using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using VEPROMS.CSLA.Library;

namespace Volian.Controls.Library
{
	public partial class StepTabRibbon : UserControl
	{
		private StepItem _MyStepItem;
		public StepItem MyStepItem
		{
			get { return _MyStepItem; }
			set 
			{ 
				_MyStepItem = value;
				if (value != null)
				{
					MyStepRTB = value.MyStepRTB;
				}
			}
		}
		private StepRTB _MyStepRTB;
		public StepRTB MyStepRTB
		{
			get { return _MyStepRTB; }
			set 
			{ 
				_MyStepRTB = value;
				if (value != null)
				{
					_ContextMenuBar.SetContextMenuEx(_MyStepRTB, btnCMRtfEdit);
					_MyStepRTB.SelectionChanged += new EventHandler(MyStepRTB_SelectionChanged);
					_MyStepRTB.Leave += new EventHandler(MyStepRTB_Leave);
					_MyStepRTB.LinkChanged += new StepRTBLinkEvent(_MyStepRTB_LinkChanged);
					SetButtonAndMenuEnabling();
				}
			}
		}
		void _MyStepRTB_LinkChanged(object sender, StepPanelLinkEventArgs args)
		{
			// do all Transition and ReferencedObject menu items/buttons based on whether a 'link is selected' and the link type.
			btnCMGoTo.Enabled = btnGoTo.Enabled = _MyStepRTB.SelectionProtected; //(_MyStepRTB.MyLinkText != null);
			if (btnCMGoTo.Enabled == true && _MyStepRTB.MyLinkText != null)		// must have some link test, use it to set edit of transition or ro...
			{
				btnCMEditTran.Enabled = _MyStepRTB.MyLinkText.IndexOf("Transition") > -1;			// selected link must be a transition
				btnCMEditRO.Enabled = _MyStepRTB.MyLinkText.IndexOf("ReferencedObject") > -1;	// selected link must be ro	
			}
			else
			{
				btnCMEditTran.Enabled = false;
				btnCMEditRO.Enabled = false;
			}
		}
		void MyStepRTB_Leave(object sender, EventArgs e)
		{
			_MyStepRTB.SelectionChanged -= new EventHandler(MyStepRTB_SelectionChanged);
			_MyStepRTB.Leave -= new EventHandler(MyStepRTB_Leave);
			_MyStepRTB.LinkChanged -= new StepRTBLinkEvent(_MyStepRTB_LinkChanged);
		}
		void MyStepRTB_SelectionChanged(object sender, EventArgs e)
		{
			SetButtonAndMenuEnabling();
		}
		private void SetButtonAndMenuEnabling()
		{
			if (_MyStepRTB == null) return;
			if (_MyStepRTB.SelectionFont != null)
			{
				btnCMBold.Checked = btnBold.Checked = RTBAPI.IsBold(_MyStepRTB);
				btnCMItalics.Checked = btnItalics.Checked = RTBAPI.IsItalic(_MyStepRTB);
				btnCMUnderline.Checked = btnUnderline.Checked = RTBAPI.IsUnderline(_MyStepRTB);
				btnCMSubscript.Checked = btnSubscript.Checked = RTBAPI.IsSubScript(_MyStepRTB);
				btnCMSuperscript.Checked = btnSuperscript.Checked = RTBAPI.IsSuperScript(_MyStepRTB);
			}
			btnCMCut.Enabled = btnCMCopy.Enabled = btnCut.Enabled = btnCopy.Enabled = _MyStepRTB.SelectionLength > 0;
			btnCMUndo.Enabled = btnUndo.Enabled = _MyStepRTB.CanUndo;
			btnCMRedo.Enabled = btnRedo.Enabled = _MyStepRTB.CanRedo;

			// for paste, see if there is clipboard data, & if so, of a type we can use.
			IDataObject iData = Clipboard.GetDataObject();
			btnCMPaste.Enabled = btnPaste.Enabled = (iData.GetDataPresent(DataFormats.Text) || iData.GetDataPresent(DataFormats.Rtf));

