#region Disclaimer / License
// Copyright (C) 2006, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library 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
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
// 
#endregion
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace OSGeo.MapGuide.Maestro
{
	/// <summary>
	/// Summary description for BrowseResource.
	/// </summary>
	public class BrowseResource : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Button OKButton;
		private new System.Windows.Forms.Button CancelButton;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Panel panel3;
		private System.Windows.Forms.Panel panel4;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.Panel panel5;
		private System.Windows.Forms.TreeView FolderView;
		private System.Windows.Forms.ListView ItemView;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox ResourceName;
		private System.Windows.Forms.ComboBox ResourceType;
		private System.Windows.Forms.Button RefreshButton;
		private  Globalizator.Globalizator m_globalizor = null;

		private OSGeo.MapGuide.MaestroAPI.ServerConnectionI m_connection;

		private bool m_openMode;
		private string m_selectedResource;
		private string[] m_validTypes;
		private FormMain m_ownerform;

		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public BrowseResource(OSGeo.MapGuide.MaestroAPI.ServerConnectionI connection, FormMain ownerform, ImageList images, bool openMode, string[] avalibleTypes)
			: this()
		{
			m_connection = connection;
			m_openMode = openMode;
			m_ownerform = ownerform;


			m_validTypes = avalibleTypes == null ? ownerform.ResourceEditorMap.AvalibleResourceTypes : avalibleTypes;
			ResourceType.Items.Clear();
			foreach(string i in m_validTypes)
				ResourceType.Items.Add(ownerform.ResourceEditorMap.GetResourceDisplayNameFromResourceType(i));

			ResourceType.Enabled = ResourceType.Items.Count > 1;
			FolderView.ImageList = images;
			ItemView.SmallImageList = images;

			if (!m_openMode)
				this.Text = m_globalizor.Translate("Save resource");
		}

		protected BrowseResource()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			m_globalizor = new  Globalizator.Globalizator(this);

