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- /*
- GWEN
- Copyright (c) 2010 Facepunch Studios
- See license in Gwen.h
- */
- #include "Gwen/Controls/TreeNode.h"
- #include "Gwen/Controls/TreeControl.h"
- #include "Gwen/Utility.h"
- using namespace Gwen;
- using namespace Gwen::Controls;
- class OpenToggleButton : public Button
- {
- GWEN_CONTROL_INLINE ( OpenToggleButton, Button )
- {
- SetIsToggle( true );
- SetTabable( false );
- }
- virtual void RenderFocus( Skin::Base* /*skin*/ ) {}
- virtual void Render( Skin::Base* skin )
- {
- skin->DrawTreeButton( this, GetToggleState() );
- }
- };
- const int TreeIndentation = 14;
- const int BranchLength = 16;
- GWEN_CONTROL_CONSTRUCTOR( TreeNode )
- {
- m_TreeControl = NULL;
- m_ToggleButton = new OpenToggleButton( this );
- m_ToggleButton->SetBounds( 2, 2, 13, 13 );
- m_ToggleButton->onToggle.Add( this, &TreeNode::OnToggleButtonPress );
- m_Title = new Button( this );
- m_Title->Dock( Pos::Top );
- m_Title->SetMargin( Margin( BranchLength, 0, 0, 0 ) );
- m_Title->SetAlignment( Pos::Left | Pos::CenterV );
- m_Title->SetShouldDrawBackground( false );
- m_Title->onDoubleClick.Add( this, &TreeNode::OnDoubleClickName );
- m_Title->onDown.Add( this, &TreeNode::OnClickName );
- m_Title->SetHeight( 16 );
- m_InnerPanel = new Base( this );
- m_InnerPanel->Dock( Pos::Top );
- m_InnerPanel->SetHeight( 100 );
- m_InnerPanel->SetMargin( Margin( TreeIndentation, 1, 0, 0 ) );
- m_InnerPanel->Hide();
- m_bRoot = false;
- m_bSelected = false;
- m_bSelectable = true;
- }
- void TreeNode::Render( Skin::Base* skin )
- {
- int iBottom = 0;
- if ( m_InnerPanel->Children.size() > 0 )
- {
- iBottom = m_InnerPanel->Children.back()->Y() + m_InnerPanel->Y();
- }
-
- skin->DrawTreeNode( this, m_InnerPanel->Visible(), IsSelected(), m_Title->Height(), m_Title->TextRight(), m_ToggleButton->Y() + m_ToggleButton->Height() * 0.5, iBottom, GetParent() == m_TreeControl );
- }
- TreeNode* TreeNode::AddNode( const UnicodeString& strLabel )
- {
- // int sz = sizeof(TreeNode);
- TreeNode* node = new TreeNode( this );
- node->SetText( strLabel );
- node->Dock( Pos::Top );
- node->SetRoot( this->DynamicCastTreeControl() != NULL );
- node->SetTreeControl( m_TreeControl );
- if ( m_TreeControl )
- {
- m_TreeControl->OnNodeAdded( node );
- }
- return node;
- }
- TreeNode* TreeNode::AddNode( const String& strLabel )
- {
- return AddNode( Utility::StringToUnicode( strLabel ) );
- }
- void TreeNode::Layout( Skin::Base* skin )
- {
- if ( m_ToggleButton )
- {
- if ( m_InnerPanel->NumChildren() == 0 )
- {
- m_ToggleButton->Hide();
- m_ToggleButton->SetToggleState( false );
- m_InnerPanel->Hide();
- }
- else
- {
- m_ToggleButton->Show();
- m_InnerPanel->SizeToChildren( false, true );
- }
- }
- BaseClass::Layout( skin );
- }
- //too many calls to PostLayout...
