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office-gobmx/sfx2/source/control/templateabstractview.cxx
Luboš Luňák 1946794ae0 mass removal of rtl:: prefixes for O(U)String* 
Modules sal, salhelper, cppu, cppuhelper, codemaker (selectively) and odk
have kept them, in order not to break external API (the automatic using declaration
is LO-internal).

Change-Id: I588fc9e0c45b914f824f91c0376980621d730f09
2013-04-07 14:23:11 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sfx2/templateabstractview.hxx>
#include <comphelper/processfactory.hxx>
#include <sfx2/sfxresid.hxx>
#include <sfx2/templatecontaineritem.hxx>
#include <sfx2/templateviewitem.hxx>
#include <tools/urlobj.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <vcl/pngread.hxx>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/StorageFactory.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include "../doc/doc.hrc"
#include "templateview.hrc"
bool ViewFilter_Application::isValid (const OUString &rPath) const
{
bool bRet = true;
INetURLObject aUrl(rPath);
OUString aExt = aUrl.getExtension();
if (mApp == FILTER_APP_WRITER)
{
bRet = aExt == "ott" || aExt == "stw" || aExt == "oth" || aExt == "dot" || aExt == "dotx";
}
else if (mApp == FILTER_APP_CALC)
{
bRet = aExt == "ots" || aExt == "stc" || aExt == "xlt" || aExt == "xltm" || aExt == "xltx";
}
else if (mApp == FILTER_APP_IMPRESS)
{
bRet = aExt == "otp" || aExt == "sti" || aExt == "pot" || aExt == "potm" || aExt == "potx";
}
else if (mApp == FILTER_APP_DRAW)
{
bRet = aExt == "otg" || aExt == "std";
}
return bRet;
}
bool ViewFilter_Application::operator () (const ThumbnailViewItem *pItem)
{
const TemplateViewItem *pTempItem = dynamic_cast<const TemplateViewItem*>(pItem);
if (pTempItem)
return isValid(pTempItem->getPath());
TemplateContainerItem *pContainerItem = const_cast<TemplateContainerItem*>(dynamic_cast<const TemplateContainerItem*>(pItem));
if (pContainerItem)
{
std::vector<TemplateItemProperties> &rTemplates = pContainerItem->maTemplates;
size_t nVisCount = 0;
// Clear thumbnails
pContainerItem->maPreview1.Clear();
pContainerItem->maPreview2.Clear();
pContainerItem->maPreview3.Clear();
pContainerItem->maPreview4.Clear();
for (size_t i = 0, n = rTemplates.size(); i < n && pContainerItem->HasMissingPreview(); ++i)
{
if (isValid(rTemplates[i].aPath))
{
++nVisCount;
if ( pContainerItem->maPreview1.IsEmpty( ) )
{
pContainerItem->maPreview1 = TemplateAbstractView::scaleImg(rTemplates[i].aThumbnail,
TEMPLATE_THUMBNAIL_MAX_WIDTH*0.75,
TEMPLATE_THUMBNAIL_MAX_HEIGHT*0.75);
}
else if ( pContainerItem->maPreview2.IsEmpty() )
{
pContainerItem->maPreview2 = TemplateAbstractView::scaleImg(rTemplates[i].aThumbnail,
TEMPLATE_THUMBNAIL_MAX_WIDTH*0.75,
TEMPLATE_THUMBNAIL_MAX_HEIGHT*0.75);
}
else if ( pContainerItem->maPreview3.IsEmpty() )
{
pContainerItem->maPreview3 = TemplateAbstractView::scaleImg(rTemplates[i].aThumbnail,
TEMPLATE_THUMBNAIL_MAX_WIDTH*0.75,
TEMPLATE_THUMBNAIL_MAX_HEIGHT*0.75);
}
else if ( pContainerItem->maPreview4.IsEmpty() )
{
pContainerItem->maPreview4 = TemplateAbstractView::scaleImg(rTemplates[i].aThumbnail,
TEMPLATE_THUMBNAIL_MAX_WIDTH*0.75,
TEMPLATE_THUMBNAIL_MAX_HEIGHT*0.75);
}
}
}
}
return true;
}
bool ViewFilter_Keyword::operator ()(const ThumbnailViewItem *pItem)
{
assert(pItem);
return pItem->maTitle.matchIgnoreAsciiCase(maKeyword);