		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form 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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(BrowseResource));
			this.panel1 = new System.Windows.Forms.Panel();
			this.panel3 = new System.Windows.Forms.Panel();
			this.panel5 = new System.Windows.Forms.Panel();
			this.ItemView = new System.Windows.Forms.ListView();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.panel4 = new System.Windows.Forms.Panel();
			this.RefreshButton = new System.Windows.Forms.Button();
			this.FolderView = new System.Windows.Forms.TreeView();
			this.panel2 = new System.Windows.Forms.Panel();
			this.ResourceType = new System.Windows.Forms.ComboBox();
			this.ResourceName = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.OKButton = new System.Windows.Forms.Button();
			this.CancelButton = new System.Windows.Forms.Button();
			this.panel1.SuspendLayout();
			this.panel3.SuspendLayout();
			this.panel5.SuspendLayout();
			this.panel4.SuspendLayout();
			this.panel2.SuspendLayout();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.panel1.Controls.Add(this.panel3);
			this.panel1.Controls.Add(this.panel2);
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(640, 463);
			this.panel1.TabIndex = 0;
			// 
			// panel3
			// 
			this.panel3.Controls.Add(this.panel5);
			this.panel3.Controls.Add(this.splitter1);
			this.panel3.Controls.Add(this.panel4);
			this.panel3.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel3.Location = new System.Drawing.Point(0, 0);
			this.panel3.Name = "panel3";
			this.panel3.Size = new System.Drawing.Size(640, 391);
			this.panel3.TabIndex = 1;
			// 
			// panel5
			// 
			this.panel5.Controls.Add(this.ItemView);
			this.panel5.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel5.Location = new System.Drawing.Point(152, 0);
			this.panel5.Name = "panel5";
			this.panel5.Size = new System.Drawing.Size(488, 391);
			this.panel5.TabIndex = 2;
			// 
			// ItemView
			// 
			this.ItemView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.ItemView.Location = new System.Drawing.Point(8, 8);
			this.ItemView.Name = "ItemView";
			this.ItemView.Size = new System.Drawing.Size(472, 375);
			this.ItemView.TabIndex = 0;
			this.ItemView.View = System.Windows.Forms.View.List;
			this.ItemView.Click += new System.EventHandler(this.ItemView_Click);
			this.ItemView.DoubleClick += new System.EventHandler(this.ItemView_DoubleClick);
			// 
			// splitter1
			// 
			this.splitter1.Location = new System.Drawing.Point(144, 0);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(8, 391);
			this.splitter1.TabIndex = 1;
			this.splitter1.TabStop = false;
			// 
			// panel4
			// 
			this.panel4.Controls.Add(this.RefreshButton);
			this.panel4.Controls.Add(this.FolderView);
			this.panel4.Dock = System.Windows.Forms.DockStyle.Left;
			this.panel4.Location = new System.Drawing.Point(0, 0);
			this.panel4.Name = "panel4";
			this.panel4.Size = new System.Drawing.Size(144, 391);
			this.panel4.TabIndex = 0;
			// 
			// RefreshButton
			// 
			this.RefreshButton.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.RefreshButton.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.RefreshButton.Location = new System.Drawing.Point(8, 359);
			this.RefreshButton.Name = "RefreshButton";
			this.RefreshButton.Size = new System.Drawing.Size(128, 24);
			this.RefreshButton.TabIndex = 1;
			this.RefreshButton.Text = "Refresh";
			// 
			// FolderView
			// 
			this.FolderView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.FolderView.HideSelection = false;
			this.FolderView.ImageIndex = -1;
			this.FolderView.Location = new System.Drawing.Point(8, 8);
			this.FolderView.Name = "FolderView";
			this.FolderView.SelectedImageIndex = -1;
			this.FolderView.Size = new System.Drawing.Size(128, 351);
			this.FolderView.TabIndex = 0;
			this.FolderView.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.FolderView_AfterSelect);
			// 
			// panel2
			// 
			this.panel2.Controls.Add(this.ResourceType);
			this.panel2.Controls.Add(this.ResourceName);
			this.panel2.Controls.Add(this.label2);
			this.panel2.Controls.Add(this.label1);
			this.panel2.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.panel2.Location = new System.Drawing.Point(0, 391);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(640, 72);
			this.panel2.TabIndex = 0;
			// 
			// ResourceType
			// 
			this.ResourceType.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.ResourceType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.ResourceType.Location = new System.Drawing.Point(112, 40);
			this.ResourceType.Name = "ResourceType";
			this.ResourceType.Size = new System.Drawing.Size(520, 21);
			this.ResourceType.TabIndex = 3;
			this.ResourceType.SelectedIndexChanged += new System.EventHandler(this.ResourceType_SelectedIndexChanged);
			// 
			// ResourceName
			// 
			this.ResourceName.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.ResourceName.Location = new System.Drawing.Point(112, 8);
			this.ResourceName.Name = "ResourceName";
			this.ResourceName.Size = new System.Drawing.Size(520, 20);
			this.ResourceName.TabIndex = 2;
			this.ResourceName.Text = "";
			// 
			// label2
			// 
			this.label2.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label2.Location = new System.Drawing.Point(8, 40);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(96, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "Resource type";
			// 
			// label1
			// 
			this.label1.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(96, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "Resource name";
			// 
			// OKButton
			// 
			this.OKButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.OKButton.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.OKButton.Location = new System.Drawing.Point(216, 471);
			this.OKButton.Name = "OKButton";
			this.OKButton.Size = new System.Drawing.Size(80, 24);
			this.OKButton.TabIndex = 1;
			this.OKButton.Text = "OK";
			this.OKButton.Click += new System.EventHandler(this.OKButton_Click);
			// 
			// CancelButton
			// 
			this.CancelButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.CancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.CancelButton.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.CancelButton.Location = new System.Drawing.Point(320, 471);
			this.CancelButton.Name = "CancelButton";
			this.CancelButton.Size = new System.Drawing.Size(80, 24);
			this.CancelButton.TabIndex = 2;
			this.CancelButton.Text = "Cancel";
			this.CancelButton.Click += new System.EventHandler(this.CancelButton_Click);
			// 
			// BrowseResource
			// 
			this.AcceptButton = this.OKButton;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(640, 509);
			this.Controls.Add(this.CancelButton);
			this.Controls.Add(this.OKButton);
			this.Controls.Add(this.panel1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Name = "BrowseResource";
			this.Text = "Open resource";
			this.Load += new System.EventHandler(this.BrowseResource_Load);
			this.panel1.ResumeLayout(false);
			this.panel3.ResumeLayout(false);
			this.panel5.ResumeLayout(false);
			this.panel4.ResumeLayout(false);
			this.panel2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void BrowseResource_Load(object sender, System.EventArgs e)
		{
			LoadTreeList();
			ResourceType.SelectedIndex = 0;

