win/C#/frmQueue.cs

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.ComponentModel;\r
   4 using System.Data;\r
   5 using System.Drawing;\r
   6 using System.Text;\r
   7 using System.Windows.Forms;\r
   8 using System.Threading;\r
   9 using System.Diagnostics;\r
  10 \r
  11 namespace Handbrake\r
  12 {\r
  13     public partial class frmQueue : Form\r
  14     {\r
  15         private delegate void ProgressUpdateHandler();\r
  16 \r
  17         public frmQueue()\r
  18         {\r
  19             InitializeComponent();\r
  20         }\r
  21 \r
  22         int initialListCount = 0;\r
  23         bool started = false;\r
  24 \r
  25       \r
  26         private void btn_q_encoder_Click(object sender, EventArgs e)\r
  27         {\r
  28             progressBar.Value = 0;\r
  29             lbl_progressValue.Text = "0 %";\r
  30             progressBar.Step = 100 / list_queue.Items.Count;\r
  31             progressBar.Update();\r
  32             ThreadPool.QueueUserWorkItem(startProc);\r
  33         }\r
  34 \r
  35         /*\r
  36          * \r
  37          * Code to Handle the CLI and updating of the UI as each process is completed.\r
  38          * \r
  39          */\r
  40         private void startProc(object state)\r
  41         {\r
  42             started = true;\r
  43             initialListCount = list_queue.Items.Count;\r
  44             for (int i = 0; i < initialListCount; i++)\r
  45             {\r
  46                 string query = list_queue.Items[0].ToString();\r
  47 \r
  48                 Functions.CLI process = new Functions.CLI();\r
  49                 Process hbProc = process.runCli(this, query, false, false, false, false);\r
  50                 \r
  51                 hbProc.WaitForExit();\r
  52                 hbProc.Close();\r
  53                 hbProc.Dispose();\r
  54                 updateUIElements();\r
  55 \r
  56                 if ((initialListCount - i) != (list_queue.Items.Count))\r
  57                 {\r
  58                     initialListCount++;\r
  59                 }\r
  60             }\r
  61             started = false;\r
  62             resetQueue();\r
  63             MessageBox.Show("Encode Queue Completed!", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);\r
  64         }\r
  65 \r
  66         private void updateUIElements()\r
  67         {\r
  68             if (this.InvokeRequired)\r
  69             {\r
  70                 this.BeginInvoke(new ProgressUpdateHandler(updateUIElements));\r
  71                 return;\r
  72             }\r
  73             this.list_queue.Items.RemoveAt(0);\r
  74             progressBar.PerformStep();\r
  75             lbl_progressValue.Text = string.Format("{0} %", progressBar.Value);\r
  76             progressBar.Update();\r
  77         }\r
  78 \r
  79         private void resetQueue()\r
  80         {\r
  81             if (this.InvokeRequired)\r
  82             {\r
  83                 this.BeginInvoke(new ProgressUpdateHandler(resetQueue));\r
  84                 return;\r
  85             }\r
  86             lbl_progressValue.Text = "0 %";\r
  87             progressBar.Value = 0;\r
  88             progressBar.Update();\r
  89         }\r
  90 \r
  91         /*\r
  92          * \r
  93          * Code to Re-arrange / Delete items from the Queue\r
  94          * \r
  95          */\r
  96         private void btn_up_Click(object sender, EventArgs e)\r
  97         {\r
  98             int count = list_queue.Items.Count;\r
  99             int itemToMove = list_queue.SelectedIndex;\r
 100             int previousItemint = 0;\r
 101             String previousItem = "";\r
 102 \r
 103             if (itemToMove > 0)\r
 104             {\r
 105                 previousItemint = itemToMove - 1;\r
 106                 previousItem = list_queue.Items[previousItemint].ToString();\r
 107                 list_queue.Items[previousItemint] = list_queue.Items[itemToMove];\r
 108                 list_queue.Items[itemToMove] = previousItem;\r
 109                 list_queue.SelectedIndex = list_queue.SelectedIndex - 1;\r
 110             }\r
 111         }\r
 112 \r
 113         private void btn_down_Click(object sender, EventArgs e)\r
 114         {\r
 115             int count = list_queue.Items.Count;\r
 116             int itemToMove = list_queue.SelectedIndex;\r
 117             int itemAfterInt = 0;\r
 118             String itemAfter = "";\r
 119 \r
 120             if (itemToMove < (count - 1))\r
 121             {\r
 122                 itemAfterInt = itemToMove + 1;\r
 123                 itemAfter = list_queue.Items[itemAfterInt].ToString();\r
 124                 list_queue.Items[itemAfterInt] = list_queue.Items[itemToMove];\r
 125                 list_queue.Items[itemToMove] = itemAfter;\r
 126                 list_queue.SelectedIndex = list_queue.SelectedIndex + 1;\r
 127             }\r
 128         }\r
 129 \r
 130         private void btn_delete_Click(object sender, EventArgs e)\r
 131         {\r
 132             list_queue.Items.Remove(list_queue.SelectedItem);\r
 133             if (started == true)\r
 134                 initialListCount--;\r
 135         }\r
 136 \r
 137         /*\r
 138          * Hide the Queue Window\r
 139          */\r
 140         private void btn_Close_Click(object sender, EventArgs e)\r
 141         {\r
 142             this.Hide();\r
 143         }\r
 144     }\r
 145 }