}
TemplateAbstractView::TemplateAbstractView (Window *pParent, WinBits nWinStyle, bool bDisableTransientChildren)
: ThumbnailView(pParent,nWinStyle,bDisableTransientChildren),
mnCurRegionId(0),
maAllButton(this, SfxResId(BTN_ALL_TEMPLATES)),
maFTName(this, SfxResId(FT_NAME))
{
maAllButton.Hide();
maAllButton.SetStyle(maAllButton.GetStyle() | WB_FLATBUTTON);
maAllButton.SetClickHdl(LINK(this,TemplateAbstractView,ShowRootRegionHdl));
maFTName.Hide();
}
TemplateAbstractView::TemplateAbstractView(Window *pParent, const ResId &rResId, bool bDisableTransientChildren)
: ThumbnailView(pParent,rResId,bDisableTransientChildren),
mnCurRegionId(0),
maAllButton(this, SfxResId(BTN_ALL_TEMPLATES)),
maFTName(this, SfxResId(FT_NAME))
{
maAllButton.Hide();
maAllButton.SetStyle(maAllButton.GetStyle() | WB_FLATBUTTON);
maAllButton.SetClickHdl(LINK(this,TemplateAbstractView,ShowRootRegionHdl));
maFTName.Hide();
}
TemplateAbstractView::~TemplateAbstractView ()
{
}
void TemplateAbstractView::insertItem(const TemplateItemProperties &rTemplate)
{
const TemplateItemProperties *pCur = &rTemplate;
TemplateViewItem *pChild = new TemplateViewItem(*this);
pChild->mnId = pCur->nId;
pChild->mnDocId = pCur->nDocId;
pChild->mnRegionId = pCur->nRegionId;
pChild->maTitle = pCur->aName;
pChild->setPath(pCur->aPath);
pChild->maPreview1 = pCur->aThumbnail;
if ( pCur->aThumbnail.IsEmpty() )
{
// Use the default thumbnail if we have nothing else
pChild->maPreview1 = TemplateAbstractView::getDefaultThumbnail(pCur->aPath);
}
pChild->setSelectClickHdl(LINK(this,ThumbnailView,OnItemSelected));
AppendItem(pChild);
CalculateItemPositions();
Invalidate();
}
void TemplateAbstractView::insertItems(const std::vector<TemplateItemProperties> &rTemplates)
{
std::vector<ThumbnailViewItem*> aItems(rTemplates.size());
for (size_t i = 0, n = rTemplates.size(); i < n; ++i )
{
//TODO: CHECK IF THE ITEM IS A FOLDER OR NOT
TemplateViewItem *pChild = new TemplateViewItem(*this);
const TemplateItemProperties *pCur = &rTemplates[i];
pChild->mnId = pCur->nId;
pChild->mnDocId = pCur->nDocId;
pChild->mnRegionId = pCur->nRegionId;
pChild->maTitle = pCur->aName;
pChild->setPath(pCur->aPath);
pChild->maPreview1 = pCur->aThumbnail;
if ( pCur->aThumbnail.IsEmpty() )
{
// Use the default thumbnail if we have nothing else
pChild->maPreview1 = TemplateAbstractView::getDefaultThumbnail(pCur->aPath);
}
pChild->setSelectClickHdl(LINK(this,ThumbnailView,OnItemSelected));
aItems[i] = pChild;
}
updateItems(aItems);
}
sal_uInt16 TemplateAbstractView::getCurRegionId() const
{
return mnCurRegionId;
}
const OUString &TemplateAbstractView::getCurRegionName() const
{
return maCurRegionName;
}
bool TemplateAbstractView::isNonRootRegionVisible () const
{
return mnCurRegionId;
}
void TemplateAbstractView::setOpenRegionHdl(const Link &rLink)
{
maOpenRegionHdl = rLink;
}
void TemplateAbstractView::setOpenTemplateHdl(const Link &rLink)
{
maOpenTemplateHdl = rLink;
}
BitmapEx TemplateAbstractView::scaleImg (const BitmapEx &rImg, long width, long height)
{
BitmapEx aImg = rImg;
if ( !rImg.IsEmpty() )
{
const Size& aImgSize = aImg.GetSizePixel();
double nRatio = double(aImgSize.getWidth()) / double(aImgSize.getHeight());
long nDestWidth = aImgSize.getWidth();
long nDestHeight = aImgSize.getHeight();
// Which one side is the overflowing most?
