private void OnOpenXAutoSizeWindowButtonClick(NEventArgs arg)
{
NTopLevelWindow window = new NTopLevelWindow();
window.Modal = true;
// allow the user to resize the Y window dimension
window.AllowYResize = true;
// bind the window Width to the desired width of the window
NBindingFx bindingFx = new NBindingFx(window, NTopLevelWindow.DesiredWidthProperty);
bindingFx.Guard = true;
window.SetFx(NTopLevelWindow.WidthProperty, bindingFx);
// create a wrap flow panel with Y direction
NWrapFlowPanel wrapPanel = new NWrapFlowPanel();
wrapPanel.Direction = ENHVDirection.TopToBottom;
window.Content = wrapPanel;
for (int i = 0; i < 10; i++)
{
wrapPanel.Add(new NButton("Button" + i));
}
// open the window
OwnerWindow.Windows.Add(window);
window.Open();
}
private void OnOpenYAutoSizeWindowButtonClick(NEventArgs arg)
{
NTopLevelWindow window = new NTopLevelWindow();
window.Modal = true;
// allow the user to resize the X window dimension
window.AllowXResize = true;
// bind the window Height to the desired height of the window
NBindingFx bindingFx = new NBindingFx(window, NTopLevelWindow.DesiredHeightProperty);
bindingFx.Guard = true;
window.SetFx(NTopLevelWindow.HeightProperty, bindingFx);
// create a wrap flow panel (by default flows from left to right)
NWrapFlowPanel wrapPanel = new NWrapFlowPanel();
window.Content = wrapPanel;
for (int i = 0; i < 10; i++)
{
wrapPanel.Add(new NButton("Button" + i));
}
// open the window
OwnerWindow.Windows.Add(window);
window.Open();
}
/// <summary>
/// Binds the size of the shape to the embedded widget desired size.
/// </summary>
/// <param name="shape"></param>
private void BindSizeToDesiredSize(NShape shape)
{
NWidget widget = shape.Widget;
// bind shape width to button desired width
NBindingFx bx = new NBindingFx(widget, NButton.DesiredWidthProperty);
bx.Guard = true;
shape.SetFx(NShape.WidthProperty, bx);
// bind shape height to button desired height
NBindingFx by = new NBindingFx(widget, NButton.DesiredHeightProperty);
by.Guard = true;
shape.SetFx(NShape.HeightProperty, by);
shape.AllowResizeX = false;
shape.AllowRotate = false;
shape.AllowResizeY = false;
}
private void OnOpenAutoSizeWindowButtonClick(NEventArgs arg)
{
NTopLevelWindow window = new NTopLevelWindow();
window.Modal = true;
// open the window in the center of its parent,
window.StartPosition = ENWindowStartPosition.CenterOwner;
// implement auto width and height sizing
{
// bind the window Width to the DefaultWidth of the window
NBindingFx widthBindingFx = new NBindingFx(window, NTopLevelWindow.DefaultWidthProperty);
widthBindingFx.Guard = true;
window.SetFx(NTopLevelWindow.WidthProperty, widthBindingFx);
// bind the window Height to the DefaultHeight of the window
NBindingFx heightBindingFx = new NBindingFx(window, NTopLevelWindow.DesiredHeightProperty);
heightBindingFx.Guard = true;
window.SetFx(NTopLevelWindow.HeightProperty, heightBindingFx);
}
// implement auto center
{
// scratch X and Y define the window center
// they are implemented by simply calculating the center X and Y via formulas
window.SetFx(NScratchPropertyEx.XPropertyEx, "X+Width/2");
window.SetFx(NScratchPropertyEx.YPropertyEx, "Y+Height/2");
// now that we have an automatic center, we need to write expressions that define the X and Y from that center.
// These are cyclic expressions - CenterX depends on X, and X depends on CenterX.
// The expressions that are assigned to X and Y are guarded and permeable.
// guard is needed because X and Y are updated when the user moves the window around.
// permeable is needed to allow the X and Y values to change when the user moves the window around.
// When the the X and Y values change -> center changes -> X and Y expressions are triggered but they produce the same X and Y results and the cycle ends.
// When the Width and Height change -> center changes -> X and Y expression are triggered but they produce the same X and Y results and the cycle ends.
NFormulaFx xfx = new NFormulaFx(NScratchPropertyEx.XPropertyEx.Name + "-Width/2");
xfx.Guard = true;
xfx.Permeable = true;
window.SetFx(NTopLevelWindow.XProperty, xfx);
NFormulaFx yfx = new NFormulaFx(NScratchPropertyEx.YPropertyEx.Name + "-Height/2");
yfx.Guard = true;
yfx.Permeable = true;
window.SetFx(NTopLevelWindow.YProperty, yfx);
}
// create a dummy tab that sizes to the currently selected page,
// and add two pages with different sizes to the tab.
NTab tab = new NTab();
window.Content = tab;
tab.SizeToSelectedPage = true;
NTabPage page1 = new NTabPage("Small Content");
NButton btn = new NButton("I am small");
page1.Content = btn;
tab.TabPages.Add(page1);
NTabPage page2 = new NTabPage("Large Content");
NButton btn2 = new NButton("I am LARGE");
btn2.PreferredSize = new NSize(200, 200);
page2.Content = btn2;
tab.TabPages.Add(page2);
// open the window
OwnerWindow.Windows.Add(window);
window.Open();
}
