ArguedLearningExamplesView.xaml

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<UserControl x:Class="CN2.UC.ArguedLearningExamplesView.ArguedLearningExamplesView"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:local="clr-namespace:CN2.UC.ArguedLearningExamplesView"

xmlns:numericUpDown="clr-namespace:CN2.UC.NumericUpDown"

mc:Ignorable="d"

d:DesignHeight="300" d:DesignWidth="600">

<UserControl.Resources>

<Image x:Key="SaveImage" Source="../../Images/Save_16x.png"/>

<Image x:Key="OpenImage" Source="../../Images/Open_16x.png"/>

<Image x:Key="LearnImage" Source="../../Images/Learn_16x.png"/>

</UserControl.Resources>

<Grid>

<Menu x:Name="menu" Height="22" VerticalAlignment="Top">

<Button x:Name="buttonLoadExamples" Content="{StaticResource OpenImage}" Height="16" Width="20" Click="buttonLoadExamples_Click" ToolTip="Загрузить примеры из файла"/>

<Button x:Name="buttonSaveExamples" Content="{StaticResource SaveImage}" Height="16" Width="20" Click="buttonSaveExamples_Click" ToolTip="Сохранить примеры в файл"/>

<Label x:Name="labelStarSize" Content="STARSIZE:" Padding="0"/>

<numericUpDown:NumericUpDown x:Name="numericUpDownStarSize" Value="3" Width="40"/>

<Label x:Name="labelHeapSize" Content="HEAPSIZE:" Padding="0"/>

<numericUpDown:NumericUpDown x:Name="numericUpDownHeapSize" Value="3" Width="40"/>

<Label x:Name="labelCoversCount" Content="Количество наборов:" Padding="0"/>

<numericUpDown:NumericUpDown x:Name="numericUpDownCoversCount" Value="2" Width="40"/>

<Button x:Name="buttonLearn" Content="{StaticResource LearnImage}" Height="16" Width="20" Click="buttonLearn_Click" ToolTip="Провести обучение"/>

</Menu>

<DataGrid x:Name="dataGrid" Margin="0,22,0,0" AutoGenerateColumns="False" CanUserReorderColumns="False" CanUserAddRows="True" CanUserDeleteRows="True" CanUserResizeRows="False" RowHeight="24" HeadersVisibility="Column" InitializingNewItem="dataGrid_InitializingNewItem" CellEditEnding="dataGrid_CellEditEnding" GotFocus="dataGrid_GotFocus" CanUserSortColumns="True" MouseUp="dataGrid_MouseUp">

</DataGrid>

</Grid>

</UserControl>

ArguedLearningExamplesView.xaml.cs

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Runtime.Remoting.Channels;

using System.Text;

using System.Threading.Tasks;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Controls.Primitives;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using System.Xml.Linq;

using CN2.Core.DataStructures;

using CN2.UC.LearningExamplesView;

using Microsoft.Win32;

namespace CN2.UC.ArguedLearningExamplesView

{

/// <summary>

/// Interaction logic for ArguedLearningExamplesView.xaml

/// </summary>

public partial class ArguedLearningExamplesView: UserControl

{

/// <summary>

/// Набор типов атрибутов.

/// </summary>

private AttributeTypeSet _attributeTypeSet;

/// <summary>

/// Список аргументированных примеров в представлении для элемента управления.

/// </summary>

private List<ArguedLearningExamplesDataGridItem> _items;

public ArguedLearningExamplesView()

{

InitializeComponent();

numericUpDownCoversCount.OnValueChanged += numericUpDownCoversCount_OnValueChanged;

}

public void SetAttributeTypes(AttributeTypeSet attributeTypesSet)

{

_attributeTypeSet = attributeTypesSet;

//List<CheckBox> becauseExpressionItems = new List<CheckBox>();

//List<CheckBox> despiteExpressionItems = new List<CheckBox>();

dataGrid.Columns.Clear();

DataGridCheckBoxColumn isUseColumn = new DataGridCheckBoxColumn()

{

Header = "Использовать",

Width = 30,

Binding = new Binding("IsUse")

};

dataGrid.Columns.Add(isUseColumn);

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

DataGridComboBoxColumn predictiveAttributeTypeColumn = new DataGridComboBoxColumn()

{

Header = _attributeTypeSet.PredictiveAttributeTypes[i].Name,

Width = 100,

ItemsSource = _attributeTypeSet.PredictiveAttributeTypes[i].Values,

TextBinding = new Binding("PredictiveAttributeValues[" + i + "].Value"),

};

dataGrid.Columns.Add(predictiveAttributeTypeColumn);

