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path: root/indra/newview/llinventorylistitem.cpp
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/**
 * @file llinventorylistitem.cpp
 * @brief Inventory list item panel.
 *
 * Class LLPanelInventoryListItemBase displays inventory item as an element
 * of LLInventoryItemsList.
 *
 * $LicenseInfo:firstyear=2010&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llinventorylistitem.h"

// llui
#include "lliconctrl.h"
#include "lltextbox.h"
#include "lltextutil.h"

// newview
#include "llinventoryicon.h"
#include "llinventorymodel.h"
#include "llviewerinventory.h"

static LLWidgetNameRegistry::StaticRegistrar sRegisterPanelInventoryListItemBaseParams(&typeid(LLPanelInventoryListItemBase::Params), "inventory_list_item");

static const S32 WIDGET_SPACING = 3;

LLPanelInventoryListItemBase::Params::Params()
:   default_style("default_style"),
    worn_style("worn_style"),
    hover_image("hover_image"),
    selected_image("selected_image"),
    separator_image("separator_image"),
    item_icon("item_icon"),
    item_name("item_name")
{};

LLPanelInventoryListItemBase* LLPanelInventoryListItemBase::create(LLViewerInventoryItem* item)
{
    LLPanelInventoryListItemBase* list_item = NULL;
    if (item)
    {
        const LLPanelInventoryListItemBase::Params& params = LLUICtrlFactory::getDefaultParams<LLPanelInventoryListItemBase>();
        list_item = new LLPanelInventoryListItemBase(item, params);
        list_item->initFromParams(params);
        list_item->postBuild();
    }
    return list_item;
}

void LLPanelInventoryListItemBase::draw()
{
    if (getNeedsRefresh())
    {
        LLViewerInventoryItem* inv_item = getItem();
        if (inv_item)
        {
            updateItem(inv_item->getName());
        }
        setNeedsRefresh(false);
    }

    if (mHovered && mHoverImage)
    {
        mHoverImage->draw(getLocalRect());
    }

    if (mSelected && mSelectedImage)
    {
        mSelectedImage->draw(getLocalRect());
    }

    if (mSeparatorVisible && mSeparatorImage)
    {
        // place under bottom of listitem, using image height
        // item_pad in list using the item should be >= image height
        // to avoid cropping of top of the next item.
        LLRect separator_rect = getLocalRect();
        separator_rect.mTop = separator_rect.mBottom;
        separator_rect.mBottom -= mSeparatorImage->getHeight();
        F32 alpha = getCurrentTransparency();
        mSeparatorImage->draw(separator_rect, UI_VERTEX_COLOR % alpha);
    }

    LLPanel::draw();
}

// virtual
void LLPanelInventoryListItemBase::updateItem(const std::string& name,
                                              EItemState item_state)
{
    setIconImage(mIconImage);
    setTitle(name, mHighlightedText, item_state);
}

void LLPanelInventoryListItemBase::addWidgetToLeftSide(const std::string& name, bool show_widget/* = true*/)
{
    LLUICtrl* ctrl = findChild<LLUICtrl>(name);
    if(ctrl)
    {
        addWidgetToLeftSide(ctrl, show_widget);
    }
}

void LLPanelInventoryListItemBase::addWidgetToLeftSide(LLUICtrl* ctrl, bool show_widget/* = true*/)
{
    mLeftSideWidgets.push_back(ctrl);
    setShowWidget(ctrl, show_widget);
}

void LLPanelInventoryListItemBase::addWidgetToRightSide(const std::string& name, bool show_widget/* = true*/)
{
    LLUICtrl* ctrl = findChild<LLUICtrl>(name);
    if(ctrl)
    {
        addWidgetToRightSide(ctrl, show_widget);
    }
}

void LLPanelInventoryListItemBase::addWidgetToRightSide(LLUICtrl* ctrl, bool show_widget/* = true*/)
{
    mRightSideWidgets.push_back(ctrl);
    setShowWidget(ctrl, show_widget);
}

void LLPanelInventoryListItemBase::setShowWidget(const std::string& name, bool show)
{
    LLUICtrl* widget = findChild<LLUICtrl>(name);
    if(widget)
    {
        setShowWidget(widget, show);
    }
}

void LLPanelInventoryListItemBase::setShowWidget(LLUICtrl* ctrl, bool show)
{
    // Enable state determines whether widget may become visible in setWidgetsVisible()
    ctrl->setEnabled(show);
}

BOOL LLPanelInventoryListItemBase::postBuild()
{
    LLViewerInventoryItem* inv_item = getItem();
    if (inv_item)
    {
        mIconImage = LLInventoryIcon::getIcon(inv_item->getType(), inv_item->getInventoryType(), inv_item->getFlags(), FALSE);
        updateItem(inv_item->getName());
    }

    setNeedsRefresh(true);

    setWidgetsVisible(false);
    reshapeWidgets();

    return TRUE;
}

void LLPanelInventoryListItemBase::setValue(const LLSD& value)
{
    if (!value.isMap()) return;
    if (!value.has("selected")) return;
    mSelected = value["selected"];
}

