/// <summary>
/// Creates a new instance of the template and adds it to this components content
/// </summary>
/// <param name="context"></param>
/// <param name="count"></param>
/// <param name="index"></param>
/// <param name="container"></param>
/// <param name="template"></param>
/// <returns></returns>
protected virtual int InstantiateAndAddWithTemplate(IPDFTemplate template, int count, int index, IPDFContainerComponent container, PDFDataContext context)
{
if (null == template)
{
return(0);
}
PDFInitContext init = GetInitContext(context);
PDFLoadContext load = GetLoadContext(context);
IEnumerable <IPDFComponent> created = template.Instantiate(count, this);
int added = 0;
if (created != null)
{
foreach (IPDFComponent ele in ((IEnumerable)created))
{
InsertComponentInContainer(container, index, ele, init, load);
if (ele is IPDFBindableComponent)
{
((IPDFBindableComponent)ele).DataBind(context);
}
index++;
added++;
//raise the event
this.OnItemDataBound(context, ele);
}
}
return(added);
}
protected override void OnLoaded(PDFLoadContext context)
{
bool performload = false;
this.EnsureContentsParsed(context, performload);
base.OnLoaded(context);
}
protected virtual void DoLoad(PDFLoadContext context, bool includeChildren)
{
if (includeChildren)
{
this.Styles.Load(context);
}
}
/// <summary>
/// Invokes the load on each of the components in this list
/// </summary>
/// <param name="context"></param>
public void Load(PDFLoadContext context)
{
foreach (IPDFComponent comp in this)
{
comp.Load(context);
}
}
protected virtual void OnLoaded(PDFLoadContext context)
{
if (null != this.Loaded)
{
this.Loaded(this, new PDFLoadEventArgs(context));
}
}
public void Load(PDFLoadContext context)
{
if (null != this.Loaded)
{
this.Loaded(this, new PDFLoadEventArgs(context));
}
}
private PDFLoadContext GetLoadContext(PDFDataContext dataContext)
{
if (null == _loadContext)
{
_loadContext = new PDFLoadContext(dataContext.Items, dataContext.TraceLog, dataContext.PerformanceMonitor, this.Document);
}
return(_loadContext);
}
public void Load(PDFLoadContext context)
{
foreach (PDFObject item in this)
{
if (item is IPDFComponent)
{
(item as IPDFComponent).Load(context);
}
}
}
protected virtual void DoLoadChildren(PDFLoadContext context)
{
if (this.HasContent)
{
for (int i = 0; i < this.InnerContent.Count; i++)
{
Component comp = this.InnerContent[i];
comp.Load(context);
}
}
}
/// <summary>
/// Raises the loaded event.
/// </summary>
/// <param name="context"></param>
protected virtual void OnLoaded(PDFLoadContext context)
{
if (this.HasRegisteredEvents)
{
PDFLoadedEventHandler handler = (PDFLoadedEventHandler)this.Events[LoadedEventKey];
if (null != handler)
{
handler(this, new PDFLoadEventArgs(context));
}
}
}
private void InitAndLoadRoot(Component built, PDFContextBase context)
{
if (context.TraceLog.ShouldLog(TraceLevel.Debug))
{
context.TraceLog.Add(TraceLevel.Debug, "DataGrid", "Initializing and loading root component before binding");
}
PDFTraceLog log = context.TraceLog;
PDFInitContext init = new PDFInitContext(context.Items, log, context.PerformanceMonitor, this.Document);
PDFLoadContext load = new PDFLoadContext(context.Items, log, context.PerformanceMonitor, this.Document);
built.Init(init);
built.Load(load);
}
/// <summary>
/// Load operation
/// </summary>
public void Load(PDFLoadContext context)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Debug, "Component", "Load Component '" + this.UniqueID + "'");
}
this.DoLoad(context);
this.OnLoaded(context);
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Debug, "Component", "Load Component '" + this.UniqueID + "'");
}
}
/// <summary>
/// Returns a style that would be applied to the document, based on the passed css and any class
/// </summary>
/// <param name="css">The css styles to use</param>
/// <param name="docClass">The css class to set on the document if any</param>
/// <returns>The applied style</returns>
private Document BuildDocumentWithStyles(string css)
{
var doc = new Document();
var context = new PDFLoadContext(doc.Params, doc.TraceLog, doc.PerformanceMonitor, doc);
var cssparser = new CSSStyleParser(css, context);
//Add the parsed styles
foreach (var style in cssparser)
{
doc.Styles.Add(style);
}
//do the load and bind
doc.InitializeAndLoad();
doc.DataBind();
return(doc);
}
/// <summary>
/// Makse sure that if we do have some data and it has not been parsed, them we should parse it.