			if (m_selectedResource != null)
			{

				TreeNodeCollection basis = FolderView.Nodes[0].Nodes;
				TreeNode best = null;
				string path = m_selectedResource;
				if (path.StartsWith("Library://"))
					path = path.Substring("Library://".Length);
				string[] items = path.Split('/');
				foreach(string s in items)
				{
					bool found = false;
					foreach(TreeNode n in basis)
						if (n.Text == s)
						{
							best = n;
							n.Expand();
							basis = n.Nodes;
							found = true;
							break;
						}
					if (!found)
						break;
				}

				if (best != null)
					FolderView.SelectedNode = best;
			}
			m_selectedResource = null;

		}

		private void LoadTreeList()
		{
			string selectedNode = "";
			if (FolderView.SelectedNode != null)
				selectedNode = FolderView.SelectedNode.FullPath;

			FolderView.Nodes.Clear();
			TreeNode rootnode = new TreeNode(m_connection.DisplayName, m_ownerform.ResourceEditorMap.ServerIcon, m_ownerform.ResourceEditorMap.ServerIcon);
			rootnode.Expand();
			FolderView.Nodes.Add(rootnode);


			if (m_ownerform.ResourceFolders == null || m_ownerform.ResourceFolders == null)
				m_ownerform.RebuildDocumentTree();

			foreach(OSGeo.MapGuide.MaestroAPI.ResourceListResourceFolder folder in m_ownerform.ResourceFolders.Values)
			{
				//Skip the root folder
				if (folder.ResourceId == "Library://")
					continue;

				TreeNode n = new TreeNode();
				n.Text = m_ownerform.ResourceEditorMap.GetResourceNameFromResourceID(folder.ResourceId);
				n.Tag = folder;
				n.ImageIndex = n.SelectedImageIndex = m_ownerform.ResourceEditorMap.FolderIcon;
				string foldersearchpath = folder.ResourceId.Substring("Library://".Length).Replace("/", FolderView.PathSeparator);
				foldersearchpath = m_connection.DisplayName + FolderView.PathSeparator + foldersearchpath.Substring(0, foldersearchpath.Length - 1);
				TreeNode nx = TreeViewUtil.FindItem(FolderView, foldersearchpath);
				if (nx != null)
					nx.Nodes.Add(n);
				else
					rootnode.Nodes.Add(n);
			}

			TreeNode node = TreeViewUtil.FindItemExact(FolderView, selectedNode);
			if (node != null)
				FolderView.SelectedNode = node;

			rootnode.Expand();
		}

		private void UpdateDocumentList()
		{
			TreeNode node = FolderView.SelectedNode;

			string startPath = "Library://";
			int lastidx = startPath.Length - 1;

			if (node != null && node.Parent != null)
			{
				startPath += node.FullPath.Substring(m_connection.DisplayName.Length + FolderView.PathSeparator.Length).Replace(FolderView.PathSeparator, "/");
				lastidx = startPath.Length;
			}



			try
			{
				ItemView.BeginUpdate();
				ItemView.Items.Clear();
				foreach(OSGeo.MapGuide.MaestroAPI.ResourceListResourceDocument document in m_ownerform.ResourceDocuments.Values)
				{	
					if (m_ownerform.ResourceEditorMap.GetResourceTypeNameFromResourceID(document.ResourceId) == m_validTypes[ResourceType.SelectedIndex])
						if (document.ResourceId.StartsWith(startPath) && document.ResourceId.LastIndexOf("/") == lastidx )
						{
							ListViewItem l = new ListViewItem();
							l.Text = m_ownerform.ResourceEditorMap.GetResourceNameFromResourceID(document.ResourceId);
							l.Tag = document;
							l.ImageIndex = m_ownerform.ResourceEditorMap.GetImageIndexFromResourceID(document.ResourceId);
							ItemView.Items.Add(l);
						}
				}
			}
			finally
			{
				ItemView.EndUpdate();
			}
		}

