77 lines
1.9 KiB
C#
77 lines
1.9 KiB
C#
using LibW4M.Data;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace W4Gui.Components
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{
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public partial class CollectiveListAddDelete : UserControl
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{
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public event EventHandler<EventArgs> NewButton;
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public event EventHandler<EventArgs> DeleteButton;
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public CollectiveListAddDelete()
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{
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InitializeComponent();
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this.List.Unselected += List_Unselected; ;
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this.List.Selected += List_Selected; ;
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}
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protected virtual void OnUnselected(EventArgs e)
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{
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btnDel.Enabled = false;
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}
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protected virtual void OnSelected(EventArgs e)
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{
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btnDel.Enabled = true;
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}
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protected virtual void OnNewButton(EventArgs e)
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{
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EventHandler<EventArgs> handler = NewButton;
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if (handler != null)
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{
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handler(this, e);
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}
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}
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protected virtual void OnDeleteButton(EventArgs e)
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{
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EventHandler<EventArgs> handler = DeleteButton;
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if (handler != null)
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{
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handler(this, e);
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if (this.List.Items.Count <= 0)
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this.btnDel.Enabled = false;
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}
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}
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private void List_Selected(object? sender, EventArgs e)
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{
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OnSelected(e);
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}
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private void List_Unselected(object? sender, EventArgs e)
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{
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OnUnselected(e);
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}
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private void btnAdd_Click(object? sender, EventArgs e)
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{
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OnNewButton(e);
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}
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private void btnDel_Click(object? sender, EventArgs e)
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{
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if (this.List.SelectedIndex >= 0)
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OnDeleteButton(e);
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}
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}
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}
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