// // TileFromTemplate.cs // // Copyright (C) 2004 Novell, Inc. // // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // using System; using System.Collections; using System.IO; using System.Reflection; using System.Text; namespace Beagle.Tile { abstract public class TileFromTemplate : Tile { private Template template = null; private bool populated = false; private string template_resource; public TileFromTemplate (string resource) : base () { template_resource = resource; } protected Template Template { get { if (template == null) { template = new Template (template_resource); Template["TileId"] = UniqueKey; Template["action:"] = "action:" + UniqueKey + "!"; if (this.Uri != null && this.Query != null) { SnippetRequest req = new SnippetRequest (this.Query, this.Hit); try { SnippetResponse response = (SnippetResponse) req.Send (); Template["Snippet"] = response.Snippet; } catch { } } } return template; } } protected abstract void PopulateTemplate (); public override void Render (TileRenderContext ctx) { if (!populated) { PopulateTemplate (); populated = true; } ctx.Write (Template.ToString ()); } protected override void Changed () { populated = false; base.Changed (); } } }