571 lines
No EOL
22 KiB
C#
571 lines
No EOL
22 KiB
C#
/*
|
|
Copyright (c) 2023, Lars Brubaker, John Lewin
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
The views and conclusions contained in the software and documentation are those
|
|
of the authors and should not be interpreted as representing official policies,
|
|
either expressed or implied, of the FreeBSD Project.
|
|
*/
|
|
|
|
using MatterHackers.Agg;
|
|
using MatterHackers.Agg.UI;
|
|
using MatterHackers.DataConverters3D;
|
|
using MatterHackers.MatterControl.DesignTools.Operations;
|
|
using org.mariuszgromada.math.mxparser;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Text.RegularExpressions;
|
|
using static MatterHackers.MatterControl.DesignTools.SheetObject3D;
|
|
|
|
namespace MatterHackers.MatterControl.DesignTools
|
|
{
|
|
public static class Expressions
|
|
{
|
|
public const BindingFlags OwnedPropertiesOnly = BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly;
|
|
|
|
private static readonly Regex ConstantFinder = new Regex("(?<=\\[).+?(?=\\])", RegexOptions.CultureInvariant | RegexOptions.Compiled);
|
|
|
|
private static readonly Type[] ExpressionTypes =
|
|
{
|
|
typeof(StringOrExpression),
|
|
typeof(DoubleOrExpression),
|
|
typeof(IntOrExpression),
|
|
};
|
|
|
|
private static Dictionary<string, Func<IObject3D, double>> constants = new Dictionary<string, Func<IObject3D, double>>()
|
|
{
|
|
// length
|
|
["cm"] = (owner) => 10,
|
|
["m"] = (owner) => 1000,
|
|
["inch"] = (owner) => 25.4,
|
|
["ft"] = (owner) => 304.8,
|
|
// math constant
|
|
["pi"] = (owner) => Math.PI,
|
|
["tau"] = (owner) => Math.PI * 2,
|
|
["e"] = (owner) => Math.E,
|
|
// functions
|
|
["rand"] = (owner) => rand.NextDouble(),
|
|
// array function
|
|
["index"] = (owner) => RetrieveArrayIndex(owner, 0),
|
|
["index0"] = (owner) => RetrieveArrayIndex(owner, 0),
|
|
["index1"] = (owner) => RetrieveArrayIndex(owner, 1),
|
|
["index2"] = (owner) => RetrieveArrayIndex(owner, 2),
|
|
};
|
|
|
|
private static Random rand = new Random();
|
|
|
|
public static T CastResult<T>(string value, string inputExpression)
|
|
{
|
|
if (typeof(T) == typeof(string))
|
|
{
|
|
// if parsing the equation resulted in NaN as the output
|
|
if (value == "NaN")
|
|
{
|
|
// return the actual expression
|
|
return (T)(object)inputExpression;
|
|
}
|
|
|
|
// get the value of the cell
|
|
return (T)(object)value;
|
|
}
|
|
|
|
if (typeof(T) == typeof(double))
|
|
{
|
|
if (double.TryParse(value, out double doubleValue)
|
|
&& !double.IsNaN(doubleValue)
|
|
&& !double.IsInfinity(doubleValue))
|
|
{
|
|
return (T)(object)doubleValue;
|
|
}
|
|
// else return an error
|
|
return (T)(object).1;
|
|
}
|
|
|
|
if (typeof(T) == typeof(int))
|
|
{
|
|
if (double.TryParse(value, out double doubleValue)
|
|
&& !double.IsNaN(doubleValue)
|
|
&& !double.IsInfinity(doubleValue))
|
|
{
|
|
return (T)(object)(int)Math.Round(doubleValue);
|
|
}
|
|
// else return an error
|
|
return (T)(object)1;
|
|
}
|
|
|
|
return (T)(object)default(T);
|
|
}
|
|
|
|
public static T EvaluateExpression<T>(IObject3D owner, string inExpression)
|
|
{
|
|
var inputExpression = inExpression;
|
|
|
|
inputExpression = SearchSiblingProperties(owner, inputExpression);
|
|
|
|
inputExpression = ReplaceConstantsWithValues(owner, inputExpression);
|
|
|
|
// check if the expression is an equation (starts with "=")
|
|
if (inputExpression.Length > 0 && inputExpression[0] == '=')
|
|
{
|
|
// look through all the parents
|
|
var variableContainer = FindFirstVariableContainer(owner);
|
|
if (variableContainer != null)
|
|
{
|
|
// try to manage the cell into the correct data type
|
|
string value = variableContainer.EvaluateExpression(inputExpression);
