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+/**
+ * @file llwearableitemslist.h
+ * @brief A flat list of wearable items.
+ *
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWEARABLEITEMSLIST_H
+#define LL_LLWEARABLEITEMSLIST_H
+
+// libs
+#include "llpanel.h"
+#include "llsingleton.h"
+
+// newview
+#include "llinventoryitemslist.h"
+#include "llinventorymodel.h"
+#include "lllistcontextmenu.h"
+#include "llwearabletype.h"
+
+/**
+ * @class LLPanelWearableListItem
+ *
+ * Extends LLPanelInventoryListItemBase:
+ * - makes side widgets show on mouse_enter and hide on 
+ *   mouse_leave events.
+ * - provides callback for button clicks
+ */
+class LLPanelWearableListItem : public LLPanelInventoryListItemBase
+{
+	LOG_CLASS(LLPanelWearableListItem);
+public:
+
+	/**
+	 * Shows buttons when mouse is over
+	 */
+	/*virtual*/ void onMouseEnter(S32 x, S32 y, MASK mask);
+
+	/**
+	 * Hides buttons when mouse is out
+	 */
+	/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask);
+
+protected:
+
+	LLPanelWearableListItem(LLViewerInventoryItem* item);
+};
+
+/**
+ * @class LLPanelWearableOutfitItem
+ *
+ * Outfit item for "My Outfits" list.
+ * Extends LLPanelInventoryListItemBase with handling
+ * double click to wear the item.
+ */
+class LLPanelWearableOutfitItem : public LLPanelInventoryListItemBase
+{
+	LOG_CLASS(LLPanelWearableOutfitItem);
+public:
+	static LLPanelWearableOutfitItem* create(LLViewerInventoryItem* item);
+
+	/**
+	 * Puts item on if it is not worn by agent
+	 * otherwise takes it off on double click.
+	 */
+	/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
+
+	/**
+	 * Updates item name and (worn) suffix.
+	 */
+	/*virtual*/ void updateItem(const std::string& name);
+
+protected:
+
+	LLPanelWearableOutfitItem(LLViewerInventoryItem* item);
+};
+
+class LLPanelDeletableWearableListItem : public LLPanelWearableListItem
+{
+	LOG_CLASS(LLPanelDeletableWearableListItem);
+public:
+
+	static LLPanelDeletableWearableListItem* create(LLViewerInventoryItem* item);
+
+	virtual ~LLPanelDeletableWearableListItem() {};
+
+	/*virtual*/ BOOL postBuild();
+
+	/**
+	 * Make button visible during mouse over event.
+	 */
+	inline void setShowDeleteButton(bool show) { setShowWidget("btn_delete", show); }
+
+protected:
+	LLPanelDeletableWearableListItem(LLViewerInventoryItem* item);
+
+	/*virtual*/ void init();
+};
+
+/** Outfit list item for an attachment */
+class LLPanelAttachmentListItem : public LLPanelDeletableWearableListItem
+{
+	LOG_CLASS(LLPanelAttachmentListItem);
+public:
+	static LLPanelAttachmentListItem* create(LLViewerInventoryItem* item);
+	virtual ~LLPanelAttachmentListItem() {};
+
+	/** Set item title. Joint name is added to the title in parenthesis */
+	/*virtual*/ void setTitle(const std::string& title, const std::string& highlit_text);
+
+protected:
+	LLPanelAttachmentListItem(LLViewerInventoryItem* item) : LLPanelDeletableWearableListItem(item) {};
+};
+
+/**
+ * @class LLPanelClothingListItem
+ *
+ * Provides buttons for editing, moving, deleting a wearable.
+ */
+class LLPanelClothingListItem : public LLPanelDeletableWearableListItem
+{
+	LOG_CLASS(LLPanelClothingListItem);
+public:
+
+	static LLPanelClothingListItem* create(LLViewerInventoryItem* item);
+
+	virtual ~LLPanelClothingListItem();
+
+	/*virtual*/ BOOL postBuild();
+
+	/**
+	 * Make button visible during mouse over event.
