Chris@67: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@67: 
Chris@67: /*
Chris@67:     EasyMercurial
Chris@67: 
Chris@67:     Based on HgExplorer by Jari Korhonen
Chris@67:     Copyright (c) 2010 Jari Korhonen
Chris@644:     Copyright (c) 2013 Chris Cannam
Chris@644:     Copyright (c) 2013 Queen Mary, University of London
Chris@67: 
Chris@67:     This program is free software; you can redistribute it and/or
Chris@67:     modify it under the terms of the GNU General Public License as
Chris@67:     published by the Free Software Foundation; either version 2 of the
Chris@67:     License, or (at your option) any later version.  See the file
Chris@67:     COPYING included with this distribution for more information.
Chris@67: */
Chris@67: 
Chris@67: #include "multichoicedialog.h"
Chris@67: 
Chris@69: #include "selectablelabel.h"
Chris@69: 
Chris@69: #include "debug.h"
Chris@69: 
Chris@68: #include <QDialogButtonBox>
Chris@69: #include <QToolButton>
Chris@69: #include <QPushButton>
Chris@69: #include <QFont>
Chris@69: #include <QDir>
Chris@69: #include <QFileDialog>
Chris@72: #include <QUrl>
Chris@68: 
Chris@68: MultiChoiceDialog::MultiChoiceDialog(QString title, QString heading, QWidget *parent) :
Chris@67:     QDialog(parent)
Chris@67: {
Chris@68:     setModal(true);
Chris@68:     setWindowTitle(title);
Chris@68: 
Chris@68:     QGridLayout *outer = new QGridLayout;
Chris@68:     setLayout(outer);
Chris@68: 
Chris@68:     outer->addWidget(new QLabel(heading), 0, 0, 1, 3);
Chris@68: 
Chris@68:     QWidget *innerWidget = new QWidget;
Chris@69:     outer->addWidget(innerWidget, 1, 0, 1, 3);
Chris@69:     m_choiceLayout = new QHBoxLayout;
Chris@68:     innerWidget->setLayout(m_choiceLayout);
Chris@68: 
Chris@68:     m_descriptionLabel = new QLabel;
Chris@68:     outer->addWidget(m_descriptionLabel, 2, 0, 1, 3);
Chris@68: 
Chris@69:     QFont f = m_descriptionLabel->font();
Chris@202:     f.setPointSize(f.pointSize() * 0.95);
Chris@69:     m_descriptionLabel->setFont(f);
Chris@69: 
Chris@74:     m_urlLabel = new QLabel(tr("&URL:"));
Chris@72:     outer->addWidget(m_urlLabel, 3, 0);
Chris@68: 
Chris@72:     m_urlCombo = new QComboBox();
Chris@72:     m_urlCombo->setEditable(true);
Chris@74:     m_urlLabel->setBuddy(m_urlCombo);
Chris@72:     connect(m_urlCombo, SIGNAL(editTextChanged(const QString &)),
Chris@72:             this, SLOT(urlChanged(const QString &)));
Chris@72:     outer->addWidget(m_urlCombo, 3, 1, 1, 2);
Chris@72: 
Chris@74:     m_fileLabel = new QLabel(tr("&File:"));
Chris@72:     outer->addWidget(m_fileLabel, 4, 0);
Chris@72: 
Chris@72:     m_fileCombo = new QComboBox();
Chris@72:     m_fileCombo->setEditable(true);
Chris@74:     m_fileLabel->setBuddy(m_fileCombo);
Chris@74:     connect(m_fileCombo, SIGNAL(editTextChanged(const QString &)),
Chris@74:             this, SLOT(fileChanged(const QString &)));
Chris@72:     outer->addWidget(m_fileCombo, 4, 1);
Chris@69:     outer->setColumnStretch(1, 20);
Chris@68: 
Chris@68:     m_browseButton = new QPushButton(tr("Browse..."));
Chris@72:     outer->addWidget(m_browseButton, 4, 2);
Chris@69:     connect(m_browseButton, SIGNAL(clicked()), this, SLOT(browse()));
Chris@68: 
Chris@68:     QDialogButtonBox *bbox = new QDialogButtonBox(QDialogButtonBox::Ok |
Chris@68:                                                   QDialogButtonBox::Cancel);
Chris@68:     connect(bbox, SIGNAL(accepted()), this, SLOT(accept()));
Chris@68:     connect(bbox, SIGNAL(rejected()), this, SLOT(reject()));
Chris@72:     outer->addWidget(bbox, 5, 0, 1, 3);
