fix bug with not updating the last line correctly when a group was deleted and recrea...

[wxWidgets.git] / src / common / treebase.cpp

diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp
index 6814ed0926f2daabc0463a83995d9c4673c05318..f10e2af927b24c6b40ecdf0924b6bead4fb33566 100644 (file)
--- a/src/common/treebase.cpp
+++ b/src/common/treebase.cpp
@@ -26,14 +26,8 @@
 
 #if wxUSE_TREECTRL
 
-#include "wx/treebase.h"
-#include "wx/settings.h"
-#include "wx/log.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
-#include "wx/arrimpl.cpp"
-#include "wx/dcclient.h"
-
+#include "wx/treectrl.h"
+#include "wx/imaglist.h"
 
 // ----------------------------------------------------------------------------
 // events
@@ -65,8 +59,22 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU)
 // Tree event
 // ----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
+IMPLEMENT_ABSTRACT_CLASS(wxTreeEvent, wxNotifyEvent)
+
+
+wxTreeEvent::wxTreeEvent(wxEventType commandType,
+                         wxTreeCtrlBase *tree,
+                         const wxTreeItemId& item)
+           : wxNotifyEvent(commandType, tree->GetId()),
+             m_item(item)
+{
+    m_editCancelled = false;
 
+    SetEventObject(tree);
+
+    if ( item.IsOk() )
+        SetClientObject(tree->GetItemData(item));
+}
 
 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
            : wxNotifyEvent(commandType, id)
@@ -86,14 +94,144 @@ wxTreeEvent::wxTreeEvent(const wxTreeEvent & event)
     m_editCancelled = event.m_editCancelled;
 }
 
-#if WXWIN_COMPATIBILITY_2_2
+// ----------------------------------------------------------------------------
+// wxTreeCtrlBase
+// ----------------------------------------------------------------------------
+
+wxTreeCtrlBase::~wxTreeCtrlBase()
+{
+    if (m_ownsImageListNormal)
+        delete m_imageListNormal;
+    if (m_ownsImageListState)
+        delete m_imageListState;
+}
+
+static void
+wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size)
+{
+    wxRect rect;
+
+    if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) )
+    {
+        // Translate to logical position so we get the full extent
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+        rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL);
+        rect.y += treeCtrl->GetScrollPos(wxVERTICAL);
+#endif
+
+        size.IncTo(wxSize(rect.GetRight(), rect.GetBottom()));
+    }
+
+    wxTreeItemIdValue cookie;
+    for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie);
+          item.IsOk();
+          item = treeCtrl->GetNextChild(id, cookie) )
+    {
+        wxGetBestTreeSize(treeCtrl, item, size);
+    }
+}
+
+wxSize wxTreeCtrlBase::DoGetBestSize() const
+{
+    wxSize size;
+
+    // this doesn't really compute the total bounding rectangle of all items
+    // but a not too bad guess of it which has the advantage of not having to
+    // examine all (potentially hundreds or thousands) items in the control
+
+    if (GetQuickBestSize())
+    {
+        for ( wxTreeItemId item = GetRootItem();
+              item.IsOk();
+              item = GetLastChild(item) )
+        {
+            wxRect rect;
+
+            // last parameter is "true" to get only the dimensions of the text
+            // label, we don't want to get the entire item width as it's determined
+            // by the current size
+            if ( GetBoundingRect(item, rect, true) )
+            {
+                if ( size.x < rect.x + rect.width )
+                    size.x = rect.x + rect.width;
+                if ( size.y < rect.y + rect.height )
+                    size.y = rect.y + rect.height;
+            }
+        }
+    }
+    else // use precise, if potentially slow, size computation method
+    {
+        // iterate over all items recursively
+        wxTreeItemId idRoot = GetRootItem();
+        if ( idRoot.IsOk() )
+            wxGetBestTreeSize(this, idRoot, size);
+    }
+
+    // need some minimal size even for empty tree
+    if ( !size.x || !size.y )
+        size = wxControl::DoGetBestSize();
+    else
+    {
+        // Add border size
+        size += GetWindowBorderSize();
+
+        CacheBestSize(size);
+    }
+
+    return size;
+}
 
-int wxTreeEvent::GetCode() const
+void wxTreeCtrlBase::ExpandAll()
 {
-    return m_evtKey.GetKeyCode();
+    if ( IsEmpty() )
+        return;
+
+    ExpandAllChildren(GetRootItem());
 }
 
-#endif // WXWIN_COMPATIBILITY_2_2
+void wxTreeCtrlBase::ExpandAllChildren(const wxTreeItemId& item)
+{
+    // expand this item first, this might result in its children being added on
+    // the fly
+    Expand(item);
+
+    // then (recursively) expand all the children
+    wxTreeItemIdValue cookie;
+    for ( wxTreeItemId idCurr = GetFirstChild(item, cookie);
+          idCurr.IsOk();
+          idCurr = GetNextChild(item, cookie) )
+    {
+        ExpandAllChildren(idCurr);
+    }
+}
+
+void wxTreeCtrlBase::CollapseAll()
+{
+    if ( IsEmpty() )
+        return;
+
+    CollapseAllChildren(GetRootItem());
+}
+
+void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item)
+{
+    // first (recursively) collapse all the children
+    wxTreeItemIdValue cookie;
+    for ( wxTreeItemId idCurr = GetFirstChild(item, cookie);
+          idCurr.IsOk();
+          idCurr = GetNextChild(item, cookie) )
+    {
+        CollapseAllChildren(idCurr);
+    }
+
+    // then collapse this element too
+    Collapse(item);
+}
+
+bool wxTreeCtrlBase::IsEmpty() const
+{
+    return !GetRootItem().IsOk();
+}
 
 #endif // wxUSE_TREECTRL