/// </summary>
/// <param name="data"></param>
/// <param name="context"></param>
/// <returns>True if we did do the actual parsing when this method was called, otherwise false.</returns>
protected virtual bool EnsureContentsParsed(PDFContextBase context)
{
if (!this._parsed)
{
IEnumerable <IPDFComponent> all = DoParseContents(context);
foreach (IPDFComponent child in all)
{
this.InnerContent.Add((Component)child);
}
//Do the init and load for these components
PDFInitContext init = new PDFInitContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document);
PDFLoadContext load = new PDFLoadContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document);
foreach (IPDFComponent child in all)
{
child.Init(init);
}
foreach (IPDFComponent child in all)
{
if (child is Component)
{
((Component)child).Load(load);
}
}
//We did do the parsing so let's return true.
_parsed = true;
return(_parsed);
}
else
{
return(false);
}
}
public void InstantiateTemplate(IPDFTemplate template, PDFLayoutContext context, PDFRect available, int pageindex)
{
if (null == template)
{
throw new ArgumentNullException("template");
}
if (null == context)
{
throw new ArgumentNullException("context");
}
List <IPDFComponent> generated = new List <IPDFComponent>(template.Instantiate(GeneratedCount, this));
if (generated.Count == 0)
{
return;
}
PDFInitContext init = new PDFInitContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document)
{
Compression = context.Compression,
OutputFormat = context.OutputFormat,
Conformance = context.Conformance
};
PDFLoadContext load = new PDFLoadContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document)
{
Compression = context.Compression,
OutputFormat = context.OutputFormat,
Conformance = context.Conformance
};
PDFDataContext data = new PDFDataContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document)
{
Compression = context.Compression,
OutputFormat = context.OutputFormat,
Conformance = context.Conformance
};
IPDFContainerComponent container = this;
IPDFComponentList components = container.Content as IPDFComponentList;
for (int index = 0; index < generated.Count; index++)
{
IPDFComponent comp = generated[index];
components.Insert(index, comp);
comp.Init(init);
}
foreach (IPDFComponent comp in generated)
{
comp.Load(load);
}
foreach (IPDFComponent comp in generated)
{
if (comp is IPDFBindableComponent)
{
(comp as IPDFBindableComponent).DataBind(data);
}
}
this.GeneratedCount++;
}
protected override void OnLoaded(PDFLoadContext context)
{
base.OnLoaded(context);
DoLoadReference(context);
}
protected override void DoLoad(PDFLoadContext context)
{
base.DoLoad(context);
this.DoLoadChildren(context);
}
public void Load(PDFLoadContext context)
{
this.DoLoad(context, true);
this.OnLoaded(context);
}
protected override void OnLoaded(PDFLoadContext context)
{
AssertInnerStyles(context);
base.OnLoaded(context);
}
protected virtual void AddAutoBindFields(object data, IPDFDataSource source, PDFDataContext context)
{
if (string.IsNullOrEmpty(this.DataSourceID))
{
throw new InvalidOperationException("Can only auto bind the schema when the With has an explicit DataSourceID and the referencing source supports Schema derriving");
}
IPDFDataSource found = base.FindDocumentComponentById(this.DataSourceID) as IPDFDataSource;
if (null == found || found.SupportsDataSchema == false)
{
throw new InvalidOperationException("Can only auto bind the schema when the With has an explicit DataSourceID and the referencing source supports Schema derriving");
}
PDFDataSchema schema = found.GetDataSchema(this.SelectPath, context);
if (null == schema || schema.Items == null || schema.Items.Count == 0)
{
context.TraceLog.Add(TraceLevel.Warning, "PDFWithFieldSet", string.Format("Cannot autobind the columns as no schema items were returned for the path '{0}'", this.SelectPath));
}
else
{
if (context.TraceLog.ShouldLog(TraceLevel.Debug))
{
context.TraceLog.Add(TraceLevel.Debug, "DataGrid", "Initializing and loading root component before binding");
}
PDFTraceLog log = context.TraceLog;
PDFInitContext init = new PDFInitContext(context.Items, log, context.PerformanceMonitor, this.Document);
PDFLoadContext load = new PDFLoadContext(context.Items, log, context.PerformanceMonitor, this.Document);
