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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GdaSet</title>
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<tr><td colspan="5" class="shortcuts">
<a href="#GdaSet.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#GdaSet.description" class="shortcut">Description</a>
                   | 
                  <a href="#GdaSet.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#GdaSet.properties" class="shortcut">Properties</a>
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                  <a href="#GdaSet.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="GdaSet"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GdaSet.top_of_page"></a>GdaSet</span></h2>
<p>GdaSet — Container for several values</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GdaSet.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">                    <a class="link" href="GdaSet.html#GdaSet-struct" title="GdaSet">GdaSet</a>;
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-new" title="gda_set_new ()">gda_set_new</a>                         (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *holders</code></em>);
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-new-read-only" title="gda_set_new_read_only ()">gda_set_new_read_only</a>               (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *holders</code></em>);
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-copy" title="gda_set_copy ()">gda_set_copy</a>                        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>);
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-new-inline" title="gda_set_new_inline ()">gda_set_new_inline</a>                  (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> nb</code></em>,
                                                         <em class="parameter"><code>...</code></em>);
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-new-from-spec-string" title="gda_set_new_from_spec_string ()">gda_set_new_from_spec_string</a>        (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *xml_spec</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            <a class="link" href="GdaSet.html#gda-set-new-from-spec-node" title="gda_set_new_from_spec_node ()">gda_set_new_from_spec_node</a>          (<em class="parameter"><code><span class="type">xmlNodePtr</span> xml_spec</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GdaSet.html#gda-set-is-valid" title="gda_set_is_valid ()">gda_set_is_valid</a>                    (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
const <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> *      <a class="link" href="GdaSet.html#gda-set-get-holder-value" title="gda_set_get_holder_value ()">gda_set_get_holder_value</a>            (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GdaSet.html#gda-set-set-holder-value" title="gda_set_set_holder_value ()">gda_set_set_holder_value</a>            (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>,
                                                         <em class="parameter"><code>...</code></em>);

<a class="link" href="GdaHolder.html" title="GdaHolder"><span class="returnvalue">GdaHolder</span></a> *         <a class="link" href="GdaSet.html#gda-set-get-holder" title="gda_set_get_holder ()">gda_set_get_holder</a>                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>);
<a class="link" href="GdaHolder.html" title="GdaHolder"><span class="returnvalue">GdaHolder</span></a> *         <a class="link" href="GdaSet.html#gda-set-get-nth-holder" title="gda_set_get_nth_holder ()">gda_set_get_nth_holder</a>              (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> pos</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GdaSet.html#gda-set-add-holder" title="gda_set_add_holder ()">gda_set_add_holder</a>                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GdaSet.html#gda-set-remove-holder" title="gda_set_remove_holder ()">gda_set_remove_holder</a>               (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GdaSet.html#gda-set-merge-with-set" title="gda_set_merge_with_set ()">gda_set_merge_with_set</a>              (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set_to_merge</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GdaSet.html#gda-set-replace-source-model" title="gda_set_replace_source_model ()">gda_set_replace_source_model</a>        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> *source</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *model</code></em>);

                    <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode">GdaSetNode</a>;
<a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="returnvalue">GdaSetNode</span></a> *        <a class="link" href="GdaSet.html#gda-set-get-node" title="gda_set_get_node ()">gda_set_get_node</a>                    (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);
                    <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource">GdaSetSource</a>;
<a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="returnvalue">GdaSetSource</span></a> *      <a class="link" href="GdaSet.html#gda-set-get-source-for-model" title="gda_set_get_source_for_model ()">gda_set_get_source_for_model</a>        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *model</code></em>);
<a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="returnvalue">GdaSetSource</span></a> *      <a class="link" href="GdaSet.html#gda-set-get-source" title="gda_set_get_source ()">gda_set_get_source</a>                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);
                    <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup">GdaSetGroup</a>;
<a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="returnvalue">GdaSetGroup</span></a> *       <a class="link" href="GdaSet.html#gda-set-get-group" title="gda_set_get_group ()">gda_set_get_group</a>                   (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GdaSet.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
   +----GdaSet
         +----<a class="link" href="GdaDataModelIter.html" title="GdaDataModelIter">GdaDataModelIter</a>
</pre>
</div>
<div class="refsect1">
<a name="GdaSet.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="GdaSet.html#GdaSet--description" title='The "description" property'>description</a>"              <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write
