File indexing completed on 2024-12-22 04:18:18

 /***************************************************************************
  *                                                                         *
  *   copyright : (C) 2007 The University of Toronto                        *
  *                   netterfield@astro.utoronto.ca                         *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "datasourceselector.h"
 
 #include "datasourceselectordialog.h"
 #include "geticon.h"
 
 #include <QStyle>
 #include <QLineEdit>
 #include <QToolButton>
 #include <QHBoxLayout>
 #include <QFileDialog>
 #include <QFileSystemModel>
 #include <QCompleter>
 #include <QPointer>
 
 #include <QDebug>
 #include <QLabel>
 
 namespace Kst {
 
 DataSourceSelector::DataSourceSelector(QWidget *parent)
   : QWidget(parent), _mode(QFileDialog::ExistingFile) {
   setup();
 }
 
 
 DataSourceSelector::~DataSourceSelector() {
 }
 
 
 void DataSourceSelector::setup() {
 
   _fileEdit = new QLineEdit(this);
   _fileButton = new QToolButton(this);
 
   int h = fontMetrics().lineSpacing()*4/3;
 
   _fileEdit->setFixedHeight(h);
 
 
   QHBoxLayout * layout = new QHBoxLayout(this);
   layout->setMargin(0);
   layout->addWidget(_fileEdit);
   layout->addWidget(_fileButton);
 
   _fileButton->setFixedSize(h,h);
   setLayout(layout);
 
   //int size = style()->pixelMetric(QStyle::PM_SmallIconSize);
   _fileButton->setFixedSize(h,h);
   _fileButton->setIcon(KstGetIcon("kst_changefile"));
   //qDebug() << "file button small icon size" << size;
 
   setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
   //connect (_fileEdit, SIGNAL(textChanged(const QString &)), this, SIGNAL(changed(const QString &)));
   connect (_fileEdit, SIGNAL(textChanged(QString)), this, SLOT(updateFile(QString)));
   connect (_fileButton, SIGNAL(clicked()), this, SLOT(chooseFile()));
 
   QFileSystemModel *dirModel = new QFileSystemModel;
   dirModel->setFilter(QDir::AllEntries);
   dirModel->setRootPath(QString('/'));
 
   QCompleter *completer = new QCompleter(this);
   completer->setModel(dirModel); 
 
   _fileEdit->setCompleter(completer);
   setFixedHeight(h);
 }
 
 
 QString DataSourceSelector::file() const {
   return QDir::cleanPath(_file);
 }
 
 
 void DataSourceSelector::setFile(const QString &file) {
   _file = file;
   //FIXME grrr QLineEdit doc *lies* to me... the textEdited signal is being triggered!!
   _fileEdit->blockSignals(true);
   _fileEdit->setText(_file);
   _fileEdit->blockSignals(false);
   emit changed(file);
 }
 
 void DataSourceSelector::updateFile(const QString &file) {
   if (file.contains('~')) {
     QString home = qgetenv("HOME"); // linux
     if (!home.isEmpty()) {
       QString changed_file = file;
       changed_file.replace('~', home);
       setFile(changed_file);
     }
     home = qgetenv("USERPROFILE"); // windows, maybe (?)
     if (!home.isEmpty()) {
       QString changed_file = file;
       changed_file.replace('~', home);
       setFile(changed_file);
     }
   } else {
     _file = file;
     emit changed(file);
   }
 }
 
 
 
 void DataSourceSelector::chooseFile() {
   QString file;
   QPointer<DataSourceSelectorDialog> dialog = new DataSourceSelectorDialog( _file, this );
 
   if (dialog->exec() == QDialog::Accepted) {
     file = dialog->selectedDataSource();
 
     if (!file.isEmpty()) {
       setFile(file);
     }
   }
 
   delete dialog;
 }
 
 }
 
 // vim: ts=2 sw=2 et