ground/gcs/src/libs/utils/projectintropage.cpp

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       projectintropage.cpp
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
   7  * @brief
   8  * @see        The GNU Public License (GPL) Version 3
   9  * @defgroup
  10  * @{
  11  *
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #include "projectintropage.h"
  30 #include "filewizardpage.h"
  31 #include "ui_projectintropage.h"
  32
  33 #include <QMessageBox>
  34 #include <QtCore/QDir>
  35 #include <QtCore/QFileInfo>
  36
  37 namespace Utils {
  38 struct ProjectIntroPagePrivate {
  39     ProjectIntroPagePrivate();
  40     Ui::ProjectIntroPage m_ui;
  41     bool m_complete;
  42     // Status label style sheets
  43     const QString m_errorStyleSheet;
  44     const QString m_warningStyleSheet;
  45     const QString m_hintStyleSheet;
  46 };
  47
  48 ProjectIntroPagePrivate::ProjectIntroPagePrivate() :
  49     m_complete(false),
  50     m_errorStyleSheet(QLatin1String("background : red;")),
  51     m_warningStyleSheet(QLatin1String("background : yellow;")),
  52     m_hintStyleSheet()
  53 {}
  54
  55 ProjectIntroPage::ProjectIntroPage(QWidget *parent) :
  56     QWizardPage(parent),
  57     m_d(new ProjectIntroPagePrivate)
  58 {
  59     m_d->m_ui.setupUi(this);
  60     hideStatusLabel();
  61     m_d->m_ui.nameLineEdit->setInitialText(tr("<Enter_Name>"));
  62     m_d->m_ui.nameLineEdit->setFocus(Qt::TabFocusReason);
  63     connect(m_d->m_ui.pathChooser, SIGNAL(changed(QString)), this, SLOT(slotChanged()));
  64     connect(m_d->m_ui.nameLineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotChanged()));
  65     connect(m_d->m_ui.pathChooser, SIGNAL(returnPressed()), this, SLOT(slotActivated()));
  66     connect(m_d->m_ui.nameLineEdit, SIGNAL(validReturnPressed()), this, SLOT(slotActivated()));
  67 }
  68
  69 void ProjectIntroPage::insertControl(int row, QWidget *label, QWidget *control)
  70 {
  71     m_d->m_ui.formLayout->insertRow(row, label, control);
  72 }
  73
  74 ProjectIntroPage::~ProjectIntroPage()
  75 {
  76     delete m_d;
  77 }
  78
  79 QString ProjectIntroPage::name() const
  80 {
  81     return m_d->m_ui.nameLineEdit->text();
  82 }
  83
  84 QString ProjectIntroPage::path() const
  85 {
  86     return m_d->m_ui.pathChooser->path();
  87 }
  88
  89 void ProjectIntroPage::setPath(const QString &path)
  90 {
  91     m_d->m_ui.pathChooser->setPath(path);
  92 }
  93
  94 void ProjectIntroPage::setName(const QString &name)
  95 {
  96     m_d->m_ui.nameLineEdit->setText(name);
  97 }
  98
  99 QString ProjectIntroPage::description() const
 100 {
 101     return m_d->m_ui.descriptionLabel->text();
 102 }
 103
 104 void ProjectIntroPage::setDescription(const QString &description)
 105 {
 106     m_d->m_ui.descriptionLabel->setText(description);
 107 }
 108
 109 void ProjectIntroPage::changeEvent(QEvent *e)
 110 {
 111     QWizardPage::changeEvent(e);
 112
 113     switch (e->type()) {
 114     case QEvent::LanguageChange:
 115         m_d->m_ui.retranslateUi(this);
 116         break;
 117     default:
 118         break;
 119     }
 120 }
 121
 122 bool ProjectIntroPage::isComplete() const
 123 {
 124     return m_d->m_complete;
 125 }
 126
 127 bool ProjectIntroPage::validate()
 128 {
 129     // Validate and display status
 130     if (!m_d->m_ui.pathChooser->isValid()) {
 131         displayStatusMessage(Error, m_d->m_ui.pathChooser->errorMessage());
 132         return false;
 133     }
 134
 135     // Name valid? Ignore 'DisplayingInitialText' state.
 136     bool nameValid = false;
 137     switch (m_d->m_ui.nameLineEdit->state()) {
 138     case BaseValidatingLineEdit::Invalid:
 139         displayStatusMessage(Error, m_d->m_ui.nameLineEdit->errorMessage());
 140         return false;
 141
 142     case BaseValidatingLineEdit::DisplayingInitialText:
 143         break;
 144     case BaseValidatingLineEdit::Valid:
 145         nameValid = true;
 146         break;
 147     }
 148
 149     // Check existence of the directory
 150     QString projectDir = path();
 151     projectDir += QDir::separator();
 152     projectDir += m_d->m_ui.nameLineEdit->text();
 153     const QFileInfo projectDirFile(projectDir);
 154     if (!projectDirFile.exists()) { // All happy
 155         hideStatusLabel();
 156         return nameValid;
 157     }
 158
 159     if (projectDirFile.isDir()) {
 160         displayStatusMessage(Warning, tr("The project already exists."));
 161         return nameValid;;
 162     }
 163     // Not a directory, but something else, likely causing directory creation to fail
 164     displayStatusMessage(Error, tr("A file with that name already exists."));
 165     return false;
 166 }
 167
 168 void ProjectIntroPage::slotChanged()
 169 {
 170     const bool newComplete = validate();
 171
 172     if (newComplete != m_d->m_complete) {
 173         m_d->m_complete = newComplete;
 174         emit completeChanged();
 175     }
 176 }
 177
 178 void ProjectIntroPage::slotActivated()
 179 {
 180     if (m_d->m_complete) {
 181         emit activated();
 182     }
 183 }
 184
 185 bool ProjectIntroPage::validateProjectDirectory(const QString &name, QString *errorMessage)
 186 {
 187     return ProjectNameValidatingLineEdit::validateProjectName(name, errorMessage);
 188 }
 189
 190 void ProjectIntroPage::displayStatusMessage(StatusLabelMode m, const QString &s)
 191 {
 192     switch (m) {
 193     case Error:
 194         m_d->m_ui.stateLabel->setStyleSheet(m_d->m_errorStyleSheet);
 195         break;
 196     case Warning:
 197         m_d->m_ui.stateLabel->setStyleSheet(m_d->m_warningStyleSheet);
 198         break;
 199     case Hint:
 200         m_d->m_ui.stateLabel->setStyleSheet(m_d->m_hintStyleSheet);
 201         break;
 202     }
 203     m_d->m_ui.stateLabel->setText(s);
 204 }
 205
 206 void ProjectIntroPage::hideStatusLabel()
 207 {
 208     displayStatusMessage(Hint, QString());
 209 }
 210 } // namespace Utils