using ExamTopics;
using Newtonsoft.Json;
using Microsoft.Web.WebView2.WinForms;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using iTextSharp.tool.xml.css;
public partial class DiscussionViewerForm : Form
{
private List
_allData = new();
private List _filteredData = new();
private int _currentIndex = 0;
private string _jsonPath = "ExamTopicsData.json";
string searchStoreFile = Path.Combine(Application.StartupPath, "last_search.txt");
private string simpleStoreFile = Path.Combine(Application.StartupPath, "simple_list.txt");
private HashSet simpleMarked = new HashSet();
public DiscussionViewerForm()
{
InitializeComponent();
this.Load += DiscussionViewerForm_Load; // Add Form Load event
}
private async void DiscussionViewerForm_Load(object sender, EventArgs e)
{
await webView.EnsureCoreWebView2Async(null);
// Listen when a page finishes loading
webView.CoreWebView2.NavigationCompleted += CoreWebView2_NavigationCompleted;
LoadData();
if (File.Exists(simpleStoreFile))
{
simpleMarked = new HashSet(File.ReadAllLines(simpleStoreFile));
}
if (File.Exists(searchStoreFile))
{
try
{
string lastSearch = File.ReadAllText(searchStoreFile);
txtSearch.Text = lastSearch;
// ✅ Auto trigger search if exists
if (!string.IsNullOrWhiteSpace(lastSearch))
btnSearch.PerformClick();
}
catch { }
}
}
private void btnSimple_Click(object sender, EventArgs e)
{
if (_filteredData.Count == 0) return;
var current = _filteredData[_currentIndex];
string key = current.Id?.ToString() ?? current.Url; // choose any unique field
if (!string.IsNullOrWhiteSpace(key))
{
simpleMarked.Add(key);
File.WriteAllLines(simpleStoreFile, simpleMarked);
btnNext.PerformClick(); // auto move to next
}
}
private async void CoreWebView2_NavigationCompleted(object sender, Microsoft.Web.WebView2.Core.CoreWebView2NavigationCompletedEventArgs e)
{
string css = @"
.show { display: none !important; }
.full-width-header { display: none !important; }
.action-row-container { display: none !important; }
.contrib__ulimited.contrib__block { display: none !important; }
.question-discussion-header { display: none !important; }
";
string script = $@"
let style = document.createElement('style');
style.innerHTML = `{css}`;
document.head.appendChild(style);
";
try
{
await webView.ExecuteScriptAsync(script);
}
catch (Exception ex)
{
MessageBox.Show("CSS Injection Error: " + ex.Message);
}
}
private void LoadData()
{
if (!File.Exists(_jsonPath))
{
MessageBox.Show("JSON file not found!");
return;
}
var json = File.ReadAllText(_jsonPath);
_allData = JsonConvert.DeserializeObject>(json) ?? new();
_filteredData = _allData.ToList();
}
private void DisplayRecord()
{
if (_filteredData.Count == 0)
{
webView.NavigateToString("No records found
");
lblCounter.Text = "0 / 0";
return;
}
var rec = _filteredData[_currentIndex];
// ✅ Navigate using Chrome Engine (WebView2)
webView.CoreWebView2.Navigate(rec.Link);
lblCounter.Text = $"{_currentIndex + 1} / {_filteredData.Count}";
}
private void btnNext_Click(object sender, EventArgs e)
{
do
{
if (_currentIndex < _filteredData.Count - 1)
_currentIndex++;
else break;
} while (IsSimple(_filteredData[_currentIndex]));
DisplayRecord();
}
private bool IsSimple(dynamic record)
{
string key = record.Id?.ToString() ?? record.Url;
return !string.IsNullOrWhiteSpace(key) && simpleMarked.Contains(key);
}
private void btnPrev_Click(object sender, EventArgs e)
{
if (_currentIndex > 0)
{
_currentIndex--;
DisplayRecord();
}
}
private void btnSearch_Click(object sender, EventArgs e)
{
string term = txtSearch.Text.Trim();
// ✅ Save search text to file
try
{
File.WriteAllText(searchStoreFile, term);
}
catch { }
var terms = term.ToLower()
.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.ToList();
if (terms.Count == 0)
_filteredData = _allData.ToList();
else
{
_filteredData = _allData
.Where(x =>
terms.Any(t =>
(x.Title != null && x.Title.ToLower().Contains(t)) ||
(x.Content != null && x.Content.ToLower().Contains(t))
)
).ToList();
}
_currentIndex = 0;
lblFoundCount.Text = $"{_filteredData.Count} records found";
