Add ability to add charts to WordParagraph

This PR fixes:
https://github.com/EvotecIT/OfficeIMO/issues/143
It allows to add chartto existing paragraph (before it was only possible to assign chart to document).
WordParagraphnow contains IsChart and Chart object
WordDocumentand WordSectioncontains ParagraphsChartsand Chartslists
public static void Example_AddingMultipleCharts(string folderPath, bool openWord) {
    Console.WriteLine("[*] Creating standard document with charts");
    string filePath = System.IO.Path.Combine(folderPath, "Charts Document.docx");

    using (WordDocument document = WordDocument.Create(filePath)) {
        List<string> categories = new List<string>() {
            "Food", "Housing", "Mix", "Data"
        };

        var paragraphToTest = document.AddParagraph("Test showing adding chart right to existing paragraph");

        // adding charts to document
        document.AddParagraph("This is a bar chart");
        var barChart1 = document.AddBarChart();
        barChart1.AddCategories(categories);
        barChart1.AddChartBar("Brazil", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.Brown);
        barChart1.AddChartBar("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);
        barChart1.AddChartBar("USA", new[] { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        barChart1.BarGrouping = BarGroupingValues.Clustered;
        barChart1.BarDirection = BarDirectionValues.Column;

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        document.AddParagraph("This is a bar chart");
        var barChart2 = document.AddBarChart();
        barChart2.AddCategories(categories);
        barChart2.AddChartBar("USA", 15, Color.Aqua);
        barChart2.RoundedCorners = true;

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        document.AddParagraph("This is a pie chart");
        var pieChart = document.AddPieChart();
        pieChart.AddCategories(categories);
        pieChart.AddChartPie("Poland", new List<int> { 15, 20, 30 });

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        document.AddParagraph("Adding a line chart as required 1");

        var lineChart = document.AddLineChart();
        lineChart.AddChartAxisX(categories);
        lineChart.AddChartLine("USA", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        lineChart.AddChartLine("Brazil", new List<int>() { 10, 35, 300, 18 }, SixLabors.ImageSharp.Color.Brown);
        lineChart.AddChartLine("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        document.AddParagraph("Adding a line chart as required 2");

        var lineChart2 = document.AddLineChart();
        lineChart2.AddChartAxisX(categories);
        lineChart2.AddChartLine("USA", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        lineChart2.AddChartLine("Brazil", new List<int>() { 10, 35, 300, 18 }, SixLabors.ImageSharp.Color.Brown);
        lineChart2.AddChartLine("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        // adding charts to paragraphs directly
        var paragraph = document.AddParagraph("This is a bar chart - but assigned to paragraph 1");
        var barChart3 = paragraph.AddBarChart();
        barChart3.AddCategories(categories);
        barChart3.AddChartBar("Brazil", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.Brown);
        barChart3.AddChartBar("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);
        barChart3.AddChartBar("USA", new[] { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        barChart3.BarGrouping = BarGroupingValues.Clustered;
        barChart3.BarDirection = BarDirectionValues.Column;

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        var paragraph1 = document.AddParagraph("This is a bar chart - but assigned to paragraph 2");
        var barChart5 = paragraph1.AddBarChart();
        barChart5.AddCategories(categories);
        barChart5.AddChartBar("USA", 15, Color.Aqua);
        barChart5.RoundedCorners = true;

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        var paragraph2 = document.AddParagraph("This is a pie chart - but assigned to paragraph");
        var pieChart1 = paragraph2.AddPieChart();
        pieChart1.AddCategories(categories);
        pieChart1.AddChartPie("Poland", new List<int> { 15, 20, 30 });

        var paragraph3 = document.AddParagraph("Adding a line chart as required 1 - but assigned to paragraph");
        var lineChart3 = paragraph3.AddLineChart();
        lineChart3.AddChartAxisX(categories);
        lineChart3.AddChartLine("USA", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        lineChart3.AddChartLine("Brazil", new List<int>() { 10, 35, 300, 18 }, SixLabors.ImageSharp.Color.Brown);
        lineChart3.AddChartLine("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        var paragraph4 = document.AddParagraph("Adding a line chart as required 2 - but assigned to paragraph");
        var lineChart4 = paragraph4.AddLineChart();
        lineChart4.AddChartAxisX(categories);
        lineChart4.AddChartLine("USA", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        lineChart4.AddChartLine("Brazil", new List<int>() { 10, 35, 300, 18 }, SixLabors.ImageSharp.Color.Brown);
        lineChart4.AddChartLine("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        // lets add chart to first paragraph
        var lineChart5 = paragraphToTest.AddLineChart();
        lineChart5.AddChartAxisX(categories);
        lineChart5.AddChartLine("USA", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        lineChart5.AddChartLine("Brazil", new List<int>() { 10, 35, 300, 18 }, SixLabors.ImageSharp.Color.Brown);
        lineChart5.AddChartLine("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        var table = document.AddTable(3, 3);
        table.Rows[0].Cells[0].Paragraphs[0].AddBarChart();
        barChart3.AddCategories(categories);
        barChart3.AddChartBar("Brazil", new List<int>() { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.Brown);
        barChart3.AddChartBar("Poland", new List<int>() { 13, 20, 230, 150 }, SixLabors.ImageSharp.Color.Green);
        barChart3.AddChartBar("USA", new[] { 10, 35, 18, 23 }, SixLabors.ImageSharp.Color.AliceBlue);
        barChart3.BarGrouping = BarGroupingValues.Clustered;
        barChart3.BarDirection = BarDirectionValues.Column;

        Console.WriteLine("Charts count: " + document.Sections[0].Charts.Count);

        Console.WriteLine("Images count: " + document.Sections[0].Images.Count);

        document.Save(openWord);
    }
}
EvotecIT / OfficeIMO

Add ability to add charts to WordParagraph #144