Chris@74: 
Chris@74:     m_okButton = bbox->button(QDialogButtonBox::Ok);
Chris@199:     updateOkButton();
Chris@74: 
Chris@69:     setMinimumWidth(480);
Chris@67: }
Chris@68: 
Chris@69: QString
Chris@69: MultiChoiceDialog::getCurrentChoice()
Chris@69: {
Chris@69:     return m_currentChoice;
Chris@69: }
Chris@69: 
Chris@69: void
Chris@69: MultiChoiceDialog::setCurrentChoice(QString c)
Chris@69: {
Chris@69:     m_currentChoice = c;
Chris@69:     choiceChanged();
Chris@69: }
Chris@69: 
Chris@69: QString
Chris@69: MultiChoiceDialog::getArgument()
Chris@69: {
Chris@72:     if (m_argTypes[m_currentChoice] == UrlArg ||
Chris@72:         m_argTypes[m_currentChoice] == UrlToDirectoryArg) {
Chris@72:         return m_urlCombo->currentText();
Chris@72:     } else {
Chris@72:         return m_fileCombo->currentText();
Chris@72:     }
Chris@72: }
Chris@72: 
Chris@72: QString
Chris@72: MultiChoiceDialog::getAdditionalArgument()
Chris@72: {
Chris@72:     if (m_argTypes[m_currentChoice] == UrlToDirectoryArg) {
Chris@72:         return m_fileCombo->currentText();
Chris@72:     } else {
Chris@72:         return "";
Chris@72:     }
Chris@69: }
Chris@69: 
Chris@69: void
Chris@72: MultiChoiceDialog::addRecentArgument(QString id, QString arg,
Chris@72:                                      bool additionalArgument)
Chris@69: {
Chris@72:     if (additionalArgument) {
Chris@72:         RecentFiles(QString("Recent-%1-add").arg(id)).addFile(arg);
Chris@72:     } else {
Chris@72:         RecentFiles(QString("Recent-%1").arg(id)).addFile(arg);
Chris@72:     }
Chris@69: }
Chris@69: 
Chris@69: void
Chris@69: MultiChoiceDialog::addChoice(QString id, QString text,
Chris@553:                              QString description, ArgType arg,
Chris@553:                              bool defaultEmpty)
Chris@69: {
Chris@69:     bool first = (m_texts.empty());
Chris@69: 
Chris@69:     m_texts[id] = text;
Chris@69:     m_descriptions[id] = description;
Chris@69:     m_argTypes[id] = arg;
Chris@553:     m_defaultEmpty[id] = defaultEmpty;
Chris@69:     
Chris@69:     if (arg != NoArg) {
Chris@69:         m_recentFiles[id] = QSharedPointer<RecentFiles>
Chris@69:             (new RecentFiles(QString("Recent-%1").arg(id)));
Chris@69:     }
Chris@69: 
Chris@69:     SelectableLabel *cb = new SelectableLabel;
Chris@69:     cb->setSelectedText(text);
Chris@69:     cb->setUnselectedText(text);
Chris@183:     cb->setMaximumWidth(270);
Chris@69: 
Chris@69:     m_choiceLayout->addWidget(cb);
Chris@69:     m_choiceButtons[cb] = id;
Chris@69: 
Chris@69:     connect(cb, SIGNAL(selectionChanged()), this, SLOT(choiceChanged()));
Chris@69: 
Chris@69:     if (first) {
Chris@69:         m_currentChoice = id;
Chris@69:         choiceChanged();
Chris@69:     }
Chris@69: }
Chris@69: 
Chris@342: QString
Chris@342: MultiChoiceDialog::getDefaultPath() const
Chris@342: {
Chris@342:     QDir home(QDir::home());
Chris@342:     QDir dflt;
Chris@342: 
Chris@483:     dflt = QDir(home.filePath(tr("Documents")));
Chris@483:     DEBUG << "testing " << dflt << endl;
Chris@483:     if (dflt.exists()) return dflt.canonicalPath();
Chris@483: 
Chris@342:     dflt = QDir(home.filePath(tr("My Documents")));
Chris@342:     DEBUG << "testing " << dflt << endl;
Chris@342:     if (dflt.exists()) return dflt.canonicalPath();
Chris@342: 
Chris@483:     dflt = QDir(home.filePath(tr("Desktop")));
Chris@342:     DEBUG << "testing " << dflt << endl;
Chris@342:     if (dflt.exists()) return dflt.canonicalPath();
Chris@342: 
