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/***************************************************************************
librarydialog.cpp
-------------------
begin : Sun Jun 04 2006
copyright : (C) 2006 by Michael Margraf
email : michael.margraf@alumni.tu-berlin.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "librarydialog.h"
#include "qucslib.h"
#include <qhbox.h>
#include <qvbox.h>
#include <qfile.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qvalidator.h>
#include <qmessagebox.h>
#include <qpushbutton.h>
#include <qscrollview.h>
#include <qradiobutton.h>
#include <qvbuttongroup.h>
LibraryDialog::LibraryDialog(QWidget *App_)
: QDialog(App_, 0, TRUE, Qt::WDestructiveClose)
{
setCaption(tr("Manage User Libraries"));
Expr.setPattern("[\\w_]+");
Validator = new QRegExpValidator(Expr, this);
// ...........................................................
QVBoxLayout *all = new QVBoxLayout(this);
all->setMargin(5);
all->setSpacing(6);
Group = new QVButtonGroup(tr("Choose library:"), this);
all->addWidget(Group);
QScrollView *Dia_Scroll = new QScrollView(Group);
Dia_Scroll->setMargin(5);
Dia_Box = new QVBox(Dia_Scroll->viewport());
Dia_Scroll->addChild(Dia_Box);
QHBox *h1 = new QHBox(this);
all->addWidget(h1);
theLabel = new QLabel(tr("New Name:"), h1);
NameEdit = new QLineEdit(h1);
NameEdit->setValidator(Validator);
// ...........................................................
QHBox *h2 = new QHBox(this);
all->addWidget(h2);
ButtDelete = new QPushButton(tr("Delete"), h2);
connect(ButtDelete, SIGNAL(clicked()), SLOT(slotDelete()));
ButtRename = new QPushButton(tr("Rename"), h2);
connect(ButtRename, SIGNAL(clicked()), SLOT(slotRename()));
ButtClose = new QPushButton(tr("Close"), h2);
connect(ButtClose, SIGNAL(clicked()), SLOT(reject()));
ButtClose->setDefault(true);
// ...........................................................
// insert all user libraries
QStringList LibFiles = UserLibDir.entryList("*.lib", QDir::Files, QDir::Name);
toggleGroup = new QVButtonGroup(); // only to handle exclusive toggling
previousLib = 0;
QStringList::iterator it;
// inserts all project directories
for(it = LibFiles.begin(); it != LibFiles.end(); it++)
toggleGroup->insert(new QRadioButton((*it).left((*it).length()-4), Dia_Box));
QColor theColor;
QButton *rButton = toggleGroup->find(0);
if(rButton)
theColor = rButton->paletteBackgroundColor();
else {
ButtDelete->setEnabled(false);
ButtRename->setEnabled(false);
theColor =
(new QLabel(tr("No user library!"), Dia_Box))->paletteBackgroundColor();
}
Dia_Scroll->viewport()->setPaletteBackgroundColor(theColor);
}
LibraryDialog::~LibraryDialog()
{
delete Validator;
}
// ---------------------------------------------------------------
// Renames selected user library.
void LibraryDialog::slotRename()
{
if(NameEdit->text().isEmpty()) {
QMessageBox::critical(this, tr("Error"), tr("Please insert a new library name!"));
return;
}
QRadioButton *rButton = (QRadioButton*)toggleGroup->selected();
if(rButton == 0) {
QMessageBox::critical(this, tr("Error"), tr("Please choose a library!"));
return;
}
QString oldName = UserLibDir.absFilePath(rButton->text());
QString newName = UserLibDir.absFilePath(NameEdit->text());
QFile NewLibFile(QucsSettings.LibDir + NameEdit->text() + ".lib");
if(NewLibFile.exists()) {
QMessageBox::critical(this, tr("Error"), tr("A system library with this name already exists!"));
return;
}
NewLibFile.setName(newName + ".lib");
if(NewLibFile.exists()) {
QMessageBox::critical(this, tr("Error"), tr("A library with this name already exists!"));
return;
}
QDir LibSubdir(oldName);
if(LibSubdir.exists()) {
if(!LibSubdir.rename(oldName, newName)) {
QMessageBox::critical(this, tr("Error"), tr("Cannot rename library subdirectory!"));
}
}
QFile LibFile(oldName + ".lib");
if(!LibFile.open(IO_ReadOnly)) {
QMessageBox::critical(this, tr("Error"), tr("Cannot open library!"));
return;
}
QByteArray FileContent = LibFile.readAll();
// LibFile.close();
// rename library name within file
char *p, *Name;
char *Config = FileContent.data();
for(;;) {
p = strstr(Config, "<Qucs Library ");
if(p == 0) break;
Name = strstr(p, " \"");
if(Name == 0) break;
Name += 2;
p = strstr(Name, "\">");
if(p == 0) break;
if(!NewLibFile.open(IO_WriteOnly)) {
QMessageBox::critical(this, tr("Error"), tr("No permission to modify library!"));
return;
}
int count = 0;
count += NewLibFile.writeBlock(Config, Name-Config);
count += NewLibFile.writeBlock(NameEdit->text().latin1(), NameEdit->text().length());
count += NewLibFile.writeBlock(p, FileContent.count() - (p-Config) );
NewLibFile.close();
count -= FileContent.count() + NameEdit->text().length() - (p-Name);
if(count != 0) {
QMessageBox::critical(this, tr("Error"), tr("Writing new library not successful!"));
return;
}
if(!LibFile.remove()) {
QMessageBox::critical(this, tr("Error"), tr("Cannot delete old library."));
toggleGroup->insert(new QRadioButton(NameEdit->text(), Dia_Box));
NameEdit->clear();
return;
}
rButton->setText(NameEdit->text());
NameEdit->clear();
return;
}
QMessageBox::critical(this, tr("Error"), tr("Library file is corrupt!"));
}
// ---------------------------------------------------------------
// Deletes the selected user library.
void LibraryDialog::slotDelete()
{
QRadioButton *rButton = (QRadioButton*)toggleGroup->selected();
if(rButton == 0) {
QMessageBox::critical(this, tr("Error"), tr("Please choose a library!"));
return;
}
QString oldName = UserLibDir.absFilePath(rButton->text());
QFile LibFile(oldName + ".lib");
if(!LibFile.remove()) {
QMessageBox::critical(this, tr("Error"),
tr("No permission to delete library \"%1\".").arg(rButton->text()));
return;
}
QDir LibSubdir(oldName);
if(LibSubdir.exists()) {
QStringList DirFiles;
QStringList::iterator it;
DirFiles = LibSubdir.entryList("*", QDir::Files, QDir::Name);
for(it = DirFiles.begin(); it != DirFiles.end(); it++)
LibSubdir.remove(*it);
if(!LibSubdir.rmdir(oldName)) {
QMessageBox::critical(this, tr("Error"),
tr("No permission to delete library subdirectory \"%1\".").
arg(rButton->text()));
return;
}
}
delete rButton;
}
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