private async void Search(object param)
{
m_searchResults.Clear();
m_searchContext = null;
IsFavouritesMode = false;
Searching = true;
m_filteredResults.SortDescriptions.Clear();
m_filteredResults.Refresh();
try
{
ActionsCount++;
AllDataSheetSearchResult result = await AllDataSheetPart.SearchAsync(m_searchField);
m_searchContext = result.SearchContext;
AddResults(result.Parts);
}
catch
{
Global.MessageBox(this, Global.GetStringResource("StringSearchError"), MessageBoxExPredefinedButtons.Ok);
}
finally
{
ActionsCount--;
}
Searching = false;
}
public static PartViewModel FromAllDataSheetPart(AllDataSheetPart part)
{
PartViewModel result = new PartViewModel();
result.Name = part.Name;
result.Description = part.Description;
result.Manufacturer = part.Manufacturer;
result.ManufacturerImageLink = part.ManufacturerImageLink;
result.DatasheetSiteLink = part.DatasheetSiteLink;
result.RebuildTags();
result.Context = part;
result.MoreInfoState = PartMoreInfoState.NotAvailable;
result.CheckState();
return(result);
}
public PartViewModel(Part model, bool modelValid = true)
: base(model)
{
m_tags = new SynchronizedPerItemObservableCollection <ValueViewModel <string>, string>(model.Tags, x => new ValueViewModel <string>(x));
m_tags.CollectionChanged += (s, e) => RaisePropertyChanged(nameof(MoreInfoDisplay));
m_tags.ItemPropertyInCollectionChanged += (s, e) => RaisePropertyChanged(nameof(MoreInfoDisplay));
m_moreInfoState = PartMoreInfoState.Available;
if (modelValid)
{
if (!model.Custom)
{
m_context = new AllDataSheetPart(DatasheetSiteLink);
}
// can't call CheckState because it will result in a call to virtual method (RaisePropertyChanged) by setting State
// set m_state insead of State in constructor
if (model.Custom)
{
m_state = PartDatasheetState.Saved;
}
else
{
string code = Code;
string pdfPath = Global.BuildSavedDatasheetPath(code);
if (File.Exists(pdfPath))
{
m_state = PartDatasheetState.Saved;
}
else
{
pdfPath = Global.BuildCachedDatasheetPath(code);
if (File.Exists(pdfPath))
{
m_state = PartDatasheetState.Cached;
}
else
{
m_state = PartDatasheetState.NotDownloaded;
}
}
}
}
}
private async void LoadMoreResults(object param)
{
Searching = true;
try
{
ActionsCount++;
AllDataSheetSearchResult result = await AllDataSheetPart.SearchAsync(m_searchContext);
m_searchContext = result.SearchContext;
AddResults(result.Parts);
}
catch
{
Global.MessageBox(this, Global.GetStringResource("StringSearchError"), MessageBoxExPredefinedButtons.Ok);
}
finally
{
ActionsCount--;
}
Searching = false;
}
private static List <AllDataSheetPart> FilterResults(HtmlDocument document)
{
HtmlNode rootNode = document.DocumentNode;
HtmlNode htmlNode = rootNode.Element("html");
HtmlNode bodyNode = htmlNode.Element("body");
IEnumerable <HtmlNode> tableWithElementsNodes = from node in bodyNode.Descendants("table")
where IsAttributeValueLike(node, "width", "100%") && IsAttributeValueLike(node, "height", "100%") &&
IsAttributeValueLike(node, "border", "0") && IsAttributeValueLike(node, "bgcolor", "#cccccc") &&
IsAttributeValueLike(node, "cellpadding", "1") && IsAttributeValueLike(node, "cellspacing", "1") &&
IsAttributeValueLike(node, "class", "main") && IsAttributeValueLike(node, "align", "center")
select node;
HtmlNode tableNode = tableWithElementsNodes.ElementAt(0);
