/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
   Agreement, and all incorporated terms including the JUCE Privacy Policy and
   the JUCE Website Terms of Service, as applicable, which will bind you. If you
   do not agree to the terms of these agreements, we will not license the JUCE
   framework to you, and you must discontinue the installation or download
   process and cease use of the JUCE framework.

   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/

   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

class TableHeaderComponent::DragOverlayComp final : public Component
{
public:
    DragOverlayComp (const Image& i) : image (i)
    {
        image.duplicateIfShared();
        image.multiplyAllAlphas (0.8f);
        setAlwaysOnTop (true);
    }

    void paint (Graphics& g) override
    {
        g.drawImage (image, getLocalBounds().toFloat());
    }

    Image image;

    JUCE_DECLARE_NON_COPYABLE (DragOverlayComp)
};


//==============================================================================
TableHeaderComponent::TableHeaderComponent()
{
    setFocusContainerType (FocusContainerType::focusContainer);
}

TableHeaderComponent::~TableHeaderComponent()
{
    dragOverlayComp.reset();
}

//==============================================================================
void TableHeaderComponent::setPopupMenuActive (bool hasMenu)
{
    menuActive = hasMenu;
}

bool TableHeaderComponent::isPopupMenuActive() const    { return menuActive; }


//==============================================================================
int TableHeaderComponent::getNumColumns (const bool onlyCountVisibleColumns) const
{
    if (onlyCountVisibleColumns)
    {
        int num = 0;

        for (auto* c : columns)
            if (c->isVisible())
                ++num;

        return num;
    }

    return columns.size();
}

String TableHeaderComponent::getColumnName (const int columnId) const
{
    if (auto* ci = getInfoForId (columnId))
        return ci->getTitle();

    return {};
}

void TableHeaderComponent::setColumnName (const int columnId, const String& newName)
{
    if (auto* ci = getInfoForId (columnId))
    {
        if (ci->getTitle() != newName)
        {
            ci->setTitle (newName);
            sendColumnsChanged();
        }
    }
}

void TableHeaderComponent::addColumn (const String& columnName,
                                      int columnId,
                                      int width,
                                      int minimumWidth,
                                      int maximumWidth,
                                      int propertyFlags,
                                      int insertIndex)
{
    // can't have a duplicate or zero ID!
    jassert (columnId != 0 && getIndexOfColumnId (columnId, false) < 0);
    jassert (width > 0);

    auto ci = new ColumnInfo();
    ci->setTitle (columnName);
    ci->id = columnId;
    ci->width = width;
    ci->lastDeliberateWidth = width;
    ci->minimumWidth = minimumWidth;
    ci->maximumWidth = maximumWidth >= 0 ? maximumWidth : std::numeric_limits<int>::max();
    jassert (ci->maximumWidth >= ci->minimumWidth);
    ci->propertyFlags = propertyFlags;

    auto* added = columns.insert (insertIndex, ci);
    addChildComponent (added);
    added->setVisible ((propertyFlags & visible) != 0);

    resized();
    sendColumnsChanged();
}

void TableHeaderComponent::removeColumn (const int columnIdToRemove)
{
    auto index = getIndexOfColumnId (columnIdToRemove, false);

    if (index >= 0)
    {
        columns.remove (index);
        sortChanged = true;
        sendColumnsChanged();
    }
}

void TableHeaderComponent::removeAllColumns()
{
    if (columns.size() > 0)
    {
        columns.clear();
        sendColumnsChanged();
    }
}

void TableHeaderComponent::moveColumn (const int columnId, int newIndex)
{
    auto currentIndex = getIndexOfColumnId (columnId, false);
    newIndex = visibleIndexToTotalIndex (newIndex);

    if (columns[currentIndex] != nullptr && currentIndex != newIndex)
    {
        columns.move (currentIndex, newIndex);
        sendColumnsChanged();
    }
}

int TableHeaderComponent::getColumnWidth (const int columnId) const
{
    if (auto* ci = getInfoForId (columnId))
        return ci->width;

    return 0;
}

void TableHeaderComponent::setColumnWidth (const int columnId, const int newWidth)
{
    if (auto* ci = getInfoForId (columnId))
    {
        const auto newWidthToUse = jlimit (ci->minimumWidth, ci->maximumWidth, newWidth);

