public override void OnKeyPress(KeyboardEvent pressEvent)
{
if (this["readonly"] != null)
{
return;
}
if (Type == InputType.Number)
{
if (!char.IsNumber(pressEvent.character) && pressEvent.character != '.' && !char.IsControl(pressEvent.character))
{
// Not a number, point or control character. Block it:
return;
}
}
if (pressEvent.heldDown)
{
if (IsTextInput())
{
// Add to value if pwd/text, unless it's backspace:
string value = Value;
if (!char.IsControl(pressEvent.character) && pressEvent.character != '\0')
{
// Drop the character in the string at caretIndex
if (value == null)
{
value = "" + pressEvent.character;
}
else
{
value = value.Substring(0, CaretIndex) + pressEvent.character + value.Substring(CaretIndex, value.Length - CaretIndex);
}
SetValue(value);
MoveCaret(CaretIndex + 1);
return;
}
// Grab the keycode:
KeyCode key = pressEvent.unityKeyCode;
if (key == KeyCode.LeftArrow)
{
MoveCaret(CaretIndex - 1, true);
}
else if (key == KeyCode.RightArrow)
{
MoveCaret(CaretIndex + 1, true);
}
else if (key == KeyCode.Backspace)
{
// Delete the character before the caret.
// Got a selection?
if (Caret != null && Caret.TryDeleteSelection())
{
return;
}
if (string.IsNullOrEmpty(value) || CaretIndex == 0)
{
return;
}
value = value.Substring(0, CaretIndex - 1) + value.Substring(CaretIndex, value.Length - CaretIndex);
int index = CaretIndex;
SetValue(value);
MoveCaret(index - 1);
}
else if (key == KeyCode.Delete)
{
// Delete the character after the caret.
// Got a selection?
if (Caret != null && Caret.TryDeleteSelection())
{
return;
}
if (string.IsNullOrEmpty(value) || CaretIndex == value.Length)
{
return;
}
value = value.Substring(0, CaretIndex) + value.Substring(CaretIndex + 1, value.Length - CaretIndex - 1);
SetValue(value);
}
else if (key == KeyCode.Return || key == KeyCode.KeypadEnter)
{
// Does the form have a submit button? If so, submit now.
// Also call a convenience (non-standard) "onenter" method.
HtmlFormElement f = form;
if (f != null)
{
// Get the first submit button:
HtmlElement submitButton = f.GetSubmitButton();
if (submitButton != null)
{
// Submit it now:
f.submit(submitButton);
}
}
return;
}
else if (key == KeyCode.Home)
{
// Hop to the start:
MoveCaret(0, true);
}
else if (key == KeyCode.End)
{
// Hop to the end:
int maxCaret = 0;
if (value != null)
{
maxCaret = value.Length;
}
MoveCaret(maxCaret, true);
}
}
else if (Type == InputType.Submit)
{
// Submit button.
if (!char.IsControl(pressEvent.character) && pressEvent.character != '\0')
{
return;
}
// Grab the keycode:
KeyCode key = pressEvent.unityKeyCode;
if (key == KeyCode.Return || key == KeyCode.KeypadEnter)
{
// Find the form and then attempt to submit it.
HtmlFormElement f = form;
if (f != null)
{
f.submit(this);
}
}
}
}
base.OnKeyPress(pressEvent);
}
/// <summary>Called when a default key press occurs.</summary>
/// <param name="clickEvent">The event that represents the key press.</param>
public virtual void OnKeyPress(KeyboardEvent pressEvent)
{
}
public override void OnKeyPress(KeyboardEvent pressEvent)
{
if (readOnly)
{
return;
}
if (pressEvent.heldDown)
{
// Add to value unless it's backspace:
string value = this.value;
if (!char.IsControl(pressEvent.character) && pressEvent.character != '\0')
{
// Drop the character in the string at caretIndex
if (value == null)
{
value = "" + pressEvent.character;
}
else
{
value = value.Substring(0, CaretIndex) + pressEvent.character + value.Substring(CaretIndex, value.Length - CaretIndex);
}
SetValue(value);
MoveCaret(CaretIndex + 1);
return;
}
// It's a command character:
KeyCode key = pressEvent.unityKeyCode;
if (key == KeyCode.LeftArrow)
{
MoveCaret(CaretIndex - 1, true);
}
else if (key == KeyCode.RightArrow)
{
MoveCaret(CaretIndex + 1, true);
}
else if (key == KeyCode.UpArrow)
{
MoveCaret(FindNewline(-1), true);
}
else if (key == KeyCode.DownArrow)
{
MoveCaret(FindNewline(1), true);
}
else if (key == KeyCode.Backspace)
{
// Delete the character before the caret (or the selection, if we have one).
