mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
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桌面环境：增加环境变量APP并给Paint应用程序增加更多画图工具
This commit is contained in:
253
Gui/Apps/EnvironmentVariables.cs
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253
Gui/Apps/EnvironmentVariables.cs
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using System.Collections.Generic;
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using System.Drawing;
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namespace CMLeonOS.Gui.Apps
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{
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internal class EnvironmentVariables : Process
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{
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internal EnvironmentVariables() : base("Environment Variables", ProcessType.Application) { }
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private AppWindow window;
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private Window header;
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private Table variableTable;
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private Button addButton;
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private Button editButton;
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private Button deleteButton;
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private Button refreshButton;
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private readonly WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private readonly EnvironmentVariableManager envManager = EnvironmentVariableManager.Instance;
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private readonly List<string> rowNames = new List<string>();
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private readonly List<string> rowValues = new List<string>();
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private const int padding = 8;
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private const int toolbarHeight = 32;
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private const int headerHeight = 54;
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private const int buttonWidth = 78;
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private const int buttonHeight = 24;
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private string statusText = "Manage variables stored in 0:\\system\\env.dat";
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private void SetStatus(string text)
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{
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statusText = text;
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RenderHeader();
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}
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private void RenderHeader()
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{
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header.Clear(Color.FromArgb(235, 241, 248));
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header.DrawRectangle(0, 0, header.Width, header.Height, Color.FromArgb(180, 192, 208));
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header.DrawString("Environment Variables", Color.FromArgb(28, 38, 52), 12, 10);
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header.DrawString(statusText, Color.FromArgb(97, 110, 126), 12, 30);
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wm.Update(header);
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}
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private void UpdateStatusFromSelection()
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{
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if (variableTable.SelectedCellIndex >= 0 && variableTable.SelectedCellIndex < rowNames.Count)
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{
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SetStatus($"Selected: {rowNames[variableTable.SelectedCellIndex]}={rowValues[variableTable.SelectedCellIndex]}");
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return;
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}
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SetStatus($"Loaded {rowNames.Count} variable(s) from 0:\\system\\env.dat");
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}
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private void PopulateTable()
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{
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string selectedName = null;
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if (variableTable.SelectedCellIndex >= 0 && variableTable.SelectedCellIndex < rowNames.Count)
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{
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selectedName = rowNames[variableTable.SelectedCellIndex];
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}
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rowNames.Clear();
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rowValues.Clear();
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variableTable.Cells.Clear();
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variableTable.SelectedCellIndex = -1;
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string[] variables = envManager.GetAllVariablesAsLines();
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for (int i = 0; i < variables.Length; i++)
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{
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string line = variables[i] ?? string.Empty;
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int equalIndex = line.IndexOf('=');
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string name = equalIndex >= 0 ? line.Substring(0, equalIndex) : line;
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string value = equalIndex >= 0 ? line.Substring(equalIndex + 1) : string.Empty;
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rowNames.Add(name);
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rowValues.Add(value);
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}
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for (int i = 0; i < rowNames.Count; i++)
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{
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variableTable.Cells.Add(new TableCell($"{rowNames[i]}={rowValues[i]}", rowNames[i]));
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}
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if (!string.IsNullOrWhiteSpace(selectedName))
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{
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for (int i = 0; i < rowNames.Count; i++)
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{
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if (rowNames[i] == selectedName)
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{
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variableTable.SelectedCellIndex = i;
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break;
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}
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}
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}
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variableTable.Render();
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UpdateStatusFromSelection();
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}
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private void SelectionChanged(int index)
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{
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UpdateStatusFromSelection();
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}
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private void RefreshClicked(int x, int y)
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{
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PopulateTable();
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}
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private void AddClicked(int x, int y)
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{
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PromptBox namePrompt = new PromptBox(this, "Add Variable", "Enter the variable name.", "MY_VAR", (string name) =>
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{
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string trimmedName = (name ?? string.Empty).Trim();
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if (string.IsNullOrWhiteSpace(trimmedName))
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{
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SetStatus("Variable name cannot be empty.");
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return;
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}
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PromptBox valuePrompt = new PromptBox(this, "Add Variable", $"Enter the value for {trimmedName}.", "value", (string value) =>
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{
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envManager.SetVariable(trimmedName, value ?? string.Empty);
