internal static void InsertChar(char c, ref char deletedChar, QText tb)
{
switch (c)
{
case '\n':
if (tb.LinesCount == 0) InsertLine(tb);
InsertLine(tb);
break;
case '\r': break;
case '\b'://backspace
if (tb.Selection.Start.iChar == 0 && tb.Selection.Start.iLine == 0) return;
if (tb.Selection.Start.iChar == 0)
{
if (tb[tb.Selection.Start.iLine - 1].VisibleState != VisibleState.Visible) tb.ExpandBlock(tb.Selection.Start.iLine - 1);
deletedChar = '\n';
MergeLines(tb.Selection.Start.iLine - 1, tb);
}
else
{
deletedChar = tb[tb.Selection.Start.iLine][tb.Selection.Start.iChar - 1].c;
tb[tb.Selection.Start.iLine].RemoveAt(tb.Selection.Start.iChar - 1);
tb.Selection.Start = new Place(tb.Selection.Start.iChar - 1, tb.Selection.Start.iLine);
}
break;
default:
tb[tb.Selection.Start.iLine].Insert(tb.Selection.Start.iChar, new Char(c));
tb.Selection.Start = new Place(tb.Selection.Start.iChar + 1, tb.Selection.Start.iLine);
break;
}
}
internal AutoCompleteListView(QText tb)
{
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint, true);
base.Font = new Font(FontFamily.GenericSansSerif, 9);
visibleItems = new List<AutoCompleteItem>();
itemHeight = Font.Height + 2;
VerticalScroll.SmallChange = itemHeight;
BackColor = Color.White;
MaximumSize = new Size(Size.Width, 180);
toolTip.ShowAlways = false;
AppearInterval = 500;
timer.Tick += new EventHandler(timer_Tick);
this.tb = tb;
tb.KeyDown += new KeyEventHandler(tb_KeyDown);
tb.SelectionChanged += new EventHandler(tb_SelectionChanged);
tb.KeyPressed += new KeyPressEventHandler(tb_KeyPressed);
Form form = tb.FindForm();
if (form != null)
{
form.LocationChanged += (o, e) => Menu.Close();
form.ResizeBegin += (o, e) => Menu.Close();
form.FormClosing += (o, e) => Menu.Close();
form.LostFocus += (o, e) => Menu.Close();
}
tb.LostFocus += (o, e) =>
{
if (!Menu.Focused) Menu.Close();
};
tb.Scroll += (o, e) => Menu.Close();
}
internal static void BreakLines(int iLine, int pos, QText tb)
{
Line newLine = new Line(tb.GenerateUniqueLineId());
for (int i = pos; i < tb[iLine].Count; i++)
newLine.Add(tb[iLine][i]);
tb[iLine].RemoveRange(pos, tb[iLine].Count - pos);
tb.InsertLine(iLine + 1, newLine);
}
public ReplaceTextCommand(QText tb, List<Range> ranges, string insertedText)
: base(tb)
{
this.ranges = ranges;
this.insertedText = insertedText;
sel = tb.Selection.Clone();
sel.SelectAll();
}
public AutoCompleteMenu(QText tb)
{
// create a new popup and add the list view to it
AutoClose = false;
AutoSize = false;
Margin = Padding.Empty;
Padding = Padding.Empty;
listView = new AutoCompleteListView(tb);
host = new ToolStripControlHost(listView);
host.Margin = new Padding(2, 2, 2, 2);
host.Padding = Padding.Empty;
host.AutoSize = false;
host.AutoToolTip = false;
CalcSize();
base.Items.Add(host);
SearchPattern = @"[\w\.]";
MinFragmentLength = 2;
}
internal static void InsertText(string insertedText, QText tb)
{
try
{
tb.Selection.BeginUpdate();
char cc = '\x0';
if (tb.LinesCount == 0)
InsertCharCommand.InsertLine(tb);
tb.ExpandBlock(tb.Selection.Start.iLine);
foreach (char c in insertedText)
InsertCharCommand.InsertChar(c, ref cc, tb);
tb.needRecalc = true;
}
finally
{
tb.Selection.EndUpdate();
}
}
internal static void ClearSelected(QText tb)
{
Place start = tb.Selection.Start;
Place end = tb.Selection.End;
int fromLine = Math.Min(end.iLine, start.iLine);
int toLine = Math.Max(end.iLine, start.iLine);
int fromChar = tb.Selection.FromX;
int toChar = tb.Selection.ToX;
if (fromLine < 0) return;
//
if (fromLine == toLine)
tb[fromLine].RemoveRange(fromChar, toChar - fromChar);
else
{
tb[fromLine].RemoveRange(fromChar, tb[fromLine].Count - fromChar);
tb[toLine].RemoveRange(0, toChar);
tb.RemoveLine(fromLine + 1, toLine - fromLine - 1);
InsertCharCommand.MergeLines(fromLine, tb);
}
//
tb.Selection.Start = new Place(fromChar, fromLine);
//
tb.needRecalc = true;
}
internal static void InsertLine(QText tb)
{