// Got a selection?
if (Caret != null && Caret.TryDeleteSelection())
{
return;
}
if (string.IsNullOrEmpty(value) || CaretIndex == 0)
{
return;
}
int index = CaretIndex;
value = value.Substring(0, index - 1) + value.Substring(index, value.Length - index);
SetValue(value);
MoveCaret(index - 1);
}
else if (key == KeyCode.Delete)
{
// Delete the character after the caret.
// Got a selection?
if (Caret != null && Caret.TryDeleteSelection())
{
return;
}
if (string.IsNullOrEmpty(value) || CaretIndex == value.Length)
{
return;
}
int index = CaretIndex;
value = value.Substring(0, index) + value.Substring(index + 1, value.Length - index - 1);
SetValue(value);
}
else if (key == KeyCode.Home)
{
// Hop to the start:
MoveCaret(0, true);
}
else if (key == KeyCode.End)
{
// Hop to the end:
int maxCaret = 0;
if (value != null)
{
maxCaret = value.Length;
}
MoveCaret(maxCaret, true);
}
else if (key == KeyCode.Return || key == KeyCode.KeypadEnter)
{
// Add a newline
if (value == null)
{
value = "" + pressEvent.character;
}
else
{
value = value.Substring(0, CaretIndex) + '\n' + value.Substring(CaretIndex, value.Length - CaretIndex);
}
SetValue(value);
MoveCaret(CaretIndex + 1);
}
}
base.OnKeyPress(pressEvent);
}
/// <summary>Tells the UI a key was pressed.</summary>
/// <param name="down">True if the key is now down.</param>
/// <param name="keyCode">The keycode of the key</param>
/// <param name="character">The character entered.</param>
/// <returns>True if the UI consumed the keypress.</returns>
public static void OnKeyPress(bool down,char character,int keyCode){
KeyboardEvent e=new KeyboardEvent(keyCode,character,down);
e.SetTrusted();
e.SetModifiers();
e.EventType=down?"keydown":"keyup";
EventTarget target=ActiveReceiver;
// Dispatch the event to the focused element:
if(target.dispatchEvent(e)){
// Run the tag keypress method:
if(target is HtmlElement){
(target as HtmlElement).OnKeyPress(e);
}
// Handle the defaults now:
if(e.heldDown){
// Get the HTML document:
HtmlDocument htmlDoc=(target is Node) ? ((target as Node).document) as HtmlDocument : UI.document;
// Grab the keycode:
KeyCode key=e.unityKeyCode;
if(key==KeyCode.Tab && htmlDoc!=null){
// Tab - hop to next input:
if(e.shiftKey){
htmlDoc.TabPrevious();
}else{
htmlDoc.TabNext();
}
}else if(e.ctrlKey){
if(key==KeyCode.V){
// Run the onpaste function.
// Get the pasted text:
string textToPaste=Clipboard.Paste();
// Fire the event now:
ClipboardEvent ce=new ClipboardEvent("paste",null);
ce.clipboardData.setData("text/plain",textToPaste);
ce.SetTrusted();
target.dispatchEvent(ce);
}else if(key==KeyCode.C && htmlDoc!=null){
// Run the oncopy function.
// Get the selection:
string selection=htmlDoc.window.getSelection().ToString();
if(selection==null){
return;
}
ClipboardEvent ce=new ClipboardEvent("copy",null);
ce.clipboardData.setData("text/plain",selection);
ce.SetTrusted();
if(target.dispatchEvent(ce)){
// Copy to the clipboard now:
Clipboard.Copy(selection);
}
}
}
}
}
}