        if (ci->width != newWidthToUse)
        {
            auto numColumns = getNumColumns (true);

            ci->lastDeliberateWidth = ci->width = newWidthToUse;

            if (stretchToFit)
            {
                auto index = getIndexOfColumnId (columnId, true) + 1;

                if (isPositiveAndBelow (index, numColumns))
                {
                    auto x = getColumnPosition (index).getX();

                    if (lastDeliberateWidth == 0)
                        lastDeliberateWidth = getTotalWidth();

                    resizeColumnsToFit (visibleIndexToTotalIndex (index), lastDeliberateWidth - x);
                }
            }

            resized();
            repaint();
            columnsResized = true;
            triggerAsyncUpdate();
        }
    }
}

//==============================================================================
int TableHeaderComponent::getIndexOfColumnId (const int columnId, const bool onlyCountVisibleColumns) const
{
    int n = 0;

    for (auto* c : columns)
    {
        if ((! onlyCountVisibleColumns) || c->isVisible())
        {
            if (c->id == columnId)
                return n;

            ++n;
        }
    }

    return -1;
}

int TableHeaderComponent::getColumnIdOfIndex (int index, const bool onlyCountVisibleColumns) const
{
    if (onlyCountVisibleColumns)
        index = visibleIndexToTotalIndex (index);

    if (auto* ci = columns [index])
        return ci->id;

    return 0;
}

Rectangle<int> TableHeaderComponent::getColumnPosition (const int index) const
{
    int x = 0, width = 0, n = 0;

    for (auto* c : columns)
    {
        x += width;

        if (c->isVisible())
        {
            width = c->width;

            if (n++ == index)
                break;
        }
        else
        {
            width = 0;
        }
    }

    return { x, 0, width, getHeight() };
}

int TableHeaderComponent::getColumnIdAtX (const int xToFind) const
{
    if (xToFind >= 0)
    {
        int x = 0;

        for (auto* ci : columns)
        {
            if (ci->isVisible())
            {
                x += ci->width;

                if (xToFind < x)
                    return ci->id;
            }
        }
    }

    return 0;
}

int TableHeaderComponent::getTotalWidth() const
{
    int w = 0;

    for (auto* c : columns)
        if (c->isVisible())
            w += c->width;

    return w;
}

void TableHeaderComponent::setStretchToFitActive (const bool shouldStretchToFit)
{
    stretchToFit = shouldStretchToFit;
    lastDeliberateWidth = getTotalWidth();
    resized();
}

bool TableHeaderComponent::isStretchToFitActive() const
{
    return stretchToFit;
}

void TableHeaderComponent::resizeAllColumnsToFit (int targetTotalWidth)
{
    if (stretchToFit && getWidth() > 0
         && columnIdBeingResized == 0 && columnIdBeingDragged == 0)
    {
        lastDeliberateWidth = targetTotalWidth;
        resizeColumnsToFit (0, targetTotalWidth);
    }
}

void TableHeaderComponent::resizeColumnsToFit (int firstColumnIndex, int targetTotalWidth)
{
    targetTotalWidth = jmax (targetTotalWidth, 0);
    StretchableObjectResizer sor;

    for (int i = firstColumnIndex; i < columns.size(); ++i)
    {
        auto* ci = columns.getUnchecked (i);

        if (ci->isVisible())
            sor.addItem (ci->lastDeliberateWidth, ci->minimumWidth, ci->maximumWidth);
    }

    sor.resizeToFit (targetTotalWidth);
    int visIndex = 0;

    for (int i = firstColumnIndex; i < columns.size(); ++i)
    {
        auto* ci = columns.getUnchecked (i);

        if (ci->isVisible())
        {
            auto newWidth = jlimit (ci->minimumWidth, ci->maximumWidth,
                                    (int) std::floor (sor.getItemSize (visIndex++)));

            if (newWidth != ci->width)
            {
                ci->width = newWidth;
                resized();
                repaint();
                columnsResized = true;
                triggerAsyncUpdate();
            }
        }
    }
}

void TableHeaderComponent::setColumnVisible (const int columnId, const bool shouldBeVisible)
{
    if (auto* ci = getInfoForId (columnId))
    {
        if (shouldBeVisible != ci->isVisible())
        {
            ci->setVisible (shouldBeVisible);
            sendColumnsChanged();
            resized();
        }
    }
}