DataGridCheckBoxColumn becauseExpressionColumn = new DataGridCheckBoxColumn()

{

Header = "Потому что",

Width = 30,

Binding =

new Binding("PredictiveAttributeValues[" + i + "].IsBecauseExpression")

{

Mode = BindingMode.TwoWay,

UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged

}

};

dataGrid.Columns.Add(becauseExpressionColumn);

DataGridCheckBoxColumn despiteExpressionColumn = new DataGridCheckBoxColumn()

{

Header = "Несмотря на",

Width = 30,

Binding =

new Binding("PredictiveAttributeValues[" + i + "].IsDespiteExpression")

{

Mode = BindingMode.TwoWay,

UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged

}

};

dataGrid.Columns.Add(despiteExpressionColumn);

}

DataGridComboBoxColumn decisiveAttributeValueColumn = new DataGridComboBoxColumn()

{

Header = _attributeTypeSet.DecisiveAttributeType.Name,

Width = 100,

ItemsSource = _attributeTypeSet.DecisiveAttributeType.Values,

TextBinding = new Binding("DecisiveAttributeValue"),

CellStyle =

new Style(typeof(DataGridCell)) { Setters = { new Setter() { Property = ForegroundProperty, Value = Brushes.Blue } } }

};

dataGrid.Columns.Add(decisiveAttributeValueColumn);

//DataGridComboBoxColumn becauseExpressionColumn = new DataGridComboBoxColumn()

//{

// Header = "Потому что",

// ItemsSource = becauseExpressionItems

//};

// dataGrid.Columns.Add(becauseExpressionColumn);

//DataGridComboBoxColumn despiteExpressionColumn = new DataGridComboBoxColumn()

//{

// Header = "Несмотря на",

// ItemsSource = despiteExpressionItems

//};

// dataGrid.Columns.Add(despiteExpressionColumn);

_items = new List<ArguedLearningExamplesDataGridItem>();

dataGrid.ItemsSource = _items;

}

#region средства для сериализации и десериализации списка примеров

private void buttonLoadExamples_Click(object sender, RoutedEventArgs e)

{

try

{

//using (StreamReader sr = new StreamReader("C://gaga.txt"))

//{

// while (!sr.EndOfStream)

// {

// string s1 = sr.ReadLine();

// s1 = s1.TrimStart();

// string[] s2 = s1.Split(',');

// _items.Add(new ArguedLearningExamplesDataGridItem()

// {

// IsUse = true,

// PredictiveAttributeValues =

// new List<PredictiveAttributeValue>()

// {

// new PredictiveAttributeValue(s2[0], false, false),

// new PredictiveAttributeValue(s2[1], false, false),

// new PredictiveAttributeValue(s2[2], false, false),

// new PredictiveAttributeValue(s2[3], false, false),

// new PredictiveAttributeValue(s2[4], false, false),

// new PredictiveAttributeValue(s2[5], false, false),

// },

// DecisiveAttributeValue = s2[6]

// });

// }

//}

//dataGrid.Items.Refresh();

OpenFileDialog ofd = new OpenFileDialog()

{

Filter = SerializationData.FileDialogFilter,

Title = SerializationData.LoadExamplesFileDialogTitle

};

Nullable<bool> ofdResult = ofd.ShowDialog();

if (ofdResult == true)

{

var attributeTypes = _attributeTypeSet.GetAttributeTypes();

XDocument examplesXDocument = XDocument.Load(ofd.FileName);

foreach (var examplesXElement in examplesXDocument.Elements())

{

if (examplesXElement.Name.ToString().Equals(SerializationData.ExamplesNode))

{

foreach (var exampleXElement in examplesXElement.Elements())

{

if (exampleXElement.Name.ToString().Equals(SerializationData.ExampleNode))

{

ArguedLearningExamplesDataGridItem item = new ArguedLearningExamplesDataGridItem();

AttributeType[] predictiveValuesType = new AttributeType[_attributeTypeSet.PredictiveAttributeTypes.Count];

string[] predictiveValues = new string[_attributeTypeSet.PredictiveAttributeTypes.Count];

bool[] predictiveValuesIsDecisive = new bool[_attributeTypeSet.PredictiveAttributeTypes.Count];

bool[] predictiveValuesIsBecause = new bool[_attributeTypeSet.PredictiveAttributeTypes.Count];

bool[] predictiveValuesIsDespite = new bool[_attributeTypeSet.PredictiveAttributeTypes.Count];

