mirror of
https://git.do.srb2.org/STJr/ZoneBuilder.git
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475 lines
12 KiB
C#
475 lines
12 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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#endregion
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namespace CodeImp.DoomBuilder.Controls
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{
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internal partial class DockersControl : UserControl
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{
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#region ================== Constants
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#endregion
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#region ================== Delegates
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public event EventHandler MouseContainerEnter;
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public event EventHandler MouseContainerLeave;
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public event EventHandler Collapsed;
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public event EventHandler Expanded;
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public event EventHandler UserResize;
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#endregion
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#region ================== Variables
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// Behaviour
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private bool rightalign;
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private bool iscollapsed;
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// Collapsing
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private int expandedwidth; // width when expanded
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private int expandedtab; // selected tab index when expanded
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// Splitting
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private int splitstartoffset;
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// Selection
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private string currentselected;
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private string previousselected;
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private bool controlledselection;
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#endregion
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#region ================== Properties
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public bool IsCollpased { get { return iscollapsed; } }
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public string SelectedTabName { get { return (tabs.SelectedTab == null ? "None" : tabs.SelectedTab.Text); } } //mxd
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// This returns true when the focus is here, but not in some special cases
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public bool IsFocused
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{
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get
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{
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Control ac = FindActiveControl();
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// We have focus when we need the keyboard for input
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// Otherwise we don't want the focus and the docker may collapse
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return (ac is TextBox) || (ac is RichTextBox) || (ac is NumericUpDown) || (ac is ComboBox);
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}
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}
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#endregion
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#region ================== Constructor
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// Constructor
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public DockersControl()
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{
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InitializeComponent();
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expandedwidth = (int)(this.Width * (this.CurrentAutoScaleDimensions.Width / this.AutoScaleDimensions.Width));
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}
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#endregion
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#region ================== Methods
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// This returns the active child control
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private Control FindActiveControl()
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{
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Control c = this.ActiveControl;
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while(c is IContainerControl)
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{
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IContainerControl cc = (c as IContainerControl);
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if(cc.ActiveControl != null) c = cc.ActiveControl;
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else break;
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}
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return c;
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}
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// This sets up the controls for left or right alignment
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public void Setup(bool right)
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{
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int voffset = pinbutton.Bottom + pinbutton.Margin.Bottom; //mxd
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rightalign = right;
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if(rightalign)
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{
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splitter.Dock = DockStyle.Left;
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tabs.Alignment = TabAlignment.Right;
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tabs.Location = new Point(0, voffset);
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}
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else
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{
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splitter.Dock = DockStyle.Right;
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tabs.Alignment = TabAlignment.Left;
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tabs.Location = new Point(-2, voffset);
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}
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tabs.Size = new Size(this.ClientRectangle.Width + 2, this.ClientRectangle.Height - voffset);
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tabs.SendToBack();
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UpdatePinIcon(); //mxd
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}
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// This collapses the docker
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public void Collapse()
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{
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if(iscollapsed) return;
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controlledselection = true;
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splitter.Enabled = false;
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splitter.BackColor = SystemColors.Control;
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splitter.Width = (int)(2.0f * (this.CurrentAutoScaleDimensions.Width / this.AutoScaleDimensions.Width));
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expandedtab = tabs.SelectedIndex;
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expandedwidth = this.Width;
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tabs.SelectedIndex = -1;
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General.MainWindow.LockUpdate();
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if(rightalign) this.Left = this.Right - GetCollapsedWidth();
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this.Width = GetCollapsedWidth();
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General.MainWindow.UnlockUpdate();
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this.Invalidate(true);
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controlledselection = false;
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iscollapsed = true;
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if(Collapsed != null) Collapsed(this, EventArgs.Empty);
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}
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// This expands the docker
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public void Expand()
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{
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if(!iscollapsed) return;
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controlledselection = true;
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splitter.Enabled = true;
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splitter.BackColor = Color.Transparent;
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splitter.Width = (int)(4.0f * (this.CurrentAutoScaleDimensions.Width / this.AutoScaleDimensions.Width));
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General.MainWindow.LockUpdate();
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if(rightalign) this.Left = this.Right - expandedwidth;
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this.Width = expandedwidth;
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General.MainWindow.UnlockUpdate();
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tabs.SelectedIndex = expandedtab;
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tabs.Invalidate(true);
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controlledselection = false;
