Improve error messages from wxImage::LoadFile().

[wxWidgets.git] / src / generic / dirctrlg.cpp

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index 3587660c1c1fea7b14325a1ac5fb9c21cab778d8..dbaaf19a54107f7404597d7a361787a4af4020cc 100644 (file)
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -785,19 +785,12 @@ void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
         return;
 
     data->m_isExpanded = false;
-    wxTreeItemIdValue cookie;
-    /* Workaround because DeleteChildren has disapeared (why?) and
-     * CollapseAndReset doesn't work as advertised (deletes parent too) */
-    child = m_treeCtrl->GetFirstChild(parentId, cookie);
-    while (child.IsOk())
-    {
-        m_treeCtrl->Delete(child);
-        /* Not GetNextChild below, because the cookie mechanism can't
-         * handle disappearing children! */
-        child = m_treeCtrl->GetFirstChild(parentId, cookie);
-    }
+
+    m_treeCtrl->Freeze();
     if (parentId != m_treeCtrl->GetRootItem())
-        m_treeCtrl->Collapse(parentId);
+        m_treeCtrl->CollapseAndReset(parentId);
+    m_treeCtrl->DeleteChildren(parentId);
+    m_treeCtrl->Thaw();
 }
 
 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
@@ -1102,6 +1095,22 @@ bool wxGenericDirCtrl::CollapsePath(const wxString& path)
 
 wxString wxGenericDirCtrl::GetPath() const
 {
+    // Allow calling GetPath() in multiple selection from OnSelFilter
+    if (m_treeCtrl->HasFlag(wxTR_MULTIPLE))
+    {
+        wxArrayTreeItemIds items;
+        m_treeCtrl->GetSelections(items);
+        if (items.size() > 0)
+        {
+            // return first string only
+            wxTreeItemId id = items[0];
+            wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
+            return data->m_path;
+        }
+
+        return wxEmptyString;
+    }
+
     wxTreeItemId id = m_treeCtrl->GetSelection();
     if (id)
     {
@@ -1386,16 +1395,33 @@ void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
 {
     int sel = GetSelection();
 
-    wxString currentPath = m_dirCtrl->GetPath();
+    if (m_dirCtrl->HasFlag(wxDIRCTRL_MULTIPLE))
+    {
+        wxArrayString paths;
+        m_dirCtrl->GetPaths(paths);
+
+        m_dirCtrl->SetFilterIndex(sel);
 
-    m_dirCtrl->SetFilterIndex(sel);
+        // If the filter has changed, the view is out of date, so
+        // collapse the tree.
+        m_dirCtrl->ReCreateTree();
+
+        // Expand and select the previously selected paths
+        for (unsigned int i = 0; i < paths.GetCount(); i++)
+        {
+            m_dirCtrl->ExpandPath(paths.Item(i));
+        }
+    }
+    else
+    {
+        wxString currentPath = m_dirCtrl->GetPath();
 
-    // If the filter has changed, the view is out of date, so
-    // collapse the tree.
-    m_dirCtrl->ReCreateTree();
+        m_dirCtrl->SetFilterIndex(sel);
+        m_dirCtrl->ReCreateTree();
 
-    // Try to restore the selection, or at least the directory
-    m_dirCtrl->ExpandPath(currentPath);
+        // Try to restore the selection, or at least the directory
+        m_dirCtrl->ExpandPath(currentPath);
+    }
 }
 
 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
@@ -1421,7 +1447,7 @@ void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilt
 
 #ifndef __WXGTK20__
 /* Computer (c) Julian Smart */
-static const char * file_icons_tbl_computer_xpm[] = {
+static const char* const file_icons_tbl_computer_xpm[] = {
 /* columns rows colors chars-per-pixel */
 "16 16 42 1",
 "r c #4E7FD0",
@@ -1503,11 +1529,7 @@ public:
     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
     void OnExit()
     {
-        if (wxTheFileIconsTable)
-        {
-            delete wxTheFileIconsTable;
-            wxTheFileIconsTable = NULL;
-        }
+        wxDELETE(wxTheFileIconsTable);
     }
 };