private ContextMenu CreateItemContextMenu(Project1UIDesignItem item)
{
var menu = new ContextMenu();
var itemRemove = new MenuItem();
var controlPoint = item.RenderTransform as TranslateTransform;
itemRemove.Header = "删除此元素";
itemRemove.Click += (s, e) =>
{
Children.Remove(item);
};
var itemHcenter = new MenuItem();
itemHcenter.Header = "水平居中";
itemHcenter.Click += (s, e) =>
{
controlPoint.X = this.ActualWidth / 2 - item.ActualWidth / 2;
};
var itemVcenter = new MenuItem();
itemVcenter.Header = "垂直居中";
itemVcenter.Click += (s, e) =>
{
controlPoint.Y = this.ActualHeight / 2 - item.ActualHeight / 2;
};
menu.Items.Add(itemRemove);
menu.Items.Add(itemHcenter);
menu.Items.Add(itemVcenter);
return(menu);
}
private void HandleItem(Project1UIDesignItem item)
{
item.ControlPointMouseDown += Control_ControlPointMouseDown;
item.ControlPointMouseUp += Control_ControlPointMouseUp;
item.MouseLeftButtonUp += Control_MouseLeftButtonUp;
item.MouseMove += Control_MouseMove;
item.MouseLeave += Control_MouseLeave;
item.MouseLeftButtonDown += Control_MouseLeftButtonDown;
item.MouseRightButtonUp += Control_MouseRightButtonUp;
item.ContextMenu = CreateItemContextMenu(item);
}
private ContextMenu CreateItemContextMenu(Project1UIDesignItem item)
{
var menu = new ContextMenu();
var itemRemove = new MenuItem();
var controlPoint = item.RenderTransform as TranslateTransform;
itemRemove.Header = $"{Application.Current.Resources["Lang_Delete"]}";
itemRemove.Click += (s, e) =>
{
Children.Remove(item);
};
var itemHcenter = new MenuItem();
itemHcenter.Header = $"{Application.Current.Resources["Lang_HorizontalCenter"]}";
itemHcenter.Click += (s, e) =>
{
controlPoint.X = this.ActualWidth / 2 - item.ActualWidth / 2;
};
var itemVcenter = new MenuItem();
itemVcenter.Header = $"{Application.Current.Resources["Lang_VerticalCenter"]}";
itemVcenter.Click += (s, e) =>
{
controlPoint.Y = this.ActualHeight / 2 - item.ActualHeight / 2;
};
var itemAtt = new MenuItem();
itemAtt.Header = $"{Application.Current.Resources["Lang_Attribute"]}";
itemAtt.Click += (s, e) =>
{
item.OpenAttPopup();
};
menu.Items.Add(itemRemove);
menu.Items.Add(itemHcenter);
menu.Items.Add(itemVcenter);
menu.Items.Add(itemAtt);
return(menu);
}
public void ImportElements(List <ElementModel> elements)
{
if (elements != null)
{
foreach (var element in elements)
{
var item = new Project1UIDesignItem();
var itemModel = item.DataContext as DesignItemModel;
var controlPoint = item.RenderTransform as TranslateTransform;
//分配共用的属性
itemModel.Width = element.Width;
itemModel.Height = element.Height;
itemModel.Opacity = element.Opacity;
controlPoint.X = element.X;
controlPoint.Y = element.Y;
//分配独有的属性
switch (element.Type)
{
case DesignItemType.Button:
var button = new Project1UIButton();
if (element.Style != null)
{
var res = this.TryFindResource(element.Style);
if (res != null)
{
button.Style = res as Style;
}
else
{
res = this.TryFindResource("default");
if (res != null)
{
button.Style = res as Style;
}
}
}
itemModel.ButtonText = element.Text;
itemModel.ButtonStyleName = element.Style;
itemModel.IsFontBold = element.IsTextBold;
itemModel.FontSize = element.FontSize;
itemModel.Command = element.Command;
item.Content = button;
break;
case DesignItemType.Image:
var image = new Image();
itemModel.Image = element.Image;
item.Content = image;
break;
case DesignItemType.Text:
var text = new TextBlock();
itemModel.Text = element.Text;
itemModel.TextColor = element.TextColor;
itemModel.IsFontBold = element.IsTextBold;
itemModel.FontSize = element.FontSize;
item.Content = text;
break;
}
//将生成的元素加入设计容器界面
HandleItem(item);
this.Children.Add(item);
}
}
}
private ContextMenu CreateContextMenu()
{
var menu = new ContextMenu();
var itemAdd = new MenuItem();
itemAdd.Header = "添加元素";
//图片
var itemAddImage = new MenuItem();
itemAddImage.Header = "图片";
itemAddImage.Click += (s, e) =>
{
var item = new Project1UIDesignItem();
var data = item.DataContext as DesignItemModel;
data.Image = "pack://application:,,,/Project1.UI;component/Assets/Images/sunglasses.png";
data.Width = 100;
data.Height = 100;
var image = new Image();
//image.Source = new BitmapImage(new Uri("pack://application:,,,/Project1.UI;component/Assets/Images/sunglasses.png", UriKind.RelativeOrAbsolute));
item.Content = image;
HandleItem(item);
this.Children.Add(item);
};
//按钮
var itemAddButton = new MenuItem();
itemAddButton.Header = "按钮";
itemAddButton.Click += (s, e) =>
{
var item = new Project1UIDesignItem();
var data = item.DataContext as DesignItemModel;
data.ButtonText = "按钮";
data.Width = 100;
data.Height = 25;
var element = new Project1UIButton();
item.Content = element;
HandleItem(item);
this.Children.Add(item);
};
//文本
var itemAddText = new MenuItem();
itemAddText.Header = "文本";
itemAddText.Click += (s, e) =>
{
var item = new Project1UIDesignItem();
var data = item.DataContext as DesignItemModel;
data.Text = "文本";
data.Width = 100;
data.Height = 25;
var element = new TextBlock();
element.TextWrapping = TextWrapping.Wrap;
item.Content = element;
HandleItem(item);
this.Children.Add(item);
};
//属性编辑
var itemAttr = new MenuItem();
itemAttr.Header = "属性";
itemAttr.Click += (s, e) =>
{
isContextMenuOpen = true;
attrPopup.IsOpen = true;
};
itemAdd.Items.Add(itemAddText);
itemAdd.Items.Add(itemAddImage);
itemAdd.Items.Add(itemAddButton);
menu.Items.Add(itemAdd);
menu.Items.Add(itemAttr);
return(menu);
}