bool TableHeaderComponent::isColumnVisible (const int columnId) const
{
    if (auto* ci = getInfoForId (columnId))
        return ci->isVisible();

    return false;
}

//==============================================================================
void TableHeaderComponent::setSortColumnId (const int columnId, const bool sortForwards)
{
    if (getSortColumnId() != columnId || isSortedForwards() != sortForwards)
    {
        for (auto* c : columns)
            c->propertyFlags &= ~(sortedForwards | sortedBackwards);

        if (auto* ci = getInfoForId (columnId))
            ci->propertyFlags |= (sortForwards ? sortedForwards : sortedBackwards);

        reSortTable();
    }
}

int TableHeaderComponent::getSortColumnId() const
{
    for (auto* c : columns)
        if ((c->propertyFlags & (sortedForwards | sortedBackwards)) != 0)
            return c->id;

    return 0;
}

bool TableHeaderComponent::isSortedForwards() const
{
    for (auto* c : columns)
        if ((c->propertyFlags & (sortedForwards | sortedBackwards)) != 0)
            return (c->propertyFlags & sortedForwards) != 0;

    return true;
}

void TableHeaderComponent::reSortTable()
{
    sortChanged = true;
    resized();
    repaint();
    triggerAsyncUpdate();
}

//==============================================================================
String TableHeaderComponent::toString() const
{
    String s;

    XmlElement doc ("TABLELAYOUT");

    doc.setAttribute ("sortedCol", getSortColumnId());
    doc.setAttribute ("sortForwards", isSortedForwards());

    for (auto* ci : columns)
    {
        auto* e = doc.createNewChildElement ("COLUMN");
        e->setAttribute ("id", ci->id);
        e->setAttribute ("visible", ci->isVisible());
        e->setAttribute ("width", ci->width);
    }

    return doc.toString (XmlElement::TextFormat().singleLine().withoutHeader());
}

void TableHeaderComponent::restoreFromString (const String& storedVersion)
{
    if (auto storedXML = parseXMLIfTagMatches (storedVersion, "TABLELAYOUT"))
    {
        int index = 0;

        for (auto* col : storedXML->getChildIterator())
        {
            auto tabId = col->getIntAttribute ("id");

            if (auto* ci = getInfoForId (tabId))
            {
                columns.move (columns.indexOf (ci), index);
                ci->width = col->getIntAttribute ("width");
                setColumnVisible (tabId, col->getBoolAttribute ("visible"));
            }

            ++index;
        }

        columnsResized = true;
        sendColumnsChanged();

        setSortColumnId (storedXML->getIntAttribute ("sortedCol"),
                         storedXML->getBoolAttribute ("sortForwards", true));
    }
}

//==============================================================================
void TableHeaderComponent::addListener (Listener* newListener)
{
    listeners.addIfNotAlreadyThere (newListener);
}

void TableHeaderComponent::removeListener (Listener* listenerToRemove)
{
    listeners.removeFirstMatchingValue (listenerToRemove);
}

//==============================================================================
void TableHeaderComponent::columnClicked (int columnId, const ModifierKeys& mods)
{
    if (auto* ci = getInfoForId (columnId))
        if ((ci->propertyFlags & sortable) != 0 && ! mods.isPopupMenu())
            setSortColumnId (columnId, (ci->propertyFlags & sortedForwards) == 0);
}

void TableHeaderComponent::addMenuItems (PopupMenu& menu, const int /*columnIdClicked*/)
{
    for (auto* ci : columns)
        if ((ci->propertyFlags & appearsOnColumnMenu) != 0)
            menu.addItem (ci->id, ci->getTitle(),
                          (ci->propertyFlags & (sortedForwards | sortedBackwards)) == 0,
                          isColumnVisible (ci->id));
}

void TableHeaderComponent::reactToMenuItem (const int menuReturnId, const int /*columnIdClicked*/)
{
    if (getIndexOfColumnId (menuReturnId, false) >= 0)
        setColumnVisible (menuReturnId, ! isColumnVisible (menuReturnId));
}

void TableHeaderComponent::drawColumnHeader (Graphics& g, LookAndFeel& lf, const ColumnInfo& ci)
{
    // Only paint columns that are visible
    if (! ci.isVisible())
        return;