  "<a class="link" href="GdaSet.html#GdaSet--holders" title='The "holders" property'>holders</a>"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>              : Write / Construct Only
  "<a class="link" href="GdaSet.html#GdaSet--id" title='The "id" property'>id</a>"                       <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write
  "<a class="link" href="GdaSet.html#GdaSet--name" title='The "name" property'>name</a>"                     <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GdaSet.signals"></a><h2>Signals</h2>
<pre class="synopsis">
  "<a class="link" href="GdaSet.html#GdaSet-holder-attr-changed" title='The "holder-attr-changed" signal'>holder-attr-changed</a>"                            : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-holder-changed" title='The "holder-changed" signal'>holder-changed</a>"                                 : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-holder-type-set" title='The "holder-type-set" signal'>holder-type-set</a>"                                : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-public-data-changed" title='The "public-data-changed" signal'>public-data-changed</a>"                            : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-source-model-changed" title='The "source-model-changed" signal'>source-model-changed</a>"                           : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-validate-holder-change" title='The "validate-holder-change" signal'>validate-holder-change</a>"                         : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  "<a class="link" href="GdaSet.html#GdaSet-validate-set" title='The "validate-set" signal'>validate-set</a>"                                   : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GdaSet.description"></a><h2>Description</h2>
<p>
  The <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object is a container for several values (as <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects). The list of <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects is
  publicly accessible (and should not be modified), using the "holders" attribute. Each <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object also
  maintains some publicly accessible information about the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects, through the <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a>, <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> and
  <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> structures (see <a class="link" href="GdaSet.html#gda-set-get-node" title="gda_set_get_node ()"><code class="function">gda_set_get_node()</code></a>, <a class="link" href="GdaSet.html#gda-set-get-source" title="gda_set_get_source ()"><code class="function">gda_set_get_source()</code></a> and <a class="link" href="GdaSet.html#gda-set-get-group" title="gda_set_get_group ()"><code class="function">gda_set_get_group()</code></a>).
</p>
<p>
  It is possible to control the values a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> can have in the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> by connecting to the
  "before-holder-change" signal.
</p>
</div>
<div class="refsect1">
<a name="GdaSet.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GdaSet-struct"></a><h3>GdaSet</h3>
<pre class="programlisting">typedef struct {
	GSList         *holders;   /* list of GdaHolder objects */
	GSList         *nodes_list;   /* list of GdaSetNode */
        GSList         *sources_list; /* list of GdaSetSource */
	GSList         *groups_list;  /* list of GdaSetGroup */
} GdaSet;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-new"></a><h3>gda_set_new ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_new                         (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *holders</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object, and populates it with the list given as argument.
The list can then be freed as it is copied. All the value holders in <em class="parameter"><code>holders</code></em> are referenced counted
and modified, so they should not be used anymore afterwards.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>holders</code></em> :</span></p></td>
<td>a list of <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects. <span class="annotation">[<a href="http://foldoc.org/element-type"><span class="acronym">element-type</span></a> GdaHolder][transfer:none]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-new-read-only"></a><h3>gda_set_new_read_only ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_new_read_only               (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *holders</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> like <a class="link" href="GdaSet.html#gda-set-new" title="gda_set_new ()"><code class="function">gda_set_new()</code></a>, but does not allow modifications to any of the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a>
object in <em class="parameter"><code>holders</code></em>. This function is used for Libgda's database providers' implementation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>holders</code></em> :</span></p></td>
<td>a list of <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects. <span class="annotation">[<a href="http://foldoc.org/element-type"><span class="acronym">element-type</span></a> GdaHolder][transfer:none]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-copy"></a><h3>gda_set_copy ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_copy                        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object, copy of <em class="parameter"><code>set</code></em>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object. <span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-new-inline"></a><h3>gda_set_new_inline ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_new_inline                  (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> nb</code></em>,
                                                         <em class="parameter"><code>...</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> containing holders defined by each triplet in ...
For each triplet (id, Glib type and value), 
the value must be of the correct type (gchar * if type is G_STRING, ...)
