private void DoSelectAllText()
{
// Check if we have any text or can get it automatically
if (!CanPerformTextOperation("No text to select", true))
{
return;
}
//if (!_documentViewer.Text.HasDocumentPageText(0) && !
//message = Helper.AddTextNote(message);
var isSlow = _documentViewer.Commands.IsSlow(DocumentViewerCommands.TextSelectAll, 0);
if (isSlow)
{
this.BeginBusyOperation();
}
var thisOperation = new DocumentViewerAsyncOperation
{
Error = (DocumentViewerAsyncOperation operation, Exception error) =>
{
UI.Helper.ShowError(this, error);
},
Always = (DocumentViewerAsyncOperation operation) =>
{
if (isSlow)
{
this.EndBusyOperation();
}
}
};
_documentViewer.Commands.RunAsync(thisOperation, DocumentViewerCommands.TextSelectAll, 0);
}
private void FindNextPrevious(bool findNext)
{
var commandName = findNext ? DocumentViewerCommands.TextFindNext : DocumentViewerCommands.TextFindPrevious;
var isSlow = _documentViewer.Commands.IsSlow(commandName, 0);
if (isSlow)
{
this.BeginBusyOperation();
}
var thisOperation = new DocumentViewerAsyncOperation
{
Error = (DocumentViewerAsyncOperation operation, Exception error) =>
{
UI.Helper.ShowError(this, error);
},
Always = (DocumentViewerAsyncOperation operation) =>
{
if (isSlow)
{
this.EndBusyOperation();
}
}
};
_documentViewer.Commands.RunAsync(thisOperation, commandName, null);
}
private void getTextToolStripMenuItem_Click(object sender, EventArgs e)
{
var thisOperation = new DocumentViewerAsyncOperation
{
Error = (DocumentViewerAsyncOperation operation, Exception error) =>
{
MessageBox.Show(error.Message);
},
Always = (DocumentViewerAsyncOperation operation) =>
{
MessageBox.Show("DONE!");
}
};
_documentViewer.Commands.RunAsync(thisOperation, DocumentViewerCommands.TextGet, _documentViewer.CurrentPageNumber);
}
private void GetPagesText(int pageNumber)
{
// This could take some time, so run it as a busy operation
this.BeginBusyOperation();
var thisOperation = new DocumentViewerAsyncOperation
{
Error = (DocumentViewerAsyncOperation operation, Exception error) =>
{
UI.Helper.ShowError(this, error);
},
Always = (DocumentViewerAsyncOperation operation) =>
{
this.EndBusyOperation();
}
};
_documentViewer.Commands.RunAsync(thisOperation, DocumentViewerCommands.TextGet, pageNumber);
}
private void _exportTextToolStripMenuItem_Click(object sender, EventArgs e)
{
// Check if we have any text or can get it automatically
if (!CanPerformTextOperation("No text to export", true))
{
return;
}
int pageNumber = 1;
int pageCount = _documentViewer.PageCount;
if (pageNumber > pageCount)
{
pageNumber = pageCount;
}
if (pageCount > 1)
{
using (var dlg = new UI.PagesDialog())
{
dlg.Operation = "Export Text";
dlg.PageCount = _documentViewer.PageCount;
dlg.FirstPageNumber = _documentViewer.CurrentPageNumber;
dlg.SinglePageMode = true;
if (dlg.ShowDialog(this) != DialogResult.OK)
{
return;
}
// Single page mode, either .FirstPageNumber == .LastPageNumber meaning all pages or get it from .FirstPageNumber
if (dlg.FirstPageNumber == 1 && dlg.LastPageNumber == _documentViewer.PageCount)
{
pageNumber = 0; // 0 means all pages
}
else
{
pageNumber = dlg.FirstPageNumber;
}
}
}
var isSlow = _documentViewer.Commands.IsSlow(DocumentViewerCommands.TextExport, pageNumber);
if (isSlow)
{
this.BeginBusyOperation();
}
var thisOperation = new DocumentViewerAsyncOperation <object>
{
Done = (DocumentViewerAsyncOperation <object> operation) =>
{
this.BeginInvoke((MethodInvoker) delegate
{
var text = operation.Result as string;
if (text != null)
{
using (var dlg = new UI.ExportTextDialog(text))
{
dlg.ShowDialog(this);
}
}
else
{
UI.Helper.ShowInformation(this, "This document does not contain any text");
}
});
},
Error = (DocumentViewerAsyncOperation <object> operation, Exception error) =>
{
UI.Helper.ShowError(this, error);
},
Always = (DocumentViewerAsyncOperation <object> operation) =>
{
if (isSlow)
{
this.EndBusyOperation();
}
}
};
_documentViewer.Commands.RunAsync(thisOperation, DocumentViewerCommands.TextExport, pageNumber);
}