			// do all Transition and ReferencedObject menu items/buttons based on whether a 'link is selected' and the link type.
			btnCMGoTo.Enabled = btnGoTo.Enabled = _MyStepRTB.SelectionProtected; //(_MyStepRTB.MyLinkText != null);
			if (btnCMGoTo.Enabled == true && _MyStepRTB.MyLinkText != null)		// must have some link test, use it to set edit of transition or ro...
			{
				btnCMEditTran.Enabled = _MyStepRTB.MyLinkText.IndexOf("Transition")>-1;			// selected link must be a transition
				btnCMEditRO.Enabled = _MyStepRTB.MyLinkText.IndexOf("ReferencedObject") > -1;	// selected link must be ro	
			}
			else
			{
				btnCMEditTran.Enabled = false;
				btnCMEditRO.Enabled = false;
			}
		}
		public StepTabRibbon()
		{
			InitializeComponent();

			// Add symbols to the tabribbon & also to the context menu getting info from the format file...
			// Note that the ButtonItems must be used in order to place the buttons on a gallery (cannot
			// use buttonx or dotnet/windows/button).  However, you cannot change the font on ButtonItems so
			// the ribbon MUST use the Arial Unicode MS Font for this to work!!!!
			Format fmt = VEPROMS.CSLA.Library.Format.Get(1);   //base for now - TO DO KBR:
			SymbolList sl = fmt.PlantFormat.FormatData.SymbolList;
			if (sl == null || sl.Count <= 0)
			{
				MessageBox.Show("No symbols are available, check with administrator");
				return;
			}
			foreach (Symbol sym in sl)
			{
				DevComponents.DotNetBar.ButtonItem btn = new DevComponents.DotNetBar.ButtonItem();
				btn.Text = string.Format("{0}", (char)sym.Unicode);
				// to name button use unicode rather than desc, desc may have spaces or odd chars
				btn.Name = "btn" + sym.Unicode.ToString();
				btn.Tooltip = sym.Desc;
				btn.Tag = string.Format(@"\u{0}", sym.Unicode);
				btn.FontBold = true;
				btn.Click += new System.EventHandler(btnSym_Click);
				galleryContainerSymbols.SubItems.Add(btn);
				DevComponents.DotNetBar.ButtonItem btnCM = new DevComponents.DotNetBar.ButtonItem();
				btnCM.Text = string.Format("{0}", (char)sym.Unicode);
				// to name button use unicode rather than desc, desc may have spaces or odd chars
				btnCM.Name = "btnCM" + sym.Unicode.ToString();
				btnCM.Tooltip = sym.Desc;
				btnCM.Tag = string.Format(@"\u{0}", sym.Unicode);
				btnCM.FontBold = true;
				btnCM.Click += new System.EventHandler(btnSym_Click);
				galleryContainerSymbolsCM.SubItems.Add(btnCM);
			}
		}
		private void btnSym_Click(object sender, EventArgs e)
		{
			DevComponents.DotNetBar.ButtonItem b = (DevComponents.DotNetBar.ButtonItem)sender;
			_MyStepRTB.InsertSymbol((string)b.Tag);
		}
		private void btnPaste_Click(object sender, EventArgs e)
		{
			IDataObject myDO = Clipboard.GetDataObject();
			if (myDO.GetDataPresent(DataFormats.Rtf))
				_MyStepRTB.SelectedRtf = myDO.GetData(DataFormats.Rtf).ToString();
			else if (myDO.GetDataPresent(DataFormats.Text))
				_MyStepRTB.SelectedText = myDO.GetData(DataFormats.Text).ToString();
		}
		private void btnCut_Click(object sender, EventArgs e)
		{
			Clipboard.Clear();
			DataObject myDO = new DataObject("Rich Text Format", _MyStepRTB.SelectedRtf);
			Clipboard.SetDataObject(myDO);
			_MyStepRTB.SelectedText = "";
 		}
		private void btnCopy_Click(object sender, EventArgs e)
		{
			Clipboard.Clear();
			DataObject myDO = new DataObject("Rich Text Format", _MyStepRTB.SelectedRtf);
			Clipboard.SetDataObject(myDO);
		}
		private void btnBold_Click(object sender, EventArgs e)
		{
			RTBAPI.ToggleBold(!RTBAPI.IsBold(_MyStepRTB), _MyStepRTB, _MyStepRTB.SelectionLength == 0 ? RTBAPI.RTBSelection.SCF_DEFAULT : RTBAPI.RTBSelection.SCF_SELECTION);
			btnCMBold.Checked = btnBold.Checked = RTBAPI.IsBold(_MyStepRTB);
		}
		private void btnItalics_Click(object sender, EventArgs e)
		{
			RTBAPI.ToggleItalic(!RTBAPI.IsItalic(_MyStepRTB), _MyStepRTB, _MyStepRTB.SelectionLength == 0 ? RTBAPI.RTBSelection.SCF_DEFAULT : RTBAPI.RTBSelection.SCF_SELECTION);
			btnCMItalics.Checked = btnItalics.Checked = RTBAPI.IsItalic(_MyStepRTB);
		}
		private void btnUnderline_Click(object sender, EventArgs e)
		{
			RTBAPI.ToggleUnderline(!RTBAPI.IsUnderline(_MyStepRTB), _MyStepRTB, _MyStepRTB.SelectionLength == 0 ? RTBAPI.RTBSelection.SCF_DEFAULT : RTBAPI.RTBSelection.SCF_SELECTION);
			btnCMUnderline.Checked = btnUnderline.Checked = RTBAPI.IsUnderline(_MyStepRTB);
		}