Chris@342:     DEBUG << "all failed, returning " << home << endl;
Chris@342:     return home.canonicalPath();
Chris@342: }
Chris@342: 
Chris@69: void
Chris@69: MultiChoiceDialog::browse()
Chris@69: {
Chris@69:     QString origin = getArgument();
Chris@69: 
Chris@69:     if (origin == "") {
Chris@342:         origin = getDefaultPath();
Chris@69:     }
Chris@69: 
Chris@69:     QString path = origin;
Chris@69: 
Chris@72:     if (m_argTypes[m_currentChoice] == DirectoryArg ||
Chris@72:         m_argTypes[m_currentChoice] == UrlToDirectoryArg) {
Chris@69: 
Chris@69:         path = QFileDialog::getExistingDirectory
Chris@69:             (this, tr("Open Directory"), origin,
Chris@69:              QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
Chris@69:         if (path != QString()) {
Chris@72:             m_fileCombo->lineEdit()->setText(path + QDir::separator());
Chris@69:         }
Chris@69: 
Chris@69:     } else {
Chris@69: 
Chris@69:         path = QFileDialog::getOpenFileName
Chris@69:             (this, tr("Open File"), origin);
Chris@69:         if (path != QString()) {
Chris@72:             m_fileCombo->lineEdit()->setText(path);
Chris@69:         }
Chris@69:     }
Chris@69: }
Chris@69: 
Chris@69: void
Chris@671: MultiChoiceDialog::urlChanged(const QString &)
Chris@72: {
Chris@199:     updateOkButton();
Chris@483:     updateFileComboFromURL();
Chris@199: }
Chris@199: 
Chris@199: void
Chris@671: MultiChoiceDialog::fileChanged(const QString &)
Chris@199: {
Chris@199:     updateOkButton();
Chris@199: }
Chris@199: 
Chris@199: void
Chris@483: MultiChoiceDialog::updateFileComboFromURL()
Chris@199: {
Chris@72:     if (m_argTypes[m_currentChoice] != UrlToDirectoryArg) {
Chris@72:         return;
Chris@72:     }
Chris@72:     QString url = m_urlCombo->currentText();
Chris@72:     if (QRegExp("^\\w+://").indexIn(url) < 0) {
Chris@72:         return;
Chris@72:     }
Chris@72:     QString urlDirName = url;
Chris@79:     urlDirName.replace(QRegExp("^.*\\//.*\\/"), "");
Chris@72:     if (urlDirName == "" || urlDirName == url) {
Chris@72:         return;
Chris@72:     }
Chris@483:     QString dirPath = m_fileCombo->currentText();
Chris@483:     QString defaultPath = getDefaultPath();
Chris@483:     if (dirPath == defaultPath) {
Chris@483:         dirPath += QDir::separator() + urlDirName;
Chris@483:     } else if (dirPath == defaultPath + QDir::separator()) {
Chris@483:         dirPath += urlDirName;
Chris@483:     } else {
Chris@483:         QDir d(dirPath);
Chris@483:         d.cdUp();
Chris@483:         dirPath = d.filePath(urlDirName);
Chris@483:     }
Chris@483:     m_fileCombo->lineEdit()->setText(dirPath);
Chris@483: }
Chris@483: 
Chris@483: void
Chris@483: MultiChoiceDialog::updateOkButton()
Chris@483: {
Chris@565:     if (m_defaultEmpty[m_currentChoice]) {
Chris@565:         m_okButton->setEnabled(true);
Chris@565:     } else if (m_argTypes[m_currentChoice] == UrlToDirectoryArg) {
Chris@79:         m_okButton->setEnabled(getArgument() != "" &&
Chris@79:                                getAdditionalArgument() != "");
Chris@79:     } else {
Chris@79:         m_okButton->setEnabled(getArgument() != "");
Chris@79:     }
Chris@72: }
Chris@72: 
Chris@604: bool
Chris@604: MultiChoiceDialog::urlComboNotUrl() const
Chris@604: {
Chris@604:     QString url = m_urlCombo->currentText();
Chris@604:     if (QRegExp("^\\w+://").indexIn(url) < 0) {
Chris@604:         return true;
Chris@604:     } else {
Chris@604:         return false;
Chris@604:     }
Chris@604: }
Chris@604: 