BOOL LLPanelInventoryListItemBase::handleHover(S32 x, S32 y, MASK mask)
{
    mHovered = true;
    return LLPanel::handleHover(x, y, mask);
}

void LLPanelInventoryListItemBase::onMouseLeave(S32 x, S32 y, MASK mask)
{
    mHovered = false;
    LLPanel::onMouseLeave(x, y, mask);
}

const std::string& LLPanelInventoryListItemBase::getItemName() const
{
    LLViewerInventoryItem* inv_item = getItem();
    if (NULL == inv_item)
    {
        return LLStringUtil::null;
    }
    return inv_item->getName();
}

LLAssetType::EType LLPanelInventoryListItemBase::getType() const
{
    LLViewerInventoryItem* inv_item = getItem();
    if (NULL == inv_item)
    {
        return LLAssetType::AT_NONE;
    }
    return inv_item->getType();
}

LLWearableType::EType LLPanelInventoryListItemBase::getWearableType() const
{
    LLViewerInventoryItem* inv_item = getItem();
    if (NULL == inv_item)
    {
        return LLWearableType::WT_NONE;
    }
    return inv_item->getWearableType();
}

const std::string& LLPanelInventoryListItemBase::getDescription() const
{
    LLViewerInventoryItem* inv_item = getItem();
    if (NULL == inv_item)
    {
        return LLStringUtil::null;
    }
    return inv_item->getActualDescription();
}

time_t LLPanelInventoryListItemBase::getCreationDate() const
{
    LLViewerInventoryItem* inv_item = getItem();
    if (NULL == inv_item)
    {
        return 0;
    }

    return inv_item->getCreationDate();
}

LLViewerInventoryItem* LLPanelInventoryListItemBase::getItem() const
{
    return gInventory.getItem(mInventoryItemUUID);
}

S32 LLPanelInventoryListItemBase::notify(const LLSD& info)
{
    S32 rv = 0;
    if(info.has("match_filter"))
    {
        mHighlightedText = info["match_filter"].asString();

        std::string test(mTitleCtrl->getText());
        LLStringUtil::toUpper(test);

        if(mHighlightedText.empty() || std::string::npos != test.find(mHighlightedText))
        {
            rv = 0; // substring is found
        }
        else
        {
            rv = -1;
        }

        setNeedsRefresh(true);
    }
    else
    {
        rv = LLPanel::notify(info);
    }
    return rv;
}

LLPanelInventoryListItemBase::LLPanelInventoryListItemBase(LLViewerInventoryItem* item, const LLPanelInventoryListItemBase::Params& params)
:   LLPanel(params),
    mInventoryItemUUID(item ? item->getUUID() : LLUUID::null),
    mIconCtrl(NULL),
    mTitleCtrl(NULL),
    mWidgetSpacing(WIDGET_SPACING),
    mLeftWidgetsWidth(0),
    mRightWidgetsWidth(0),
    mNeedsRefresh(false),
    mHovered(false),
    mSelected(false),
    mSeparatorVisible(false),
    mHoverImage(params.hover_image),
    mSelectedImage(params.selected_image),
    mSeparatorImage(params.separator_image)
{
    LLIconCtrl::Params icon_params(params.item_icon);
    applyXUILayout(icon_params, this);

    mIconCtrl = LLUICtrlFactory::create<LLIconCtrl>(icon_params);
    if (!mIconCtrl)
    {
        LLIconCtrl::Params icon_params;
        icon_params.name = "item_icon";
        mIconCtrl = LLUICtrlFactory::create<LLIconCtrl>(icon_params);
    }

    if (mIconCtrl)
    {
        addChild(mIconCtrl);
    }
    else
    {
        LL_ERRS() << "Failed to create mIconCtrl" << LL_ENDL;
    }

