Aegisub/SSATool/ListViewES.cs

369 lines
12 KiB
C#

/*
SSATool - A collection of utilities for Advanced Substation Alpha
Copyright (C) 2007 Dan Donovan
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; ONLY under version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
//using System.ComponentModel.Design;
//using System.Windows.Forms.Design;
//using System.Drawing.Design;
namespace SSATool {
/// <summary>
/// Summary description for ListViewES.
/// </summary>
public class ListViewES : System.Windows.Forms.ListView {
private System.Windows.Forms.TextBox textBox1;
private ComboBox comboBox1;
private System.ComponentModel.Container components = null;
#region Component Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent() {
this.textBox1 = new System.Windows.Forms.TextBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.None;
this.textBox1.Enabled = false;
this.textBox1.Location = new System.Drawing.Point(17, 17);
this.textBox1.Margin = new System.Windows.Forms.Padding(3, 1, 3, 1);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(20, 13);
this.textBox1.TabIndex = 1;
this.textBox1.Visible = false;
this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
//
// comboBox1
//
this.comboBox1.Cursor = System.Windows.Forms.Cursors.Default;
this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBox1.Enabled = false;
this.comboBox1.ImeMode = System.Windows.Forms.ImeMode.Disable;
this.comboBox1.IntegralHeight = false;
this.comboBox1.Location = new System.Drawing.Point(32, 32);
this.comboBox1.Margin = new System.Windows.Forms.Padding(1);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(121, 21);
this.comboBox1.TabIndex = 0;
this.comboBox1.Visible = false;
this.comboBox1.Leave += new System.EventHandler(this.ListViewES_Leave);
this.comboBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
//
// ListViewES
//
this.Controls.Add(this.textBox1);
this.Controls.Add(this.comboBox1);
this.LabelEdit = true;
this.Size = new System.Drawing.Size(992, 616);
this.View = System.Windows.Forms.View.Details;
this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.ListViewES_MouseUp);
this.Leave += new System.EventHandler(this.ListViewES_Leave);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
public event LabelSubEditEventHandler SubItemClicked;
public event LabelSubEditEventHandler SubItemBeginEditing;
public event LabelSubEditEndEventHandler SubItemEndEditing;
public event ScrollEventHandler OnScroll;
public ListViewES() {
InitializeComponent();
//this.SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
this.DoubleBuffered = true;
}
protected override void Dispose(bool disposing) {
if (disposing) {
if (components != null) {
components.Dispose();
}
}
base.Dispose(disposing);
}
public new void SetStyle(System.Windows.Forms.ControlStyles flag, bool value) {
base.SetStyle(flag, value);
}
private ListViewItem item;
private int subItemIndex;
private Control c;
public int ItemsOnScreen {
get {
Rectangle tib = this.TopItem.Bounds;
int offH = this.Height - tib.Top;
int height = tib.Height;
int num = Convert.ToInt32(Math.Floor((float)offH / height),Util.nfi);
return num;
}
}
public void StartEditing(ListViewItem item, int subitem) {
if (c != null) EndEditing(true);
this.item = item;
this.subItemIndex = subitem;
c = (Control) this.textBox1;
StartEditingHelper();
}
public void StartEditing(ListViewItem item, int subitem, string[] ComboChoices) {
if (c != null) EndEditing(true);
this.item = item;
this.subItemIndex = subitem;
c = (Control)this.comboBox1;
comboBox1.Items.Clear();
comboBox1.Items.AddRange(ComboChoices);
StartEditingHelper();
}
private void StartEditingHelper() {
this.SuspendLayout();
c.Enabled = true;
PositionControl();
c.Text = item.SubItems[subItemIndex].Text;
c.Show();
c.Focus();
this.ResumeLayout(true);
}
private void PositionControl() {
if (c != null) {
c.Bounds = this.GetSubItemBounds(item, subItemIndex);
//if (GridLines == true) c.Height -= 1;
if (this.CheckBoxes==true && subItemIndex==0) {
c.Left += 20;
c.Width -= 22;
}
else {
c.Left += 4;
c.Width -= 6;
}
}
}
private void EndEditing(bool saveValue) {
if ((item != null) && (subItemIndex != -1)) {
this.SuspendLayout();
if (saveValue) item.SubItems[subItemIndex].Text = c.Text;
if (SubItemEndEditing != null)
this.SubItemEndEditing(this,
new LabelSubEditEndEventArgs(item, subItemIndex,
item.SubItems[subItemIndex].Text, !saveValue));
