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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of Qt Creator.
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#include "buildprogress.h"
#include "projectexplorerconstants.h"

#include <coreplugin/coreconstants.h>
#include <utils/stylehelper.h>
#include <utils/themehelper.h>

#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QFont>
#include <QPixmap>
#include <QDebug>

using namespace ProjectExplorer;
using namespace ProjectExplorer::Internal;

BuildProgress::BuildProgress(TaskWindow *taskWindow, Qt::Orientation orientation)
        : m_contentWidget(new QWidget),
        m_errorIcon(new QLabel),
        m_warningIcon(new QLabel),
        m_errorLabel(new QLabel),
        m_warningLabel(new QLabel),
        m_taskWindow(taskWindow)
{
    QHBoxLayout *contentLayout = new QHBoxLayout;
    contentLayout->setContentsMargins(0, 0, 0, 0);
    contentLayout->setSpacing(0);
    setLayout(contentLayout);
    contentLayout->addWidget(m_contentWidget);
    QBoxLayout *layout;
    if (orientation == Qt::Horizontal)
        layout = new QHBoxLayout;
    else
        layout = new QVBoxLayout;
    layout->setContentsMargins(8, 2, 0, 2);
    layout->setSpacing(2);
    m_contentWidget->setLayout(layout);
    QHBoxLayout *errorLayout = new QHBoxLayout;
    errorLayout->setSpacing(2);
    layout->addLayout(errorLayout);
    errorLayout->addWidget(m_errorIcon);
    errorLayout->addWidget(m_errorLabel);
    QHBoxLayout *warningLayout = new QHBoxLayout;
    warningLayout->setSpacing(2);
    layout->addLayout(warningLayout);
    warningLayout->addWidget(m_warningIcon);
    warningLayout->addWidget(m_warningLabel);

    // ### TODO this setup should be done by style
    QFont f = this->font();
    f.setPointSizeF(Utils::StyleHelper::sidebarFontSize());
    f.setBold(true);
    m_errorLabel->setFont(f);
    m_warningLabel->setFont(f);
    m_errorLabel->setPalette(Utils::StyleHelper::sidebarFontPalette(m_errorLabel->palette()));
    m_warningLabel->setPalette(Utils::StyleHelper::sidebarFontPalette(m_warningLabel->palette()));

    m_errorIcon->setAlignment(Qt::AlignRight);
    m_warningIcon->setAlignment(Qt::AlignRight);
    m_errorIcon->setPixmap(Utils::ThemeHelper::themedIconPixmap(
                               QLatin1String(Core::Constants::ICON_ERROR)));
    m_warningIcon->setPixmap(Utils::ThemeHelper::themedIconPixmap(
                                 QLatin1String(Core::Constants::ICON_WARNING)));

    m_contentWidget->hide();

    connect(m_taskWindow, SIGNAL(tasksChanged()), this, SLOT(updateState()));
}

void BuildProgress::updateState()
{
    if (!m_taskWindow)
        return;
    int errors = m_taskWindow->errorTaskCount(Constants::TASK_CATEGORY_BUILDSYSTEM)
            + m_taskWindow->errorTaskCount(Constants::TASK_CATEGORY_COMPILE)
            + m_taskWindow->errorTaskCount(Constants::TASK_CATEGORY_DEPLOYMENT);
    bool haveErrors = (errors > 0);
    m_errorIcon->setEnabled(haveErrors);
    m_errorLabel->setEnabled(haveErrors);
    m_errorLabel->setText(QString::number(errors));
    int warnings = m_taskWindow->warningTaskCount(Constants::TASK_CATEGORY_BUILDSYSTEM)
            + m_taskWindow->warningTaskCount(Constants::TASK_CATEGORY_COMPILE)
            + m_taskWindow->warningTaskCount(Constants::TASK_CATEGORY_DEPLOYMENT);
    bool haveWarnings = (warnings > 0);
    m_warningIcon->setEnabled(haveWarnings);
    m_warningLabel->setEnabled(haveWarnings);
    m_warningLabel->setText(QString::number(warnings));

    // Hide warnings and errors unless you need them
    m_warningIcon->setVisible(haveWarnings);
    m_warningLabel->setVisible(haveWarnings);
    m_errorIcon->setVisible(haveErrors);
    m_errorLabel->setVisible(haveErrors);
    m_contentWidget->setVisible(haveWarnings || haveErrors);
}