hydra/form.cpp

   1 /* Quarn OS / Hydra
   2  *
   3  * Form class implementation
   4  *
   5  * Copyright (C) 2008-2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "form.h"
  24 #include "manes/error.h"
  25
  26 using namespace hydra;
  27
  28 form::form(p<application> app, delegate<void, p<form> > on_filled) : ui_element("form"), owner(app), used(1) {
  29         onfilled = on_filled;
  30         app->get_ui()->add(this);
  31 }
  32
  33 form::form(p<application> app) : ui_element("form"), owner(app), used(1) {
  34         app->get_ui()->add(this);
  35 }
  36
  37 void form::add(p<ui_element> el) {
  38         elements.add(el);
  39 }
  40
  41 p<ui_element> form::get_element(string name) {
  42         for (int i = 0; i < elements.get_count(); i++)
  43                 if (!strcmp(elements[i]->element_name, name)) return elements[i];
  44
  45         debug("ui: required element not found");
  46
  47         /* throw */
  48         while(1);
  49 }
  50
  51 void form::render(ui::ui_type) {
  52         for (int i = 0; i < elements.get_count(); i++)
  53                 elements[i]->render(ui::ui_console);
  54
  55         onfilled(this);
  56 }
  57
  58 void form::keep() {
  59         used++;
  60         owner->get_ui()->add(this);
  61 }
  62
  63 bool form::dispose() {
  64         used--;
  65
  66         return used < 1;
  67 }