private void DeleteSlide(int index)
{
//TODO: try-catch
PPT.Application app = new PPT.Application();
PPT.Presentations pres = app.Presentations;
PPT.Presentation pptx = pres.Open(LibraryFile.FullPath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoFalse);
PPT.Slides slides = pptx.Slides;
PPT.Slide slide = slides[index];
slide.Delete();
pptx.Save();
pptx.Close();
slide.ReleaseCOM();
slide = null;
slides.ReleaseCOM();
slides = null;
pptx.ReleaseCOM();
pptx = null;
pres.ReleaseCOM();
pres = null;
app.ReleaseCOM();
app = null;
}
public List <IFileItem> AppendShapes(List <PPT.Shape> srcShapes)
{
PPT.Application ppt = null;
PPT.Presentations pres = null;
PPT.Presentation pptPresentation = null;
try
{
ppt = new PPT.Application();
pres = ppt.Presentations;
pptPresentation = pres.Open(FullPath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoTrue);
PPT.DocumentWindow wnd = pptPresentation.Windows[1];
//wnd.Height = 200;
//wnd.Top = -200;
wnd.WindowState = PPT.PpWindowState.ppWindowMinimized;
wnd = null;
PPT.Slides gSlides = pptPresentation.Slides;
int startIndex = gSlides.Count + 1;
int count = 0;
foreach (PPT.Shape shape in srcShapes)
{
PPT.Slide slide = gSlides.Add(startIndex + count++, PPT.PpSlideLayout.ppLayoutBlank);
shape.Copy();
slide.Shapes.Paste();
slide.Tags.Add(ShapeTag.Tag, ShapeTag.Value);
slide.ReleaseCOM();
slide = null;
}
List <IFileItem> newItems = new List <IFileItem>();
newItems = fileIndex.UpdateIndex(pptPresentation, startIndex);
return(newItems);
}
finally
{
if (pptPresentation != null)
{
pptPresentation.Save();
pptPresentation.Close();
}
pptPresentation.ReleaseCOM();
pptPresentation = null;
pres.ReleaseCOM();
pres = null;
ppt.ReleaseCOM();
ppt = null;
}
}
private void InsertItem(IFileItem item)
{
if (item == null)
{
return;
}
PPT.Application app = new PPT.Application();
PPT.Presentations pres = app.Presentations;
PPT.Presentation pptx = pres.Open(item.File.FullPath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoFalse);
PPT.Slides slides = pptx.Slides;
PPT.Slide slide = slides[item.Index];
if (item.Type == ItemType.Slide)
{
slide.Copy();
}
else
{
PPT.Shapes shapes = slide.Shapes;
PPT.Shape shape = shapes[1];
shape.Copy();
shapes.ReleaseCOM();
shapes = null;
shape.ReleaseCOM();
shape = null;
}
PPT.Presentation dstpptx = app.ActivePresentation;
PPT.DocumentWindow wnd = app.ActiveWindow;
PPT.View view = wnd.View;
//TODO: Check if there is no selection (selection between slides)
PPT.Slides dstSlides = dstpptx.Slides;
PPT.Slide dstSlide = null;
dstSlide = view.Slide as PPT.Slide;
int ix = dstSlide.SlideIndex + 1;
if (item.Type == ItemType.Slide)
{
dstSlide.Copy();
var r = dstSlides.Paste(); //TODO: dstSlides.Paste(ix) Hangs here
var s = r[1];
s.MoveTo(ix);
s.ReleaseCOM();
s = null;
r.ReleaseCOM();
r = null;
}
else
{
view.Paste();
}
dstSlide.ReleaseCOM();
dstSlide = null;
wnd.ReleaseCOM();
wnd = null;
view.ReleaseCOM();
view = null;
dstpptx.ReleaseCOM();
dstpptx = null;
slide.ReleaseCOM();
slide = null;
slides.ReleaseCOM();
slides = null;
pptx.Close();
pptx.ReleaseCOM();
pptx = null;
pres.ReleaseCOM();
pres = null;
app.ReleaseCOM();
app = null;
dstSlides.ReleaseCOM();
dstSlides = null;
}
/// <summary>
/// Scans pptx file starting slide with specified index
/// <para>Can throw exceptions from inner calls.</para>
/// </summary>
/// <param name="pptPresentation"></param>
/// <param name="startIndex"></param>
/// <returns></returns>