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PopulateTable();
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SetStatus($"Added: {trimmedName}");
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});
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valuePrompt.Show();
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});
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namePrompt.Show();
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}
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private void EditClicked(int x, int y)
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{
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if (variableTable.SelectedCellIndex < 0 || variableTable.SelectedCellIndex >= rowNames.Count)
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{
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SetStatus("Select a variable first.");
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return;
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}
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string selectedName = rowNames[variableTable.SelectedCellIndex];
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string selectedValue = rowValues[variableTable.SelectedCellIndex];
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PromptBox valuePrompt = new PromptBox(this, "Edit Variable", $"Enter a new value for {selectedName}.", selectedValue, (string value) =>
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{
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envManager.SetVariable(selectedName, value ?? string.Empty);
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PopulateTable();
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SetStatus($"Updated: {selectedName}");
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});
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valuePrompt.Show();
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}
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private void DeleteClicked(int x, int y)
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{
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if (variableTable.SelectedCellIndex < 0 || variableTable.SelectedCellIndex >= rowNames.Count)
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{
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SetStatus("Select a variable first.");
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return;
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}
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string selectedName = rowNames[variableTable.SelectedCellIndex];
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bool deleted = envManager.DeleteVariable(selectedName);
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if (!deleted)
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{
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new MessageBox(this, "Environment Variables", "Unable to delete the selected variable.").Show();
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return;
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}
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PopulateTable();
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SetStatus($"Deleted: {selectedName}");
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}
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private void Relayout()
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{
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int topY = padding;
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addButton.MoveAndResize(window.Width - ((buttonWidth * 4) + (padding * 4)), topY, buttonWidth, buttonHeight);
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editButton.MoveAndResize(window.Width - ((buttonWidth * 3) + (padding * 3)), topY, buttonWidth, buttonHeight);
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deleteButton.MoveAndResize(window.Width - ((buttonWidth * 2) + (padding * 2)), topY, buttonWidth, buttonHeight);
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refreshButton.MoveAndResize(window.Width - (buttonWidth + padding), topY, buttonWidth, buttonHeight);
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header.MoveAndResize(0, toolbarHeight, window.Width, headerHeight);
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int tableY = toolbarHeight + headerHeight;
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variableTable.MoveAndResize(0, tableY, window.Width, window.Height - tableY);
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addButton.Render();
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editButton.Render();
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deleteButton.Render();
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refreshButton.Render();
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RenderHeader();
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variableTable.Render();
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}
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public override void Start()
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{
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base.Start();
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window = new AppWindow(this, 220, 120, 760, 430);
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window.Title = "Environment Variables";
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window.Icon = AppManager.DefaultAppIcon;
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window.CanResize = true;
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window.UserResized = Relayout;
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window.Closing = TryStop;
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wm.AddWindow(window);
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addButton = new Button(window, 0, 0, 1, 1);
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addButton.Text = "Add";
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addButton.OnClick = AddClicked;
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wm.AddWindow(addButton);
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editButton = new Button(window, 0, 0, 1, 1);
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editButton.Text = "Edit";
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editButton.OnClick = EditClicked;
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wm.AddWindow(editButton);
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deleteButton = new Button(window, 0, 0, 1, 1);
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deleteButton.Text = "Delete";
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deleteButton.OnClick = DeleteClicked;
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wm.AddWindow(deleteButton);
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refreshButton = new Button(window, 0, 0, 1, 1);
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refreshButton.Text = "Refresh";
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refreshButton.OnClick = RefreshClicked;
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wm.AddWindow(refreshButton);
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header = new Window(this, window, 0, toolbarHeight, window.Width, headerHeight);
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wm.AddWindow(header);
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variableTable = new Table(window, 0, toolbarHeight + headerHeight, window.Width, window.Height - toolbarHeight - headerHeight);
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variableTable.Background = Color.White;
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variableTable.Foreground = Color.Black;
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variableTable.Border = Color.FromArgb(185, 194, 207);
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variableTable.SelectedBackground = Color.FromArgb(216, 231, 255);
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variableTable.SelectedBorder = Color.FromArgb(94, 138, 216);
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variableTable.SelectedForeground = Color.Black;
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variableTable.CellHeight = 24;
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variableTable.TableCellSelected = SelectionChanged;
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wm.AddWindow(variableTable);
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PopulateTable();
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Relayout();
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wm.Update(window);
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}
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public override void Run()
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{
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}
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}
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}
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