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vod頁面上下頁循環

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allen.yan 2025-08-08 10:31:59 +08:00
parent f8a6e5c40d
commit 74740b1048
1 changed files with 107 additions and 79 deletions
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186
PrimaryFormParts/PrimaryForm.MultiPagePanel.cs
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@ -6,29 +6,30 @@ using System.Text;
namespace DualScreenDemo
{
public partial class PrimaryForm : Form{
public partial class PrimaryForm : Form
{
public class MultiPagePanel : Panel
{
private const int ItemHeight = 70;
private const int RowGap = 2;
private int itemsPerPage
private int itemsPerPage
{
get
{
Screen screen = Screen.PrimaryScreen;
int screenWidth = screen.Bounds.Width;
int screenHeight = screen.Bounds.Height;
if(screenWidth==1440 && screenHeight==900)
if (screenWidth == 1440 && screenHeight == 900)
{
return 14;
return 14;
}
else if(screenWidth==1024 && screenHeight==768)
else if (screenWidth == 1024 && screenHeight == 768)
{
return 12;
return 12;
}
else if(screenWidth == 1920 && screenHeight == 1080)
else if (screenWidth == 1920 && screenHeight == 1080)
{
return 16;
return 16;
}
return 16; // 預設值
}
@ -43,12 +44,12 @@ namespace DualScreenDemo
public bool IsSimplified
{
get { return _isSimplified; }
set
{
set
{
if (_isSimplified != value)
{
_isSimplified = value;
if(currentArtistList != null && currentArtistList.Count > 0)
if (currentArtistList != null && currentArtistList.Count > 0)
RefreshDisplayBase_Singer();
else
RefreshDisplay();
@ -57,7 +58,8 @@ namespace DualScreenDemo
}
private bool _isShowingSinger = true;
private List<SongData> currentSongList = new List<SongData>();
public List<SongData> get_currentSongList(){
public List<SongData> get_currentSongList()
{
return currentSongList;
}
private List<Artist> currentArtistList = new List<Artist>();
@ -68,30 +70,30 @@ namespace DualScreenDemo
public int currentPageIndex
{
get { return _currentPageIndex; }
set
{
set
{
if (_currentPageIndex != value)
{
_currentPageIndex = value;
// 觸發事件，通知頁面索引已改變
PageIndexChanged?.Invoke();
}
}
}
}
public int totalPages
{
get { return _totalPages; }
set
{
set
{
if (_totalPages != value)
{
_totalPages = value;
// 觸發事件，通知頁面索引已改變
PageIndexChanged?.Invoke();
}
}
}
}
public MultiPagePanel()
{
this.SetStyle(
@ -102,7 +104,7 @@ namespace DualScreenDemo
true);
this.BackColor = Color.FromArgb(64, 0, 0, 0);
this.BorderStyle = BorderStyle.None;
// 添加滑動事件
this.MouseDown += MultiPagePanel_MouseDown;
this.MouseMove += MultiPagePanel_MouseMove;
@ -125,12 +127,12 @@ namespace DualScreenDemo
int deltaX = e.X - mouseDownLocation.X;
if (Math.Abs(deltaX) > 20) // 滑動距離超過50像素才觸發
{
if (deltaX > 0 && currentPageIndex > 0)
if (deltaX > 0 )
{
// 向右滑動，上一頁
LoadPreviousPage();
}
else if (deltaX < 0 && currentPageIndex < totalPages - 1)
else if (deltaX < 0)
{
// 向左滑動，下一頁
LoadNextPage();
@ -149,7 +151,7 @@ namespace DualScreenDemo
{
currentPageIndex++;
// 如果歌單為0(沒有歌單)，則刷新歌手列表
if(_isShowingSinger)
if (_isShowingSinger)
{
RefreshDisplayBase_Singer();
}
@ -158,21 +160,41 @@ namespace DualScreenDemo
RefreshDisplay();
}
}
else
{
if (totalPages > 1)
{
currentPageIndex = -1;
LoadNextPage();
}
}
}
public void LoadPreviousPage()
{
if (currentPageIndex - 1 >= 0)
{
currentPageIndex--;
if(_isShowingSinger)
if (_isShowingSinger)
{
RefreshDisplayBase_Singer();
}
else
{
RefreshDisplay();
}
}
else
{
if (totalPages > 1)
{
currentPageIndex = totalPages;
LoadPreviousPage();
}
}
}
public void LoadSongs(List<SongData> songs, bool clearHistory = false)
@ -182,7 +204,7 @@ namespace DualScreenDemo
currentArtistList.Clear();
currentPageIndex = 0;
totalPages = (int)Math.Ceiling(songs.Count / (double)itemsPerPage);
// 直接調用基礎刷新邏輯
RefreshDisplayBase();
}
@ -204,7 +226,7 @@ namespace DualScreenDemo
