From c3aa732dfcdd65de1766d43844631906927c8b65 Mon Sep 17 00:00:00 2001
From: guigues <guigues>
Date: Mon, 23 Feb 2009 12:31:45 +0000
Subject: [PATCH] Adaptive panel splitting

---
 src2/creaImageIOWxTreeView.cpp | 49 +++++++++++++++++++++++++++++-----
 src2/creaImageIOWxTreeView.h   | 13 +++++++--
 2 files changed, 54 insertions(+), 8 deletions(-)

diff --git a/src2/creaImageIOWxTreeView.cpp b/src2/creaImageIOWxTreeView.cpp
index 7f28260..0b223f0 100644
--- a/src2/creaImageIOWxTreeView.cpp
+++ b/src2/creaImageIOWxTreeView.cpp
@@ -32,15 +32,26 @@ namespace creaImageIO
 	 i < handler->GetTree().GetNumberOfLevels();
 	 ++i)
       {
-	GimmickDebugMessage(5,"Creating ListCtrl for level "<<i
+
+	GimmickDebugMessage(5,"Creating view for level "<<i
 			    <<std::endl);
 	LevelType level;
-  	wxListCtrl* ctrl = new wxListCtrl(this,
+
+	// If the first level : parent = this
+	wxWindow* sparent = this;
+	// else parent = last splitter
+	if (i>1) sparent = mLevelList[i-2].wxSplitter;
+
+	level.wxSplitter = new wxSplitterWindow( sparent , -1);
+	//	    level.wxSplitter->SetMinimumPaneSize(100);
+	
+	wxListCtrl* ctrl = new wxListCtrl(level.wxSplitter,
 					  i,
 					  wxDefaultPosition, 
 					  wxDefaultSize,
 					  ctrl_style);
 	level.wxCtrl = ctrl;
+	level.wxSplitter->Initialize(ctrl);
 
 	// Create the columns : one for each attribute of the level
 	int col = 0;
@@ -74,9 +85,13 @@ namespace creaImageIO
 	  }
 	  
 	mLevelList.push_back(level);
-	sizer->Add( ctrl ,1, wxGROW  ,0);
       }
     
+
+    /// Initialize the first level splitter
+ 
+      sizer->Add( mLevelList[0].wxSplitter ,1, wxGROW  ,0);
+
     UpdateLevel(1);
 
     SetSizer( sizer );     
@@ -164,17 +179,39 @@ namespace creaImageIO
 
   //=====================================================================
 
+ 
   //=====================================================================
-  
   /// 
   void WxTreeView::UpdateLevel( int level )
   {
-	  GimmickDebugMessage(1,
+    GimmickDebugMessage(1,
 			GetTreeHandler()->GetTree().GetLabel()
 			<<" view : updating level "<<level
 			<<std::endl);
+    
+    wxBusyCursor busy;
+    RecursiveUpdateLevel(level);
+    int i;
+    for (i=0; i<level-1; i++)
+      {
+	if (!GetSplitter(i)->IsSplit()) 
+	  GetSplitter(i)->SplitVertically(  GetCtrl(i), GetSplitter(i+1),
+					    100 );
+      }
+    if (GetSplitter(i)->IsSplit()) GetSplitter(i)->Unsplit();    
+    
+  }
+  //=====================================================================
+  
+  /// 
+  void WxTreeView::RecursiveUpdateLevel( int level )
+  {
+	  GimmickDebugMessage(2,
+			GetTreeHandler()->GetTree().GetLabel()
+			<<" view : updating level (recursive)"<<level
+			<<std::endl);
+
 
-	wxBusyCursor busy;
     std::vector<tree::Node*> sel=GetSelected(level);
 
 	  int l = level - 1;
diff --git a/src2/creaImageIOWxTreeView.h b/src2/creaImageIOWxTreeView.h
index 0f026e3..e0e46d7 100644
--- a/src2/creaImageIOWxTreeView.h
+++ b/src2/creaImageIOWxTreeView.h
@@ -7,6 +7,7 @@
 #include <creaWx.h>
 
 #include <wx/listctrl.h>
+#include <wx/splitter.h>
 //#include <vector>
 
 namespace creaImageIO
@@ -45,6 +46,7 @@ namespace creaImageIO
       {
 	// The
 	wxListCtrl* wxCtrl;
+	wxSplitterWindow* wxSplitter;
 	std::vector<std::string> key;
       };
       /// The vector of levels : one for each level of the tree      
@@ -52,10 +54,17 @@ namespace creaImageIO
       
       /// return the wxListCtrl of one level
       wxListCtrl* GetCtrl(int l) { return mLevelList[l].wxCtrl; }
+      /// return the wxSplitter of one level
+      wxSplitterWindow* GetSplitter(int l) { return mLevelList[l].wxSplitter; }
 
-	  std::vector<tree::Node*>GetSelected(int level);
+      std::vector<tree::Node*> GetSelected(int level);
   
- 
+  
+       
+      // Updates the view of a level given the selected items of upper level
+      // Recursive method
+      virtual void RecursiveUpdateLevel( int );
+
 
       DECLARE_EVENT_TABLE()
     };
-- 
2.45.1