///<inheritdoc/>
protected override void ConfigureLayout()
{
OptionGroup toplevelGroup = (OptionGroup)Handler.GetGroupByName(TOP_LEVEL);
OptionGroup generalGroup = (OptionGroup)toplevelGroup.GetGroupByName(GENERAL);
string operationChoice = (string)generalGroup[OPERATION].Value;
transformer.Operation = operationEnum[operationChoice];
transformer.SubgraphLayoutEnabled = (bool)generalGroup[ACT_ON_SELECTION_ONLY].Value;
transformer.RotationAngle = (int)toplevelGroup.GetValue(ROTATE, ROTATION_ANGLE);
if ((bool)toplevelGroup.GetValue(ROTATE, APPLY_BEST_FIT_ROTATION) &&
((string)toplevelGroup.GetValue(GENERAL, OPERATION)).Equals(ROTATE))
{
CanvasControl cv = Context.Lookup <CanvasControl>();
if (cv != null)
{
var size = cv.InnerSize;
applyBestFitRotation = true;
transformer.RotationAngle =
GraphTransformer.FindBestFitRotationAngle(CurrentLayoutGraph, size.Width, size.Height);
}
}
else
{
applyBestFitRotation = false;
}
transformer.ScaleFactor = (double)toplevelGroup.GetValue(SCALE, SCALE_FACTOR);
transformer.ScaleNodeSize = (bool)toplevelGroup.GetValue(SCALE, SCALE_NODE_SIZE);
transformer.TranslateX = (double)toplevelGroup.GetValue(TRANSLATE, TRANSLATE_X);
transformer.TranslateY = (double)toplevelGroup.GetValue(TRANSLATE, TRANSLATE_Y);
LayoutAlgorithm = transformer;
}
/// <summary>
/// Creates the option handler for the label editing properties.
/// </summary>
/// <remarks>
/// These options either delegate directly to properties of <see cref="GraphEditorInputMode" /> or set some global flag
/// that is evaluated elsewhere.
/// </remarks>
private OptionHandler CreateOptionHandler()
{
var graphEditorInputMode = ((GraphEditorInputMode)GraphControl.InputMode);
var handler = new OptionHandler("Labeling Options");
OptionGroup toplevelGroup = handler.AddGroup("TOP_LEVEL");
//the toplevel group will show neither in Table view nor in dialog view explicitely
toplevelGroup.SetAttribute(TableEditorFactory.RENDERING_HINTS_ATTRIBUTE,
(int)TableEditorFactory.RenderingHints.Invisible);
toplevelGroup.SetAttribute(DefaultEditorFactory.RENDERING_HINTS_ATTRIBUTE,
(int)DefaultEditorFactory.RenderingHints.Invisible);
OptionGroup currentGroup = toplevelGroup.AddGroup("General");
var labelAddItem = currentGroup.AddBool("Label Creation", true);
labelAddItem.PropertyChanged += delegate { graphEditorInputMode.AllowAddLabel = (bool)labelAddItem.Value; };
var labelEditItem = currentGroup.AddBool("Label Editing", true);
labelEditItem.PropertyChanged +=
delegate { graphEditorInputMode.AllowEditLabel = (bool)labelEditItem.Value; };
var hideItem = currentGroup.AddBool("Hide Label during Editing", true);
hideItem.PropertyChanged += delegate {
graphEditorInputMode.HideLabelDuringEditing = (bool)hideItem.Value;
};
var instantTypingItem = currentGroup.AddBool("Instant Typing", false);
instantTypingItem.PropertyChanged += delegate { instantTypingEnabled = (bool)instantTypingItem.Value; };
var useCustomHelperItem = currentGroup.AddBool("Custom Label Helper", false);
useCustomHelperItem.PropertyChanged += delegate { customHelperEnabled = (bool)useCustomHelperItem.Value; };
currentGroup = toplevelGroup.AddGroup("Editable Items");
// Disable the whole editable items group if neither label editing or adding allowed
ConstraintManager cm = new ConstraintManager(handler);
cm.SetEnabledOnCondition(
ConstraintManager.LogicalCondition.Or(cm.CreateValueEqualsCondition(labelEditItem, true),
cm.CreateValueEqualsCondition(labelAddItem, true)), currentGroup);
currentGroup.AddBool("Nodes", true).PropertyChanged += delegate {
var editNodes = (bool)toplevelGroup.GetValue("Editable Items", "Nodes");
if (editNodes)
{
graphEditorInputMode.LabelEditableItems |= GraphItemTypes.Node | GraphItemTypes.NodeLabel;
}
else
{
graphEditorInputMode.LabelEditableItems &= ~(GraphItemTypes.Node | GraphItemTypes.NodeLabel);
}
};
currentGroup.AddBool("Edges", true).PropertyChanged += delegate {
var editEdges = (bool)toplevelGroup.GetValue("Editable Items", "Edges");
if (editEdges)
{
graphEditorInputMode.LabelEditableItems |= GraphItemTypes.Edge | GraphItemTypes.EdgeLabel;
}
else
{
graphEditorInputMode.LabelEditableItems &= ~(GraphItemTypes.Edge | GraphItemTypes.EdgeLabel);
}
};
currentGroup = toplevelGroup.AddGroup("Validation");
var validationItem = currentGroup.AddBool("Enable Validation", false);
validationItem.PropertyChanged += delegate { validationEnabled = (bool)validationItem.Value; };
var patternItem = currentGroup.AddString("Pattern", DefaultValidationPattern);
patternItem.PropertyChanged += delegate { validationPattern = new Regex((string)patternItem.Value, RegexOptions.Compiled); };
// Editing the pattern doesn't make sense if validation is disabled
cm.SetEnabledOnValueEquals(validationItem, true, patternItem);
return(handler);
}