IEnumerable <HtmlNode> tableRows = from node in tableNode.Elements("tr") where IsAttributeValueLike(node, "class", "nv_td") select node;
List <AllDataSheetPart> parts = new List <AllDataSheetPart>();
AllDataSheetPart previous = new AllDataSheetPart();
foreach (HtmlNode row in tableRows)
{
AllDataSheetPart part = new AllDataSheetPart();
IEnumerable <HtmlNode> columns = row.Elements("td");
int columnsCount = columns.Count();
if (columnsCount < 3)
{
continue;
}
int offset = 0;
if (columnsCount == 3)
{
offset = -1;
part.m_manufacturer = previous.m_manufacturer;
part.m_manufacturerImageLink = previous.m_manufacturerImageLink;
}
else
{
HtmlNode imgNode = columns.ElementAt(0).Element("img");
if (imgNode != null)
{
part.m_manufacturer = GetAttributeValueOrEmpty(imgNode, "alt");
part.m_manufacturerImageLink = GetAttributeValueOrEmpty(imgNode, "src");
}
}
HtmlNode secondColumn = columns.ElementAt(1 + offset);
HtmlNode aNode = secondColumn.Element("a");
if (aNode != null)
{
part.m_datasheetSiteLink = GetAttributeValueOrEmpty(aNode, "href");
part.m_name = aNode.InnerText.Replace("\n", "");
}
HtmlNode descriptionNode = columns.ElementAt(3 + offset);
if (descriptionNode != null)
{
part.m_description = descriptionNode.InnerText;
}
previous = part;
parts.Add(part);
}
return(parts);
}
private static List<AllDataSheetPart> FilterResults(HtmlDocument document)
{
HtmlNode rootNode = document.DocumentNode;
HtmlNode htmlNode = rootNode.Element("html");
HtmlNode bodyNode = htmlNode.Element("body");
IEnumerable<HtmlNode> tableWithElementsNodes = from node in bodyNode.Descendants("table")
where IsAttributeValueLike(node, "width", "100%") && IsAttributeValueLike(node, "height", "100%") &&
IsAttributeValueLike(node, "border", "0") && IsAttributeValueLike(node, "bgcolor", "#cccccc") &&
IsAttributeValueLike(node, "cellpadding", "1") && IsAttributeValueLike(node, "cellspacing", "1") &&
IsAttributeValueLike(node, "class", "main") && IsAttributeValueLike(node, "align", "center")
select node;
HtmlNode tableNode = tableWithElementsNodes.ElementAt(0);
IEnumerable<HtmlNode> tableRows = from node in tableNode.Elements("tr") where IsAttributeValueLike(node, "class", "nv_td") select node;
List<AllDataSheetPart> parts = new List<AllDataSheetPart>();
AllDataSheetPart previous = new AllDataSheetPart();
foreach (HtmlNode row in tableRows)
{
AllDataSheetPart part = new AllDataSheetPart();
IEnumerable<HtmlNode> columns = row.Elements("td");
int columnsCount = columns.Count();
if (columnsCount < 3) continue;
int offset = 0;
if (columnsCount == 3)
{
offset = -1;
part.m_manufacturer = previous.m_manufacturer;
part.m_manufacturerImageLink = previous.m_manufacturerImageLink;
}
else
{
HtmlNode imgNode = columns.ElementAt(0).Element("img");
if (imgNode != null)
{
part.m_manufacturer = GetAttributeValueOrEmpty(imgNode, "alt");
part.m_manufacturerImageLink = GetAttributeValueOrEmpty(imgNode, "src");
}
}
HtmlNode secondColumn = columns.ElementAt(1 + offset);
HtmlNode aNode = secondColumn.Element("a");
if (aNode != null)
{
part.m_datasheetSiteLink = GetAttributeValueOrEmpty(aNode, "href");
part.m_name = aNode.InnerText.Replace("\n", "");
}
HtmlNode descriptionNode = columns.ElementAt(3 + offset);
if (descriptionNode != null)
{
part.m_description = descriptionNode.InnerText;
}
previous = part;
parts.Add(part);
}
return parts;
}