|
|
return CastResult<T>(value, inputExpression);
|
|
}
|
|
|
|
// could not find a sheet, try to evaluate the expression directly
|
|
var evaluator = new Expression(inputExpression.Substring(1).ToLower());
|
|
if (evaluator.checkSyntax())
|
|
{
|
|
Debug.WriteLine(evaluator.getErrorMessage());
|
|
}
|
|
|
|
return CastResult<T>(evaluator.calculate().ToString(), inputExpression);
|
|
}
|
|
else // not an equation so try to parse it directly
|
|
{
|
|
if (typeof(T) == typeof(string))
|
|
{
|
|
return (T)(object)inputExpression;
|
|
}
|
|
|
|
double.TryParse(inputExpression, out var result);
|
|
|
|
if (typeof(T) == typeof(double))
|
|
{
|
|
return (T)(object)result;
|
|
}
|
|
if (typeof(T) == typeof(int))
|
|
{
|
|
return (T)(object)(int)Math.Round(result);
|
|
}
|
|
|
|
return (T)(object)0;
|
|
}
|
|
}
|
|
|
|
public static IEnumerable<DirectOrExpression> GetActiveExpression(IObject3D item, string checkForString, bool startsWith)
|
|
{
|
|
foreach (var property in PropertyEditor.GetEditablePropreties(item))
|
|
{
|
|
var propertyValue = property.Value;
|
|
|
|
if (propertyValue is DirectOrExpression directOrExpression)
|
|
{
|
|
if (startsWith)
|
|
{
|
|
if (directOrExpression.Expression.StartsWith(checkForString))
|
|
{
|
|
// WIP: check if the value has actually changed, this will update every object on any cell change
|
|
yield return directOrExpression;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (directOrExpression.Expression.Contains(checkForString))
|
|
{
|
|
yield return directOrExpression;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public static IEnumerable<int> GetComponentExpressions(ComponentObject3D component, string checkForString, bool startsWith)
|
|
{
|
|
for (var i = 0; i < component.SurfacedEditors.Count; i++)
|
|
{
|
|
var (cellId, cellData) = component.DecodeContent(i);
|
|
|
|
if (cellId != null)
|
|
{
|
|
if (startsWith)
|
|
{
|
|
if (cellData.StartsWith(checkForString))
|
|
{
|
|
// WIP: check if the value has actually changed, this will update every object on any cell change
|
|
yield return i;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (cellData.Contains(checkForString))
|
|
{
|
|
yield return i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public static IEnumerable<EditableProperty> GetExpressionPropreties(IObject3D item)
|
|
{
|
|
return item.GetType().GetProperties(OwnedPropertiesOnly)
|
|
.Where(pi => ExpressionTypes.Contains(pi.PropertyType)
|
|
&& pi.GetGetMethod() != null
|
|
&& pi.GetSetMethod() != null)
|
|
.Select(p => new EditableProperty(p, item));
|
|
}
|
|
|
|
public static bool HasExpressionWithString(IObject3D itemToCheck, string checkForString, bool startsWith)
|
|
{
|
|
foreach (var item in itemToCheck.DescendantsAndSelf())
|
|
{
|
|
if (GetActiveExpression(item, checkForString, startsWith).Any()
|
|
|| itemToCheck is ComponentObject3D component
|
|
&& GetComponentExpressions(component, checkForString, startsWith).Any())
|
|
{
|
|
// three is one so return true
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there are any references from the item to the sheet.
|
|
/// </summary>
|
|
/// <param name="itemToCheck">The item to validate editable properties on</param>
|
|
/// <param name="sheetToCheck">The sheet to check if this object references</param>
|
|
/// <returns></returns>
|
|
public static bool NeedRebuild(IObject3D itemToCheck, InvalidateArgs invalidateArgs)
|
|
{
|
|
if (!invalidateArgs.InvalidateType.HasFlag(InvalidateType.SheetUpdated))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (invalidateArgs.Source is SheetObject3D sheet)
|
|
{
|
|
// Check if the sheet is the first sheet parent of this item (if not it will not change it's data).
