vcs.maemo.org Git - situare/blob - src/ui/tabbedpanel.cpp

   1 /*
   2     Situare - A location system for Facebook
   3     Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5         Kaj Wallin - kaj.wallin@ixonos.com
   6         Pekka Nissinen - pekka.nissinen@ixonos.com
   7
   8     Situare is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     version 2 as published by the Free Software Foundation.
  11
  12     Situare 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
  18     along with Situare; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  20     USA.
  21 */
  22
  23 #include <QDebug>
  24 #include <QPropertyAnimation>
  25 #include <QSignalTransition>
  26 #include <QStackedWidget>
  27 #include <QStateMachine>
  28
  29 #include "panelbar.h"
  30 #include "panelbase.h"
  31 #include "panelcontentstack.h"
  32 #include "panelcontextbuttonbar.h"
  33 #include "paneltabbar.h"
  34
  35 #include "tabbedpanel.h"
  36
  37 const int PANEL_CONTEXT_BUTTON_BAR_LEFT_X = 0;
  38
  39 TabbedPanel::TabbedPanel(QWidget *parent)
  40     : QWidget(parent),
  41       m_isOpen(false)
  42 {
  43     qDebug() << __PRETTY_FUNCTION__;
  44
  45     const int PANEL_LEFT_X = 0;
  46     const int PANEL_TOP_Y = 0;
  47     const int PANEL_TAB_BAR_TOP_SPACING = 8;
  48
  49     resize(PANEL_BAR_TABBED_WIDTH + PANEL_WIDTH, PANEL_HEIGHT);
  50     move(PANEL_CLOSED_X, PANEL_TOP_PADDING);
  51
  52     // --- TABS ---
  53     m_panelTabBar = new PanelTabBar(this);
  54     m_panelTabBar->move(PANEL_LEFT_X, PANEL_TAB_BAR_TOP_SPACING);
  55
  56     connect(m_panelTabBar, SIGNAL(currentChanged(int)),
  57             this, SLOT(setCurrentIndex(int)));
  58
  59     connect(m_panelTabBar, SIGNAL(tabCloseRequested(int)),
  60              this, SLOT(closePanel()));
  61
  62     connect(this, SIGNAL(panelClosed()),
  63             m_panelTabBar, SLOT(deselectTabs()));
  64
  65     // --- BAR ---
  66     m_panelBar = new PanelBar(this);
  67     m_panelBar->move(PANEL_TAB_WIDTH, PANEL_TOP_Y);
  68
  69     // --- CONTEXT BUTTON BAR ---
  70     m_panelContextButtonBar = new PanelContextButtonBar(this);
  71     m_panelContextButtonBar->setVisible(false);
  72     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X,
  73                                   PANEL_HEIGHT - m_panelContextButtonBar->height());
  74
  75     connect(m_panelContextButtonBar, SIGNAL(positionChangeRequested()),
  76             this, SLOT(repositionContextButtonBar()));
  77
  78     connect(this, SIGNAL(panelOpened()),
  79             this, SLOT(showContextButtonBar()));
  80
  81     connect(this, SIGNAL(panelClosed()),
  82             this, SLOT(hideContextButtonBar()));
  83
  84     // --- PANEL CONTENT ---
  85     m_panelContentStack = new PanelContentStack(this);
  86     m_panelContentStack->move(PANEL_TAB_WIDTH + PANEL_BAR_WIDTH, PANEL_TOP_Y);
  87
  88     // --- PANEL ANIMATION ---
  89     m_panelStateMachine = new QStateMachine(this);
  90
  91     m_panelStateClosed = new QState(m_panelStateMachine);
  92     m_panelStateOpened = new QState(m_panelStateMachine);
  93
  94     m_panelAnimation = new QPropertyAnimation(this, "pos", this);
  95
  96     m_panelStateMachine->setInitialState(m_panelStateClosed);
  97
  98     m_panelTransitionOpen = m_panelStateClosed->addTransition(this, SIGNAL(toggleState()),
  99                                                               m_panelStateOpened);
 100     m_panelTransitionOpen->addAnimation(m_panelAnimation);
 101
 102     m_panelTransitionClose = m_panelStateOpened->addTransition(this, SIGNAL(toggleState()),
 103                                                                m_panelStateClosed);
 104     m_panelTransitionClose->addAnimation(m_panelAnimation);
 105
 106     connect(m_panelAnimation, SIGNAL(finished()),
 107             this, SLOT(stateChanged()));
