/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

#include "precompiled_sd.hxx"

#include "AllMasterPagesSelector.hxx"
#include "PreviewValueSet.hxx"
#include "ViewShellBase.hxx"
#include "SidebarShellManager.hxx"
#include "MasterPageContainer.hxx"
#include "MasterPageDescriptor.hxx"
#include "app.hrc"
#include "helpids.h"

#include <tools/link.hxx>
#include <set>

namespace {

using namespace sd::sidebar;

int GetURLPriority (const SharedMasterPageDescriptor& rpDescriptor)
{
    int nPriority (0);
    switch (rpDescriptor->GetURLClassification())
    {
        case MasterPageDescriptor::URLCLASS_USER:         nPriority = 0; break;
        case MasterPageDescriptor::URLCLASS_LAYOUT:       nPriority = 1; break;
        case MasterPageDescriptor::URLCLASS_PRESENTATION: nPriority = 2; break;
        case MasterPageDescriptor::URLCLASS_OTHER:        nPriority = 3; break;
        case MasterPageDescriptor::URLCLASS_UNKNOWN:      nPriority = 4; break;
        default:
        case MasterPageDescriptor::URLCLASS_UNDETERMINED: nPriority = 5; break;
    }
    return nPriority;
}


class MasterPageDescriptorOrder
{
public:
    bool operator() (
        const SharedMasterPageDescriptor& rp1,
        const SharedMasterPageDescriptor& rp2)
    {
        if (rp1->meOrigin == MasterPageContainer::DEFAULT)
            return true;
        else if (rp2->meOrigin == MasterPageContainer::DEFAULT)
            return false;
        else if (rp1->GetURLClassification() == rp2->GetURLClassification())
            return rp1->mnTemplateIndex < rp2->mnTemplateIndex;
        else
            return GetURLPriority(rp1) < GetURLPriority(rp2);
    }
};

} // end of anonymous namespace



namespace sd { namespace sidebar {

class AllMasterPagesSelector::SortedMasterPageDescriptorList
    : public ::std::set<SharedMasterPageDescriptor,MasterPageDescriptorOrder>
{
public:
    SortedMasterPageDescriptorList (void) {}
};




MasterPagesSelector* AllMasterPagesSelector::Create (
    ::Window* pParent,
    ViewShellBase& rViewShellBase,
    const cssu::Reference<css::ui::XSidebar>& rxSidebar)
{
    SdDrawDocument* pDocument = rViewShellBase.GetDocument();
    if (pDocument == NULL)
        return NULL;

    ::boost::shared_ptr<MasterPageContainer> pContainer (new MasterPageContainer());
    
    MasterPagesSelector* pSelector(
        new AllMasterPagesSelector (
            pParent, 
            *pDocument,
            rViewShellBase,
            pContainer,
            rxSidebar));
    pSelector->LateInit();
    pSelector->SetHelpId(HID_SD_TASK_PANE_PREVIEW_ALL);

    return pSelector;
}




AllMasterPagesSelector::AllMasterPagesSelector (
    ::Window* pParent,
    SdDrawDocument& rDocument,
    ViewShellBase& rBase,
    const ::boost::shared_ptr<MasterPageContainer>& rpContainer,
    const cssu::Reference<css::ui::XSidebar>& rxSidebar)
    : MasterPagesSelector(pParent, rDocument, rBase, rpContainer, rxSidebar),
      mpSortedMasterPages(new SortedMasterPageDescriptorList())
{
    MasterPagesSelector::Fill();
}




AllMasterPagesSelector::~AllMasterPagesSelector (void)
{
}




void AllMasterPagesSelector::Fill (ItemList& rItemList)
{
    if (mpSortedMasterPages->empty())
        UpdateMasterPageList();
    UpdatePageSet(rItemList);
}




void AllMasterPagesSelector::NotifyContainerChangeEvent (
    const MasterPageContainerChangeEvent& rEvent)
{
    switch (rEvent.meEventType)
    {
        case MasterPageContainerChangeEvent::CHILD_ADDED:
            AddItem(rEvent.maChildToken);
            MasterPagesSelector::Fill();
            break;
            
        case MasterPageContainerChangeEvent::INDEX_CHANGED:
        case MasterPageContainerChangeEvent::INDEXES_CHANGED:
            mpSortedMasterPages->clear();
            MasterPagesSelector::Fill();
            break;

        default:
            MasterPagesSelector::NotifyContainerChangeEvent(rEvent);
            break;
    }
}




void AllMasterPagesSelector::UpdateMasterPageList (void)
{
    mpSortedMasterPages->clear();
    int nTokenCount = mpContainer->GetTokenCount();
    for (int i=0; i<nTokenCount; i++)
        AddItem(mpContainer->GetTokenForIndex(i));
}




void AllMasterPagesSelector::AddItem (MasterPageContainer::Token aToken)
{
    switch (mpContainer->GetOriginForToken(aToken))
    {
        case MasterPageContainer::DEFAULT:
        case MasterPageContainer::TEMPLATE:
            // Templates are added only when coming from the
            // MasterPageContainerFiller so that they have an id which
            // defines their place in the list.  Templates (pre) loaded from
            // RecentlyUsedMasterPages are ignored (they will be loaded
            // later by the MasterPageContainerFiller.)
            if (mpContainer->GetTemplateIndexForToken(aToken) >= 0)
                mpSortedMasterPages->insert(mpContainer->GetDescriptorForToken(aToken));
            break;

        default:
            break;
    }
}




void AllMasterPagesSelector::UpdatePageSet (ItemList& rItemList)
{
    SortedMasterPageDescriptorList::const_iterator iDescriptor;
    SortedMasterPageDescriptorList::const_iterator iEnd (mpSortedMasterPages->end());
    for (iDescriptor=mpSortedMasterPages->begin(); iDescriptor!=iEnd; ++iDescriptor)
        rItemList.push_back((*iDescriptor)->maToken);
}




void AllMasterPagesSelector::GetState (SfxItemSet& rItemSet)
{
    //    MasterPagesSelector::GetState(rItemSet);

	if (rItemSet.GetItemState(SID_TP_EDIT_MASTER) == SFX_ITEM_AVAILABLE)
        rItemSet.DisableItem(SID_TP_EDIT_MASTER);
}




} } // end of namespace sd::sidebar