Mercurial > projects > mde
view mde/content/Services.d @ 149:1125ba603af6
Some ideas for content service menus.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Sat, 14 Mar 2009 11:05:51 +0100 |
parents | 08651e8a8c51 |
children |
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/* LICENSE BLOCK Part of mde: a Modular D game-oriented Engine Copyright © 2007-2008 Diggory Hardy This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ // NOTE: This module is currently unused and untested. // FIXME: write unittests /** Content services. * * Services act on a content, potentially modifying it. They have the form: * --- * bool service (Content c); * --- * where c is the content acted on, and the return value is true if the content was changed (useful * to know whether caches need updating or not). */ module mde.content.Services; import mde.content.AStringContent; union ContentUnion { *Content ; } bool copy (Content c) { // store by type clipboard = c; } bool paste (StringContent c) { if (clipboard) c = clipboard.toString (0); } bool paste (IntContent c) { } bool link (ref ContentText c) { if (clipboard is null) return false; // no item on clipboard, so don't do anything c = clipboard; return true; } ContentUnion clipboard;