107 lines
3.9 KiB
C#
107 lines
3.9 KiB
C#
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using System;
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using System.Web.Script.Serialization;
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using umbraco.BusinessLogic;
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using umbraco.cms.businesslogic.datatype;
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namespace umbraco.editorControls
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{
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/// <summary>
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/// Abstract class for the PreValue Editor.
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/// Specifically designed to serialize/deserialize the options as JSON.
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/// </summary>
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public abstract class AbstractJsonPrevalueEditor : AbstractPrevalueEditor
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{
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/// <summary>
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/// The underlying base data-type.
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/// </summary>
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protected readonly umbraco.cms.businesslogic.datatype.BaseDataType m_DataType;
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/// <summary>
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/// An object to temporarily lock writing to the database.
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/// </summary>
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private static readonly object m_Locker = new object();
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/// <summary>
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/// Initializes a new instance of the <see cref="AbstractJsonPrevalueEditor"/> class.
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/// </summary>
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/// <param name="dataType">Type of the data.</param>
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public AbstractJsonPrevalueEditor(umbraco.cms.businesslogic.datatype.BaseDataType dataType)
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{
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this.m_DataType = dataType;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="AbstractJsonPrevalueEditor"/> class.
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/// </summary>
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/// <param name="dataType">Type of the data.</param>
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/// <param name="dbType">Type of the database field.</param>
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public AbstractJsonPrevalueEditor(umbraco.cms.businesslogic.datatype.BaseDataType dataType, umbraco.cms.businesslogic.datatype.DBTypes dbType)
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: base()
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{
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this.m_DataType = dataType;
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this.m_DataType.DBType = dbType;
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}
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/// <summary>
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/// Gets the PreValue options for the data-type.
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/// </summary>
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/// <typeparam name="T">The type of the resulting object.</typeparam>
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/// <returns>
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/// Returns the options for the PreValue Editor
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/// </returns>
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public T GetPreValueOptions<T>()
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{
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var prevalues = PreValues.GetPreValues(this.m_DataType.DataTypeDefinitionId);
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if (prevalues.Count > 0)
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{
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var prevalue = (PreValue)prevalues[0];
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if (!string.IsNullOrEmpty(prevalue.Value))
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{
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try
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{
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// deserialize the options
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var serializer = new JavaScriptSerializer();
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// return the options
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return serializer.Deserialize<T>(prevalue.Value);
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}
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catch (Exception ex)
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{
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Log.Add(LogTypes.Error, this.m_DataType.DataTypeDefinitionId, string.Concat("umbraco.editorControls: Execption thrown: ", ex));
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}
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}
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}
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// if all else fails, return default options
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return default(T);
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}
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/// <summary>
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/// Saves the data-type PreValue options.
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/// </summary>
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public void SaveAsJson(object options)
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{
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// serialize the options into JSON
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var serializer = new JavaScriptSerializer();
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var json = serializer.Serialize(options);
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lock (m_Locker)
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{
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var prevalues = PreValues.GetPreValues(this.m_DataType.DataTypeDefinitionId);
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if (prevalues.Count > 0)
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{
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var prevalue = (PreValue)prevalues[0];
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// update
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prevalue.Value = json;
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prevalue.Save();
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}
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else
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{
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// insert
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PreValue.MakeNew(this.m_DataType.DataTypeDefinitionId, json);
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}
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}
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}
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}
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}
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