AttributeType decisiveValueType = null;

string decisiveValue = string.Empty;

bool decisiveValuieIsDecisive = false;

bool decisiveValuieIsBecause = false;

bool decisiveValuieIsDespite = false;

// признак того, что следует перейти к следующзему примеру

bool isNeedContinue = false;

foreach (var exampleXAttribute in exampleXElement.Attributes())

{

if (exampleXAttribute.Name.ToString().Equals(SerializationData.IsUse))

{

bool isUse;

if (Boolean.TryParse(exampleXAttribute.Value, out isUse))

{

item.IsUse = isUse;

}

else

{

if (OnErrorOccured!= null)

{

OnErrorOccured(this, @"Недопустимое значение атрибута ""Использовать"".");

isNeedContinue = true;

break;

}

}

}

}

if (isNeedContinue)

{

continue;

}

foreach (var exampleAttributeXElement in exampleXElement.Elements())

{

AttributeType type = null;

string value = string.Empty;

bool isDecisive = false;

bool isBecause = false;

bool isDespite = false;

int predictiveAttributeIndex = -1;

foreach (var exampleAttributeXAttribute in exampleAttributeXElement.Attributes())

{

switch (exampleAttributeXAttribute.Name.ToString())

{

case SerializationData.ExampleAttributeTypeName:

{

if (exampleAttributeXAttribute.Value.Equals(_attributeTypeSet.DecisiveAttributeType.Name))

{

type = _attributeTypeSet.DecisiveAttributeType;

}

else

{

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

var attributeType = _attributeTypeSet.PredictiveAttributeTypes[i];

if (exampleAttributeXAttribute.Value.Equals(attributeType.Name))

{

type = attributeType;

predictiveAttributeIndex = i;

break;

}

}

}

}

break;

case SerializationData.ExampleAttrinuteValue:

{

value = exampleAttributeXAttribute.Value;

}

break;

case SerializationData.ExampleAttributeIsDecisive:

{

Boolean.TryParse(exampleAttributeXAttribute.Value, out isDecisive);

}

break;

case SerializationData.ExampleAttributeIsBecause:

{

Boolean.TryParse(exampleAttributeXAttribute.Value, out isBecause);

}

break;

case SerializationData.ExampleAttributeIsDespite:

{

Boolean.TryParse(exampleAttributeXAttribute.Value, out isDespite);

}

break;

}

if (isNeedContinue)

{

break;

}

}

// todo проверить наличие значения у типа данных и если всё хорошо

if (isDecisive)

{

decisiveValueType = type;

decisiveValue = value;

decisiveValuieIsDecisive = isDecisive;

decisiveValuieIsBecause = isBecause;

decisiveValuieIsDespite = isDespite;

}

else

{

predictiveValuesType[predictiveAttributeIndex] = type;

predictiveValues[predictiveAttributeIndex] = value;

predictiveValuesIsDecisive[predictiveAttributeIndex] = isDecisive;

predictiveValuesIsBecause[predictiveAttributeIndex] = isBecause;

predictiveValuesIsDespite[predictiveAttributeIndex] = isDespite;

}

if (isNeedContinue)

{

break;

}

}

if (isNeedContinue)

{

continue;

}

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

item.PredictiveAttributeValues.Insert(i,

new PredictiveAttributeValue(predictiveValues[i], predictiveValuesIsBecause[i],

predictiveValuesIsDespite[i]));

}

item.DecisiveAttributeValue = decisiveValue;

_items.Add(item);

}

}

}

}

dataGrid.Items.Refresh();

if (OnFileLoaded!= null)

{

OnFileLoaded(sender, "Примеры загружены из файла " + ofd.FileName + ".");

}

}

}

catch (Exception ex)

{

if (OnErrorOccured!= null)

{

OnErrorOccured(this, ex.Message);

}

}

}

private void buttonSaveExamples_Click(object sender, RoutedEventArgs e)

{

try

{

SaveFileDialog sfd = new SaveFileDialog()

{

Title = SerializationData.SaveExamplesFileDialogTitle,

Filter = SerializationData.FileDialogFilter,

FileName = "examples"

};

Nullable<bool> sfdResult = sfd.ShowDialog();

if (sfdResult == true)

{

XElement examplesXElement = new XElement(SerializationData.ExamplesNode);

foreach (var example in _items)

{

XElement exampleXElement = new XElement(SerializationData.ExampleNode, new XAttribute(SerializationData.IsUse, example.IsUse));