|
|
if (FindFirstVariableContainer(itemToCheck) == sheet)
|
|
{
|
|
return HasExpressionWithString(itemToCheck, "=", true);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public static int RetrieveArrayIndex(IObject3D item, int level)
|
|
{
|
|
var arrayObject = FindParentArray(item, level);
|
|
|
|
if (arrayObject != null)
|
|
{
|
|
int index = 0;
|
|
foreach (var child in arrayObject.Children)
|
|
{
|
|
if (!(child is OperationSourceObject3D))
|
|
{
|
|
if (child.DescendantsAndSelf().Where(i => i == item).Any())
|
|
{
|
|
return index;
|
|
}
|
|
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
public static RunningInterval SendInvalidateInRebuildOrder(List<UpdateItem> updateItems,
|
|
InvalidateType invalidateType,
|
|
IObject3D sender = null)
|
|
{
|
|
// and send the invalidate
|
|
RunningInterval runningInterval = null;
|
|
void RebuildWhenUnlocked()
|
|
{
|
|
var count = updateItems.Count;
|
|
if (count > 0)
|
|
{
|
|
// get the last item from the list
|
|
var lastIndex = count - 1;
|
|
var lastUpdateItem = updateItems[lastIndex];
|
|
// we start with everything locked, so unlock the last layer and tell it to rebuild
|
|
if (lastUpdateItem.rebuildLock != null)
|
|
{
|
|
// release the lock and rebuild
|
|
// and ask it to update
|
|
var depthToBuild = lastUpdateItem.depth;
|
|
for (int i = 0; i < updateItems.Count; i++)
|
|
{
|
|
var updateItem = updateItems[i];
|
|
if (updateItem.depth == lastUpdateItem.depth)
|
|
{
|
|
updateItem.rebuildLock.Dispose();
|
|
updateItem.rebuildLock = null;
|
|
var updateSender = sender == null ? updateItem.item : sender;
|
|
updateItem.item.Invalidate(new InvalidateArgs(updateSender, invalidateType));
|
|
}
|
|
}
|
|
}
|
|
else if (updateItems.Where(i =>
|
|
{
|
|
return i.depth == lastUpdateItem.depth && i.item.RebuildLocked;
|
|
}).Any())
|
|
{
|
|
// wait for the current rebuild to end (the one we requested above)
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
// now that all the items at this level have rebuilt, remove them from out tracking
|
|
for (int i = updateItems.Count - 1; i >= 0; i--)
|
|
{
|
|
if (updateItems[i].depth == lastUpdateItem.depth)
|
|
{
|
|
updateItems.RemoveAt(i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
UiThread.ClearInterval(runningInterval);
|
|
}
|
|
}
|
|
|
|
// rebuild depth first
|
|
runningInterval = UiThread.SetInterval(RebuildWhenUnlocked, .01);
|
|
|
|
return runningInterval;
|
|
}
|
|
|
|
public static List<UpdateItem> SortAndLockUpdateItems(IObject3D root, Func<IObject3D, bool> includeObject, bool checkForExpression)
|
|
{
|
|
var requiredUpdateItems = new Dictionary<IObject3D, UpdateItem>();
|
|
foreach (var child in root.Descendants())
|
|
{
|
|
if (includeObject(child))
|
|
{
|
|
var parent = child;
|
|
var depthToThis = 0;
|
|
while (parent.Parent != root)
|
|
{
|
|
depthToThis++;
|
|
parent = parent.Parent;
|
|
}
|
|
|
|
AddItemsRequiringUpdateToDictionary(child, requiredUpdateItems, depthToThis, includeObject, checkForExpression);
|
|
}
|
|
}
|
|
|
|
var updateItems = requiredUpdateItems.Values.ToList();
|
|
// sort them
|
|
updateItems.Sort((a, b) => a.depth.CompareTo(b.depth));
|
|
|
|
// lock everything
|
|
foreach (var depthItem in updateItems)
|
|
{
|
|
depthItem.rebuildLock = depthItem.item.RebuildLock();
|
|
}
|
|
|
|
return updateItems;
|
|
}
|
|
|
|
//private static bool HasValuesThatWillChange(IObject3D item)
|
|
// {
|
|
// // enumerate public properties on child
|
|
// foreach (var property in GetExpressionPropreties(item))
|
|
// {
|
|
// var propertyValue = property.Value;
|
|
|
|
// if (propertyValue is IDirectOrExpression expression)
|
|
// {
|
|
// // return the value
|
|
// var currentValue = item.GetType().GetProperty(property.Name).GetValue(child, null).ToString();
|
|
// var newValue = EvaluateExpression<string>(item, propertyValue.ToString()).ToString();
|
|
// inExpression = inExpression.Replace("[" + constant + "]", value);
|
|
// }
|
|
// }
|
|
//}
|
|
|
|
private static void AddItemsRequiringUpdateToDictionary(IObject3D inItem,
|
|
