From eff75e9193b0e1d9175f49e003977d524c6a2d36 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 16 Sep 2008 10:15:57 +0000
Subject: New collapser class

---
 client/collapser.cc | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 client/collapser.cc

(limited to 'client/collapser.cc')

diff --git a/client/collapser.cc b/client/collapser.cc
new file mode 100644
index 0000000..391f9b1
--- /dev/null
+++ b/client/collapser.cc
@@ -0,0 +1,132 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            collapser.cc
+ *
+ *  Mon Sep 15 09:48:46 CEST 2008
+ *  Copyright 2008 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro 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.
+ *
+ *  Pracro 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 Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "collapser.h"
+
+#include <QHBoxLayout>
+
+#define ANIM_TIME 250
+#define ANIM_INTERVAL 25
+
+Collapser::Collapser(QWidget *collapsed, QWidget *expanded, bool setcollapsed)
+{
+  setLayout(new QHBoxLayout());
+  layout()->setContentsMargins(0,0,0,0);
+
+  this->collapsed = collapsed;
+  collapsed->show();
+  c_height = collapsed->height();
+  collapsed->setVisible(false);
+
+  this->expanded = expanded;
+  expanded->show();
+  e_height = expanded->height();
+  expanded->setVisible(false);
+
+  collapsed->setVisible(false);
+  expanded->setVisible(false);
+
+  setCollapsed(setcollapsed);
+}
+
+bool Collapser::isCollapsed()
+{
+  return is_collapsed;
+}
+
+void Collapser::setCollapsed(bool setcollapsed)
+{
+  if(this->is_collapsed == setcollapsed) return;
+
+  if(setcollapsed) collapse();
+  else expand();
+}
+
+void Collapser::collapse()
+{
+  t_anim.start();
+
+
+  is_collapsed = true;
+  timer_id = startTimer(ANIM_INTERVAL);
+}
+
+void Collapser::expand()
+{
+  t_anim.start();
+
+  // show expanded
+  collapsed->setVisible(false);
+  layout()->removeWidget(collapsed);
+  layout()->addWidget(expanded);
+  expanded->setVisible(true);
+  
+  is_collapsed = false;
+  timer_id = startTimer(ANIM_INTERVAL);
+}
+
+void Collapser::toggleCollapse()
+{
+  if(!is_collapsed) collapse();
+
+  else expand();
+}
+
+void Collapser::anim()
+{
+  killTimer(timer_id);
+
+  double x = (double)(t_anim.elapsed()) / ANIM_TIME;
+  double y = 1;
+
+  if(x < 1) {
+    y = x * x * x;
+
+    timer_id = startTimer(ANIM_INTERVAL);
+  } else {
+
+    if(is_collapsed) {
+      // show collapsed
+      expanded->setVisible(false);
+      layout()->removeWidget(expanded);
+      layout()->addWidget(collapsed);
+      collapsed->setVisible(true);
+      
+    }
+
+  }
+
+  if(!is_collapsed) {
+    setFixedHeight((1 - y) * c_height + y * e_height);
+  } else {
+    setFixedHeight((1 - y) * e_height + y * c_height);
+  }
+}
+
+void Collapser::timerEvent(QTimerEvent *)
+{
+  anim();
+}
-- 
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