From 3d5d2b54f23901ccd11641f4df95b5c6a4c10664 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Sun, 10 Jan 2010 22:37:56 +0000
Subject: Added a function to copy an entire Fl_Preferences database into an
 Fl_Tree view. This will break IDEs that do not have Fl_Tree and Fl_Table
 added yet!

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6992 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 FL/Fl_Preferences.H    |  5 ++++-
 FL/Fl_Tree.H           |  2 +-
 src/Fl_Preferences.cxx | 29 +++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/FL/Fl_Preferences.H b/FL/Fl_Preferences.H
index e16ff64d3..a5f56c1e6 100644
--- a/FL/Fl_Preferences.H
+++ b/FL/Fl_Preferences.H
@@ -146,6 +146,8 @@ public:
 
   // char export( const char *filename, Type fileFormat );
   // char import( const char *filename );
+  
+  char copyTo(class Fl_Tree*);
 
   /**
      'Name' provides a simple method to create numerical or more complex 
@@ -206,12 +208,14 @@ private:
   public:
     Node( const char *path );
     ~Node();
+    char copyTo(class Fl_Tree*, class Fl_Tree_Item*);
     // node methods
     int write( FILE *f );
     const char *name();
     const char *path() { return path_; }
     Node *find( const char *path );
     Node *search( const char *path, int offset=0 );
+    Node *childNode( int ix );
     Node *addChild( const char *path );
     void setParent( Node *parent );
     Node *parent() { return top_?0L:parent_; }
@@ -222,7 +226,6 @@ private:
     // entry methods
     int nChildren();
     const char *child( int ix );
-    Node *childNode( int ix );
     void set( const char *name, const char *value );
     void set( const char *line );
     void add( const char *line );
diff --git a/FL/Fl_Tree.H b/FL/Fl_Tree.H
index 7404d8936..db9f46f60 100644
--- a/FL/Fl_Tree.H
+++ b/FL/Fl_Tree.H
@@ -94,7 +94,7 @@
 ///     Fl_Tree_Item::closeicon(),
 ///     Fl_Tree_Item::usericon().
 ///
-///     Various default preferences can be manipulated vi Fl_Tree_Prefs, including
+///     Various default preferences can be manipulated via Fl_Tree_Prefs, including
 ///     colors, margins, connection lines. 
 ///
 ///     \image html tree-elements.png
diff --git a/src/Fl_Preferences.cxx b/src/Fl_Preferences.cxx
index 2a58adf40..c7588d96d 100644
--- a/src/Fl_Preferences.cxx
+++ b/src/Fl_Preferences.cxx
@@ -28,6 +28,7 @@
 
 #include <FL/Fl.H>
 #include <FL/Fl_Preferences.H>
+#include <FL/Fl_Tree.H>
 #include <FL/filename.H>
 
 #include <stdio.h>
@@ -333,6 +334,15 @@ Fl_Preferences::~Fl_Preferences()
 }
 
 
+/**
+  Copy the databse hierarchy to an Fl_Tree browser from this node down.
+ */
+char Fl_Preferences::copyTo(Fl_Tree *tree)
+{
+  return node->copyTo(tree, tree->root());
+}
+
+
 /**
    Returns the number of groups that are contained within a group.
   
@@ -1601,6 +1611,25 @@ char Fl_Preferences::Node::remove()
   return ( nd != 0 );
 }
 
+char Fl_Preferences::Node::copyTo(Fl_Tree *tree, Fl_Tree_Item *ti) 
+{
+  ti->label(name());
+  ti->user_data(this);
+  Node *nd = child_;
+  for ( ; nd; nd = nd->next_) {
+    Fl_Tree_Item *tic = tree->insert(ti, 0, 0);
+    nd->copyTo(tree, tic);
+    tic->close();
+  }
+  int i, n = nEntry;
+  for (i=0; i<n; i++) {
+    char buf[80];
+    const char *name = entry[i].name;
+    const char *value = entry[i].value;
+    fl_snprintf(buf, 80, "%s: %s", name, value);
+    Fl_Tree_Item *tic = tree->add(ti, buf);
+  }
+}
 
 //
 // End of "$Id$".
-- 
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