this.item = null;
this.subItemIndex = -1;
c.Text = String.Empty;
c.Hide();
c.Enabled = false;
this.ResumeLayout(true);
saveValue = true;
c = null;
}
}
private void textBox1_KeyPress(object sender, KeyPressEventArgs e) {
if (e.KeyChar == (char)(int)Keys.Enter) {
EndEditing(true);
e.Handled = true;
}
else if (e.KeyChar == (char)(int)Keys.Escape) {
EndEditing(false);
e.Handled = true;
}
}
private void ListViewES_MouseUp(object sender, MouseEventArgs e) {
if (c != null) EndEditing(true);
if (this.View==System.Windows.Forms.View.Details) {
int index;
ListViewItem lvi;
index = this.GetSubItemAt(e.X,e.Y,out lvi);
if ((index != -1) && ((this.CheckBoxes == false) || (e.X > 15))) {
LabelSubEditEventArgs lsa = new LabelSubEditEventArgs(lvi, index);
if (SubItemBeginEditing != null) this.SubItemBeginEditing(this, lsa);
if (SubItemClicked != null) this.SubItemClicked(this, lsa);
else if (this.LabelEdit == true) this.StartEditing(lvi, index);
}
}
}
public int GetSubItemAt(int x, int y, out ListViewItem item) {
if (this.Items.Count != 0) {
Rectangle tib = this.TopItem.Bounds;
int left = tib.Left;
if (left < 0) {
item = null;
return -1;
}
int offH = this.Height - tib.Top;
int top = this.TopItem.Index;
int height = tib.Height;
int bottom = top + Convert.ToInt32(Math.Floor((float)offH / (float)height),Util.nfi);
int row = top - 1 + Convert.ToInt32((((float)bottom - top) * ((float)y / offH)),Util.nfi);
if ((row < this.Items.Count) && (row >= 0)) {
for(int column=0;column<this.Columns.Count;column+=1) {
left += this.Columns[column].Width;
if (x <= left) { item = this.Items[row]; return column;}
}
}
}
item = null;
return -1;
}
public Rectangle GetSubItemBounds(ListViewItem Item, int SubItem) {
if (SubItem >= this.Columns.Count)
throw new IndexOutOfRangeException("SubItem " + SubItem + " out of range");
else if (Item == null)
return Rectangle.Empty; // throw new ArgumentNullException("Item");
int top, left, width, height;
//Item.EnsureVisible();
Rectangle bounds = Item.GetBounds(ItemBoundsPortion.Entire);
top = bounds.Top;
width = this.Columns[SubItem].Width;
height = bounds.Height;
left = bounds.Left;
for(int index=0;index<SubItem;index+=1)
left += this.Columns[index].Width;
return new Rectangle(new Point(left,top),new Size(width,height));
}
/// <summary>
/// Used to recreate the list items when columns are modified
/// </summary>
public void RecopyListItems() {
this.BeginUpdate();
string[] news;
ListViewItem lvi;
for(int outerindex=0; outerindex!=this.Items.Count; outerindex+=1) {
lvi = this.Items[outerindex];
news = new string[this.Columns.Count];
// Can't copy more parameters than in the old one,
// and can't copy more than the new one can store
for(int index=0;index!=lvi.SubItems.Count&&index!=news.Length;index+=1) {
news[index] = lvi.SubItems[index].Text;
}
this.Items[outerindex] = new ListViewItem(news);
}
this.EndUpdate();
}
private void ListViewES_Leave(object sender, EventArgs e) {
EndEditing(true);
}
//[Category("Action")]
//public event ScrollEventHandler Scrolled = null;
[Serializable]
public delegate void LabelSubEditEventHandler(
object sender,
LabelSubEditEventArgs e
);
[Serializable]
public delegate void LabelSubEditEndEventHandler(
object sender,
LabelSubEditEndEventArgs e
);
public class LabelSubEditEventArgs : EventArgs {
private int _subIndex;
private ListViewItem _item;
public LabelSubEditEventArgs(ListViewItem lvi, int subItem) {
_subIndex = subItem;
_item = lvi;
}
public ListViewItem Item {
get { return _item; }
}
public int SubIndex {
get { return _subIndex; }
}
}
public class LabelSubEditEndEventArgs : LabelSubEditEventArgs {
string _text;
bool _cancel;
public LabelSubEditEndEventArgs(ListViewItem lvi, int subItem, string text, bool cancel) :
base(lvi,subItem) {
_text = text;
_cancel = cancel;
}
public bool Cancel {
get { return _cancel; }
}
public string Text {
get { return _text; }
}
}
private const int WM_HSCROLL = 0x114;
private const int WM_VSCROLL = 0x115;
protected override void WndProc(ref System.Windows.Forms.Message msg) {
if ((msg.Msg == WM_HSCROLL) || (msg.Msg == WM_VSCROLL)) {
if (c!=null) PositionControl();
if (OnScroll != null) OnScroll(this,new ScrollEventArgs(ScrollEventType.EndScroll,0,0,(msg.Msg == WM_HSCROLL)?ScrollOrientation.HorizontalScroll:ScrollOrientation.VerticalScroll));
base.WndProc(ref msg);
}
else base.WndProc(ref msg);
}
}
}