</p>
<p>
Note that this function is a utility function and that only a limited set of types are supported. Trying
to use an unsupported type will result in a warning, and the returned value holder holding a safe default
value.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>nb</code></em> :</span></p></td>
<td>the number of value holders which will be contained in the new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>a serie of a (const gchar*) id, (GType) type, and value</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object. <span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-new-from-spec-string"></a><h3>gda_set_new_from_spec_string ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_new_from_spec_string        (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *xml_spec</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object from the <em class="parameter"><code>xml_spec</code></em>
specifications
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>xml_spec</code></em> :</span></p></td>
<td>a string</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>a place to store the error, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new object, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if an error occurred. <span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-new-from-spec-node"></a><h3>gda_set_new_from_spec_node ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html" title="GdaSet"><span class="returnvalue">GdaSet</span></a> *            gda_set_new_from_spec_node          (<em class="parameter"><code><span class="type">xmlNodePtr</span> xml_spec</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Creates a new <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object from the <em class="parameter"><code>xml_spec</code></em>
specifications
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>xml_spec</code></em> :</span></p></td>
<td>a <span class="type">xmlNodePtr</span> for a &lt;holders&gt; tag</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>a place to store the error, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new object, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if an error occurred. <span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-is-valid"></a><h3>gda_set_is_valid ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gda_set_is_valid                    (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
This method tells if all <em class="parameter"><code>set</code></em>'s <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects are valid, and if
they represent a valid combination of values, as defined by rules
external to Libgda: the "validate-set" signal is emitted and if none of the signal handlers return an
error, then the returned value is TRUE, otherwise the return value is FALSE as soon as a signal handler
returns an error.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>a place to store validation errors, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the set is valid</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-holder-value"></a><h3>gda_set_get_holder_value ()</h3>
<pre class="programlisting">const <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> *      gda_set_get_holder_value            (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>);</pre>
<p>
Get the value of the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> which ID is <em class="parameter"><code>holder_id</code></em>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder_id</code></em> :</span></p></td>
<td>the ID of the holder to set the value</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested GValue, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> (see <a class="link" href="GdaHolder.html#gda-holder-get-value" title="gda_holder_get_value ()"><code class="function">gda_holder_get_value()</code></a>). <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-set-holder-value"></a><h3>gda_set_set_holder_value ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gda_set_set_holder_value            (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>,
                                                         <em class="parameter"><code>...</code></em>);</pre>
<p>
Set the value of the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> which ID is <em class="parameter"><code>holder_id</code></em> to a specified value
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>a place to store errors, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder_id</code></em> :</span></p></td>
<td>the ID of the holder to set the value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td>value, of the correct type, depending on the requested holder's type (not NULL)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if no error occurred and the value was set correctly</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-holder"></a><h3>gda_set_get_holder ()</h3>
<pre class="programlisting"><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="returnvalue">GdaHolder</span></a> *         gda_set_get_holder                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *holder_id</code></em>);</pre>
<p>
Finds a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> using its ID
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder_id</code></em> :</span></p></td>
<td>the ID of the requested value holder</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-nth-holder"></a><h3>gda_set_get_nth_holder ()</h3>
<pre class="programlisting"><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="returnvalue">GdaHolder</span></a> *         gda_set_get_nth_holder              (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> pos</code></em>);</pre>
<p>
Finds a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> using its position
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pos</code></em> :</span></p></td>
<td>the position of the requested <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a>, starting at <code class="literal">0</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-add-holder"></a><h3>gda_set_add_holder ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gda_set_add_holder                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);</pre>
<p>
Adds <em class="parameter"><code>holder</code></em> to the list of holders managed within <em class="parameter"><code>set</code></em>.
</p>
<p>
NOTE: if <em class="parameter"><code>set</code></em> already has a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> with the same ID as <em class="parameter"><code>holder</code></em>, then <em class="parameter"><code>holder</code></em>
will not be added to the set (even if <em class="parameter"><code>holder</code></em>'s type or value is not the same as the
one already in <em class="parameter"><code>set</code></em>).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>holder</code></em> has been added to <em class="parameter"><code>set</code></em> (and FALSE if it has not been added because there is another <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a>
with the same ID)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-remove-holder"></a><h3>gda_set_remove_holder ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gda_set_remove_holder               (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);</pre>
<p>
Removes a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> from the list of holders managed by <em class="parameter"><code>set</code></em>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> to remove from <em class="parameter"><code>set</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-merge-with-set"></a><h3>gda_set_merge_with_set ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gda_set_merge_with_set              (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set_to_merge</code></em>);</pre>
<p>
Add to <em class="parameter"><code>set</code></em> all the holders of <em class="parameter"><code>set_to_merge</code></em>. 