Chris@72: void
Chris@69: MultiChoiceDialog::choiceChanged()
Chris@69: {
Chris@69:     DEBUG << "choiceChanged" << endl;
Chris@69: 
Chris@69:     if (m_choiceButtons.empty()) return;
Chris@69: 
Chris@69:     QString id = "";
Chris@69: 
Chris@69:     QObject *s = sender();
Chris@69:     QWidget *w = qobject_cast<QWidget *>(s);
Chris@69:     if (w) id = m_choiceButtons[w];
Chris@69: 
Chris@69:     if (id == m_currentChoice) return;
Chris@69:     if (id == "") {
Chris@69:         // Happens when this is called for the very first time, when
Chris@69:         // m_currentChoice has been set to the intended ID but no
Chris@69:         // button has actually been pressed -- then we need to
Chris@69:         // initialise
Chris@69:         id = m_currentChoice;
Chris@69:     }
Chris@69: 
Chris@69:     m_currentChoice = id;
Chris@69: 
Chris@69:     foreach (QWidget *cw, m_choiceButtons.keys()) {
Chris@69:         SelectableLabel *sl = qobject_cast<SelectableLabel *>(cw);
Chris@69:         if (sl) {
Chris@69:             sl->setSelected(m_choiceButtons[cw] == id);
Chris@69:         }
Chris@69:     }
Chris@69: 
Chris@69:     m_descriptionLabel->setText(m_descriptions[id]);
Chris@69: 
Chris@72:     m_browseButton->hide();
Chris@483: 
Chris@72:     m_urlLabel->hide();
Chris@483:     m_urlCombo->clear();
Chris@72:     m_urlCombo->hide();
Chris@72: 
Chris@483:     m_fileLabel->hide();
Chris@483:     m_fileCombo->clear();
Chris@483:     m_fileCombo->hide();
Chris@483: 
Chris@72:     QSharedPointer<RecentFiles> rf = m_recentFiles[id];
Chris@72: 
Chris@69:     switch (m_argTypes[id]) {
Chris@69:         
Chris@69:     case NoArg:
Chris@69:         break;
Chris@69: 
Chris@69:     case FileArg:
Chris@74:         m_fileLabel->setText(tr("&File:"));
Chris@72:         m_fileLabel->show();
Chris@72:         m_fileCombo->show();
Chris@72:         m_fileCombo->addItems(rf->getRecent());
Chris@553:         if (m_defaultEmpty[id]) m_fileCombo->lineEdit()->setText("");
Chris@69:         m_browseButton->show();
Chris@69:         break;
Chris@69: 
Chris@69:     case DirectoryArg:
Chris@74:         m_fileLabel->setText(tr("&Folder:"));
Chris@72:         m_fileLabel->show();
Chris@72:         m_fileCombo->show();
Chris@72:         m_fileCombo->addItems(rf->getRecent());
Chris@553:         if (m_defaultEmpty[id]) m_fileCombo->lineEdit()->setText("");
Chris@69:         m_browseButton->show();
Chris@69:         break;
Chris@69: 
Chris@69:     case UrlArg:
Chris@72:         m_urlLabel->show();
Chris@72:         m_urlCombo->show();
Chris@183:         m_urlCombo->addItems(rf->getRecent());
Chris@604:         if (m_defaultEmpty[id] || urlComboNotUrl()) {
Chris@604:             m_urlCombo->lineEdit()->setText("");
Chris@604:         }
Chris@69:         break;
Chris@69: 
Chris@72:     case UrlToDirectoryArg:
Chris@72:         m_urlLabel->show();
Chris@72:         m_urlCombo->show();
Chris@72:         m_urlCombo->addItems(rf->getRecent());
Chris@604:         if (m_defaultEmpty[id] || urlComboNotUrl()) {
Chris@604:             m_urlCombo->lineEdit()->setText("");
Chris@604:         }
Chris@74:         m_fileLabel->setText(tr("&Folder:"));
Chris@72:         m_fileLabel->show();
Chris@72:         m_fileCombo->show();
Chris@342:         m_fileCombo->lineEdit()->setText(getDefaultPath());
Chris@483:         updateFileComboFromURL();
Chris@69:         m_browseButton->show();
Chris@69:         break;
Chris@69:     }
Chris@69: 
Chris@199:     updateOkButton();
Chris@69:     adjustSize();
Chris@69: }
Chris@69: 
Chris@69: