/usr/lib/Wt/examples/composer/Composer.C is in witty-examples 3.3.0-1build1.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include <iostream>
#include "AddresseeEdit.h"
#include "AttachmentEdit.h"
#include "Composer.h"
#include "ContactSuggestions.h"
#include "Label.h"
#include "Option.h"
#include "OptionList.h"
#include <Wt/WContainerWidget>
#include <Wt/WImage>
#include <Wt/WLineEdit>
#include <Wt/WPushButton>
#include <Wt/WText>
#include <Wt/WTable>
#include <Wt/WTableCell>
#include <Wt/WStringUtil>
Composer::Composer(WContainerWidget *parent)
: WCompositeWidget(parent),
saving_(false),
sending_(false)
{
setImplementation(layout_ = new WContainerWidget());
createUi();
}
void Composer::setTo(const std::vector<Contact>& to)
{
toEdit_->setAddressees(to);
}
void Composer::setSubject(const WString& subject)
{
subject_->setText(subject);
}
void Composer::setMessage(const WString& message)
{
message_->setText(message);
}
std::vector<Contact> Composer::to() const
{
return toEdit_->addressees();
}
std::vector<Contact> Composer::cc() const
{
return ccEdit_->addressees();
}
std::vector<Contact> Composer::bcc() const
{
return bccEdit_->addressees();
}
void Composer::setAddressBook(const std::vector<Contact>& contacts)
{
contactSuggestions_->setAddressBook(contacts);
}
const WString& Composer::subject() const
{
return subject_->text();
}
std::vector<Attachment> Composer::attachments() const
{
std::vector<Attachment> attachments;
for (unsigned i = 0; i < attachments_.size() - 1; ++i) {
std::vector<Attachment> toadd = attachments_[i]->attachments();
attachments.insert(attachments.end(), toadd.begin(), toadd.end());
}
return attachments;
}
const WString& Composer::message() const
{
return message_->text();
}
void Composer::createUi()
{
setStyleClass("darker");
// horizontal layout container, used for top and bottom buttons.
WContainerWidget *horiz;
/*
* Top buttons
*/
horiz = new WContainerWidget(layout_);
horiz->setPadding(5);
topSendButton_ = new WPushButton(tr("msg.send"), horiz);
topSendButton_->setStyleClass("default"); // default action
topSaveNowButton_ = new WPushButton(tr("msg.savenow"), horiz);
topDiscardButton_ = new WPushButton(tr("msg.discard"), horiz);
// Text widget which shows status messages, next to the top buttons.
statusMsg_ = new WText(horiz);
statusMsg_->setMargin(15, Left);
/*
* To, Cc, Bcc, Subject, Attachments
*
* They are organized in a two-column table: left column for
* labels, and right column for the edit.
*/
edits_ = new WTable(layout_);
edits_->setStyleClass("lighter");
edits_->resize(WLength(100, WLength::Percentage), WLength::Auto);
edits_->elementAt(0, 0)->resize(WLength(1, WLength::Percentage),
WLength::Auto);
/*
* To, Cc, Bcc
*/
toEdit_ = new AddresseeEdit(tr("msg.to"), edits_->elementAt(0, 1),
edits_->elementAt(0, 0));
// add some space above To:
edits_->elementAt(0, 1)->setMargin(5, Top);
ccEdit_ = new AddresseeEdit(tr("msg.cc"), edits_->elementAt(1, 1),
edits_->elementAt(1, 0));
bccEdit_ = new AddresseeEdit(tr("msg.bcc"), edits_->elementAt(2, 1),
edits_->elementAt(2, 0));
ccEdit_->hide();
bccEdit_->hide();
/*
* Addressbook suggestions popup
*/
contactSuggestions_ = new ContactSuggestions(layout_);
contactSuggestions_->forEdit(toEdit_);
contactSuggestions_->forEdit(ccEdit_);
contactSuggestions_->forEdit(bccEdit_);
/*
* We use an OptionList widget to show the expand options for
* ccEdit_ and bccEdit_ nicely next to each other, separated
* by pipe characters.
*/
options_ = new OptionList(edits_->elementAt(3, 1));
options_->add(addcc_ = new Option(tr("msg.addcc")));
options_->add(addbcc_ = new Option(tr("msg.addbcc")));
/*
* Subject
*/
new Label(tr("msg.subject"), edits_->elementAt(4, 0));
subject_ = new WLineEdit(edits_->elementAt(4, 1));
subject_->resize(WLength(99, WLength::Percentage), WLength::Auto);
/*
* Attachments
*/
new WImage("icons/paperclip.png", edits_->elementAt(5, 0));
edits_->elementAt(5, 0)->setContentAlignment(AlignRight | AlignTop);
edits_->elementAt(5, 0)->setPadding(3);
// Attachment edits: we always have the next attachmentedit ready
// but hidden. This improves the response time, since the show()
// and hide() slots are stateless.
attachments_.push_back(new AttachmentEdit(this, edits_->elementAt(5, 1)));
attachments_.back()->hide();
/*
* Two options for attaching files. The first does not say 'another'.