		private void btnSuperscript_Click(object sender, EventArgs e)
		{
			RTBAPI.ToggleSuperscript(!RTBAPI.IsSuperScript(_MyStepRTB), _MyStepRTB, _MyStepRTB.SelectionLength == 0 ? RTBAPI.RTBSelection.SCF_DEFAULT : RTBAPI.RTBSelection.SCF_SELECTION);
			btnCMSuperscript.Checked = btnSuperscript.Checked = RTBAPI.IsSuperScript(_MyStepRTB);
		}

		private void btnSubscript_Click(object sender, EventArgs e)
		{
			RTBAPI.ToggleSubscript(!RTBAPI.IsSubScript(_MyStepRTB), _MyStepRTB, _MyStepRTB.SelectionLength == 0 ? RTBAPI.RTBSelection.SCF_DEFAULT : RTBAPI.RTBSelection.SCF_SELECTION);
			btnCMSubscript.Checked = btnSubscript.Checked = RTBAPI.IsSubScript(_MyStepRTB);
		}

		private void btnUppercase_Click(object sender, EventArgs e)
		{
			_MyStepRTB.SetSelectedCase('U');
		}

		private void btnLowercase_Click(object sender, EventArgs e)
		{
			_MyStepRTB.SetSelectedCase('l');
		}

		private void btnTitleCase_Click(object sender, EventArgs e)
		{
			_MyStepRTB.SetSelectedCase('T');
		}
		private void btnInsTrans_Click(object sender, EventArgs e)
		{
			// see if user is positioned 'on' a transition within the rtb, if so do a modify, otherwise,
			// insert transition.
			StepTabPanel tmp = Parent as StepTabPanel;
			tmp.MyDisplayTabControl.OnLinkModifyTran(this, new StepPanelLinkEventArgs(_MyStepItem, MyStepRTB.MyLinkText));
		}

		private void btnInsHrdSpc_Click(object sender, EventArgs e)
		{
			_MyStepRTB.InsertSymbol(@"\u160?");
		}

		private void btnInsRO_Click(object sender, EventArgs e)
		{
			// see if user is positioned 'on' an ReferencedObject within the rtb, if so do a modify, otherwise,
			// insert transition.
			StepTabPanel tmp = Parent as StepTabPanel;
			tmp.MyDisplayTabControl.OnLinkModifyRO(this, new StepPanelLinkEventArgs(_MyStepItem, MyStepRTB.MyLinkText));
		}

		private void btnRedo_Click(object sender, EventArgs e)
		{
			_MyStepRTB.Redo();
		}

		private void btnUndo_Click(object sender, EventArgs e)
		{
			_MyStepRTB.Undo();
		}
		private void btnGoTo_Click(object sender, EventArgs e)
		{
			// if on a transition, go to the selected transition 'to'.  If on
			// a referenced object, bring up ReferencedObject Editor (for now, just put up a message box.
			if (_MyStepRTB.MyLinkText.IndexOf("Transition") > -1)
			{
				_MyStepItem.MyStepPanel.OnLinkClicked(sender, new StepPanelLinkEventArgs(_MyStepItem, _MyStepRTB.MyLinkText));
			}
			else
			{
				// bring up ro editor - for now just do a messagebox.
				MessageBox.Show("Bring up ro editor");
			}
		}

		private void rpanInsert_Click(object sender, EventArgs e)
		{

		}
	}
}