 108
 109     m_panelStateClosed->assignProperty(this, "pos",
 110                                        QPoint(PANEL_CLOSED_X, PANEL_TOP_PADDING));
 111     m_panelStateOpened->assignProperty(this, "pos",
 112                                        QPoint(PANEL_OPENED_X, PANEL_TOP_PADDING));
 113
 114     m_panelStateMachine->start();
 115 }
 116
 117 int TabbedPanel::addTab(QWidget *widget, const QIcon& icon)
 118 {
 119     qDebug() << __PRETTY_FUNCTION__;
 120
 121     const int APPEND_INDEX = -1;
 122
 123     return insertTab(APPEND_INDEX, widget, icon);
 124 }
 125
 126 void TabbedPanel::closePanel()
 127 {
 128     qDebug() << __PRETTY_FUNCTION__;
 129
 130     if (m_isOpen)
 131         emit toggleState();
 132 }
 133
 134 int TabbedPanel::insertTab(int index, QWidget *widget, const QIcon& icon)
 135 {
 136     qDebug() << __PRETTY_FUNCTION__;
 137
 138     index = m_panelContentStack->insertWidget(index, widget);
 139     m_panelTabBar->insertTab(index, icon);
 140
 141     return index;
 142 }
 143
 144 void TabbedPanel::removeTab(int index)
 145 {
 146     qDebug() << __PRETTY_FUNCTION__;
 147
 148     if (QWidget *widget = m_panelContentStack->widget(index)) {
 149         m_panelContentStack->removeWidget(widget);
 150         m_panelTabBar->removeTab(index);
 151     }
 152 }
 153
 154 void TabbedPanel::repositionContextButtonBar()
 155 {
 156     qDebug() << __PRETTY_FUNCTION__;
 157
 158     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X,
 159                                   height() - m_panelContextButtonBar->height());
 160 }
 161
 162 void TabbedPanel::resizePanel(const QSize &size)
 163 {
 164     qDebug() << __PRETTY_FUNCTION__;
 165
 166     resize(PANEL_BAR_TABBED_WIDTH + PANEL_WIDTH,
 167            size.height() - PANEL_TOP_PADDING - PANEL_BOTTOM_PADDING);
 168
 169     if (!m_isOpen)
 170         move(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH, PANEL_TOP_PADDING);
 171     else
 172         move(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH - PANEL_WIDTH, PANEL_TOP_PADDING);
 173
 174     m_panelBar->resizeBar(size);
 175
 176     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X,
 177                                   size.height() - m_panelContextButtonBar->height());
 178
 179     m_panelContentStack->resizeContentStack(size);
 180
 181     QPoint closedPosition(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH, PANEL_TOP_PADDING);
 182     m_panelStateClosed->assignProperty(this, "pos", closedPosition);
 183
 184     QPoint openedPosition(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH - PANEL_WIDTH,
 185                           PANEL_TOP_PADDING);
 186     m_panelStateOpened->assignProperty(this, "pos", openedPosition);
 187 }
 188
 189 void TabbedPanel::setCurrentIndex(int index)
 190 {
 191     qDebug() << __PRETTY_FUNCTION__;
 192
 193     if ((index < m_panelContentStack->count()) && (index >= 0)) {
 194         m_panelContentStack->setCurrentIndex(index);
 195
 196         if (!m_isOpen)
 197             emit toggleState();
 198
 199         m_panelContextButtonBar->setContextButtons(
 200                 static_cast<PanelBase *>(m_panelContentStack->widget(index))->contextButtons());
 201
 202         emit currentChanged(index);
 203     }
 204 }
 205
 206 void TabbedPanel::showPanel(QWidget *widget)
 207 {
 208     qDebug() << __PRETTY_FUNCTION__;
 209
 210     m_panelTabBar->selectTab(m_panelContentStack->indexOf(widget));
 211 }
 212
 213 void TabbedPanel::stateChanged()
 214 {
 215     qDebug() << __PRETTY_FUNCTION__;
 216
 217     if (!m_isOpen) {
 218         m_isOpen = true;
 219         m_panelContextButtonBar->setVisible(true);
 220         emit panelOpened();
 221     } else {
 222         m_isOpen = false;
 223         m_panelContextButtonBar->setVisible(false);
 224         emit panelClosed();
 225     }
 226 }