foreach (PDFDataItem item in schema.Items)
{
if (ShouldIncludeAutoBoundItem(item))
{
WithBoundField field = GetFieldForType(item.DataType);
if (null != field)
{
field.StyleClass = this.FieldClass;
field.FieldLabel = string.IsNullOrEmpty(item.Title) ? item.Name : item.Title;
field.LabelClass = this.LabelClass;
field.ValueClass = this.ValueClass;
field.LabelPostFix = this.LabelPostFix;
field.LayoutType = this.AutoLayoutType;
field.DataType = item.DataType;
field.HideIfEmpty = this.HideEmptyFields;
field.SetDataSourceBindingItem(item, context);
if (context.TraceLog.ShouldLog(TraceLevel.Debug))
{
context.TraceLog.Add(TraceLevel.Debug, "PDFWithFieldSet", string.Format("The data field was automatically created for the schdema item '{0}' in set '{1}'", item, this));
}
this.Fields.Add(field);
field.Init(init);
field.Load(load);
this.BindingActions.Add(new BindingAction(data, source, field));
}
}
}
//added all the items
}
}
protected virtual void EnsureContentsParsed(PDFContextBase context, bool performload)
{
if (_parsed)
{
return;
}
IPDFContainerComponent container = this.GetContainerParent();
int index = container.Content.IndexOf(this);
try
{
if (_added != null && _added.Count > 0)
{
foreach (IPDFComponent prev in _added)
{
container.Content.Remove(prev as Component);
}
_added.Clear();
}
}
catch (Exception ex)
{
throw new PDFParserException("The previousl parsed components could not be removed from the parent container. See the inner exception for more details.", ex);
}
string fullpath = string.Empty;
try
{
if (!string.IsNullOrEmpty(this.Source))
{
fullpath = this.MapPath(this.Source);
if (Uri.IsWellFormedUriString(fullpath, UriKind.Absolute))
{
using (System.Net.WebClient wc = new System.Net.WebClient())
{
this._contentsAsString = wc.DownloadString(fullpath);
}
}
else
{
this._contentsAsString = System.IO.File.ReadAllText(fullpath);
if (this.UnEncode)
{
this._contentsAsString = System.Web.HttpUtility.HtmlDecode(this._contentsAsString);
}
}
}
else if (null != this.XHTMLContents)
{
fullpath = "HTMLFragment.Contents";
_contentsAsString = this.XHTMLContents.OuterXml;
}
else if (!string.IsNullOrEmpty(this.RawContents))
{
_contentsAsString = this.RawContents;
if (this.UnEncode)
{
this._contentsAsString = System.Web.HttpUtility.HtmlDecode(this._contentsAsString);
}
}
}
catch (Exception ex)
{
throw new PDFParserException("Could not download the required html contents from the specified source: " + fullpath, ex);
}
if (!string.IsNullOrEmpty(this._contentsAsString))
{
if (null == this._added)
{
_added = new List <IPDFComponent>();
}
try
{
this.ParseHtmlContents(fullpath, this._contentsAsString, container, index);
}
catch (Exception ex)
{
throw new PDFParserException("The Html reader could not parse the Html contents from the specified source: " + fullpath, ex);
}
if (_added.Count > 0)
{
//Need to do the initialization for each of the items.
PDFInitContext initContext = new PDFInitContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document);
for (int i = 0; i < _added.Count; i++)
{
_added[i].Init(initContext);
}
//If the load even has already happened then we need to execute the load event
//for each of the relevant items that were added.
if (performload)
{
PDFLoadContext loadContext = new PDFLoadContext(context.Items, context.TraceLog, context.PerformanceMonitor, this.Document);
for (int i = 0; i < _added.Count; i++)
{
IPDFComponent comp = _added[i];
if (comp is VisualComponent)
{
(comp as VisualComponent).Load(loadContext);
}
}
}
}
}
_parsed = true;
}
/// <summary>
/// Inheritors should override this method to perform their own loading operations
/// </summary>
protected virtual void DoLoad(PDFLoadContext context)
{
}
protected override void DoLoad(PDFLoadContext context)
{
base.DoLoad(context);
//this.EnsureContentsParsed(this.ParsableContents, context);
}
/// <summary>
/// Inserts a new Component in the container
/// </summary>
/// <param name="container"></param>
/// <param name="index"></param>
/// <param name="ele"></param>
private void InsertComponentInContainer(IPDFContainerComponent container, int index, IPDFComponent ele, PDFInitContext init, PDFLoadContext load)
{
ele.Init(init);
IPDFComponentList list = container.Content as IPDFComponentList;
list.Insert(index, ele);
_addedonbind.Add(ele);
ele.Load(load);
}
