studio/src/plugins/core/context_manager.cpp

   1 // Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2011  Dzmitry KAMIAHIN (dnk-88) <dnk-88@tut.by>
   3 //
   4 // This source file has been modified by the following contributors:
   5 // Copyright (C) 2010  Winch Gate Property Limited
   6 // Copyright (C) 2014  Laszlo KIS-ADAM (dfighter) <dfighter1985@gmail.com>
   7 //
   8 // This program is free software: you can redistribute it and/or modify
   9 // it under the terms of the GNU Affero General Public License as
  10 // published by the Free Software Foundation, either version 3 of the
  11 // License, or (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU Affero General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Affero General Public License
  19 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 // Project includes
  22 #include "context_manager.h"
  23 #include "icontext.h"
  24 #include "main_window.h"
  25
  26 // NeL includes
  27 #include <nel/misc/debug.h>
  28
  29 // Qt includes
  30 #include <QtGui/QTabWidget>
  31 #include <QtGui/QGridLayout>
  32
  33 namespace Core
  34 {
  35
  36 struct ContextManagerPrivate
  37 {
  38         explicit ContextManagerPrivate(Core::MainWindow *mainWindow, QTabWidget *tabWidget);
  39         Core::MainWindow *m_mainWindow;
  40         QTabWidget *m_tabWidget;
  41         QVector<IContext *> m_contexts;
  42 };
  43
  44 ContextManagerPrivate::ContextManagerPrivate(Core::MainWindow *mainWindow, QTabWidget *tabWidget)
  45         : m_mainWindow(mainWindow),
  46           m_tabWidget(tabWidget)
  47 {
  48 }
  49
  50 ContextManager::ContextManager(Core::MainWindow *mainWindow, QTabWidget *tabWidget)
  51         : d(new ContextManagerPrivate(mainWindow, tabWidget))
  52 {
  53         QObject::connect(d->m_mainWindow->pluginManager(), SIGNAL(objectAdded(QObject *)),
  54                                          this, SLOT(objectAdded(QObject *)));
  55         QObject::connect(d->m_mainWindow->pluginManager(), SIGNAL(aboutToRemoveObject(QObject *)),
  56                                          this, SLOT(aboutToRemoveObject(QObject *)));
  57
  58         QObject::connect(d->m_tabWidget, SIGNAL(currentChanged(int)), this, SLOT(currentTabChanged(int)));
  59 }
  60
  61 ContextManager::~ContextManager()
  62 {
  63         delete d;
  64 }
  65
  66 Core::IContext *ContextManager::currentContext() const
  67 {
  68         int currentIndex = d->m_tabWidget->currentIndex();
  69         if (currentIndex < 0)
  70                 return 0;
  71         return d->m_contexts.at(currentIndex);
  72 }
  73
  74 Core::IContext *ContextManager::context(const QString &id) const
  75 {
  76         const int index = indexOf(id);
  77         if (index >= 0)
  78                 return d->m_contexts.at(index);
  79         return 0;
  80 }
  81
  82 void ContextManager::registerUndoStack(QUndoStack *stack)
  83 {
  84         nlassert(stack);
  85         d->m_mainWindow->undoGroup()->addStack(stack);
  86 }
  87
  88 void ContextManager::unregisterUndoStack(QUndoStack *stack)
  89 {
  90         nlassert(stack);
  91         d->m_mainWindow->undoGroup()->removeStack(stack);
  92 }
  93
  94 void ContextManager::activateContext(const QString &id)
  95 {
  96         const int index = indexOf(id);
  97         if (index >= 0)
  98                 d->m_tabWidget->setCurrentIndex(index);
  99 }
 100
 101 void ContextManager::updateCurrentContext()
 102 {
 103         d->m_mainWindow->updateContext(currentContext());
 104 }
 105
 106 void ContextManager::objectAdded(QObject *obj)
 107 {
 108         IContext *context = qobject_cast<IContext *>(obj);
 109         if (context)
 110                 addContextObject(context);
 111 }
 112
 113 void ContextManager::aboutToRemoveObject(QObject *obj)
 114 {
 115         IContext *context = qobject_cast<IContext *>(obj);
 116         if (context)
 117                 removeContextObject(context);
 118 }
 119
 120 void ContextManager::addContextObject(IContext *context)
 121 {
 122         d->m_contexts.push_back(context);
 123         d->m_mainWindow->addContextObject(context);
 124
 125         QWidget *tabWidget = new QWidget(d->m_tabWidget);
 126         d->m_tabWidget->addTab(tabWidget, context->icon(), context->trName());
 127         QGridLayout *gridLayout = new QGridLayout(tabWidget);
 128         gridLayout->setObjectName(QString::fromUtf8("gridLayout_") + context->id());
 129         gridLayout->setContentsMargins(0, 0, 0, 0);
 130         gridLayout->addWidget(context->widget(), 0, 0, 1, 1);
 131 }
 132
 133 void ContextManager::removeContextObject(IContext *context)
 134 {
 135         d->m_mainWindow->removeContextObject(context);
 136
 137         const int index = indexOf(context->id());
 138         QWidget *widget = d->m_tabWidget->widget(index);
 139         d->m_contexts.remove(index);
 140         d->m_tabWidget->removeTab(index);
 141         delete widget;
 142 }
 143
 144 void ContextManager::currentTabChanged(int index)
 145 {
 146         if (index >= 0)
 147         {
 148                 IContext *context = d->m_contexts.at(index);
 149         context->onActivated();
 150
 151                 Q_EMIT currentContextChanged(context);
 152         }
 153 }
 154
 155 int ContextManager::indexOf(const QString &id) const
 156 {
 157         for (int i = 0; i < d->m_contexts.count(); ++i)
 158         {
 159                 if (d->m_contexts.at(i)->id() == id)
 160                         return i;
 161         }
 162         nlwarning(QString("Warning, no such context: %1").arg(id).toUtf8().constData());
 163         return -1;
 164 }
 165
 166 } /* namespace Core */