		private void OKButton_Click(object sender, System.EventArgs e)
		{
			string fullpath = ResourceName.Text;
			int imageindex = m_ownerform.ResourceEditorMap.GetImageIndexFromResourceID(ResourceName.Text);
			string itemType = m_ownerform.ResourceEditorMap.GetResourceTypeNameFromResourceID(ResourceName.Text);

			if (imageindex == m_ownerform.ResourceEditorMap.BlankIcon || imageindex == m_ownerform.ResourceEditorMap.FolderIcon)
			{
				itemType = m_validTypes[ResourceType.SelectedIndex];
				fullpath += "." + itemType;
			}

			bool valid = false;
			foreach(string icon in m_validTypes)
				if (itemType == icon)
				{
					valid = true;
					break;
				}

			if (!valid)
			{
				MessageBox.Show(this, m_globalizor.Translate("The resource entered does not have a valid type"), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
				return;
			}


			if (!ResourceName.Text.ToLower().StartsWith("library://"))
			{
				TreeNode node = FolderView.SelectedNode;
				string startPath = "Library://";
				if (node != null)
					startPath += node.FullPath.Substring(m_connection.DisplayName.Length + FolderView.PathSeparator.Length).Replace(FolderView.PathSeparator, "/");

				if (!startPath.EndsWith("/"))
					startPath += "/";

				if (fullpath.StartsWith("/"))
					fullpath = "Library:/" + fullpath;
				else
					fullpath = startPath + fullpath;
			}

			imageindex = m_ownerform.ResourceEditorMap.GetImageIndexFromResourceID(fullpath);

			//The sorted list is a bit lame, because it contains the items prefixed with their sort order digit
			//Also the sort order only works when there are no more than 10 resource types...
			if (m_ownerform.ResourceDocuments.ContainsKey(imageindex.ToString() + "-" + fullpath))
			{
				if (!m_openMode)
					if (MessageBox.Show(this, m_globalizor.Translate("Overwrite existing resource?"), Application.ProductName, MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) != DialogResult.Yes)
						return;

				m_selectedResource = fullpath;
				this.DialogResult = DialogResult.OK;
				this.Close();
				return;
			}

			if (m_openMode)
				MessageBox.Show(this, m_globalizor.Translate("The resource entered does not exist."), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
			else
			{
				//Make sure the folder exists
				foreach(string s in m_ownerform.ResourceFolders.Keys)
					if (fullpath.ToLower().StartsWith(s.ToLower()) && fullpath.LastIndexOf("/") == s.Length - 1)
					{
						m_selectedResource = fullpath;
						this.DialogResult = DialogResult.OK;
						this.Close();
						return;
					}
			
				MessageBox.Show(this, m_globalizor.Translate("The resource cannot be saved because the folder entered does not exist"), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
			}
		}

		private void FolderView_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
		{
			UpdateDocumentList();
		}

		private void CancelButton_Click(object sender, System.EventArgs e)
		{
			m_selectedResource = null;
			this.DialogResult = DialogResult.Cancel;
			this.Close();
		}

		private void ItemView_Click(object sender, System.EventArgs e)
		{
			if (ItemView.SelectedItems.Count == 1)
				ResourceName.Text = ((OSGeo.MapGuide.MaestroAPI.ResourceListResourceDocument)ItemView.SelectedItems[0].Tag).ResourceId;
		}

		private void ItemView_DoubleClick(object sender, System.EventArgs e)
		{
			OKButton.PerformClick();
		}

		private void ResourceType_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			UpdateDocumentList();
		}

		public string SelectedResource
		{
			get { return m_selectedResource; }
			set { m_selectedResource = value; }
		}
	}
}