currentArtistList.Clear();
currentPageIndex = 0;
totalPages = (int)Math.Ceiling(songs.Count / (double)itemsPerPage);
// 直接調用基礎刷新邏輯
RefreshDisplayBase();
}
@ -225,10 +247,10 @@ namespace DualScreenDemo
}
this.SuspendLayout(); // 暫停 UI 更新，提高效能
this.Controls.Clear(); // 清空 UI (這裡會再清除一次)
int startIndex = currentPageIndex * itemsPerPage;
int endIndex = Math.Min(startIndex + itemsPerPage, currentSongList.Count);
for (int i = startIndex; i < endIndex; i++)
{
CreateSongLabel(currentSongList[i], i - startIndex, startIndex); // 這行負責新增 UI
@ -237,7 +259,7 @@ namespace DualScreenDemo
}
private void RefreshDisplayBase_Singer()
{
this.Controls.Clear();
this.Controls.Clear();
if (this.InvokeRequired) // 確保 UI 操作在主執行緒執行
{
this.Invoke(new Action(() => RefreshDisplayBase_Singer()));
@ -245,30 +267,30 @@ namespace DualScreenDemo
}
this.SuspendLayout(); // 暫停 UI 更新，提高效能
this.Controls.Clear(); // 清空 UI (這裡會再清除一次)
int startIndex = currentPageIndex * itemsPerPage;
int endIndex = Math.Min(startIndex + itemsPerPage, currentArtistList.Count);
for (int i = startIndex; i < endIndex; i++)
{
CreateSingerLabel(currentArtistList[i], i - startIndex, startIndex); // 這行負責新增 UI
}
this.ResumeLayout(); // 恢復 UI 更新
this.Invalidate();
this.Invalidate();
}
private void CreateSingerLabel(Artist artist, int index, int pageOffset)
{
// 創建歌手標籤
Label artistLabel = new Label();
string artistText = IsSimplified ?
(!string.IsNullOrEmpty(artist.NameSimplified) ? artist.NameSimplified : artist.Name) :
string artistText = IsSimplified ?
(!string.IsNullOrEmpty(artist.NameSimplified) ? artist.NameSimplified : artist.Name) :
artist.Name;
artistLabel.Text = artistText;
artistLabel.Tag = artist;
artistLabel.AutoSize = true;
// 計算文字寬度
artistLabel.Font = new Font("微軟正黑體", 22, FontStyle.Bold);
Screen screen = Screen.PrimaryScreen;
@ -282,22 +304,22 @@ namespace DualScreenDemo
_ => 8 // 預設值
};
// 計算位置 - 依照NumberOfItem來計算
bool isLeftColumn = index < NumberOfItem;
bool isLeftColumn = index < NumberOfItem;
int row = isLeftColumn ? index : index - NumberOfItem; // 如果是右边,需要减去8来计算正确的行号
float startX = isLeftColumn ? LeftColumnX : RightColumnX;
int y = row * (ItemHeight + RowGap);
// 計算歌手標籤的位置和大小
int singerX = (int)(this.Width * startX);
int singerWidth = (int)(this.Width * (SongWidth+ArtistWidth));
int singerWidth = (int)(this.Width * (SongWidth + ArtistWidth));
// 字體顏色
artistLabel.ForeColor = Color.White;
// 標籤座標設定
artistLabel.Location = new Point(singerX, y);
artistLabel.Size = new Size(singerWidth + 20, ItemHeight);
Panel separatorPanel = new Panel
{
Location = new Point(singerX , y + ItemHeight),
Location = new Point(singerX, y + ItemHeight),
//Size = new Size(singerWidth + 20, 2),
Size = new Size(730, 2),
BackColor = Color.FromArgb(80, 255, 255, 255),
@ -306,28 +328,30 @@ namespace DualScreenDemo
// 字體調整和字體背景顏色
artistLabel.TextAlign = ContentAlignment.TopLeft;
artistLabel.BackColor = Color.Transparent;
// 設置滑鼠事件
EventHandler mouseEnter = (sender, e) => {
// 變更歌手名稱為黃色
artistLabel.ForeColor = Color.Yellow;
// 增強分隔線的亮度，使其更明顯
separatorPanel.BackColor = Color.FromArgb(120, 255, 255, 255);
EventHandler mouseEnter = (sender, e) =>
{
// 變更歌手名稱為黃色
artistLabel.ForeColor = Color.Yellow;
// 增強分隔線的亮度，使其更明顯
separatorPanel.BackColor = Color.FromArgb(120, 255, 255, 255);
};
EventHandler mouseLeave = (sender, e) => {
// 還原歌手名稱為白色
artistLabel.ForeColor = Color.White;
// 還原分隔線的亮度
separatorPanel.BackColor = Color.FromArgb(80, 255, 255, 255);
EventHandler mouseLeave = (sender, e) =>
{
// 還原歌手名稱為白色
artistLabel.ForeColor = Color.White;
// 還原分隔線的亮度
separatorPanel.BackColor = Color.FromArgb(80, 255, 255, 255);
};
artistLabel.Click += (sender, e) =>
artistLabel.Click += (sender, e) =>
{
string searchText = artistLabel.Text; // 取得輸入內容
// 歌星 轉 歌曲
string query = IsSimplified ?
(
!string.IsNullOrEmpty(artist.NameSimplified)?