+	 */
+	inline void setShowMoveUpButton(bool show) { setShowWidget("btn_move_up", show); }
+
+	inline void setShowMoveDownButton(bool show) { setShowWidget("btn_move_down", show); }
+	inline void setShowLockButton(bool show) { setShowWidget("btn_lock", show); }
+	inline void setShowEditButton(bool show) { setShowWidget("btn_edit_panel", show); }
+
+
+protected:
+
+	LLPanelClothingListItem(LLViewerInventoryItem* item);
+	
+	/*virtual*/ void init();
+};
+
+class LLPanelBodyPartsListItem : public LLPanelWearableListItem
+{
+	LOG_CLASS(LLPanelBodyPartsListItem);
+public:
+
+	static LLPanelBodyPartsListItem* create(LLViewerInventoryItem* item);
+
+	virtual ~LLPanelBodyPartsListItem();
+
+	/*virtual*/ BOOL postBuild();
+
+	/**
+	* Make button visible during mouse over event.
+	*/
+	inline void setShowLockButton(bool show) { setShowWidget("btn_lock", show); }
+	inline void setShowEditButton(bool show) { setShowWidget("btn_edit_panel", show); }
+
+protected:
+	LLPanelBodyPartsListItem(LLViewerInventoryItem* item);
+
+	/*virtual*/ void init();
+};
+
+
+/**
+ * @class LLPanelDummyClothingListItem
+ *
+ * A dummy item panel - displays grayed clothing icon, grayed title '<clothing> not worn' and 'add' button
+ */
+class LLPanelDummyClothingListItem : public LLPanelWearableListItem
+{
+public:
+	static LLPanelDummyClothingListItem* create(LLWearableType::EType w_type);
+
+	/*virtual*/ BOOL postBuild();
+	LLWearableType::EType getWearableType() const;
+
+protected:
+	LLPanelDummyClothingListItem(LLWearableType::EType w_type);
+
+	/*virtual*/ void init();
+
+	static std::string wearableTypeToString(LLWearableType::EType w_type);
+
+private:
+	LLWearableType::EType mWearableType;
+};
+
+/**
+ * @class LLWearableListItemComparator
+ *
+ * Abstract comparator of wearable list items.
+ */
+class LLWearableListItemComparator : public LLFlatListView::ItemComparator
+{
+	LOG_CLASS(LLWearableListItemComparator);
+
+public:
+	LLWearableListItemComparator() {};
+	virtual ~LLWearableListItemComparator() {};
+
+	virtual bool compare(const LLPanel* item1, const LLPanel* item2) const
+	{
+		const LLPanelInventoryListItemBase* wearable_item1 = dynamic_cast<const LLPanelInventoryListItemBase*>(item1);
+		const LLPanelInventoryListItemBase* wearable_item2 = dynamic_cast<const LLPanelInventoryListItemBase*>(item2);
+
+		if (!wearable_item1 || !wearable_item2)
+		{
+			llwarning("item1 and item2 cannot be null", 0);
+			return true;
+		}
+
+		return doCompare(wearable_item1, wearable_item2);
+	}
+
+protected:
+
+	/**
+	 * Returns true if wearable_item1 < wearable_item2, false otherwise
+	 * Implement this method in your particular comparator.
+	 */
+	virtual bool doCompare(const LLPanelInventoryListItemBase* wearable_item1, const LLPanelInventoryListItemBase* wearable_item2) const = 0;
+};
+
+/**
+ * @class LLWearableItemNameComparator
+ *
+ * Comparator for sorting wearable list items by name.
+ */
+class LLWearableItemNameComparator : public LLWearableListItemComparator
+{
+	LOG_CLASS(LLWearableItemNameComparator);
+
+public:
+	LLWearableItemNameComparator() {};
+	virtual ~LLWearableItemNameComparator() {};
+
+protected:
+	/*virtual*/ bool doCompare(const LLPanelInventoryListItemBase* wearable_item1, const LLPanelInventoryListItemBase* wearable_item2) const;
+};
+
+/**
+ * @class LLWearableItemTypeNameComparator
+ *
+ * Comparator for sorting wearable list items by type and name.
