UltimateZoneBuilder/Source/Core/Controls/ArgumentBox.cs
2017-01-15 00:35:40 +02:00

364 lines
9.5 KiB
C#
Executable file

#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* 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.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.ComponentModel;
using System.Windows.Forms;
using CodeImp.DoomBuilder.Config;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Types;
using System.Globalization;
#endregion
namespace CodeImp.DoomBuilder.Controls
{
/// <summary>
/// Control to accept a linedef action argument.
/// </summary>
public partial class ArgumentBox : UserControl
{
#region ================== Variables
private TypeHandler typehandler;
private bool ignorebuttonchange;
#endregion
#region ================== Properties
public override string Text { get { return combobox.Text; } } //mxd
#endregion
#region ================== Constructor
// Constructor
public ArgumentBox()
{
// Initialize
InitializeComponent();
scrollbuttons.Value = 0;
combobox.MouseWheel += combobox_MouseWheel;
}
#endregion
#region ================== Events
// When control resizes
private void ArgumentBox_Resize(object sender, EventArgs e)
{
if(button.Visible)
combobox.Width = ClientRectangle.Width - button.Width - 2;
else if(scrollbuttons.Visible)
combobox.Width = ClientRectangle.Width - scrollbuttons.Width - 2;
else
combobox.Width = ClientRectangle.Width;
button.Left = ClientRectangle.Width - button.Width;
scrollbuttons.Left = ClientRectangle.Width - scrollbuttons.Width;
Height = button.Height;
}
// When control layout is aplied
private void ArgumentBox_Layout(object sender, LayoutEventArgs e)
{
ArgumentBox_Resize(sender, e);
}
// When the entered value needs to be validated
private void combobox_Validating(object sender, CancelEventArgs e)
{
string str = combobox.Text.Trim().ToLowerInvariant();
str = str.TrimStart('+', '-', '<', '>');
// Anything in the box?
if(combobox.Text.Trim().Length > 0)
{
// Prefixed?
if(CheckIsRelative())
{
// Try parsing to number
int num;
if(!int.TryParse(str, NumberStyles.Integer, CultureInfo.CurrentCulture, out num))
{
// Invalid relative number
combobox.SelectedItem = null;
combobox.Text = "";
}
}
else
{
// Set the value. The type handler will validate it
// and make the best possible choice.
typehandler.SetValue(combobox.Text);
combobox.SelectedItem = null;
combobox.Text = typehandler.GetStringValue();
}
}
}
// When browse button is clicked
private void button_Click(object sender, EventArgs e)
{
// Browse for a value
typehandler.Browse(this);
combobox.SelectedItem = null;
combobox.Text = typehandler.GetStringValue();
combobox.Focus();
combobox.SelectAll();
}
// Text changes
private void combobox_TextChanged(object sender, EventArgs e)
{
scrollbuttons.Enabled = !CheckIsRelative();
//mxd. Update button image?
if(typehandler.DynamicImage)
{
combobox_Validating(sender, new CancelEventArgs());
button.Image = typehandler.BrowseImage;
}
}
// Mouse wheel used
private void combobox_MouseWheel(object sender, MouseEventArgs e)
{
if(scrollbuttons.Visible)
{
if(e.Delta < 0)
scrollbuttons.Value += 1;
else if(e.Delta > 0)
scrollbuttons.Value -= 1;
}
}
// Scroll buttons clicked
private void scrollbuttons_ValueChanged(object sender, EventArgs e)
{
if(!ignorebuttonchange)
{
ignorebuttonchange = true;
if(!CheckIsRelative())
{
typehandler.SetValue(combobox.Text);
int newvalue = GetResult(0) - scrollbuttons.Value;
if(newvalue < 0) newvalue = 0;
combobox.Text = newvalue.ToString();
combobox_Validating(sender, new CancelEventArgs());
}
scrollbuttons.Value = 0;
ignorebuttonchange = false;
}
}
#endregion
#region ================== Methods
// This sets up the control for a specific argument
public void Setup(ArgumentInfo arginfo)
{
int oldvalue = 0;
// Get the original value
if(typehandler != null) oldvalue = typehandler.GetIntValue();
// Get the type handler
typehandler = General.Types.GetArgumentHandler(arginfo);
// Clear combobox
combobox.SelectedItem = null;
combobox.Items.Clear();