!string.IsNullOrEmpty(artist.NameSimplified) ?
$"SELECT * FROM song_library_cache WHERE artistA_simplified = '{searchText}' OR artistB_simplified = '{searchText}'"
: $"SELECT * FROM song_library_cache WHERE artistA = '{searchText}' OR artistB = '{searchText}'"
)
@ -357,7 +381,7 @@ namespace DualScreenDemo
this.Controls.Add(artistLabel);
// 將歌手標籤置於最上層
artistLabel.BringToFront();
}
private void CreateSongLabel(SongData song, int index, int pageOffset)
@ -386,7 +410,7 @@ namespace DualScreenDemo
string fullText = songText + statusText;
int textLength = fullText.Length;
// 計算文字寬度
songLabel.Font = new Font("微軟正黑體", 22, FontStyle.Bold);
songLabel.Text = fullText;
@ -402,21 +426,21 @@ namespace DualScreenDemo
int screenWidth = screen.Bounds.Width;
int screenHeight = screen.Bounds.Height;
int NumberOfItem = 0;
if(screenWidth==1440 && screenHeight==900)
if (screenWidth == 1440 && screenHeight == 900)
{
NumberOfItem = 7;
NumberOfItem = 7;
}
else if(screenWidth==1024 && screenHeight==768)
else if (screenWidth == 1024 && screenHeight == 768)
{
NumberOfItem = 6;
NumberOfItem = 6;
}
else if(screenWidth == 1920 && screenHeight == 1080)
else if (screenWidth == 1920 && screenHeight == 1080)
{
NumberOfItem = 8;
NumberOfItem = 8;
}
// 計算位置 - 依照NumberOfItem來計算
bool isLeftColumn = index < NumberOfItem;
int row = isLeftColumn ? index : index - NumberOfItem;
bool isLeftColumn = index < NumberOfItem;
int row = isLeftColumn ? index : index - NumberOfItem;
float startX = isLeftColumn ? LeftColumnX : RightColumnX;
int y = row * (ItemHeight + RowGap);
// 設置位置和大小
@ -439,7 +463,7 @@ namespace DualScreenDemo
};
this.Controls.Add(icon);
icon.BringToFront();
// 有圖標時歌名右移
songLabel.Location = new Point(songX + 42, y);
//songLabel.Size = new Size(songWidth - 47, ItemHeight - 20);
@ -455,18 +479,20 @@ namespace DualScreenDemo
// 歌手標籤位置調整
artistLabel.Location = new Point(artistX, y + 33);
artistLabel.Size = new Size(artistWidth - 10, ItemHeight - 35);
if (artistText.Length > 3)
{
artistLabel.Location = new Point(artistX - 95, y + 33);
artistLabel.Size = new Size(artistWidth + 90, ItemHeight - 35);
}
if (song.getB() != null)
{
artistText += " + " + song.getArtist_B(IsSimplified);
artistLabel.Location = new Point(artistX - 95, y + 33);
artistLabel.Size = new Size(artistWidth + 90, ItemHeight - 35);
//artistLabel.Location = new Point(artistX - 95, y + 33);
//artistLabel.Size = new Size(artistWidth + 90, ItemHeight - 35);
}
if (artistText.Length > 3)
{
artistLabel.Location = new Point(artistX - 581, y + 33);
artistLabel.Size = new Size(artistWidth + 573, ItemHeight - 35);
}
artistLabel.Text = artistText;
// 創建分隔線面板
Panel separatorPanel = new Panel
@ -487,24 +513,26 @@ namespace DualScreenDemo
artistLabel.Font = new Font("微軟正黑體", fold, FontStyle.Bold);
//artistLabel.ForeColor = Color.FromArgb(30,144,255);
artistLabel.ForeColor = Color.FromArgb(36,209,216);
artistLabel.ForeColor = Color.FromArgb(36, 209, 216);
songLabel.TextAlign = ContentAlignment.MiddleLeft;
artistLabel.TextAlign = ContentAlignment.MiddleRight;
// 確保背景透明
songLabel.BackColor = Color.Transparent;
artistLabel.BackColor = Color.Transparent;
// 定義滑鼠進入 (MouseEnter) 事件的處理程序
EventHandler mouseEnter = (sender, e) => {
EventHandler mouseEnter = (sender, e) =>
{
songLabel.ForeColor = Color.Yellow;
artistLabel.ForeColor = Color.Yellow;
separatorPanel.BackColor = Color.FromArgb(120, 255, 255, 255);
};
// 定義滑鼠離開 (MouseLeave) 事件的處理程序
EventHandler mouseLeave = (sender, e) => {
EventHandler mouseLeave = (sender, e) =>
{
songLabel.ForeColor = color;
//artistLabel.ForeColor = Color.FromArgb(30, 144, 255);
artistLabel.ForeColor = Color.FromArgb(36,209,216);
artistLabel.ForeColor = Color.FromArgb(36, 209, 216);
separatorPanel.BackColor = Color.FromArgb(80, 255, 255, 255);
};
// 添加事件处理