From 3216d6caf93ebdb24bee3d9a859ea9e562d8ff4d Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 15 May 2013 19:00:10 +0300
Subject: add item option what can prevent sell item to npc without
 confirmation.

---
 src/gui/selldialog.cpp     | 22 +++++++++++++++++++---
 src/resources/itemdb.cpp   |  3 +++
 src/resources/iteminfo.cpp |  3 ++-
 src/resources/iteminfo.h   |  7 +++++++
 4 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/src/gui/selldialog.cpp b/src/gui/selldialog.cpp
index 5963d8dff..82d79104a 100644
--- a/src/gui/selldialog.cpp
+++ b/src/gui/selldialog.cpp
@@ -25,6 +25,7 @@
 #include "shopitem.h"
 #include "units.h"
 
+#include "gui/confirmdialog.h"
 #include "gui/setup.h"
 #include "gui/tradewindow.h"
 
@@ -99,7 +100,7 @@ void SellDialog::init()
     // TRANSLATORS: sell dialog button
     mDecreaseButton = new Button(this, _("-"), "dec", this);
     // TRANSLATORS: sell dialog button
-    mSellButton = new Button(this, _("Sell"), "sell", this);
+    mSellButton = new Button(this, _("Sell"), "presell", this);
     // TRANSLATORS: sell dialog button
     mQuitButton = new Button(this, _("Quit"), "quit", this);
     // TRANSLATORS: sell dialog button
@@ -226,11 +227,26 @@ void SellDialog::action(const gcn::ActionEvent &event)
         mSlider->setValue(mAmountItems);
         updateButtonsAndLabels();
     }
-    else if (eventId == "sell" && mAmountItems > 0
-             && mAmountItems <= mMaxItems)
+    else if ((eventId == "presell" || eventId == "sell" || eventId == "yes")
+             && mAmountItems > 0 && mAmountItems <= mMaxItems)
     {
         if (mNpcId != -1)
         {
+            if (eventId == "presell")
+            {
+                ShopItem *const item = mShopItems->at(selectedItem);
+                const ItemInfo &info = ItemDB::get(item->getId());
+                if (info.isProtected())
+                {
+                    // TRANSLATORS: sell confirmation header
+                    ConfirmDialog *dialog = new ConfirmDialog(_("sell item"),
+                        // TRANSLATORS: sell confirmation message
+                        strprintf(_("Do you really want to sell %s?"),
+                        info.getName().c_str()), false, true);
+                    dialog->addActionListener(this);
+                    return;
+                }
+            }
             // Attempt sell
             ShopItem *const item = mShopItems->at(selectedItem);
             mPlayerMoney +=
diff --git a/src/resources/itemdb.cpp b/src/resources/itemdb.cpp
index 346ddb9de..b4ae544ba 100644
--- a/src/resources/itemdb.cpp
+++ b/src/resources/itemdb.cpp
@@ -269,6 +269,9 @@ void ItemDB::load()
         itemInfo->setType(itemTypeFromString(typeStr));
         itemInfo->addTag(mTags["All"]);
         itemInfo->setPet(pet);
+        itemInfo->setProtected(XML::getBoolProperty(
+            node, "sellProtected", false));
+
         switch (itemInfo->getType())
         {
             case ITEM_USABLE:
diff --git a/src/resources/iteminfo.cpp b/src/resources/iteminfo.cpp
index 3a2b3e836..e9a550cda 100644
--- a/src/resources/iteminfo.cpp
+++ b/src/resources/iteminfo.cpp
@@ -61,7 +61,8 @@ ItemInfo::ItemInfo() :
     mMissEffectId(-1),
     maxFloorOffset(32),
     mPickupCursor(Cursor::CURSOR_POINTER),
-    mPet(0)
+    mPet(0),
+    mProtected(false)
 {
     for (int f = 0; f < 10; f ++)
     {
diff --git a/src/resources/iteminfo.h b/src/resources/iteminfo.h
index 64855bc0a..c1c9f9d27 100644
--- a/src/resources/iteminfo.h
+++ b/src/resources/iteminfo.h
@@ -286,6 +286,12 @@ class ItemInfo final
         Cursor::Cursor getPickupCursor() const A_WARN_UNUSED
         { return mPickupCursor; }
 
+        void setProtected(bool b)
+        { mProtected = b; }
+
+        bool isProtected() const
+        { return mProtected; }
+
         int mDrawBefore[10];
         int mDrawAfter[10];
         int mDrawPriority[10];
@@ -331,6 +337,7 @@ class ItemInfo final
         int maxFloorOffset;
         Cursor::Cursor mPickupCursor;
         int mPet;
+        bool mProtected;
 };
 
 #endif
-- 
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