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iscollapsed = false;
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if(Expanded != null) Expanded(this, EventArgs.Empty);
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}
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// This calculates the collapsed width
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public int GetCollapsedWidth()
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{
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Rectangle r;
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if(tabs.TabPages.Count > 0)
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r = tabs.GetTabRect(0);
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else
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r = new Rectangle(0, 0, 26, 26);
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return r.Width + (int)(1.0f * (this.CurrentAutoScaleDimensions.Width / this.AutoScaleDimensions.Width));
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}
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// This adds a docker
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public void Add(Docker d, bool notify)
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{
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// Set up page
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TabPage page = new TabPage(d.Title);
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page.SuspendLayout();
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page.Font = this.Font;
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page.Tag = d;
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page.UseVisualStyleBackColor = false;
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page.Controls.Add(d.Control);
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d.Control.Dock = DockStyle.Fill;
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tabs.TabPages.Add(page);
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page.ResumeLayout(true);
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if(iscollapsed)
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{
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tabs.SelectedIndex = -1;
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if(notify) tabs.PlayNotifyAnimation(tabs.TabPages.Count - 1); //mxd
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}
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// Go for all controls to add events
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Queue<Control> todo = new Queue<Control>();
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todo.Enqueue(d.Control);
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while(todo.Count > 0)
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{
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Control c = todo.Dequeue();
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c.MouseEnter += RaiseMouseContainerEnter;
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c.MouseLeave += RaiseMouseContainerLeave;
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foreach(Control cc in c.Controls)
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todo.Enqueue(cc);
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}
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}
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// This removes a docker
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public bool Remove(Docker d)
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{
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foreach(TabPage page in tabs.TabPages)
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{
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if((page.Tag as Docker) == d)
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{
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// Go for all controls to remove events
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Queue<Control> todo = new Queue<Control>();
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todo.Enqueue(d.Control);
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while(todo.Count > 0)
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{
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Control c = todo.Dequeue();
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c.MouseEnter -= RaiseMouseContainerEnter;
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c.MouseLeave -= RaiseMouseContainerLeave;
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foreach(Control cc in c.Controls)
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todo.Enqueue(cc);
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}
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// Take down that page
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if(page == tabs.SelectedTab || tabs.SelectedTab == null) SelectPrevious();
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page.Controls.Clear();
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tabs.TabPages.Remove(page);
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return true;
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}
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}
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return false;
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}
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//mxd. This checks if given docker exists in this control
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public bool Contains(Docker d)
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{
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foreach(TabPage page in tabs.TabPages)
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if((page.Tag as Docker) == d) return true;
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return false;
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}
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// This selects a docker
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public bool SelectDocker(Docker d)
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{
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int index = 0;
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foreach(TabPage page in tabs.TabPages)
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{
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if((page.Tag as Docker) == d)
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{
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if(iscollapsed)
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{
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if(!string.IsNullOrEmpty(currentselected)) previousselected = currentselected; //mxd
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currentselected = d.FullName; //mxd
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expandedtab = index;
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}
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else
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tabs.SelectedTab = page;
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return true;
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}
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index++;
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}
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return false;
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}
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// This selectes the previous docker
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public void SelectPrevious()
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{
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//mxd. First one is better than nothing
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if(string.IsNullOrEmpty(previousselected) && tabs.TabPages.Count > 0)
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{
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previousselected = (tabs.TabPages[0].Tag as Docker).FullName;
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}
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if(!string.IsNullOrEmpty(previousselected))
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{
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int index = 0;
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foreach(TabPage page in tabs.TabPages)
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{
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if((page.Tag as Docker).FullName == previousselected)
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{
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if(iscollapsed)
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{
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currentselected = previousselected;
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expandedtab = index;
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}
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else
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tabs.SelectedTab = page;
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break;
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}
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index++;
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}
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}
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}
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// This sorts tabs by their full name
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public void SortTabs(IEnumerable<string> fullnames)
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{
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Dictionary<string, TabPage> pages = new Dictionary<string, TabPage>(tabs.TabPages.Count, StringComparer.Ordinal);
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foreach(TabPage p in tabs.TabPages) pages.Add((p.Tag as Docker).FullName, p);
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tabs.TabPages.Clear();
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// Add tabs in order as in fullnames
