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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,221 @@ | ||
| using System.Linq; | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Configuration; | ||
| using System.Windows.Forms; | ||
| using System.Collections.Specialized; | ||
| using System.Xml; | ||
| using System.IO; | ||
|
|
||
|
|
||
| namespace chc.servicemanagertray | ||
| { | ||
| public sealed class PortableSettingsProvider : SettingsProvider, IApplicationSettingsProvider | ||
| { | ||
| private const string _rootNodeName = "settings"; | ||
| private const string _localSettingsNodeName = "localSettings"; | ||
| private const string _globalSettingsNodeName = "globalSettings"; | ||
| private const string _className = "PortableSettingsProvider"; | ||
| private XmlDocument _xmlDocument; | ||
|
|
||
| private string _filePath | ||
| { | ||
| get | ||
| { | ||
| return Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), | ||
| string.Format("{0}.settings", ApplicationName)); | ||
| } | ||
| } | ||
|
|
||
| private XmlNode _localSettingsNode | ||
| { | ||
| get | ||
| { | ||
| XmlNode settingsNode = GetSettingsNode(_localSettingsNodeName); | ||
| XmlNode machineNode = settingsNode.SelectSingleNode(Environment.MachineName.ToLowerInvariant()); | ||
|
|
||
| if (machineNode == null) | ||
| { | ||
| machineNode = _rootDocument.CreateElement(Environment.MachineName.ToLowerInvariant()); | ||
| settingsNode.AppendChild(machineNode); | ||
| } | ||
|
|
||
| return machineNode; | ||
| } | ||
| } | ||
|
|
||
| private XmlNode _globalSettingsNode | ||
| { | ||
| get { return GetSettingsNode(_globalSettingsNodeName); } | ||
| } | ||
|
|
||
| private XmlNode _rootNode | ||
| { | ||
| get { return _rootDocument.SelectSingleNode(_rootNodeName); } | ||
| } | ||
|
|
||
| private XmlDocument _rootDocument | ||
| { | ||
| get | ||
| { | ||
| if (_xmlDocument == null) | ||
| { | ||
| try | ||
| { | ||
| _xmlDocument = new XmlDocument(); | ||
| _xmlDocument.Load(_filePath); | ||
| } | ||
| catch (Exception) | ||
| { | ||
|
|
||
| } | ||
|
|
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| if (_xmlDocument.SelectSingleNode(_rootNodeName) != null) | ||
| return _xmlDocument; | ||
|
|
||
| _xmlDocument = GetBlankXmlDocument(); | ||
| } | ||
|
|
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| return _xmlDocument; | ||
| } | ||
| } | ||
|
|
||
| public override string ApplicationName | ||
| { | ||
| get { return Path.GetFileNameWithoutExtension(Application.ExecutablePath); } | ||
| set { } | ||
| } | ||
|
|
||
| public override string Name | ||
| { | ||
| get { return _className; } | ||
| } | ||
|
|
||
| public override void Initialize(string name, NameValueCollection config) | ||
| { | ||
| base.Initialize(Name, config); | ||
| } | ||
|
|
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| public override void SetPropertyValues(SettingsContext context, SettingsPropertyValueCollection collection) | ||
| { | ||
| foreach (SettingsPropertyValue propertyValue in collection) | ||
| SetValue(propertyValue); | ||
|
|
||
| try | ||
| { | ||
| _rootDocument.Save(_filePath); | ||
| } | ||
| catch (Exception) | ||
| { | ||
| /* | ||
| * If this is a portable application and the device has been | ||
| * removed then this will fail, so don't do anything. It's | ||
| * probably better for the application to stop saving settings | ||
| * rather than just crashing outright. Probably. | ||
| */ | ||
| } | ||
| } | ||
|
|
||
| public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection) | ||
| { | ||
| SettingsPropertyValueCollection values = new SettingsPropertyValueCollection(); | ||
|
|
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| foreach (SettingsProperty property in collection) | ||
| { | ||
| values.Add(new SettingsPropertyValue(property) | ||
| { | ||
| SerializedValue = GetValue(property) | ||
| }); | ||
| } | ||
|
|
||
| return values; | ||
| } | ||
|
|
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| private void SetValue(SettingsPropertyValue propertyValue) | ||
| { | ||
| XmlNode targetNode = IsGlobal(propertyValue.Property) | ||
| ? _globalSettingsNode | ||
| : _localSettingsNode; | ||
|
|
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| XmlNode settingNode = targetNode.SelectSingleNode(string.Format("setting[@name='{0}']", propertyValue.Name)); | ||
|
|
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| if (settingNode != null) | ||
| settingNode.InnerText = propertyValue.SerializedValue.ToString(); | ||
| else | ||
| { | ||
| settingNode = _rootDocument.CreateElement("setting"); | ||
|
|
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| XmlAttribute nameAttribute = _rootDocument.CreateAttribute("name"); | ||
| nameAttribute.Value = propertyValue.Name; | ||
|
|
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| settingNode.Attributes.Append(nameAttribute); | ||
| settingNode.InnerText = propertyValue.SerializedValue.ToString(); | ||
|
|
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| targetNode.AppendChild(settingNode); | ||
| } | ||
| } | ||
|
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| private string GetValue(SettingsProperty property) | ||
| { | ||
| XmlNode targetNode = IsGlobal(property) ? _globalSettingsNode : _localSettingsNode; | ||
| XmlNode settingNode = targetNode.SelectSingleNode(string.Format("setting[@name='{0}']", property.Name)); | ||
|
|
||
| if (settingNode == null) | ||
| return property.DefaultValue != null ? property.DefaultValue.ToString() : string.Empty; | ||
|
|
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| return settingNode.InnerText; | ||
| } | ||
|
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| private bool IsGlobal(SettingsProperty property) | ||
| { | ||
| foreach (DictionaryEntry attribute in property.Attributes) | ||
| { | ||
| if ((Attribute)attribute.Value is SettingsManageabilityAttribute) | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
|
|
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| private XmlNode GetSettingsNode(string name) | ||
| { | ||
| XmlNode settingsNode = _rootNode.SelectSingleNode(name); | ||
|
|
||
| if (settingsNode == null) | ||
| { | ||
| settingsNode = _rootDocument.CreateElement(name); | ||
| _rootNode.AppendChild(settingsNode); | ||
| } | ||
|
|
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| return settingsNode; | ||
| } | ||
|
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| public XmlDocument GetBlankXmlDocument() | ||
| { | ||
| XmlDocument blankXmlDocument = new XmlDocument(); | ||
| blankXmlDocument.AppendChild(blankXmlDocument.CreateXmlDeclaration("1.0", "utf-8", string.Empty)); | ||
| blankXmlDocument.AppendChild(blankXmlDocument.CreateElement(_rootNodeName)); | ||
|
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| return blankXmlDocument; | ||
| } | ||
|
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| public void Reset(SettingsContext context) | ||
| { | ||
| _localSettingsNode.RemoveAll(); | ||
| _globalSettingsNode.RemoveAll(); | ||
|
|
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| _xmlDocument.Save(_filePath); | ||
| } | ||
|
|
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| public SettingsPropertyValue GetPreviousVersion(SettingsContext context, SettingsProperty property) | ||
| { | ||
| // do nothing | ||
| return new SettingsPropertyValue(property); | ||
| } | ||
|
|
||
| public void Upgrade(SettingsContext context, SettingsPropertyCollection properties) | ||
| { | ||
| } | ||
| } | ||
| } |
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