Note1: only the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> of <em class="parameter"><code>set_to_merge</code></em> for which no holder in <em class="parameter"><code>set</code></em> has the same ID are merged
Note2: all the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> merged in <em class="parameter"><code>set</code></em> are still used by <em class="parameter"><code>set_to_merge</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>set_to_merge</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-replace-source-model"></a><h3>gda_set_replace_source_model ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gda_set_replace_source_model        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> *source</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *model</code></em>);</pre>
<p>
Replaces <em class="parameter"><code>source-&gt;data_model</code></em> with <em class="parameter"><code>model</code></em>, which must have the same
characteristics as <em class="parameter"><code>source-&gt;data_model</code></em> (same column types)
</p>
<p>
Also for each <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> for which <em class="parameter"><code>source-&gt;data_model</code></em> is a source model,
this method calls <a class="link" href="GdaHolder.html#gda-holder-set-source-model" title="gda_holder_set_source_model ()"><code class="function">gda_holder_set_source_model()</code></a> with <em class="parameter"><code>model</code></em> to replace
the source by the new model
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>source</code></em> :</span></p></td>
<td>a pointer to a <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> in <em class="parameter"><code>set</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>a <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSetNode"></a><h3>GdaSetNode</h3>
<pre class="programlisting">typedef struct {
	GdaHolder    *holder;        /* Can't be NULL */
	GdaDataModel *source_model;  /* may be NULL */
	gint          source_column; /* unused if @source_model is NULL */
} GdaSetNode;
</pre>
<p>
  For each <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> object in the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object, there is a
  <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> structure which sums up all the information for
  each GdaHolder. Contains public fields, which must not be modified.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *<em class="structfield"><code><a name="GdaSetNode.holder"></a>holder</code></em>;</span></p></td>
<td>a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> in the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *<em class="structfield"><code><a name="GdaSetNode.source-model"></a>source_model</code></em>;</span></p></td>
<td>if <a class="link" href="GdaHolder.html#gda-holder-set-source-model" title="gda_holder_set_source_model ()"><code class="function">gda_holder_set_source_model()</code></a> has been used with <em class="parameter"><code>holder</code></em>, the <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> used, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GdaSetNode.source-column"></a>source_column</code></em>;</span></p></td>
<td>if <a class="link" href="GdaHolder.html#gda-holder-set-source-model" title="gda_holder_set_source_model ()"><code class="function">gda_holder_set_source_model()</code></a> has been used with <em class="parameter"><code>holder</code></em>, the column used, or 0</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-node"></a><h3>gda_set_get_node ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="returnvalue">GdaSetNode</span></a> *        gda_set_get_node                    (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);</pre>
<p>
Finds a <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> holding information for <em class="parameter"><code>holder</code></em>, don't modify the returned structure
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSetSource"></a><h3>GdaSetSource</h3>
<pre class="programlisting">typedef struct {
	GdaDataModel   *data_model;   /* Can't be NULL */
	GSList         *nodes;        /* list of #GdaSetNode for which source_model == @data_model */
} GdaSetSource;
</pre>
<p>
  There is a <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> structure for each <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> which
  restricts at least one <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> in the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *<em class="structfield"><code><a name="GdaSetSource.data-model"></a>data_model</code></em>;</span></p></td>
<td>the <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *<em class="structfield"><code><a name="GdaSetSource.nodes"></a>nodes</code></em>;</span></p></td>
<td>the list of <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> where the <em class="parameter"><code>source_model</code></em> attribute equals <em class="parameter"><code>data_model</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-source-for-model"></a><h3>gda_set_get_source_for_model ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="returnvalue">GdaSetSource</span></a> *      gda_set_get_source_for_model        (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> *model</code></em>);</pre>
<p>
Finds the <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> structure used in <em class="parameter"><code>set</code></em> for which <em class="parameter"><code>model</code></em> is a
the data model (the returned structure should not be modified).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>a <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> pointer or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-source"></a><h3>gda_set_get_source ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="returnvalue">GdaSetSource</span></a> *      gda_set_get_source                  (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);</pre>
<p>
Finds a <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> which contains the <a class="link" href="GdaDataModel.html" title="GdaDataModel"><span class="type">GdaDataModel</span></a> restricting the possible values of
<em class="parameter"><code>holder</code></em>, don't modify the returned structure.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSetGroup"></a><h3>GdaSetGroup</h3>
<pre class="programlisting">typedef struct {
	GSList       *nodes;       /* list of GdaSetNode, at least one entry */
	GdaSetSource *nodes_source; /* if NULL, then @nodes contains exactly one entry */
} GdaSetGroup;
</pre>
<p>
  There is one <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> structure
  for each _independent_ <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> (those which have the same restricting data model
  all appear in the same <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> structure).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Singly-Linked-Lists.html#GSList"><span class="type">GSList</span></a> *<em class="structfield"><code><a name="GdaSetGroup.nodes"></a>nodes</code></em>;</span></p></td>
<td>a list of <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> structures, at least one entry</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> *<em class="structfield"><code><a name="GdaSetGroup.nodes-source"></a>nodes_source</code></em>;</span></p></td>
<td>a <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> pointer where the <em class="parameter"><code>nodes</code></em> attribute lists the same <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects as <em class="parameter"><code>nodes</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gda-set-get-group"></a><h3>gda_set_get_group ()</h3>
<pre class="programlisting"><a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="returnvalue">GdaSetGroup</span></a> *       gda_set_get_group                   (<em class="parameter"><code><a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> *set</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder</code></em>);</pre>
