public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (this.isTemplateApplied) return;
this.nodeProxy = DataContext as INodeProxy;
if (nodeProxy == null)
{
throw new Exception("The DataContext was not a valid NodeProxy");
}
this.imagePart = GetTemplateChild(NodeControl.ImagePartName) as Rectangle;
if (this.imagePart != null)
{
this.imagePart.SetValue(Canvas.LeftProperty, 0.0);
this.imagePart.SetValue(Canvas.TopProperty, 0.0);
ImageBrush nodeImageBrush = this.imagePart.Fill as ImageBrush;
if (nodeImageBrush != null)
{
nodeImageBrush.ImageFailed += new EventHandler<ExceptionRoutedEventArgs>(nodeImageBrush_ImageFailed);
}
}
this.playMediaImagePart = GetTemplateChild(NodeControl.PlayMediaImagePartName) as Rectangle;
if (this.playMediaImagePart != null)
{
this.playMediaImagePart.MouseLeftButtonDown += new MouseButtonEventHandler(playMediaImagePart_MouseLeftButtonUp);
MetadataContext videoSourceKey = new MetadataContext()
{
MetadataName = "Video.Source",
NodeUid = nodeProxy.Id
};
if (nodeProxy.HasMetadata(videoSourceKey) && !string.IsNullOrEmpty(nodeProxy.GetNodeMetadata(videoSourceKey).MetadataValue))
{
this.playMediaImagePart.Visibility = System.Windows.Visibility.Visible;
}
else
{
this.playMediaImagePart.Visibility = System.Windows.Visibility.Collapsed;
}
ImageBrush brush = playMediaImagePart.Fill as ImageBrush;
if (brush != null)
{
brush.ImageFailed += new EventHandler<ExceptionRoutedEventArgs>(brush_ImageFailed);
}
}
this.pauseMediaImagePart = GetTemplateChild(NodeControl.PauseMediaImagePartName) as Rectangle;
if (this.pauseMediaImagePart != null)
{
this.pauseMediaImagePart.MouseLeftButtonDown += new MouseButtonEventHandler(pauseMediaImagePart_MouseLeftButtonUp);
this.pauseMediaImagePart.Visibility = System.Windows.Visibility.Collapsed;
ImageBrush brush = pauseMediaImagePart.Fill as ImageBrush;
if (brush != null)
{
brush.ImageFailed += new EventHandler<ExceptionRoutedEventArgs>(brush_ImageFailed);
}
}
this.textBlockPart = GetTemplateChild(NodeControl.TextBlockPartName) as TextBlock;
this.textBlockBorderPart = GetTemplateChild(NodeControl.TextBlockBorderName) as Border;
this.textBoxPart = GetTemplateChild(NodeControl.TextBoxPartName) as TextBox;
this.transCntTextBlockPart = GetTemplateChild(NodeControl.TranscludionsCountTextBlockPartName) as TextBlock;
this.childCntTextBlockPart = GetTemplateChild(NodeControl.ChildCountTextBlockPartName) as TextBlock;
this.noteTextBlockPart = GetTemplateChild(NodeControl.NoteTextBlockPartName) as TextBlock;
Rect textLocation = GetTextLocation();
if (this.textBlockBorderPart != null)
{
this.textBlockBorderPart.SetValue(Canvas.LeftProperty, textLocation.X);
this.textBlockBorderPart.SetValue(Canvas.TopProperty, textLocation.Y);
this.textBlockBorderPart.Width = textLocation.Width;
this.textBlockBorderPart.Height = textLocation.Height;
}
if (this.textBlockPart != null)
{
this.textBlockPart.Width = textLocation.Width;
this.textBlockPart.Height = textLocation.Height;
if (this.textBlockBorderPart != null)
{
if (textLocation.Height < this.textBlockPart.ActualHeight)
{
this.textBlockBorderPart.Height = this.textBlockPart.ActualHeight;
this.textBlockPart.Height = this.textBlockPart.ActualHeight;
}
else
{
if (this.textBlockPart.ActualHeight > 10)
{
this.textBlockBorderPart.Height = this.textBlockPart.ActualHeight;
this.textBlockPart.Height = this.textBlockPart.ActualHeight;
}
}
}
this.textBlockHeight = this.textBlockPart.ActualHeight;
this.textBlockWidth = this.textBlockPart.ActualWidth;
this.textBlockPart.MouseLeftButtonDown += new MouseButtonEventHandler(OnNodeTextBlockMouseLeftButtonDown);
}
if (this.textBoxPart != null)
{
this.textBoxPart.SetValue(Canvas.LeftProperty, textLocation.X);
this.textBoxPart.SetValue(Canvas.TopProperty, textLocation.Y);
this.textBoxPart.Width = textLocation.Width + 5;
this.textBoxPart.Height = textLocation.Height + 5;
this.textBoxPart.KeyDown += new KeyEventHandler(TextBoxPart_KeyDown);
}
