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/*
* Copyright (C) 2010 Emweb bvba, Heverlee, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include <Wt/WApplication>
#include <Wt/WPushButton>
#include <Wt/WLineEdit>
#include <Wt/WTextArea>
#include <Wt/WText>
#include "CoderWidget.h"
using namespace Wt;
class BufferEditorWidget : public WContainerWidget
{
public:
BufferEditorWidget()
{
setStyleClass("editor");
new WText("File: ", this);
nameEdit_ = new WLineEdit(this);
textArea_ = new WTextArea(this);
textArea_->setAttributeValue("spellcheck", "false");
textArea_->setInline(false);
textArea_->setColumns(80);
textArea_->resize(WLength::Auto, 300);
}
WString name() { return nameEdit_->text(); }
WString text() {
std::wstring t = textArea_->text();
if (textArea_->hasFocus()) {
if (textArea_->hasSelectedText()) {
int i = textArea_->selectionStart();
int j = ((std::wstring) textArea_->selectedText()).length();
t = escape(t.substr(0, i)) + L"<span class=\"sel\">"
+ escape(t.substr(i, j)) + L"</span>"
+ escape(t.substr(i + j));
} else {
int i = textArea_->cursorPosition();
if (i >= 0) {
std::wstring s;
s = escape(t.substr(0, i)) + L"<span class=\"pos\">";
if (i + 1 < (int)t.length()) {
if (t[i] == '\n')
s += L' ';
s += escape(t.substr(i, 1)) + L"</span>";
s += escape(t.substr(i + 1));
} else
s += L" </span>";
t = s;
}
}
} else
t = escape(t);
return t;
}
WTextArea *textArea() { return textArea_; }
private:
WLineEdit *nameEdit_;
WTextArea *textArea_;
std::wstring escape(const std::wstring& s) {
return (std::wstring) escapeText(WString(s));
}
};
CoderWidget::CoderWidget()
{
WApplication::instance()->enableUpdates(true);
session_ = new CodeSession(boost::bind(&CoderWidget::sessionChanged, this));
WApplication::instance()->setInternalPath("/" + session_->id());
WPushButton *addBuffer = new WPushButton("Add file", this);
observerCount_ = new WText("Observers: 0", this);
addBuffer->clicked().connect(this, &CoderWidget::addBuffer);
buffers_ = new WContainerWidget(this);
insertBuffer(0);
}
CoderWidget::~CoderWidget()
{
session_->removeCoder();
WApplication::instance()->enableUpdates(false);
}
void CoderWidget::addBuffer()
{
insertBuffer(buffers_->count());
}
void CoderWidget::insertBuffer(int index)
{
session_->insertBuffer(index);
BufferEditorWidget *editor = new BufferEditorWidget();
editor->keyWentUp().connect(boost::bind(&CoderWidget::changed, this, editor));
editor->clicked().connect(boost::bind(&CoderWidget::changed, this, editor));
editor->textArea()->blurred()
.connect(boost::bind(&CoderWidget::changed, this, editor));
buffers_->insertWidget(index, editor);
}
void CoderWidget::changed(BufferEditorWidget *editor)
{
session_->updateBuffer(buffers_->indexOf(editor), editor->name(),
editor->text());
}
void CoderWidget::sessionChanged()
{
observerCount_->setText(WString("Observers: {1}")
.arg(session_->observerCount()));
WApplication::instance()->triggerUpdate();
}
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