*/
attachFile_ = new Option(tr("msg.attachfile"),
edits_->elementAt(5, 1));
attachOtherFile_ = new Option(tr("msg.attachanother"),
edits_->elementAt(5, 1));
attachOtherFile_->hide();
/*
* Message
*/
message_ = new WTextArea(layout_);
message_->setColumns(80);
message_->setRows(10); // should be 20, but let's keep it smaller
message_->setMargin(10);
/*
* Bottom buttons
*/
horiz = new WContainerWidget(layout_);
horiz->setPadding(5);
botSendButton_ = new WPushButton(tr("msg.send"), horiz);
botSendButton_->setStyleClass("default");
botSaveNowButton_ = new WPushButton(tr("msg.savenow"), horiz);
botDiscardButton_ = new WPushButton(tr("msg.discard"), horiz);
/*
* Button events.
*/
topSendButton_->clicked().connect(this, &Composer::sendIt);
botSendButton_->clicked().connect(this, &Composer::sendIt);
topSaveNowButton_->clicked().connect(this, &Composer::saveNow);
botSaveNowButton_->clicked().connect(this, &Composer::saveNow);
topDiscardButton_->clicked().connect(this, &Composer::discardIt);
botDiscardButton_->clicked().connect(this, &Composer::discardIt);
/*
* Option events to show the cc or Bcc edit.
*
* Clicking on the option should both show the corresponding edit, and
* hide the option itself.
*/
addcc_->item()->clicked().connect(ccEdit_, &WWidget::show);
addcc_->item()->clicked().connect(addcc_, &WWidget::hide);
addcc_->item()->clicked().connect(options_, &OptionList::update);
addcc_->item()->clicked().connect(ccEdit_, &WFormWidget::setFocus);
addbcc_->item()->clicked().connect(bccEdit_, &WWidget::show);
addbcc_->item()->clicked().connect(addbcc_, &WWidget::hide);
addbcc_->item()->clicked().connect(options_, &OptionList::update);
addbcc_->item()->clicked().connect(bccEdit_, &WFormWidget::setFocus);
/*
* Option event to attach the first attachment.
*
* We show the first attachment, and call attachMore() to prepare the
* next attachment edit that will be hidden.
*
* In addition, we need to show the 'attach More' option, and hide the
* 'attach' option.
*/
attachFile_->item()->clicked().connect(attachments_.back(), &WWidget::show);
attachFile_->item()->clicked().connect(attachOtherFile_, &WWidget::show);
attachFile_->item()->clicked().connect(attachFile_, &WWidget::hide);
attachFile_->item()->clicked().connect(this, &Composer::attachMore);
attachOtherFile_->item()->clicked().connect(this, &Composer::attachMore);
}
void Composer::attachMore()
{
/*
* Create and append the next AttachmentEdit, that will be hidden.
*/
AttachmentEdit *edit = new AttachmentEdit(this);
edits_->elementAt(5, 1)->insertBefore(edit, attachOtherFile_);
attachments_.push_back(edit);
attachments_.back()->hide();
// Connect the attachOtherFile_ option to show this attachment.
attachOtherFile_->item()->clicked()
.connect(attachments_.back(), &WWidget::show);
}
void Composer::removeAttachment(AttachmentEdit *attachment)
{
/*
* Remove the given attachment from the attachments list.
*/
std::vector<AttachmentEdit *>::iterator i
= std::find(attachments_.begin(), attachments_.end(), attachment);
if (i != attachments_.end()) {
attachments_.erase(i);
delete attachment;
if (attachments_.size() == 1) {
/*
* This was the last visible attachment, thus, we should switch
* the option control again.
*/
attachOtherFile_->hide();
attachFile_->show();
attachFile_->item()->clicked()
.connect(attachments_.back(), &WWidget::show);
}
}
}
void Composer::sendIt()
{
if (!sending_) {
sending_ = true;
/*
* First save -- this will check for the sending_ state
* signal if successfull.
*/
saveNow();
}
}
void Composer::saveNow()
{
if (!saving_) {
saving_ = true;
/*
* Check if any attachments still need to be uploaded.
* This may be the case when fileupload change events could not
* be caught (for example in Konqueror).
*/
attachmentsPending_ = 0;
for (unsigned i = 0; i < attachments_.size() - 1; ++i) {
if (attachments_[i]->uploadNow()) {
++attachmentsPending_;
// this will trigger attachmentDone() when done, see
// the AttachmentEdit constructor.
}
}
std::cerr << "Attachments pending: " << attachmentsPending_ << std::endl;
if (attachmentsPending_)
setStatus(tr("msg.uploading"), "status");
else
saved();
}
}
void Composer::attachmentDone()
{
if (saving_) {
--attachmentsPending_;
std::cerr << "Attachments still: " << attachmentsPending_ << std::endl;
if (attachmentsPending_ == 0)
saved();
}
}
void Composer::setStatus(const WString& text, const WString& style)
{
statusMsg_->setText(text);
statusMsg_->setStyleClass(style);
}
void Composer::saved()
{
/*
* All attachments have been processed.
*/
bool attachmentsFailed = false;
for (unsigned i = 0; i < attachments_.size() - 1; ++i)
if (attachments_[i]->uploadFailed()) {
attachmentsFailed = true;
break;
}
if (attachmentsFailed) {
setStatus(tr("msg.attachment.failed"), "error");
} else {
#ifndef WIN32
time_t t = time(0);
struct tm td;
gmtime_r(&t, &td);
char buffer[100];
strftime(buffer, 100, "%H:%M", &td);
#else
char buffer[] = "server"; // Should fix this; for now just make sense
#endif
setStatus(tr("msg.ok"), "status");
statusMsg_->setText(std::string("Draft saved at ") + buffer);
if (sending_) {
send.emit();
return;
}
}
saving_ = false;
sending_ = false;
}
void Composer::discardIt()
{
discard.emit();
}
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