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class DropdownPrefab extends ScriptedWidgetEventHandler
{
protected Widget m_Root;
protected Widget m_Parent;
protected ScrollWidget m_Scroller;
protected Widget m_ContentContainer;
protected ref array<Widget> m_Content = new array<Widget>;
protected Widget m_Button;
protected Widget m_Holder;
protected TextWidget m_Text;
protected ImageWidget m_ImageExpand;
protected ImageWidget m_ImageCollapse;
protected bool m_IsExpanded;
ref ScriptInvoker m_OnSelectItem = new ScriptInvoker();
void DropdownPrefab( Widget root, string text = "" )
{
m_Parent = root;
m_Root = GetGame().GetWorkspace().CreateWidgets( "gui/layouts/new_ui/dropdown_prefab/dropdown_prefab.layout", root );
m_Scroller = ScrollWidget.Cast( m_Root.FindAnyWidget( "dropdown_container" ) );
m_ContentContainer = m_Root.FindAnyWidget( "dropdown_content" );
m_Text = TextWidget.Cast( m_Root.FindAnyWidget( "dropdown_text" ) );
m_Holder = m_Root.FindAnyWidget( "holder" );
SetText( text );
m_Button = m_Root.FindAnyWidget( "dropdown_selector_button" );
m_ImageExpand = ImageWidget.Cast( m_Root.FindAnyWidget( "expand_image" ) );
m_ImageCollapse = ImageWidget.Cast( m_Root.FindAnyWidget( "collapse_image" ) );
m_Root.SetHandler( this );
RefreshContent();
}
void RefreshContent()
{
Widget child = m_ContentContainer.GetChildren();
while( child )
{
if( m_Content.Find( child ) > -1 )
{
m_Content.Insert( child );
}
}
m_ContentContainer.Update();
m_Root.Update();
float x, y;
m_ContentContainer.GetScreenSize( x, y );
if( y > m_Scroller.GetContentHeight() )
{
m_Scroller.SetAlpha( 1 );
}
else
{
m_Scroller.SetAlpha( 0 );
}
}
int AddElement( string text, Widget content = null )
{
ButtonWidget element = ButtonWidget.Cast( GetGame().GetWorkspace().CreateWidgets( "gui/layouts/new_ui/dropdown_prefab/dropdown_element.layout", m_ContentContainer ) );
RichTextWidget textWidget = RichTextWidget.Cast(element.FindAnyWidget("dropdown_element_text"));
textWidget.SetText( text );
if( content )
{
element.AddChild( content, false );
}
m_ContentContainer.Update();
textWidget.Update();
m_Root.Update();
element.Update();
m_Content.Insert( element );
return m_Content.Count() - 1;
}
void RemoveElement( int index )
{
if( 0 < index && index < m_Content.Count() )
{
delete m_Content.Get( index );
m_ContentContainer.Update();
m_Root.Update();
m_Parent.Update();
}
}
void Close()
{
if( m_IsExpanded )
{
m_IsExpanded = !m_IsExpanded;
m_Scroller.Show( m_IsExpanded );
m_ImageExpand.Show( !m_IsExpanded );
m_ImageCollapse.Show( m_IsExpanded );
m_Root.Update();
m_Parent.Update();
}
}
void SetText( string text )
{
m_Text.SetText( text );
}
override bool OnClick( Widget w, int x, int y, int button )
{
int index = m_Content.Find( w );
if ( index > -1 )
{
m_OnSelectItem.Invoke( index );
m_IsExpanded = false;
m_Scroller.Show( m_IsExpanded );
m_ImageExpand.Show( !m_IsExpanded );
m_ImageCollapse.Show( m_IsExpanded );
return true;
}
return false;
}
override bool OnMouseButtonDown( Widget w, int x, int y, int button )
{
if ( (w == m_Button || w == m_Text || w == m_Holder) && button == MouseState.LEFT )
{
m_IsExpanded = !m_IsExpanded;
m_Scroller.Show( m_IsExpanded );
m_ImageExpand.Show( !m_IsExpanded );
m_ImageCollapse.Show( m_IsExpanded );
m_Root.Update();
m_Parent.Update();
m_ContentContainer.Update();
return true;
}
return false;
}
} |