+ */
+class LLWearableItemTypeNameComparator : public LLWearableItemNameComparator
+{
+	LOG_CLASS(LLWearableItemTypeNameComparator);
+
+public:
+	LLWearableItemTypeNameComparator() {};
+	virtual ~LLWearableItemTypeNameComparator() {};
+
+protected:
+	/**
+	 * Returns "true" if wearable_item1 is placed before wearable_item2 sorted by the following:
+	 *   - Attachments (abc order)
+	 *   - Clothing
+	 *         - by type (types order determined in LLWearableType::EType)
+	 *         - outer layer on top
+	 *   - Body Parts (abc order),
+	 * "false" otherwise.
+	 */
+	/*virtual*/ bool doCompare(const LLPanelInventoryListItemBase* wearable_item1, const LLPanelInventoryListItemBase* wearable_item2) const;
+
+private:
+	enum ETypeListOrder
+	{
+		TLO_ATTACHMENT	= 0x01,
+		TLO_CLOTHING	= 0x02,
+		TLO_BODYPART	= 0x04,
+		TLO_UNKNOWN		= 0x08,
+
+		TLO_NOT_CLOTHING = TLO_ATTACHMENT | TLO_BODYPART | TLO_UNKNOWN
+	};
+
+	static LLWearableItemTypeNameComparator::ETypeListOrder getTypeListOrder(LLAssetType::EType item_type);
+};
+
+/**
+ * @class LLWearableItemsList
+ *
+ * A flat list of wearable inventory items.
+ * Collects all items that can be a part of an outfit from
+ * an inventory category specified by UUID and displays them
+ * as a flat list.
+ */
+class LLWearableItemsList : public LLInventoryItemsList
+{
+public:
+	/**
+	 * Context menu.
+	 * 
+	 * This menu is likely to be used from outside
+	 * (e.g. for items selected across multiple wearable lists),
+	 * so making it a singleton.
+	 */
+	class ContextMenu : public LLListContextMenu, public LLSingleton<ContextMenu>
+	{
+	public:
+		ContextMenu();
+		/*virtual*/ void show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y);
+
+	protected:
+		enum {
+			MASK_CLOTHING		= 0x01,
+			MASK_BODYPART		= 0x02,
+			MASK_ATTACHMENT		= 0x04,
+			MASK_UNKNOWN		= 0x08,
+		};
+
+		/* virtual */ LLContextMenu* createMenu();
+		void updateItemsVisibility(LLContextMenu* menu);
+		void updateItemsLabels(LLContextMenu* menu);
+		static void setMenuItemVisible(LLContextMenu* menu, const std::string& name, bool val);
+		static void setMenuItemEnabled(LLContextMenu* menu, const std::string& name, bool val);
+		static void updateMask(U32& mask, LLAssetType::EType at);
+		static void createNewWearable(const LLUUID& item_id);
+
+		LLWearableItemsList*	mParent;
+	};
+
+	struct Params : public LLInitParam::Block<Params, LLInventoryItemsList::Params>
+	{
+		Optional<bool> standalone;
+
+		Params();
+	};
+
+	virtual ~LLWearableItemsList();
+
+	/*virtual*/ void addNewItem(LLViewerInventoryItem* item, bool rearrange = true);
+
+	void updateList(const LLUUID& category_id);
+
+	/**
+	 * Update items that match UUIDs from changed_items_uuids
+	 * or links that point at such items.
+	 */
+	void updateChangedItems(const LLInventoryModel::changed_items_t& changed_items_uuids);
+
+	bool isStandalone() const { return mIsStandalone; }
+
+protected:
+	friend class LLUICtrlFactory;
+	LLWearableItemsList(const LLWearableItemsList::Params& p);
+
+	void onRightClick(S32 x, S32 y);
+
+	bool mIsStandalone;
+};
+
+#endif //LL_LLWEARABLEITEMSLIST_H