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 = 1;
  38
  39 TabbedPanel::TabbedPanel(QWidget *parent)
  40     : QWidget(parent),
  41       m_open(false),
  42       m_closeRequestPending(false)
  43 {
  44     qDebug() << __PRETTY_FUNCTION__;
  45
  46     const int PANEL_LEFT_X = 0;
  47     const int PANEL_TOP_Y = 0;
  48     const int PANEL_TAB_BAR_TOP_SPACING = 8;
  49
  50     resize(PANEL_BAR_TABBED_WIDTH + PANEL_WIDTH, PANEL_HEIGHT);
  51     move(PANEL_CLOSED_X, PANEL_TOP_PADDING);
  52
  53     // --- TABS ---
  54     m_panelTabBar = new PanelTabBar(this);
  55     m_panelTabBar->move(PANEL_LEFT_X, PANEL_TAB_BAR_TOP_SPACING);
  56
  57     connect(m_panelTabBar, SIGNAL(currentChanged(int)),
  58             this, SLOT(setCurrentIndex(int)));
  59
  60     connect(m_panelTabBar, SIGNAL(tabCloseRequested(int)),
  61              this, SLOT(closePanel()));
  62
  63     connect(this, SIGNAL(panelClosed()),
  64             m_panelTabBar, SLOT(deselectTabs()));
  65
  66     // --- BAR ---
  67     m_panelBar = new PanelBar(this);
  68     m_panelBar->move(PANEL_TAB_WIDTH, PANEL_TOP_Y);
  69
  70     // --- CONTEXT BUTTON BAR ---
  71     m_panelContextButtonBar = new PanelContextButtonBar(this);
  72     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X, PANEL_HEIGHT);
  73
  74     connect(m_panelContextButtonBar, SIGNAL(barHidden()),
  75             this, SLOT(closePanel()));
  76
  77     connect(m_panelContextButtonBar, SIGNAL(positionChangeRequested()),
  78             this, SLOT(repositionContextButtonBar()));
  79
  80     // --- PANEL CONTENT ---
  81     m_panelContentStack = new PanelContentStack(this);
  82     m_panelContentStack->move(PANEL_TAB_WIDTH + PANEL_BAR_WIDTH, PANEL_TOP_Y);
  83
  84     // --- PANEL ANIMATION ---
  85     QStateMachine *panelStateMachine = new QStateMachine(this);
  86
  87     m_stateClosed = new QState(panelStateMachine);
  88     m_stateOpened = new QState(panelStateMachine);
  89
  90     QPropertyAnimation *panelAnimation = new QPropertyAnimation(this, "pos", this);
  91
  92     panelStateMachine->setInitialState(m_stateClosed);
  93
  94     QSignalTransition *panelTransitionOpen = m_stateClosed->addTransition(this,
  95                                                                           SIGNAL(toggleState()),
  96                                                                           m_stateOpened);
  97     panelTransitionOpen->addAnimation(panelAnimation);
  98
  99     QSignalTransition *panelTransitionClose = m_stateOpened->addTransition(this,
 100                                                                            SIGNAL(toggleState()),
 101                                                                            m_stateClosed);
 102     panelTransitionClose->addAnimation(panelAnimation);
 103
 104     connect(panelAnimation, SIGNAL(finished()),
 105             this, SLOT(stateChanged()));
 106
 107     QPoint closedPosition(PANEL_CLOSED_X, PANEL_TOP_PADDING);
 108     m_stateClosed->assignProperty(this, "pos", closedPosition);
 109
 110     QPoint openedPosition(PANEL_OPENED_X, PANEL_TOP_PADDING);
 111     m_stateOpened->assignProperty(this, "pos", openedPosition);
 112
 113     panelStateMachine->start();
 114 }
 115
 116 int TabbedPanel::addTab(QWidget *widget, const QIcon& icon)
 117 {
 118     qDebug() << __PRETTY_FUNCTION__;
 119
 120     const int APPEND_INDEX = -1;
 121
 122     return insertTab(APPEND_INDEX, widget, icon);
 123 }
 124
 125 void TabbedPanel::closePanel()
 126 {
