/// <summary>
/// Returns an HTMLElementDictionary containing references to all
/// "a" tags in the current document where the element class is
/// wlwStaticLink
/// </summary>
public HTMLElementDictionary getStaticLinksDictionary()
{
var output = new HTMLElementDictionary();
foreach (IHTMLElement element in _anchorCollection)
{
if (element.className == AnchorClass.wlwStaticLink.ToString())
{
output.Add(element.id, element);
}
}
return output;
}
public override DialogResult CreateContent(IWin32Window dialogOwner, ref string content)
{
AnchorData anchorData = new AnchorData();
IHTMLElement selectedElement;
IHTMLElement selectedAnchor;
// This is passed by ref, and messes with our ability to
// manipulate the editor contents. Zero it out until we're done:
content = "";
WLWEditorContent currentEditor = new WLWEditorContent(dialogOwner.Handle);
_namedAnchorDictionary = currentEditor.getStaticAnchorsDictionary();
_namedLinkDictionary = currentEditor.getStaticLinksDictionary();
// Remember what was selected, in case the user cancels the operation:
string _selectedText = "";
string _selectedHtml = "";
try
{
selectedElement = currentEditor.getSelectedElement();
// Subsequent operations in this scope modify these values in the editor,
// and we need to be able to reset them on cancel:
_selectedText = selectedElement.innerText;
_selectedHtml = selectedElement.outerHTML;
// Processes within THIS call may modify contents of selectedElement.
// This call must FOLLOW CAPTURE of innerText and outerHtml as above:
selectedAnchor = currentEditor.getSelectedAnchor(selectedElement);
anchorData.AnchorClass = AnchorClassSelector.selectByName(selectedAnchor.className);
anchorData.AnchorID = selectedAnchor.id;
anchorData.DisplayText = selectedAnchor.innerText;
/*
* The ID of the anchor that is the target of a static link can be parsed
* from the link ID (composed of anchorID + Link Class Name and possibly
* an integer if more than one link to same anchor)
*/
anchorData.TargetAnchorID = this.getAnchorIDFromLinkID(anchorData.AnchorID);
}
catch (Exception)
{
MessageBox.Show("You cannot attach an anchor to this type of object");
return DialogResult.Cancel;
}
// get string array of anchor names to pass to the Link Editor Form:
string[] anchorNamesArray = new string[_namedAnchorDictionary.Count];
_namedAnchorDictionary.Keys.CopyTo(anchorNamesArray, 0);
using (var editContentForm = new EditContentForm(anchorData, anchorNamesArray))
{
if (editContentForm.ShowDialog() == DialogResult.OK)
{
switch (anchorData.AnchorClass)
{
case AnchorClass.wlwStaticAnchor:
anchorData.AnchorID = this.getUniqueAnchorId(anchorData.AnchorID, selectedAnchor.id);
/*
* Capture the original and new AnchorID/href for updating links which refer to
* the current anchor (in case the AnchorID has been Modified):
*/
string oldAnchorID = selectedAnchor.id;
string oldHref= "#" + oldAnchorID;
string newHref = anchorData.LinkHref;
// Set the new values . . .
selectedAnchor.id = anchorData.AnchorID;
selectedAnchor.innerText = anchorData.DisplayText;
selectedAnchor.className = anchorData.AnchorClass.ToString();
if (oldAnchorID != selectedAnchor.id)
{
// Update any links that refer to the old anchor id:
this.updateLinkReferences(oldHref, newHref);
}
break;
case AnchorClass.wlwStaticLink:
selectedAnchor.id = this.getUniqueLinkId(anchorData, selectedAnchor.id);
selectedAnchor.className = anchorData.AnchorClass.ToString();
selectedAnchor.innerText = anchorData.DisplayText;
IHTMLAnchorElement anchor = (IHTMLAnchorElement)selectedAnchor;
anchor.href = anchorData.LinkHref;
break;
}
}
else
{
// Reset the contents of the originally selected element:
selectedElement.outerHTML = _selectedHtml;
return DialogResult.Cancel;
}
}
// Make sure that the text contained within the anchor is selected in the editor:
currentEditor.MoveSelectionToElementText(selectedAnchor);
if (selectedAnchor.innerText != null)
{
/*
* ref variable content will replace whatever the current selection in the editor
* contains. Make sure the text that is replaced represents the inner text
* of the Anchor Element, or weird shit happens.
*/
content = selectedAnchor.innerText;
}
/*
* These need to be nulled out, because they are not
* re-initialized with successive uses of the plugin:
*/
_namedAnchorDictionary = null;
_namedLinkDictionary = null;
return DialogResult.OK;
}