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foreach(string name in fullnames)
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{
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if(pages.ContainsKey(name))
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{
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tabs.TabPages.Add(pages[name]);
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pages.Remove(name);
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}
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}
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// Add remaining tabs
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foreach(KeyValuePair<string, TabPage> p in pages)
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tabs.TabPages.Add(p.Value);
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}
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//mxd
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private void UpdatePinIcon()
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{
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if(tabs.Alignment == TabAlignment.Left)
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pinbutton.Image = (General.Settings.CollapseDockers ? Properties.Resources.DockerCollapse : Properties.Resources.DockerExpand);
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else
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pinbutton.Image = (General.Settings.CollapseDockers ? Properties.Resources.DockerExpand : Properties.Resources.DockerCollapse);
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}
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#endregion
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#region ================== Events
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// This raises the MouseContainerEnter event
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private void RaiseMouseContainerEnter(object sender, EventArgs e)
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{
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if(MouseContainerEnter != null)
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MouseContainerEnter(sender, e);
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}
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// This raises the MouseContainerLeave event
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private void RaiseMouseContainerLeave(object sender, EventArgs e)
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{
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if(MouseContainerLeave != null)
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MouseContainerLeave(sender, e);
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}
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// We don't want the focus
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private void tabs_Enter(object sender, EventArgs e) { General.MainWindow.FocusDisplay(); }
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private void tabs_MouseUp(object sender, MouseEventArgs e) { General.MainWindow.FocusDisplay(); }
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private void tabs_Selected(object sender, TabControlEventArgs e) { General.MainWindow.FocusDisplay(); }
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// Tab selected
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private void tabs_SelectedIndexChanged(object sender, EventArgs e)
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{
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if(!controlledselection)
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{
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// Keep track of previous selected tab
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if(!string.IsNullOrEmpty(currentselected)) previousselected = currentselected;
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if(tabs.SelectedTab != null)
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{
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Docker d = (tabs.SelectedTab.Tag as Docker);
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currentselected = d.FullName;
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}
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else
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{
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currentselected = null;
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}
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}
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General.MainWindow.FocusDisplay();
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}
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// Splitting begins
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private void splitter_MouseDown(object sender, MouseEventArgs e)
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{
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if(e.Button == MouseButtons.Left)
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{
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splitstartoffset = e.X;
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splitter.BackColor = SystemColors.Highlight;
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}
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}
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// Splitting ends
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private void splitter_MouseUp(object sender, MouseEventArgs e)
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{
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splitter.BackColor = Color.Transparent;
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tabs.Invalidate(true);
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this.Update();
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General.MainWindow.RedrawDisplay();
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General.MainWindow.Update();
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}
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// Splitting dragged
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private void splitter_MouseMove(object sender, MouseEventArgs e)
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{
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if(e.Button == MouseButtons.Left)
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{
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General.MainWindow.LockUpdate();
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// Resize the control
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int delta = e.X - splitstartoffset;
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int collapsedwidth = GetCollapsedWidth();
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if(rightalign)
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{
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if((this.Width > collapsedwidth) || (delta < 0))
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{
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this.Left += delta;
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this.Width -= delta;
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if(this.Width < collapsedwidth)
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{
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this.Left -= collapsedwidth - this.Width;
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this.Width = collapsedwidth;
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}
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}
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}
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else
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{
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if((this.Width > collapsedwidth) || (delta > 0))
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{
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this.Width += delta;
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if(this.Width < collapsedwidth)
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this.Width = collapsedwidth;
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}
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}
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General.MainWindow.UnlockUpdate();
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this.Update();
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General.MainWindow.RedrawDisplay();
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General.MainWindow.Update();
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// Raise event
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if(UserResize != null) UserResize(this, EventArgs.Empty);
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}
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}
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//mxd
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private void pinbutton_Click(object sender, EventArgs e)
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{
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General.Settings.CollapseDockers = !General.Settings.CollapseDockers;
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General.MainWindow.SetupInterface();
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UpdatePinIcon();
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}
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//mxd
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private void DockersControl_Resize(object sender, EventArgs e)
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{
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pinbutton.Width = this.Width - pinbutton.Margin.Left - pinbutton.Margin.Right;
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}
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#endregion
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}
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}
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