    // If this column is being dragged, it shouldn't be drawn in the table header
    if (ci.id == columnIdBeingDragged && dragOverlayComp != nullptr && dragOverlayComp->isVisible())
        return;

    // There's no point drawing this column header if no part of it is visible
    if (! g.getClipBounds()
           .getHorizontalRange()
           .intersects (Range<int>::withStartAndLength (ci.getX(), ci.width)))
        return;

    Graphics::ScopedSaveState ss (g);

    g.setOrigin (ci.getX(), ci.getY());
    g.reduceClipRegion (0, 0, ci.width, ci.getHeight());

    lf.drawTableHeaderColumn (g, *this, ci.getTitle(), ci.id, ci.width, getHeight(),
                              ci.id == columnIdUnderMouse,
                              ci.id == columnIdUnderMouse && isMouseButtonDown(),
                              ci.propertyFlags);
}

void TableHeaderComponent::paint (Graphics& g)
{
    auto& lf = getLookAndFeel();

    lf.drawTableHeaderBackground (g, *this);

    for (auto* ci : columns)
        drawColumnHeader (g, lf, *ci);
}

void TableHeaderComponent::resized()
{
    int x = 0;

    for (auto* ci : columns)
    {
        const auto widthToUse = ci->isVisible() ? ci->width : 0;
        ci->setBounds (x, 0, widthToUse, getHeight());
        x += widthToUse;
    }
}

void TableHeaderComponent::mouseMove  (const MouseEvent& e)  { updateColumnUnderMouse (e); }
void TableHeaderComponent::mouseEnter (const MouseEvent& e)  { updateColumnUnderMouse (e); }
void TableHeaderComponent::mouseExit  (const MouseEvent&)    { setColumnUnderMouse (0); }

void TableHeaderComponent::mouseDown (const MouseEvent& e)
{
    resized();
    repaint();
    columnIdBeingResized = 0;
    columnIdBeingDragged = 0;

    if (columnIdUnderMouse != 0)
    {
        draggingColumnOffset = e.x - getColumnPosition (getIndexOfColumnId (columnIdUnderMouse, true)).getX();

        if (e.mods.isPopupMenu())
            columnClicked (columnIdUnderMouse, e.mods);
    }

    if (menuActive && e.mods.isPopupMenu())
        showColumnChooserMenu (columnIdUnderMouse);
}

void TableHeaderComponent::mouseDrag (const MouseEvent& e)
{
    if (columnIdBeingResized == 0
         && columnIdBeingDragged == 0
         && e.mouseWasDraggedSinceMouseDown()
         && ! e.mods.isPopupMenu())
    {
        dragOverlayComp.reset();

        columnIdBeingResized = getResizeDraggerAt (e.getMouseDownX());

        if (columnIdBeingResized != 0)
        {
            if (auto* ci = getInfoForId (columnIdBeingResized))
                initialColumnWidth = ci->width;
            else
                jassertfalse;
        }
        else
        {
            beginDrag (e);
        }
    }

    if (columnIdBeingResized != 0)
    {
        if (auto* ci = getInfoForId (columnIdBeingResized))
        {
            auto w = jlimit (ci->minimumWidth, ci->maximumWidth,
                             initialColumnWidth + e.getDistanceFromDragStartX());

            if (stretchToFit)
            {
                // prevent us dragging a column too far right if we're in stretch-to-fit mode
                int minWidthOnRight = 0;

                for (int i = getIndexOfColumnId (columnIdBeingResized, false) + 1; i < columns.size(); ++i)
                    if (columns.getUnchecked (i)->isVisible())
                        minWidthOnRight += columns.getUnchecked (i)->minimumWidth;

                auto currentPos = getColumnPosition (getIndexOfColumnId (columnIdBeingResized, true));
                w = jmax (ci->minimumWidth, jmin (w, lastDeliberateWidth - minWidthOnRight - currentPos.getX()));
            }

            setColumnWidth (columnIdBeingResized, w);
        }
    }
    else if (columnIdBeingDragged != 0)
    {
        if (e.y >= -50 && e.y < getHeight() + 50)
        {
            if (dragOverlayComp != nullptr)
            {
                dragOverlayComp->setVisible (true);
                dragOverlayComp->setBounds (jlimit (0,
                                                    jmax (0, getTotalWidth() - dragOverlayComp->getWidth()),
                                                    e.x - draggingColumnOffset),
                                            0,
                                            dragOverlayComp->getWidth(),
                                            getHeight());

                for (int i = columns.size(); --i >= 0;)
                {
                    const int currentIndex = getIndexOfColumnId (columnIdBeingDragged, true);
                    int newIndex = currentIndex;

                    if (newIndex > 0)
                    {
                        // if the previous column isn't draggable, we can't move our column
                        // past it, because that'd change the undraggable column's position..
                        auto* previous = columns.getUnchecked (newIndex - 1);

