void CheckCurrentState(string expression, FindFlags flags, SearchFilter filter)
{
if (this.expression != expression || this.flags != flags || this.filter != filter)
{
this.expression = expression;
this.flags = flags;
this.filter = filter;
this.list = null;
this.match = null;
}
}
public FindResult FindNext(string expression, FindFlags flags, SearchFilter filter)
{
CheckCurrentState(expression, flags, filter);
if (ev != null && ev.IsEditing)
{
start = ev.SelectionStart; // remember where we were in the editor.
ev.EndEdit(false);
}
this.ev = null;
this.match = null;
if (string.IsNullOrEmpty(expression))
{
return(FindResult.None);
}
if (this.list == null)
{
FindNodes();
}
// In case user changed the selection since the last find.
int pos = FindSelectedNode();
int wrap = -1;
bool first = true;
bool hasSomething = this.list.Count > 0;
while (this.list != null && hasSomething &&
(first || pos != wrap))
{
first = false;
if (wrap == -1)
{
wrap = pos;
}
if (this.Backwards)
{
pos--;
if (pos < 0)
{
pos = list.Count - 1;
}
}
else
{
pos++;
if (pos >= list.Count)
{
pos = 0;
}
}
XmlNodeMatch m = list[pos] as XmlNodeMatch;
XmlNode node = m.Node;
this.match = m;
if (node != null)
{
this.current = this.view.FindNode(node);
if (this.current == this.view.SelectedNode)
{
continue;
}
if (this.current != null)
{
this.view.SelectedNode = this.current;
if (m.IsName)
{
ev = this.view.TreeView;
}
else
{
ev = this.view.NodeTextView;
}
if (ev.BeginEdit(null))
{
ev.SelectText(m.Index, m.Length);
}
}
}
return(FindResult.Found);
}
return(hasSomething ? FindResult.NoMore : FindResult.None);
}
void CheckCurrentState(string expression, FindFlags flags, SearchFilter filter)
{
if (this.expression != expression || this.flags != flags || this.filter != filter) {
this.expression = expression;
this.flags = flags;
this.filter = filter;
this.list = null;
this.match = null;
}
}
public FindResult FindNext(string expression, FindFlags flags, SearchFilter filter)
{
CheckCurrentState(expression, flags, filter);
this._match = null;
if (string.IsNullOrEmpty(expression))
{
return(FindResult.None);
}
if (this._list == null)
{
FindNodes();
this._position = -1;
this._start = -1; // we have not yet moved to one of the found nodes.
}
else if (this._resetPosition)
{
this._resetPosition = false;
FindNodes();
if (this._start >= _list.Count)
{
this._start = _list.Count - 1;
}
if (this._position >= _list.Count)
{
this._position = _list.Count - 1;
}
}
int s = this._start;
bool first = (this._start == -1);
var rc = FindSelectedNode();
int pos = rc.Item1;
bool exact = rc.Item2;
if (pos != this._position)
{
// user has moved the selection somewhere else, so start the find ring over again.
first = true;
}
bool hasSomething = this._list != null && this._list.Count > 0;
while (hasSomething)
{
if (this.Backwards)
{
pos--;
if (pos < 0)
{
pos = _list.Count - 1;
}
}
else
{
pos++;
if (pos >= _list.Count)
{
pos = 0;
}
}
if (first)
{
this._start = s = pos;
first = false;
}
else if (pos == this._start)
{
// we have wrapped around!
break;
}
this._position = pos;
XmlNodeMatch m = _list[pos] as XmlNodeMatch;
if (m.Replaced)
{
continue;
}
XmlNode node = m.Node;
this._match = m;
if (node != null)
{
this._current = this._view.FindNode(node);
if (this._current != null)
{
this._view.SelectedNode = this._current;
if (m.IsName)
{
_ev = this._view.TreeView;
}
else
{
_ev = this._view.NodeTextView;
}
if (_ev.BeginEdit(null))
{
_ev.SelectText(m.Index, m.Length);
}
}
}
return(FindResult.Found);
}
this._start = -1; // get ready for another cycle around.
return(hasSomething ? FindResult.NoMore : FindResult.None);
}
public FindResult FindNext(string expression, FindFlags flags, SearchFilter filter)
{
CheckCurrentState(expression, flags, filter);
if (ev != null && ev.IsEditing) {
start = ev.SelectionStart; // remember where we were in the editor.
ev.EndEdit(false);
}
this.ev = null;
this.match = null;
if (string.IsNullOrEmpty(expression))
return FindResult.None;
if (this.list == null) {
FindNodes();
}
// In case user changed the selection since the last find.
int pos = FindSelectedNode();
int wrap = -1;
bool first = true;
bool hasSomething = this.list.Count > 0;
while (this.list != null && hasSomething &&
(first || pos != wrap)) {
first = false;
if (wrap == -1) wrap = pos;
if (this.Backwards) {
pos--;
if (pos < 0) pos = list.Count - 1;
} else {
pos++;
if (pos >= list.Count) pos = 0;
}
XmlNodeMatch m = list[pos] as XmlNodeMatch;
XmlNode node = m.Node;
this.match = m;
if (node != null) {
this.current = this.view.FindNode(node);
if (this.current == this.view.SelectedNode) {
continue;
}
if (this.current != null) {
this.view.SelectedNode = this.current;
if (m.IsName) {
ev = this.view.TreeView;
} else {
ev = this.view.NodeTextView;
}
if (ev.BeginEdit(null)) {
ev.SelectText(m.Index, m.Length);
}
}
}
return FindResult.Found;
}
return hasSomething ? FindResult.NoMore : FindResult.None;
}