DisplayRecord();
}
public class DiscussionRecord
{
public string Url { get; set; }
public string Title { get; set; }
public string Content { get; set; }
public DateTime ScrapedOn { get; set; }
public string Link { get; set; }
public string Id { get; set; }
}
}
using Microsoft.Web.WebView2.WinForms;
partial class DiscussionViewerForm
{
private System.ComponentModel.IContainer components = null;
private WebView2 webView;
private System.Windows.Forms.TextBox txtSearch;
private System.Windows.Forms.Button btnSearch;
private System.Windows.Forms.Button btnPrev;
private System.Windows.Forms.Button btnNext;
private System.Windows.Forms.Label lblCounter;
private System.Windows.Forms.Label lblFoundCount; // ✅ new label
private System.Windows.Forms.Button btnSimple;
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
private void InitializeComponent()
{
webView = new WebView2();
txtSearch = new TextBox();
btnSearch = new Button();
btnPrev = new Button();
btnNext = new Button();
lblCounter = new Label();
lblFoundCount = new Label();
btnSimple = new Button();
((System.ComponentModel.ISupportInitialize)webView).BeginInit();
SuspendLayout();
//
// webView
//
webView.AllowExternalDrop = true;
webView.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
webView.CreationProperties = null;
webView.DefaultBackgroundColor = Color.White;
webView.Location = new Point(12, 45);
webView.Name = "webView";
webView.Size = new Size(760, 420);
webView.TabIndex = 0;
webView.ZoomFactor = 1D;
//
// txtSearch
//
txtSearch.Font = new Font("Segoe UI", 10F);
txtSearch.Location = new Point(12, 12);
txtSearch.Name = "txtSearch";
txtSearch.Size = new Size(300, 25);
txtSearch.TabIndex = 1;
//
// btnSearch
//
btnSearch.Font = new Font("Segoe UI", 9F);
btnSearch.Location = new Point(318, 12);
btnSearch.Name = "btnSearch";
btnSearch.Size = new Size(70, 25);
btnSearch.TabIndex = 2;
btnSearch.Text = "Search";
btnSearch.UseVisualStyleBackColor = true;
btnSearch.Click += btnSearch_Click;
//
// btnPrev
//
btnPrev.Font = new Font("Segoe UI", 9F);
btnPrev.Location = new Point(395, 12);
btnPrev.Name = "btnPrev";
btnPrev.Size = new Size(60, 25);
btnPrev.TabIndex = 3;
btnPrev.Text = "<< Prev";
btnPrev.UseVisualStyleBackColor = true;
btnPrev.Click += btnPrev_Click;
//
// btnNext
//
btnNext.Font = new Font("Segoe UI", 9F);
btnNext.Location = new Point(460, 12);
btnNext.Name = "btnNext";
btnNext.Size = new Size(60, 25);
btnNext.TabIndex = 4;
btnNext.Text = "Next >>";
btnNext.UseVisualStyleBackColor = true;
btnNext.Click += btnNext_Click;
//
// lblCounter
//
lblCounter.AutoSize = true;
lblCounter.Font = new Font("Segoe UI", 10F);
lblCounter.Location = new Point(360, 477);
lblCounter.Name = "lblCounter";
lblCounter.Size = new Size(38, 19);
lblCounter.TabIndex = 5;
lblCounter.Text = "0 / 0";
//
// lblFoundCount
//
lblFoundCount.AutoSize = true;
lblFoundCount.Font = new Font("Segoe UI", 10F, FontStyle.Bold);
lblFoundCount.Location = new Point(602, 13);
lblFoundCount.Name = "lblFoundCount";
lblFoundCount.Size = new Size(115, 19);
lblFoundCount.TabIndex = 6;
lblFoundCount.Text = "0 records found";
//
// btnSimple
//
btnSimple.Font = new Font("Segoe UI", 9F);
btnSimple.Location = new Point(526, 12);
btnSimple.Name = "btnSimple";
btnSimple.Size = new Size(70, 25);
btnSimple.TabIndex = 7;
btnSimple.Text = "Simple ✓";
btnSimple.UseVisualStyleBackColor = true;
btnSimple.Click += btnSimple_Click;
//
// DiscussionViewerForm
//
AutoScaleDimensions = new SizeF(7F, 15F);
AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(784, 511);
Controls.Add(webView);
Controls.Add(txtSearch);
Controls.Add(btnSearch);
Controls.Add(btnPrev);
Controls.Add(btnNext);
Controls.Add(lblCounter);
Controls.Add(lblFoundCount);
Controls.Add(btnSimple);
Name = "DiscussionViewerForm";
StartPosition = FormStartPosition.CenterScreen;
Text = "ExamTopics Discussion Viewer";
((System.ComponentModel.ISupportInitialize)webView).EndInit();
ResumeLayout(false);
PerformLayout();
}
}
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