                        if ((previous->propertyFlags & draggable) != 0)
                        {
                            auto leftOfPrevious = getColumnPosition (newIndex - 1).getX();
                            auto rightOfCurrent = getColumnPosition (newIndex).getRight();

                            if (std::abs (dragOverlayComp->getX() - leftOfPrevious)
                                 < std::abs (dragOverlayComp->getRight() - rightOfCurrent))
                            {
                                --newIndex;
                            }
                        }
                    }

                    if (newIndex < columns.size() - 1)
                    {
                        // if the next column isn't draggable, we can't move our column
                        // past it, because that'd change the undraggable column's position..
                        auto* nextCol = columns.getUnchecked (newIndex + 1);

                        if ((nextCol->propertyFlags & draggable) != 0)
                        {
                            auto leftOfCurrent = getColumnPosition (newIndex).getX();
                            auto rightOfNext = getColumnPosition (newIndex + 1).getRight();

                            if (std::abs (dragOverlayComp->getX() - leftOfCurrent)
                                 > std::abs (dragOverlayComp->getRight() - rightOfNext))
                            {
                                ++newIndex;
                            }
                        }
                    }

                    if (newIndex != currentIndex)
                        moveColumn (columnIdBeingDragged, newIndex);
                    else
                        break;
                }
            }
        }
        else
        {
            endDrag (draggingColumnOriginalIndex);
        }
    }
}

void TableHeaderComponent::beginDrag (const MouseEvent& e)
{
    if (columnIdBeingDragged == 0)
    {
        columnIdBeingDragged = getColumnIdAtX (e.getMouseDownX());

        auto* ci = getInfoForId (columnIdBeingDragged);

        if (ci == nullptr || (ci->propertyFlags & draggable) == 0)
        {
            columnIdBeingDragged = 0;
        }
        else
        {
            draggingColumnOriginalIndex = getIndexOfColumnId (columnIdBeingDragged, true);

            auto columnRect = getColumnPosition (draggingColumnOriginalIndex);
            auto temp = columnIdBeingDragged;
            columnIdBeingDragged = 0;

            dragOverlayComp.reset (new DragOverlayComp (createComponentSnapshot (columnRect, false, 2.0f)));
            addAndMakeVisible (dragOverlayComp.get());
            columnIdBeingDragged = temp;

            dragOverlayComp->setBounds (columnRect);

            for (int i = listeners.size(); --i >= 0;)
            {
                listeners.getUnchecked (i)->tableColumnDraggingChanged (this, columnIdBeingDragged);
                i = jmin (i, listeners.size() - 1);
            }
        }
    }
}

void TableHeaderComponent::endDrag (const int finalIndex)
{
    if (columnIdBeingDragged != 0)
    {
        moveColumn (columnIdBeingDragged, finalIndex);

        columnIdBeingDragged = 0;
        resized();
        repaint();

        for (int i = listeners.size(); --i >= 0;)
        {
            listeners.getUnchecked (i)->tableColumnDraggingChanged (this, 0);
            i = jmin (i, listeners.size() - 1);
        }
    }
}

void TableHeaderComponent::mouseUp (const MouseEvent& e)
{
    mouseDrag (e);

    for (auto* c : columns)
        if (c->isVisible())
            c->lastDeliberateWidth = c->width;

    columnIdBeingResized = 0;
    resized();
    repaint();

    endDrag (getIndexOfColumnId (columnIdBeingDragged, true));

    updateColumnUnderMouse (e);

    if (columnIdUnderMouse != 0 && ! (e.mouseWasDraggedSinceMouseDown() || e.mods.isPopupMenu()))
        columnClicked (columnIdUnderMouse, e.mods);

