src/dolphinstatusbar.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinstatusbar.h"
  22 #include "dolphinview.h"
  23 #include "statusbarmessagelabel.h"
  24 #include "statusbarspaceinfo.h"
  25
  26 #include <QLabel>
  27 #include <QProgressBar>
  28 #include <QTimer>
  29
  30 #include <kiconloader.h>
  31 #include <kvbox.h>
  32
  33 DolphinStatusBar::DolphinStatusBar(DolphinView* parent) :
  34     KHBox(parent),
  35     m_messageLabel(0),
  36     m_spaceInfo(0),
  37     m_progressBar(0),
  38     m_progress(100)
  39 {
  40     setSpacing(4);
  41
  42     m_messageLabel = new StatusBarMessageLabel(this);
  43     m_messageLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
  44
  45     m_spaceInfo = new StatusBarSpaceInfo(this);
  46     m_spaceInfo->setUrl(parent->url());
  47
  48     m_progressText = new QLabel(this);
  49     m_progressText->hide();
  50
  51     m_progressBar = new QProgressBar(this);
  52     m_progressBar->hide();
  53
  54     const QSize size(m_progressBar->sizeHint());
  55     m_progressBar->setMaximumWidth(200);
  56     setMinimumHeight(size.height());
  57     m_messageLabel->setMinimumTextHeight(size.height());
  58
  59     connect(parent, SIGNAL(urlChanged(const KUrl&)),
  60             this, SLOT(updateSpaceInfoContent(const KUrl&)));
  61 }
  62
  63
  64 DolphinStatusBar::~DolphinStatusBar()
  65 {
  66 }
  67
  68 void DolphinStatusBar::setMessage(const QString& msg,
  69                                   Type type)
  70 {
  71     m_messageLabel->setText(msg);
  72     m_messageLabel->setType(type);
  73
  74     const int widthGap = m_messageLabel->widthGap();
  75     if (widthGap > 0) {
  76         m_progressBar->hide();
  77         m_progressText->hide();
  78     }
  79     showSpaceInfo();
  80 }
  81
  82 DolphinStatusBar::Type DolphinStatusBar::type() const
  83 {
  84     return m_messageLabel->type();
  85 }
  86
  87 QString DolphinStatusBar::message() const
  88 {
  89     return m_messageLabel->text();
  90 }
  91
  92 void DolphinStatusBar::setProgressText(const QString& text)
  93 {
  94     m_progressText->setText(text);
  95 }
  96
  97 QString DolphinStatusBar::progressText() const
  98 {
  99     return m_progressText->text();
 100 }
 101
 102 void DolphinStatusBar::setProgress(int percent)
 103 {
 104     if (percent < 0) {
 105         percent = 0;
 106     }
 107     else if (percent > 100) {
 108         percent = 100;
 109     }
 110
 111     m_progress = percent;
 112     if (m_messageLabel->type() == Error) {
 113         // don't update any widget or status bar text if an
 114         // error message is shown
 115         return;
 116     }
 117
 118     m_progressBar->setValue(m_progress);
 119     if (!m_progressBar->isVisible() || (percent == 100)) {
 120         QTimer::singleShot(500, this, SLOT(updateProgressInfo()));
 121     }
 122
 123     const QString msg(m_messageLabel->text());
 124     if ((percent == 0) && !msg.isEmpty()) {
 125         setMessage(QString::null, Default);
 126     }
 127     else if ((percent == 100) && (msg != m_defaultText)) {
 128         setMessage(m_defaultText, Default);
 129     }
 130 }
 131
 132 void DolphinStatusBar::clear()
 133 {
 134     // TODO: check for timeout, so that it's prevented that
 135     // a message is cleared too early.
 136     setMessage(m_defaultText, Default);
 137 }
 138
 139 void DolphinStatusBar::setDefaultText(const QString& text)
 140 {
 141     m_defaultText = text;
 142 }
 143
 144 void DolphinStatusBar::resizeEvent(QResizeEvent* event)
 145 {
 146     QWidget::resizeEvent(event);
 147     QTimer::singleShot(0, this, SLOT(showSpaceInfo()));
 148 }
 149
 150 void DolphinStatusBar::updateProgressInfo()
 151 {
 152     const bool isErrorShown = (m_messageLabel->type() == Error);
 153     if (m_progress < 100) {
 154         // show the progress information and hide the space information
 155         m_spaceInfo->hide();
 156         if (!isErrorShown) {
 157             m_progressText->show();
 158             m_progressBar->show();
 159         }
 160     }
 161     else {
 162         // hide the progress information and show the space information
 163         m_progressText->hide();
 164         m_progressBar->hide();
 165         showSpaceInfo();
 166     }
 167 }
 168
 169 void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
 170 {
 171     m_spaceInfo->setUrl(url);
 172     showSpaceInfo();
 173 }
 174
 175 void DolphinStatusBar::showSpaceInfo()
 176 {
 177     const int widthGap = m_messageLabel->widthGap();
 178     const bool isProgressBarVisible = m_progressBar->isVisible();
 179
 180     if (m_spaceInfo->isVisible()) {
 181         // The space information is shown currently. Hide it
 182         // if the progress bar is visible or if the status bar
 183         // text does not fit into the available width.
 184         const QSize size(m_progressBar->sizeHint());
 185         if (isProgressBarVisible || (widthGap > 0)) {
 186             m_spaceInfo->hide();
 187         }
 188     }
 189     else if (widthGap + m_spaceInfo->width() <= 0) {
 190         m_spaceInfo->show();
 191     }
 192 }
 193
 194 #include "dolphinstatusbar.moc"