if (tb.LinesCount == 0) tb.InsertLine(tb.Selection.Start.iLine + 1, new Line(tb.GenerateUniqueLineId()));
else BreakLines(tb.Selection.Start.iLine, tb.Selection.Start.iChar, tb);
tb.Selection.Start = new Place(0, tb.Selection.Start.iLine + 1);
tb.needRecalc = true;
}
public UndoableCommand(QText tb)
{
this.tb = tb;
sel = tb.Selection.Clone();
}
public string GetHtml(Range r)
{
this.tb = r.tb;
Dictionary<StyleIndex, object> styles = new Dictionary<StyleIndex, object>();
StringBuilder sb = new StringBuilder();
StringBuilder tempSB = new StringBuilder();
StyleIndex currentStyleId = StyleIndex.None;
r.Normalize();
int currentLine = r.Start.iLine;
styles[currentStyleId] = null;
//
if (UseOriginalFont)
sb.AppendFormat("<font style=\"font-family: {0}, monospace; font-size: {1}px; line-height: {2}px;\">", r.tb.Font.Name, r.tb.CharHeight - r.tb.LineInterval, r.tb.CharHeight);
//
bool hasNonSpace = false;
foreach (Place p in r)
{
Char c = r.tb[p.iLine][p.iChar];
if (c.style != currentStyleId)
{
Flush(sb, tempSB, currentStyleId);
currentStyleId = c.style;
styles[currentStyleId] = null;
}
if (p.iLine != currentLine)
{
for (int i = currentLine; i < p.iLine; i++)
tempSB.AppendLine(UseBr ? "<br>" : "");
currentLine = p.iLine;
hasNonSpace = false;
}
switch (c.c)
{
case ' ':
if ((hasNonSpace || !UseForwardNbsp) && !UseNbsp)
goto default;
tempSB.Append(" ");
break;
case '<':
tempSB.Append("<"); break;
case '>':
tempSB.Append(">"); break;
case '&':
tempSB.Append("&"); break;
default:
hasNonSpace = true;
tempSB.Append(c.c); break;
}
}
Flush(sb, tempSB, currentStyleId);
if (UseOriginalFont)
sb.AppendLine("</font>");
//build styles
if (UseStyleTag)
{
tempSB.Length = 0;
tempSB.AppendLine("<style type=\"text/css\">");
foreach (var styleId in styles.Keys)
tempSB.AppendFormat(".fctb{0}{{ {1} }}\r\n", GetStyleName(styleId), GetCss(styleId));
tempSB.AppendLine("</style>");
sb.Insert(0, tempSB.ToString());
}
return sb.ToString();
}
public string GetHtml(QText tb)
{
this.tb = tb;
Range sel = new Range(tb);
sel.SelectAll();
return GetHtml(sel);
}
protected virtual void AddVisualMarker(QText tb, StyleVisualMarker marker)
{
tb.AddVisualMarker(marker);
}
public virtual void OnVisualMarkerClick(QText tb, VisualMarkerEventArgs args)
{
if (VisualMarkerClick != null)
VisualMarkerClick(tb, args);
}
public ClearSelectedCommand(QText tb)
: base(tb)
{
}
internal static void MergeLines(int i, QText tb)
{
if (i + 1 >= tb.LinesCount) return;
tb.ExpandBlock(i);
tb.ExpandBlock(i + 1);
int pos = tb[i].Count;
//
if (tb[i].Count == 0)
tb.RemoveLine(i);
else
if (tb[i + 1].Count == 0)
tb.RemoveLine(i + 1);
else
{
tb[i].AddRange(tb[i + 1]);
tb.RemoveLine(i + 1);
}
tb.Selection.Start = new Place(pos, i);
tb.needRecalc = true;
}
void DoAutocomplete(QText tb)
{
visibleItems.Clear();
selectedItemIndex = 0;
VerticalScroll.Value = 0;
//get fragment around caret
Range fragment = tb.Selection.GetFragment(Menu.SearchPattern);
string text = fragment.Text;
//calc screen point for popup menu
Point point = tb.PlaceToPoint(fragment.End);
point.Offset(2, tb.CharHeight);
//
if (text.Length >= Menu.MinFragmentLength && tb.Selection.Start == tb.Selection.End)
{
Menu.Fragment = fragment;
bool foundSelected = false;
//build popup menu
foreach (var item in sourceItems)
{
item.Parent = Menu;
CompareResult res = item.Compare(text);
if (res != CompareResult.Hidden)
visibleItems.Add(item);
if (res == CompareResult.VisibleAndSelected && !foundSelected)
{
foundSelected = true;
selectedItemIndex = visibleItems.Count - 1;
}
}
if (foundSelected)
{
AdjustScroll();
DoSelectedVisible();
}
}
//show popup menu
if (Count > 0)
{
if (!Menu.Visible)
{
//prevSelection = tb.Selection.Start;
Menu.Show(tb, point);
}
else
Invalidate();
}
else
Menu.Close();
}
public InsertTextCommand(QText tb, string insertedText)
: base(tb)
{
this.insertedText = insertedText;
}
public InsertCharCommand(QText tb, char c)
: base(tb)
{
this.c = c;
}