/// <summary>
/// Appends the specified style parts to the current one. The parts can be instances of sub-classes like Border or CellXf or a Style instance. Only the altered properties of the specified style or style part that differs from a new / untouched style instance will be appended. This enables method chaining
/// </summary>
/// <param name="styleToAppend">The style to append or a sub-class of Style</param>
/// <returns>Current style with appended style parts</returns>
public Style Append(AbstractStyle styleToAppend)
{
if (styleToAppend.GetType() == typeof(Style.Border))
{
this.CurrentBorder.CopyProperties <Border>((Border)styleToAppend, new Border());
}
else if (styleToAppend.GetType() == typeof(Style.CellXf))
{
this.CurrentCellXf.CopyProperties <CellXf>((CellXf)styleToAppend, new CellXf());
}
else if (styleToAppend.GetType() == typeof(Style.Fill))
{
this.CurrentFill.CopyProperties <Fill>((Fill)styleToAppend, new Fill());
}
else if (styleToAppend.GetType() == typeof(Style.Font))
{
this.CurrentFont.CopyProperties <Font>((Font)styleToAppend, new Font());
}
else if (styleToAppend.GetType() == typeof(Style.NumberFormat))
{
this.CurrentNumberFormat.CopyProperties <NumberFormat>((NumberFormat)styleToAppend, new NumberFormat());
}
else if (styleToAppend.GetType() == typeof(Style))
{
this.CurrentBorder.CopyProperties <Border>(((Style)styleToAppend).CurrentBorder, new Border());
this.CurrentCellXf.CopyProperties <CellXf>(((Style)styleToAppend).CurrentCellXf, new CellXf());
this.CurrentFill.CopyProperties <Fill>(((Style)styleToAppend).CurrentFill, new Fill());
this.CurrentFont.CopyProperties <Font>(((Style)styleToAppend).CurrentFont, new Font());
this.CurrentNumberFormat.CopyProperties <NumberFormat>(((Style)styleToAppend).CurrentNumberFormat, new NumberFormat());
}
return(this);
}
/// <summary>
/// Gets a style by its hash
/// </summary>
/// <param name="hash">Hash of the style</param>
/// <returns>Determined style</returns>
/// <exception cref="StyleException">Throws a StyleException if the style was not found in the style manager</exception>
public NanoXLSX.Style.Style GetStyleByHash(String hash)
{
AbstractStyle component = GetComponentByHash(ref styles, hash);
if (component == null)
{
throw new StyleException("MissingReferenceException", "The style component with the hash '" + hash + "' was not found");
}
return((NanoXLSX.Style.Style)component);
}
/// <summary>
/// Checks whether a style component in the style manager is used by a style
/// </summary>
/// <param name="component">Component to check</param>
/// <returns>If true, the component is in use</returns>
private bool IsUsedByStyle(AbstractStyle component)
{
NanoXLSX.Style.Style s;
bool match = false;
String hash = component.Hash;
int len = styles.Count;
for (int i = 0; i < len; i++)
{
s = (NanoXLSX.Style.Style)styles[i];
if (component.GetType() == typeof(NanoXLSX.Style.Style.Border))
{
if (s.CurrentBorder.Hash == hash)
{
match = true; break;
}
}
else if (component.GetType() == typeof(NanoXLSX.Style.Style.CellXf))
{
if (s.CurrentCellXf.Hash == hash)
{
match = true; break;
}
}
if (component.GetType() == typeof(NanoXLSX.Style.Style.Fill))
{
if (s.CurrentFill.Hash == hash)
{
match = true; break;
}
}
if (component.GetType() == typeof(NanoXLSX.Style.Style.Font))
{
if (s.CurrentFont.Hash == hash)
{
match = true; break;
}
}
if (component.GetType() == typeof(NanoXLSX.Style.Style.NumberFormat))
{
if (s.CurrentNumberFormat.Hash == hash)
{
match = true; break;
}
}
}
return(match);
}
/// <summary>
/// Adds a style component to the manager
/// </summary>
/// <param name="style">Component to add</param>
/// <returns>Hash of the added or determined component</returns>
private string AddStyleComponent(AbstractStyle style)
{
string hash = style.Hash;
if (style.GetType() == typeof(NanoXLSX.Style.Style.Border))
{
if (GetComponentByHash(ref borders, hash) == null)
{
borders.Add(style);
}
Reorganize(ref borders);
}
else if (style.GetType() == typeof(NanoXLSX.Style.Style.CellXf))
{
if (GetComponentByHash(ref cellXfs, hash) == null)
{
cellXfs.Add(style);
}
Reorganize(ref cellXfs);
}
else if (style.GetType() == typeof(NanoXLSX.Style.Style.Fill))
{
if (GetComponentByHash(ref fills, hash) == null)
{
fills.Add(style);
}
Reorganize(ref fills);
}
else if (style.GetType() == typeof(NanoXLSX.Style.Style.Font))
{
if (GetComponentByHash(ref fonts, hash) == null)
{
fonts.Add(style);
}
Reorganize(ref fonts);
}
else if (style.GetType() == typeof(NanoXLSX.Style.Style.NumberFormat))
{
if (GetComponentByHash(ref numberFormats, hash) == null)
{
numberFormats.Add(style);
}
Reorganize(ref numberFormats);
}
else if (style.GetType() == typeof(NanoXLSX.Style.Style))
{
NanoXLSX.Style.Style s = (NanoXLSX.Style.Style)style;
if (styleNames.Contains(s.Name) == true)
{
throw new StyleException("StyleAlreadyExistsException", "The style with the name '" + s.Name + "' already exists");
}
if (GetComponentByHash(ref styles, hash) == null)
{
int?id;
if (s.InternalID.HasValue == false)
{
id = int.MaxValue;
s.InternalID = id;
}
else
{
id = s.InternalID.Value;
}
string temp = AddStyleComponent(s.CurrentBorder, id);
s.CurrentBorder = (NanoXLSX.Style.Style.Border)GetComponentByHash(ref borders, temp);
temp = AddStyleComponent(s.CurrentCellXf, id);
s.CurrentCellXf = (NanoXLSX.Style.Style.CellXf)GetComponentByHash(ref cellXfs, temp);
temp = AddStyleComponent(s.CurrentFill, id);
s.CurrentFill = (NanoXLSX.Style.Style.Fill)GetComponentByHash(ref fills, temp);
temp = AddStyleComponent(s.CurrentFont, id);
s.CurrentFont = (NanoXLSX.Style.Style.Font)GetComponentByHash(ref fonts, temp);
temp = AddStyleComponent(s.CurrentNumberFormat, id);
s.CurrentNumberFormat = (NanoXLSX.Style.Style.NumberFormat)GetComponentByHash(ref numberFormats, temp);
styles.Add(s);
}
Reorganize(ref styles);
hash = s.CalculateHash();
}
return(hash);
}
/// <summary>
/// Adds a style component to the manager with an ID
/// </summary>
/// <param name="style">Component to add</param>
/// <param name="id">Id of the component</param>
/// <returns>Hash of the added or determined component</returns>
private string AddStyleComponent(AbstractStyle style, int?id)
{
style.InternalID = id;
return(AddStyleComponent(style));
}
