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/*
* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include <sys/types.h>
#include <sys/stat.h>
#ifndef WIN32
#include <unistd.h>
#endif
#include <boost/lexical_cast.hpp>
#include <iostream>
#include <Wt/WApplication>
#include <Wt/WCheckBox>
#include <Wt/WText>
#include <Wt/WFileUpload>
#include "Attachment.h"
#include "AttachmentEdit.h"
#include "Composer.h"
#include "Option.h"
AttachmentEdit::AttachmentEdit(Composer *composer, WContainerWidget *parent)
: WContainerWidget(parent),
composer_(composer),
uploadDone_(this),
uploadFailed_(false),
taken_(false)
{
/*
* The file upload itself.
*/
upload_ = new WFileUpload(this);
upload_->setFileTextSize(40);
/*
* The 'remove' option.
*/
remove_ = new Option(tr("msg.remove"), this);
upload_->decorationStyle().font().setSize(WFont::Smaller);
remove_->setMargin(5, Left);
remove_->item()->clicked().connect(SLOT(this, WWidget::hide));
remove_->item()->clicked().connect(SLOT(this, AttachmentEdit::remove));
/*
* Fields that will display the feedback.
*/
// The check box to include or exclude the attachment.
keep_ = new WCheckBox(this);
keep_->hide();
// The uploaded file information.
uploaded_ = new WText("", this);
uploaded_->setStyleClass("option");
uploaded_->hide();
// The error message.
error_ = new WText("", this);
error_->setStyleClass("error");
error_->setMargin(WLength(5), Left);
/*
* React to events.
*/
// Try to catch the fileupload change signal to trigger an upload.
// We could do like google and at a delay with a WTimer as well...
upload_->changed().connect(SLOT(upload_, WFileUpload::upload));
// React to a succesfull upload.
upload_->uploaded().connect(SLOT(this, AttachmentEdit::uploaded));
// React to a fileupload problem.
upload_->fileTooLarge().connect(SLOT(this, AttachmentEdit::fileTooLarge));
/*
* Connect the uploadDone signal to the Composer's attachmentDone,
* so that the Composer can keep track of attachment upload progress,
* if it wishes.
*/
uploadDone_.connect(SLOT(composer, Composer::attachmentDone));
}
AttachmentEdit::~AttachmentEdit()
{
// delete the local attachment file copy, if it was not taken from us.
if (!taken_)
unlink(spoolFileName_.c_str());
}
bool AttachmentEdit::uploadNow()
{
/*
* See if this attachment still needs to be uploaded,
* and return if a new asynchronous upload is started.
*/
if (upload_) {
if (upload_->canUpload()) {
upload_->upload();
return true;
} else
return false;
} else
return false;
}
void AttachmentEdit::uploaded()
{
if (!upload_->emptyFileName()) {
fileName_ = upload_->clientFileName();
spoolFileName_ = upload_->spoolFileName();
upload_->stealSpooledFile();
contentDescription_ = upload_->contentDescription();
/*
* Delete this widgets since we have a succesfull upload.
*/
delete upload_;
upload_ = 0;
delete remove_;
remove_ = 0;
error_->setText("");
/*
* Include the file ?
*/
keep_->show();
keep_->setChecked();
/*
* Give information on the file uploaded.
*/
struct stat buf;
stat(spoolFileName_.c_str(), &buf);
std::wstring size;
if (buf.st_size < 1024)
size = boost::lexical_cast<std::wstring>(buf.st_size) + L" bytes";
else
size = boost::lexical_cast<std::wstring>((int)(buf.st_size / 1024))
+ L"kb";
uploaded_->setText(static_cast<std::wstring>(escapeText(fileName_))
+ L" (<i>" + contentDescription_ + L"</i>) " + size);
uploaded_->show();
uploadFailed_ = false;
} else {
error_->setText(tr("msg.file-empty"));
uploadFailed_ = true;
}
/*
* Signal to the Composer that a new asyncrhonous file upload was processed.
*/
uploadDone_.emit();
}
void AttachmentEdit::remove()
{
composer_->removeAttachment(this);
}
void AttachmentEdit::fileTooLarge(int size)
{
error_->setText(tr("msg.file-too-large"));
uploadFailed_ = true;
/*
* Signal to the Composer that a new asyncrhonous file upload was processed.
*/
uploadDone_.emit();
}
bool AttachmentEdit::include() const
{
return keep_->isChecked();
}
Attachment AttachmentEdit::attachment()
{
taken_ = true;
return Attachment(fileName_, contentDescription_, spoolFileName_);
}
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