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C# TreeStore.Clear方法代码示例

本文整理汇总了C#中Gtk.TreeStore.Clear方法的典型用法代码示例。如果您正苦于以下问题:C# TreeStore.Clear方法的具体用法?C# TreeStore.Clear怎么用?C# TreeStore.Clear使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gtk.TreeStore的用法示例。


在下文中一共展示了TreeStore.Clear方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: AddinView

        public AddinView()
        {
            var hbox = new HBox () { Spacing = 6 };

            var filter_label = new Label (Catalog.GetString ("Show:"));
            var filter_combo = new ComboBoxText ();
            filter_combo.AppendText (Catalog.GetString ("All"));
            filter_combo.AppendText (Catalog.GetString ("Enabled"));
            filter_combo.AppendText (Catalog.GetString ("Not Enabled"));
            filter_combo.Active = 0;

            var search_label = new Label (Catalog.GetString ("Search:"));
            var search_entry = new Banshee.Widgets.SearchEntry () {
                WidthRequest = 160,
                Visible = true,
                Ready = true
            };

            hbox.PackStart (filter_label, false, false, 0);
            hbox.PackStart (filter_combo, false, false, 0);
            hbox.PackEnd   (search_entry, false, false, 0);
            hbox.PackEnd   (search_label, false, false, 0);

            var model = new TreeStore (typeof(bool), typeof(bool), typeof (string), typeof (Addin));

            var addins = AddinManager.Registry.GetAddins ().Where (a => { return
                a.Name != a.Id && a.Description != null &&
                !String.IsNullOrEmpty (a.Description.Category) && !a.Description.Category.StartsWith ("required:") &&
                (!a.Description.Category.Contains ("Debug") || ApplicationContext.Debugging);
            });

            var categorized_addins = addins.GroupBy<Addin, string> (a => a.Description.Category)
                                           .Select (c => new {
                                                Addins = c.OrderBy (a => Catalog.GetString (a.Name)).ToList (),
                                                Name = c.Key,
                                                NameLocalized = Catalog.GetString (c.Key) })
                                           .OrderBy (c => c.NameLocalized)
                                           .ToList ();

            tree_view = new TreeView () {
                FixedHeightMode = false,
                HeadersVisible = false,
                SearchColumn = 1,
                RulesHint = true,
                Model = model
            };

            var update_model = new System.Action (() => {
                string search = search_entry.Query;
                bool? enabled = filter_combo.Active > 0 ? (bool?) (filter_combo.Active == 1 ? true : false) : null;
                model.Clear ();
                foreach (var cat in categorized_addins) {
                    var cat_iter = model.AppendValues (false, false, String.Format ("<b>{0}</b>", GLib.Markup.EscapeText (cat.NameLocalized)), null);
                    bool any = false;
                    foreach (var a in cat.Addins.Matching (search)) {
                        if (enabled == null || (a.Enabled == enabled.Value)) {
                            model.AppendValues (cat_iter, true,
                                a.Enabled,
                                String.Format (
                                    "<b>{0}</b>\n<small>{1}</small>",
                                    GLib.Markup.EscapeText (Catalog.GetString (a.Name)),
                                    GLib.Markup.EscapeText (Catalog.GetString (a.Description.Description))),
                                a
                            );
                            any = true;
                        }
                    }

                    if (!any) {
                        model.Remove (ref cat_iter);
                    }
                }
                tree_view.ExpandAll ();
            });

            var txt_cell = new CellRendererText () { WrapMode = Pango.WrapMode.Word };
            tree_view.AppendColumn ("Name", txt_cell , "markup", Columns.Name);

            var check_cell = new CellRendererToggle () { Activatable = true };
            tree_view.AppendColumn ("Enable", check_cell, "visible", Columns.IsAddin, "active", Columns.IsEnabled);
            check_cell.Toggled += (o, a) => {
                TreeIter iter;
                if (model.GetIter (out iter, new TreePath (a.Path))) {
                    var addin = model.GetValue (iter, 3) as Addin;
                    bool enabled = (bool) model.GetValue (iter, 1);
                    addin.Enabled = !enabled;
                    model.SetValue (iter, 1, addin.Enabled);
                    model.Foreach (delegate (ITreeModel current_model, TreePath path, TreeIter current_iter) {
                        var an = current_model.GetValue (current_iter, 3) as Addin;
                        if (an != null) {
                            current_model.SetValue (current_iter, 1, an.Enabled);
                        }
                        return false;
                    });
                }
            };

            update_model ();
            search_entry.Changed += (o, a) => update_model ();
            filter_combo.Changed += (o, a) => update_model ();
//.........这里部分代码省略.........
开发者ID:kelsieflynn,项目名称:banshee,代码行数:101,代码来源:AddinView.cs


注:本文中的Gtk.TreeStore.Clear方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。