private void deleteSingleToolStripMenuItem_Click(object sender, EventArgs e)
{
if (singlesListView.SelectedItems.Count == 1)
{
MusicSingle single = (MusicSingle)singlesListView.SelectedItems[0].Tag;
removeSingleInModel(single);
OnActivated(EventArgs.Empty);
}
}
public void removeSingle(MusicSingle single)
{
int idx = singlesList.FindIndex(s => s.Title == single.Title &&
s.Author == single.Author && s.TrackDate == single.TrackDate);
if (idx != -1)
{
singlesList.RemoveAt(idx);
}
onDeleted(new MyEventArgs(single, isNewer(single), false));
}
private ListViewItem getItem(MusicSingle single)
{
foreach (ListViewItem item in singlesListView.Items)
{
if (ReferenceEquals(single, item.Tag))
{
return(item);
}
}
return(null);
}
public void editSingle(MusicSingle single, String title, String author, DateTime trackDate, MusicStyle style)
{
single.Title = title;
single.Author = author;
DateTime oldDate = single.TrackDate;
single.TrackDate = trackDate;
single.Style = style;
bool changedGeneration = isChangedGeneration(oldDate, trackDate);
onEdited(new MyEventArgs(single, isNewer(single), changedGeneration));
}
// Methods for updating appropriate form
private void addedSingle(object sender, MyEventArgs e)
{
MusicSingle lastSingle = model.getLastSingle();
if (allCheckBox.Checked || (newerCheckBox.Checked && lastSingle.TrackDate.Year >= 2000) ||
(olderCheckBox.Checked && lastSingle.TrackDate.Year < 2000))
{
ListViewItem item = new ListViewItem();
item.Tag = model.getLastSingle();
updateItem(item);
singlesListView.Items.Add(item);
}
}
//To update item in ListView
private void updateItem(ListViewItem item)
{
MusicSingle single = (MusicSingle)item.Tag;
// 5 due to zeroColumn
while (item.SubItems.Count < 5)
{
item.SubItems.Add(new ListViewItem.ListViewSubItem());
}
item.SubItems[1].Text = single.Title;
item.SubItems[2].Text = single.Author;
item.SubItems[3].Text = single.TrackDate.ToShortDateString();
item.SubItems[4].Text = single.Style.ToString();
}
private void editSingleToolStripMenuItem_Click(object sender, EventArgs e)
{
if (singlesListView.SelectedItems.Count == 1)
{
MusicSingle single = (MusicSingle)singlesListView.SelectedItems[0].Tag;
AddEditForm dialogForm = new AddEditForm(single);
if (dialogForm.ShowDialog() == DialogResult.OK)
{
editSingleInModel(single, dialogForm.SingleTitle, dialogForm.SingleAuthor,
dialogForm.SingleTrackDate, dialogForm.SingleStyle);
OnActivated(EventArgs.Empty);
}
}
}
private void deletedSingle(object sender, MyEventArgs e)
{
MusicSingle single = e.getSingle();
bool isNewer = e.getNewer();
if (allCheckBox.Checked || (newerCheckBox.Checked && isNewer) ||
(olderCheckBox.Checked && !isNewer))
{
if (single != null)
{
ListViewItem item = getItem(single);
getItem(single).Remove();
}
}
}
private void editedSingle(object sender, MyEventArgs e)
{
MusicSingle single = e.getSingle();
bool isNewerSingle = e.getNewer();
bool isChangedGeneration = e.getChangedGeneration();
if (allCheckBox.Checked)
{
updateItem(getItem(single));
}
else
{
if ((newerCheckBox.Checked && isNewerSingle) ||
(olderCheckBox.Checked && !isNewerSingle))
{
if (isChangedGeneration)
{
ListViewItem item = new ListViewItem();
item.Tag = single;
updateItem(item);
singlesListView.Items.Add(item);
}
else
{
updateItem(getItem(single));
}
}
else
{
if (isChangedGeneration)
{
if ((newerCheckBox.Checked && !isNewerSingle) ||
(olderCheckBox.Checked && isNewerSingle))
{
ListViewItem item = getItem(single);
item.Remove();
}
}
}
}
}
public AddEditForm(MusicSingle single)
{
this.single = single;
this.Load += new System.EventHandler(addEditForm_Load);
InitializeComponent();
}
protected void editSingleInModel(MusicSingle single, String singleTitle, String singleAuthor, DateTime singleTrackDate, MusicStyle singleStyle)
{
model.editSingle(single, singleTitle, singleAuthor, singleTrackDate, singleStyle);
}
public MyEventArgs(MusicSingle single)
{
this.single = single;
}
private static bool isNewer(MusicSingle single)
{
return(single.TrackDate.Year >= 2000);
}
public void addSingle(MusicSingle single)
{
singlesList.Add(single);
onAdded(new MyEventArgs());
}
protected void removeSingleInModel(MusicSingle single)
{
model.removeSingle(single);
}
public MyEventArgs(MusicSingle single, bool newer, bool changedGeneration)
{
this.single = single;
this.newer = newer;
this.changedGeneration = changedGeneration;
}
protected void addSingleToModel(String singleTitle, String singleAuthor, DateTime singleTrackDate, MusicStyle singleStyle)
{
MusicSingle newSingle = new MusicSingle(singleTitle, singleAuthor, singleTrackDate, singleStyle);
model.addSingle(newSingle);
}
