xenadmin/XenAdmin/Wizards/NewSRWizard_Pages/Frontends/CslgLocation.cs
Konstantina Chremmou 7a1b1a6dcc Since it is easy to forget calling the base class method at the end of the PageLeave
override in derived classes, enforce it by wrapping the page specific code in
a new virtual method, which the derived classes can override and PageLeave can
call before its own logic.

Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2018-03-09 11:22:26 +00:00

250 lines
9.7 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Controls;
using XenAdmin.Core;
using XenAdmin.Dialogs;
using XenAdmin.StorageLinkAPI;
using XenAPI;
using System.Drawing;
using XenAdmin.Properties;
namespace XenAdmin.Wizards.NewSRWizard_Pages.Frontends
{
public partial class CslgLocation : XenTabPage
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private const string TARGET = "target";
private const string USERNAME = "username";
private const string PASSWORD = "password";
private const string STORAGE_SYSTEM_ID = "storageSystemId";
public CslgLocation()
{
InitializeComponent();
}
#region Accessors
public StorageLinkAdapterBoston SelectedStorageAdapter { private get; set; }
public ReadOnlyCollection<CslgStoragePool> StoragePools { get; private set; }
public CslgSystemStorage SystemStorage { get { return comboBoxStorageSystemBoston.SelectedItem as CslgSystemStorage; } }
public StorageLinkCredentials StorageLinkCredentials
{
get
{
return new StorageLinkCredentials(Connection, textBoxTarget.Text, textBoxUsername.Text,
textBoxPassword.Text, textBoxPassword.Text);
}
}
public Dictionary<string, string> DeviceConfigParts
{
get
{
var dconf = new Dictionary<string, string>();
dconf[TARGET] = textBoxTarget.Text;
dconf[USERNAME] = textBoxUsername.Text;
dconf[PASSWORD] = textBoxPassword.Text;
dconf[STORAGE_SYSTEM_ID] = SystemStorage.StorageSystemId;
return dconf;
}
}
#endregion
#region XenTabPage overrides
protected override void PageLeaveCore(PageLoadedDirection direction, ref bool cancel)
{
if (direction == PageLoadedDirection.Forward)
cancel = !PerformStoragePoolScan();
}
public override string Text { get { return Messages.STORAGE_SYSTEM; } }
public override string PageTitle { get { return Messages.NEWSR_CSLG_PAGE_TITLE; } }
public override string HelpID { get { return "SL_SLServer_location"; } }
public override bool EnableNext()
{
return comboBoxStorageSystemBoston.SelectedIndex > 0;
}
public override void PopulatePage()
{
textBoxTarget.Text = textBoxUsername.Text = textBoxPassword.Text = string.Empty;
comboBoxStorageSystemBoston.Items.Clear();
UpdateStorageSystemControls();
}
#endregion
private bool PerformStoragePoolScan()
{
var credentials = StorageLinkCredentials;
var scanAction = new SrCslgStoragePoolScanAction(Connection, credentials.Host, credentials.Username, credentials.PasswordSecret,
SystemStorage.StorageSystemId, SelectedStorageAdapter.Id);
using (var dialog = new ActionProgressDialog(scanAction, ProgressBarStyle.Marquee))
dialog.ShowDialog(this);
if (scanAction.Succeeded)
StoragePools = scanAction.CslgStoragePools;
return scanAction.Succeeded;
}
private void UpdateStorageSystemControls()
{
buttonDiscoverBostonSS.Enabled = !string.IsNullOrEmpty(textBoxUsername.Text) && !string.IsNullOrEmpty(textBoxTarget.Text);
comboBoxStorageSystemBoston.Enabled = false;
comboBoxStorageSystemBoston.Items.Clear();
}
#region Event handlers
private void buttonDiscoverBostonSS_Click(object sender, EventArgs e)
{
SrCslgStorageSystemScanAction action = new SrCslgStorageSystemScanAction(Connection, SelectedStorageAdapter.Id, textBoxTarget.Text, textBoxUsername.Text, textBoxPassword.Text);
using (var dlg = new ActionProgressDialog(action, ProgressBarStyle.Marquee))
dlg.ShowDialog(this);
var items = new List<object>();
if (action.Succeeded)
{
var storages = action.CslgSystemStorages;
items.AddRange(Util.PopulateList<object>(storages));
items.Sort((x, y) => x.ToString().CompareTo(y.ToString()));
}
comboBoxStorageSystemBoston.Items.Clear();
if (items.Count > 0)
{
comboBoxStorageSystemBoston.Enabled = true;
comboBoxStorageSystemBoston.Items.Add(new NonSelectableComboBoxItem(string.Format(Messages.CSLG_STORAGELINK_SERVER, textBoxTarget.Text), true));
comboBoxStorageSystemBoston.Items.AddRange(items.ToArray());
// select the first selectable item
comboBoxStorageSystemBoston.SelectedItem = comboBoxStorageSystemBoston.Items[1];
}
else
comboBoxStorageSystemBoston.Enabled = false;
}
private void textBoxTarget_TextChanged(object sender, EventArgs e)
{
UpdateStorageSystemControls();
OnPageUpdated();
}
private void comboBoxStorageSystemBoston_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxStorageSystemBoston.SelectedIndex == 0)
comboBoxStorageSystemBoston.SelectedIndex = 1;
OnPageUpdated();
}
private void comboBoxStorageSystemBoston_DrawItem(object sender, DrawItemEventArgs e)
{
ComboBox comboBox = (ComboBox)sender;
if (e.Index > -1)
{
var item = comboBox.Items[e.Index];
var storageSystem = item as CslgSystemStorage;
var nonSelectable = item as NonSelectableComboBoxItem;
bool edit = (e.State & DrawItemState.ComboBoxEdit) != 0;
const int imageWidth = 16;
int indent = edit ? 0 : (imageWidth / 2);
e.DrawBackground();
var textRect = new Rectangle(e.Bounds.X + indent + imageWidth, e.Bounds.Y, e.Bounds.Width - imageWidth - indent, e.Bounds.Height);
if (storageSystem != null)
{
e.Graphics.DrawImageUnscaled(Resources.sl_system_16, new Point(e.Bounds.X + indent, e.Bounds.Y + 1));
Drawing.DrawText(e.Graphics, item.ToString(), e.Font, textRect, e.ForeColor, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
}
else if (nonSelectable != null)
{
// bold headings
Drawing.DrawText(e.Graphics, item.ToString(), new Font(e.Font, FontStyle.Bold), e.Bounds, e.ForeColor, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
}
else
{
// dell and netapp direction connection.
textRect = new Rectangle(e.Bounds.X + indent, e.Bounds.Y, e.Bounds.Width - indent, e.Bounds.Height);
Drawing.DrawText(e.Graphics, item.ToString(), e.Font, textRect, e.ForeColor, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
}
if ((e.State & DrawItemState.NoFocusRect) == 0)
{
e.DrawFocusRectangle();
}
}
}
#endregion
#region NonSelectableComboBoxItem class
private class NonSelectableComboBoxItem
{
public string Text { get; private set; }
public bool Bold { get; private set; }
public NonSelectableComboBoxItem(string text, bool bold)
{
Text = text;
Bold = bold;
}
public override string ToString()
{
return Text;
}
}
#endregion
}
}