Dictionary<IObject3D, UpdateItem> updatedItems,
|
|
int inDepth,
|
|
Func<IObject3D, bool> includeObject,
|
|
bool checkForExpression)
|
|
{
|
|
// process depth first
|
|
foreach (var child in inItem.Children)
|
|
{
|
|
AddItemsRequiringUpdateToDictionary(child, updatedItems, inDepth + 1, includeObject, checkForExpression);
|
|
}
|
|
|
|
var depth2 = inDepth;
|
|
if (includeObject(inItem)
|
|
&& (!checkForExpression || HasExpressionWithString(inItem, "=", true)))
|
|
{
|
|
var itemToAdd = inItem;
|
|
while (itemToAdd != null
|
|
&& depth2 >= 0)
|
|
{
|
|
updatedItems[itemToAdd] = new UpdateItem()
|
|
{
|
|
depth = depth2,
|
|
item = itemToAdd
|
|
};
|
|
depth2--;
|
|
itemToAdd = itemToAdd?.Parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Find the sheet that the given item will reference
|
|
/// </summary>
|
|
/// <param name="item">The item to start the search from</param>
|
|
/// <returns></returns>
|
|
private static IVariableContainer FindFirstVariableContainer(IObject3D item)
|
|
{
|
|
// look through all the parents
|
|
foreach (var parent in item.Parents())
|
|
{
|
|
// then each child of any give parent
|
|
foreach (var sibling in parent.Children)
|
|
{
|
|
// if it is a sheet
|
|
if (sibling != item
|
|
&& sibling is IVariableContainer variableContainer)
|
|
{
|
|
return variableContainer;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private static ArrayObject3D FindParentArray(IObject3D item, int wantLevel)
|
|
{
|
|
int foundLevel = 0;
|
|
// look through all the parents
|
|
foreach (var parent in item.Parents())
|
|
{
|
|
// if it is a ArrayObject3D
|
|
if (parent is ArrayObject3D arrayObject)
|
|
{
|
|
if (foundLevel == wantLevel)
|
|
{
|
|
return arrayObject;
|
|
}
|
|
|
|
foundLevel++;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private static string GetDisplayName(PropertyInfo prop)
|
|
{
|
|
var nameAttribute = prop.GetCustomAttributes(true).OfType<DisplayNameAttribute>().FirstOrDefault();
|
|
return nameAttribute?.DisplayName ?? prop.Name.SplitCamelCase();
|
|
}
|
|
|
|
private static string ReplaceConstantsWithValues(IObject3D owner, string stringWithConstants)
|
|
{
|
|
string Replace(string inputString, string setting)
|
|
{
|
|
if (constants.ContainsKey(setting))
|
|
{
|
|
var value = constants[setting];
|
|
|
|
// braces then brackets replacement
|
|
inputString = inputString.Replace("[" + setting + "]", value(owner).ToString());
|
|
}
|
|
|
|
return inputString;
|
|
}
|
|
|
|
MatchCollection matches = ConstantFinder.Matches(stringWithConstants);
|
|
|
|
for (int i = 0; i < matches.Count; i++)
|
|
{
|
|
var replacementTerm = matches[i].Value;
|
|
stringWithConstants = Replace(stringWithConstants, replacementTerm);
|
|
}
|
|
|
|
return stringWithConstants;
|
|
}
|
|
|
|
private static string SearchSiblingProperties(IObject3D owner, string inExpression)
|
|
{
|
|
var parent = owner.Parent;
|
|
if (parent != null)
|
|
{
|
|
var matches = ConstantFinder.Matches(inExpression);
|
|
|
|
for (int i = 0; i < matches.Count; i++)
|
|
{
|
|
var constant = matches[i].Value;
|
|
// split inExpression on .
|
|
var splitExpression = constant.Split('.');
|
|
if (splitExpression.Length == 2)
|
|
{
|
|
foreach (var child in parent.Children)
|
|
{
|
|
// skip if owner
|
|
if (child != owner)
|
|
{
|
|
var itemName = splitExpression[0];
|
|
var propertyName = splitExpression[1];
|
|
// if child has the same name as itemName
|
|
if (child.Name == itemName)
|
|
{
|
|
// enumerate public properties on child
|
|
foreach (var property in child.GetType().GetProperties())
|
|
{
|
|
var displayName = GetDisplayName(property);
|
|
// if property name matches propertyName
|
|
if (displayName == propertyName)
|
|
{
|
|
// return the value
|
|
var expression = child.GetType().GetProperty(property.Name).GetValue(child, null).ToString();
|
|
var value = EvaluateExpression<double>(child, expression).ToString();
|
|
inExpression = inExpression.Replace("[" + constant + "]", value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return inExpression;
|
|
}
|
|
}
|
|
} |