long nDistW = aImgSize.getWidth() - width;
long nDistH = aImgSize.getHeight() - height;
// Use the biggest overflow side to make it fit the destination
if ( nDistW >= nDistH && nDistW > 0 )
{
nDestWidth = width;
nDestHeight = width / nRatio;
}
else if ( nDistW < nDistH && nDistH > 0 )
{
nDestHeight = height;
nDestWidth = height * nRatio;
}
aImg.Scale(Size(nDestWidth,nDestHeight));
}
return aImg;
}
BitmapEx TemplateAbstractView::getDefaultThumbnail( const OUString& rPath )
{
INetURLObject aUrl(rPath);
OUString aExt = aUrl.getExtension();
BitmapEx aImg;
if ( aExt == "ott" || aExt == "stw" || aExt == "oth" || aExt == "dot" || aExt == "dotx" )
{
aImg = BitmapEx ( SfxResId( SFX_THUMBNAIL_TEXT ) );
}
else if ( aExt == "ots" || aExt == "stc" || aExt == "xlt" || aExt == "xltm" || aExt == "xltx" )
{
aImg = BitmapEx ( SfxResId( SFX_THUMBNAIL_SHEET ) );
}
else if ( aExt == "otp" || aExt == "sti" || aExt == "pot" || aExt == "potm" || aExt == "potx" )
{
aImg = BitmapEx ( SfxResId( SFX_THUMBNAIL_PRESENTATION ) );
}
else if ( aExt == "otg" || aExt == "std" )
{
aImg = BitmapEx ( SfxResId( SFX_THUMBNAIL_DRAWING ) );
}
return aImg;
}
BitmapEx TemplateAbstractView::fetchThumbnail (const OUString &msURL, long width, long height)
{
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
// Load the thumbnail from a template document.
uno::Reference<io::XInputStream> xIStream;
uno::Reference< uno::XComponentContext > xContext (comphelper::getProcessComponentContext());
try
{
uno::Reference<lang::XSingleServiceFactory> xStorageFactory = embed::StorageFactory::create( xContext );
uno::Sequence<uno::Any> aArgs (2);
aArgs[0] <<= msURL;
aArgs[1] <<= embed::ElementModes::READ;
uno::Reference<embed::XStorage> xDocStorage (
xStorageFactory->createInstanceWithArguments(aArgs),
uno::UNO_QUERY);
try
{
if (xDocStorage.is())
{
uno::Reference<embed::XStorage> xStorage (
xDocStorage->openStorageElement(
"Thumbnails",
embed::ElementModes::READ));
if (xStorage.is())
{
uno::Reference<io::XStream> xThumbnailCopy (
xStorage->cloneStreamElement("thumbnail.png"));
if (xThumbnailCopy.is())
xIStream = xThumbnailCopy->getInputStream();
}
}
}
catch (const uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access Thumbnail/thumbnail.png of %s: %s",
OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
try
{
// An (older) implementation had a bug - The storage
// name was "Thumbnail" instead of "Thumbnails". The
// old name is still used as fallback but this code can
// be removed soon.
if ( ! xIStream.is())
{
uno::Reference<embed::XStorage> xStorage (
xDocStorage->openStorageElement( "Thumbnail",
embed::ElementModes::READ));
if (xStorage.is())
{
uno::Reference<io::XStream> xThumbnailCopy (
xStorage->cloneStreamElement("thumbnail.png"));
if (xThumbnailCopy.is())
xIStream = xThumbnailCopy->getInputStream();
}
}
}
catch (const uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access Thumbnails/thumbnail.png of %s: %s",
OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
}
catch (const uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access tuhmbnail of %s: %s",
OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
// Extract the image from the stream.
BitmapEx aThumbnail;
if (xIStream.is())
{
::std::auto_ptr<SvStream> pStream (
::utl::UcbStreamHelper::CreateStream (xIStream));
::vcl::PNGReader aReader (*pStream);
aThumbnail = aReader.Read ();
}
return TemplateAbstractView::scaleImg(aThumbnail,width,height);
}
IMPL_LINK_NOARG(TemplateAbstractView, ShowRootRegionHdl)
{
showRootRegion();
return 0;
}
void TemplateAbstractView::OnItemDblClicked (ThumbnailViewItem *pItem)
{
//Check if the item is a TemplateContainerItem (Folder) or a TemplateViewItem (File)
TemplateContainerItem* pContainerItem = dynamic_cast<TemplateContainerItem*>(pItem);
if ( pContainerItem )
{
// Fill templates
mnCurRegionId = pContainerItem->mnRegionId+1;
maCurRegionName = pContainerItem->maTitle;
maFTName.SetText(maCurRegionName);
showRegion(pItem);
}
else
{
maOpenTemplateHdl.Call(pItem);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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