 127     qDebug() << __PRETTY_FUNCTION__;
 128
 129     if (m_open) {
 130         m_open = false;
 131
 132         if (m_panelContextButtonBar->isBarVisible()) {
 133             m_closeRequestPending = true;
 134             m_panelContextButtonBar->hideContextButtonBar();
 135         } else {
 136             emit toggleState();
 137         }
 138     } else if (m_closeRequestPending) {
 139         m_closeRequestPending = false;
 140         emit toggleState();
 141     }
 142 }
 143
 144 int TabbedPanel::insertTab(int index, QWidget *widget, const QIcon& icon)
 145 {
 146     qDebug() << __PRETTY_FUNCTION__;
 147
 148     index = m_panelContentStack->insertWidget(index, widget);
 149     m_panelTabBar->insertTab(index, icon);
 150
 151     return index;
 152 }
 153
 154 void TabbedPanel::openPanel(QWidget *widget)
 155 {
 156     qDebug() << __PRETTY_FUNCTION__;
 157
 158     if (widget) {
 159         m_panelTabBar->selectTab(m_panelContentStack->indexOf(widget));
 160     } else if (!m_open) {
 161         if (!m_closeRequestPending) {
 162             m_open = true;
 163             emit toggleState();
 164         }
 165     }
 166 }
 167
 168 void TabbedPanel::removeTab(int index)
 169 {
 170     qDebug() << __PRETTY_FUNCTION__;
 171
 172     if (QWidget *widget = m_panelContentStack->widget(index)) {
 173         m_panelContentStack->removeWidget(widget);
 174         m_panelTabBar->removeTab(index);
 175     }
 176 }
 177
 178 void TabbedPanel::repositionContextButtonBar()
 179 {
 180     qDebug() << __PRETTY_FUNCTION__;
 181
 182     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X, height());
 183 }
 184
 185 void TabbedPanel::resizePanel(const QSize &size)
 186 {
 187     qDebug() << __PRETTY_FUNCTION__;
 188
 189     resize(PANEL_BAR_TABBED_WIDTH + PANEL_WIDTH,
 190            size.height() - PANEL_TOP_PADDING - PANEL_BOTTOM_PADDING);
 191
 192     if (!m_open)
 193         move(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH, PANEL_TOP_PADDING);
 194     else
 195         move(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH - PANEL_WIDTH, PANEL_TOP_PADDING);
 196
 197     m_panelBar->resizeBar(size);
 198
 199     m_panelContextButtonBar->move(PANEL_CONTEXT_BUTTON_BAR_LEFT_X, size.height());
 200
 201     m_panelContentStack->resizeContentStack(size);
 202
 203     QPoint closedPosition(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH, PANEL_TOP_PADDING);
 204     m_stateClosed->assignProperty(this, "pos", closedPosition);
 205
 206     QPoint openedPosition(size.width() - PANEL_TAB_WIDTH - PANEL_BAR_WIDTH - PANEL_WIDTH,
 207                           PANEL_TOP_PADDING);
 208     m_stateOpened->assignProperty(this, "pos", openedPosition);
 209 }
 210
 211 void TabbedPanel::setCurrentIndex(int index)
 212 {
 213     qDebug() << __PRETTY_FUNCTION__;
 214
 215     if ((index < m_panelContentStack->count()) && (index >= 0)) {
 216         m_panelContentStack->setCurrentIndex(index);
 217
 218         if (!m_open)
 219             openPanel();
 220
 221         m_panelContextButtonBar->setContextButtons(
 222                 static_cast<PanelBase *>(m_panelContentStack->widget(index))->contextButtons());
 223
 224         emit currentChanged(index);
 225     }
 226 }
 227
 228 void TabbedPanel::stateChanged()
 229 {
 230     qDebug() << __PRETTY_FUNCTION__;
 231
 232     if (m_open) {
 233         m_panelContextButtonBar->showContextButtonBar();
 234         emit panelOpened();
 235     } else {
 236         emit panelClosed();
 237     }
 238 }