevelHandle::PropertySetSignal( control ).Connect( mSlotDelegate, &LayoutGroup::OnOwnerPropertySet );
 
     if( control.GetParent() )
@@ -433,24 +434,20 @@ void LayoutGroup::OnUnparent()
 {
   // Remove children
   RemoveAll();
+}
 
-  // Remove myself from parent
-  LayoutParent* parent = GetParent();
-  if( parent )
-  {
-    LayoutGroupPtr parentGroup( dynamic_cast< LayoutGroup* >( parent ) );
-    if( parentGroup )
-    {
-      parentGroup->Remove( *this );
-    }
-  }
+void LayoutGroup::RemoveChild( LayoutItem& item )
+{
+  item.SetParent( nullptr );
+  OnChildRemove( item );
 }
 
 void LayoutGroup::ChildAddedToOwner( Actor child )
 {
   LayoutItemPtr childLayout;
   Toolkit::Control control = Toolkit::Control::DownCast( child );
-  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner(%s)\n", control.GetName().c_str() );
+
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner control(%s)\n", control?control.GetName().c_str():"Invalid" );
 
   if( control ) // Can only support adding Controls, not Actors to layout
   {
@@ -469,8 +466,29 @@ void LayoutGroup::ChildAddedToOwner( Actor child )
 #endif
       childControlDataImpl.SetLayout( *childLayout.Get() );
 
+      Vector3 size = child.GetTargetSize();
+      // If the size of the control is set explicitly make sure that the control size
+      // stays the same after the layout except it is over written with match parent specs.
+      if ( size.x != 0 )
+      {
+        childLayout->SetMinimumWidth( size.x );
+      }
+
+      if ( size.y != 0 )
+      {
+        childLayout->SetMinimumHeight( size.y );
+      }
       // Default layout data will be generated by Add().
     }
+    else
+    {
+      LayoutGroupPtr layoutGroup( dynamic_cast< LayoutGroup* >( childLayout.Get() ) );
+      if( !layoutGroup )
+      {
+        // Set only in case of leaf children
+        childLayout->SetAnimateLayout( IsLayoutAnimated() );
+      }
+    }
 
     Add( *childLayout.Get() );
   }
@@ -491,6 +509,16 @@ void LayoutGroup::ChildRemovedFromOwner( Actor child )
   }
 }
 
+void LayoutGroup::ChildOrderChanged()
+{
+  RequestLayout();
+  // Force Children to be relaid out:
+  for( auto&& child : mImpl->mChildren )
+  {
+    child.child->SetLayoutRequested();
+  }
+}
+
 void LayoutGroup::OnOwnerPropertySet( Handle& handle, Property::Index index, Property::Value value )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Concise, "LayoutGroup::OnOwnerPropertySet\n");
@@ -507,6 +535,20 @@ void LayoutGroup::OnOwnerPropertySet( Handle& handle, Property::Index index, Pro
   }
 }
 
+void LayoutGroup::OnAnimationStateChanged( bool animateLayout )
+{
+  // Change children's animation state
+  for( auto&& child : mImpl->mChildren )
+  {
+    LayoutGroupPtr parentGroup( dynamic_cast< LayoutGroup* >( child.child.Get() ) );
+    if( !parentGroup )
+    {
+      // Change state only in case of leaf children
+      child.child->SetAnimateLayout( animateLayout );
+    }
+  }
+}
+
 } // namespace Internal
 } // namespace Toolkit
 } // namespace Dali