Changeset 2 for Common/FormFind.cs

Timestamp:

Feb 14, 2019, 5:29:40 PM (5 years ago)

Author:

chronos

Message:

• Added: Registry extension methods.
• Added: Search history in Find dialog.

File:

• Common/FormFind.cs (modified) (7 diffs)

Common/FormFind.cs

@@ -8 +8 @@
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using Microsoft.Win32;
 
 namespace Common
@@ -14 +15 @@
     {
         public RichTextBoxEx richTextBox;
-        FormDimensions formDimensions;
+        public string regSubKey;
+        public int maxHistoryCount;
 
         public FormFind()
         {
             InitializeComponent();
-            formDimensions = new FormDimensions();
+            regSubKey = "Find";
+            maxHistoryCount = 20;
         }
 
@@ -57 +60 @@
         private void SearchText(bool reverse = false)
         {
+            if (comboBoxWhat.Text.Trim() != "")
+            {
+                string previousText = comboBoxWhat.Text;
+                int index = comboBoxWhat.Items.IndexOf(comboBoxWhat.Text);
+                if (index >= 0) comboBoxWhat.Items.RemoveAt(index);
+                comboBoxWhat.Text = previousText;
+                comboBoxWhat.Items.Insert(0, comboBoxWhat.Text);
+                
+                while (comboBoxWhat.Items.Count > maxHistoryCount)
+                    comboBoxWhat.Items.RemoveAt(comboBoxWhat.Items.Count - 1);
+            }
+
             while (true)
             {
-                int newPos = FindText(textBoxWhat.Text.Trim(), richTextBox.SelectionStart, richTextBox.SelectionLength, reverse);
+                int newPos = FindText(comboBoxWhat.Text.Trim(), richTextBox.SelectionStart, richTextBox.SelectionLength, reverse);
                 if (newPos >= 0)
                 {
                     richTextBox.SelectionColor = Color.Red;
-                    richTextBox.Select(newPos, textBoxWhat.Text.Length);
+                    richTextBox.Select(newPos, comboBoxWhat.Text.Length);
                     richTextBox.ScrollToCaret();
                 }
@@ -94 +109 @@
             DpiScaling.Apply(this);
             this.Icon = Icon.ExtractAssociatedIcon(Application.Execut‌​ablePath);
-            formDimensions.Load(this, Owner);
-            textBoxWhat.Focus();
+            new FormDimensions().Load(this, Owner);
+            comboBoxWhat.Focus();
+            LoadFromRegistry();
             UpdateInterface();
         }
@@ -106 +122 @@
         private void FormFind_FormClosing(object sender, FormClosingEventArgs e)
         {
+            SaveToRegistry();
             richTextBox.formFind = null;
-            formDimensions.Save(this, Owner);
+            new FormDimensions().Save(this, Owner);
         }
 
@@ -115 +132 @@
             {
                 buttonFindNext.PerformClick();
+            } else
+            if (e.KeyChar == 27)
+            {
+                Close();
             }
         }
@@ -120 +141 @@
         private void UpdateInterface()
         {
-            buttonFindNext.Enabled = textBoxWhat.Text.Length > 0;
-            buttonFindPrevious.Enabled = textBoxWhat.Text.Length > 0;
+            buttonFindNext.Enabled = comboBoxWhat.Text.Length > 0;
+            buttonFindPrevious.Enabled = comboBoxWhat.Text.Length > 0;
+        }
+
+        public void LoadFromRegistry()
+        {
+            RegistryKey regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey);
+            if (regKey == null) regKey = Application.UserAppDataRegistry.CreateSubKey(regSubKey);
+
+            checkBoxMatchWholeWordOnly.Checked = regKey.GetValueBool("MatchWholeWordOnly", false);
+            checkBoxMatchCase.Checked = regKey.GetValueBool("MatchCase", false);
+
+            regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey + "\\History");
+            if (regKey == null) regKey = Application.UserAppDataRegistry.CreateSubKey(regSubKey + "\\History");
+            int count = regKey.GetValueInt("Count", 0);
+            comboBoxWhat.BeginUpdate();
+            while (comboBoxWhat.Items.Count > count) comboBoxWhat.Items.RemoveAt(comboBoxWhat.Items.Count - 1);
+            while (comboBoxWhat.Items.Count < count) comboBoxWhat.Items.Add("");
+            for (int i = 0; i < count; i++)
+            {
+                comboBoxWhat.Items[i] = (string)regKey.GetValue(i.ToString(), "");
+            }
+            comboBoxWhat.EndUpdate();
+        }
+
+        public void SaveToRegistry()
+        {
+            RegistryKey regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey, true);
+            if (regKey == null) regKey = Application.UserAppDataRegistry.CreateSubKey(regSubKey);
+
+            regKey.SetValue("MatchWholeWordOnly", checkBoxMatchWholeWordOnly.Checked);
+            regKey.SetValue("MatchCase", checkBoxMatchCase.Checked);
+
+            regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey + "\\History", true);
+            if (regKey == null) regKey = Application.UserAppDataRegistry.CreateSubKey(regSubKey + "\\History");
+
+            int i = 0;
+            regKey.SetValue("Count", comboBoxWhat.Items.Count);
+            foreach (var item in comboBoxWhat.Items)
+            {
+                regKey.SetValue(i.ToString(), item);
+                i++;
+            }
+
+            while (true)
+            {
+                List<string> names = regKey.GetValueNames().ToList();
+                if (names.IndexOf(i.ToString()) != -1)
+                {
+                    regKey.DeleteValue(i.ToString());
+                }
+                else break;
+                i++;
+            }
         }
     }