protected override void OnStart(AppHost host)
{
var listview = new LayoutFarm.CustomWidgets.ListView(300, 400);
listview.SetLocation(10, 10);
listview.BackColor = KnownColors.FromKnownColor(KnownColor.LightGray);
//add list view to viewport
host.AddChild(listview);
//add
RequestFont listItemFont = new RequestFont("tahoma", 18);
for (int i = 0; i < 10; ++i)
{
var listItem = new LayoutFarm.CustomWidgets.ListItem(400, 20);
if ((i % 2) == 0)
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.OrangeRed);
}
else
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.Orange);
}
listItem.SetFont(listItemFont);
listItem.Text = "A" + i;
listview.AddItem(listItem);
}
}
void UpdateSuggestionList()
{
//find suggestion words
this.currentLocalText = null;
listView.ClearItems();
if (textbox.CurrentTextSpan == null)
{
listView.Visible = false;
return;
}
//-------------------------------------------------------------------------
//simple parse ...
//In this example all country name start with Captial letter so ...
string currentTextSpanText = textbox.CurrentTextSpan.GetText().ToUpper();
//analyze content
char[] textBuffer = currentTextSpanText.ToCharArray();
var results = new List <LayoutFarm.Composers.TextSplitBound>();
results.AddRange(textbox.TextSplitter.ParseWordContent(textBuffer, 0, textBuffer.Length));
//get last part of splited text
int m = results.Count;
if (m < 1)
{
return;
}
Composers.TextSplitBound lastSplitPart = results[m - 1];
this.currentLocalText = GetString(textBuffer, lastSplitPart);
//char firstChar = currentTextSpanText[0];
char firstChar = currentLocalText[0];
List <string> keywords;
if (words.TryGetValue(firstChar, out keywords))
{
int j = keywords.Count;
int listViewWidth = listView.Width;
for (int i = 0; i < j; ++i)
{
string choice = keywords[i].ToUpper();
if (choice.StartsWith(currentLocalText))
{
CustomWidgets.ListItem item = new CustomWidgets.ListItem(listViewWidth, 17);
item.BackColor = Color.LightGray;
item.Tag = item.Text = keywords[i];
listView.AddItem(item);
}
}
}
if (listView.ItemCount > 0)
{
listView.Visible = true;
}
else
{
listView.Visible = false;
}
//-------------------------------------------------------------------------
}
protected override void OnStartDemo(SampleViewport viewport)
{
var listview = new LayoutFarm.CustomWidgets.ListView(300, 400);
listview.SetLocation(10, 10);
listview.BackColor = KnownColors.FromKnownColor(KnownColor.LightGray);
viewport.AddContent(listview);
//add
for (int i = 0; i < 10; ++i)
{
var listItem = new LayoutFarm.CustomWidgets.ListItem(400, 20);
if ((i % 2) == 0)
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.OrangeRed);
}
else
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.Orange);
}
listview.AddItem(listItem);
}
}
protected override void OnStartDemo(SampleViewport viewport)
{
var listview = new LayoutFarm.CustomWidgets.ListView(300, 400);
listview.SetLocation(10, 10);
listview.BackColor = KnownColors.FromKnownColor(KnownColor.LightGray);
viewport.AddContent(listview);
//add
for (int i = 0; i < 10; ++i)
{
var listItem = new LayoutFarm.CustomWidgets.ListItem(400, 20);
if ((i % 2) == 0)
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.OrangeRed);
}
else
{
listItem.BackColor = KnownColors.FromKnownColor(KnownColor.Orange);
}
listview.AddItem(listItem);
}
}
void UpdateSuggestionList()
{
//find suggestion words
this.currentLocalText = null;
listView.ClearItems();
Text.EditableRun currentSpan = textbox.CurrentTextSpan;
if (currentSpan == null)
{
listView.Visible = false;
return;
}
//-------------------------------------------------------------------------
//sample parse ...
//In this example all country name start with Captial letter so ...
//try to get underlining text
//int startAt, len;
//textbox.FindCurrentUnderlyingWord(out startAt, out len);
string currentTextSpanText = currentSpan.GetText().ToUpper();
//analyze content
char[] textBuffer = currentTextSpanText.ToCharArray();
_textSplitBoundsList.Clear();
_textSplitBoundsList.AddRange(textbox.TextSplitter.ParseWordContent(textBuffer, 0, textBuffer.Length));
//get last part of splited text
int m = _textSplitBoundsList.Count;
if (m < 1)
{
return;
}
int splitBoundIndex = GetProperSplitBoundIndex(_textSplitBoundsList, textbox.CurrentLineCharIndex);
if (splitBoundIndex < 0)
{
return;
}
//find current split bounds
Composers.TextSplitBound selectBounds = _textSplitBoundsList[splitBoundIndex];
this.currentLocalText = GetString(textBuffer, selectBounds);
char firstChar = currentLocalText[0];
List <string> keywords;
if (words.TryGetValue(firstChar, out keywords))
{
int j = keywords.Count;
int listViewWidth = listView.Width;
for (int i = 0; i < j; ++i)
{
string choice = keywords[i].ToUpper();
if (StringStartsWithChars(choice, currentLocalText))
{
CustomWidgets.ListItem item = new CustomWidgets.ListItem(listViewWidth, 17);
item.BackColor = Color.LightGray;
item.Tag = item.Text = keywords[i];
listView.AddItem(item);
}
}
}
if (listView.ItemCount > 0)
{
listView.Visible = true;
//TODO: implement selectedIndex suggestion hint here ***
listView.SelectedIndex = 0;
//move listview under caret position
var caretPos = textbox.CaretPosition;
//temp fixed
//TODO: review here
listView.SetLocation(textbox.Left + caretPos.X, textbox.Top + caretPos.Y + 20);
listView.EnsureSelectedItemVisible();
}
else
{
listView.Visible = false;
}
//-------------------------------------------------------------------------
}