// Check if this supports enumerated options
if(typehandler.IsEnumerable)
{
// Show the combobox
button.Visible = false;
scrollbuttons.Visible = false;
combobox.DropDownStyle = ComboBoxStyle.DropDown;
combobox.Items.AddRange(typehandler.GetEnumList().ToArray());
combobox.DropDownWidth = Tools.GetDropDownWidth(combobox); //mxd
}
// Check if browsable
else if(typehandler.IsBrowseable)
{
// Show the button
button.Visible = true;
button.Image = typehandler.BrowseImage;
scrollbuttons.Visible = false;
combobox.DropDownStyle = ComboBoxStyle.Simple;
}
else
{
// Show textbox with scroll buttons
button.Visible = false;
scrollbuttons.Visible = true;
combobox.DropDownStyle = ComboBoxStyle.Simple;
}
//mxd
if(typehandler.IsEnumerable)
{
combobox.AutoCompleteMode = AutoCompleteMode.Suggest;
combobox.AutoCompleteSource = AutoCompleteSource.ListItems;
}
else
{
combobox.AutoCompleteMode = AutoCompleteMode.None;
combobox.AutoCompleteSource = AutoCompleteSource.None;
}
// Setup layout
ArgumentBox_Resize(this, EventArgs.Empty);
//mxd. If not mixed values, re-apply the old value
if(!string.IsNullOrEmpty(combobox.Text)) SetValue(oldvalue);
}
// This sets the value
public void SetValue(int value)
{
typehandler.SetValue(value);
combobox.SelectedItem = null;
combobox.Text = typehandler.GetStringValue();
combobox_Validating(this, new CancelEventArgs());
}
//mxd. this sets default value
public void SetDefaultValue()
{
typehandler.ApplyDefaultValue();
combobox.SelectedItem = null;
combobox.Text = typehandler.GetStringValue();
combobox_Validating(this, new CancelEventArgs());
}
// This clears the value
public void ClearValue()
{
typehandler.SetValue("");
combobox.SelectedItem = null;
combobox.Text = "";
}
// This checks if the number is relative
public bool CheckIsRelative()
{
// Prefixed with +++, ---, <, >, ++ or --?
string str = combobox.Text.Trim();
return (str.StartsWith("+++") || str.StartsWith("---")
|| str.StartsWith("++") || str.StartsWith("--")
|| str.StartsWith("<") || str.StartsWith(">"));
}
// This returns the selected value
public int GetResult(int original) { return GetResult(original, 0); } //mxd
public int GetResult(int original, int step)
{
int result;
// Strip prefixes
string str = combobox.Text.Trim().ToLowerInvariant();
string numstr = str.TrimStart('+', '-', '<', '>'); //mxd
// Anything in the box?
if(numstr.Length > 0)
{
//mxd. Prefixed with +++?
if(str.StartsWith("+++"))
{
// Add offset to number
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = original + num * step;
}
//mxd. Prefixed with ---?
else if(str.StartsWith("---"))
{
// Subtract offset from number
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = original - num * step;
}
// mxd. Prefixed with <?
else if(str.StartsWith("<"))
{
// Incremental decrease
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = num - step;
}
// mxd. Prefixed with >?
else if(str.StartsWith(">"))
{
// Incremental increase
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = num + step;
}
// Prefixed with ++?
else if(str.StartsWith("++"))
{
// Add number to original
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = original + num;
}
// Prefixed with --?
else if(str.StartsWith("--"))
{
// Subtract number from original
int num;
if(!int.TryParse(numstr, out num)) num = 0;
result = original - num;
}
else
{
// Return the value
result = typehandler.GetIntValue();
}
}
else
{
// Just return the original
result = original;
}
return General.Clamp(result, General.Map.FormatInterface.MinArgument, General.Map.FormatInterface.MaxArgument);
}
//mxd. Very tricky way to close parent control by pressing ENTER or ESCAPE key when combobox.DropDownStyle == ComboBoxStyle.Simple
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if(this.ActiveControl == combobox && combobox.DropDownStyle == ComboBoxStyle.Simple
&& (keyData == Keys.Return || keyData == Keys.Escape))
{
combobox.DropDownStyle = ComboBoxStyle.DropDown;
return false;
}
return base.ProcessCmdKey(ref msg, keyData);
}
#endregion
}
}