public List <IFileItem> UpdateIndex(PPT.Presentation pptPresentation, int startIndex)
{
PPT.Slide slide = null;
dynamic addin = null;
string tempIndexFile = null;
List <string> tempFilesToDelete = new List <string>();
try
{
List <IFileItem> newItems = new List <IFileItem>();
string tempImgFile = null;
addin = GetAddin();
tempIndexFile = Path.GetTempFileName();
using (FileStream zipFile = new FileStream(indexFileFullName, FileMode.Open))
{
using (ZipArchive zip = new ZipArchive(zipFile, ZipArchiveMode.Update))
{
ZipArchiveEntry indexFileEntry = zip.GetEntry(ZIPEntry_IndexFileName);
indexFileEntry.ExtractToFile(tempIndexFile, true);
PPT.Slides gSlides = pptPresentation.Slides;
for (int idx = startIndex; idx <= gSlides.Count; idx++)
{
slide = gSlides[idx];
bool isShapeItem = slide.Tags[ShapeTag.Tag] != "";
#region Collect Item Data
string title = "";
StringBuilder sbKeyWords = new StringBuilder();
StringBuilder sbChartType = new StringBuilder();
StringBuilder sbDescr = new StringBuilder();
int chartsCount = 0;
if (isShapeItem)
{
try
{
PPT.Shape shape = slide.Shapes[1]; //If it is the Shape we expect it to be the only shape on this slide
if (addin?.IsExcelChart(shape) ?? false)
{
chartsCount++;
#region Get Chart Description
string[] str = addin.GetChartDescription(shape);
}
#endregion Get MG Chart Description
else
{
//TODO: Get something from non chart shape
title = shape.Title.Replace("\n", " ").Replace(" ", " ");
sbKeyWords.Append(shape.Name);
}
}
catch (Exception ex)
{
}
}
else
{ //Slide
foreach (PPT.Shape shape in slide.Shapes)
{
try
{
if (shape.Name == "Title 1" && title == "")
{
PPT.TextFrame frame = shape.TextFrame;
PPT.TextRange txt = frame.TextRange;
title = txt.Text.Replace("\n", " ").Replace(" ", " ");
txt = null;
frame = null;
}
if (addin?.IsExceloChart(shape) ?? false)
{
chartsCount++;
}
}
catch { }
}
}
sbKeyWords.Append(title);
sbKeyWords.Append(" ");
tempImgFile = Path.GetTempFileName();
float ratio = pptPresentation.PageSetup.SlideHeight / pptPresentation.PageSetup.SlideWidth;
slide.Export(tempImgFile, "png", ThumbnailWidth, (int)(ThumbnailWidth * ratio));
zip.CreateEntryFromFile(tempImgFile, ZIPEntry_ImagesFolder + idx + ".png");
Bitmap img = null;
using (var fs = new System.IO.FileStream(tempImgFile, System.IO.FileMode.Open))
{
img = new Bitmap(fs);
}
sbChartType.Replace("\n", " ");
#endregion
IFileItem item = LibraryFile.CreateItem(idx);
{
item.Image = img;
item.Type = (
(Func <ItemType>)(() => {
if (isShapeItem)
{
return(chartsCount == 0 ? ItemType.Shape : ItemType.Chart);
}
else
{
// if (mgChartsCount == 0)
{
return(ItemType.Slide);
}
// else
// {
// return mgChartsCount > 1 ? ItemType.SlideWithMultipleCharts : ItemType.SlideWithChart;
// }
}
})
)();
item.ShapesCount = chartsCount;
item.Title = title;
item.Description = sbDescr.ToString();
item.Keywords = sbKeyWords.ToString();
//TODO: item.ChartType = sbChartType.ToString();
}
newItems.Add(item);
slide = null;
}
items.AddRange(newItems);
Save(newItems, tempIndexFile);
indexFileEntry.Delete();
zip.CreateEntryFromFile(tempIndexFile, ZIPEntry_IndexFileName);
} //using (ZipArchive zip = new ZipArchive(zipFile, ZipArchiveMode.Update))
} //using (FileStream zipFile = new FileStream(indexFilePath, FileMode.Open))
return(newItems);
}
finally
{
addin = null;
slide.ReleaseCOM();
slide = null;
pptPresentation = null;
try
{
if (tempIndexFile != null)
{
File.Delete(tempIndexFile);
}
foreach (string path in tempFilesToDelete)
{
File.Delete(path);
}
}
catch
{
}
}
}