public static void Drop(ElementEvent evt)
{
evt.StopPropagation();
evt.PreventDefault();
FileList fl = (FileList)Script.Literal("{0}.dataTransfer.files", evt);
if (fl.Length > 0)
{
SetTextBox(fl[0].Name);
for(int x = 0; x<fl.Length; x++)
{
FileHelper.AddFileToUploadQueue(fl[x]);
}
}
}
public void CanvasOnClick(ElementEvent e)
{
e.PreventDefault();
}
public void CanvasMouseUp(ElementEvent e)
{
e.PreventDefault();
}
public void CanvasMouseMove(ElementEvent e)
{
e.PreventDefault();
Document.Body.Style.Cursor = "default";
}
public void handleScroll(ElementEvent e)
{
e.PreventDefault();
}
public void OnTouchMove(ElementEvent e)
{
// Document.Title = "touched by an event ";
TouchEvent ev = (TouchEvent)e;
if (isPintching)
{
PinchMove(ev);
return;
}
ev.PreventDefault();
ev.StopPropagation();
if (mouseDown)
{
dragging = true;
double curX = ev.TargetTouches[0].PageX - lastX;
double curY = ev.TargetTouches[0].PageY - lastY;
Move(curX, curY);
lastX = ev.TargetTouches[0].PageX;
lastY = ev.TargetTouches[0].PageY;
}
else
{
//todo fix this to use syntheszed touch events.
if (uiController != null)
{
if (uiController.MouseMove(this, e))
{
e.PreventDefault();
e.StopPropagation();
return;
}
}
}
}
public void OnPointerMove(ElementEvent e)
{
PointerEvent pe = (PointerEvent)(object)e;
int index = 0;
if (pointerIds[0] == pe.PointerId)
{
index = 0;
}
else
{
if (pointerIds[1] == pe.PointerId)
{
index = 1;
}
else
{
// Not interested in a pointer not on our list
return;
}
}
if (pointerIds[0] != 0 && pointerIds[1] != 0)
{
// Now we know we are zooming...
if (rect[0] != null)
{
double oldDist = GetDistance(rect[0], rect[1]);
rect[index] = Vector2d.Create(e.OffsetX, e.OffsetY);
double newDist = GetDistance(rect[0], rect[1]);
double ratio = oldDist / newDist;
Zoom(ratio);
}
e.StopPropagation();
e.PreventDefault();
}
rect[index] = Vector2d.Create(e.OffsetX, e.OffsetY);
}
public void OnMouseMove(ElementEvent e)
{
lastMouseMove = Date.Now;
hoverTextPoint = Vector2d.Create( Mouse.OffsetX(Canvas, e), Mouse.OffsetY(Canvas, e));
hoverText = "";
if (mouseDown)
{
e.PreventDefault();
e.StopPropagation();
moved = true;
if (e.CtrlKey)
{
Tilt(Mouse.OffsetX(Canvas, e) - lastX, Mouse.OffsetY(Canvas, e) - lastY);
}
else
{
Move(Mouse.OffsetX(Canvas, e) - lastX, Mouse.OffsetY(Canvas, e) - lastY);
}
lastX = Mouse.OffsetX(Canvas, e);
lastY = Mouse.OffsetY(Canvas, e);
}
else
{
if (uiController != null)
{
if (uiController.MouseMove(this, e))
{
e.PreventDefault();
e.StopPropagation();
return;
}
}
}
}
public static void NoOpHandler(ElementEvent evt)
{
evt.StopPropagation();
evt.PreventDefault();
}
public override bool OnKeyDown(ElementEvent e)
{
if (e.AltKey) return false;
if (Focused) {
if (e.CtrlKey) {
if (e.KeyCode == 65) {
DragPosition = 0;
CursorPosition = Text.Length;
} else if (e.KeyCode == 67) {
// _H.copy_to_clipboard(this.text.substring(Math.min(this.cursorPosition, this.dragPosition), Math.max(this.cursorPosition, this.dragPosition)));
} else if (e.KeyCode == 88) {
// _H.copy_to_clipboard(this.text.substring(Math.min(this.cursorPosition, this.dragPosition), Math.max(this.cursorPosition, this.dragPosition)));
Text = Text.Substring(0, Math.Min(CursorPosition, DragPosition)) +
Text.Substring(Math.Max(CursorPosition, DragPosition), Text.Length);
CursorPosition = Math.Min(CursorPosition, DragPosition);
DragPosition = -1;
}
} else if (e.KeyCode == 37) {
if (e.ShiftKey) {
if (DragPosition == -1)
DragPosition = CursorPosition;
CursorPosition = Math.Max(CursorPosition - 1, 0);
} else {
DragPosition = -1;
CursorPosition = Math.Max(CursorPosition - 1, 0);
}
} else if (e.KeyCode == 39) {
if (e.ShiftKey) {
if (DragPosition == -1)
DragPosition = CursorPosition;
CursorPosition = Math.Min(CursorPosition + 1, Text.Length);
} else {
DragPosition = -1;
CursorPosition = Math.Min(CursorPosition + 1, Text.Length);
}
} else {
if (e.KeyCode == 8) {
if (DragPosition == -1)
Text = Text.Substring(0, CursorPosition - 1) + Text.Substring(CursorPosition, Text.Length);
else {
Text = Text.Substring(0, Math.Min(CursorPosition, DragPosition)) +
Text.Substring(Math.Max(CursorPosition, DragPosition), Text.Length);
}
if (DragPosition == -1) {
if (CursorPosition > 0)
CursorPosition--;
} else
CursorPosition = Math.Min(CursorPosition, DragPosition);
} else if (e.KeyCode == 46) {
if (DragPosition == -1)
Text = Text.Substring(0, CursorPosition) + Text.Substring(Math.Min(CursorPosition + 1, Text.Length), Text.Length);
else {
Text = Text.Substring(0, Math.Min(CursorPosition, DragPosition)) +
Text.Substring(Math.Max(CursorPosition, DragPosition), Text.Length);
}
if (DragPosition == -1) {} else
CursorPosition = Math.Min(CursorPosition, DragPosition);
} else {
var m = (char) e.KeyCode;
var t = String.FromCharCode(m);
if (DragPosition == -1)
Text = Text.Substring(0, CursorPosition) + t + Text.Substring(CursorPosition, Text.Length);
else {
Text = Text.Substring(0, Math.Min(CursorPosition, DragPosition)) + t +
Text.Substring(Math.Max(CursorPosition, DragPosition), Text.Length);
}
if (DragPosition == -1)
CursorPosition++;
else
CursorPosition = Math.Max(CursorPosition, DragPosition);
}
DragPosition = -1;
}
if (TextChanged != null)
TextChanged();
e.PreventDefault();
return true;
}
return false;
}
