public void RemovePageFromBuilder()
{
Debug.Assert(inForm == true, "Page has not been added to builder");
page.SetPageSite(null);
form = null;
inForm = false;
loaded = false;
dirty = false;
uiIndex = -1;
}
///////////////////////////////////////////////////////////////////////////
// Methods
public void AddPageToBuilder(StyleBuilderForm form)
{
Debug.Assert(inForm == false, "Page already added to builder");
if (page == null)
{
CreatePage();
}
this.form = form;
inForm = true;
page.SetPageSite(this);
}
protected int uiIndex; // the page's index within the form UI
///////////////////////////////////////////////////////////////////////////
// Constructor
public StyleBuilderPageSite(Type pageClass)
{
Debug.Assert(pageClass != null, "invalid page class passed to StyleBuilderPageSite");
this.pageClass = pageClass;
page = null;
form = null;
inForm = false;
loaded = false;
dirty = false;
uiIndex = -1;
}
///////////////////////////////////////////////////////////////////////
// Constructor
public StyleBuilderFormContainer(StyleBuilderForm form)
{
this.form = form;
site = new StyleBuilderFormSite(this);
componentCount = 0;
}
///////////////////////////////////////////////////////////////////////////
// IStyleBuilder Implementation
/// <include file='doc\StyleBuilder.uex' path='docs/doc[@for="StyleBuilder.InvokeBuilder"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual bool InvokeBuilder(IntPtr hwndParent, int dwFlags, int dwPages,
string strCaption, string strDocUrl,
Object[] pvarStyle)
{
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "StyleBuilder::IStyleBuilder::InvokeBuilder called");
Debug.Assert((pvarStyle != null) && (pvarStyle.Length == 1) && !Convert.IsDBNull(pvarStyle[0]),
"invalid Style passed to StyleBuilder");
if ((pvarStyle == null) || (pvarStyle.Length == 0) || Convert.IsDBNull(pvarStyle[0]))
{
throw new COMException("Invalid style argument", NativeMethods.E_INVALIDARG);
}
WaitCursor waitCursor = WaitCursor.CreateWaitCursor();
Type styleClass = null;
object styleObject = null;
int styleType = 0;
StyleBuilderForm builderForm = null;
bool result = false;
waitCursor.BeginWaitCursor();
// retrieve the style object and its type
styleClass = pvarStyle[0].GetType();
if (styleClass.Equals(typeof(string)))
{
styleType = StyleBuilderForm.STYLE_TYPE_STRING;
styleObject = Convert.ToString(pvarStyle[0]);
}
else if (styleClass.Equals(typeof(object)))
{
styleObject = pvarStyle[0];
if (styleObject is IHTMLStyle)
{
styleType = StyleBuilderForm.STYLE_TYPE_INLINESTYLE;
}
else if (styleObject is IHTMLRuleStyle)
{
styleType = StyleBuilderForm.STYLE_TYPE_RULESTYLE;
}
else
{
styleObject = null;
}
}
Debug.Assert(styleObject != null, "pvarStyle does not supported style type");
if (styleObject == null)
{
throw new COMException("Invalid style type", NativeMethods.E_INVALIDARG);
}
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "InvokeBuilder: Initializing page list");
// initialize the page list
try {
if (dwPages == 0)
{
dwPages = StyleBuilderStdPage.sbpAllStdPages;
}
InitPages(dwPages);
} catch (Exception e) {
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "Exception caught in InitPages:\n\t" + e.ToString());
throw e;
}
Debug.Assert(GetPageCount() > 0, "Invalid page list passed to StyleBuilder");
if (GetPageCount() <= 0)
{
throw new COMException("Invalid page selection", NativeMethods.E_INVALIDARG);
}
// instantiate the form
builderForm = CreateStyleBuilderForm();
builderForm.Initialize(site, GetPages(), styleObject, styleType,
strCaption,
dwFlags & (StyleBuilderFlags.sbfDefaultCaption |
StyleBuilderFlags.sbfContextCaption |
StyleBuilderFlags.sbfCustomCaption),
strDocUrl);
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "InvokeBuilder: Form initialized");
// now show the form
dialogParent.SetParentHandle(hwndParent);
try {
result = false;
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "About to show dialog...");
if (builderForm.ShowDialog(dialogParent) == DialogResult.OK)
{
if (styleType == StyleBuilderForm.STYLE_TYPE_STRING)
{
// style was a string, put the resulting string back into the object
styleObject = builderForm.GetStyleObject();
Debug.Assert(styleObject != null, "Invalid result style object returned");
pvarStyle[0] = Convert.ToString(styleObject);
}
result = true;
}
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, "StyleBuilder dialog closed");
} catch (Exception e) {
Debug.WriteLineIf(StyleBuilderSwitch.TraceVerbose, e.ToString());
Debug.Fail(e.ToString());
}
UpdatePageCache();
builderForm.Dispose();
builderForm = null;
waitCursor.EndWaitCursor();
return(result);
}