    LLTextBox::Params text_params(params.item_name);
    applyXUILayout(text_params, this);

    mTitleCtrl = LLUICtrlFactory::create<LLTextBox>(text_params);
    if (!mTitleCtrl)
    {
        LLTextBox::Params text_params;
        text_params.name = "item_title";
        mTitleCtrl = LLUICtrlFactory::create<LLTextBox>(text_params);
    }

    if (mTitleCtrl)
    {
        addChild(mTitleCtrl);
    }
    else
    {
        LL_ERRS() << "Failed to create mTitleCtrl" << LL_ENDL;
    }
}

class WidgetVisibilityChanger
{
public:
    WidgetVisibilityChanger(bool visible) : mVisible(visible){}
    void operator()(LLUICtrl* widget)
    {
        // Disabled widgets never become visible. see LLPanelInventoryListItemBase::setShowWidget()
        widget->setVisible(mVisible && widget->getEnabled());
    }
private:
    bool mVisible;
};

void LLPanelInventoryListItemBase::setWidgetsVisible(bool visible)
{
    std::for_each(mLeftSideWidgets.begin(), mLeftSideWidgets.end(), WidgetVisibilityChanger(visible));
    std::for_each(mRightSideWidgets.begin(), mRightSideWidgets.end(), WidgetVisibilityChanger(visible));
}

void LLPanelInventoryListItemBase::reshapeWidgets()
{
    // disabled reshape left for now to reserve space for 'delete' button in LLPanelClothingListItem
    /*reshapeLeftWidgets();*/
    reshapeRightWidgets();
    reshapeMiddleWidgets();
}

void LLPanelInventoryListItemBase::setIconImage(const LLUIImagePtr& image)
{
    if(image)
    {
        mIconImage = image;
        mIconCtrl->setImage(mIconImage);
    }
}

void LLPanelInventoryListItemBase::setTitle(const std::string& title,
                                            const std::string& highlit_text,
                                            EItemState item_state)
{
    mTitleCtrl->setToolTip(title);

    LLStyle::Params style_params;

    const LLPanelInventoryListItemBase::Params& params = LLUICtrlFactory::getDefaultParams<LLPanelInventoryListItemBase>();

    switch(item_state)
    {
    case IS_DEFAULT:
        style_params = params.default_style();
        break;
    case IS_WORN:
        style_params = params.worn_style();
        break;
    default:;
    }

    LLTextUtil::textboxSetHighlightedVal(
        mTitleCtrl,
        style_params,
        title,
        highlit_text);
}

BOOL LLPanelInventoryListItemBase::handleToolTip( S32 x, S32 y, MASK mask)
{
    LLRect text_box_rect = mTitleCtrl->getRect();
    if (text_box_rect.pointInRect(x, y) &&
        mTitleCtrl->getTextPixelWidth() <= text_box_rect.getWidth())
    {
        return FALSE;
    }
    return LLPanel::handleToolTip(x, y, mask);
}

void LLPanelInventoryListItemBase::reshapeLeftWidgets()
{
    S32 widget_left = 0;
    mLeftWidgetsWidth = 0;

    widget_array_t::const_iterator it = mLeftSideWidgets.begin();
    const widget_array_t::const_iterator it_end = mLeftSideWidgets.end();
    for( ; it_end != it; ++it)
    {
        LLUICtrl* widget = *it;
        if(!widget->getVisible())
        {
            continue;
        }
        LLRect widget_rect(widget->getRect());
        widget_rect.setLeftTopAndSize(widget_left, widget_rect.mTop, widget_rect.getWidth(), widget_rect.getHeight());
        widget->setShape(widget_rect);

        widget_left += widget_rect.getWidth() + getWidgetSpacing();
        mLeftWidgetsWidth = widget_rect.mRight;
    }
}

void LLPanelInventoryListItemBase::reshapeRightWidgets()
{
    S32 widget_right = getLocalRect().getWidth();
    S32 widget_left = widget_right;

    widget_array_t::const_reverse_iterator it = mRightSideWidgets.rbegin();
    const widget_array_t::const_reverse_iterator it_end = mRightSideWidgets.rend();
    for( ; it_end != it; ++it)
    {
        LLUICtrl* widget = *it;
        if(!widget->getVisible())
        {
            continue;
        }
        LLRect widget_rect(widget->getRect());
        widget_left = widget_right - widget_rect.getWidth();
        widget_rect.setLeftTopAndSize(widget_left, widget_rect.mTop, widget_rect.getWidth(), widget_rect.getHeight());
        widget->setShape(widget_rect);

        widget_right = widget_left - getWidgetSpacing();
    }
    mRightWidgetsWidth = getLocalRect().getWidth() - widget_left;
}

void LLPanelInventoryListItemBase::reshapeMiddleWidgets()
{
    LLRect icon_rect(mIconCtrl->getRect());
    icon_rect.setLeftTopAndSize(mLeftWidgetsWidth + getWidgetSpacing(), icon_rect.mTop,
        icon_rect.getWidth(), icon_rect.getHeight());
    mIconCtrl->setShape(icon_rect);

    S32 name_left = icon_rect.mRight + getWidgetSpacing();
    S32 name_right = getLocalRect().getWidth() - mRightWidgetsWidth - getWidgetSpacing();
    LLRect name_rect(mTitleCtrl->getRect());
    name_rect.set(name_left, name_rect.mTop, name_right, name_rect.mBottom);
    mTitleCtrl->setShape(name_rect);
}

// EOF