- //int numCalls = 0xfd;
- void TreeNode::PostLayout( Skin::Base* /*skin*/ )
- {
-
- //int bla = numCalls&0xffff;
- //if (bla==0)
- // printf("TreeNode::PostLayout numCalls = %d\n", numCalls);
- //numCalls++;
- if ( SizeToChildren( false, true ) )
- {
- InvalidateParent();
- }
- }
- void TreeNode::SetText( const UnicodeString& text ){ m_Title->SetText( text ); };
- void TreeNode::SetText( const String& text ){ m_Title->SetText( text ); };
- UnicodeString TreeNode::GetText() const
- {
- UnicodeString bla = m_Title->GetText();
- return bla;
- }
- void TreeNode::Open()
- {
- m_InnerPanel->Show();
- if ( m_ToggleButton ) m_ToggleButton->SetToggleState( true );
- Invalidate();
- if (m_TreeControl)
- m_TreeControl->ForceUpdateScrollBars();
- }
- void TreeNode::Close()
- {
- m_InnerPanel->Hide();
- if ( m_ToggleButton ) m_ToggleButton->SetToggleState( false );
-
- Invalidate();
- if (m_TreeControl)
- m_TreeControl->ForceUpdateScrollBars();
- }
- void TreeNode::ExpandAll()
- {
- Open();
- Base::List& children = m_InnerPanel->GetChildren();
- for ( Base::List::iterator iter = children.begin(); iter != children.end(); ++iter )
- {
- TreeNode* pChild = (*iter)->DynamicCastTreeNode();
- if ( !pChild ) continue;
- pChild->ExpandAll();
- }
- }
- Button* TreeNode::GetButton(){ return m_Title; }
- void TreeNode::OnToggleButtonPress( Base* /*control*/ )
- {
- if ( m_ToggleButton->GetToggleState() )
- {
- Open();
- }
- else
- {
- Close();
- }
- }
- void TreeNode::OnDoubleClickName( Base* /*control*/ )
- {
- if ( !m_ToggleButton->Visible() ) return;
- m_ToggleButton->Toggle();
- }
- void TreeNode::OnClickName( Base* /*control*/ )
- {
- onNamePress.Call( this );
- SetSelected( !IsSelected() );
- }
- void TreeNode::SetSelected( bool b )
- {
- if ( !m_bSelectable ) return;
- if ( m_bSelected == b ) return;
- m_bSelected = b;
- onSelectChange.Call( this );
- if ( m_bSelected )
- onSelect.Call( this );
- else
- onUnselect.Call( this );
- }
- void TreeNode::DeselectAll()
- {
- m_bSelected = false;
- Base::List& children = m_InnerPanel->GetChildren();
- for ( Base::List::iterator iter = children.begin(); iter != children.end(); ++iter )
- {
- TreeNode* pChild = (*iter)->DynamicCastTreeNode();
- if ( !pChild ) continue;
- pChild->DeselectAll( );
- }
- }
- void TreeNode::iterate(int action, int* curIndex, int* targetIndex)
- {
- Gwen::String name = Gwen::Utility::UnicodeToString(m_Title->GetText());
-
- // int actualIndex = curIndex? *curIndex : -1;
- //printf("iterated over item %d with name = %s\n", actualIndex, name.c_str());
- if (action==ITERATE_ACTION_SELECT)
- {
- if (curIndex && targetIndex)
- {
- if ((*curIndex)==(*targetIndex))
- {
- SetSelected(true);
-
- *targetIndex=-1;
- }
- }
- }
- if (IsSelected())
- {
- //printf("current selected: name = %s\n", name.c_str());
- switch (action)
- {
- case ITERATE_ACTION_DESELECT_INDEX:
- {
- if (targetIndex && curIndex)
- {
- if (*targetIndex == *curIndex)
- SetSelected(false);
- }
- break;
- }
- case ITERATE_ACTION_FIND_SELECTED_INDEX:
- {
- if (targetIndex && curIndex)
- {
- *targetIndex = *curIndex;
- }
- break;
- }
- case ITERATE_ACTION_OPEN:
- {
- Open();
-
-
- break;
- }
- case ITERATE_ACTION_CLOSE:
- {
- //either close or select parent
- if (this->GetChildren().size())
- {
- if (m_ToggleButton && m_ToggleButton->GetToggleState())
- {
- Close();
- } else
- {
-
- TreeNode* pChild = (GetParent())->DynamicCastTreeNode();
- TreeControl* pChild2 = (GetParent())->DynamicCastTreeControl();
- if (pChild && !pChild2)
- {
- SetSelected(false);
- pChild->SetSelected(true);
- }
- }
- }
- else
- {
-
- TreeNode* pChild = (GetParent())->DynamicCastTreeNode();
- TreeControl* pChild2 = (GetParent())->DynamicCastTreeControl();
- if (pChild && !pChild2)
- {
- SetSelected(false);
- pChild->SetSelected(true);
- }
- }
-
- break;
- }
- default:
- {
- }
- };
- }
- if (curIndex)
- (*curIndex)++;
- bool needsRecursion = true;
- if (action == ITERATE_ACTION_FIND_SELECTED_INDEX || action==ITERATE_ACTION_SELECT || action==ITERATE_ACTION_DESELECT_INDEX)
- {
- if (m_ToggleButton && !m_ToggleButton->GetToggleState())
- {
- needsRecursion=false;
- }
- }
- if (needsRecursion)
- {
- Base::List& children = m_InnerPanel->GetChildren();
- for ( Base::List::iterator iter = children.begin(); iter != children.end(); ++iter )
- {
- TreeNode* pChild = (*iter)->DynamicCastTreeNode();
- if ( !pChild )
- continue;
- pChild->iterate(action , curIndex, targetIndex);
- }
- }
-
-
- }
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