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

exampleXElement.Add(new XElement(SerializationData.ExampleAttributeNode,

new XAttribute(SerializationData.ExampleAttributeTypeName,

_attributeTypeSet.PredictiveAttributeTypes[i].Name),

new XAttribute(SerializationData.ExampleAttrinuteValue, example.PredictiveAttributeValues[i].Value),

new XAttribute(SerializationData.ExampleAttributeIsDecisive, false),

new XAttribute(SerializationData.ExampleAttributeIsBecause, example.PredictiveAttributeValues[i].IsBecauseExpression),

new XAttribute(SerializationData.ExampleAttributeIsDespite, example.PredictiveAttributeValues[i].IsDespiteExpression)));

}

exampleXElement.Add(new XElement(SerializationData.ExampleAttributeNode,

new XAttribute(SerializationData.ExampleAttributeTypeName, _attributeTypeSet.DecisiveAttributeType.Name),

new XAttribute(SerializationData.ExampleAttrinuteValue, example.DecisiveAttributeValue),

new XAttribute(SerializationData.ExampleAttributeIsDecisive, true),

new XAttribute(SerializationData.ExampleAttributeIsBecause, false),

new XAttribute(SerializationData.ExampleAttributeIsDespite, false)));

examplesXElement.Add(exampleXElement);

}

new XDocument(examplesXElement).Save(sfd.FileName);

if (OnFileSaved!= null)

{

OnFileSaved(sender, "Примеры сохранены в файл " + sfd.FileName + ".");

}

}

}

catch (Exception ex)

{

if (OnErrorOccured!= null)

{

OnErrorOccured(this, ex.Message);

}

}

}

#endregion средства для сериализации и десериализации списка примеров

/// <summary>

/// Возвращает список обучающих примеров.

/// </summary>

/// <returns></returns>

public List<ArguedLearnableExample> GetExamples()

{

List<ArguedLearnableExample> examples = new List<ArguedLearnableExample>();

foreach (var item in _items)

{

if (!item.IsUse)

{

continue;

}

List<AttributeValue> predictiveAttributes = new List<AttributeValue>();

List<IExpressionMember> becauseExpressionValues = new List<IExpressionMember>();

List<IExpressionMember> despiteExpressionValues = new List<IExpressionMember>();

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

var attributeValue = new AttributeValue(_attributeTypeSet.PredictiveAttributeTypes[i],

item.PredictiveAttributeValues[i].Value);

predictiveAttributes.Add(attributeValue);

if (item.PredictiveAttributeValues[i].IsBecauseExpression)

{

becauseExpressionValues.Add(attributeValue);

}

if (item.PredictiveAttributeValues[i].IsDespiteExpression)

{

despiteExpressionValues.Add(attributeValue);

}

}

examples.Add(new ArguedLearnableExample(predictiveAttributes,

new AttributeValue(_attributeTypeSet.DecisiveAttributeType, item.DecisiveAttributeValue),

new Core.DataStructures.Expression(Operation.Con, becauseExpressionValues),

despiteExpressionValues.Count == 0

? null

: new Core.DataStructures.Expression(Operation.Con, despiteExpressionValues)));

}

return examples;

}

/// <summary>

/// Возвращает STARSIZE.

/// </summary>

/// <returns>STARSIZE.</returns>

public int GetStarSize()

{

return numericUpDownStarSize.Value;

}

/// <summary>

/// Возвращает HEAPSIZE.

/// </summary>

/// <returns>HEAPSIZE.</returns>

public int GetHeapSize()

{

return numericUpDownHeapSize.Value;

}

/// <summary>

/// Возвращает количество проходов алгоритма.

/// </summary>

/// <returns>Количество проходов алгоритма.</returns>

public int GetCoversCount()

{

return numericUpDownCoversCount.Value;

}

#region обработчики событий элемента управления dataGrid

private void dataGrid_InitializingNewItem(object sender, InitializingNewItemEventArgs e)

{

for (int i = 0; i < _attributeTypeSet.PredictiveAttributeTypes.Count; i++)

{

_items.Last()

.PredictiveAttributeValues.Insert(i,

new PredictiveAttributeValue(_attributeTypeSet.PredictiveAttributeTypes[i].Values.First(), false, false));

}

_items.Last().DecisiveAttributeValue = _attributeTypeSet.DecisiveAttributeType.Values.First();

}

private void dataGrid_GotFocus(object sender, RoutedEventArgs e)

{

if (e.OriginalSource.GetType() == typeof(DataGridCell))

{

dataGrid.BeginEdit(e);

