public void UndoProperties(int undoLevel)
{
InternalDebug.Assert(undoLevel <= propertyUndoStackTop);
for (var i = propertyUndoStackTop - 1; i >= undoLevel; i--)
{
if (propertyUndoStack[i].IsFlags)
{
flagProperties = propertyUndoStack[i].flags.flags;
}
else if (propertyUndoStack[i].IsDistinctFlags)
{
distinctFlagProperties = propertyUndoStack[i].flags.flags;
}
else if (propertyUndoStack[i].IsDistinctMask1)
{
distinctPropertyMask.Set1(propertyUndoStack[i].bits.bits);
}
else if (propertyUndoStack[i].IsDistinctMask2)
{
distinctPropertyMask.Set2(propertyUndoStack[i].bits.bits);
}
else
{
if (propertyUndoStack[i].property.Value.IsNull)
{
propertyMask.Clear(propertyUndoStack[i].property.Id);
}
else
{
properties[(int)(propertyUndoStack[i].property.Id - PropertyBitMask.FirstNonFlag)] = propertyUndoStack[i].property.Value;
propertyMask.Set(propertyUndoStack[i].property.Id);
}
}
}
propertyUndoStackTop = undoLevel;
}
public int ApplyProperties(FlagProperties flagProperties, Property[] propList, FlagProperties flagInheritanceMask, PropertyBitMask propertyInheritanceMask)
{
int undoStackPosition = this.propertyUndoStackTop;
FlagProperties allInheritedFlagProperties = this.flagProperties & flagInheritanceMask;
FlagProperties newEffectiveFlagProperties = allInheritedFlagProperties | flagProperties;
if (newEffectiveFlagProperties != this.flagProperties)
{
this.PushUndoEntry(PropertyUndoEntry.FlagPropertiesFakeId, this.flagProperties);
this.flagProperties = newEffectiveFlagProperties;
}
FlagProperties overridenFlagsPropertiesMask = allInheritedFlagProperties ^ flagProperties;
FlagProperties newDistinctFlagProperties = (flagProperties & overridenFlagsPropertiesMask) | (flagProperties & ~allInheritedFlagProperties);
if (newDistinctFlagProperties != this.distinctFlagProperties)
{
this.PushUndoEntry(PropertyUndoEntry.DistinctFlagPropertiesFakeId, this.distinctFlagProperties);
this.distinctFlagProperties = newDistinctFlagProperties;
}
PropertyBitMask maskedOutProperties = this.propertyMask & ~propertyInheritanceMask;
foreach (PropertyId propId in maskedOutProperties)
{
this.PushUndoEntry(propId, this.properties[(int)(propId - PropertyBitMask.FirstNonFlag)]);
}
PropertyBitMask newDistinctPropertyMask = PropertyBitMask.AllOff;
this.propertyMask &= propertyInheritanceMask;
if (propList != null)
{
foreach (Property prop in propList)
{
if (this.propertyMask.IsSet(prop.Id))
{
if (this.properties[(int)(prop.Id - PropertyBitMask.FirstNonFlag)] != prop.Value)
{
this.PushUndoEntry(prop.Id, this.properties[(int)(prop.Id - PropertyBitMask.FirstNonFlag)]);
if (prop.Value.IsNull)
{
this.propertyMask.Clear(prop.Id);
}
else
{
this.properties[(int)(prop.Id - PropertyBitMask.FirstNonFlag)] = prop.Value;
newDistinctPropertyMask.Set(prop.Id);
}
}
}
else if (!prop.Value.IsNull)
{
if (!maskedOutProperties.IsSet(prop.Id))
{
this.PushUndoEntry(prop.Id, PropertyValue.Null);
}
this.properties[(int)(prop.Id - PropertyBitMask.FirstNonFlag)] = prop.Value;
this.propertyMask.Set(prop.Id);
newDistinctPropertyMask.Set(prop.Id);
}
}
}
if (newDistinctPropertyMask != this.distinctPropertyMask)
{
this.PushUndoEntry(this.distinctPropertyMask);
this.distinctPropertyMask = newDistinctPropertyMask;
}
return(undoStackPosition);
}
public int ApplyProperties(FlagProperties flagProperties, Property[] propList, FlagProperties flagInheritanceMask, PropertyBitMask propertyInheritanceMask)
{
int result = this.propertyUndoStackTop;
FlagProperties x = this.flagProperties & flagInheritanceMask;
FlagProperties x2 = x | flagProperties;
if (x2 != this.flagProperties)
{
this.PushUndoEntry(PropertyId.MaxValue, this.flagProperties);
this.flagProperties = x2;
}
FlagProperties y = x ^ flagProperties;
FlagProperties x3 = (flagProperties & y) | (flagProperties & ~x);
if (x3 != this.distinctFlagProperties)
{
this.PushUndoEntry((PropertyId)74, this.distinctFlagProperties);
this.distinctFlagProperties = x3;
}
PropertyBitMask propertyBitMask = this.propertyMask & ~propertyInheritanceMask;
foreach (PropertyId propertyId in propertyBitMask)
{
this.PushUndoEntry(propertyId, this.properties[(int)(propertyId - PropertyId.FontColor)]);
}
PropertyBitMask allOff = PropertyBitMask.AllOff;
this.propertyMask &= propertyInheritanceMask;
if (propList != null)
{
foreach (Property property in propList)
{
if (this.propertyMask.IsSet(property.Id))
{
if (this.properties[(int)(property.Id - PropertyId.FontColor)] != property.Value)
{
this.PushUndoEntry(property.Id, this.properties[(int)(property.Id - PropertyId.FontColor)]);
if (property.Value.IsNull)
{
this.propertyMask.Clear(property.Id);
}
else
{
this.properties[(int)(property.Id - PropertyId.FontColor)] = property.Value;
allOff.Set(property.Id);
}
}
}
else if (!property.Value.IsNull)
{
if (!propertyBitMask.IsSet(property.Id))
{
this.PushUndoEntry(property.Id, PropertyValue.Null);
}
this.properties[(int)(property.Id - PropertyId.FontColor)] = property.Value;
this.propertyMask.Set(property.Id);
allOff.Set(property.Id);
}
}
}
if (allOff != this.distinctPropertyMask)
{
this.PushUndoEntry(this.distinctPropertyMask);
this.distinctPropertyMask = allOff;
}
return(result);
}