<p>
Finds a <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> which lists a  <a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a> containing <em class="parameter"><code>holder</code></em>,
don't modify the returned structure.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>a <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the requested <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GdaSet.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GdaSet--description"></a><h3>The <code class="literal">"description"</code> property</h3>
<pre class="programlisting">  "description"              <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write</pre>
<p>Description.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet--holders"></a><h3>The <code class="literal">"holders"</code> property</h3>
<pre class="programlisting">  "holders"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>              : Write / Construct Only</pre>
<p>GdaHolder objects the set should contain.</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet--id"></a><h3>The <code class="literal">"id"</code> property</h3>
<pre class="programlisting">  "id"                       <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write</pre>
<p>Id.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet--name"></a><h3>The <code class="literal">"name"</code> property</h3>
<pre class="programlisting">  "name"                     <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read / Write</pre>
<p>Name.</p>
<p>Default value: NULL</p>
</div>
</div>
<div class="refsect1">
<a name="GdaSet.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GdaSet-holder-attr-changed"></a><h3>The <code class="literal">"holder-attr-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>    *set,
                                                        <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>     *attr_name,
                                                        <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a>    *attr_value,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>   user_data)       : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
Gets emitted when an attribute for any of the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> objects managed by <em class="parameter"><code>set</code></em> has changed
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>the GdaHolder for which an attribute changed</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>attr_name</code></em> :</span></p></td>
<td>attribute's name</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>attr_value</code></em> :</span></p></td>
<td>attribute's value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-holder-changed"></a><h3>The <code class="literal">"holder-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>    *gdaset,
                                                        <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *arg1,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>   user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gdaset</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-holder-type-set"></a><h3>The <code class="literal">"holder-type-set"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>    *set,
                                                        <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>   user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
Gets emitted when <em class="parameter"><code>holder</code></em> in <em class="parameter"><code>set</code></em> has its type finally set, in case
it was <span class="type">GDA_TYPE_NULL</span>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> for which the <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="type">GType</span></a> has been set</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-public-data-changed"></a><h3>The <code class="literal">"public-data-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>  *set,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
Gets emitted when <em class="parameter"><code>set</code></em>'s public data (<a class="link" href="GdaSet.html#GdaSetNode" title="GdaSetNode"><span class="type">GdaSetNode</span></a>, <a class="link" href="GdaSet.html#GdaSetGroup" title="GdaSetGroup"><span class="type">GdaSetGroup</span></a> or <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> values) have changed
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-source-model-changed"></a><h3>The <code class="literal">"source-model-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>  *set,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> source,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
Gets emitted when the data model in <em class="parameter"><code>source</code></em> has changed
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>source</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html#GdaSetSource" title="GdaSetSource"><span class="type">GdaSetSource</span></a> for which the <em class="parameter"><code>data_model</code></em> attribute has changed</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 4.2</p>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-validate-holder-change"></a><h3>The <code class="literal">"validate-holder-change"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">GdaError</span>*           user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>    *set,
                                                        <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> *holder,
                                                        <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a>    *new_value,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>   user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Gets emitted when a <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a>'s in <em class="parameter"><code>set</code></em> is going to change its value. One can connect to
this signal to control which values <em class="parameter"><code>holder</code></em> can have (for example to implement some business rules)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>holder</code></em> :</span></p></td>
<td>the <a class="link" href="GdaHolder.html" title="GdaHolder"><span class="type">GdaHolder</span></a> which is going to change</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_value</code></em> :</span></p></td>
<td>the proposed new value for <em class="parameter"><code>holder</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>NULL if <em class="parameter"><code>holder</code></em> is allowed to change its value to <em class="parameter"><code>new_value</code></em>, or a <a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GdaSet-validate-set"></a><h3>The <code class="literal">"validate-set"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">GdaError</span>*           user_function                      (<a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>  *set,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)      : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Gets emitted when <a class="link" href="GdaSet.html#gda-set-is-valid" title="gda_set_is_valid ()"><code class="function">gda_set_is_valid()</code></a> is called, use
this signal to control which combination of values <em class="parameter"><code>set</code></em>'s holder can have (for example to implement some business rules)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>set</code></em> :</span></p></td>
<td>the <a class="link" href="GdaSet.html" title="GdaSet"><span class="type">GdaSet</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>NULL if <em class="parameter"><code>set</code></em>'s contents has been validated, or a <a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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