if (this.transCntTextBlockPart != null)
{
if (this.transCntTextBlockPart.Text == "1")
{
this.transCntTextBlockPart.Visibility = Visibility.Collapsed;
}
else
{
this.transCntTextBlockPart.Visibility = Visibility.Visible;
}
}
if (this.childCntTextBlockPart != null)
{
if (nodeProxy.NodeType.Name == "CompendiumMapNode")
{
this.childCntTextBlockPart.Visibility = Visibility.Visible;
this.childCntTextBlockPart.Text = GetMapNodeChildCount(nodeProxy);
}
else
{
this.childCntTextBlockPart.Visibility = Visibility.Collapsed;
}
}
if (this.noteTextBlockPart != null)
{
MetadataContext noteKey = new MetadataContext()
{
MetadataName = "Note",
NodeUid = nodeProxy.Id
};
if (nodeProxy.HasMetadata(noteKey) && !string.IsNullOrEmpty(nodeProxy.GetNodeMetadata(noteKey).MetadataValue))
{
this.noteTextBlockPart.Visibility = Visibility.Visible;
ToolTipService.SetToolTip(this.noteTextBlockPart, nodeProxy.GetNodeMetadata(noteKey).MetadataValue);
}
else
{
this.noteTextBlockPart.Visibility = Visibility.Collapsed;
}
}
BitmapImage nodeImg = new BitmapImage();
//for optimal memory usage and speed only create as many ImageBrush objects as there are images.
if (ImageUrl != null)
{
if (!nodeImageCache.ContainsKey(ImageUrl))
{
nodeImg.UriSource = new Uri(ImageUrl);
ImageBrush imageBrush = new ImageBrush();
imageBrush.ImageSource = nodeImg;
NodeImage = imageBrush;
nodeImageCache.Add(ImageUrl, imageBrush);
}
else
{
NodeImage = nodeImageCache[ImageUrl];
}
}
else
{
if (!string.IsNullOrEmpty(NodeImageName))
{
switch (NodeImageName)
{
case "Map":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/network.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
case "Pro":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/plus.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
case "Con":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/minus.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
case "Decision":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/generic.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
case "Idea":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/exclamation.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
case "Question":
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/question.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
default:
nodeImg.UriSource = new Uri("/SilverlightMappingToolBasic;component/Images/generic.png", UriKind.Relative);
NodeImage = new ImageBrush() { ImageSource = nodeImg };
break;
}
}
}
this.okButtonPart = GetTemplateChild(NodeControl.OkButtonPartName) as Button;
this.cancelButtonPart = GetTemplateChild(NodeControl.CancelButtonPartName) as Button;
if (this.textBlockBorderPart != null
&& this.okButtonPart != null && this.cancelButtonPart != null)
{
double left = (double)textBlockBorderPart.GetValue(Canvas.LeftProperty);
double top = (double)textBlockBorderPart.GetValue(Canvas.TopProperty);
this.okButtonPart.SetValue(Canvas.LeftProperty, left + this.textBoxPart.Width - 100);
this.okButtonPart.SetValue(Canvas.TopProperty, top + this.textBoxPart.Height);
this.okButtonPart.Click += new RoutedEventHandler(OnNodeTextBoxOkClick);
this.cancelButtonPart.SetValue(Canvas.LeftProperty, left + this.textBoxPart.Width - 50);
this.cancelButtonPart.SetValue(Canvas.TopProperty, top + this.textBoxPart.Height);
this.cancelButtonPart.Click += new RoutedEventHandler(OnNodeTextBoxCancelClick);
}
if (InEditState)
{
GoToState(NodeControl.EdittingStateName, false);
if (this.textBoxPart != null)
{
this.textBoxPart.Focus();
}
}
else
{
this.GoToState(NodeControl.NormalStateName, false);
}
this.isTemplateApplied = true;
}
private void NCellMouseMove(object sender, NCellMouseEventArgs args)
{
if (args.MouseEventArgs.LeftButton == MouseButtonState.Pressed && _mouseDownNCell != null)
{
var currentNCell = GetNCellFromMousePosition(args.MouseEventArgs.GetPosition(this));
if (currentNCell != null && !currentNCell.Equals(_mouseDownNCell) && !currentNCell.Equals(_lastMouseOverNCell))