    dragOverlayComp.reset();
}

MouseCursor TableHeaderComponent::getMouseCursor()
{
    if (columnIdBeingResized != 0 || (getResizeDraggerAt (getMouseXYRelative().getX()) != 0 && ! isMouseButtonDown()))
        return MouseCursor (MouseCursor::LeftRightResizeCursor);

    return Component::getMouseCursor();
}

//==============================================================================

TableHeaderComponent::ColumnInfo* TableHeaderComponent::getInfoForId (int id) const
{
    for (auto* c : columns)
        if (c->id == id)
            return c;

    return nullptr;
}

int TableHeaderComponent::visibleIndexToTotalIndex (const int visibleIndex) const
{
    int n = 0;

    for (int i = 0; i < columns.size(); ++i)
    {
        if (columns.getUnchecked (i)->isVisible())
        {
            if (n == visibleIndex)
                return i;

            ++n;
        }
    }

    return -1;
}

void TableHeaderComponent::sendColumnsChanged()
{
    if (stretchToFit && lastDeliberateWidth > 0)
        resizeAllColumnsToFit (lastDeliberateWidth);

    resized();
    repaint();
    columnsChanged = true;
    triggerAsyncUpdate();
}

void TableHeaderComponent::handleAsyncUpdate()
{
    const bool changed = columnsChanged || sortChanged;
    const bool sized = columnsResized || changed;
    const bool sorted = sortChanged;
    columnsChanged = false;
    columnsResized = false;
    sortChanged = false;

    if (sorted)
    {
        for (int i = listeners.size(); --i >= 0;)
        {
            listeners.getUnchecked (i)->tableSortOrderChanged (this);
            i = jmin (i, listeners.size() - 1);
        }
    }

    if (changed)
    {
        for (int i = listeners.size(); --i >= 0;)
        {
            listeners.getUnchecked (i)->tableColumnsChanged (this);
            i = jmin (i, listeners.size() - 1);
        }
    }

    if (sized)
    {
        for (int i = listeners.size(); --i >= 0;)
        {
            listeners.getUnchecked (i)->tableColumnsResized (this);
            i = jmin (i, listeners.size() - 1);
        }
    }
}

int TableHeaderComponent::getResizeDraggerAt (const int mouseX) const
{
    if (isPositiveAndBelow (mouseX, getWidth()))
    {
        const int draggableDistance = 3;
        int x = 0;

        for (auto* ci : columns)
        {
            if (ci->isVisible())
            {
                if (std::abs (mouseX - (x + ci->width)) <= draggableDistance
                     && (ci->propertyFlags & resizable) != 0)
                    return ci->id;

                x += ci->width;
            }
        }
    }

    return 0;
}

void TableHeaderComponent::setColumnUnderMouse (const int newCol)
{
    if (newCol != columnIdUnderMouse)
    {
        columnIdUnderMouse = newCol;
        repaint();
    }
}

void TableHeaderComponent::updateColumnUnderMouse (const MouseEvent& e)
{
    setColumnUnderMouse (reallyContains (e.getPosition(), true) && getResizeDraggerAt (e.x) == 0
                            ? getColumnIdAtX (e.x) : 0);
}

static void tableHeaderMenuCallback (int result, TableHeaderComponent* tableHeader, int columnIdClicked)
{
    if (tableHeader != nullptr && result != 0)
        tableHeader->reactToMenuItem (result, columnIdClicked);
}

void TableHeaderComponent::showColumnChooserMenu (const int columnIdClicked)
{
    PopupMenu m;
    addMenuItems (m, columnIdClicked);

    if (m.getNumItems() > 0)
    {
        m.setLookAndFeel (&getLookAndFeel());

        m.showMenuAsync (PopupMenu::Options(),
                         ModalCallbackFunction::forComponent (tableHeaderMenuCallback, this, columnIdClicked));
    }
}

void TableHeaderComponent::Listener::tableColumnDraggingChanged (TableHeaderComponent*, int)
{
}

//==============================================================================
std::unique_ptr<AccessibilityHandler> TableHeaderComponent::createAccessibilityHandler()
{
    return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::tableHeader);
}

std::unique_ptr<AccessibilityHandler> TableHeaderComponent::ColumnInfo::createAccessibilityHandler()
{
    return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::tableHeader);
}

} // namespace juce
