#region Disclaimer / License
// Copyright (C) 2009, 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.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace OSGeo.MapGuide.MgCooker
{
public partial class Progress : Form
{
private BatchSettings m_bx;
private List<TimeSpan> m_tileRuns;
private long m_tileCount;
private DateTime m_lastUpdate;
private DateTime m_beginTile;
private TimeSpan m_prevDuration;
private long m_totalTiles;
private bool m_cancel = false;
private long m_grandTotalTiles = 0;
private long m_grandTotalTileCount = 0;
private DateTime m_grandBegin;
private bool m_allowClose = true;
private long m_failCount = 0;
private Progress()
{
InitializeComponent();
}
public Progress(BatchSettings bx)
: this()
{
m_bx = bx;
bx.BeginRenderingMap += new ProgressCallback(bx_BeginRenderingMap);
bx.BeginRenderingGroup += new ProgressCallback(bx_BeginRenderingGroup);
bx.BeginRenderingScale += new ProgressCallback(bx_BeginRenderingScale);
bx.BeginRenderingTile += new ProgressCallback(bx_BeginRenderingTile);
bx.FinishRenderingTile += new ProgressCallback(bx_FinishRenderingTile);
bx.FinishRenderingMaps += new ProgressCallback(bx_FinishRenderingMaps);
bx.FailedRenderingTile += new ErrorCallback(bx_FailedRenderingTile);
m_tileRuns = new List<TimeSpan>();
m_grandTotalTiles = 0;
foreach (BatchMap bm in m_bx.Maps)
m_grandTotalTiles += bm.TotalTiles;
m_grandBegin = DateTime.Now;
}
void bx_FailedRenderingTile(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref Exception exception)
{
m_failCount++;
exception = null; //Eat it
}
private void DoClose()
{
m_allowClose = true;
if (m_cancel)
this.DialogResult = DialogResult.Cancel;
else
this.DialogResult = DialogResult.OK;
this.Close();
}
void bx_FinishRenderingMaps(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
if (this.InvokeRequired)
this.Invoke(new System.Threading.ThreadStart(DoClose));
else
DoClose();
}
void bx_FinishRenderingTile(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
m_tileRuns.Add(DateTime.Now - m_beginTile);
m_tileCount++;
m_grandTotalTileCount++;
//Update display, after 1000 tiles
if (m_tileRuns.Count > 500 || (DateTime.Now - m_lastUpdate).TotalSeconds > 5 || m_cancel)
{
long d = 0;
foreach (TimeSpan ts in m_tileRuns)
d += ts.Ticks;
d /= m_tileRuns.Count;
//For all other than the first calculation, we use the previous counts too
if (m_grandTotalTileCount != m_tileRuns.Count)
d = (d + m_prevDuration.Ticks) / 2;
m_prevDuration = new TimeSpan(d);
TimeSpan duration = new TimeSpan(d * m_totalTiles);
m_tileRuns.Clear();
m_lastUpdate = DateTime.Now;
DisplayProgress(map, group, scaleindex, row, column, ref cancel);
}
}
private delegate void DisplayProgressDelegate(BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel);
private void DisplayProgress(BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
if (m_cancel)
cancel = true;
if (this.InvokeRequired)
this.Invoke(new DisplayProgressDelegate(DisplayProgress), new object[] { map, group, scaleindex, row, column, cancel });
else
{
label1.Text = string.Format(Strings.Progress.CurrentGroupStatus, group, map.ResourceId);
tilePG.Value = (int)Math.Max(Math.Min((m_tileCount / (double)m_totalTiles) * (tilePG.Maximum - tilePG.Minimum), tilePG.Maximum), tilePG.Minimum);
totalPG.Value = (int)Math.Max(Math.Min((m_grandTotalTileCount / (double)m_grandTotalTiles) * (totalPG.Maximum - totalPG.Minimum), totalPG.Maximum), totalPG.Minimum);
if (m_failCount == 0)
tileCounter.Text = string.Format(Strings.Progress.CurrentTileCounter, m_grandTotalTileCount, m_grandTotalTiles, "");
else
tileCounter.Text = string.Format(Strings.Progress.CurrentTileCounter, m_grandTotalTileCount, m_grandTotalTiles, string.Format(Strings.Progress.TileErrorCount, m_failCount));
TimeSpan elapsed = DateTime.Now - m_grandBegin;
DateTime finish = DateTime.Now + (new TimeSpan(m_prevDuration.Ticks * m_grandTotalTiles) - elapsed);
TimeSpan remain = finish - DateTime.Now;
if (finish < DateTime.Now)
finishEstimate.Text = Strings.Progress.InsufficientTimePassed;
else
finishEstimate.Text = string.Format(Strings.Progress.RemainingTime, finish.ToShortTimeString(), string.Format("{0}:{1}:{2}", (int)Math.Floor(remain.TotalHours), remain.Minutes.ToString("00"), remain.Seconds.ToString("00")));
}
}
void bx_BeginRenderingTile(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
m_beginTile = DateTime.Now;
}
void bx_BeginRenderingScale(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
}
void bx_BeginRenderingGroup(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
m_totalTiles = map.TotalTiles;
m_tileCount = 0;
}
void bx_BeginRenderingMap(CallbackStates state, BatchMap map, string group, int scaleindex, int row, int column, ref bool cancel)
{
m_tileCount = 0;
}
private void BeginRendering()
{
m_bx.RenderAll();
}
private void Progress_Load(object sender, EventArgs e)
{
this.Show();
m_allowClose = false;
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(BeginRendering));
t.IsBackground = true;
t.Start();
}
private void button1_Click(object sender, EventArgs e)
{
if (this.m_cancel)
MessageBox.Show(this, Strings.Progress.AlreadyAborting, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
else
this.m_cancel = true;
}
private void Progress_FormClosing(object sender, FormClosingEventArgs e)
{
if (!m_allowClose)
{
button1_Click(sender, e);
e.Cancel = true;
}
}
private void PauseBtn_Click(object sender, EventArgs e)
{
m_bx.PauseEvent.Reset();
MessageBox.Show(this, Strings.Progress.PauseMessage, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
m_bx.PauseEvent.Set();
}
}
}