}

}

private void dataGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)

{

ArguedLearningExamplesDataGridItem item = (ArguedLearningExamplesDataGridItem)e.Row.Item;

if (item.IsValid)

{

e.Row.Foreground = new SolidColorBrush(Color.FromRgb(0, 0, 0));

}

else

{

e.Row.Foreground = new SolidColorBrush(Color.FromRgb(255, 0, 0));

}

}

private void buttonLearn_Click(object sender, RoutedEventArgs e)

{

OnLearn?.Invoke(this, null);

}

#region средства для установки аргументации

/// <summary>

/// Признак активного режима установки

/// </summary>

private bool _isSettingBecauseArgumentMode;

private bool _isSettingDespiteArgumentMode;

private List<AttributeValue> _becauseExpressionAttributeValues;

private List<AttributeValue> _despiteExpressionAttributeValues;

private void setBecauseExpressionButton_Click(object sender, RoutedEventArgs e)

{

if (_isSettingDespiteArgumentMode)

{

FlushDespiteExpression();

}

if (_isSettingBecauseArgumentMode)

{

FlushBecauseExpression();

}

else

{

_isSettingBecauseArgumentMode = true;

_becauseExpressionAttributeValues = new List<AttributeValue>();

}

}

private void setDespiteExpressionButton_Click(object sender, RoutedEventArgs e)

{

if (_isSettingBecauseArgumentMode)

{

FlushBecauseExpression();

}

if (_isSettingDespiteArgumentMode)

{

FlushDespiteExpression();

}

else

{

_isSettingDespiteArgumentMode = true;

}

}

private void FlushBecauseExpression()

{

_isSettingBecauseArgumentMode = false;

_becauseExpressionAttributeValues = null;

}

private void FlushDespiteExpression()

{

_isSettingDespiteArgumentMode = false;

_despiteExpressionAttributeValues = null;

}

private void dataGridCell_MouseDown(object sender, MouseButtonEventArgs e)

{

}

private void dataGrid_MouseUp(object sender, MouseButtonEventArgs e)

{

#region определление индекса и значения

int columnIndex = 0;

string value = string.Empty;

DependencyObject dep = (DependencyObject) e.OriginalSource;

while (dep!= null &&!(dep is DataGridCell) &&!(dep is DataGridColumnHeader))

{

dep = VisualTreeHelper.GetParent(dep);

}

if (dep == null)

{

return;

}

if (dep is DataGridCell)

{

DataGridCell cell = dep as DataGridCell;

columnIndex = cell.Column.DisplayIndex;

}

if (dep is DataGridColumnHeader)

{

DataGridColumnHeader header = dep as DataGridColumnHeader;

columnIndex = header.DisplayIndex;

}

if (columnIndex <= 2 || columnIndex > 2 + _attributeTypeSet.PredictiveAttributeTypes.Count)

{

return;

}

#endregion определление индекса и значения

if (_isSettingBecauseArgumentMode && _isSettingDespiteArgumentMode)

{

if (OnErrorOccured!= null)

{

OnErrorOccured(this, "Ошибка ввода аргументации примеров.");

}

_isSettingBecauseArgumentMode = false;

_isSettingDespiteArgumentMode = false;

}

if (_isSettingBecauseArgumentMode)

{

_becauseExpressionAttributeValues.Add(new AttributeValue(_attributeTypeSet.PredictiveAttributeTypes[columnIndex], value));

}

if (_isSettingDespiteArgumentMode)

{

_despiteExpressionAttributeValues.Add(new AttributeValue(_attributeTypeSet.PredictiveAttributeTypes[columnIndex], value));

}

}

#endregion средства для установки аргументации

private void numericUpDownCoversCount_OnValueChanged(object sender, int value)

{

if (OnCoversCountChanged!= null)

{

OnCoversCountChanged(this, numericUpDownCoversCount.Value);

}

}

#endregion обработчики событий элемента управления dataGrid

#region события

public delegate void ErrorOccuredHandler(object sender, string message);

public event ErrorOccuredHandler OnErrorOccured;

public delegate void FileSavedHandler(object sender, string message);

public event FileSavedHandler OnFileSaved;

public delegate void FileLoadedHandler(object sender, string message);

public event FileLoadedHandler OnFileLoaded;

public delegate void LearnHandler(object sender, EventArgs e);

public event LearnHandler OnLearn;

public delegate void CoversCountChangedHandler(object sender, int coversCount);

public event CoversCountChangedHandler OnCoversCountChanged;

#endregion события

}

}

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