{
var mouseDownNCellRow = (int)_mouseDownNCell.GetValue(Grid.RowProperty);
var mouseDownNCellColumn = (int)_mouseDownNCell.GetValue(Grid.ColumnProperty);
var currentNCellRow = (int)currentNCell.GetValue(Grid.RowProperty);
var currentNCellColumn = (int)currentNCell.GetValue(Grid.ColumnProperty);
//计算绘制选中效果的矩形区域的起始点
Point startPoint, endPoint;
if (currentNCellRow >= mouseDownNCellRow)
{
if (currentNCellColumn >= mouseDownNCellColumn)
{
startPoint = _mouseDownNCell.TranslatePoint(new Point(), NCellContainer);
endPoint = currentNCell.TranslatePoint(new Point(currentNCell.ActualWidth, currentNCell.ActualHeight),
NCellContainer);
}
else
{
startPoint = _mouseDownNCell.TranslatePoint(new Point(_mouseDownNCell.ActualWidth, 0),
NCellContainer);
endPoint = currentNCell.TranslatePoint(new Point(0, currentNCell.ActualHeight), NCellContainer);
}
}
else
{
if (currentNCellColumn >= mouseDownNCellColumn)
{
startPoint = _mouseDownNCell.TranslatePoint(new Point(0, _mouseDownNCell.ActualHeight), NCellContainer);
endPoint = currentNCell.TranslatePoint(new Point(currentNCell.ActualWidth, 0), NCellContainer);
}
else
{
startPoint = _mouseDownNCell.TranslatePoint(new Point(_mouseDownNCell.ActualWidth, _mouseDownNCell.ActualHeight),
NCellContainer);
endPoint = currentNCell.TranslatePoint(new Point(0, 0), NCellContainer);
}
}
//设置选中效果
var leftMargin = Math.Min(startPoint.X, endPoint.X);
var topMargin = Math.Min(startPoint.Y, endPoint.Y);
_effectBorder = new Border() { BorderThickness = new Thickness(2), BorderBrush = Brushes.Blue };
_effectBorder.SetValue(Canvas.LeftProperty, leftMargin);
_effectBorder.SetValue(Canvas.TopProperty, topMargin);
_effectBorder.Width = Math.Abs(startPoint.X - endPoint.X);
_effectBorder.Height = Math.Abs(startPoint.Y - endPoint.Y);
_effectBorder.Background = Brushes.SkyBlue;
_effectBorder.Opacity = 0.3;
//当合并项处于选中边界时
var selectedRect = NTableUtils.BuildRect(startPoint, endPoint);
//标识经过合并项的处理，选中区域是否已改变，若已改变则重新扫描，是否有合并项处于边界
bool isSelectionRectChanged;
do
{
isSelectionRectChanged = false;
foreach (var mergeItem in _nTableData.MergeCollection)
{
var mergeItemRect = NTableUtils.TranslateBounds(mergeItem.RootNCell, NCellContainer);
if (NTableUtils.IsRectIntersect(selectedRect, mergeItemRect))
{
if (mergeItemRect.Y < selectedRect.Y)
{
_effectBorder.SetValue(Canvas.TopProperty, mergeItemRect.Y);
_effectBorder.Height += selectedRect.Y - mergeItemRect.Y;
}
if (mergeItemRect.X < selectedRect.X)
{
_effectBorder.SetValue(Canvas.LeftProperty, mergeItemRect.X);
_effectBorder.Width += selectedRect.X - mergeItemRect.X;
}
if (mergeItemRect.Right > selectedRect.Right)
{
_effectBorder.Width += mergeItemRect.Right - selectedRect.Right;
}
if (mergeItemRect.Bottom > selectedRect.Bottom)
{
_effectBorder.Height += mergeItemRect.Bottom - selectedRect.Bottom;
}
var newSelectionRect = new Rect((double)_effectBorder.GetValue(Canvas.LeftProperty), (double)_effectBorder.GetValue(Canvas.TopProperty), _effectBorder.Width, _effectBorder.Height);
if (newSelectionRect != selectedRect)
{
selectedRect = newSelectionRect;
isSelectionRectChanged = true;
}
}
}
} while (isSelectionRectChanged);
//实时更新选中的单元格集合
_selectedNCells.Clear();
var rows = _nTableData.Rows.Count;
var columns = _nTableData.Columns.Count;
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
if (NTableUtils.IsRectIntersect(NTableUtils.TranslateBounds((FrameworkElement)NCellContainer.Children[i * columns + j], NCellContainer), selectedRect))
{
_selectedNCells.Add((NCell)NCellContainer.Children[i * columns + j]);
}
}
}
for (var i = 0; i < _selectedNCells.Count; i++)
{
if (_selectedNCells[i].MergeId != Guid.Empty)
{
var mergeItem = _nTableData.MergeCollection.First(x => x.Id == _selectedNCells[i].MergeId);
mergeItem.ToList().ForEach(x =>
{
if (!_selectedNCells.Contains(x))
{
_selectedNCells.Add(x);
}
});
}
}
ClearSelection();
EffectContainer.Children.Add(_effectBorder);
}
_lastMouseOverNCell = currentNCell;
}
}