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2005-05-11 Eric Butler <eric@extremeboredom.net>

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* gtk/Gtk.metadata : add IEnumerable iface to ListStore.
	* gtk/ListStore.cs : add GetEnumerator.
	* gtk/Makefile.am : add file.
	* gtk/TreeEnumerator.cs : root node enumerator for a TreeModel.

svn path=/trunk/gtk-sharp/; revision=44409
This commit is contained in:
Mike Kestner 2005-05-11 19:41:45 +00:00
parent a900916eab
commit caec90e311
6 changed files with 119 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2005-05-11 Eric Butler <eric@extremeboredom.net>
* gtk/Gtk.metadata : add IEnumerable iface to ListStore.
* gtk/ListStore.cs : add GetEnumerator.
* gtk/Makefile.am : add file.
* gtk/TreeEnumerator.cs : root node enumerator for a TreeModel.
2005-05-11 Mike Kestner <mkestner@novell.com>
* gtk/Widget.custom : manual ListMnemonicLabels implementation to

20
doc/en/Gtk/ListStore.xml
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@ -1497,5 +1497,23 @@ The above example creates a new three columns list store. The types of the colum
<remarks>To be added</remarks>
</Docs>
</Member>
<Member MemberName="GetEnumerator">
<MemberSignature Language="C#" Value="public virtual System.Collections.IEnumerator GetEnumerator ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Collections.IEnumerator</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Returns a <see cref="T:System.Collections.IEnumerator" /> for the current instance.</para>
</summary>
<returns>a <see cref="T:System.Collections.IEnumerator" /></returns>
<remarks>
<para> If the elements of the current instance are modified while an enumeration is in progress, a call to <see cref="M:System.Collections.IEnumerator.MoveNext" /> or <see cref="P:System.Collections.IEnumerator.Current" /> throws <see cref="T:System.InvalidOperationException" />.</para>
</remarks>
</Docs>
</Member>
</Members>
</Type>
</Type>

1
gtk/Gtk.metadata
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@ -249,6 +249,7 @@
<attr path="/api/namespace/object[@cname='GtkLabel']/constructor[@cname='gtk_label_new_with_mnemonic']" name="preferred">1</attr>
<attr path="/api/namespace/object[@cname='GtkLabel']/constructor[@cname='gtk_label_new_with_mnemonic']/*/*[@name='str']" name="property_name">label</attr>
<attr path="/api/namespace/object[@cname='GtkLayout']/signal[@name='SetScrollAdjustments']" name="name">ScrollAdjustmentsSet</attr>
<add-node path="/api/namespace/object[@name='ListStore']"><implements><interface name="IEnumerable" /></implements></add-node>
<attr path="/api/namespace/object[@cname='GtkListStore']/constructor[@cname='gtk_list_store_new']" name="hidden">1</attr>
<attr path="/api/namespace/object[@cname='GtkListStore']/constructor[@cname='gtk_list_store_newv']" name="hidden">1</attr>
<attr path="/api/namespace/object[@cname='GtkListStore']/method[@name='Append']/*/*[@name='iter']" name="pass_as">out</attr>

6
gtk/ListStore.custom
View file

@ -164,3 +164,9 @@
{
DefaultSortFunc = sort_func;
}
public IEnumerator GetEnumerator()
{
return new TreeEnumerator(this);
}

1
gtk/Makefile.am
View file

@ -24,6 +24,7 @@ sources = \
ThreadNotify.cs \
ToggleActionEntry.cs \
Timeout.cs \
TreeEnumerator.cs \
TreeNodeAttribute.cs \
TreeNode.cs \
TreeNodeValueAttribute.cs

85
gtk/TreeEnumerator.cs Normal file
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@ -0,0 +1,85 @@
// TreeEnumerator.cs - .NET-style Enumerator for TreeModel classes
//
// Author: Eric Butler <eric@extremeboredom.net>
//
// Copyright (c) 2005 Eric Butler
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
using System;
using System.Collections;
namespace Gtk
{
internal class TreeEnumerator : IEnumerator
{
private Gtk.TreeIter iter;
private Gtk.TreeModel model;
private bool reset = true;
private bool changed = false;
public TreeEnumerator (TreeModel model)
{
this.model = model;
model.RowChanged += model_changed;
model.RowDeleted += model_changed;
model.RowInserted += model_changed;
model.RowsReordered += model_changed;
}
public object Current
{
get {
if (reset == false) {
object[] row = new object[model.NColumns];
for (int x = 0; x < model.NColumns; x++) {
row[x] = model.GetValue(iter, x);
}
return row;
} else {
throw new InvalidOperationException("Enumerator not started.");
}
}
}
public bool MoveNext()
{
if (changed == false) {
if (reset == true) {
reset = false;
return model.GetIterFirst(out iter);
} else {
return model.IterNext(ref iter);
}
} else {
throw new InvalidOperationException("List has changed.");
}
}
public void Reset()
{
reset = true;
changed = false;
}
private void model_changed(object o, EventArgs args)
{
changed = true;
}
}
}