///<inheritdoc/>
protected override void PerformPreLayout()
{
String selGroupPolicy = (String)Handler.GetValue(GROUPING, GROUP_LAYOUT_POLICY);
String edgeLabelingName = (String)Handler.GetValue(LABELING, EDGE_LABELING);
MultiStageLayout multiStageLayout = LayoutAlgorithm as MultiStageLayout;
IDataProvider upwardDP = null;
if ((upwardDP = CurrentLayoutGraph.GetDataProvider(OrthogonalLayout.DirectedEdgeDpKey)) == null)
{
//determine upward edges if not already marked.
if ((bool)Handler.GetValue(EDGES, DRAW_SELECTED_EDGES_UPWARDS))
{
CurrentLayoutGraph.AddDataProvider(OrthogonalLayout.DirectedEdgeDpKey, upwardDP = new UpwardEdgeDP(this));
}
}
// if ((bool)Handler.GetValue(EDGES, UPWARD_EDGE_BUS_ROUTING) && upwardDP != null) {
// sgDPOrig = CurrentLayoutGraph.GetDataProvider(PortConstraintKeys.SourceGroupIdDpKey);
// tgDPOrig = CurrentLayoutGraph.GetDataProvider(PortConstraintKeys.TargetGroupIdDpKey);
// sourceGroupMap = CurrentLayoutGraph.CreateEdgeMap();
// tgMap = CurrentLayoutGraph.CreateEdgeMap();
// CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.SourceGroupIdDpKey, sourceGroupMap);
// CurrentLayoutGraph.AddDataProvider(PortConstraintKeys.TargetGroupIdDpKey, tgMap);
// AutoGroupEdges(CurrentLayoutGraph, sourceGroupMap, tgMap, upwardDP);
// }
if ((selGroupPolicy != IGNORE_GROUPS) && ContainsGroupNodes())
{
multiStageLayout.HideGroupsStageEnabled = false;
if (FIX_GROUPS == selGroupPolicy)
{
var fgl = new FixGroupLayoutStage();
fgl.InterEdgeRoutingStyle = InterEdgeRoutingStyle.Orthogonal;
if (multiStageLayout != null)
{
multiStageLayout.PrependStage(fgl);
preStage = fgl;
}
}
}
else
{
multiStageLayout.HideGroupsStageEnabled = true;
}
if (edgeLabelingName == GENERIC && multiStageLayout != null)
{
var la = new GenericLabeling();
la.MaximumDuration = 0;
la.PlaceNodeLabels = false;
la.PlaceEdgeLabels = true;
la.AutoFlipping = true;
la.ProfitModel = new SimpleProfitModel();
multiStageLayout.Labeling = la;
}
}
protected override LayoutData CreateConfiguredLayoutData(GraphControl graphControl, ILayoutAlgorithm layout)
{
var layoutData = new OrganicLayoutData();
switch (GroupLayoutPolicyItem)
{
case EnumGroupLayoutPolicy.IgnoreGroups:
preStage = new HideGroupsStage();
((MultiStageLayout)layout).PrependStage(preStage);
break;
case EnumGroupLayoutPolicy.LayoutGroups:
//do nothing...
break;
case EnumGroupLayoutPolicy.FixGroupBounds:
layoutData.GroupNodeModes.Delegate =
node => graphControl.Graph.IsGroupNode(node)
? GroupNodeMode.FixBounds
: GroupNodeMode.Normal;
break;
case EnumGroupLayoutPolicy.FixGroupContents:
layoutData.GroupNodeModes.Delegate =
node => graphControl.Graph.IsGroupNode(node)
? GroupNodeMode.FixContents
: GroupNodeMode.Normal;
break;
default:
preStage = new HideGroupsStage();
((MultiStageLayout)layout).PrependStage(preStage);
break;
}
layoutData.AffectedNodes.Source = graphControl.Selection.SelectedNodes;
if (EdgeDirectednessItem)
{
layoutData.EdgeDirectedness.Delegate = edge => {
if (edge.Style is IArrowOwner && !Equals(((IArrowOwner)edge.Style).TargetArrow, Arrows.None))
{
return(1);
}
return(0);
};
}
return(layoutData);
}
///<inheritdoc/>
protected override void PerformPostLayout()
{
CurrentLayoutGraph.RemoveDataProvider(OrganicLayout.AffectedNodesDpKey);
if (preStage != null)
{
organic.RemoveStage(preStage);
preStage = null;
}
if (groupNodeContentDP != null)
{
CurrentLayoutGraph.RemoveDataProvider(OrganicLayout.GroupNodeModeDpKey);
groupNodeContentDP = null;
}
base.PerformPostLayout();
}
private void ConfigureGrouping()
{
IOptionItem groupingItem = Handler.GetItemByName("GROUPING.GROUP_LAYOUT_POLICY");
switch ((string)groupingItem.Value)
{
case IGNORE_GROUPS:
preStage = new HideGroupsStage();
organic.PrependStage(preStage);
break;
case LAYOUT_GROUPS:
//do nothing...
break;
case FIX_GROUP_BOUNDS:
IDataProvider groupDP = CurrentLayoutGraph.GetDataProvider(GroupingKeys.GroupDpKey);
if (groupDP != null)
{
groupNodeContentDP = Maps.CreateHashedNodeMap();
foreach (Node node in CurrentLayoutGraph.Nodes)
{
if (groupDP.GetBool(node))
{
groupNodeContentDP.Set(node, GroupNodeMode.FixBounds);
}
}
CurrentLayoutGraph.AddDataProvider(OrganicLayout.GroupNodeModeDpKey, groupNodeContentDP);
}
break;
case FIX_GROUP_CONTENTS:
groupDP = CurrentLayoutGraph.GetDataProvider(GroupingKeys.GroupDpKey);
if (groupDP != null)
{
groupNodeContentDP = Maps.CreateHashedNodeMap();
foreach (Node node in CurrentLayoutGraph.Nodes)
{
if (groupDP.GetBool(node))
{
groupNodeContentDP.Set(node, GroupNodeMode.FixContents);
}
}
CurrentLayoutGraph.AddDataProvider(OrganicLayout.GroupNodeModeDpKey, groupNodeContentDP);
}
break;
}
}
