private void loadToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "XML files (*.xml)|*.xml";
DialogResult dr = ofd.ShowDialog(this);
if (dr == DialogResult.OK)
{
// Now we need to verify the xml data.
Stream file = ofd.OpenFile();
ChapterInfo[] chapters = ParseXMLChapterInfo(file);
file.Close();
if (chapters.Length == 0)
{
// If the file is not valid...
// Display error message.
MessageBox.Show(this, "There were no valid chapter found in the selected file.");
return;
}
else
{
// If the file is good...
// Are there any chapters currently in the window?
if (chapterCount != 0)
{
// Yes, ask user if they would like to save.
string result = PromptDialog.Show(
"Data Exists",
"Data is already populated in the table. What would you like to do?",
new string[] { "Discard", "Save", "Merge", "Cancel" });
if (result == "Cancel")
{
return;
}
if (result == "Save")
{
if (SaveCurrentChapters() == false)
return;
ClearAllChapters();
}
if (result == "Merge")
{
MergeDialog dlg = new MergeDialog(chapters[0].Title != "", chapters[0].StartTime != "" || chapters[0].Duration != "", chapters[0].UID != "");
DialogResult res = dlg.ShowDialog();
if (res == DialogResult.Cancel)
{
return;
}
else
{
// Get the current chapter info data.
ChapterInfo[] currentChapters = GetCurrentChapters();
int numChapters = Math.Max(currentChapters.Length, chapters.Length);
ChapterInfo[] newChapters = new ChapterInfo[numChapters];
// Find out what needs to be merged...
for (int i = 0; i < numChapters; i++)
{
if (i < currentChapters.Length)
{
newChapters[i] = new ChapterInfo(currentChapters[i].Title, currentChapters[i].StartTime, currentChapters[i].Duration, currentChapters[i].UID);
}
else
{
newChapters[i] = new ChapterInfo(chapters[i].Title, chapters[i].StartTime, chapters[i].Duration, chapters[i].UID);
}
if (i < chapters.Length)
{
if (dlg.UseTimeStamps == true)
{
newChapters[i].StartTime = chapters[i].StartTime;
newChapters[i].Duration = chapters[i].Duration;
}
if (dlg.UseTitles == true)
{
newChapters[i].Title = chapters[i].Title;
}
if (dlg.UseUIDs == true)
{
newChapters[i].UID = chapters[i].UID;
}
}
}
ClearAllChapters();
AddChapters(newChapters);
return;
}
}
if (result == "Discard")
{
// Clear all chapters from the window.
ClearAllChapters();
}
}
// Load the chapters from the new file into the display window.
AddChapters(chapters);
}
}
}
/// <summary>
/// Handles data from a drag and drop operation. It is
/// expected that this will be chapter information from
/// Barnes & Noble.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_DragDrop(object sender, DragEventArgs e)
{
string data = (string)e.Data.GetData(typeof(string));
ChapterInfo[] chapters = ParseDragDropData(data);
this.Activate();
if (chapters != null && chapters.Length == 0)
{
// If the file is not valid...
// Display error message
MessageBox.Show(this, "There were no valid chapter found.");
return;
}
else
{
// If the file is good...
// Are there any chapters currently in the window?
if (chapterCount != 0)
{
// Yes, ask user if they would like to save.
string result = PromptDialog.Show(
"Data Exists",
"Data is already populated in the table. What would you like to do?",
new string[] { "Discard", "Save", "Merge", "Cancel" });
if (result == "Cancel")
{
return;
}
if (result == "Save")
{
if (SaveCurrentChapters() == false)
return;
ClearAllChapters();
}
if (result == "Merge")
{
MergeDialog dlg = new MergeDialog(chapters[0].Title != "", chapters[0].StartTime!="" || chapters[0].Duration != "", chapters[0].UID != "");
DialogResult res = dlg.ShowDialog();
if (res == DialogResult.Cancel)
{
return;
}
else
{
// Get the current chapter info data.
ChapterInfo[] currentChapters = GetCurrentChapters();
int numChapters = Math.Max(currentChapters.Length, chapters.Length);
ChapterInfo[] newChapters = new ChapterInfo[numChapters];
// Find out what needs to be merged...
for (int i = 0; i < numChapters; i++)
{
if (i < currentChapters.Length)
{
newChapters[i] = new ChapterInfo(currentChapters[i].Title, currentChapters[i].StartTime, currentChapters[i].Duration, currentChapters[i].UID);
}
else
{
newChapters[i] = new ChapterInfo(chapters[i].Title, chapters[i].StartTime, chapters[i].Duration, chapters[i].UID);
}
if (i < chapters.Length)
{
if (dlg.UseTimeStamps == true)
{
newChapters[i].StartTime = chapters[i].StartTime;
newChapters[i].Duration = chapters[i].Duration;
}
if (dlg.UseTitles == true)
{
newChapters[i].Title = chapters[i].Title;
}
if (dlg.UseUIDs == true)
{
newChapters[i].UID = chapters[i].UID;
}
}
}
ClearAllChapters();
AddChapters(newChapters);
return;
}
}
if (result == "Discard")
{
// Clear all chapters from the window.
ClearAllChapters();
}
}
// Load the chapters from the new file into the display window.
AddChapters(chapters);
}
}