public void NewLayer(double PixelHeight, double PixelWidth)
{
string layerName = "NewLayer" + LayersWidgets.Count;
var layer = new Layer(layerName, PixelWidth, PixelHeight, 1, 1, 1, 2, 1);
mainCanvas.Children.Add(layer);
LayersWidgets.Add(layer.Widget);
layer.Background = new SolidColorBrush(Colors.White);
// Replace layer to top of the list
LayerWidget last = LayersWidgets.Last();
for (int i = LayersWidgets.Count - 1; i > 0; i--)
{
LayersWidgets[i] = LayersWidgets[i - 1];
}
LayersWidgets[0] = last;
if (widgetsCanvas.Items.Count > 0)
{
widgetsCanvas.SelectedIndex = 0;
}
GlobalState.LayersCount = mainCanvas.Children.Count;
widgetsCanvas.SelectedIndex = GlobalState.LayersCount;
GlobalState.CurrentLayerIndex = widgetsCanvas.SelectedIndex;
}
private void DeleteLayer_Click(object sender, RoutedEventArgs e)
{
int index = GlobalState.CurrentLayerIndex;
if (LayersWidgets.Count > 0 && index <= LayersWidgets.Count)
{
var layer = LayersWidgets[index].ThisLayer;
LayerWidget widget = layer.Widget;
layer.Children.Clear();
mainCanvas.Children.Remove(layer);
LayersWidgets.Remove(widget);
widgetsCanvas.Items.Refresh();
if (index != 0)
{
widgetsCanvas.SelectedIndex = GlobalState.CurrentLayerIndex = index - 1;
}
else
{
widgetsCanvas.SelectedIndex = GlobalState.CurrentLayerIndex = 0;
}
}
GlobalState.LayersCount = mainCanvas.Children.Count;
UpdateLayersZIndex();
}
/// <summary>
/// Добавление нового слоя на холст и обновление коллекции виджетов
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LayerAdd_Click(object sender, RoutedEventArgs e)
{
var layer = new LayerControl();
MainCanvas.Children.Add(layer);
LayersWidgets.Add(layer.Widget);
// Перемещение элемента в самый верх списка, для наглядности отображения верхних слоев пользователю
LayerWidget last = LayersWidgets.Last();
for (int i = LayersWidgets.Count - 1; i > 0; i--)
{
LayersWidgets[i] = LayersWidgets[i - 1];
}
LayersWidgets[0] = last;
GlobalState.LayersIndexes++;
if (LayerList.Items.Count > 0)
{
LayerList.SelectedIndex = 0;
}
layer.CheckedChanged += SelectLayer;
layer.Delete += DeleteLayer;
}
/// <summary>
/// new layer
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LayerAdd_Click(object sender, RoutedEventArgs e)
{
var layer = new LayerControl();
MainCanvas.Children.Add(layer);
LayersWidgets.Add(layer.Widget);
// new level ZOrder to top
LayerWidget last = LayersWidgets.Last();
for (int i = LayersWidgets.Count - 1; i > 0; i--)
{
LayersWidgets[i] = LayersWidgets[i - 1];
}
LayersWidgets[0] = last;
GlobalState.LayersIndexes++;
if (LayerList.Items.Count > 0)
{
LayerList.SelectedIndex = 0;
}
layer.CheckedChanged += SelectLayer;
layer.Delete += DeleteLayer;
}
// LAYERS SWAP / OPACITY
private void SwapLayers(int curIndx, int nextIndx)
{
LayerWidget curWidget = LayersWidgets[curIndx];
LayerWidget nextWidget = LayersWidgets[nextIndx];
LayersWidgets[curIndx] = LayersWidgets[nextIndx];
LayersWidgets[nextIndx] = curWidget;
UpdateLayersZIndex();
GlobalState.CurrentLayerIndex = nextIndx;
widgetsCanvas.SelectedIndex = GlobalState.CurrentLayerIndex;
}
/// <summary>
/// Обмен слоев местами
/// </summary>
/// <param name="curIndx">Индекс выделенного слоя</param>
/// <param name="nextIndx">Индекс обмениваемого слоя</param>
private void SwapLayers(int curIndx, int nextIndx)
{
LayerWidget curWidget = LayersWidgets[curIndx];
LayerWidget nextWidget = LayersWidgets[nextIndx];
LayersWidgets[curIndx] = LayersWidgets[nextIndx];
LayersWidgets[nextIndx] = curWidget;
LayerList.SelectedIndex = nextIndx;
int curZIndex = Panel.GetZIndex(MainCanvas.Children[curWidget.ThisLayer.LayerIndex]);
int nextZIndex = Panel.GetZIndex(MainCanvas.Children[nextWidget.ThisLayer.LayerIndex]);
Panel.SetZIndex(MainCanvas.Children[curWidget.ThisLayer.LayerIndex], nextZIndex);
Panel.SetZIndex(MainCanvas.Children[nextWidget.ThisLayer.LayerIndex], curZIndex);
}
/// <summary>
/// Изменение фокуса слоя, выделенного в отображаемом списке виджетов
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LayerList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (LayerList.SelectedItems.Count > 0)
{
LayerWidget selectedWidget = LayersWidgets[LayerList.SelectedIndex];
UIElement layer = MainCanvas.Children[selectedWidget.ThisLayer.LayerIndex];
layer.Focus();
foreach (LayerControl child in MainCanvas.Children)
{
if (child != layer)
{
child.NonFocus(null, null);
}
}
}
}
private void LayerList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (LayerList.SelectedItems.Count > 0)
{
LayerWidget selectedWidget = LayersWidgets[LayerList.SelectedIndex];
object layer = null;
if (MainCanvas.Children.Count > selectedWidget.ThisLayer.LayerIndex)
{
layer = MainCanvas.Children[selectedWidget.ThisLayer.LayerIndex];
}
if (layer != null && layer is UIElement)
{
(layer as UIElement).Focus();
}
else
{
return;
}
foreach (var child in MainCanvas.Children)
{
if (child is LayerControl && child != layer)
{
LayerControl layCtrl = child as LayerControl;
layCtrl.NonFocus(null, null);
}
}
}
if (LayersWidgets.Count == 0)
{
return;
}
if (LayerList.SelectedIndex < 0)
{
LayerList.SelectedIndex = 0;
}
var selectedObj = LayersWidgets[LayerList.SelectedIndex];
var host = selectedObj.ThisLayer.VisualHost;
SizeX.Text = Math.Round(host.SpaceSize.Width, 0).ToString();
SizeY.Text = Math.Round(host.SpaceSize.Height, 0).ToString();
}
