/// <summary>
/// 设置选中的Part，加载其属性
/// </summary>
/// <param name="element"></param>
public void SetSelectPartAsCurrent(UIElement element)
{
var node = Part.FindAncestor <Node>(element);
if (node != null)
{
var data = node.Data as ActivityNode;
//将当前元素设为选择元素
node.Diagram.SelectedPart = node;
//属性设计器加载当前元素属性
WebMethod.LoadProperty(WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY,
node.Diagram.Tag.ToString(),
WorkflowUtils.ExtractActivityInfoJson(data));
return;
}
var link = Part.FindAncestor <Link>(element);
if (link != null)
{
var data = link.Data as ActivityLink;
link.Diagram.SelectedPart = link;
WebMethod.LoadProperty(WorkflowUtils.CLIENTSCRIPT_PARAM_TRANSITION,
link.Diagram.Tag.ToString(),
WorkflowUtils.ExtractTransitionInfoJson(data));
}
}
protected override bool DoAcceptText()
{
//先保留一个编辑元素的对象引用
var part = this.AdornedPart.Data;
//完成text编辑
bool result = base.DoAcceptText();
//将编辑后的元素更新到property grid控件
var node = part as ActivityNode;
if (node != null)
{
_webMethod.UpdateProcess(WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY,
this.Diagram.Tag.ToString(), node.Key,
WorkflowUtils.ExtractActivityInfoJson(node));
return(result);
}
var link = part as ActivityLink;
if (link != null)
{
_webMethod.UpdateProcess(WorkflowUtils.CLIENTSCRIPT_PARAM_TRANSITION,
this.Diagram.Tag.ToString(), link.Key,
WorkflowUtils.ExtractTransitionInfoJson(link));
}
return(result);
}
////初始化过程中也会执行！！！
protected override void OnNodeAdded(Node node)
{
base.OnNodeAdded(node);
ActivityNode data = node.Data as ActivityNode;
if (data == null)
{
return;
}
if (IsOverviewDiagram(node))
{
return;
}
if (data.IsDynamic == false)
{
ActivityType nodeType = (ActivityType)Enum.Parse(typeof(ActivityType), data.Category, false);
if (!IsValidKey(data.Key, nodeType, node.Diagram))
{
data.Key = CreateActivityKey();
}
}
else
{
if (!IsValidKey(data.Key, ActivityType.Normal, node.Diagram))
{
data.Key = CreateActivityKey();
}
data.IsDynamic = true;
}
_webMethod.LoadProperty(WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY,
node.Diagram.Tag.ToString(),
WorkflowUtils.ExtractActivityInfoJson(data));
}
private void ContextMenu_Opened(object sender, RoutedEventArgs e)
{
//var position = this.mainDiagram.LastMousePointInModel;
//ContextMenuService.GetContextMenu(sender as FrameworkElement);
//(sender as Shared.Silverlight.Controls.ContextMenu).OpenPopup(position);
Northwoods.GoXam.PartManager.PartBinding currentBinding = (Northwoods.GoXam.PartManager.PartBinding)((sender as FrameworkElement).DataContext);
ActivityNode nodeData = currentBinding.Data as ActivityNode;
if (nodeData == null)
{
return;
}
string strKey = string.Format("{0}@{1}", this.mainDiagram.Tag.ToString(), nodeData.Key);
if (string.Compare(strKey, WorkflowUtils.CurrentKey) != 0)
{
HtmlPage.Window.Invoke("LoadProperty", WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY, this.mainDiagram.Tag.ToString(), WorkflowUtils.ExtractActivityInfoJson(nodeData));
WorkflowUtils.CurrentKey = strKey;
}
}
public override void DoMouseDown()
{
base.DoMouseDown();
Diagram diagram = this.Diagram;
if (diagram == null)
{
return;
}
//得到当前的Part
Part currentPart = FindPartAt(diagram.LastMousePointInModel, true);
if (currentPart == null)
{
//活动上下文菜单
var form = this.Diagram.PartsModel.FindNodeByKey(DiagramPage.ACTCONTEXT_MENU);
if (form != null)
{
form.Visible = false;
}
//流程上下文菜单
form = this.Diagram.PartsModel.FindNodeByKey(DiagramPage.WFCONTEXT_MENU);
if (form != null)
{
form.Visible = false;
}
//如果Part和当前Part不一致，则切换属性
if (string.Compare(diagram.Tag.ToString(), WorkflowUtils.CurrentKey) != 0)
{
HtmlPage.Window.Invoke("LoadProperty", WorkflowUtils.CLIENTSCRIPT_PARAM_WORKFLOW, diagram.Tag.ToString(), WorkflowUtils.ExtractWorkflowInfoJson(diagram));
WorkflowUtils.CurrentKey = diagram.Tag.ToString();
}
}
else
{
if (currentPart.DataContext is Northwoods.GoXam.PartManager.PartBinding)
{
Northwoods.GoXam.PartManager.PartBinding currentBinding = (Northwoods.GoXam.PartManager.PartBinding)((currentPart as FrameworkElement).DataContext);
if (currentBinding.Data == null)
{
return;
}
if (currentBinding.Data is ActivityNode)
{
ActivityNode nodeData = currentBinding.Data as ActivityNode;
if (nodeData == null)
{
return;
}
string strKey = string.Format("{0}@{1}", diagram.Tag.ToString(), nodeData.Key);
if (string.Compare(strKey, WorkflowUtils.CurrentKey) != 0)
{
HtmlPage.Window.Invoke("LoadProperty", WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY, diagram.Tag.ToString(), WorkflowUtils.ExtractActivityInfoJson(nodeData));
WorkflowUtils.CurrentKey = strKey;
}
}
}
}
}
public override void DoActivate()
{
base.DoActivate();
var part = this.AdornedPart.Data;
ActivityNode nodeData = part as ActivityNode;
string strKey = string.Format("{0}@{1}", this.Diagram.Tag.ToString(), nodeData.Key);
if (string.Compare(this.Diagram.Tag.ToString(), WorkflowUtils.CurrentKey) != 0)
{
HtmlPage.Window.Invoke("LoadProperty", WorkflowUtils.CLIENTSCRIPT_PARAM_ACTIVITY, this.Diagram.Tag.ToString(), WorkflowUtils.ExtractActivityInfoJson(nodeData));
WorkflowUtils.CurrentKey = strKey;
}
}